{"id":5249,"date":"2022-05-19T13:57:35","date_gmt":"2022-05-19T13:57:35","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5249"},"modified":"2026-04-28T10:42:00","modified_gmt":"2026-04-28T10:42:00","slug":"the-complete-guide-to-photoinitiator-application","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/pt\/the-complete-guide-to-photoinitiator-application\/","title":{"rendered":"2025 The Complete Guide To Principles of free radical photoinitiator application (Guia completo dos princ\u00edpios da aplica\u00e7\u00e3o de fotoiniciadores de radicais livres)"},"content":{"rendered":"<h1><strong>2025 The Complete Guide To Principles of free radical photoinitiator application (Guia completo dos princ\u00edpios da aplica\u00e7\u00e3o de fotoiniciadores de radicais livres)<\/strong><\/h1>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>Quick answer:<\/strong> In most UV systems, photoinitiators are selected by balancing wavelength fit, through-cure, color control, and line speed. Buyers usually compare a blended package instead of one isolated product.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>Como o fotoiniciador \u00e9 uma das principais mat\u00e9rias-primas na f\u00f3rmula de fotopolimeriza\u00e7\u00e3o, h\u00e1 alguns princ\u00edpios comuns aos quais se deve prestar aten\u00e7\u00e3o ao formular aplica\u00e7\u00f5es, tais como: combinar o princ\u00edpio com a fonte de luz, combinar o princ\u00edpio com o pigmento, combinar o princ\u00edpio com a espessura do revestimento, princ\u00edpio de dosagem, outros princ\u00edpios (princ\u00edpio de solubilidade, princ\u00edpio de combina\u00e7\u00e3o, princ\u00edpio de seguran\u00e7a, princ\u00edpio de pre\u00e7o) e assim por diante. Independentemente do tipo de princ\u00edpio de correspond\u00eancia, o objetivo final \u00e9 o mesmo: projetar uma formula\u00e7\u00e3o econ\u00f4mica do produto. As diferentes formula\u00e7\u00f5es do design dos requisitos do fotoiniciador tamb\u00e9m s\u00e3o muito diferentes, a sele\u00e7\u00e3o espec\u00edfica do fotoiniciador, a dosagem e a combina\u00e7\u00e3o de experimentos espec\u00edficos para determinar, especialmente agora, cada vez mais produtos personalizados, o desempenho diferente da formula\u00e7\u00e3o do produto exige o fotoiniciador correspondente.<\/p>\n<p>Princ\u00edpios de correspond\u00eancia com a fonte de luz: a fonte de luz atual do setor de fotopolimeriza\u00e7\u00e3o \u00e9 composta principalmente por l\u00e2mpadas de merc\u00fario, a intensidade espectral principal das l\u00e2mpadas de merc\u00fario convencionais de m\u00e9dia press\u00e3o, conforme mostrado na Tabela 3, e a Figura 10 \u00e9 o espectro de emiss\u00e3o de UV das l\u00e2mpadas de merc\u00fario de m\u00e9dia press\u00e3o, da Tabela 3 e da Figura 10, que podem ser vistas na l\u00e2mpada de merc\u00fario em 220nm-1300nm, que s\u00e3o diferentes intensidades de ondas de luz de emiss\u00e3o. As l\u00e2mpadas de haleto met\u00e1lico s\u00e3o uma classe de l\u00e2mpadas de merc\u00fario que podem aumentar a intensidade de comprimentos de onda espec\u00edficos adicionando diferentes metais \u00e0 l\u00e2mpada de merc\u00fario para alterar os comprimentos de onda de emiss\u00e3o da l\u00e2mpada. Na pr\u00e1tica, elas s\u00e3o frequentemente usadas em conjunto com l\u00e2mpadas convencionais de merc\u00fario de m\u00e9dia press\u00e3o. Portanto, ao projetar uma f\u00f3rmula de fotopolimeriza\u00e7\u00e3o, devemos primeiro considerar o tipo de fonte de luz e escolher o fotoiniciador com o comprimento de onda correspondente para diferentes fontes de luz a fim de maximizar a efici\u00eancia da utiliza\u00e7\u00e3o do fotoiniciador. Por exemplo, o comprimento de onda de absor\u00e7\u00e3o de luz do fotoiniciador \u03b1-hidroxicetona \u00e9 curto, com a l\u00e2mpada convencional de merc\u00fario de m\u00e9dia press\u00e3o pode atender \u00e0s necessidades de produ\u00e7\u00e3o, mas o comprimento de onda de absor\u00e7\u00e3o de luz do fotoiniciador de oxig\u00eanio acilfosfina e do fotoiniciador de tioxantrona \u00e9 maior, podendo chegar a 370 nm-400 nm, Se a l\u00e2mpada de ferro for selecionada (aumento espec\u00edfico da banda de 370 nm a 390 nm), em compara\u00e7\u00e3o com a l\u00e2mpada convencional de merc\u00fario de m\u00e9dia press\u00e3o Se a l\u00e2mpada de ferro for selecionada (aumento espec\u00edfico da banda de 370 nm a 390 nm), o efeito de polimeriza\u00e7\u00e3o poder\u00e1 ser obtido relativamente bem em compara\u00e7\u00e3o com a l\u00e2mpada convencional de merc\u00fario de m\u00e9dia press\u00e3o.<\/p>\n<p>Atualmente, a tecnologia de fonte de luz UV-LED est\u00e1 se tornando cada vez mais madura, especialmente o custo de comercializa\u00e7\u00e3o da fonte de luz de banda de 365nm, 385nm, 395nm, 405nm est\u00e1 ficando cada vez mais baixo, e tem muitas vantagens em compara\u00e7\u00e3o com a fonte de luz de l\u00e2mpada de merc\u00fario, como: economia de energia, prote\u00e7\u00e3o ambiental, alta efici\u00eancia, sa\u00fade, longa vida \u00fatil, etc., o que faz com que as pessoas aumentem o investimento na formula\u00e7\u00e3o da fonte de luz UV-LED. Como as fontes de luz UV-LED s\u00e3o fontes de luz de comprimento de onda \u00fanico, em compara\u00e7\u00e3o com as l\u00e2mpadas de merc\u00fario, as fontes de luz UV-LED para a seletividade do fotoiniciador s\u00e3o bastante reduzidas. Portanto, para a sele\u00e7\u00e3o do fotoiniciador da fonte de luz UV-LED, \u00e9 necess\u00e1rio prestar mais aten\u00e7\u00e3o para corresponder ao problema. No caso de o projeto da f\u00f3rmula de fotopolimeriza\u00e7\u00e3o da fonte de luz UV-LED n\u00e3o ser perfeito, o uso da combina\u00e7\u00e3o de fonte de luz UV-LED + fonte de luz de l\u00e2mpada de merc\u00fario tamb\u00e9m pode ter diferentes graus para atingir o objetivo de economia de energia e prote\u00e7\u00e3o ambiental.<\/p>\n<p>Correspond\u00eancia do princ\u00edpio da cor: o princ\u00edpio de correspond\u00eancia do fotoiniciador com a cor refere-se principalmente ao pico de absor\u00e7\u00e3o de UV do fotoiniciador e \u00e0 correspond\u00eancia da janela de transmiss\u00e3o de cor, a chamada janela de transmiss\u00e3o refere-se \u00e0 absor\u00e7\u00e3o de luz do pigmento\/tintura \u00e9 uma banda de onda de luz relativamente fraca, essa banda \u00e9 prop\u00edcia \u00e0 transmiss\u00e3o de luz UV, portanto, mais a\u00e7\u00e3o sobre o fotoiniciador. Se o pico de absor\u00e7\u00e3o de UV do fotoiniciador n\u00e3o for bem combinado com a janela de transmiss\u00e3o do pigmento\/tintura, o pigmento\/tintura competir\u00e1 com o fotoiniciador para absorver o comprimento de onda correspondente da luz UV, resultando em uma diminui\u00e7\u00e3o da efici\u00eancia do fotoiniciador, juntamente com o impacto da agrega\u00e7\u00e3o de bloqueio de oxig\u00eanio, o que pode levar seriamente \u00e0 aus\u00eancia de polimeriza\u00e7\u00e3o do produto. Al\u00e9m disso, na pr\u00e1tica, a escolha do fotoiniciador tamb\u00e9m precisa corresponder \u00e0 cobertura do pigmento, \u00e0 dosagem, ao tamanho da part\u00edcula, etc, Tais como: a forte cobertura do pigmento \u00e9 uma absor\u00e7\u00e3o de luz relativamente forte, de modo que o fotoiniciador precisa usar parte da mesma concentra\u00e7\u00e3o de produtos com alta absorb\u00e2ncia, mas tamb\u00e9m \u00e9 apropriado aumentar a quantidade de fotoiniciador; a dosagem do pigmento correspondente \u00e0 quantidade de iniciador tamb\u00e9m precisa ser aumentada adequadamente; o tamanho da part\u00edcula do pigmento n\u00e3o favorece a penetra\u00e7\u00e3o da luz, de modo que o iniciador deve ser selecionado a partir de produtos com alta absorb\u00e2ncia na mesma concentra\u00e7\u00e3o ou a quantidade de iniciador deve ser aumentada adequadamente.<\/p>\n<p>Princ\u00edpio de correspond\u00eancia com a espessura do revestimento: inevitavelmente, o problema da espessura do revestimento \u00e9 encontrado na aplica\u00e7\u00e3o pr\u00e1tica, o fotoiniciador para revestimentos espessos deve garantir que o princ\u00edpio da sele\u00e7\u00e3o de profundidade leve em conta a camada superficial, o uso de fotoiniciador de comprimento de onda longo e a combina\u00e7\u00e3o de fotoiniciador de comprimento de onda relativamente curto, a quantidade de iniciador combinado tamb\u00e9m precisa fazer os ajustes correspondentes de acordo com a espessura do produto final. Para revestimentos finos, deve-se prestar aten\u00e7\u00e3o especial \u00e0 quest\u00e3o do bloqueio de oxig\u00eanio. Na sele\u00e7\u00e3o de fotoiniciadores, pode-se considerar prefer\u00edvel ter um certo efeito de bloqueio de antioxida\u00e7\u00e3o do fotoiniciador do tipo captura de hidrog\u00eanio e do fotoiniciador do tipo craqueamento usados em conjunto com o aumento adequado da quantidade adicionada, a combina\u00e7\u00e3o mais t\u00edpica de 184 + BP, mas a quantidade adicionada n\u00e3o deve ser excessiva, pois o excesso \u00e9 propenso ao fen\u00f4meno da blindagem de luz.<br \/>\nPrinc\u00edpio de dosagem: seja uma fonte de luz de l\u00e2mpada de merc\u00fario ou uma fonte de luz UV-LED, o fotoiniciador no processo de aplica\u00e7\u00e3o real, al\u00e9m de considerar a correspond\u00eancia com a fonte de luz, tamb\u00e9m precisa considerar o impacto da absorb\u00e2ncia, a quantidade de aditivo e outros fatores. A quantidade de adi\u00e7\u00e3o para atender \u00e0s necessidades de polimeriza\u00e7\u00e3o como um princ\u00edpio b\u00e1sico, o fotoiniciador de alta atividade pode ser adicionado para reduzir a quantidade apropriada, o fotoiniciador de baixa atividade pode aumentar a quantidade apropriada, mas tamb\u00e9m o fotoiniciador de alta atividade e o fotoiniciador de baixa atividade podem ser usados em conjunto, ou seja, para atender \u00e0s necessidades de polimeriza\u00e7\u00e3o e equilibrar o custo da f\u00f3rmula. Aumentar a quantidade de fotoiniciador pode, de fato, melhorar a velocidade de cura, mas n\u00e3o adicionar mais \u00e9 melhor, adicionar demais trar\u00e1 muitos problemas, como a ocorr\u00eancia do fen\u00f4meno de blindagem de luz, o grau de acoplamento de radicais livres aumentado, a temperatura instant\u00e2nea de polimeriza\u00e7\u00e3o muito alta, resultando em deforma\u00e7\u00e3o do substrato sens\u00edvel ao calor, a velocidade de polimeriza\u00e7\u00e3o muito r\u00e1pida na ades\u00e3o do produto tem um impacto negativo, o encolhimento do volume aumenta a deforma\u00e7\u00e3o do produto, a redu\u00e7\u00e3o do peso molecular do produto final, o decl\u00ednio geral das propriedades mec\u00e2nicas, o aumento dos custos de mat\u00e9ria-prima, o decl\u00ednio da resist\u00eancia ao envelhecimento, o agravamento do amarelamento do produto final etc.A redu\u00e7\u00e3o da quantidade de fotoiniciador pode trazer problemas diretos de polimeriza\u00e7\u00e3o insuficiente, aumento do consumo de energia, falha no desempenho do produto final, etc.<\/p>\n<p>Bernhard Steyrer et al. usaram uma impressora 3D (DLP) de 405 nm para comparar os espectros de absor\u00e7\u00e3o de UV de Ivocerin (Bis (4-metoxibenzoil) dietilgerm\u00e2nio, BAPO (819) e TPO-L (os espectros de absor\u00e7\u00e3o de UV de tr\u00eas fotoiniciadores s\u00e3o mostrados na Figura 11, sob as mesmas condi\u00e7\u00f5es, Ivocerin e BAPO t\u00eam maior absor\u00e7\u00e3o em compara\u00e7\u00e3o com TPOL sob as mesmas condi\u00e7\u00f5es). O Ivocerin e o BAPO apresentaram alta atividade de fotoiniciador em baixas concentra\u00e7\u00f5es e, quando a adi\u00e7\u00e3o de fotoiniciador foi aumentada, o Ivocerin e o BAPO apresentaram uma prote\u00e7\u00e3o contra a luz mais evidente, o que afetou negativamente o desempenho do produto final.<\/p>\n<p>Outros princ\u00edpios (princ\u00edpio da solubilidade, princ\u00edpio da combina\u00e7\u00e3o, princ\u00edpio da seguran\u00e7a, princ\u00edpio do pre\u00e7o).<br \/>\nPrinc\u00edpio da solubilidade, diferentes resinas monom\u00e9ricas t\u00eam solubilidade diferente para fotoiniciadores, diferentes fotoiniciadores t\u00eam solubilidade diferente na mesma resina ou mon\u00f4mero, e a solubilidade do mesmo iniciador na mesma resina ou mon\u00f4mero tamb\u00e9m pode ser diferente em diferentes \u00e9pocas. A solubilidade dos fotoiniciadores geralmente pode ser resolvida ajustando-se o tipo de resina e mon\u00f4mero, bem como a quantidade de fotoiniciador adicionada. Atualmente, a solubilidade dos fotoiniciadores de radicais livres comerciais convencionais s\u00e3o variedades relativamente ruins: 369, 819, PBZ, etc.<\/p>\n<p>Princ\u00edpio de combina\u00e7\u00e3o: cada fotoiniciador tem suas vantagens e desvantagens exclusivas, como o amplamente utilizado 1173, embora a atividade de fotoinicia\u00e7\u00e3o seja alta, barata e tenha boa compatibilidade com o mon\u00f4mero de resina, mas seu comprimento de onda de absor\u00e7\u00e3o de luz \u00e9 curto, o fundo de revestimento espesso \u00e9 seco e deficiente, tem odor e \u00e9 f\u00e1cil de volatilizar. Em um entendimento completo das vantagens e desvantagens de cada fotoiniciador e, em seguida, combinados de forma eficaz com o uso dos resultados, muitas vezes \u00e9 poss\u00edvel obter 1 + 1 &gt; 2. A combina\u00e7\u00e3o com o uso do princ\u00edpio geral de comprimentos de onda complementares, tipos de complementares, tipos de combina\u00e7\u00f5es cl\u00e1ssicas simplificadas e comuns s\u00e3o: 184 + BP, TPO + 184, 819 + 1173, ITX + 907, BP + EMK, etc.<\/p>\n<p>Princ\u00edpios de seguran\u00e7a, os atuais fotoiniciadores comerciais s\u00e3o mais ou menos prejudiciais aos seres humanos, no uso do processo deve-se tentar evitar o uso de odor, vol\u00e1teis, f\u00e1ceis de sublimar o produto, al\u00e9m dos detritos gerados ap\u00f3s a exposi\u00e7\u00e3o, os res\u00edduos e as quest\u00f5es de migra\u00e7\u00e3o tamb\u00e9m devem ser considerados ao projetar a formula\u00e7\u00e3o, especialmente a aplica\u00e7\u00e3o final em embalagens de alimentos, embalagens de cosm\u00e9ticos, embalagens farmac\u00eauticas e outros produtos em contato pr\u00f3ximo com o corpo humano. Em compara\u00e7\u00e3o com os fotoiniciadores tradicionais de mol\u00e9culas pequenas, os fotoiniciadores de mol\u00e9culas grandes e os fotoiniciadores polimeriz\u00e1veis s\u00e3o relativamente muito mais seguros e podem ser considerados para uso em alguns setores que s\u00e3o sens\u00edveis aos requisitos de seguran\u00e7a. No momento, os fotoiniciadores comerciais de mol\u00e9culas pequenas t\u00eam uma seguran\u00e7a relativamente alta 2959 e CQ (quinona de c\u00e2nfora).<\/p>\n<p>Princ\u00edpio do pre\u00e7o, nos \u00faltimos anos, com o surgimento frequente de pol\u00edticas de prote\u00e7\u00e3o ambiental, v\u00e1rias mat\u00e9rias-primas qu\u00edmicas mostraram graus variados de escassez, ind\u00fastria de fotoiniciadores em 2017, existem produtos individuais dispon\u00edveis ao pre\u00e7o da situa\u00e7\u00e3o, portanto, no projeto de formula\u00e7\u00e3o deve sempre prestar aten\u00e7\u00e3o \u00e0s mudan\u00e7as de pre\u00e7o no mercado e preparar um plano de backup. Embora a maximiza\u00e7\u00e3o dos lucros do produto seja a busca das pessoas, mas \u00e0s vezes n\u00e3o \u00e9 quanto mais barato o pre\u00e7o, maior o lucro, para garantir a qualidade do produto sob a premissa de tentar escolher um fotoiniciador de baixo custo para projetar produtos econ\u00f4micos reconhecidos por todos.<\/p>\n<h2><\/h2>\n<p><!-- lc-commercial-start --><\/p>\n<h2>A practical selection route for photoinitiator-related projects<\/h2>\n<p>When technical buyers or formulators screen photoinitiators, the most useful decision frame is usually cure quality plus application fit: which package cures reliably, keeps appearance acceptable, and still works under the lamp, film thickness, and substrate conditions of the actual process.<\/p>\n<ul>\n<li><strong>Match the package to the lamp first:<\/strong> mercury lamps, UV LEDs, and visible-light systems can rank the same photoinitiators very differently.<\/li>\n<li><strong>Check depth cure and surface cure separately:<\/strong> a film that feels dry on top can still be weak underneath.<\/li>\n<li><strong>Balance yellowing with reactivity:<\/strong> the strongest deep-cure route is not always the best commercial choice if color or migration risk becomes unacceptable.<\/li>\n<li><strong>Use the final formula as the benchmark:<\/strong> pigment load, monomer package, and film thickness can all change the apparent ranking of the same initiator.<\/li>\n<\/ul>\n<h3>Recommended product references<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-tpo-l-cas-84434-11-7\/\">CHLUMINIT TPO-L<\/a>:<\/strong> A strong low-yellowing reference for LED-oriented UV systems.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/cas-270586-78-2\/\">CHLUMINIT TMO<\/a>:<\/strong> A valuable comparison point when lower yellowing or TPO-replacement discussions matter.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-819-irgacure-819-cas-162881-26-7\/\">CHLUMINIT 819<\/a>:<\/strong> Useful when a formulation needs stronger absorption and deeper cure support.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-184-cas-947-19-3\/\">CHLUMINIT 184<\/a>:<\/strong> A classic free-radical benchmark for fast surface cure in many UV systems.<\/li>\n<\/ul>\n<h3>FAQ for buyers and formulators<\/h3>\n<p><strong>Why are blended photoinitiator packages so common?<\/strong><br \/>Because one product may control yellowing or lamp fit well while another improves cure depth or line-speed performance, so the full package is often stronger than any single grade.<\/p>\n<p><strong>Should incomplete cure always be solved by adding more initiator?<\/strong><br \/>Not automatically. The real limitation may be the lamp, film thickness, pigment shading, or the rest of the reactive system rather than simple under-dosage.<\/p>\n<p><!-- lc-commercial-end --><\/p>\n<h2><strong><b>Entre em contato conosco agora!<\/b><\/strong><\/h2>\n<h4><strong><b>Se precisar do Price, preencha suas informa\u00e7\u00f5es de contato no formul\u00e1rio abaixo. Normalmente, entraremos em contato dentro de 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>\u00a0durante 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>&nbsp;<\/p>\n<table style=\"border-collapse: collapse; width: 435.77pt;\" border=\"0\" width=\"581\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt; width: 215.25pt;\" width=\"287\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-tpo-cas-75980-60-8\/\"><span style=\"color: #00ccff;\">Fotoiniciador TPO<\/span><\/a><\/td>\n<td style=\"width: 220.50pt;\" width=\"294\">CAS 75980-60-8<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/cas-270586-78-2\/\"><span style=\"color: #00ccff;\">Fotoiniciador TMO<\/span><\/a><\/td>\n<td>CAS 270586-78-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-pd-01-cas-579-07-7\/\"><span style=\"color: #00ccff;\">Fotoiniciador PD-01<\/span><\/a><\/td>\n<td>CAS 579-07-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-pbz-cas-2128-93-0\/\"><span style=\"color: #00ccff;\">Fotoiniciador PBZ<\/span><\/a><\/td>\n<td>CAS 2128-93-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-oxe-02-cas-478556-66-0\/\"><span style=\"color: #00ccff;\">Fotoiniciador OXE-02<\/span><\/a><\/td>\n<td>CAS 478556-66-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-ombb\/\"><span style=\"color: #00ccff;\">Fotoiniciador OMBB<\/span><\/a><\/td>\n<td>CAS 606-28-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-mpbz-6012\/\"><span style=\"color: #00ccff;\">Fotoiniciador MPBZ (6012)<\/span><\/a><\/td>\n<td>CAS 86428-83-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-mbp-cas-134-84-9\/\"><span style=\"color: #00ccff;\">Fotoiniciador MBP<\/span><\/a><\/td>\n<td>CAS 134-84-9<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-mbf-cas-15206-55-0\/\"><span style=\"color: #00ccff;\">Fotoiniciador MBF<\/span><\/a><\/td>\n<td>CAS 15206-55-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-lap-cas-85073-19-4\/\"><span style=\"color: #00ccff;\">Fotoiniciador LAP<\/span><\/a><\/td>\n<td>CAS 85073-19-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-itx-cas-5495-84-1\/\"><span style=\"color: #00ccff;\">Fotoiniciador ITX<\/span><\/a><\/td>\n<td>CAS 5495-84-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-emk\/\"><span style=\"color: #00ccff;\">Fotoiniciador EMK<\/span><\/a><\/td>\n<td>CAS 90-93-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-eha-cas-21245-02-3\/\"><span style=\"color: #00ccff;\">Fotoiniciador EHA<\/span><\/a><\/td>\n<td>CAS 21245-02-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-edb-cas-10287-53-3\/\"><span style=\"color: #00ccff;\">Fotoiniciador EDB<\/span><\/a><\/td>\n<td>CAS 10287-53-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-detx-cas-82799-44-8\/\"><span style=\"color: #00ccff;\">Fotoiniciador DETX<\/span><\/a><\/td>\n<td>CAS 82799-44-8<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-cq\/\"><span style=\"color: #00ccff;\">Fotoiniciador CQ \/ canforoquinona<\/span><\/a><\/td>\n<td>CAS 10373-78-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-cbp-cas-134-85-0\/\"><span style=\"color: #00ccff;\">Fotoiniciador CBP<\/span><\/a><\/td>\n<td>CAS 134-85-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-bp-cas-119-61-9\/\"><span style=\"color: #00ccff;\">Fotoiniciador BP \/ Benzofenona<\/span><\/a><\/td>\n<td>CAS 119-61-9<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-bms\/\"><span style=\"color: #00ccff;\">Fotoiniciador BMS<\/span><\/a><\/td>\n<td>CAS 83846-85-9<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-938\/\"><span style=\"color: #00ccff;\">Fotoiniciador 938<\/span><\/a><\/td>\n<td>CAS 61358-25-6<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-937-cas-71786-70-4\/\"><span style=\"color: #00ccff;\">Fotoiniciador 937<\/span><\/a><\/td>\n<td>CAS 71786-70-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-819-dw\/\"><span style=\"color: #00ccff;\">Fotoiniciador 819 DW<\/span><\/a><\/td>\n<td>CAS 162881-26-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-819-irgacure-819-cas-162881-26-7\/\"><span style=\"color: #00ccff;\">Fotoiniciador 819<\/span><\/a><\/td>\n<td>CAS 162881-26-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-784-cas-125051-32-3\/\"><span style=\"color: #00ccff;\">Fotoiniciador 784<\/span><\/a><\/td>\n<td>CAS 125051-32-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-754-cas-211510-16-6-442536-99-4\/\"><span style=\"color: #00ccff;\">Fotoiniciador 754<\/span><\/a><\/td>\n<td>CAS 211510-16-6 442536-99-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-6993-cas-71449-78-0\/\"><span style=\"color: #00ccff;\">Fotoiniciador 6993<\/span><\/a><\/td>\n<td>CAS 71449-78-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-6976\/\"><span style=\"color: #00ccff;\">Fotoiniciador 6976<\/span><\/a><\/td>\n<td>CAS 71449-78-0 89452-37-9 108-32-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-379-cas-119344-86-4\/\"><span style=\"color: #00ccff;\">Fotoiniciador 379<\/span><\/a><\/td>\n<td>CAS 119344-86-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-369-cas-119313-12-1\/\"><span style=\"color: #00ccff;\">Fotoiniciador 369<\/span><\/a><\/td>\n<td>CAS 119313-12-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" 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matching the principle with<\/p>","protected":false},"author":1,"featured_media":4174,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-5249","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>2025 The Complete Guide To Principles of free radical photoinitiator application - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"Photoinitiator as one of the key raw materials in the photopolymerization formula, there are some common principles to pay attention to when formulating...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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