{"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>R\u00e9ponse rapide :<\/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>Un itin\u00e9raire de s\u00e9lection pratique pour les projets li\u00e9s aux photoinitiateurs<\/h2>\n<p>Lorsque les acheteurs techniques ou les formulateurs \u00e9valuent des photoinitiateurs, le cadre de d\u00e9cision le plus utile concerne g\u00e9n\u00e9ralement la qualit\u00e9 de la polym\u00e9risation associ\u00e9e \u00e0 l'ad\u00e9quation \u00e0 l'application : quel paquet polym\u00e9rise de mani\u00e8re fiable, maintient une apparence acceptable et fonctionne toujours sous la lampe, l'\u00e9paisseur du film et les conditions du substrat du processus r\u00e9el.<\/p>\n<ul>\n<li><strong>Associez d'abord le paquet \u00e0 la lampe :<\/strong> Les lampes \u00e0 mercure, les LED UV et les syst\u00e8mes de lumi\u00e8re visible peuvent classer de la m\u00eame mani\u00e8re des photoinitiateurs tr\u00e8s diff\u00e9rents.<\/li>\n<li><strong>V\u00e9rifier la polym\u00e9risation en profondeur et la polym\u00e9risation de surface s\u00e9par\u00e9ment :<\/strong> un film sec en apparence peut \u00eatre faible en dessous.<\/li>\n<li><strong>\u00c9quilibrer le jaunissement avec la r\u00e9activit\u00e9 :<\/strong> La voie de polym\u00e9risation profonde la plus forte n'est pas toujours le meilleur choix commercial si la couleur ou le risque de migration deviennent inacceptables.<\/li>\n<li><strong>Utilisez la formule finale comme r\u00e9f\u00e9rence\u00a0:<\/strong> La charge de pigment, le paquet de monom\u00e8re et l'\u00e9paisseur du film peuvent tous modifier le classement apparent du m\u00eame initiateur.<\/li>\n<\/ul>\n<h3>R\u00e9f\u00e9rences de produits recommand\u00e9es<\/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> Utile lorsqu'une formulation n\u00e9cessite une absorption plus forte et un soutien \u00e0 une cure plus profonde.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/fr\/product\/irgacure-1173-cas-7473-98-5\/\">CHLUMINIT 1173<\/a>:<\/strong> Un point de comparaison pratique pour l'initiation classique par UV \u00e0 ondes courtes.<\/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> Un monom\u00e8re r\u00e9actif standard de r\u00e9f\u00e9rence lorsqu'une densit\u00e9 de r\u00e9ticulation plus \u00e9lev\u00e9e est requise.<\/li>\n<\/ul>\n<h3>FAQ pour les acheteurs et les formulateurs<\/h3>\n<p><strong>Pourquoi les m\u00e9langes de photoinitiateurs sont-ils si courants ?<\/strong><br \/>Parce qu'un produit peut contr\u00f4ler le jaunissement ou bien s'adapter \u00e0 la lampe, tandis qu'un autre am\u00e9liore la profondeur de durcissement ou les performances en vitesse de ligne, l'ensemble complet est souvent plus performant que n'importe quel grade individuel.<\/p>\n<p><strong>Une polym\u00e9risation incompl\u00e8te doit-elle toujours \u00eatre r\u00e9solue en ajoutant plus d'initiateur ?<\/strong><br \/>Pas automatiquement. La limitation r\u00e9elle peut \u00eatre la lampe, l'\u00e9paisseur du film, la teinte du pigment, ou le reste du syst\u00e8me r\u00e9actif plut\u00f4t qu'un simple sous-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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