{"id":5041,"date":"2022-02-10T14:16:22","date_gmt":"2022-02-10T14:16:22","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5041"},"modified":"2026-04-28T10:41:55","modified_gmt":"2026-04-28T10:41:55","slug":"data-introduction-of-commonly-used-uv-monomers-in-uv-inkjet","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/pt\/data-introduction-of-commonly-used-uv-monomers-in-uv-inkjet\/","title":{"rendered":"Introdu\u00e7\u00e3o de dados de mon\u00f4meros UV comumente usados em jato de tinta UV"},"content":{"rendered":"<h1><strong>Introdu\u00e7\u00e3o de dados de mon\u00f4meros UV comumente usados em jato de tinta UV<\/strong><\/h1>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>Quick answer:<\/strong> In practical UV formulation work, resin and monomer selection starts with the end-use property target, then tunes viscosity and cure response around it. Buyers usually shortlist a few matched packages, not a single magic raw material.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>H\u00e1 muitos tipos de mon\u00f4meros de cura por luz UV, e o m\u00e9todo de classifica\u00e7\u00e3o tamb\u00e9m \u00e9 complicado. Por exemplo, de acordo com o mecanismo da rea\u00e7\u00e3o de cura, eles podem ser divididos em tipo de cura radical livre e tipo de cura cati\u00f4nica; de acordo com o n\u00famero de grupos funcionais envolvidos na rea\u00e7\u00e3o, eles podem ser divididos em monofuncional, bifuncional, trifuncional e mon\u00f4mero multifuncional. Este artigo pretende usar os diagramas a seguir para classificar, na esperan\u00e7a de dar alguma inspira\u00e7\u00e3o ou ajuda aos amigos que est\u00e3o envolvidos no projeto de formula\u00e7\u00e3o de jato de tinta UV.<\/p>\n<p>At present, acrylates and some nitrogen-containing monomers are widely used in UV-curable inkjets, and commercial formulations often compare <a href=\"https:\/\/longchangchemical.com\/pt\/product\/iboa-monomer-cas-5888-33-5\/\">Mon\u00f4mero IBOA<\/a> with <a href=\"https:\/\/longchangchemical.com\/pt\/product\/tmpta-cas-15625-89-5\/\">Mon\u00f4mero de TMPTA<\/a> when balancing hardness, shrinkage, and cure speed. Therefore, this article also focuses on summarizing these monomers.<\/p>\n<p>Os amigos que est\u00e3o familiarizados com o design de formula\u00e7\u00f5es para jato de tinta sabem que o odor do mon\u00f4mero, a dilui\u00e7\u00e3o e o ponto Tg s\u00e3o os dados mais importantes.<\/p>\n<p>Quais fatores geralmente est\u00e3o relacionados ao odor dos mon\u00f4meros (Odor) O peso molecular do acrilato \u00e9 pequeno, mas quase n\u00e3o tem cheiro. Se voc\u00ea pensar bem, ver\u00e1 que s\u00e3o formadas liga\u00e7\u00f5es de hidrog\u00eanio entre as mol\u00e9culas, o que dificulta a fuga, por isso estamos pensando se um mon\u00f4mero tem cheiro. Quanto maior a press\u00e3o de vapor, mais f\u00e1cil \u00e9 a emiss\u00e3o da subst\u00e2ncia, portanto, a concentra\u00e7\u00e3o da subst\u00e2ncia que podemos receber \u00e9 relativamente alta. Uma vez que a dose tenha sido aumentada, o sabor sair\u00e1 facilmente. \u00c9 claro que h\u00e1 outros fatores, como uma subst\u00e2ncia que seja f\u00e1cil de decompor em temperatura ambiente. Os pequenos componentes moleculares odor\u00edferos que escapam tamb\u00e9m ter\u00e3o odor. Os compostos que cont\u00eam grupos sulfidrila, bem conhecidos no setor de fotopolimeriza\u00e7\u00e3o, devem pertencer a essa categoria. Al\u00e9m disso, alguns odores s\u00e3o provenientes das rea\u00e7\u00f5es adicionadas no processo de produ\u00e7\u00e3o de um determinado material. Portanto, alguns fornecedores de mon\u00f4meros fornecer\u00e3o duas ou v\u00e1rias vers\u00f5es de mon\u00f4meros, geralmente mon\u00f4meros sem tolueno ou de alta pureza.<\/p>\n<p>A viscosidade do mon\u00f4mero (viscoso), geralmente pensamos que quanto menor a viscosidade do mon\u00f4mero, melhor o desempenho da dilui\u00e7\u00e3o. No sistema de acrilato, a maioria dos mon\u00f4meros est\u00e1 em conformidade com essa regra. A viscosidade reflete a for\u00e7a da for\u00e7a intermolecular. Na mesma temperatura, quanto mais forte for a for\u00e7a intermolecular, maior ser\u00e1 a viscosidade. A for\u00e7a de dilui\u00e7\u00e3o n\u00e3o est\u00e1 relacionada apenas \u00e0 viscosidade do mon\u00f4mero, mas tamb\u00e9m \u00e0 polaridade do mon\u00f4mero. A viscosidade dos acrilatos, como as cadeias de carbono de comprimento m\u00e9dio (C8~C10), n\u00e3o \u00e9 alta, mas \u00e0s vezes \u00e9 usada em formula\u00e7\u00f5es. Al\u00e9m de afetar a velocidade de cura e a dureza da camada de filme, o maior perigo oculto \u00e9 que a polaridade da parte da cadeia de carbono \u00e9 relativamente pequena, e a for\u00e7a intermolecular entre o mon\u00f4mero e ele mesmo \u00e9 pequena, portanto, ele tamb\u00e9m pode interagir com as mol\u00e9culas da resina. A for\u00e7a tamb\u00e9m \u00e9 pequena, e \u00e9 prov\u00e1vel que a resina n\u00e3o possa ser bem dissolvida ap\u00f3s a adi\u00e7\u00e3o de mais, ou seja, a compatibilidade com o sistema de tinta pode ser problem\u00e1tica.<\/p>\n<p>Tg \u00e9 a temperatura de transi\u00e7\u00e3o v\u00edtrea. O significado desse par\u00e2metro \u00e9 entendido de acordo com a f\u00edsica dos pol\u00edmeros. \u00c9 o valor cr\u00edtico da temperatura em que os elos da cadeia do pol\u00edmero podem girar livremente. \u00c9 diferente do ponto de fus\u00e3o e do ponto de ebuli\u00e7\u00e3o de mol\u00e9culas pequenas. N\u00e3o \u00e9 uma mudan\u00e7a repentina de temperatura endot\u00e9rmica e exot\u00e9rmica, mas uma ampla faixa de mudan\u00e7as de temperatura. Para facilitar a caracteriza\u00e7\u00e3o, o valor geralmente \u00e9 obtido em um determinado ponto dessa faixa. Obviamente, os dados de caracteriza\u00e7\u00e3o t\u00eam uma grande rela\u00e7\u00e3o com o m\u00e9todo de medi\u00e7\u00e3o, portanto, a mesma amostra em diferentes condi\u00e7\u00f5es de teste pode variar muito, portanto, os dados de Tg apresentados no artigo a seguir s\u00e3o apenas uma refer\u00eancia. Agora que entendemos o significado de Tg, tamb\u00e9m podemos ter uma compreens\u00e3o um pouco mais profunda de um conceito mais importante de \"tr\u00eas estados e duas transi\u00e7\u00f5es\" em materiais polim\u00e9ricos (estritamente falando, isso \u00e9 para pol\u00edmeros amorfos).<\/p>\n<p>O entendimento do estado v\u00edtreo \u00e9 semelhante ao vidro que j\u00e1 vimos. O vidro \u00e9, na verdade, n\u00e3o cristalizado, mas, \u00e0 temperatura ambiente, \u00e9 um sistema \"s\u00f3lido\", mas, a rigor, deveria ser \"l\u00edquido\", s\u00f3 que as condi\u00e7\u00f5es de temperatura restringem alguns movimentos de suas mol\u00e9culas. No caso de um pol\u00edmero amorfo, quando ele est\u00e1 em um estado v\u00edtreo, o \"segmento\" n\u00e3o pode se mover, e ele est\u00e1 no chamado estado bloqueado. Nesse momento, o sistema \u00e9 t\u00e3o duro quanto o vidro.<\/p>\n<p>O estado de alta elasticidade \u00e9, na verdade, um estado em que o \"segmento da cadeia\" pode se mover livremente, mas a cadeia inteira do pol\u00edmero ainda n\u00e3o pode deslizar. Nesse momento, o sistema tem boa elasticidade.<br \/>\nO estado de fluxo viscoso \u00e9 o estado no qual a cadeia do pol\u00edmero pode se mover, semelhante ao nosso l\u00edquido comum. Obviamente, no caso do pol\u00edmero reticulado, a tens\u00e3o n\u00e3o aumentar\u00e1 quando ele atingir a temperatura de fluxo viscoso, afinal, o movimento da cadeia do pol\u00edmero \u00e9 limitado.<\/p>\n<p>\"Duas transi\u00e7\u00f5es\" \u00e9 a conex\u00e3o entre \"estado\" e \"estado\", incluindo principalmente o estado v\u00edtreo e o estado viscoel\u00e1stico. N\u00e3o \u00e9 dif\u00edcil entender que, quando o estado v\u00edtreo est\u00e1 em uma faixa de temperatura mais baixa, ou seja, quando o ponto Tg de que estamos falando \u00e9 muito baixo, ele pode estar em um estado viscoel\u00e1stico \u00e0 temperatura ambiente. \"N\u00e3o \u00e9 poss\u00edvel passar\". Portanto, ao projetar a f\u00f3rmula da tinta dura, esperamos que o ponto Tg seja alto, o que \"secar\u00e1 completamente\" e a dureza da superf\u00edcie tamb\u00e9m ser\u00e1 alta; ao projetar a f\u00f3rmula da tinta macia, \u00e9 um pouco mais dif\u00edcil, e esperamos que o Tg da camada de filme curado possa estar na regi\u00e3o el\u00e1stica. Esperamos que a Tg da camada de filme curado esteja na regi\u00e3o el\u00e1stica, para que ela tenha melhores propriedades de tra\u00e7\u00e3o.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-5043\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/02\/1.jpg\" alt=\"\" width=\"465\" height=\"260\" \/><\/p>\n<p>\u00cdndice de refra\u00e7\u00e3o: geralmente, quanto maior o \u00edndice de refra\u00e7\u00e3o, melhor o brilho, porque a luz \u00e9 mais f\u00e1cil de ser refratada para frente e para tr\u00e1s na superf\u00edcie. Al\u00e9m disso, o alto \u00edndice de refra\u00e7\u00e3o tamb\u00e9m pode ajudar a melhorar a cobertura do pigmento, mas se n\u00e3o for muito alto, esse efeito positivo \u00e9 quase insignificante.<br \/>\nDiscutiremos esses par\u00e2metros mais adiante.<\/p>\n<h2><strong>2. Mon\u00f4mero de acrilato monofuncional comumente usado em jato de tinta UV<\/strong><\/h2>\n<h3>2.1 Acrilatos monofuncionais com cadeias de carbono saturadas de diferentes comprimentos<\/h3>\n<p>O diagrama da estrutura e a tabela de dados e estrutura do acrilato de cadeia de carbono saturado parcialmente puro s\u00e3o os seguintes:<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-5044\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/02\/2.png\" alt=\"\" width=\"145\" height=\"78\" \/><\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-5045 size-full\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/02\/3.jpg\" alt=\"\" width=\"720\" height=\"409\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/02\/3.jpg 720w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/02\/3-600x341.jpg 600w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-5046 size-full\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/02\/4.jpg\" alt=\"\" width=\"720\" height=\"388\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/02\/4.jpg 720w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/02\/4-600x323.jpg 600w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/p>\n<p><img decoding=\"async\" class=\"alignnone size-medium wp-image-5047\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/02\/5-650x384.jpg\" alt=\"\" width=\"650\" height=\"384\" \/><\/p>\n<p>Na Tabela 2-1, podemos observar que a Tg de homopol\u00edmeros com diferentes comprimentos de cadeia de carbono varia muito. \u00c0 medida que o n\u00famero de \u00e1tomos de carbono aumenta, o valor de Tg primeiro diminui e depois aumenta. Quando o n\u00famero de \u00e1tomos de carbono aumenta at\u00e9 um determinado valor, ele constitui um \"segmento de cadeia\" mais longo, e continuar aumentando equivale ao pr\u00f3ximo \"segmento de cadeia\", de modo que a Tg muda de acordo. Vejamos v\u00e1rios acrilatos com is\u00f4meros de n-butilo, iso-butilo e terc-butilo. Descobrimos que o n-butilo tem o ponto de Tg mais baixo e o terc-butilo tem o mais alto, o que significa que o impedimento est\u00e9rico tem o efeito oposto. O movimento do \"segmento da cadeia\" tem uma influ\u00eancia maior.<\/p>\n<p>Al\u00e9m disso, observamos a Tg dos dois is\u00f4meros de \u00e9ster dec\u00edlico. \u00c9 poss\u00edvel observar que o comprimento de um \"segmento de cadeia\" \u00e9 aproximadamente C5. Se o valor for maior, o ponto de Tg ser\u00e1 mais alto.<\/p>\n<h3><strong><img decoding=\"async\" class=\"alignnone size-full wp-image-5048\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/02\/6.jpg\" alt=\"\" width=\"361\" height=\"333\" \/><\/strong><\/h3>\n<h3><strong>Como aplicamos esse acrilato com diferentes cadeias de carbono \u00e0 tinta? <\/strong><\/h3>\n<p>Primeiramente, examinamos os dados de press\u00e3o de vapor. Os \u00e9steres et\u00edlicos e but\u00edlicos com pesos moleculares menores geralmente t\u00eam um odor forte e raramente s\u00e3o usados em formula\u00e7\u00f5es de tinta. Embora os \u00e9steres dec\u00edlicos e os \u00e9steres laur\u00edlicos com cadeias de carbono um pouco mais longas tenham viscosidade e Tg mais baixas, parece que podem ser aplicados \u00e0 tinta macia para obter resist\u00eancia \u00e0 fric\u00e7\u00e3o e muito macia, mas n\u00e3o devemos ignorar sua polaridade. Esses mon\u00f4meros n\u00e3o devem ser adicionados em excesso. Em geral, eles s\u00e3o usados como mon\u00f4meros adicionais para plastifica\u00e7\u00e3o interna. Os mon\u00f4meros s\u00e3o amplamente usados na s\u00edntese de resinas adesivas, e a quantidade de adi\u00e7\u00e3o n\u00e3o precisa ser muito grande. Um deles \u00e9 a compatibilidade que acabamos de mencionar, e o outro \u00e9 que, quando a quantidade de adi\u00e7\u00e3o \u00e9 grande, a cura \u00e9 lenta. Esses mon\u00f4meros tamb\u00e9m s\u00e3o usados na impress\u00e3o 3D a jato de tinta e, devido \u00e0 sua compatibilidade, eles d\u00e3o aos modelos impressos uma apar\u00eancia e um toque de cera.<\/p>\n<p>Entre os mon\u00f4meros mencionados acima, BA, 2-EHA, ISODA, 2-PHA, LA e SA est\u00e3o dispon\u00edveis nos principais fabricantes de mat\u00e9rias-primas fotocur\u00e1veis.<\/p>\n<p>&nbsp;<\/p>\n<h2><strong>2.2 Acrilatos monofuncionais com carbociclos n\u00e3o arom\u00e1ticos<\/strong><\/h2>\n<p>Al\u00e9m do grupo hidroxila alco\u00f3lico, outras partes do \u00e1lcool antes da acrila\u00e7\u00e3o t\u00eam um anel formado por \u00e1tomos de carbono. Os mon\u00f4meros com an\u00e9is carboc\u00edclicos tamb\u00e9m s\u00e3o usados no campo de jato de tinta, mas a quantidade \u00e9 relativamente pequena. A seguir, discutiremos suas poss\u00edveis aplica\u00e7\u00f5es em termos de par\u00e2metros estruturais.<\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-5049 size-full\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/02\/7.jpg\" alt=\"\" width=\"509\" height=\"618\" \/><\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-5050 size-full\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/02\/8.jpg\" alt=\"\" width=\"720\" height=\"512\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/02\/8.jpg 720w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/02\/8-600x427.jpg 600w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/p>\n<p>A compara\u00e7\u00e3o desses tr\u00eas lado a lado se deve ao fato de que apenas os substituintes em diferentes posi\u00e7\u00f5es no grupo ciclohexil s\u00e3o diferentes, e o efeito sobre a Tg do grupo ciclohexil \u00e9 muito diferente. A diferen\u00e7a entre TMCHA e TBCHA e CHA pode ser de v\u00e1rias dezenas de graus Celsius. Pode-se observar que quanto mais substituintes r\u00edgidos, como grupos metil, forem substitu\u00eddos diretamente no anel, mais \"duro\" ser\u00e1 o pol\u00edmero ap\u00f3s a cura. De fato, a estrutura de anel saturado tamb\u00e9m tem a vantagem da resist\u00eancia \u00e0 \u00e1gua e do melhor amarelamento. A resist\u00eancia \u00e0 \u00e1gua \u00e9 boa porque a polaridade dos grupos \u00e9 baixa. De acordo com a experi\u00eancia de \"compatibilidade semelhante\", o efeito hidrof\u00f3bico \u00e9 \u00f3bvio. A boa resist\u00eancia ao amarelamento se deve ao fato de n\u00e3o ser como os mon\u00f4meros que cont\u00eam uma estrutura de anel arom\u00e1tico, que \u00e9 facilmente oxidada por fatores complexos, como luz e calor no ambiente, no grupo metil substitu\u00eddo pelo anel arom\u00e1tico para formar uma estrutura de \"quinona\". A conjuga\u00e7\u00e3o leva a um desvio para o vermelho de seu comprimento de onda de absor\u00e7\u00e3o, e h\u00e1 uma certa absor\u00e7\u00e3o de comprimento de onda na regi\u00e3o da luz vis\u00edvel, de modo que o resultado do amarelamento pode ser visto macroscopicamente.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-5051\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/02\/9.jpg\" alt=\"\" width=\"500\" height=\"195\" \/><\/p>\n<p>Em seguida, analisamos um grupo de acrilatos com estruturas bic\u00edclicas ou polic\u00edclicas. Sem exce\u00e7\u00e3o, esses acrilatos t\u00eam uma Tg mais alta e uma taxa de cura relativamente mais r\u00e1pida.<\/p>\n<p>O mais conhecido \u00e9 o acrilato de isobornila (IBOA), que tem um odor especial, semelhante ao do \u00f3leo de c\u00e2nfora. A s\u00edntese desse tipo de mon\u00f4mero geralmente \u00e9 obtida a partir da olefina correspondente por meio de cat\u00e1lise de \u00e1cido de Lewis para obter o grupo hidroxila e realizar a s\u00edntese com \u00e1cido acr\u00edlico. Considera\u00e7\u00f5es sobre esterifica\u00e7\u00e3o, processo e custo impedem que a pureza desses produtos seja muito alta. Al\u00e9m disso, h\u00e1 uma s\u00e9rie de acrilatos com an\u00e9is de diciclopentadieno (DCPA) e adamantano (Adamantane), mas o pre\u00e7o n\u00e3o \u00e9 barato, os dados correspondentes s\u00e3o dif\u00edceis de coletar de forma abrangente e devem ser aplicados em campos especiais. Apenas a estrutura e alguns par\u00e2metros s\u00e3o listados para refer\u00eancia.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-medium wp-image-5052\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/02\/10-339x433.jpg\" alt=\"\" width=\"339\" height=\"433\" \/><\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-5054 size-full\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/02\/11.jpg\" alt=\"\" width=\"720\" height=\"464\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/02\/11.jpg 720w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/02\/11-600x387.jpg 600w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/p>\n<h4><strong><b>Se precisar de COA, MSDS ou TDS de mon\u00f4meros UV, envie-me um e-mail <span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"mailto:info@longchangchemical.com\">info@longchangchemical.com<\/a>\u00a0<\/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>\n<p>Voc\u00ea pode clicar no pr\u00f3ximo artigo para ler e entender <a href=\"https:\/\/longchangchemical.com\/pt\/what-is-uv-ink\/\"><span style=\"color: #00ccff;\"><strong>O que \u00e9 tinta UV? Qual \u00e9 a diferen\u00e7a entre a tinta UV e a tinta comum?<\/strong><\/span><\/a><\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>How buyers usually evaluate UV monomers and resin systems<\/h2>\n<p>Most successful UV formulations are built by choosing the backbone first and then tuning the reactive monomer package around the substrate, cure method, and end-use stress. That usually produces a more stable result than choosing materials by viscosity or price alone.<\/p>\n<ul>\n<li><strong>Start from the final property target:<\/strong> hardness, flexibility, adhesion, and shrinkage rarely point to exactly the same raw-material package.<\/li>\n<li><strong>Screen the reactive package as a whole:<\/strong> oligomer, monomer, and photoinitiator choices interact strongly in UV systems.<\/li>\n<li><strong>Use viscosity as a tool, not the only decision rule:<\/strong> the easiest-processing material is not always the one that performs best after cure.<\/li>\n<li><strong>Check the real substrate:<\/strong> plastic, metal, label film, gel systems, and coatings can reward very different polarity and cure-density balances.<\/li>\n<\/ul>\n<h3>Recommended product references<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/hpma-monomer-cas-27813-02-1\/\">CHLUMICRYL HPMA<\/a>:<\/strong> Useful when more polarity and adhesion support are needed in the reactive package.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/iboa-monomer-cas-5888-33-5\/\">CHLUMICRYL IBOA<\/a>:<\/strong> A strong low-viscosity monomer reference when hardness and good flow both matter.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/tmpta-cas-15625-89-5\/\">CHLUMICRYL TMPTA<\/a>:<\/strong> A standard reactive monomer benchmark when stronger crosslink density is required.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/eo3-tmpta-cas-28961-43-5\/\">CHLUMICRYL EO3-TMPTA<\/a>:<\/strong> Helpful when viscosity and cure behavior need to be tuned around the base package.<\/li>\n<\/ul>\n<h3>FAQ for buyers and formulators<\/h3>\n<p><strong>Can one UV monomer or resin solve every formulation problem?<\/strong><br \/>Usually no. Commercially strong formulas depend on how several components work together to balance cure, adhesion, flow, and durability.<\/p>\n<p><strong>Why should monomers be screened together with oligomers?<\/strong><br \/>Because monomers can change viscosity, cure rate, shrinkage, and substrate behavior enough to alter the final ranking of the same backbone resin.<\/p>\n<p><!-- lc-commercial-end --><\/p>","protected":false},"excerpt":{"rendered":"<p>There are many kinds of UV light curing monomers, and the classification method is also complicated. 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