{"id":7561,"date":"2024-11-11T06:01:20","date_gmt":"2024-11-11T06:01:20","guid":{"rendered":"https:\/\/longchangchemical.com\/?post_type=product&#038;p=7561"},"modified":"2026-05-08T03:00:11","modified_gmt":"2026-05-08T03:00:11","slug":"photoinitiator-938","status":"publish","type":"product","link":"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-938\/","title":{"rendered":"CHLUMINIT\u00ae 938 \/ Photoinitiateur 938 \/ Speedcure 938 CAS 61358-25-6"},"content":{"rendered":"<h2>Photoinitiateur 938 \/ Speedcure 938 CAS 61358-25-6<\/h2>\n<p><strong>Synonyme\uff1a<\/strong>Speedcure 938<\/p>\n<p><strong><b>Sp\u00e9cifications<\/b><\/strong><\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"133\">Apparence<\/td>\n<td width=\"165\">poudre blanche<\/td>\n<\/tr>\n<tr>\n<td width=\"133\">Essai<\/td>\n<td width=\"165\">98% min<\/td>\n<\/tr>\n<tr>\n<td width=\"133\">Plage de fusion<\/td>\n<td width=\"165\">170-180 \u2103<\/td>\n<\/tr>\n<tr>\n<td width=\"133\">Perte au s\u00e9chage<\/td>\n<td width=\"165\">1% max<\/td>\n<\/tr>\n<tr>\n<td width=\"133\">Absorption \u03bb max<\/td>\n<td width=\"165\">267 nm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong><b>\u00a0<\/b><\/strong><\/p>\n<p><strong><b>Propri\u00e9t\u00e9<\/b><\/strong><\/p>\n<div class=\"auto-hide-last-sibling-br paragraph-u1TS5p paragraph-element br-paragraph-space\">Dans le monde merveilleux des mat\u00e9riaux chimiques, il existe une substance magique appel\u00e9e photo-initiateur 938. Il appartient \u00e0 la famille des hexafluorophosphates d'iodonium et constitue un membre important des photo-initiateurs cationiques. Contrairement \u00e0 d'autres substances similaires, le 938 est sp\u00e9cialement con\u00e7u pour les applications non silicon\u00e9es. Tout comme les encres cationiques \u00e0 s\u00e9chage UV que nous voyons couramment dans la production industrielle, son apparition a consid\u00e9rablement acc\u00e9l\u00e9r\u00e9 la vitesse de s\u00e9chage, entra\u00eenant un saut qualitatif dans l'efficacit\u00e9 de la production.<br \/>\n938 se pr\u00e9sente sous la forme d'une poudre cristalline. Cette forme physique unique lui conf\u00e8re d'excellentes propri\u00e9t\u00e9s d'adh\u00e9rence, en particulier sur les substrats m\u00e9talliques, o\u00f9 il semble avoir un \"pouvoir adh\u00e9sif\" magique. Le 938 pr\u00e9sente \u00e9galement des avantages impressionnants dans l'application de rev\u00eatements et de films transparents - faible jaunissement. Cette caract\u00e9ristique n'est pas le fruit du hasard, mais fait appel \u00e0 des principes chimiques complexes. Lorsque les rev\u00eatements et les films sont utilis\u00e9s pendant une longue p\u00e9riode ou expos\u00e9s \u00e0 certains environnements, de nombreux mat\u00e9riaux jaunissent en raison de l'oxydation, de la lumi\u00e8re et d'autres facteurs, ce qui affecte s\u00e9rieusement l'apparence et la qualit\u00e9 du produit. Le faible effet de jaunissement du 938 est comme une \"couche protectrice\" pour ces produits, leur permettant de conserver un bon aspect malgr\u00e9 l'\u00e9preuve du temps.<\/div>\n<div><\/div>\n<div class=\"auto-hide-last-sibling-br paragraph-u1TS5p paragraph-element br-paragraph-space\">En outre, le 938 a une tr\u00e8s large gamme d'applications. Il donne d'excellents r\u00e9sultats dans le durcissement des r\u00e9sines \u00e9poxydes alicycliques, des \u00e9thers vinyliques, des \u00e9thers glycidyliques, des ox\u00e9tanes, des \u00e9poxydes et d'autres mat\u00e9riaux de durcissement cationiques. Cela est d\u00fb \u00e0 sa structure chimique unique, qui peut r\u00e9agir avec les mol\u00e9cules de ces mat\u00e9riaux pour obtenir un durcissement efficace.<\/div>\n<div><\/div>\n<div class=\"auto-hide-last-sibling-br paragraph-u1TS5p paragraph-element br-paragraph-space\">Il convient de mentionner que la longueur d'onde d'absorption maximale du 938 est de 241 nm, ce qui est crucial pour son application dans les formulations durcissant aux UV et aux LED. Dans les applications pratiques, lorsqu'il est ajout\u00e9 \u00e0 ces formulations \u00e0 une concentration de 0,5 \u00e0 5 wt%, il pr\u00e9sente une r\u00e9activit\u00e9 et une solubilit\u00e9 \u00e9lev\u00e9es dans les syst\u00e8mes cationiques. C'est comme une \"\u00e9quipe chimique\" parfaite, o\u00f9 chaque membre (938 mol\u00e9cules) fonctionne de mani\u00e8re optimale \u00e0 la bonne concentration. Du point de vue de la cin\u00e9tique chimique, cette gamme de concentrations garantit que la r\u00e9action peut se d\u00e9rouler rapidement et compl\u00e8tement, sans probl\u00e8mes tels qu'une r\u00e9action excessive ou une pr\u00e9cipitation due \u00e0 une concentration trop \u00e9lev\u00e9e, ou une r\u00e9action lente et un durcissement incomplet dus \u00e0 une concentration trop faible.<\/div>\n<div><\/div>\n<div class=\"auto-hide-last-sibling-br paragraph-u1TS5p paragraph-element br-paragraph-space\">Le d\u00e9veloppement historique des mat\u00e9riaux nous permet de mieux comprendre l'importance du 938. Au d\u00e9but de la production industrielle, le d\u00e9veloppement de la technologie de s\u00e9chage UV a \u00e9t\u00e9 fortement limit\u00e9 par le manque de photo-initiateurs efficaces tels que le 938. Par exemple, dans l'industrie de l'imprimerie, la lenteur du durcissement des encres n'affectait pas seulement l'efficacit\u00e9 de la production, mais entra\u00eenait \u00e9galement une instabilit\u00e9 de la qualit\u00e9 d'impression. L'arriv\u00e9e du 938 a constitu\u00e9 une v\u00e9ritable \"r\u00e9volution\" pour l'industrie, en am\u00e9liorant consid\u00e9rablement la qualit\u00e9 et la vitesse de production des mat\u00e9riaux imprim\u00e9s.<\/div>\n<p>&nbsp;<\/p>\n<p><strong><b>Applications<\/b><\/strong><\/p>\n<p>\u2981 Rev\u00eatements transparents<\/p>\n<p>\u2981 Syst\u00e8mes pigment\u00e9s<\/p>\n<p>\u2981 Durcissement par LED<\/p>\n<p>\u2981 \u00c9lectronique<\/p>\n<p>\u2981 Adh\u00e9sifs<\/p>\n<p>\u2981 Impression 3D<\/p>\n<p>&nbsp;<\/p>\n<p><strong><b>Paquet : <\/b><\/strong>Tambour ,botte.<\/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>938 est un photo-initiateur cationique de la famille des hexafluorophosphates d'iodonium, con\u00e7u pour des applications non silicon\u00e9es telles que le durcissement UV cationique des encres afin d'acc\u00e9l\u00e9rer la vitesse de durcissement. Cette poudre cristalline permet une bonne adh\u00e9rence aux substrats m\u00e9talliques et pr\u00e9sente un faible jaunissement dans les rev\u00eatements transparents et les films minces. Elle est \u00e9galement utilis\u00e9e pour durcir les r\u00e9sines \u00e9poxy cycloaliphatiques, les \u00e9thers vinyliques, les \u00e9thers glycidyliques, l'ox\u00e9tane, les ol\u00e9fines \u00e9poxyd\u00e9es et d'autres mat\u00e9riaux \u00e0 durcissement cationique.<\/p>\n<p>Son absorption maximale est de 241nm. Le 938 offre une r\u00e9activit\u00e9 et une solubilit\u00e9 \u00e9lev\u00e9es dans les syst\u00e8mes cationiques lorsqu'il est utilis\u00e9 \u00e0 0,5-5 wt% dans des formulations durcissables aux UV et des formulations durcissables aux LED lorsqu'il est sensibilis\u00e9 avec des thioxanthones.<\/p>","protected":false},"featured_media":8088,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[175,174],"product_tag":[],"class_list":{"0":"post-7561","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-cationic-photoinitiator","7":"product_cat-photoinitiator","9":"first","10":"instock","11":"shipping-taxable","12":"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>Photoinitiator 938 ( Speedcure 938 )Cas No 61358-25-6 manufacturer-Longchang Chemical<\/title>\n<meta name=\"description\" content=\"938 can replace Speedcure 938, used as a cationic photoinitiator and is the key product of Longchang Chemical. 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