{"id":7786,"date":"2024-12-25T14:19:45","date_gmt":"2024-12-25T14:19:45","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=7786"},"modified":"2026-04-28T09:55:31","modified_gmt":"2026-04-28T09:55:31","slug":"light-curing-plastic-coatings","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/pt\/light-curing-plastic-coatings\/","title":{"rendered":"Revestimentos pl\u00e1sticos fotopolimeriz\u00e1veis"},"content":{"rendered":"<p><!-- lc-qa-start --><\/p>\n<p><strong>Quick answer:<\/strong> For practical formulation work, photoinitiator screening starts with the light source and film build, then checks yellowing, adhesion, and cure completeness under real production conditions.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p><strong>Revestimentos pl\u00e1sticos fotopolimeriz\u00e1veis<\/strong><\/p>\n<p>Atualmente, os materiais e processos continuam a colidir com a fus\u00e3o, dando origem a inova\u00e7\u00f5es ilimitadas. Os revestimentos de tinta fotopolimeriz\u00e1vel s\u00e3o como uma estrela brilhante da ci\u00eancia e da tecnologia, brilhando em muitas \u00e1reas, especialmente para a transforma\u00e7\u00e3o deslumbrante de produtos pl\u00e1sticos que fizeram grandes contribui\u00e7\u00f5es. Desde o transporte de pe\u00e7as de autom\u00f3veis nas ruas da cidade at\u00e9 a opera\u00e7\u00e3o precisa de todos os tipos de equipamentos; desde o transporte de uma enorme quantidade de informa\u00e7\u00f5es no CD-ROM at\u00e9 a decora\u00e7\u00e3o do espa\u00e7o dos pain\u00e9is decorativos; e at\u00e9 mesmo com o nosso consumo di\u00e1rio de cart\u00f5es de cr\u00e9dito intimamente relacionados, bem como aqueles amplamente utilizados no campo da tecnologia de ponta, equipamentos de metaliza\u00e7\u00e3o, os revestimentos fotopolimeriz\u00e1veis encontraram um lugar para uso, dando aos pl\u00e1sticos comuns originais caracter\u00edsticas extraordin\u00e1rias.<\/p>\n<p>\u00c9 como um feiticeiro m\u00e1gico que, agitando suavemente uma varinha m\u00e1gica, pode fazer com que o pl\u00e1stico brilhe com um brilho encantador, de modo que brilhe intensamente \u00e0 luz, melhorando instantaneamente a textura do produto. Al\u00e9m disso, a estabilidade \u00e0 luz do pl\u00e1stico foi bastante aprimorada, seja por um longo per\u00edodo exposto \u00e0 luz solar ou em um ambiente especial de luz forte, podendo manter a cor brilhante e a apar\u00eancia como a primeira, resistindo efetivamente ao envelhecimento causado pelo desbotamento, deforma\u00e7\u00e3o e outros problemas. A resist\u00eancia \u00e0 abras\u00e3o \u00e9 ainda melhor, pois o atrito di\u00e1rio e os arranh\u00f5es s\u00e3o inevit\u00e1veis, aumentando consideravelmente a vida \u00fatil dos produtos pl\u00e1sticos. Ao mesmo tempo, no n\u00edvel de prote\u00e7\u00e3o qu\u00edmica, os revestimentos fotopolimeriz\u00e1veis para pl\u00e1sticos usam uma camada de \"vestimenta protetora\" robusta, de modo a resistir \u00e0 eros\u00e3o de v\u00e1rias subst\u00e2ncias qu\u00edmicas, para garantir que o pl\u00e1stico no uso complexo da cena seja s\u00e3o e salvo.<\/p>\n<p>No entanto, assim como as falhas inevitavelmente aparecem no processo de escultura de um belo jade, os revestimentos de tinta fotopolimeriz\u00e1vel tamb\u00e9m encontrar\u00e3o algumas dificuldades durante o processamento. Como resultado de uma variedade de fatores complexos entrela\u00e7ados, inevitavelmente produzir\u00e3o alguns defeitos, esses defeitos s\u00e3o como pontos de \"manchas pretas\", de modo que o pl\u00e1stico originalmente, devido ao brilho, \u00e9 bastante reduzido, e a est\u00e9tica tamb\u00e9m \u00e9 afetada. Al\u00e9m disso, as pr\u00f3prias propriedades de resist\u00eancia a arranh\u00f5es, solventes e antienvelhecimento do pl\u00e1stico convencional, assim como uma fraca \"linha de defesa\", muitas vezes s\u00e3o dif\u00edceis de resistir ao mundo externo, incapazes de atender aos muitos cen\u00e1rios de aplica\u00e7\u00f5es especiais ou de alta qualidade dos requisitos rigorosos. Portanto, a decora\u00e7\u00e3o m\u00e9dica fina e a prote\u00e7\u00e3o abrangente das superf\u00edcies pl\u00e1sticas se tornaram uma quest\u00e3o fundamental no campo do processamento de pl\u00e1sticos atualmente.<\/p>\n<p>Explora\u00e7\u00e3o aprofundada do mundo dos substratos pl\u00e1sticos, que podem ser considerados uma grande variedade, cada um com suas pr\u00f3prias caracter\u00edsticas. Os mais comuns s\u00e3o o poliestireno (PS), o polimetilmetacrilato (PMMA), o cloreto de polivinila (PVC), o polietileno (PE), o polipropileno (PP), o poli\u00e9ster (PET), o policarbonato (PC), os pl\u00e1sticos de engenharia ABS e assim por diante. Suas propriedades de superf\u00edcie s\u00e3o t\u00e3o variadas quanto o car\u00e1ter humano, PET, PMMA, PS e outras superf\u00edcies de substrato t\u00eam uma certa polaridade, como se tivessem \"afinidade\", tornando os revestimentos fotopolimeriz\u00e1veis e podem ser mais suaves \"de m\u00e3os dadas\", os problemas de ades\u00e3o s\u00e3o relativamente Os problemas de ades\u00e3o s\u00e3o relativamente f\u00e1ceis de superar. No entanto, os substratos de PE e PP s\u00e3o muito diferentes, sua polaridade de superf\u00edcie \u00e9 extremamente baixa, como uma \"ilha\" fria, e os revestimentos fotopolimeriz\u00e1veis entre a exist\u00eancia de uma grande \"desconex\u00e3o\", com baixa ades\u00e3o. Diante desse dilema, pode-se dizer que pesquisadores e engenheiros quebraram a cabe\u00e7a para criar uma s\u00e9rie de maneiras engenhosas. Por exemplo, antes dos substratos de PE e PP para tratamento de corona, corros\u00e3o e outros tipos de polariza\u00e7\u00e3o, como se fosse uma ponte constru\u00edda para a \"ilha\", de modo que o revestimento possa ser embarcado com sucesso na ilha; ou, na f\u00f3rmula do revestimento, adicione cuidadosamente um promotor de ades\u00e3o, atuando como uma \"noiva\" entre os dois para promover sua estreita integra\u00e7\u00e3o. Em suma, a \"m\u00e1gica\" dos revestimentos fotopolimeriz\u00e1veis na superf\u00edcie de pl\u00e1sticos de baixa polaridade realmente precisa superar muitas dificuldades e se esfor\u00e7ar muito.<br \/>\nObserve os revestimentos fotopolimeriz\u00e1veis em diferentes formatos de pl\u00e1sticos no m\u00e9todo de revestimento, que tamb\u00e9m \u00e9 bastante delicado. Para pe\u00e7as pl\u00e1sticas planas, incluindo tubos comuns, o m\u00e9todo de revestimento com rolo \u00e9 como um pintor habilidoso nas m\u00e3os do pincel, pode ser uniforme, com revestimento suave na superf\u00edcie do pl\u00e1stico, para garantir que todos os locais sejam perfeitamente cobertos. As pe\u00e7as pl\u00e1sticas de formato tridimensional s\u00e3o como uma escultura requintada; o m\u00e9todo de pulveriza\u00e7\u00e3o \u00e9 mais adapt\u00e1vel ao seu formato complexo, como uma chuva fina de primavera, a tinta \u00e9 borrifada uniformemente em todos os cantos, para obter uma gama completa de decora\u00e7\u00e3o e prote\u00e7\u00e3o.<\/p>\n<p>Vale a pena mencionar que o pr\u00f3prio revestimento pl\u00e1stico fotopolimeriz\u00e1vel tem um \"pequeno temperamento\" \u00fanico. Sua viscosidade geralmente \u00e9 baixa, em torno de algumas centenas de milipascals\u30fbsegundos (mPa\u30fbs), como uma mola transparente com excelente fluidez. Para otimizar ainda mais o desempenho do revestimento, os formuladores geralmente adicionam uma pequena quantidade de aditivos de nivelamento \u00e0 base de silicone, que atuam como lubrificantes, dando ao revestimento propriedades extraordin\u00e1rias de nivelamento, tornando a superf\u00edcie do pl\u00e1stico fotopolimeriz\u00e1vel t\u00e3o plana e lisa quanto um espelho, garantindo a obten\u00e7\u00e3o de efeitos decorativos de alta qualidade.<\/p>\n<p>O material de piso de PVC, por exemplo, esse tipo de pe\u00e7as pl\u00e1sticas na cura do revestimento, resistente ao desgaste e com desempenho antirriscos, tem requisitos muito altos, afinal, ele precisa suportar o atrito e o piso di\u00e1rio frequente. Nesse ponto, a escolha da f\u00f3rmula do revestimento \u00e9 fundamental. Elas devem ser selecionadas ap\u00f3s a cura da textura do olig\u00f4mero duro e do diluente ativo, pois s\u00e3o como a \"pedra angular\" da constru\u00e7\u00e3o de uma fortaleza protetora de pl\u00e1stico, s\u00f3lida e confi\u00e1vel. Ao mesmo tempo, ajuste razo\u00e1vel da propor\u00e7\u00e3o de componentes duros e componentes flex\u00edveis, como a mistura de uma sinfonia perfeita, de modo que as v\u00e1rias partes do poder sin\u00e9rgico. Em seguida, adicione os enchimentos inorg\u00e2nicos e os nanomateriais apropriados. Esses \"oligoelementos\" podem fortalecer ainda mais a resist\u00eancia ao desgaste do pl\u00e1stico, de modo que sua resist\u00eancia \u00e0 abras\u00e3o d\u00ea um salto qualitativo e, no processo de uso prolongado, ainda possa se manter limpo como novo.<\/p>\n<p>Olhando para o futuro, com o progresso cont\u00ednuo da ci\u00eancia dos materiais, podemos tamb\u00e9m assumir com ousadia: Se os pesquisadores conseguirem desenvolver um novo sistema de revestimento fotopolimeriz\u00e1vel, ele n\u00e3o s\u00f3 ser\u00e1 capaz de se adaptar perfeitamente a todos os tipos de substratos pl\u00e1sticos, independentemente da polaridade da alta e da baixa, mas tamb\u00e9m de acordo com as necessidades espec\u00edficas de diferentes produtos pl\u00e1sticos, com o ajuste inteligente de sua pr\u00f3pria dureza, flexibilidade, brilho e outras propriedades, ele trar\u00e1 que tipo de mudan\u00e7as revolucion\u00e1rias no setor de processamento de pl\u00e1sticos? Que tipo de mudan\u00e7as revolucion\u00e1rias ele trar\u00e1 para o setor de processamento de pl\u00e1sticos? Sem d\u00favida, isso simplificar\u00e1 muito o processo de produ\u00e7\u00e3o, reduzir\u00e1 os custos de produ\u00e7\u00e3o e elevar\u00e1 a qualidade e o desempenho dos produtos pl\u00e1sticos a um novo patamar. Acredita-se que, em um futuro pr\u00f3ximo, com o aprofundamento da pesquisa, essa bela vis\u00e3o dever\u00e1 se tornar realidade.<\/p>\n<p>Al\u00e9m disso, a fim de facilitar o setor na produ\u00e7\u00e3o real de refer\u00eancia, a Tabela 1 a Tabela 17 lista os detalhes de diferentes f\u00f3rmulas de refer\u00eancia de revestimentos fotopolimeriz\u00e1veis de substrato pl\u00e1stico, essas f\u00f3rmulas s\u00e3o a coes\u00e3o da sabedoria e da experi\u00eancia pr\u00e1tica de in\u00fameros pesquisadores cient\u00edficos, abrindo as portas para a aplica\u00e7\u00e3o de revestimentos pl\u00e1sticos fotopolimeriz\u00e1veis de valor inestim\u00e1vel.<\/p>\n<table style=\"border-collapse: collapse; width: 192.03pt;\" border=\"0\" width=\"256\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt; width: 138.00pt;\" width=\"184\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-bp-cas-119-61-9\/\"><span style=\"color: #00ccff;\">Fotoiniciador BP<\/span><\/a><\/td>\n<td class=\"et3\" style=\"width: 54.00pt;\" align=\"right\" width=\"72\">3.00%<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\">N-Metildietanolamina<\/td>\n<td class=\"et3\" align=\"right\">2.00%<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" 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 class=\"et3\" align=\"right\">1.00%<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\">Mon\u00f4mero EO-TMPTA<\/td>\n<td class=\"et3\" align=\"right\">85.50%<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/cas-13048-33-4\/\"><span style=\"color: #00ccff;\">Mon\u00f4mero HDDA<\/span><\/a><\/td>\n<td class=\"et3\" align=\"right\">9.50%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<table style=\"border-collapse: collapse; width: 192.03pt;\" border=\"0\" width=\"256\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt; width: 138.00pt;\" width=\"184\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-184-cas-947-19-3\/\"><span style=\"color: #00ccff;\">Fotoiniciador 184<\/span><\/a><\/td>\n<td class=\"et3\" style=\"width: 54.00pt;\" width=\"72\">2.00%<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\">Mon\u00f4mero de DPPA<\/td>\n<td class=\"et3\">30.00%<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/tmpta-cas-15625-89-5\/\"><span style=\"color: #00ccff;\">Mon\u00f4mero de TMPTA<\/span><\/a><\/td>\n<td class=\"et3\">30.00%<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\">Mon\u00f4mero EDGDA<\/td>\n<td class=\"et4\">20.00%<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\">\u00e1lcool furfur\u00edlico<\/td>\n<td class=\"et4\">5.00%<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\">KH-570<\/td>\n<td class=\"et5\">100%<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\">S\u00edlica gel em p\u00f3<\/td>\n<td class=\"et4\">70.00%<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\">Agente de nivelamento<\/td>\n<td class=\"et4\">0.03%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<table style=\"border-collapse: collapse; width: 323.27pt;\" border=\"0\" width=\"431\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt; width: 269.25pt;\" width=\"359\" 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 class=\"et3\" style=\"width: 54.00pt;\" width=\"72\">1.00%<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" 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<\/span><\/a><\/td>\n<td class=\"et3\">5.00%<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\">Acrilato terci\u00e1rio de am\u00f4nio modificado<\/td>\n<td class=\"et3\">4.00%<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\">Acrilatos de uretano alif\u00e1tico<\/td>\n<td class=\"et4\">70.00%<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\">NVP<\/td>\n<td class=\"et4\">10.00%<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\">Acrilatos monofuncionais alif\u00e1ticos<\/td>\n<td class=\"et5\">10%<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\">Agente de nivelamento<\/td>\n<td class=\"et4\">1.00%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\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-184-cas-947-19-3\/\">CHLUMINIT 184<\/a>:<\/strong> A classic free-radical benchmark for fast surface cure in many UV systems.<\/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\/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\/chlumiag-3000\/\">CHLUMIAG 3000<\/a>:<\/strong> A practical leveling and anti-sticking reference in UV coating and ink-related 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>","protected":false},"excerpt":{"rendered":"<p>In today&#8217;s materials and processes continue to collide with the fusion, giving rise to unlimited innovation, light-curing ink coatings like a shining star of science and technology, glittering in many<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[185],"tags":[],"class_list":["post-7786","post","type-post","status-publish","format-standard","hentry","category-photoinitiator"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Light-curing plastic coatings - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"In today&#039;s materials and processes continue to collide with the fusion, giving rise to unlimited innovation, light-curing ink coatings like a shining st...\" \/>\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\/light-curing-plastic-coatings\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Light-curing plastic coatings - 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