{"id":7880,"date":"2025-02-03T10:00:24","date_gmt":"2025-02-03T10:00:24","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=7880"},"modified":"2026-04-28T09:55:33","modified_gmt":"2026-04-28T09:55:33","slug":"uv-gravure-ink-and-reference-formula","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/pt\/uv-gravure-ink-and-reference-formula\/","title":{"rendered":"Tinta para rotogravura UV e f\u00f3rmula de refer\u00eancia"},"content":{"rendered":"<p><!-- lc-qa-start --><\/p>\n<p><strong>Resposta r\u00e1pida:<\/strong> Para o trabalho pr\u00e1tico de formula\u00e7\u00e3o, a triagem do fotoiniciador come\u00e7a com a fonte de luz e a forma\u00e7\u00e3o do filme, verificando-se em seguida o amarelamento, a ades\u00e3o e a cura completa em condi\u00e7\u00f5es reais de produ\u00e7\u00e3o.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>Tinta para rotogravura UV e f\u00f3rmula de refer\u00eancia<\/p>\n<p>A viscosidade da tinta de rotogravura \u00e9 muito pequena, geralmente na faixa de 20 a 300mPa-s, para garantir que a tinta tenha um bom desempenho de transfer\u00eancia e obtenha excelente qualidade de impress\u00e3o. A rotogravura pode ser usada em uma ampla gama de aplica\u00e7\u00f5es, como papel, filme, folha de alum\u00ednio etc., e a velocidade de impress\u00e3o \u00e9 r\u00e1pida (geralmente de 100 a 300 m\/min). Devido \u00e0 camada de tinta espessa da tinta de rotogravura, o conte\u00fado de pigmento na tinta \u00e9 relativamente baixo, geralmente de 6% a 9%.<\/p>\n<p>UV gravure printing ink is close to UV flexo printing ink in formulation design, using low viscosity, fast-curing oligomers and active diluents. In practice, <a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-819-irgacure-819-cas-162881-26-7\/\">Fotoiniciador 819<\/a> is often reviewed for through-cure, while <a href=\"https:\/\/longchangchemical.com\/pt\/product\/acmo-monomer-cas-5117-12-4\/\">Mon\u00f4mero ACMO<\/a> helps balance reactivity, flexibility, and viscosity; see section 3.5 UV flexo printing ink in Table 3-38, Table 3-39 and Table 3-4, and the selection of photoinitiators in \u201c3.4 UV Offset Printing Ink\u201d.<\/p>\n<p>(1) F\u00f3rmula de refer\u00eancia da tinta de rotogravura UV<br \/>\nTetraacrilato de poli\u00e9ster (EB657) 30,0<\/p>\n<p>Copol\u00edmero de estireno e anidrido maleico (SMA1440F) 10,0<\/p>\n<p>(EO)4(PET)4A (SR494) 17,0<\/p>\n<p>819 4.9<\/p>\n<p>Pigmento azul (LGLP) 5,0<\/p>\n<p>Talco (D2002) 20,1<\/p>\n<p>Cera de carna\u00faba brasileira 3.0<\/p>\n<p>Surfactante 4.0<\/p>\n<p>\u00d3leo de r\u00edcino sulfonado 2.0<\/p>\n<p>Sebacato de dibutilo 3.0<\/p>\n<p>Estabilizador de UV 1.0<\/p>\n<p>(2) F\u00f3rmula de refer\u00eancia da tinta de rotogravura vermelha UV<br \/>\nHexafuncionalidade PUA 3<\/p>\n<p>Difuncionalidade PEA 5<\/p>\n<p>DTMPTA 18<\/p>\n<p>PETA 30<\/p>\n<p>Acrilmorfolina ACMO 10<\/p>\n<p>NPGDA 12<\/p>\n<p>Inibidor de polimeriza\u00e7\u00e3o (510) 0,1<\/p>\n<p>1173 4<\/p>\n<p>369 2.5<\/p>\n<p>Cera de polietileno 1,5<\/p>\n<p>S\u00edlica pirog\u00eanica hidrof\u00f3bica 1<\/p>\n<p>Pigmento (Lysol Red) 12<\/p>\n<p>Agente de nivelamento sem silicone 0,4<\/p>\n<p>Antiespumante sem silicone 0,5<\/p>\n<p>(3) Formula\u00e7\u00e3o de refer\u00eancia da tinta de rotogravura amarela UV<br \/>\nPUA hexafuncional 4<\/p>\n<p>Difuncionalidade PEA 5<\/p>\n<p>DTMPTA 25<\/p>\n<p>PETA 26<\/p>\n<p>Acrilmorfolina ACMO 10<\/p>\n<p>NPGDA 12<\/p>\n<p>Inibidor de polimeriza\u00e7\u00e3o (510) 0,1<\/p>\n<p>1173 4<\/p>\n<p>369 2<\/p>\n<p>Cera de polietileno 1<\/p>\n<p>S\u00edlica pirog\u00eanica hidrof\u00f3bica 1<\/p>\n<p>Pigmento (amarelo benzidina GR) 9<\/p>\n<p>Agente de nivelamento sem silicone 0,4<\/p>\n<p>Antiespumante sem silicone 0,5<\/p>\n<p>(4) F\u00f3rmula de refer\u00eancia da tinta de rotogravura azul UV<br \/>\nHexafuncionalidade PUA 5<\/p>\n<p>Difuncionalidade PEA 3<\/p>\n<p>DTMPTA 30<\/p>\n<p>PETA 18<\/p>\n<p>Acriloilmorfolina ACMO 14<\/p>\n<p>NPGDA 8<\/p>\n<p>Inibidor de polimeriza\u00e7\u00e3o (510) 0,1<\/p>\n<p>1173 5<\/p>\n<p>369 3<\/p>\n<p>Cera de polietileno 1<\/p>\n<p>S\u00edlica pirog\u00eanica hidrof\u00f3bica 1<\/p>\n<p>Pigmento (azul de ftalocianina BX) 11<\/p>\n<p>Agente de nivelamento sem silicone 0,4<\/p>\n<p>Antiespumante sem silicone 0,5<\/p>\n<p>(5) Formula\u00e7\u00e3o de refer\u00eancia do UV Gravure Brightening Oil<br \/>\nPoliuretano bisacrilato 38,11<\/p>\n<p>Diacrilato de hexilenoglicol 27,64<\/p>\n<p>Gasil EBC (nome comercial) 8,59<\/p>\n<p>Benzofenona 2,83<\/p>\n<p>N-metildietanolamina 2,83<\/p>\n<p>As formula\u00e7\u00f5es de verniz de rotogravura UV acima s\u00e3o frequentemente usadas para envernizar papel de gr\u00e3o de madeira para m\u00f3veis, etc.<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>Uma rota de sele\u00e7\u00e3o pr\u00e1tica para projetos relacionados a fotoiniciadores<\/h2>\n<p>Ao avaliar fotoiniciadores, os compradores t\u00e9cnicos ou formuladores geralmente consideram a qualidade da cura e a adequa\u00e7\u00e3o \u00e0 aplica\u00e7\u00e3o: qual embalagem cura de forma confi\u00e1vel, mant\u00e9m uma apar\u00eancia aceit\u00e1vel e ainda funciona sob as condi\u00e7\u00f5es da l\u00e2mpada, espessura do filme e substrato do processo real.<\/p>\n<ul>\n<li><strong>Primeiro, compare a embalagem com a l\u00e2mpada:<\/strong> L\u00e2mpadas de merc\u00fario, LEDs UV e sistemas de luz vis\u00edvel podem classificar os mesmos fotoiniciadores de maneiras muito diferentes.<\/li>\n<li><strong>Verifique a cura em profundidade e a cura superficial separadamente:<\/strong> Uma pel\u00edcula que parece seca na superf\u00edcie ainda pode estar fr\u00e1gil por baixo.<\/li>\n<li><strong>Equilibre o amarelamento com a reatividade:<\/strong> O m\u00e9todo de cura profunda mais eficaz nem sempre \u00e9 a melhor op\u00e7\u00e3o comercial se o risco de migra\u00e7\u00e3o ou altera\u00e7\u00e3o da cor se tornar inaceit\u00e1vel.<\/li>\n<li><strong>Utilize a f\u00f3rmula final como refer\u00eancia:<\/strong> A quantidade de pigmento, o pacote de mon\u00f4meros e a espessura do filme podem alterar a classifica\u00e7\u00e3o aparente do mesmo iniciador.<\/li>\n<\/ul>\n<h3>Refer\u00eancias de produtos recomendadas<\/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> \u00datil quando uma f\u00f3rmula necessita de maior absor\u00e7\u00e3o e suporte \u00e0 cura mais profunda.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/irgacure-1173-cas-7473-98-5\/\">CHLUMINIT 1173<\/a>:<\/strong> Um ponto de compara\u00e7\u00e3o pr\u00e1tico para a inicia\u00e7\u00e3o cl\u00e1ssica por UV de ondas curtas.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-bp-cas-119-61-9\/\">CHLUMINIT BP<\/a>:<\/strong> A practical type-II benchmark when benzophenone chemistry is under review.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/tmpta-cas-15625-89-5\/\">CHLUMICRYL TMPTA<\/a>:<\/strong> Um mon\u00f4mero reativo padr\u00e3o de refer\u00eancia quando \u00e9 necess\u00e1ria uma densidade de reticula\u00e7\u00e3o maior.<\/li>\n<\/ul>\n<h3>FAQ para compradores e formuladores<\/h3>\n<p><strong>Por que os pacotes de fotoiniciadores misturados s\u00e3o t\u00e3o comuns?<\/strong><br \/>Como um produto pode controlar o amarelamento ou o encaixe da l\u00e2mpada, enquanto outro melhora a profundidade de cura ou o desempenho da velocidade da linha, o pacote completo costuma ser mais eficaz do que qualquer produto individual.<\/p>\n<p><strong>A cura incompleta deve sempre ser resolvida adicionando mais iniciador?<\/strong><br \/>N\u00e3o automaticamente. A verdadeira limita\u00e7\u00e3o pode estar na l\u00e2mpada, na espessura do filme, na tonalidade do pigmento ou no restante do sistema reativo, e n\u00e3o simplesmente em uma subdosagem.<\/p>\n<p><!-- lc-commercial-end --><\/p>","protected":false},"excerpt":{"rendered":"<p>Gravure printing ink viscosity is very small, usually in the range of 20-300mPa-s, to ensure that the ink has good transfer performance, and get excellent print quality. Gravure printing can<\/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-7880","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>UV gravure ink and reference formula - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"Gravure printing ink viscosity is very small, usually in the range of 20-300mPa-s, to ensure that the ink has good transfer performance, and get excelle...\" \/>\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\/uv-gravure-ink-and-reference-formula\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"UV gravure ink and reference formula - 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