{"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\/pt\/product\/photoinitiator-938\/","title":{"rendered":"CHLUMINIT\u00ae 938 \/ Fotoiniciador 938 \/ Speedcure 938 CAS 61358-25-6"},"content":{"rendered":"<h2>Fotoiniciador 938 \/ Speedcure 938 CAS 61358-25-6<\/h2>\n<p><strong>Sin\u00f4nimo\uff1a<\/strong>Speedcure 938<\/p>\n<p><strong><b>Especifica\u00e7\u00e3o<\/b><\/strong><\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"133\">Apar\u00eancia<\/td>\n<td width=\"165\">p\u00f3 branco<\/td>\n<\/tr>\n<tr>\n<td width=\"133\">Ensaio<\/td>\n<td width=\"165\">98% min<\/td>\n<\/tr>\n<tr>\n<td width=\"133\">Faixa de fus\u00e3o<\/td>\n<td width=\"165\">170-180 \u2103<\/td>\n<\/tr>\n<tr>\n<td width=\"133\">Perda na secagem<\/td>\n<td width=\"165\">1% m\u00e1ximo<\/td>\n<\/tr>\n<tr>\n<td width=\"133\">Absor\u00e7\u00e3o \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>Propriedade<\/b><\/strong><\/p>\n<div class=\"auto-hide-last-sibling-br paragraph-u1TS5p paragraph-element br-paragraph-space\">No maravilhoso mundo dos materiais qu\u00edmicos, existe uma subst\u00e2ncia m\u00e1gica chamada fotoiniciador 938. Ele pertence \u00e0 fam\u00edlia do hexafluorofosfato de iod\u00f4nio e \u00e9 um membro importante do fotoiniciador cati\u00f4nico. Ao contr\u00e1rio de outras subst\u00e2ncias semelhantes, o 938 foi especialmente projetado para aplica\u00e7\u00f5es sem sil\u00edcio. Assim como as tintas cati\u00f4nicas cur\u00e1veis por UV que comumente vemos na produ\u00e7\u00e3o industrial, seu surgimento acelerou muito a velocidade de cura, trazendo um salto qualitativo na efici\u00eancia da produ\u00e7\u00e3o.<br \/>\n938 aparece como um p\u00f3 cristalino. Essa forma f\u00edsica exclusiva lhe confere excelentes propriedades de ades\u00e3o, especialmente em substratos met\u00e1licos, onde parece ter um \"poder adesivo\" m\u00e1gico. O 938 tamb\u00e9m apresenta vantagens impressionantes na aplica\u00e7\u00e3o de revestimentos e filmes transparentes - baixo amarelamento. Essa caracter\u00edstica n\u00e3o aparece por acaso, mas envolve princ\u00edpios qu\u00edmicos complexos. Quando revestimentos e filmes s\u00e3o usados por um longo per\u00edodo ou expostos a determinados ambientes, muitos materiais ficam amarelados devido \u00e0 oxida\u00e7\u00e3o, \u00e0 luz e a outros fatores, o que afeta seriamente a apar\u00eancia e a qualidade do produto. O baixo efeito de amarelamento do 938 \u00e9 como uma \"camada protetora\" para esses produtos, permitindo que eles mantenham uma boa apar\u00eancia apesar do teste do tempo.<\/div>\n<div><\/div>\n<div class=\"auto-hide-last-sibling-br paragraph-u1TS5p paragraph-element br-paragraph-space\">Al\u00e9m disso, o 938 tem uma ampla gama de aplica\u00e7\u00f5es. Seu desempenho \u00e9 excelente na cura de resinas ep\u00f3xi alic\u00edclicas, \u00e9teres vin\u00edlicos, \u00e9teres glicid\u00edlicos, oxetanos, ep\u00f3xidos e outros materiais de cura cati\u00f4nica. Isso se deve \u00e0 sua estrutura qu\u00edmica exclusiva, que pode reagir com as mol\u00e9culas desses materiais para obter uma cura eficiente.<\/div>\n<div><\/div>\n<div class=\"auto-hide-last-sibling-br paragraph-u1TS5p paragraph-element br-paragraph-space\">Vale a pena mencionar que o comprimento de onda m\u00e1ximo de absor\u00e7\u00e3o do 938 \u00e9 de 241 nm, o que \u00e9 crucial para sua aplica\u00e7\u00e3o em formula\u00e7\u00f5es cur\u00e1veis por UV e por LED. Em aplica\u00e7\u00f5es pr\u00e1ticas, quando \u00e9 adicionado a essas formula\u00e7\u00f5es em uma concentra\u00e7\u00e3o de 0,5 a 5 wt%, ele apresenta alta reatividade e solubilidade em sistemas cati\u00f4nicos. \u00c9 como uma \"equipe qu\u00edmica\" perfeita, em que cada membro (938 mol\u00e9culas) tem um desempenho ideal na concentra\u00e7\u00e3o certa. Do ponto de vista da cin\u00e9tica qu\u00edmica, essa faixa de concentra\u00e7\u00e3o garante que a rea\u00e7\u00e3o possa ocorrer de forma r\u00e1pida e completa, sem problemas como rea\u00e7\u00e3o excessiva ou precipita\u00e7\u00e3o devido a uma concentra\u00e7\u00e3o muito alta, ou rea\u00e7\u00e3o lenta e cura incompleta devido a uma concentra\u00e7\u00e3o muito baixa.<\/div>\n<div><\/div>\n<div class=\"auto-hide-last-sibling-br paragraph-u1TS5p paragraph-element br-paragraph-space\">Podemos entender melhor a import\u00e2ncia do 938 a partir do desenvolvimento hist\u00f3rico dos materiais. No in\u00edcio da produ\u00e7\u00e3o industrial, o desenvolvimento da tecnologia de cura UV foi bastante limitado pela falta de fotoiniciadores eficientes, como o 938. Por exemplo, no setor de impress\u00e3o, a baixa velocidade de cura das tintas n\u00e3o s\u00f3 afetava a efici\u00eancia da produ\u00e7\u00e3o, mas tamb\u00e9m levava a uma qualidade de impress\u00e3o inst\u00e1vel. O advento do 938 foi como uma \"revolu\u00e7\u00e3o\" para o setor, melhorando significativamente a qualidade e a velocidade de produ\u00e7\u00e3o dos materiais impressos.<\/div>\n<p>&nbsp;<\/p>\n<p><strong><b>Aplicativos<\/b><\/strong><\/p>\n<p>\u2981 Revestimentos transparentes<\/p>\n<p>\u2981 Sistemas pigmentados<\/p>\n<p>\u2981 Cura por LED<\/p>\n<p>\u2981 Eletr\u00f4nica<\/p>\n<p>\u2981 Adesivos<\/p>\n<p>\u2981 Impress\u00e3o 3D<\/p>\n<p>&nbsp;<\/p>\n<p><strong><b>Pacote: <\/b><\/strong>Tambor, garrafa.<\/p>\n<p><strong><b>Armazenamento:<\/b><\/strong><\/p>\n<p>Armazenado em um local fresco e seco, longe da luz solar direta.<\/p>\n<h2><strong><b>Entre em contato conosco agora!<\/b><\/strong><\/h2>\n<h4><strong><b>Se precisar do Price, preencha suas informa\u00e7\u00f5es de contato no formul\u00e1rio abaixo. Normalmente, entraremos em contato dentro de 24 horas. Voc\u00ea tamb\u00e9m pode me enviar um e-mail <span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"mailto:info@longchangchemical.com\">info@longchangchemical.com<\/a><\/span>\u00a0durante o hor\u00e1rio comercial (das 8h30 \u00e0s 18h UTC+8 de segunda a s\u00e1bado) ou use o bate-papo ao vivo do site para obter uma resposta imediata.<\/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\/pt\/product\/photoinitiator-tpo-cas-75980-60-8\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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\/pt\/product\/cas-270586-78-2\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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\/pt\/product\/photoinitiator-pd-01-cas-579-07-7\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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\/pt\/product\/photoinitiator-pbz-cas-2128-93-0\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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\/pt\/product\/photoinitiator-oxe-02-cas-478556-66-0\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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\/pt\/product\/photoinitiator-ombb\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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\/pt\/product\/photoinitiator-mpbz-6012\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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\/pt\/product\/photoinitiator-mbp-cas-134-84-9\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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\/pt\/product\/photoinitiator-mbf-cas-15206-55-0\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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\/pt\/product\/photoinitiator-lap-cas-85073-19-4\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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\/pt\/product\/photoinitiator-itx-cas-5495-84-1\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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\/pt\/product\/photoinitiator-emk\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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\/pt\/product\/photoinitiator-eha-cas-21245-02-3\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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\/pt\/product\/photoinitiator-edb-cas-10287-53-3\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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\/pt\/product\/photoinitiator-detx-cas-82799-44-8\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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\/pt\/product\/photoinitiator-cq\/\"><span style=\"color: #00ccff;\">Fotoiniciador CQ \/ canforoquinona<\/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\/pt\/product\/photoinitiator-cbp-cas-134-85-0\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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\/pt\/product\/photoinitiator-bp-cas-119-61-9\/\"><span style=\"color: #00ccff;\">Fotoiniciador BP \/ Benzofenona<\/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\/pt\/product\/photoinitiator-bms\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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\/pt\/product\/photoinitiator-938\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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\/pt\/product\/photoinitiator-937-cas-71786-70-4\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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\/pt\/product\/photoinitiator-819-dw\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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\/pt\/product\/photoinitiator-819-irgacure-819-cas-162881-26-7\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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\/pt\/product\/photoinitiator-784-cas-125051-32-3\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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\/pt\/product\/photoinitiator-754-cas-211510-16-6-442536-99-4\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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\/pt\/product\/photoinitiator-6993-cas-71449-78-0\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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\/pt\/product\/photoinitiator-6976\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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\/pt\/product\/photoinitiator-379-cas-119344-86-4\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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\/pt\/product\/photoinitiator-369-cas-119313-12-1\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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\/pt\/product\/photoinitiator-160\/\">Fotoiniciador 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\/pt\/product\/photoinitiator-1206\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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\/pt\/product\/irgacure-1173-cas-7473-98-5\/\"><span style=\"color: #00ccff;\">Fotoiniciador 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>O 938 \u00e9 um fotoiniciador cati\u00f4nico da fam\u00edlia do hexafluorofosfato de iod\u00f4nio, desenvolvido para aplica\u00e7\u00f5es sem silicone, como a cura UV cati\u00f4nica de tintas para acelerar a taxa de cura. Esse p\u00f3 cristalino permite boa ades\u00e3o a substratos met\u00e1licos e apresenta baixo amarelamento em revestimentos transparentes e filmes finos, al\u00e9m de ser usado para curar resinas ep\u00f3xi cicloalif\u00e1ticas, \u00e9teres vin\u00edlicos, \u00e9teres glicid\u00edlicos, oxetano, olefinas epoxidadas e outros materiais curados cationicamente.<\/p>\n<p>Seu m\u00e1ximo de absor\u00e7\u00e3o \u00e9 de 241 nm. O 938 proporciona alta reatividade e solubilidade em sistemas cati\u00f4nicos quando usado a 0,5-5 wt% em formula\u00e7\u00f5es cur\u00e1veis por UV e formula\u00e7\u00f5es cur\u00e1veis por LED quando sensibilizado com tioxantonas<\/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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