{"id":7571,"date":"2024-11-11T06:01:21","date_gmt":"2024-11-11T06:01:21","guid":{"rendered":"https:\/\/changhongchemical.com\/?post_type=product&#038;p=7571"},"modified":"2026-01-07T08:37:43","modified_gmt":"2026-01-07T08:37:43","slug":"photoinitiator-6993-cas-71449-78-0","status":"publish","type":"product","link":"https:\/\/changhongchemical.com\/nl\/product\/photoinitiator-6993-cas-71449-78-0\/","title":{"rendered":"CHLuminit\u00ae 6993 \/ Fotoinitiator 6993 CAS 71449-78-0"},"content":{"rendered":"<h1>Fotoinitiator 6993<\/h1>\n<p><strong>Synoniem<\/strong><strong>:<\/strong>UV kationische fotoinitiator 6993; UVI-6993; UVI-6976 poeder; Gemengde type triarylsulfonium hexafluoroantimonaat zouten<\/p>\n<p><strong>CAS-NR:<\/strong>71449-78-0<\/p>\n<p><strong><b>Standaard\uff1a<\/b><\/strong><\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"147\">Uiterlijk<\/td>\n<td width=\"705\">Gebroken wit poeder<\/td>\n<\/tr>\n<tr>\n<td width=\"147\">Vaste inhoud<\/td>\n<td width=\"705\">99% min<\/td>\n<\/tr>\n<tr>\n<td width=\"147\">Droog gewicht<\/td>\n<td width=\"705\">1% max<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong><br \/>\nUV-absorptiespectrum :<\/strong><\/p>\n<p><strong>Toepassingen<\/strong><strong><b>:<\/b><\/strong><\/p>\n<p>1. Fotoinitiator 6993: Deze fotoinitiator blinkt uit in het uitharden van alicyclische epoxyharsen zoals Sinepoxy CER-421 en Sinepoxy CER-4299. Hij is perfect afgestemd op deze alicyclische epoxyharsen en maakt effici\u00ebnte uithardingsprocessen mogelijk. Daarnaast heeft het ook uitstekende uithardingseffecten op vinylethers en andere kationische uithardingsmaterialen. Historisch gezien was de opkomst en toepassing van fotoinitiatoren een belangrijke innovatie in de technologie voor het uitharden van materialen. In het verleden was het uithardingsproces van veel materialen omslachtig en tijdrovend, maar de komst van fotoinitiatoren verkortte dit proces aanzienlijk, verbeterde de productie-effici\u00ebntie en bevorderde de snelle ontwikkeling van aanverwante industrie\u00ebn.<\/p>\n<p>2. Een diepere analyse toont aan dat in het toepassingsscenario van transparante coatings, het gehalte aan fotoinitiator 6993 in de startformule uiterst kritisch is. Het gehalte wordt gespecificeerd in een bereik van 1,5-3,0% (in gewicht). Dit getal is niet willekeurig vastgesteld, maar is bepaald op basis van uitgebreide experimenten en praktische toepassingen. In het beginstadium van de productontwikkeling werd het gehalte aan fotoinitiator 6993 bijvoorbeeld verhoogd tot 5%, maar dit bleek een onevenwichtigheid te veroorzaken in sommige eigenschappen van de coating, zoals een toename in hardheid en een aanzienlijke afname in taaiheid, waardoor de coating vatbaarder werd voor barsten bij impact door externe krachten. Omgekeerd, als het gehalte te laag is, bijvoorbeeld lager dan 1%, is het uithardingseffect niet goed en kan niet aan de gewenste sterkte en stabiliteit van de coating worden voldaan. Daarom is het gehaltebereik van 1,5-3,0% het optimale bereik dat wordt verkregen na uitvoerige overweging van de verschillende prestatie-indicatoren van de coating, die ervoor kunnen zorgen dat de transparante coating een goed uithardingseffect heeft met behoud van evenwichtige fysische eigenschappen.<\/p>\n<p>3. Laten we een nieuw hypothetisch scenario onderzoeken. Stel dat in de toekomst voor een speciaal project materialen met een transparante coating en fotoinitiator 6993 nodig zijn die uitharden in een extreem ruwe omgeving, zoals hoge druk in de diepzee, sterke corrosie of hoge straling en temperatuurwisselingen in de ruimte. Voldoet het bestaande gamma van 1,5 - 3,0% fotoinitiator 6993 dan nog aan de vereisten? Dit vereist verder onderzoek en aanpassing. Misschien moet in de diepzeeomgeving, vanwege de hoge druk en hoge corrosiviteit van het zeewater, het gehalte aan fotoinitiator 6993 juist worden verhoogd om de uithardingssterkte en corrosiebestendigheid van de coating te verbeteren, maar tegelijkertijd moet er rekening worden gehouden met andere prestatieproblemen die kunnen worden veroorzaakt door een te hoog gehalte, zoals de eerder genoemde afname van de taaiheid. In de ruimteomgeving kan het, gezien de hoge straling en drastische temperatuursveranderingen, nodig zijn om een nieuw formuleringssysteem te ontwikkelen dat kan zorgen voor de effectieve uitharding van fotoinitiator 6993 en tegelijkertijd enkele speciale stralingsbestendige en temperatuurregulerende materialen toevoegt die synergetisch werken met de bestaande ingredi\u00ebnten om te voldoen aan de eisen voor gebruik in de ruimteomgeving.<\/p>\n<p><strong><b>P<\/b><\/strong><strong><b>ackaging en verzending<\/b><\/strong><strong><b>:<\/b><\/strong><\/p>\n<p>Verpakking: 25kgs tot 200kgs\/trommel.<\/p>\n<p>Levering: binnen 5-7 werkdagen.<\/p>\n<p><strong><b>Opslag:<\/b><\/strong><\/p>\n<p>Bewaren op een koele, droge plek uit direct zonlicht.<\/p>\n<h2><strong><b>Neem nu contact met ons op!<\/b><\/strong><\/h2>\n<h4><strong><b>Als je Price nodig hebt, vul dan je contactgegevens in op het formulier hieronder. We nemen dan meestal binnen 24 uur contact met je op. Je kunt me ook een e-mail sturen <span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"mailto:info@changhongchemical.com\">info@changhongchemical.com<\/a><\/span>\u00a0tijdens kantooruren (8:30 tot 18:00 UTC+8 ma. ~ za.) of gebruik de live chat op de website voor een snel antwoord.<\/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:\/\/changhongchemical.com\/product\/photoinitiator-tpo-cas-75980-60-8\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/cas-270586-78-2\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/photoinitiator-pd-01-cas-579-07-7\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/photoinitiator-pbz-cas-2128-93-0\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/photoinitiator-oxe-02-cas-478556-66-0\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/photoinitiator-ombb\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/photoinitiator-mpbz-6012\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/photoinitiator-mbp-cas-134-84-9\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/photoinitiator-mbf-cas-15206-55-0\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/photoinitiator-lap-cas-85073-19-4\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/photoinitiator-itx-cas-5495-84-1\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/photoinitiator-emk\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/photoinitiator-eha-cas-21245-02-3\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/photoinitiator-edb-cas-10287-53-3\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/photoinitiator-detx-cas-82799-44-8\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/photoinitiator-cq\/\"><span style=\"color: #00ccff;\">Fotoinitiator CQ \/ Kamferchinon<\/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:\/\/changhongchemical.com\/product\/photoinitiator-cbp-cas-134-85-0\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/photoinitiator-bp-cas-119-61-9\/\"><span style=\"color: #00ccff;\">Fotoinitiator BP \/ Benzofenon<\/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:\/\/changhongchemical.com\/product\/photoinitiator-bms\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/photoinitiator-938\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/photoinitiator-937-cas-71786-70-4\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/photoinitiator-819-dw\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/photoinitiator-819-irgacure-819-cas-162881-26-7\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/photoinitiator-784-cas-125051-32-3\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/photoinitiator-754-cas-211510-16-6-442536-99-4\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/photoinitiator-6993-cas-71449-78-0\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/photoinitiator-6976\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/photoinitiator-379-cas-119344-86-4\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/photoinitiator-369-cas-119313-12-1\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/photoinitiator-160\/\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/photoinitiator-1206\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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:\/\/changhongchemical.com\/product\/irgacure-1173-cas-7473-98-5\/\"><span style=\"color: #00ccff;\">Fotoinitiator 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><strong> 6993<\/strong> is een kationische fotoinitiator, de triarylsulfonium zout fotoinitiator heeft een hoge fotoinitiiatie activiteit omdat het zwavelatoom gedeeltelijk kan worden geconjugeerd met drie aromatische ringen, en de positieve lading is verspreid. Na lichte opwinding kan het splitsing ondergaan om polymerisatie actieve species te produceren; het heeft goede absorptie bij 365nm; Het heeft de kenmerken van snelle uithardingssnelheid, goede oppervlaktedroging, geen vergeling, geen migratie, en geen geur.<\/p>","protected":false},"featured_media":8076,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[175,174],"product_tag":[],"class_list":{"0":"post-7571","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 v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cationic Photoinitiator- 6993 CAS NO 71449-78-0 manufacturer -Changhong Chemical<\/title>\n<meta name=\"description\" content=\"6993 ( CAS NO 71449-78-0 )is 4-Thiophenyl phenyl diphenyl sulfonium hexafluoroantimonate,Mixed Sulfonium Hexafluoroantimonates cationic photoinitiator,aka UV Cationic Photoinitiator 6993;UVI-6993;UVI-6976,designed for the cationic curing of optical films, inks, photo resists and coatings,Changhong Chemical is a professional manufacturer and supplier of photoinitiator in China.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/changhongchemical.com\/nl\/product\/photoinitiator-6993-cas-71449-78-0\/\" \/>\n<meta property=\"og:locale\" content=\"nl_NL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cationic Photoinitiator- 6993 CAS NO 71449-78-0 manufacturer -Changhong Chemical\" \/>\n<meta property=\"og:description\" content=\"6993 ( CAS NO 71449-78-0 )is 4-Thiophenyl phenyl diphenyl sulfonium hexafluoroantimonate,Mixed Sulfonium Hexafluoroantimonates cationic photoinitiator,aka UV Cationic Photoinitiator 6993;UVI-6993;UVI-6976,designed for the cationic curing of optical films, inks, photo resists and coatings,Changhong Chemical is a professional manufacturer and supplier of photoinitiator in China.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/changhongchemical.com\/nl\/product\/photoinitiator-6993-cas-71449-78-0\/\" \/>\n<meta property=\"og:site_name\" content=\"Changhong Chemical\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-07T08:37:43+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2024\/11\/71449-78-0.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Geschatte leestijd\" \/>\n\t<meta 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