{"id":7564,"date":"2024-11-11T06:01:20","date_gmt":"2024-11-11T06:01:20","guid":{"rendered":"https:\/\/longchangchemical.com\/?post_type=product&#038;p=7564"},"modified":"2025-12-16T03:46:42","modified_gmt":"2025-12-16T03:46:42","slug":"photoinitiator-819-dw","status":"publish","type":"product","link":"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-819-dw\/","title":{"rendered":"CHLUMINIT\u00ae 819DW \/ Photoinitiateur 819 DW \/ Omnirad 819 DW CAS 162881-26-7"},"content":{"rendered":"<h1>Photo-initiateur 819 DW<\/h1>\n<p><strong>Synonyme<\/strong><strong>: <\/strong> 920 DW <strong>;<\/strong>Omnirad 819 DW ; 819 DW ;<\/p>\n<p><strong><b>Standard\uff1a<\/b><\/strong><\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"201\"><strong>Articles<\/strong><\/td>\n<td width=\"326\"><strong>Sp\u00e9cifications<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"201\">Apparence<\/td>\n<td width=\"326\">Liquide blanc \u00e0 l\u00e9g\u00e8rement jaune<\/td>\n<\/tr>\n<tr>\n<td width=\"201\">Essai (HPLC)<\/td>\n<td width=\"326\">\u226545%<\/td>\n<\/tr>\n<tr>\n<td width=\"201\">Densit\u00e9<\/td>\n<td width=\"326\">1,1g\/mL (20\u2103)<\/td>\n<\/tr>\n<tr>\n<td width=\"201\">Pic d'absorption<\/td>\n<td width=\"326\">295nm\uff0c370nm\uff0c395nm,405nm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><strong><b>Fonction<\/b><\/strong><strong><b>\u00a0&amp; <\/b><\/strong><strong>Applications<\/strong><strong><b>:<\/b><\/strong><\/p>\n<p>Dans le domaine des adh\u00e9sifs, le photo-initiateur 819 DW est comme un puissant \"commandant de colle\". Lorsqu'il est incorpor\u00e9, il peut faire adh\u00e9rer fermement des mat\u00e9riaux peu li\u00e9s par une simple lumi\u00e8re UV. Il joue un r\u00f4le indispensable et crucial dans les processus d'assemblage du bois, de collage du papier et de combinaison m\u00e9tal-plastique.<\/p>\n<p>D'un point de vue historique, le d\u00e9veloppement de la technologie de s\u00e9chage par UV s'apparente \u00e0 l'histoire de l'\u00e9volution technologique. Au d\u00e9but, les m\u00e9thodes de durcissement traditionnelles pr\u00e9sentaient de nombreuses limites en termes d'efficacit\u00e9 et d'efficience. Cependant, avec le d\u00e9veloppement progressif et l'am\u00e9lioration de mat\u00e9riaux cl\u00e9s tels que les photo-initiateurs, la technologie de durcissement par UV s'est d\u00e9velopp\u00e9e rapidement. L'\u00e9mergence du photo-initiateur 819 DW est sans aucun doute une \u00e9tape importante dans ce processus. Par exemple, dans l'industrie de l'ameublement, le temps de s\u00e9chage du rev\u00eatement sur la surface du bois \u00e9tait long et la couleur risquait d'\u00eatre irr\u00e9guli\u00e8re. Cependant, depuis l'application du photo-initiateur 819 DW aux vernis durcissant aux UV sur les surfaces en bois, le temps de s\u00e9chage a \u00e9t\u00e9 consid\u00e9rablement r\u00e9duit, passant de plusieurs heures, voire plusieurs jours, \u00e0 quelques minutes seulement. En outre, la brillance et la duret\u00e9 de la surface du bois ont \u00e9t\u00e9 qualitativement am\u00e9lior\u00e9es, ce qui a permis de renforcer la durabilit\u00e9 et l'esth\u00e9tique des meubles.<\/p>\n<p>Une analyse approfondie des donn\u00e9es montre que dans un certain nombre d'exp\u00e9riences comparatives, la vitesse de durcissement de la peinture utilisant le photo-initiateur 819 DW \u00e9tait en moyenne plus rapide d'environ 30% que celle des photo-initiateurs traditionnels. Cette diff\u00e9rence significative dans les donn\u00e9es d\u00e9montre pleinement le grand avantage du photo-initiateur 819 DW, qui am\u00e9liore consid\u00e9rablement l'efficacit\u00e9 de la production industrielle. En outre, lors des essais d'adh\u00e9rence sur des surfaces de diff\u00e9rents mat\u00e9riaux, son adh\u00e9rence aux surfaces plastiques est sup\u00e9rieure de 20% \u00e0 celle de produits similaires, ce qui signifie qu'il peut mieux assurer la stabilit\u00e9 et la durabilit\u00e9 du rev\u00eatement dans le domaine du rev\u00eatement de surface des produits en plastique.<\/p>\n<p>Selon les rapports de recherche de l'industrie, ces derni\u00e8res ann\u00e9es, avec la demande croissante de protection de l'environnement, la technologie de durcissement par UV est devenue populaire en raison de ses faibles \u00e9missions de compos\u00e9s organiques volatils (COV). En tant que composant cl\u00e9, la demande du march\u00e9 pour le photo-initiateur 819 DW montre une tendance de croissance rapide d'une ann\u00e9e sur l'autre. On s'attend \u00e0 ce qu'au cours des cinq prochaines ann\u00e9es, la taille du march\u00e9 de son application globale fasse plus que doubler.<\/p>\n<p>&nbsp;<\/p>\n<p><strong><b>P<\/b><\/strong><strong><b>Emballage et exp\u00e9dition<\/b><\/strong><strong><b>:<\/b><\/strong><\/p>\n<p>Emballage : 20kg-25kgs\/tambour.<\/p>\n<p>Livraison : dans un d\u00e9lai de 5 \u00e0 7 jours ouvrables.<\/p>\n<p>&nbsp;<\/p>\n<p><strong><b>Stockage :<\/b><\/strong><\/p>\n<p>Stock\u00e9 dans un endroit frais et sec, \u00e0 l'abri de la lumi\u00e8re directe du soleil.<\/p>\n<h2><strong><b>Contactez-nous d\u00e8s maintenant !<\/b><\/strong><\/h2>\n<h4><strong><b>Si vous avez besoin de Price, veuillez indiquer vos coordonn\u00e9es dans le formulaire ci-dessous. Nous vous contacterons g\u00e9n\u00e9ralement dans les 24 heures. Vous pouvez \u00e9galement m'envoyer un courriel <span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"mailto:info@longchangchemical.com\">info@longchangchemical.com<\/a><\/span>\u00a0pendant 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>\n<p>&nbsp;<\/p>\n<table style=\"border-collapse: collapse; width: 435.77pt;\" border=\"0\" width=\"581\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt; width: 215.25pt;\" width=\"287\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-tpo-cas-75980-60-8\/\"><span style=\"color: #00ccff;\">Photoinitiateur TPO<\/span><\/a><\/td>\n<td style=\"width: 220.50pt;\" width=\"294\">CAS 75980-60-8<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/cas-270586-78-2\/\"><span style=\"color: #00ccff;\">Photoinitiateur TMO<\/span><\/a><\/td>\n<td>CAS 270586-78-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-pd-01-cas-579-07-7\/\"><span style=\"color: #00ccff;\">Photoinitiateur PD-01<\/span><\/a><\/td>\n<td>CAS 579-07-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-pbz-cas-2128-93-0\/\"><span style=\"color: #00ccff;\">Photoinitiateur PBZ<\/span><\/a><\/td>\n<td>CAS 2128-93-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-oxe-02-cas-478556-66-0\/\"><span style=\"color: #00ccff;\">Photoinitiateur OXE-02<\/span><\/a><\/td>\n<td>CAS 478556-66-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-ombb\/\"><span style=\"color: #00ccff;\">Photoinitiateur OMBB<\/span><\/a><\/td>\n<td>CAS 606-28-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-mpbz-6012\/\"><span style=\"color: #00ccff;\">Photoinitiateur MPBZ (6012)<\/span><\/a><\/td>\n<td>CAS 86428-83-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-mbp-cas-134-84-9\/\"><span style=\"color: #00ccff;\">Photoinitiateur MBP<\/span><\/a><\/td>\n<td>CAS 134-84-9<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-mbf-cas-15206-55-0\/\"><span style=\"color: #00ccff;\">Photoinitiateur MBF<\/span><\/a><\/td>\n<td>CAS 15206-55-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-lap-cas-85073-19-4\/\"><span style=\"color: #00ccff;\">Photoinitiateur LAP<\/span><\/a><\/td>\n<td>CAS 85073-19-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-itx-cas-5495-84-1\/\"><span style=\"color: #00ccff;\">Photoinitiateur ITX<\/span><\/a><\/td>\n<td>CAS 5495-84-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-emk\/\"><span style=\"color: #00ccff;\">Photoinitiateur EMK<\/span><\/a><\/td>\n<td>CAS 90-93-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-eha-cas-21245-02-3\/\"><span style=\"color: #00ccff;\">Photoinitiateur EHA<\/span><\/a><\/td>\n<td>CAS 21245-02-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-edb-cas-10287-53-3\/\"><span style=\"color: #00ccff;\">Photo-initiateur EDB<\/span><\/a><\/td>\n<td>CAS 10287-53-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-detx-cas-82799-44-8\/\"><span style=\"color: #00ccff;\">Photoinitiateur DETX<\/span><\/a><\/td>\n<td>CAS 82799-44-8<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-cq\/\"><span style=\"color: #00ccff;\">Photoinitiateur CQ \/ Camphorquinone<\/span><\/a><\/td>\n<td>CAS 10373-78-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-cbp-cas-134-85-0\/\"><span style=\"color: #00ccff;\">Photoinitiateur CBP<\/span><\/a><\/td>\n<td>CAS 134-85-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-bp-cas-119-61-9\/\"><span style=\"color: #00ccff;\">Photo-initiateur BP \/ Benzoph\u00e9none<\/span><\/a><\/td>\n<td>CAS 119-61-9<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-bms\/\"><span style=\"color: #00ccff;\">Photoinitiateur BMS<\/span><\/a><\/td>\n<td>CAS 83846-85-9<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-938\/\"><span style=\"color: #00ccff;\">Photoinitiateur 938<\/span><\/a><\/td>\n<td>CAS 61358-25-6<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-937-cas-71786-70-4\/\"><span style=\"color: #00ccff;\">Photoinitiateur 937<\/span><\/a><\/td>\n<td>CAS 71786-70-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-819-dw\/\"><span style=\"color: #00ccff;\">Photo-initiateur 819 DW<\/span><\/a><\/td>\n<td>CAS 162881-26-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-819-irgacure-819-cas-162881-26-7\/\"><span style=\"color: #00ccff;\">Photoinitiateur 819<\/span><\/a><\/td>\n<td>CAS 162881-26-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-784-cas-125051-32-3\/\"><span style=\"color: #00ccff;\">Photoinitiateur 784<\/span><\/a><\/td>\n<td>CAS 125051-32-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-754-cas-211510-16-6-442536-99-4\/\"><span style=\"color: #00ccff;\">Photoinitiateur 754<\/span><\/a><\/td>\n<td>CAS 211510-16-6 442536-99-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-6993-cas-71449-78-0\/\"><span style=\"color: #00ccff;\">Photoinitiateur 6993<\/span><\/a><\/td>\n<td>CAS 71449-78-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-6976\/\"><span style=\"color: #00ccff;\">Photoinitiateur 6976<\/span><\/a><\/td>\n<td>CAS 71449-78-0 89452-37-9 108-32-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-379-cas-119344-86-4\/\"><span style=\"color: #00ccff;\">Photoinitiateur 379<\/span><\/a><\/td>\n<td>CAS 119344-86-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-369-cas-119313-12-1\/\"><span style=\"color: #00ccff;\">Photoinitiateur 369<\/span><\/a><\/td>\n<td>CAS 119313-12-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-160\/\">Photoinitiateur 160<\/a><\/span><\/td>\n<td>CAS 71868-15-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-1206\/\"><span style=\"color: #00ccff;\">Photoinitiateur 1206<\/span><\/a><\/td>\n<td><\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/irgacure-1173-cas-7473-98-5\/\"><span style=\"color: #00ccff;\">Photoinitiateur 1173<\/span><\/a><\/td>\n<td>CAS 7473-98-5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>819 DW est une dispersion de 819 dans l'eau, sp\u00e9cialement utilis\u00e9e dans les syst\u00e8mes \u00e0 base d'eau. Il est facile \u00e0 m\u00e9langer dans les syst\u00e8mes \u00e0 base d'eau et forme une dispersion stable.<br \/>\nDans les peintures blanches, les peintures color\u00e9es et les encres contenant du dioxyde de titane ou d'autres pigments \u00e0 fort pouvoir couvrant, l'ajout d'une petite quantit\u00e9 de 819 DW peut conf\u00e9rer au rev\u00eatement d'excellents effets de durcissement et une r\u00e9sistance au jaunissement d\u00fb aux UV. Comme 819 DW poss\u00e8de d'excellentes propri\u00e9t\u00e9s d'absorption, il peut \u00eatre utilis\u00e9 dans les syst\u00e8mes \u00e0 film \u00e9pais.<br \/>\n819 DW peut \u00eatre m\u00e9lang\u00e9 avec d'autres photo-initiateurs, tels que 500 et 1173.<br \/>\nComme il absorbe \u00e9galement dans la bande des ondes longues, le 819 DW peut \u00eatre utilis\u00e9 en conjonction avec des absorbeurs d'UV, tels que le lcsorb 1130. Le 819 peut donc \u00eatre utilis\u00e9 dans les rev\u00eatements \u00e0 s\u00e9chage UV qui n\u00e9cessitent une r\u00e9sistance aux intemp\u00e9ries.<\/p>","protected":false},"featured_media":8090,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[174,176,177],"product_tag":[],"class_list":{"0":"post-7564","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-photoinitiator","7":"product_cat-newly-developed-pis","8":"product_cat-type-i-free-radical-photoinitiator","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Liquid Photoinitiator 819 Cas No 162881-26-7 manufacturer-Longchang Chemical<\/title>\n<meta name=\"description\" content=\"819 DW can replace Omnirad 819 DW \/ 819 DW ,which is a dispersion of photoinitiator 819 in 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