{"id":7722,"date":"2024-12-12T12:41:14","date_gmt":"2024-12-12T12:41:14","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=7722"},"modified":"2026-04-28T10:42:44","modified_gmt":"2026-04-28T10:42:44","slug":"irgacure-819-and-pegda-monomer-in-3d-printing","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/pt\/irgacure-819-and-pegda-monomer-in-3d-printing\/","title":{"rendered":"Mon\u00f4mero Irgacure 819 e PEGDA na impress\u00e3o 3D"},"content":{"rendered":"<p>O fotoiniciador 819 e o mon\u00f4mero PEGDA est\u00e3o desempenhando um papel cada vez mais importante na impress\u00e3o 3D. Para as f\u00e1bricas que usam o fotoiniciador 819 e o mon\u00f4mero PEGDA na impress\u00e3o 3D, uma compreens\u00e3o mais profunda de suas propriedades e dos pontos principais de sua aplica\u00e7\u00e3o \u00e9 crucial para melhorar a qualidade e a efici\u00eancia da impress\u00e3o. Neste artigo, discutiremos a aplica\u00e7\u00e3o do fotoiniciador 819 e do mon\u00f4mero PEGDA na impress\u00e3o 3D, analisaremos o mist\u00e9rio e forneceremos solu\u00e7\u00f5es pr\u00e1ticas.<\/p>\n<p>Primeiro, introdu\u00e7\u00e3o do fotoiniciador 819 e do mon\u00f4mero PEGDA<\/p>\n<p>(A) Propriedades do mon\u00f4mero PEGDA<\/p>\n<p>O diacrilato de poli (etilenoglicol) (PEG - DA), especialmente o peso molecular de 250 PEG - DA, tem uma posi\u00e7\u00e3o exclusiva em materiais de impress\u00e3o 3D. Ele tem excelente biocompatibilidade e propriedades f\u00edsico-qu\u00edmicas ajust\u00e1veis que permitem que ele seja adaptado a uma ampla gama de necessidades de impress\u00e3o 3D. Por exemplo, no campo biom\u00e9dico da impress\u00e3o de andaimes de engenharia de tecidos, o PEG-DA pode proporcionar um ambiente adequado para o crescimento celular, e seu grau ajust\u00e1vel de liga\u00e7\u00e3o cruzada pode controlar a porosidade e as propriedades mec\u00e2nicas do andaime.<\/p>\n<p>(ii) Papel do fotoiniciador 819<\/p>\n<p>O fotoiniciador 819 (Irgacure - 819) desempenha um papel fundamental no in\u00edcio da rea\u00e7\u00e3o de fotopolimeriza\u00e7\u00e3o no processo de impress\u00e3o 3D. Quando dissolvido em PEG - DA em uma concentra\u00e7\u00e3o de 0,2% p\/p\/vol, sob um comprimento de onda espec\u00edfico de luz, o fotoiniciador 819 pode absorver a energia dos f\u00f3tons e gerar radicais livres, desencadeando assim a rea\u00e7\u00e3o de polimeriza\u00e7\u00e3o entre os mon\u00f4meros PEG - DA, de modo que a resina l\u00edquida seja curada gradualmente. Esse processo precisa ser preparado no escuro para evitar rea\u00e7\u00f5es espont\u00e2neas com a luz ambiente e para garantir que o fotoiniciador inicie com precis\u00e3o a rea\u00e7\u00e3o de polimeriza\u00e7\u00e3o sob as condi\u00e7\u00f5es de luz esperadas.<\/p>\n<p>Segundo, a an\u00e1lise de problemas no processo de impress\u00e3o<\/p>\n<p>(A) problemas de qualidade e precis\u00e3o da superf\u00edcie<\/p>\n<p>Na opera\u00e7\u00e3o real de impress\u00e3o 3D, frequentemente encontramos qualidade e precis\u00e3o de superf\u00edcie insatisfat\u00f3rias. Por exemplo, em uma de minhas tentativas de impress\u00e3o, imprimi um modelo sem substituir o recipiente de resina e a placa de constru\u00e7\u00e3o, e descobri que a rugosidade da superf\u00edcie era grande e a estrutura fina do modelo n\u00e3o foi renderizada com precis\u00e3o. Isso pode ser devido \u00e0 distribui\u00e7\u00e3o desigual da concentra\u00e7\u00e3o do fotoiniciador 819. Durante o processo de mistura da resina, se a resina n\u00e3o for suficientemente bem agitada, a concentra\u00e7\u00e3o do fotoiniciador em \u00e1reas locais ser\u00e1 muito alta ou muito baixa, o que levar\u00e1 a uma taxa de rea\u00e7\u00e3o de polimeriza\u00e7\u00e3o inconsistente, afetando assim a qualidade e a precis\u00e3o da superf\u00edcie.<\/p>\n<p>(ii) Falha na impress\u00e3o do canal<\/p>\n<p>Mais grave \u00e9 o problema de falha na impress\u00e3o do canal. Por exemplo, um canal com um di\u00e2metro de 1 mm no design n\u00e3o foi impresso com sucesso. Isso pode ser devido \u00e0 falta de fluidez da resina; a viscosidade da resina ap\u00f3s a mistura do mon\u00f4mero PEG-DA com o fotoiniciador 819 pode ser afetada por v\u00e1rios fatores, como temperatura, concentra\u00e7\u00e3o do fotoiniciador etc. Se a viscosidade da resina for muito alta, a resina n\u00e3o conseguir\u00e1 imprimir. Se a viscosidade da resina for muito alta, ser\u00e1 dif\u00edcil para a resina preencher a estrutura de canais finos sem problemas durante o processo de impress\u00e3o, resultando em impress\u00f5es de canais ausentes.<\/p>\n<p>III. Solu\u00e7\u00f5es e estrat\u00e9gias de otimiza\u00e7\u00e3o<\/p>\n<p>(i) Otimiza\u00e7\u00e3o do processo de mistura<\/p>\n<p>Para garantir a distribui\u00e7\u00e3o uniforme do fotoiniciador 819 no mon\u00f4mero PEG-DA, deve-se usar um processo de mistura mais preciso. Por exemplo, um misturador de alta velocidade deve ser usado para misturar a uma velocidade e tempo espec\u00edficos, e a ultrassonografia deve ser realizada ap\u00f3s a mistura para quebrar ainda mais as part\u00edculas aglomeradas que possam estar presentes. Foi demonstrado que a dispers\u00e3o dos fotoiniciadores \u00e9 significativamente melhorada em resinas que foram submetidas a ultrassom por 15 a 30 minutos, e a qualidade da superf\u00edcie dos modelos impressos \u00e9 significativamente melhorada.<\/p>\n<p>(ii) Ajuste das propriedades da resina<\/p>\n<p>Para resolver o problema da fluidez insuficiente da resina, a f\u00f3rmula da resina pode ser ajustada. Por um lado, a concentra\u00e7\u00e3o do fotoiniciador 819 pode ser adequadamente reduzida para diminuir o grau de reticula\u00e7\u00e3o da resina em uma determinada faixa, reduzindo assim a viscosidade. Por outro lado, a resina UV pode ser substitu\u00edda, o mon\u00f4mero PEGDA \u00e9 curado com LED de 385 nm e pode ser substitu\u00eddo por mon\u00f4mero UV de cura a laser de 405 nm.<\/p>\n<p>Compartilhamento de casos e experi\u00eancias<\/p>\n<p>Na produ\u00e7\u00e3o real de uma f\u00e1brica de impress\u00e3o 3D, eles tamb\u00e9m encontraram problemas semelhantes. Ao usar o fotoiniciador 819 e o mon\u00f4mero PEGDA para imprimir pe\u00e7as com estruturas complexas, a qualidade e a precis\u00e3o da superf\u00edcie n\u00e3o atendiam aos requisitos do cliente, e os pequenos canais internos eram frequentemente bloqueados. O processo de mistura foi otimizado com a combina\u00e7\u00e3o de mistura em v\u00e1rios est\u00e1gios e ultrassom, enquanto a formula\u00e7\u00e3o da resina foi ajustada para reduzir a concentra\u00e7\u00e3o do fotoiniciador 819 e adicionar uma pequena quantidade de diluente. Ap\u00f3s uma s\u00e9rie de ajustes, a superf\u00edcie das pe\u00e7as impressas ficou lisa, os canais internos est\u00e3o completos e limpos e a taxa de qualifica\u00e7\u00e3o do produto aumentou de 60% para 90%.<\/p>\n<p>&nbsp;<\/p>\n<p>Por meio da an\u00e1lise do fotoiniciador 819 e do mon\u00f4mero PEGDA na aplica\u00e7\u00e3o da impress\u00e3o 3D, aprendemos sobre suas caracter\u00edsticas, poss\u00edveis problemas encontrados no processo de impress\u00e3o e as solu\u00e7\u00f5es correspondentes. Para as f\u00e1bricas que usam o fotoiniciador 819 e o mon\u00f4mero PEGDA na impress\u00e3o 3D, esses pontos podem melhorar efetivamente a qualidade e a produtividade da impress\u00e3o. No futuro, \u00e0 medida que a ci\u00eancia dos materiais e a tecnologia de impress\u00e3o 3D continuarem a evoluir, o desempenho do fotoiniciador 819 e do mon\u00f4mero PEGDA poder\u00e1 ser ainda mais otimizado, abrindo ainda mais possibilidades para a impress\u00e3o 3D.<br \/>\nCaso tenha encontrado problemas durante o processo de impress\u00e3o 3D do fotoiniciador 819 e do mon\u00f4mero PEGDA, sinta-se \u00e0 vontade para compartilhar sua experi\u00eancia nos coment\u00e1rios abaixo, para que possamos explorar solu\u00e7\u00f5es melhores juntos.<\/p>\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-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\/irgacure-1173-cas-7473-98-5\/\">CHLUMINIT 1173<\/a>:<\/strong> A practical comparison point for classic short-wave UV initiation.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-itx-cas-5495-84-1\/\">CHLUMINIT ITX<\/a>:<\/strong> A useful long-wave support route in many printing-ink packages.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-cq\/\">CHLUMINIT CQ<\/a>:<\/strong> A direct reference for visible-light and color-sensitive curing discussions.<\/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<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<h4><strong><b>Se precisar do pre\u00e7o do fotoiniciador 819, preencha suas informa\u00e7\u00f5es de contato no formul\u00e1rio abaixo. Em geral, entraremos em contato com voc\u00ea 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>\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;\" height=\"18\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-160\/\">Fotoiniciador 160<\/a><\/span><\/td>\n<td>CAS 71868-15-0<\/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-1206\/\"><span style=\"color: #00ccff;\">Fotoiniciador 1206<\/span><\/a><\/td>\n<td><\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/irgacure-1173-cas-7473-98-5\/\"><span style=\"color: #00ccff;\">Fotoiniciador 1173<\/span><\/a><\/td>\n<td>CAS 7473-98-5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Photoinitiator 819 and PEGDA monomer are playing an increasingly important role in 3D printing. 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