{"id":5817,"date":"2022-12-26T13:09:58","date_gmt":"2022-12-26T13:09:58","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5817"},"modified":"2026-04-28T10:42:12","modified_gmt":"2026-04-28T10:42:12","slug":"uv-monomers-and-common-polymerization-inhibitors","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/nl\/uv-monomers-and-common-polymerization-inhibitors\/","title":{"rendered":"UV-monomeren en gebruikelijke polymerisatieremmers"},"content":{"rendered":"<h1><strong>UV-monomeren en gebruikelijke polymerisatieremmers<\/strong><\/h1>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>Snel antwoord:<\/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>Lichtuithardend product is een speciaal product met een zeer hoge polymerisatieactiviteit. De hoofdbestanddelen - oligomeer en actief verdunningsmiddel - hebben een hoge polymerisatieactiviteit van acrylaten, een ander belangrijk bestanddeel - fotoinitiator en extreem gemakkelijk om vrije radicalen of kationen te produceren. In een dergelijk gemengd systeem, extreem kwetsbaar voor extern licht, warmte en andere effecten van polymerisatie, moet worden toegevoegd aan de juiste hoeveelheid polymerisatieremmers.<\/p>\n<p>Polymerisatieremmer (polymerisatieremmer), zoals de naam al aangeeft, voorkomt het optreden van polymerisatie van additieven. Polymerisatieremmers kunnen alle vrije radicalen be\u00ebindigen, zodat de polymerisatiereactie volledig stopt. Veel gebruikte inhibitoren zijn fenolen, chinonen, aromatische aminen, aromatische nitroverbindingen, enz. Zuurstof in de lucht is een goede remmer van polymerisatie, omdat zuurstof zelf een dubbelradicaal is, zeer gemakkelijk te combineren met vrije radicalen, peroxidestralicalen te genereren, initiatieactiviteit wordt sterk verminderd, en uiteindelijk monomeer en peroxide binding afwisselende oligomeren te genereren. Polymerisatieremmers voor lichtuithardende producten worden voornamelijk gebruikt op basis van fenolen, zoals p-hydroxyanisool, hydrochinon en 2,6-di-tert-butyl-p-cresol. Vanwege de toevoeging van hydrochinon, dat soms de kleur van het systeem donkerder maakt, wordt het vaak niet gebruikt.<\/p>\n<p>In aanwezigheid van fenol polymerisatie remmers, zodat de peroxide radicaal snel be\u00ebindigd om ervoor te zorgen dat het systeem een voldoende concentratie van zuurstof heeft, verlenging van de blokkeertijd. Daarom lichtuithardende producten in aanvulling op de toevoeging van fenol polymerisatie remmers om de stabiliteit bij opslag te verbeteren, maar moet ook aandacht besteden aan de opslag van het product in de container kan niet te vol om ervoor te zorgen dat er voldoende zuurstof.<\/p>\n<p>&nbsp;<\/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>Aanbevolen productreferenties<\/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\/iboa-monomer-cas-5888-33-5\/\">CHLUMICRYL IBOA<\/a>:<\/strong> Een sterke monomeerreferentie met lage viscositeit wanneer hardheid en goede vloeibaarheid van belang zijn.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/nl\/product\/tmpta-cas-15625-89-5\/\">CHLUMICRYL TMPTA<\/a>:<\/strong> Een standaard reactieve monomeer benchmark wanneer een hogere dwarsbindingsdichtheid vereist is.<\/li>\n<\/ul>\n<h3>Veelgestelde Vragen voor kopers en formuleringsdeskundigen<\/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>Light-curing product is a special product with very high polymerization activity. Its main components &#8211; oligomer and active diluent are high polymerization activity of acrylates, another important component &#8211; photoinitiator<\/p>","protected":false},"author":1,"featured_media":5188,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-5817","post","type-post","status-publish","format-standard","has-post-thumbnail","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>UV monomers and common polymerization inhibitors - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"Light-curing product is a special product with very high polymerization activity. 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