{"id":5295,"date":"2022-06-12T12:59:40","date_gmt":"2022-06-12T12:59:40","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5295"},"modified":"2026-04-28T10:42:01","modified_gmt":"2026-04-28T10:42:01","slug":"what-are-the-component-raw-materials-of-light-curing-uv-coatings","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/fr\/what-are-the-component-raw-materials-of-light-curing-uv-coatings\/","title":{"rendered":"Quelles sont les mati\u00e8res premi\u00e8res entrant dans la composition des vernis UV photopolym\u00e9risables ?"},"content":{"rendered":"<h1><strong>Quelles sont les mati\u00e8res premi\u00e8res entrant dans la composition des vernis UV photopolym\u00e9risables ?<\/strong><\/h1>\n<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>Le vernis \u00e0 s\u00e9chage ultraviolet (UV) est un nouveau type de vernis respectueux de l'environnement. Il pr\u00e9sente une vitesse de s\u00e9chage extr\u00eamement rapide et peut \u00eatre durci en quelques secondes seulement par la lumi\u00e8re UV, avec une grande efficacit\u00e9 de production.<br \/>\nLes vernis \u00e0 s\u00e9chage UV sont principalement compos\u00e9s d'oligom\u00e8res, de diluants r\u00e9actifs, de photo-initiateurs et d'additifs.<\/p>\n<p>1. <a href=\"https:\/\/longchangchemical.com\/fr\/product-category\/-uv-oligomer\/\"><span style=\"color: #00ccff;\"><strong>Oligom\u00e8re UV<\/strong><\/span><\/a><br \/>\nLe compos\u00e9 filmog\u00e8ne est la composition principale du rev\u00eatement, qui est le composant fluide du rev\u00eatement. La performance du film de vernis, la performance de construction et d'autres propri\u00e9t\u00e9s sp\u00e9ciales du vernis d\u00e9pendent principalement du compos\u00e9 filmog\u00e8ne. Le compos\u00e9 filmog\u00e8ne du vernis UV est un oligom\u00e8re, dont les performances d\u00e9terminent essentiellement les performances de construction et le taux de photopolym\u00e9risation du vernis avant polym\u00e9risation, les performances du film de vernis et d'autres propri\u00e9t\u00e9s sp\u00e9ciales apr\u00e8s polym\u00e9risation.<br \/>\nLes vernis UV sont principalement des syst\u00e8mes de photopolym\u00e9risation \u00e0 radicaux libres, de sorte que les oligom\u00e8res utilis\u00e9s sont divers types de r\u00e9sines acryliques. Les oligom\u00e8res de vernis UV cationiques sont des r\u00e9sines \u00e9poxy et des compos\u00e9s vinyl-\u00e9thers.<\/p>\n<p>2.Diluants actifs<br \/>\nLes diluants actifs sont un autre composant important des vernis UV, qui peuvent diluer et r\u00e9duire la viscosit\u00e9, et ont \u00e9galement la capacit\u00e9 d'ajuster la performance du film durci. Les acrylates sont couramment utilis\u00e9s comme diluants actifs pour les vernis UV et, dans la formulation actuelle, des acrylates simples, doubles et multifonctionnels seront utilis\u00e9s ensemble pour que leurs performances se compl\u00e8tent et pour obtenir un bon effet global.<\/p>\n<p><a href=\"https:\/\/longchangchemical.com\/fr\/product-category\/lcnacure-photoinitiator\/\"><span style=\"color: #00ccff;\"><strong>3. Photoinitiateur<\/strong><\/span><\/a><br \/>\nLe photo-initiateur est un catalyseur sp\u00e9cial dans les vernis UV, c'est un composant important des vernis UV, pour d\u00e9terminer la vitesse de durcissement \u00e0 la lumi\u00e8re des vernis UV.<br \/>\nFor colorless varnish UV coatings, photoinitiators are often used 1173, 184, 651 and BP\/tertiary amine. 184 high activity, low odor, yellowing resistance, is the preferred photoinitiator for yellowing resistant UV coatings, in order to improve the light curing rate, often used in conjunction with <a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-tpo-cas-75980-60-8\/\">Photoinitiateur TPO<\/a>.<br \/>\nFor colored UV coatings, photoinitiators such as ITX, 907, 369, <a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-tpo-cas-75980-60-8\/\">Photoinitiateur TPO<\/a>et <a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-819-irgacure-819-cas-162881-26-7\/\">Photoinitiateur 819<\/a> are commonly used. Sometimes UV coatings in order to reduce oxygen blocking, improve the light curing rate, often into a small amount of active amine.<\/p>\n<p>4. Les additifs<br \/>\nL'agent auxiliaire est le composant auxiliaire du vernis UV. Le r\u00f4le des additifs est d'am\u00e9liorer les performances de traitement des vernis, les performances de stockage et de construction, d'am\u00e9liorer les performances du film et de lui donner des caract\u00e9ristiques sp\u00e9ciales, etc. Les additifs couramment utilis\u00e9s dans les vernis UV sont l'antimousse, l'agent de nivellement, l'agent de mouillage et de dispersion, le promoteur d'adh\u00e9rence, l'agent de matage, l'agent de r\u00e9sistance, etc.<\/p>\n<p>&nbsp;<\/p>\n<h2><strong>L'odeur de l'imprimante UV est-elle toxique ?<\/strong><\/h2>\n<p>L'imprimante UV est un type d'\u00e9quipement d'impression qui r\u00e9pond \u00e0 l'environnement vert. En raison du caract\u00e8re unique de la m\u00e9thode de durcissement de l'imprimante UV, le processus de durcissement de la lumi\u00e8re UV g\u00e9n\u00e8re in\u00e9vitablement une certaine odeur. De nombreux amis qui ont achet\u00e9 ou pr\u00e9voient d'acheter des imprimantes UV se posent des questions sur l'odeur : l'odeur est-elle toxique, comment la traiter ?<\/p>\n<p>Bien entendu, l'inqui\u00e9tude de l'utilisateur concernant l'odeur est normale, en particulier pour ceux qui ne connaissent pas tr\u00e8s bien le processus d'impression de l'imprimante UV, l'odeur sera plus \u00e9vidente lors de l'utilisation d'une imprimante UV \u00e0 plat pour l'impression de mat\u00e9riaux de grand format. Pour r\u00e9pondre aux questions ci-dessus, nous devons d'abord comprendre la composition de l'encre de l'imprimante UV. En effet, la source de l'odeur se trouve dans l'encre UV.<\/p>\n<p>&nbsp;<\/p>\n<p>L'encre UV est principalement compos\u00e9e de photo-initiateurs, de diluants r\u00e9actifs, d'oligom\u00e8res et de divers additifs. La couche d'encre de l'imprimante UV est form\u00e9e par : les photo-initiateurs absorbent la lumi\u00e8re UV pour produire des radicaux libres ou des cations, provoquant une r\u00e9action de polym\u00e9risation et de r\u00e9ticulation des diluants r\u00e9actifs et des oligom\u00e8res. L'odeur provient principalement des acrylates de l'encre UV, mais aussi d'une petite quantit\u00e9 d'additifs. L'odeur s'estompe lentement dans un court laps de temps et finit par dispara\u00eetre. Les m\u00e9taux lourds tels que le plomb, le cadmium, le mercure, le chrome hexavalent, ainsi que les polybromobiph\u00e9nyles, les polybromodiph\u00e9nyl\u00e9thers, les phtalates et d'autres substances volatiles \u00e0 forte odeur et susceptibles de provoquer des allergies d\u00e9passent la norme. \u00c0 l'heure actuelle, les fabricants d'encre habituels peuvent fournir des rapports d'essai sur les substances susmentionn\u00e9es.<\/p>\n<p>Puisque nous connaissons la composition de l'encre UV, la source de l'odeur et l'objectif de d\u00e9tecter les composants nocifs, il nous suffit de faire ce qui suit dans la s\u00e9lection r\u00e9elle du produit, la production d'impression, vous ne pouvez pas vous inqui\u00e9ter de l'empoisonnement ou d'autres dommages graves pour le corps humain se sont produits. Tout d'abord, nous devons choisir une marque garantie de fabricants d'imprimantes UV, choisir leur encre compatible, il est pr\u00e9f\u00e9rable de les laisser publier des rapports de test ; deuxi\u00e8mement, ind\u00e9pendamment du fait que l'odeur soit toxique, pour des consid\u00e9rations d'assurance et de confort de l'op\u00e9rateur, l'utilisation de l'environnement de production doit avoir une bonne ventilation, les conditions de l'unit\u00e9 peuvent \u00eatre configur\u00e9es avec des gants, des masques et d'autres \u00e9quipements de protection ; enfin, l'impression des d\u00e9chets pour faciliter le recyclage ou l'\u00e9limination pour \u00e9viter la \"pollution secondaire\".<\/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\/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\/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-itx-cas-5495-84-1\/\">CHLUMINIT ITX<\/a>:<\/strong> Une ligne de support d'ondes longues utile dans de nombreux emballages d'encres d'imprimerie.<\/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>\n<h2><strong><b>Contactez-nous d\u00e8s maintenant !<\/b><\/strong><\/h2>\n<h4><strong><b>Si <\/b><\/strong><strong><b>vous avez besoin d'un prix ou d'un COA, d'une fiche de donn\u00e9es de s\u00e9curit\u00e9 ou d'une fiche technique, veuillez nous contacter. <\/b><\/strong><strong><b>remplissez le formulaire ci-dessous et indiquez que , nous vous contacterons g\u00e9n\u00e9ralement dans les 24 heures. Vous pouvez \u00e9galement m'envoyer un courriel <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"mailto:info@longchangchemical.com\">info@longchangchemical.com<\/a><\/span> pendant les heures de travail ( 8:30 am to 6:00 pm UTC+8 Mon.~Sat. ) ou utilisez le chat en direct du site web pour obtenir une r\u00e9ponse rapide.<\/b><\/strong><\/h4>","protected":false},"excerpt":{"rendered":"<p>Ultraviolet curing (UV) coating is a new type of environmentally friendly coating. It has an extremely fast drying rate and can be cured in just a few seconds by UV<\/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-5295","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 are the component raw materials of light-curing UV coatings? - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"Ultraviolet curing (UV) coating is a new type of environmentally friendly coating. 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