{"id":5797,"date":"2022-12-17T13:33:04","date_gmt":"2022-12-17T13:33:04","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5797"},"modified":"2024-12-18T01:41:37","modified_gmt":"2024-12-18T01:41:37","slug":"effect-of-uv-monomer-on-uv-curable-oxygen-blocking","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/pt\/effect-of-uv-monomer-on-uv-curable-oxygen-blocking\/","title":{"rendered":"Qual \u00e9 o efeito do mon\u00f4mero UV no bloqueio de oxig\u00eanio cur\u00e1vel por UV?"},"content":{"rendered":"<h1><strong>Qual \u00e9 o efeito do mon\u00f4mero UV no bloqueio de oxig\u00eanio cur\u00e1vel por UV?<\/strong><\/h1>\n<p>1.2 Prepara\u00e7\u00e3o e teste de amostras<br \/>\nO mon\u00f4mero e o iniciador foram pesados com precis\u00e3o, quando o mon\u00f4mero n\u00e3o foi purificado, e misturados uniformemente com um agitador magn\u00e9tico. A UV-DSC foi usada para realizar experimentos de cura por UV sob atmosfera de ar est\u00e1tico e atmosfera de nitrog\u00eanio, e as amostras foram coletadas em quantidades iguais a cada vez, de modo que a espessura das amostras no cadinho fosse a mesma. O programa UV-DSC foi configurado para manter a temperatura da amostra constante por 2 minutos e, em seguida, a fonte de luz foi ligada automaticamente pelo programa, e a luz UV (faixa de comprimento de onda de 325 a 400 nm) foi introduzida na c\u00e9lula DSC pela fibra de vidro para iluminar o cadinho da amostra e o cadinho de refer\u00eancia, e o DSC mediu o valor do fluxo de calor do processo de fotopolimeriza\u00e7\u00e3o da amostra. A intensidade da luz foi medida como 48,27 mW-cm-2. A intensidade da luz foi determinada espalhando-se negro de fumo no fundo do cadinho de amostra, e a energia absorvida pela luz foi medida pelo UV-DSC e dividida pela \u00e1rea do fundo do cadinho para obter a intensidade da luz.<\/p>\n<h2><strong>2 Resultados e discuss\u00e3o<\/strong><\/h2>\n<h2><strong>2.1 Processamento de dados<\/strong><\/h2>\n<p>A taxa de fotopolimeriza\u00e7\u00e3o foi calculada como<\/p>\n<p>A taxa de fotopolimeriza\u00e7\u00e3o R=dC\/dt=(dH\/dt)\/Hmax, em que dH\/dt \u00e9 o valor do fluxo de calor na curva de entalpia versus tempo do processo de fotopolimeriza\u00e7\u00e3o medido por UV-DSC; Hmax \u00e9 o calor total de polimeriza\u00e7\u00e3o da amostra em 200 s de exposi\u00e7\u00e3o \u00e0 luz, obtido pela integra\u00e7\u00e3o do pico exot\u00e9rmico da fotopolimeriza\u00e7\u00e3o. O tempo correspondente \u00e0 taxa m\u00e1xima de cura do processo de cura por luz \u00e9 tmax. A polimeriza\u00e7\u00e3o de radicais livres ocorrer\u00e1 automaticamente em um fen\u00f4meno acelerado, a curva da taxa de cura por luz para a derivada de tempo, o valor m\u00e1ximo da curva correspondente ao tempo registrado como tamax, esse tempo pode ser considerado o tempo de crescimento mais r\u00e1pido da taxa de cura por luz, nesse momento o bloqueio de oxig\u00eanio do sistema e o efeito de gaiola e outros fatores no consumo de radicais prim\u00e1rios s\u00e3o m\u00ednimos. O mon\u00f4mero iniciador de radical livre come\u00e7a a se polimerizar rapidamente.<\/p>\n<p>C\u00e1lculo do conte\u00fado do iniciador (fra\u00e7\u00e3o molar) \u03b1 na amostra:<\/p>\n<p>&nbsp;<\/p>\n<p>Em que n iniciador \u00e9 a quantidade molar de iniciador no sistema, f \u00e9 o grau funcional do mon\u00f4mero e n mon\u00f4mero \u00e9 a quantidade molar de mon\u00f4mero no sistema. A Figura 1 mostra a estrutura molecular do iniciador Irgacure-184, que \u00e9 do tipo clivagem, e o \"2\" na f\u00f3rmula (1) significa que uma mol\u00e9cula do iniciador pode, teoricamente, ser decomposta em duas mol\u00e9culas de radicais pela exposi\u00e7\u00e3o \u00e0 luz.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-5798\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/12\/The-structural-formula-of-Irgacure-184.jpg\" alt=\"\" width=\"174\" height=\"94\" \/><\/p>\n<p>A f\u00f3rmula estrutural do Irgacure-184<\/p>\n<p>&nbsp;<\/p>\n<p>A Figura 2 mostra as curvas de taxa de cura por luz de diferentes mon\u00f4meros com teor de iniciador 4% (fra\u00e7\u00e3o de massa). Como pode ser visto na figura, para diferentes mon\u00f4meros, h\u00e1 diferen\u00e7as na taxa de cura no per\u00edodo de pr\u00e9-cura, e essa diferen\u00e7a tamb\u00e9m \u00e9 expressa em tempo, o que indica que a cura UV de diferentes mon\u00f4meros apresenta diferen\u00e7as de velocidade no tempo. O tempo tamax, quando a taxa de cura por luz do mon\u00f4mero cresce mais rapidamente, e o tempo tmax, correspondente \u00e0 taxa m\u00e1xima de cura por luz, s\u00e3o comparados com a curva de varia\u00e7\u00e3o do conte\u00fado do iniciador, e os resultados s\u00e3o mostrados na Figura 3.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-5799\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/12\/UV-curing-rate-curves-of-different-monomers-with-4-initiator.jpg\" alt=\"\" width=\"431\" height=\"327\" \/><\/p>\n<p>Curvas de taxa de cura por UV de diferentes mon\u00f4meros com o iniciador 4%<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-medium wp-image-5800\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/12\/The-relationship-of-tamax-and-tmax-with-initiator-contents-in-curing-process-in-air-of-different-monomers-650x333.jpg\" alt=\"\" width=\"650\" height=\"333\" \/><\/p>\n<p>A rela\u00e7\u00e3o de\u00a0<i>t<\/i><sub>m\u00e1ximo\u00a0<\/sub>e\u00a0<i>t<\/i><sub>m\u00e1ximo<\/sub>\u00a0com teores de iniciadores no processo de cura ao ar de diferentes mon\u00f4meros<\/p>\n<p>A Figura 3 mostra as curvas de tmax e tamax para a cura por luz de diferentes mon\u00f4meros ao ar como uma fun\u00e7\u00e3o do teor de iniciador \u03b1 na amostra. No est\u00e1gio inicial da cura, quando o oxig\u00eanio est\u00e1 presente, parte dos radicais reativos gerados pelo fotoiniciador devido \u00e0 luz \u00e9 consumida pelo oxig\u00eanio dissolvido na amostra, e a outra parte inicia a polimeriza\u00e7\u00e3o do mon\u00f4mero. O efeito de bloqueio do oxig\u00eanio consome os radicais gerados pela decomposi\u00e7\u00e3o do iniciador e dos radicais do mon\u00f4mero, afetando assim a magnitude do tamax e do tmax da fotopolimeriza\u00e7\u00e3o, o que, por sua vez, reflete a sensibilidade da fotopolimeriza\u00e7\u00e3o ao oxig\u00eanio e ao teor de iniciador. Conforme observado na Fig. 3a, o tamax da fotopolimeriza\u00e7\u00e3o de cada mon\u00f4mero diminui com o aumento do teor de iniciador em um determinado padr\u00e3o. Na Fig. 3b, o tmax da fotopolimeriza\u00e7\u00e3o de cada mon\u00f4mero mostra uma certa flutua\u00e7\u00e3o com o aumento do teor de iniciador. Isso ocorre porque, quando a taxa de rea\u00e7\u00e3o de cura atinge o m\u00e1ximo, o sistema atinge um alto grau de cura e os segmentos da cadeia molecular s\u00e3o gradualmente congelados devido ao efeito v\u00edtreo, e a sensibilidade do tmax da rea\u00e7\u00e3o de fotopolimeriza\u00e7\u00e3o ao teor de iniciador \u00e9 reduzida nesse momento. Enquanto o tamax, no est\u00e1gio inicial da fotopolimeriza\u00e7\u00e3o, quando o sistema n\u00e3o apresenta alto grau de polimeriza\u00e7\u00e3o, a rea\u00e7\u00e3o de fotopolimeriza\u00e7\u00e3o \u00e9 mais sens\u00edvel ao conte\u00fado do iniciador no sistema. Portanto, em compara\u00e7\u00e3o, o tamax reflete melhor a sensibilidade da fotopolimeriza\u00e7\u00e3o ao teor de iniciador.<\/p>\n<h3><strong>2.2 Efeito da atmosfera no tamax de fotopolimeriza\u00e7\u00e3o de diferentes mon\u00f4meros<\/strong><\/h3>\n<p>Na atmosfera de ar, o tamax do material fotocurado deve ser diferente em compara\u00e7\u00e3o com o da atmosfera de nitrog\u00eanio devido ao efeito do bloqueio de oxig\u00eanio. Foram realizados testes de UV-DSC no mon\u00f4mero TMPTA em atmosfera de ar e nitrog\u00eanio quando foi adicionado um teor menor de iniciador, e os resultados est\u00e3o listados na Tabela 1.<\/p>\n<table width=\"459\">\n<tbody>\n<tr>\n<td width=\"315\">tamaxtamax de cura UV de TMPTA com baixo teor de iniciador no ar ou N2<\/td>\n<td width=\"72\"><\/td>\n<td width=\"72\"><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\" width=\"315\">Conte\u00fado do iniciador na amostra\/%<\/td>\n<td colspan=\"2\" width=\"144\">tamax\/s<\/td>\n<\/tr>\n<tr>\n<td width=\"72\">ar<\/td>\n<td width=\"72\">N2<\/td>\n<\/tr>\n<tr>\n<td width=\"315\">0.48<\/td>\n<td width=\"72\">2.65<\/td>\n<td width=\"72\">2.18<\/td>\n<\/tr>\n<tr>\n<td width=\"315\">0.96<\/td>\n<td width=\"72\">2.12<\/td>\n<td width=\"72\">1.92<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><i>t<\/i><sub>m\u00e1ximo<\/sub>\u00a0de cura UV do TMPTA com baixo teor de iniciador no ar ou em N<sub>2<\/sub><\/p>\n<p>A Tabela 1 mostra a compara\u00e7\u00e3o do tamax do TMPTA fotocurado ao ar e ao nitrog\u00eanio, respectivamente, com a adi\u00e7\u00e3o de n\u00edveis mais baixos de iniciador. Na tabela acima, pode-se observar que o tamax da fotopolimeriza\u00e7\u00e3o ao ar \u00e9 maior do que ao nitrog\u00eanio quando o teor de iniciador \u00e9 igual, indicando que a fotopolimeriza\u00e7\u00e3o ao ar \u00e9 afetada pelo bloqueio de oxig\u00eanio. Em geral, acredita-se que o oxig\u00eanio dissolvido na mat\u00e9ria-prima e na superf\u00edcie sofre as seguintes rea\u00e7\u00f5es durante o processo de fotopolimeriza\u00e7\u00e3o.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-5801\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/12\/1.jpg\" alt=\"\" width=\"238\" height=\"109\" \/><\/p>\n<p>Os radicais de per\u00f3xido gerados ROO- s\u00e3o muito est\u00e1veis e n\u00e3o t\u00eam capacidade de iniciar rea\u00e7\u00f5es de polimeriza\u00e7\u00e3o. O oxig\u00eanio n\u00e3o apenas elimina os radicais gerados pelo iniciador durante o processo de fotopolimeriza\u00e7\u00e3o, mas tamb\u00e9m termina os radicais do mon\u00f4mero.<\/p>\n<p>A sensibilidade da fotocura \u00e0 polimeriza\u00e7\u00e3o de bloqueio de oxig\u00eanio varia para diferentes mon\u00f4meros e est\u00e1 relacionada a fatores como funcionalidades do mon\u00f4mero, atividade de liga\u00e7\u00e3o dupla e estrutura [13]. Para investigar o efeito da estrutura do mon\u00f4mero na agrega\u00e7\u00e3o de bloqueio de oxig\u00eanio, dois TMPTAs EO-ized diferentes foram selecionados para experimentos de UV-DSC em condi\u00e7\u00f5es de ar e nitrog\u00eanio, respectivamente. Todos esses mon\u00f4meros hom\u00f3logos t\u00eam estruturas semelhantes, exceto pelo n\u00famero de grupos EO, o que evita complicar o problema escolhendo alguns outros mon\u00f4meros com estruturas muito diferentes [13].<\/p>\n<p>A Figura 4 mostra a varia\u00e7\u00e3o do tamax com o teor de iniciador dentro da amostra para a fotopolimeriza\u00e7\u00e3o de mon\u00f4meros TMPTA com diferentes EOiza\u00e7\u00f5es sob ar e nitrog\u00eanio. Conforme observado na figura, o tamax de cada mon\u00f4mero fotopolimerizado com ar e nitrog\u00eanio diminui com o aumento do teor de iniciador. A varia\u00e7\u00e3o do tamax fotopolimerizado de cada mon\u00f4mero sob ar e nitrog\u00eanio varia com a quantidade de EO no mon\u00f4mero. Isso mostra que a quantidade de EO no mon\u00f4mero tem um efeito sobre o tamax da cura por luz. Para o mesmo mon\u00f4mero, a diferen\u00e7a no tamax de cura por luz sob ar e nitrog\u00eanio est\u00e1 relacionada \u00e0 barreira de oxig\u00eanio quando as outras condi\u00e7\u00f5es s\u00e3o as mesmas.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-medium wp-image-5802\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/12\/The-relationship-of-tamax-with-initiator-contents-in-curing-process-of-different-ethoxylated-TMPTA-650x329.jpg\" alt=\"\" width=\"650\" height=\"329\" \/><\/p>\n<p>A Figura 5 mostra as curvas da propor\u00e7\u00e3o de tamax de cada mon\u00f4mero fotocurado sob diferentes atmosferas com a varia\u00e7\u00e3o do teor de iniciador \u03b1. tamax(ar)\/tamax(N2) indica a diferen\u00e7a de tamax do mon\u00f4mero fotocurado sob ar e nitrog\u00eanio, refletindo assim a magnitude do bloqueio de oxig\u00eanio de cada mon\u00f4mero fotocurado; quanto maior o valor, maior o efeito de bloqueio de oxig\u00eanio. Conforme observado na Figura 5, as propor\u00e7\u00f5es tamax(ar)\/tamax(N2) do mon\u00f4mero TMPTA e do mon\u00f4mero 3EOTMPTA foram maiores quando o teor de iniciador era pequeno e diminu\u00edram com o aumento do teor de iniciador. Isso indica que o TMPTA monom\u00e9rico e o 3EOTMPTA monom\u00e9rico est\u00e3o sujeitos a um efeito de bloqueio de oxig\u00eanio mais significativo quando o teor de iniciador \u00e9 pequeno. Quando a quantidade de EO no mon\u00f4mero chega a 15, a rela\u00e7\u00e3o tamax(ar)\/tamax(N2) do mon\u00f4mero fica pr\u00f3xima de 1, ou seja, h\u00e1 pouca diferen\u00e7a na rela\u00e7\u00e3o tamax(ar)\/tamax(N2) do mon\u00f4mero, h\u00e1 pouca diferen\u00e7a no tamax da cura por luz sob condi\u00e7\u00f5es de ar ou nitrog\u00eanio, o que indica que o aumento da quantidade de EO no mon\u00f4mero \u00e9 ben\u00e9fico para reduzir a polimeriza\u00e7\u00e3o de bloqueio de oxig\u00eanio da cura por UV, que pode estar relacionada ao hidrog\u00eanio ativo na estrutura do EO. A estrutura semelhante ao \u00e9ter na por\u00e7\u00e3o do EO O \u03b1-H no -O-CH2- \u00e9 facilmente substitu\u00eddo por oxig\u00eanio e ocorrem as seguintes rea\u00e7\u00f5es.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-5803\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/12\/2.jpg\" alt=\"\" width=\"436\" height=\"98\" \/><\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-5804\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/12\/The-relationship-of-tamaxair-tamaxN2-with-initator-contents-in-curing-process-of-different-ethoxylated-TMPTA.jpg\" alt=\"\" width=\"406\" height=\"325\" \/><\/p>\n<p>A rela\u00e7\u00e3o de\u00a0<i>t<\/i><sub>m\u00e1ximo<\/sub>(ar)\/<i>t<\/i><sub>m\u00e1ximo<\/sub>(N<sub>2<\/sub>) com teores de iniciadores no processo de cura de diferentes TMPTA etoxilados.<\/p>\n<p>O \u03b1-H, por um lado, pode consumir parte do oxig\u00eanio no sistema e, por outro lado, pode terminar o radical de per\u00f3xido ROO- gerado pelo radical e pelo oxig\u00eanio, reduzindo assim o consumo de radicais reativos e redirecionando a atividade de inicia\u00e7\u00e3o para o segmento da cadeia com atividade de inicia\u00e7\u00e3o, reduzindo assim o bloqueio de oxig\u00eanio do processo de fotopolimeriza\u00e7\u00e3o.<\/p>\n<h3><strong>2.3 Influ\u00eancia da quantidade de \u03b1-H nos mon\u00f4meros sobre a agrega\u00e7\u00e3o de bloqueio de oxig\u00eanio na fotopolimeriza\u00e7\u00e3o<\/strong><\/h3>\n<p>Para investigar a rela\u00e7\u00e3o entre o bloqueio de oxig\u00eanio e a quantidade de \u03b1-H nos grupos monom\u00e9ricos de EO, as curvas tamax-\u03b1 na Figura 4 foram ajustadas linearmente a diferentes equa\u00e7\u00f5es, e verificou-se que o maior coeficiente de correla\u00e7\u00e3o foi obtido pelo ajuste linear da equa\u00e7\u00e3o lnt=a+b\/\u03b10,5. As inclina\u00e7\u00f5es b obtidas dos ajustes e os coeficientes de correla\u00e7\u00e3o R est\u00e3o listados na Tabela 2.<\/p>\n<table width=\"360\">\n<tbody>\n<tr>\n<td width=\"72\">O valor de b e R por ajuste linear 1\/\u03b10,5 e lnt<\/td>\n<td width=\"72\"><\/td>\n<td width=\"72\"><\/td>\n<td width=\"72\"><\/td>\n<td width=\"72\"><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\" width=\"72\">Mon\u00f4mero<\/td>\n<td colspan=\"2\" width=\"144\">ar<\/td>\n<td colspan=\"2\" width=\"144\">N2<\/td>\n<\/tr>\n<tr>\n<td width=\"72\">b<\/td>\n<td width=\"72\">R<\/td>\n<td width=\"72\">b<\/td>\n<td width=\"72\">R<\/td>\n<\/tr>\n<tr>\n<td width=\"72\">TMPTA<\/td>\n<td width=\"72\">0.056<\/td>\n<td width=\"72\">0.99894<\/td>\n<td width=\"72\">0.0213<\/td>\n<td width=\"72\">0.95494<\/td>\n<\/tr>\n<tr>\n<td width=\"72\">EO3TMPTA<\/td>\n<td width=\"72\">0.0554<\/td>\n<td width=\"72\">0.95877<\/td>\n<td width=\"72\">0.0257<\/td>\n<td width=\"72\">0.98564<\/td>\n<\/tr>\n<tr>\n<td width=\"72\">15EOTMPTA<\/td>\n<td width=\"72\">0.0531<\/td>\n<td width=\"72\">0.96578<\/td>\n<td width=\"72\">0.062<\/td>\n<td width=\"72\">0.98944<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Comparando os valores de \u03bc correspondentes a diferentes mon\u00f4meros na Figura 6, \u03bc tem um valor m\u00e1ximo quando o mon\u00f4mero \u00e9 TMPTA, ou seja, o efeito de bloqueio de oxig\u00eanio \u00e9 maior quando o mon\u00f4mero TMPTA \u00e9 curado por UV. \u00c0 medida que a quantidade de EO no mon\u00f4mero aumenta, a quantidade de \u03b1-H no mon\u00f4mero aumenta e o valor de \u03bc diminui, indicando que a barreira de oxig\u00eanio est\u00e1 relacionada \u00e0 quantidade de \u03b1-H no mon\u00f4mero, que ret\u00e9m os radicais de oxig\u00eanio e per\u00f3xido no sistema e alivia a barreira de oxig\u00eanio. A viscosidade \u00e9 uma propriedade relacionada \u00e0 estrutura molecular, que envolve as propriedades de fluxo do mon\u00f4mero, portanto, \u00e9 necess\u00e1rio discutir mais profundamente o efeito das propriedades de fluxo do mon\u00f4mero na polimeriza\u00e7\u00e3o com barreira de oxig\u00eanio.<\/p>\n<h3><strong>2.4 Influ\u00eancia das propriedades de fluxo dos mon\u00f4meros na agrega\u00e7\u00e3o da barreira de oxig\u00eanio<\/strong><\/h3>\n<p>As propriedades de fluxo do sistema est\u00e3o relacionadas \u00e0 estrutura da mol\u00e9cula. Em geral, quanto mais flex\u00edvel for a cadeia molecular, menor ser\u00e1 a barreira rotacional dentro da cadeia, mais curto ser\u00e1 o segmento da cadeia como uma unidade m\u00f3vel e quanto menor for a energia de ativa\u00e7\u00e3o da cadeia molecular flex\u00edvel, melhor ser\u00e1 a mobilidade. Quanto maior o peso molecular, maior a resist\u00eancia de atrito interno ao movimento molecular e menor a mobilidade [19]. Portanto, a introdu\u00e7\u00e3o de grupos EO no mon\u00f4mero TMPTA alterar\u00e1 as propriedades de fluxo do sistema. Usando um re\u00f4metro com uma taxa de cisalhamento constante de 19,1 \/min e uma taxa de aumento de temperatura de 2 \u00b0C\/min, as curvas de viscosidade de cada mon\u00f4mero foram medidas com a temperatura. As curvas de viscosidade-temperatura de cada mon\u00f4mero foram ajustadas \u00e0 equa\u00e7\u00e3o de Arrhenius, e a energia de ativa\u00e7\u00e3o de fluxo calculada E, o pr\u00e9-fator A e a viscosidade do mon\u00f4mero \u03b7 a 25 \u2103 foram listados na Tabela 3.<\/p>\n<table width=\"405\">\n<tbody>\n<tr>\n<td colspan=\"4\" width=\"405\">O valor da viscosidade \u03b7 (25 \u2103), a energia de ativa\u00e7\u00e3o de fluxo E e o fator pr\u00e9-exponencial A dos mon\u00f4meros<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">Mon\u00f4mero<\/td>\n<td width=\"72\">\u03b7\/Pa-s(25\u2103)<\/td>\n<td width=\"72\">A\/10-8<\/td>\n<td width=\"152\">E\/J<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">TMPTA<\/td>\n<td width=\"72\">0.01934<\/td>\n<td width=\"72\">15.53<\/td>\n<td width=\"152\">29079.88<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">3EOTMPTA<\/td>\n<td width=\"72\">0.06948<\/td>\n<td width=\"72\">2.65<\/td>\n<td width=\"152\">36600.47<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">15EOTMPTA<\/td>\n<td width=\"72\">0.18016<\/td>\n<td width=\"72\">6.28<\/td>\n<td width=\"152\">36821.87<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>Entre eles, a energia de ativa\u00e7\u00e3o do fluxo E est\u00e1 relacionada \u00e0 estrutura molecular e \u00e9 influenciada pela rigidez e flexibilidade da cadeia molecular, pelo tamanho e pela polaridade dos grupos laterais, etc. O fator de \u00edndice frontal A \u00e9 uma constante relacionada ao peso molecular. Para investigar a rela\u00e7\u00e3o entre as propriedades de fluxo dos mon\u00f4meros e a barreira de oxig\u00eanio, os valores de \u03bc de diferentes mon\u00f4meros foram correlacionados com as viscosidades correspondentes \u03b7, a energia de ativa\u00e7\u00e3o de fluxo E e o fator de frente de \u00edndice A, conforme mostrado na Figura 7.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-medium wp-image-5805\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/12\/3-650x433.jpg\" alt=\"\" width=\"650\" height=\"433\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/12\/3-650x433.jpg 650w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/12\/3-325x217.jpg 325w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/><\/p>\n<p>A Figura 7 representa a compara\u00e7\u00e3o dos valores de \u03bc de diferentes mon\u00f4meros em rela\u00e7\u00e3o \u00e0 energia de ativa\u00e7\u00e3o de fluxo E, ao fator de frente de dedo A e \u00e0 viscosidade \u03b7, respectivamente. Conforme observado na Fig. 7a, o valor de \u03bc tende a diminuir \u00e0 medida que o n\u00famero de EOs no mon\u00f4mero aumenta e a viscosidade do mon\u00f4mero aumenta. O tamanho da agrega\u00e7\u00e3o de bloqueio de oxig\u00eanio est\u00e1 intimamente relacionado \u00e0 concentra\u00e7\u00e3o de oxig\u00eanio, e quanto maior a concentra\u00e7\u00e3o de oxig\u00eanio, mais \u00f3bvio \u00e9 o bloqueio de oxig\u00eanio [7]. No interior do sistema de fotopolimeriza\u00e7\u00e3o, a quantidade de oxig\u00eanio dissolvido \u00e9 certa, e a taxa de extin\u00e7\u00e3o e elimina\u00e7\u00e3o de radicais livres pelo oxig\u00eanio no processo de fotopolimeriza\u00e7\u00e3o \u00e9 extremamente r\u00e1pida, e o oxig\u00eanio consumido \u00e9 reabastecido principalmente pela difus\u00e3o do oxig\u00eanio do ar para o interior do sistema continuamente, o que certamente envolver\u00e1 a capacidade de movimenta\u00e7\u00e3o do oxig\u00eanio no sistema, e a capacidade de movimenta\u00e7\u00e3o do oxig\u00eanio no sistema est\u00e1 relacionada \u00e0 viscosidade do sistema. Quando a viscosidade do sistema \u00e9 baixa, o oxig\u00eanio no ar \u00e9 mais f\u00e1cil de se difundir para o interior do sistema, mostrando um efeito de bloqueio de oxig\u00eanio maior, de modo que o valor \u03bc do mon\u00f4mero TMPTA \u00e9 maior e \u00e9 significativamente bloqueado pelo oxig\u00eanio. Quando a viscosidade do sistema aumenta, a capacidade de movimenta\u00e7\u00e3o do oxig\u00eanio no sistema diminui e \u00e9 tarde demais para repor o oxig\u00eanio consumido pela elimina\u00e7\u00e3o de radicais livres, e o bloqueio de oxig\u00eanio diminui. Como pode ser visto na figura, quando a quantidade de EO no mon\u00f4mero aumenta para 15, a viscosidade do mon\u00f4mero continua a aumentar e o valor de \u03bc tende a 1, ou seja, a diferen\u00e7a entre a fotopolimeriza\u00e7\u00e3o ao ar e ao nitrog\u00eanio n\u00e3o \u00e9 significativa.<br \/>\nEm seguida, compare a energia de ativa\u00e7\u00e3o de fluxo e o fator de frente de dedo do mon\u00f4mero com o valor \u03bc. Como visto na Figura 7b, a energia de ativa\u00e7\u00e3o do fluxo do mon\u00f4mero aumenta de TMPTA para 3EOTMPTA com a introdu\u00e7\u00e3o de grupos EO no mon\u00f4mero. Quando a quantidade de EO no mon\u00f4mero foi aumentada de 3 para 15, a energia de ativa\u00e7\u00e3o do fluxo permaneceu basicamente inalterada, o que indica que o aumento da quantidade de EO no mon\u00f4mero basicamente n\u00e3o tem efeito sobre a energia de ativa\u00e7\u00e3o do fluxo. Isso ocorre porque, embora o n\u00famero de EOs no mon\u00f4mero aumente, o n\u00famero de unidades cinem\u00e1ticas n\u00e3o muda, o que mostra que, para o mon\u00f4mero TMPTA EO-ized, o efeito da energia de ativa\u00e7\u00e3o do fluxo na barreira de oxig\u00eanio n\u00e3o \u00e9 significativo. Conforme observado na Fig. 7c, o prefator de dedo A muda muito de TMPTA para 3EOTMPTA, o que pode estar relacionado \u00e0 presen\u00e7a ou aus\u00eancia de grupos EO. Com o aumento do n\u00famero de EO no mon\u00f4mero, o prefator A aumenta, o que se deve ao aumento do n\u00famero de EO no mon\u00f4mero, levando ao aumento do peso molecular do mon\u00f4mero. Pode-se demonstrar que, para mon\u00f4meros de TMPTA EO-ized, o aumento no n\u00famero de EOs na mol\u00e9cula leva a um aumento no peso molecular, o que leva a um aumento na viscosidade do mon\u00f4mero e, portanto, reduz a barreira de oxig\u00eanio. No caso de materiais polim\u00e9ricos, a viscosidade do sistema geralmente pode ser aumentada com o aumento da rigidez da cadeia molecular, com o aumento da polaridade dos grupos laterais, com o aumento do peso molecular etc. Pode-se especular que os efeitos adversos do bloqueio de oxig\u00eanio da fotopolimeriza\u00e7\u00e3o podem ser reduzidos pela composi\u00e7\u00e3o adequada da formula\u00e7\u00e3o, como a introdu\u00e7\u00e3o de estruturas contendo hidrog\u00eanio ativo, o aumento da propor\u00e7\u00e3o de mol\u00e9culas r\u00edgidas e o aumento do peso molecular.<\/p>\n<h2><strong>3 Conclus\u00e3o<\/strong><\/h2>\n<p>(1) O aumento do n\u00famero de grupos EO na mol\u00e9cula do mon\u00f4mero pode reduzir a agrega\u00e7\u00e3o de bloqueio de oxig\u00eanio durante o processo de fotopolimeriza\u00e7\u00e3o. Isso est\u00e1 relacionado ao aprisionamento de radicais de oxig\u00eanio e per\u00f3xido pelo \u03b1-H nesse grupo e ao aumento da viscosidade do sistema.<\/p>\n<p>(2) Para v\u00e1rios TMPTAs com OE selecionados para este estudo, a energia de ativa\u00e7\u00e3o de fluxo do mon\u00f4mero tem pouco efeito sobre a agrega\u00e7\u00e3o de bloqueio de oxig\u00eanio. O aumento na quantidade de EO no mon\u00f4mero leva a um aumento em seu peso molecular, o que leva a um aumento na viscosidade do mon\u00f4mero, que, por sua vez, afeta a agrega\u00e7\u00e3o de barreira de oxig\u00eanio.<\/p>\n<p>&nbsp;<\/p>\n<h2><a href=\"https:\/\/longchangchemical.com\/pt\/product\/uv-functional-monomers\/\"><span style=\"color: #00ccff;\">Mon\u00f4mero UV<\/span><\/a><strong> Produtos da mesma s\u00e9rie<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<table style=\"border-collapse: collapse; width: 528.02pt;\" border=\"0\" width=\"704\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et5\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><strong>Poliol\/Polimercaptana<\/strong><\/td>\n<td class=\"et6\" style=\"width: 246.30pt;\" width=\"328\"><\/td>\n<td class=\"et6\" style=\"width: 90.55pt;\" width=\"120\"><\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/-bmes-cas-3570-55-6\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/cas-3570-55-6\/\"> Mon\u00f4mero DMES<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">Sulfeto de bis(2-mercaptoetil)<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">3570-55-6<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/-bmpt-cas-131538-00-6\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/cas-131538-00-6\/\"> Mon\u00f4mero DMPT<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">THIOCURE DMPT<\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\">131538-00-6<\/td>\n<\/tr>\n<tr style=\"height: 31.00pt;\">\n<td class=\"et7\" style=\"height: 31.00pt; width: 191.50pt;\" width=\"255\" height=\"41\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/-petmp-cas-7575-23-7\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/sinomer-petmp-cas-7575-23-7\/\"> Mon\u00f4mero de PETMP<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\"><\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">7575-23-7<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/-pm839-cas-72244-98-5\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/cas-72244-98-5\/\"> Mon\u00f4mero PM839<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">Polioxi(metil-1,2-etanodil)<\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\">72244-98-5<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et5\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><strong>Mon\u00f4mero monofuncional<\/strong><\/td>\n<td class=\"et10\" style=\"width: 246.30pt;\" width=\"328\"><\/td>\n<td class=\"et11\" style=\"width: 90.55pt;\" width=\"120\"><\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/-hema-cas-868-77-9\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/hema-monomer-cas-868-77-9\/\"> Mon\u00f4mero HEMA<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">Metacrilato de 2-hidroxietil<\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\">868-77-9<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/-hpma-cas-27813-02-1\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/hpma-monomer-cas-27813-02-1\/\"> Mon\u00f4mero HPMA<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">Metacrilato de 2-hidroxipropila<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">27813-02-1<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/-thfa-cas-2399-48-6\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/thfa-monomer-cas-2399-48-6\/\"> Mon\u00f4mero THFA<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">Acrilato de tetrahidrofurfurila<\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\">2399-48-6<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/hdcpa-monomer-cas-79637-74-4\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/hdcpa-monomer-cas-79637-74-4\/\"> Mon\u00f4mero HDCPA<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">Acrilato de diciclopentenila hidrogenado<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">79637-74-4<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/dcpma-monomer-cas-30798-39-1\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/dcpma-monomer-cas-30798-39-1\/\"> Mon\u00f4mero DCPMA<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">Metacrilato de di-hidrodiciclopentadienila<\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\">30798-39-1<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/dcpa-monomer-cas-12542-30-2\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/dcpa-monomer-cas-12542-30-2\/\"> Mon\u00f4mero DCPA<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">Acrilato de di-hidrodiciclopentadienila<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">12542-30-2<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/dcpema-monomer-cas-68586-19-6\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/dcpema-monomer-cas-68586-19-6\/\"> Mon\u00f4mero DCPEMA<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">Metacrilato de diciclopenteniloxietil<\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\">68586-19-6<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/-dcpeoa-cas-65983-31-5\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/dcpeoa-monomer-cas-65983-31-5\/\"> Mon\u00f4mero DCPEOA<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">Acrilato de diciclopenteniloxietil<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">65983-31-5<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/np-4ea-monomer-cas-50974-47-5\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/np-4ea-monomer-cas-50974-47-5\/\"> Mon\u00f4mero NP-4EA<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">(4) nonilfenol etoxilado<\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\">50974-47-5<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\">Mon\u00f4mero LA<\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">Acrilato de laurila \/ Acrilato de dodecila<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">2156-97-0<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/-thfma-monomer-cas-2455-24-5\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/thfma-monomer-cas-2455-24-5\/\"> Mon\u00f4mero THFMA<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">Metacrilato de tetrahidrofurfurila<\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\">2455-24-5<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/phea-monomer-cas-48145-04-6\/\"><span style=\"color: #00ccff;\"> Mon\u00f4mero de PHEA<\/span><\/a><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">ACRILATO DE 2-FENOXIETIL<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">48145-04-6<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/142-90-5\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/142-90-5\/\"> Mon\u00f4mero LMA<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">Metacrilato de lauril<\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\">142-90-5<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"https:\/\/longchangchemical.com\/pt\/product\/ida-monomer-cas-1330-61-6\/\"> Mon\u00f4mero IDA<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">Acrilato de isodecila<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">1330-61-6<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/iboma-cas-7534-94-3\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/iboma-cas-7534-94-3\/\"> Mon\u00f4mero IBOMA<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">Metacrilato de isobornila<\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\">7534-94-3<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"https:\/\/longchangchemical.com\/pt\/product\/iboa-monomer-cas-5888-33-5\/\"> Mon\u00f4mero IBOA<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">Acrilato de isobornila<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">5888-33-5<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"https:\/\/longchangchemical.com\/pt\/product\/eoeoea-monomer-cas-7328-17-8\/\"> Mon\u00f4mero EOEOEA<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">2-(2-Etoxietoxi)acrilato de etila<\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\">7328-17-8<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et5\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><strong>Mon\u00f4mero multifuncional<\/strong><\/td>\n<td class=\"et10\" style=\"width: 246.30pt;\" width=\"328\"><\/td>\n<td class=\"et11\" style=\"width: 90.55pt;\" width=\"120\"><\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/-dpha-cas-29570-58-9\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/dpha-monomer-cas-29570-58-9\/\"> DPHA Mon\u00f4mero<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\"><\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\">29570-58-9<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"https:\/\/longchangchemical.com\/pt\/product\/-di-tmpta-cas-94108-97-1\/\"> Mon\u00f4mero DI-TMPTA<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">TETRAACRILATO DE DI(TRIMETILOLPROPANO)<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">94108-97-1<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et5\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><strong>Mon\u00f4mero de acrilamida<\/strong><\/td>\n<td class=\"et10\" style=\"width: 246.30pt;\" width=\"328\"><\/td>\n<td class=\"et11\" style=\"width: 90.55pt;\" width=\"120\"><\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/-acmo-cas-5117-12-4\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/acmo-monomer-cas-5117-12-4\/\"> Mon\u00f4mero ACMO<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">4-acriloilmorfolina<\/td>\n<td class=\"et12\" style=\"width: 90.55pt;\" width=\"120\">5117-12-4<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et5\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><strong>Mon\u00f4mero di-funcional<\/strong><\/td>\n<td class=\"et10\" style=\"width: 246.30pt;\" width=\"328\"><\/td>\n<td class=\"et11\" style=\"width: 90.55pt;\" width=\"120\"><\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/cas-25852-47-5\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/cas-25852-47-5\/\">Mon\u00f4mero PEGDMA<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">Dimetacrilato de poli(etilenoglicol)<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">25852-47-5<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/tpgda-cas-42978-66-5\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/tpgda-cas-42978-66-5\/\"> Mon\u00f4mero TPGDA<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">Diacrilato de tripropilenoglicol<\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\">42978-66-5<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/tegdma-cas-109-16-0\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/tegdma-cas-109-16-0\/\"> Mon\u00f4mero TEGDMA<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">Dimetacrilato de trietilenoglicol<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">109-16-0<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/po2-npgda-cas-84170-74-1\/\"><span style=\"color: #00ccff;\"> Mon\u00f4mero PO2-NPGDA<\/span><\/a><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">Diacrilato de neopentileno glicol propoxilado<\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\">84170-74-1<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"https:\/\/longchangchemical.com\/pt\/product\/pegda-monomer-cas-26570-48-9\/\"> Mon\u00f4mero de PEGDA<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">Diacrilato de polietileno glicol<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">26570-48-9<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/-pdda-phthalate-diethylene-glycol-diacrylate\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/phthalate-diethylene-glycol-diacrylate\/\"> Mon\u00f4mero PDDA<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">Ftalato de diacrilato de dietilenoglicol<\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\"><\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"https:\/\/longchangchemical.com\/pt\/product\/npgda-cas-2223-82-7\/\"> Mon\u00f4mero NPGDA<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">Diacrilato de neopentil glicol<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">2223-82-7<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"https:\/\/longchangchemical.com\/pt\/product\/cas-13048-33-4\/\"> Mon\u00f4mero HDDA<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">Diacrilato de hexametileno<\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\">13048-33-4<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><a title=\"https:\/\/longchangchemical.com\/product\/-eo4-bpada-cas-64401-02-1\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/eo4-bpada-cas-64401-02-1\/\"><span style=\"color: #00ccff;\"> Mon\u00f4mero EO4-BPADA<\/span><\/a><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">DIACRILATO DE BISFENOL A ETOXILADO (4)<\/td>\n<td class=\"et14\" style=\"width: 90.55pt;\" width=\"120\">64401-02-1<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/-eo10-bpada-monomer-cas-64401-02-1\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/eo10-bpada-monomer-cas-64401-02-1\/\"> Mon\u00f4mero EO10-BPADA<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">DIACRILATO DE BISFENOL A ETOXILADO (10)<\/td>\n<td class=\"et15\" style=\"width: 90.55pt;\" width=\"120\">64401-02-1<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/-egdma-cas-97-90-5\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/egdma-monomer-cas-97-90-5\/\"> Mon\u00f4mero EGDMA<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">Dimetacrilato de etilenoglicol<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">97-90-5<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"https:\/\/longchangchemical.com\/pt\/product\/dpgda-monomer-cas-57472-68-1\/\"> Mon\u00f4mero DPGDA<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">Dienoato de Dipropileno Glicol<\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\">57472-68-1<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/-bis-gma-cas-1565-94-2\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/sinomer-bis-gma-cas-1565-94-2\/\"> Mon\u00f4mero Bis-GMA<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">Bisfenol A Metacrilato de glicidila<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">1565-94-2<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et5\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><strong>Mon\u00f4mero trifuncional<\/strong><\/td>\n<td class=\"et10\" style=\"width: 246.30pt;\" width=\"328\"><\/td>\n<td class=\"et11\" style=\"width: 90.55pt;\" width=\"120\"><\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/tmptma-cas-3290-92-4\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/tmptma-cas-3290-92-4\/\"> Mon\u00f4mero TMPTMA<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">Trimetacrilato de trimetilolpropano<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">3290-92-4<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/tmpta-cas-15625-89-5\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/tmpta-cas-15625-89-5\/\"> Mon\u00f4mero de TMPTA<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">Triacrilato de trimetilolpropano<\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\">15625-89-5<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/peta-cas-3524-68-3\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/peta-cas-3524-68-3\/\"> Mon\u00f4mero PETA<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\"><\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">3524-68-3<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/-gpta-g3pota-cas-52408-84-1\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/gpta-g3pota-cas-52408-84-1\/\"> Mon\u00f4mero de GPTA ( G3POTA )<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">TRIACRILATO DE GLICERIL PROPOXI<\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\">52408-84-1<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"https:\/\/longchangchemical.com\/pt\/product\/eo3-tmpta-cas-28961-43-5\/\"> Mon\u00f4mero EO3-TMPTA<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">Triacrilato de trimetilolpropano etoxilado<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">28961-43-5<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et5\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><strong>Mon\u00f4mero fotorresistente<\/strong><\/td>\n<td class=\"et10\" style=\"width: 246.30pt;\" width=\"328\"><\/td>\n<td class=\"et11\" style=\"width: 90.55pt;\" width=\"120\"><\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"https:\/\/longchangchemical.com\/pt\/product\/ipama-monomer-cas-297156-50-4\/\"> Mon\u00f4mero IPAMA<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">Metacrilato de 2-isopropil-2-adamantila<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">297156-50-4<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"https:\/\/longchangchemical.com\/pt\/product\/ecpma-monomer-cas-266308-58-1\/\"> Mon\u00f4mero ECPMA<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">Metacrilato de 1-etilciclopentila<\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\">266308-58-1<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/-adama-cas-16887-36-8\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/adama-monomer-cas-16887-36-8\/\"> Mon\u00f4mero ADAMA<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">Metacrilato de 1-amant\u00edlico<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">16887-36-8<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et5\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><strong>Mon\u00f4mero de metacrilatos<\/strong><\/td>\n<td class=\"et10\" style=\"width: 246.30pt;\" width=\"328\"><\/td>\n<td class=\"et11\" style=\"width: 90.55pt;\" width=\"120\"><\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/-tbaema-cas-3775-90-4\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/tbaema-monomer-cas-3775-90-4\/\"> Mon\u00f4mero TBAEMA<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">Metacrilato de 2-(terc-butilamino)etila<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">3775-90-4<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/-n-bma-n-butyl-methacrylate-cas-97-88-1\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/n-bma-n-butyl-methacrylate-cas-97-88-1\/\"> Mon\u00f4mero NBMA<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">Metacrilato de n-butilo<\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\">97-88-1<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/-mema-cas-6976-93-8\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/mema-monomer-cas-6976-93-8\/\"> Mon\u00f4mero MEMA<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">Metacrilato de 2-metoxietil<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">6976-93-8<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/-i-bma-cas-97-86-9\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/i-bma-monomer-cas-97-86-9\/\"> Mon\u00f4mero i-BMA<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">Metacrilato de isobutilo<\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\">97-86-9<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/-ehma-cas-688-84-6\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/chma-monomer-cas-101-43-9\/\"> Mon\u00f4mero EHMA<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">Metacrilato de 2-etil-hexila<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">688-84-6<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/egdmp-monomer-cas-22504-50-3\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/egdmp-monomer-cas-22504-50-3\/\"> Mon\u00f4mero EGDMP<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">Bis(3-mercaptopropionato) de etilenoglicol<\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\">22504-50-3<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/-eema-cas-2370-63-0\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/eema-monomer-cas-2370-63-0\/\"> Mon\u00f4mero EEMA<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">2-etoxietil 2-metilprop-2-enoato<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">2370-63-0<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/-dmaema-cas-2867-47-2\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/dmaema-monomer-cas-2867-47-2\/\"> Mon\u00f4mero DMAEMA<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">N,M-Dimetilaminoetil metacrilato<\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\">2867-47-2<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/deam-monomer-cas-105-16-8\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/deam-monomer-cas-105-16-8\/\"> Mon\u00f4mero DEAM<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">Metacrilato de dietilaminoetila<\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\">105-16-8<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/-chma-cas-101-43-9\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/chma-monomer-cas-101-43-9\/\"> Mon\u00f4mero CHMA<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">Metacrilato de ciclohexila<\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\">101-43-9<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/bzma-monomer-cas-2495-37-6\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/bzma-monomer-cas-2495-37-6\/\"> Mon\u00f4mero BZMA<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">Metacrilato de benzila<\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\">2495-37-6<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/bddmp-monomer-cas-92140-97-1\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/bddmp-monomer-cas-92140-97-1\/\"> Mon\u00f4mero BDDMP<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">Di(3-mercaptopropionato) de 1,4-butanodiol<\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\">92140-97-1<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/-bddma-cas-2082-81-7\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/bddma-monomer-cas-2082-81-7\/\"> Mon\u00f4mero de BDDMA<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">1,4-Butanodioldimetacrilato<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">2082-81-7<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/-ama-cas-96-05-9\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/ama-monomer-cas-96-05-9\/\"> Mon\u00f4mero AMA<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">Metacrilato de alila<\/td>\n<td class=\"et16\" style=\"width: 90.55pt;\" width=\"120\">96-05-9<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/-aaem-cas-21282-97-3\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/aaem-monomer-cas-21282-97-3\/\"> Mon\u00f4mero AAEM<\/a><\/span><\/td>\n<td class=\"et17\" style=\"width: 246.30pt;\" width=\"328\">Metacrilato de acetilacetoxietil<\/td>\n<td class=\"et17\" style=\"width: 90.55pt;\" width=\"120\">21282-97-3<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et18\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><strong>Mon\u00f4mero de acrilatos<\/strong><\/td>\n<td class=\"et19\" style=\"width: 336.85pt;\" colspan=\"2\" width=\"449\"><\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/iba-monomer-cas-106-63-8\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/iba-monomer-cas-106-63-8\/\"> Mon\u00f4mero de IBA<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">Acrilato de isobutilo<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">106-63-8<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/ema-monomer-cas-97-63-2\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/ema-monomer-cas-97-63-2\/\"> Mon\u00f4mero EMA<\/a><\/span><\/td>\n<td class=\"et9\" style=\"width: 246.30pt;\" width=\"328\">Metacrilato de etila<\/td>\n<td class=\"et9\" style=\"width: 90.55pt;\" width=\"120\">97-63-2<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/dmaea-monomer-cas-2439-35-2\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/dmaea-monomer-cas-2439-35-2\/\"> Mon\u00f4mero DMAEA<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">Acrilato de dimetilaminoetila<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">2439-35-2<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/deaea-monomer-cas-2426-54-2\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/deaea-monomer-cas-2426-54-2\/\"> Mon\u00f4mero DEAEA<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">2-(dietilamino)etil prop-2-enoato<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">2426-54-2<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/cha-monomer-cas-3066-71-5\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/cha-monomer-cas-3066-71-5\/\"> Mon\u00f4mero CHA<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">ciclohexil prop-2-enoato<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">3066-71-5<\/td>\n<\/tr>\n<tr style=\"height: 15.50pt;\">\n<td class=\"et7\" style=\"height: 15.50pt; width: 191.50pt;\" width=\"255\" height=\"20\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/bza-monomer-cas-2495-35-4\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/bza-monomer-cas-2495-35-4\/\"> Mon\u00f4mero BZA<\/a><\/span><\/td>\n<td class=\"et8\" style=\"width: 246.30pt;\" width=\"328\">prop-2-enoato de benzila<\/td>\n<td class=\"et8\" style=\"width: 90.55pt;\" width=\"120\">2495-35-4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2><strong><b>Entre em contato conosco agora!<\/b><\/strong><\/h2>\n<h4><strong><b>Se precisar de COA, MSDS ou TDS, preencha suas informa\u00e7\u00f5es de contato no formul\u00e1rio abaixo. Normalmente, entraremos em contato em 24 horas. Voc\u00ea tamb\u00e9m pode me enviar um e-mail <span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"mailto:info@longchangchemical.com\">info@longchangchemical.com<\/a><\/span> durante o hor\u00e1rio comercial (das 8h30 \u00e0s 18h UTC+8 de segunda a s\u00e1bado) ou use o bate-papo ao vivo do site para obter uma resposta imediata.<\/b><\/strong><\/h4>","protected":false},"excerpt":{"rendered":"<p>What is the effect of UV monomer on UV-curable oxygen blocking? 1.2 Sample preparation and testing The monomer and initiator were weighed accurately, where the monomer was not purified, and mixed uniformly with a magnetic stirrer. UV-DSC was used to perform UV curing experiments under static air atmosphere and nitrogen atmosphere, and the samples were [&hellip;]<\/p>","protected":false},"author":1,"featured_media":5414,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-5797","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-catalysts-chemical-auxiliary-agents"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is the effect of UV monomer on UV-curable oxygen blocking? - Longchang Chemical<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangchemical.com\/pt\/effect-of-uv-monomer-on-uv-curable-oxygen-blocking\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is the effect of UV monomer on UV-curable oxygen blocking? - Longchang Chemical\" \/>\n<meta property=\"og:description\" content=\"What is the effect of UV monomer on UV-curable oxygen blocking? 1.2 Sample preparation and testing The monomer and initiator were weighed accurately, where the monomer was not purified, and mixed uniformly with a magnetic stirrer. 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