{"id":5649,"date":"2022-10-04T12:14:57","date_gmt":"2022-10-04T12:14:57","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5649"},"modified":"2022-10-04T12:14:57","modified_gmt":"2022-10-04T12:14:57","slug":"what-is-the-difference-between-light-curing-coatings-and-solvent-based-coatings","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/pt\/what-is-the-difference-between-light-curing-coatings-and-solvent-based-coatings\/","title":{"rendered":"Qual \u00e9 a diferen\u00e7a entre os revestimentos de cura por luz e os revestimentos \u00e0 base de solvente?"},"content":{"rendered":"<h1><strong>Qual \u00e9 a diferen\u00e7a entre os revestimentos de cura por luz e os revestimentos \u00e0 base de solvente?<\/strong><\/h1>\n<p>O revestimento fotopolimeriz\u00e1vel \u00e9 um material eficiente, ecologicamente correto, de alta qualidade e que economiza energia, e a tecnologia relacionada tem se desenvolvido rapidamente nos \u00faltimos anos devido \u00e0s suas boas caracter\u00edsticas.<\/p>\n<p>Os principais componentes dos revestimentos fotopolimeriz\u00e1veis geralmente incluem: fotoiniciadores, diluentes ativos, olig\u00f4meros e v\u00e1rios aditivos. Os revestimentos fotopolimeriz\u00e1veis sofrem rea\u00e7\u00f5es fotoqu\u00edmicas sob irradia\u00e7\u00e3o de luz, o que \u00e9 diferente do papel das subst\u00e2ncias termoquimicamente reativas. \u00c9 por esse motivo que as propriedades do revestimento fotopolimeriz\u00e1vel tamb\u00e9m s\u00e3o diferentes.<\/p>\n<p>As caracter\u00edsticas da tecnologia de fotopolimeriza\u00e7\u00e3o.<\/p>\n<p>1. A fotopolimeriza\u00e7\u00e3o s\u00f3 precisa ser realizada em temperatura ambiente, o que pode atender \u00e0 constru\u00e7\u00e3o de produtos que n\u00e3o s\u00e3o adequados para o m\u00e9todo de aquecimento e secagem.<\/p>\n<p>Os revestimentos convencionais \u00e0 base de solvente levam horas ou at\u00e9 dias para secar. Os produtos fotopolimerizados s\u00e3o mais produtivos, economizam espa\u00e7o para empilhar produtos semiacabados e atendem melhor \u00e0s exig\u00eancias da produ\u00e7\u00e3o automatizada em larga escala. Ao mesmo tempo, a qualidade dos produtos fotopolimerizados tamb\u00e9m \u00e9 mais f\u00e1cil de garantir.<\/p>\n<p>2. Al\u00e9m do aumento da produtividade e da economia de energia, a tecnologia de fotopolimeriza\u00e7\u00e3o tamb\u00e9m permite n\u00edveis mais altos de qualidade do revestimento, como propriedades mec\u00e2nicas e brilho.<\/p>\n<p>Em compara\u00e7\u00e3o com os revestimentos \u00e0 base de solvente, a energia de cura por luz UV utilizada \u00e9 equivalente a apenas 1\/10~1\/5 da primeira, os revestimentos de cura por luz em temperatura ambiente e as caracter\u00edsticas de cura r\u00e1pida a frio tamb\u00e9m s\u00e3o incompar\u00e1veis com outros revestimentos. Os revestimentos do tipo \"baking\" e os revestimentos em p\u00f3 precisam ser aquecidos ap\u00f3s a pintura para promover a evapora\u00e7\u00e3o do solvente e a rea\u00e7\u00e3o de reticula\u00e7\u00e3o qu\u00edmica.<\/p>\n<p>3. Devido ao sistema \"sem\" solvente, os usu\u00e1rios n\u00e3o precisam instalar instala\u00e7\u00f5es de esgoto caras.<\/p>\n<p>Os revestimentos convencionais \u00e0 base de solvente geralmente cont\u00eam 30% a 70% de solventes inertes, que quase todos evaporam na atmosfera quando o filme seca, causando riscos ambientais consider\u00e1veis.<\/p>\n<p>Al\u00e9m disso, a fotopolimeriza\u00e7\u00e3o requer apenas a energia de radia\u00e7\u00e3o usada para excitar o fotoiniciador, ao contr\u00e1rio da fotopolimeriza\u00e7\u00e3o t\u00e9rmica tradicional, que requer o aquecimento do substrato, do material, do espa\u00e7o ao redor e da evapora\u00e7\u00e3o para remover o calor da \u00e1gua ou dos solventes org\u00e2nicos usados para a dilui\u00e7\u00e3o, economizando assim muita energia.<\/p>\n<p>Aplica\u00e7\u00f5es da tecnologia de fotopolimeriza\u00e7\u00e3o.<\/p>\n<p>Qu\u00edmica, mec\u00e2nica, eletr\u00f4nica, ind\u00fastria leve, comunica\u00e7\u00f5es, automotiva e outros campos. Os revestimentos fotopolimeriz\u00e1veis incluem bambu, pisos de madeira, pain\u00e9is decorativos, m\u00f3veis e outros revestimentos de madeira UV; pe\u00e7as automotivas, instrumentos, CDs, pain\u00e9is decorativos, cart\u00f5es de cr\u00e9dito e outros revestimentos pl\u00e1sticos UV; ferrugem de a\u00e7o, a\u00e7o com revestimento colorido, latas de ferro impressas, latas e outros revestimentos de metal UV; papel decorativo, revestimento de superf\u00edcie escrita.<\/p>\n<p>Os revestimentos fotopolimeriz\u00e1veis reduzem a polui\u00e7\u00e3o do ar, o perigo para os seres humanos e o risco de inc\u00eandio. A produ\u00e7\u00e3o de revestimentos fotopolimeriz\u00e1veis cresceu rapidamente nos \u00faltimos anos. As informa\u00e7\u00f5es mostram que, em 2011, a produ\u00e7\u00e3o de revestimentos fotopolimeriz\u00e1veis da China foi de 75.177 toneladas, um aumento de 39% em rela\u00e7\u00e3o a 2010, um aumento de 131% em rela\u00e7\u00e3o a 2007. Por ser uma \"tecnologia verde\" ecologicamente correta, os revestimentos fotopolimeriz\u00e1veis s\u00e3o uma tecnologia priorit\u00e1ria nos Estados Unidos, na Europa, no Jap\u00e3o etc., mas tamb\u00e9m est\u00e3o alinhados com as necessidades crescentes do p\u00fablico na China.<\/p>","protected":false},"excerpt":{"rendered":"<p>Qual \u00e9 a diferen\u00e7a entre os revestimentos fotopolimeriz\u00e1veis e os revestimentos \u00e0 base de solvente? O revestimento fotopolimeriz\u00e1vel \u00e9 um material eficiente, ecologicamente correto, de alta qualidade e que economiza energia, e a tecnologia relacionada tem se desenvolvido rapidamente nos \u00faltimos anos devido \u00e0s suas boas caracter\u00edsticas. Os principais componentes dos revestimentos fotopolimeriz\u00e1veis geralmente incluem: fotoiniciadores, diluentes ativos, olig\u00f4meros e v\u00e1rios aditivos. Os revestimentos fotopolimeriz\u00e1veis passam por [...]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-5649","post","type-post","status-publish","format-standard","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 difference between light-curing coatings and solvent-based coatings? - 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\/what-is-the-difference-between-light-curing-coatings-and-solvent-based-coatings\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is the difference between light-curing coatings and solvent-based coatings? - Longchang Chemical\" \/>\n<meta property=\"og:description\" content=\"What is the difference between light-curing coatings and solvent-based coatings? 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