{"id":5647,"date":"2022-10-03T12:58:35","date_gmt":"2022-10-03T12:58:35","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5647"},"modified":"2026-04-28T10:42:09","modified_gmt":"2026-04-28T10:42:09","slug":"why-is-it-necessary-to-add-a-polymerization-inhibitor-to-light-curing-coatings","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/nl\/why-is-it-necessary-to-add-a-polymerization-inhibitor-to-light-curing-coatings\/","title":{"rendered":"Waarom is het nodig om een polymerisatie-inhibitor toe te voegen aan lichtuithardende coatings?"},"content":{"rendered":"<h1><strong>Waarom is het nodig om een polymerisatie-inhibitor toe te voegen aan lichtuithardende coatings?<\/strong><\/h1>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>Quick answer:<\/strong> Photoinitiator choice is usually driven by lamp match, cure depth, yellowing, and whether the final film still performs on the real substrate. The best package is rarely the cheapest single grade.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>In het productieproces van coatings, sommige soorten coatings bevatten een hoge polymerisatie activiteit van stoffen, gemakkelijk worden be\u00efnvloed door externe factoren en polymerisatie, om lichtuithardende coatings, bijvoorbeeld, de belangrijkste samenstelling van lichtuithardende coatings oligomeren en actieve verdunningsmiddelen zijn hoge polymerisatie activiteit van acrylaten, een andere belangrijke samenstelling van fotoinitiatoren en zeer gemakkelijk om vrije radicalen of kationen van stoffen te produceren. In een dergelijk gemengd systeem is het erg gemakkelijk om te polymeriseren onder invloed van extern licht en warmte, dus is het noodzakelijk om de juiste hoeveelheid polymerisatieremmer toe te voegen. Dit artikel introduceert de eigenschappen en toepassingen van polymerisatieremmers voor lezers.<\/p>\n<p>Polymerisatieremmer moet polymerisatie van additieven voorkomen. Polymerisatieremmer kan alle vrije radicalen be\u00ebindigen, zodat de polymerisatiereactie volledig wordt gestopt. Veel gebruikte polymerisatieremmers zijn fenolen, aromatische aminen, aromatische nitroverbindingen, enz. Zuurstof in de lucht is een goede polymerisatieremmer, omdat zuurstof zelf een dubbelradicaal is, heel gemakkelijk te combineren met vrije radicalen, peroxidestralicalen te genereren, initiatieactiviteit sterk te verminderen en uiteindelijk monomeer en peroxidebinding afwisselende oligomeren te genereren. Polymerisatieremmers voor lichtuithardende coatings worden voornamelijk gebruikt op basis van fenolen, zoals p-hydroxyanisool, hydrochinon en 2,6-di-tert-butyl-p-cresol. Vanwege de toevoeging van hydrochinon, soms leiden tot het systeem kleur donkerder, vaak niet gebruikt. Maar fenolpolymerisatieremmers moeten in aanwezigheid van zuurstof zijn om het polymerisatieblokkerende effect te laten zien.<\/p>\n<p>In aanwezigheid van fenol polymerisatie remmers, zodat de peroxide radicalen snel worden be\u00ebindigd om ervoor te zorgen dat er voldoende concentratie van zuurstof in het systeem, verlenging van de blokkeertijd. Daarom, in aanvulling op de toevoeging van fenol polymerisatie remmers om de stabiliteit bij opslag te verbeteren, moeten we ook aandacht besteden aan de opslag van de verf in de container kan niet te vol zijn, om ervoor te zorgen dat er voldoende zuurstof.<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>A practical selection route for photoinitiator-related projects<\/h2>\n<p>When technical buyers or formulators screen photoinitiators, the most useful decision frame is usually cure quality plus application fit: which package cures reliably, keeps appearance acceptable, and still works under the lamp, film thickness, and substrate conditions of the actual process.<\/p>\n<ul>\n<li><strong>Match the package to the lamp first:<\/strong> mercury lamps, UV LEDs, and visible-light systems can rank the same photoinitiators very differently.<\/li>\n<li><strong>Check depth cure and surface cure separately:<\/strong> a film that feels dry on top can still be weak underneath.<\/li>\n<li><strong>Balance yellowing with reactivity:<\/strong> the strongest deep-cure route is not always the best commercial choice if color or migration risk becomes unacceptable.<\/li>\n<li><strong>Use the final formula as the benchmark:<\/strong> pigment load, monomer package, and film thickness can all change the apparent ranking of the same initiator.<\/li>\n<\/ul>\n<h3>Recommended product references<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/nl\/product\/photoinitiator-tpo-l-cas-84434-11-7\/\">CHLUMINIT TPO-L<\/a>:<\/strong> A strong low-yellowing reference for LED-oriented UV systems.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/nl\/product\/photoinitiator-819-irgacure-819-cas-162881-26-7\/\">CHLUMINIT 819<\/a>:<\/strong> Useful when a formulation needs stronger absorption and deeper cure support.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/nl\/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\/nl\/product\/cas-270586-78-2\/\">CHLUMINIT TMO<\/a>:<\/strong> A valuable comparison point when lower yellowing or TPO-replacement discussions matter.<\/li>\n<\/ul>\n<h3>FAQ for buyers and formulators<\/h3>\n<p><strong>Why are blended photoinitiator packages so common?<\/strong><br \/>Because one product may control yellowing or lamp fit well while another improves cure depth or line-speed performance, so the full package is often stronger than any single grade.<\/p>\n<p><strong>Should incomplete cure always be solved by adding more initiator?<\/strong><br \/>Not automatically. The real limitation may be the lamp, film thickness, pigment shading, or the rest of the reactive system rather than simple under-dosage.<\/p>\n<p><!-- lc-commercial-end --><\/p>","protected":false},"excerpt":{"rendered":"<p>In the production process of coatings, some types of coatings contain high polymerization activity of substances, easy to be affected by external factors and polymerization, to light-curing coatings, for example,<\/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-5647","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>Why is it necessary to add a polymerization inhibitor to light-curing coatings? - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"In the production process of coatings, some types of coatings contain high polymerization activity of substances, easy to be affected by external factor...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangchemical.com\/nl\/why-is-it-necessary-to-add-a-polymerization-inhibitor-to-light-curing-coatings\/\" \/>\n<meta property=\"og:locale\" content=\"nl_NL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Why is it necessary to add a polymerization inhibitor to light-curing coatings? 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