{"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\/fr\/uv-gravure-ink-and-reference-formula\/","title":{"rendered":"Encre UV pour h\u00e9liogravure et formule de r\u00e9f\u00e9rence"},"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>Encre UV pour h\u00e9liogravure et formule de r\u00e9f\u00e9rence<\/p>\n<p>La viscosit\u00e9 de l'encre d'h\u00e9liogravure est tr\u00e8s faible, g\u00e9n\u00e9ralement comprise entre 20 et 300 mPa-s, afin de garantir une bonne performance de transfert de l'encre et une excellente qualit\u00e9 d'impression. L'h\u00e9liogravure peut \u00eatre utilis\u00e9e dans un large \u00e9ventail d'applications, telles que le papier, les films, les feuilles d'aluminium, etc., et la vitesse d'impression est rapide (g\u00e9n\u00e9ralement de 100 \u00e0 300 m\/min). En raison de l'\u00e9paisseur de la couche d'encre de l'h\u00e9liogravure, la teneur en pigments de l'encre est relativement faible, g\u00e9n\u00e9ralement de 6% \u00e0 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\/fr\/product\/photoinitiator-819-irgacure-819-cas-162881-26-7\/\">Photoinitiateur 819<\/a> is often reviewed for through-cure, while <a href=\"https:\/\/longchangchemical.com\/fr\/product\/acmo-monomer-cas-5117-12-4\/\">Monom\u00e8re 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) Formule de r\u00e9f\u00e9rence pour les encres h\u00e9lio UV<br \/>\nPolyester t\u00e9traacrylate (EB657) 30,0<\/p>\n<p>Copolym\u00e8re styr\u00e8ne-anhydride mal\u00e9ique (SMA1440F) 10,0<\/p>\n<p>(EO)4(PET)4A (SR494) 17,0<\/p>\n<p>819 4.9<\/p>\n<p>Pigment bleu (LGLP) 5,0<\/p>\n<p>Talc (D2002) 20,1<\/p>\n<p>Cire de carnauba br\u00e9silienne 3.0<\/p>\n<p>Tensioactif 4.0<\/p>\n<p>Huile de ricin sulfon\u00e9e 2,0<\/p>\n<p>S\u00e9bacate de dibutyle 3.0<\/p>\n<p>Stabilisateur UV 1.0<\/p>\n<p>(2) Formule de r\u00e9f\u00e9rence de l'encre h\u00e9lio rouge UV<br \/>\nHexafonctionnalit\u00e9 PUA 3<\/p>\n<p>Difonctionnalit\u00e9 PEA 5<\/p>\n<p>DTMPTA 18<\/p>\n<p>PETA 30<\/p>\n<p>Acrylmorpholine ACMO 10<\/p>\n<p>NPGDA 12<\/p>\n<p>Inhibiteur de polym\u00e9risation (510) 0,1<\/p>\n<p>1173 4<\/p>\n<p>369 2.5<\/p>\n<p>Cire de poly\u00e9thyl\u00e8ne 1,5<\/p>\n<p>Silice pyrog\u00e8ne hydrophobe 1<\/p>\n<p>Pigment (rouge Lysol) 12<\/p>\n<p>Agent de nivellement sans silicone 0,4<\/p>\n<p>Antimousse sans silicone 0,5<\/p>\n<p>(3) Formulation de r\u00e9f\u00e9rence de l'encre h\u00e9lio jaune UV<br \/>\nPUA hexafonctionnelle 4<\/p>\n<p>Difonctionnalit\u00e9 PEA 5<\/p>\n<p>DTMPTA 25<\/p>\n<p>PETA 26<\/p>\n<p>Acrylmorpholine ACMO 10<\/p>\n<p>NPGDA 12<\/p>\n<p>Inhibiteur de polym\u00e9risation (510) 0,1<\/p>\n<p>1173 4<\/p>\n<p>369 2<\/p>\n<p>Cire de poly\u00e9thyl\u00e8ne 1<\/p>\n<p>Silice pyrog\u00e9n\u00e9e hydrophobe 1<\/p>\n<p>Pigment (jaune de benzidine GR) 9<\/p>\n<p>Agent de nivellement sans silicone 0,4<\/p>\n<p>Antimousse sans silicone 0,5<\/p>\n<p>(4) Formule de r\u00e9f\u00e9rence de l'encre bleue UV pour h\u00e9liogravure<br \/>\nHexafonctionnalit\u00e9 PUA 5<\/p>\n<p>Difonctionnalit\u00e9 PEA 3<\/p>\n<p>DTMPTA 30<\/p>\n<p>PETA 18<\/p>\n<p>Acryloylmorpholine ACMO 14<\/p>\n<p>NPGDA 8<\/p>\n<p>Inhibiteur de polym\u00e9risation (510) 0,1<\/p>\n<p>1173 5<\/p>\n<p>369 3<\/p>\n<p>Cire de poly\u00e9thyl\u00e8ne 1<\/p>\n<p>Silice pyrog\u00e9n\u00e9e hydrophobe 1<\/p>\n<p>Pigment (bleu de phtalocyanine BX) 11<\/p>\n<p>Agent de nivellement sans silicone 0,4<\/p>\n<p>Antimousse sans silicone 0,5<\/p>\n<p>(5) Huile \u00e9claircissante UV Gravure Formulation de r\u00e9f\u00e9rence<br \/>\nPolyur\u00e9thane bis acrylate 38.11<\/p>\n<p>Diacrylate d'hexyl\u00e8ne glycol 27,64<\/p>\n<p>Gasil EBC (nom commercial) 8,59<\/p>\n<p>Benzoph\u00e9none 2,83<\/p>\n<p>N-m\u00e9thyldi\u00e9thanolamine 2,83<\/p>\n<p>Les formules de vernis UV pour h\u00e9liogravure ci-dessus sont souvent utilis\u00e9es pour le vernissage du papier \u00e0 grain de bois destin\u00e9 \u00e0 l'ameublement, etc.<\/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\/fr\/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\/fr\/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\/fr\/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\/fr\/product\/tmpta-cas-15625-89-5\/\">CHLUMICRYL TMPTA<\/a>:<\/strong> A standard reactive monomer benchmark when stronger crosslink density is required.<\/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>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\/fr\/uv-gravure-ink-and-reference-formula\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"UV gravure ink and reference formula - 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