{"id":5401,"date":"2022-07-23T13:33:09","date_gmt":"2022-07-23T13:33:09","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5401"},"modified":"2026-04-28T10:42:04","modified_gmt":"2026-04-28T10:42:04","slug":"what-are-the-elements-in-selecting-uv-oligomers-for-light-curing-coating-formulations","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/nl\/what-are-the-elements-in-selecting-uv-oligomers-for-light-curing-coating-formulations\/","title":{"rendered":"Wat zijn de elementen bij de selectie van UV-oligomeren voor lichtuithardende coatingformules?"},"content":{"rendered":"<h1><strong>Wat zijn de elementen bij de selectie van UV-oligomeren voor lichtuithardende coatingformules?<\/strong><\/h1>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>Quick answer:<\/strong> In most UV systems, photoinitiators are selected by balancing wavelength fit, through-cure, color control, and line speed. Buyers usually compare a blended package instead of one isolated product.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>Lichtuithardende coatings zijn ook bekend als UV-uithardende coatings, die UV-licht gebruiken als energiebron voor het uitharden van de coating. Ze kunnen snel worden uitgehard op ondergronden zoals papier, kunststof, leer en hout zonder dat er warmte voor nodig is. Lichtuithardende coatings bestaan voornamelijk uit lichtuithardende harsen (oligomeren), fotoinitiatoren (fotosensibilisatoren), verdunners en additieven. Lichtuithardende harsen zijn over het algemeen harsen met een laag moleculair gewicht en onverzadigde bindingen, zoals onverzadigde polyesters, acryloligomeren, enz. Dit artikel bespreekt de elementen van de selectie van lichtuithardende harsen (oligomeren) in lichtuithardende verfformules.<\/p>\n<p>I. Viscositeit.<\/p>\n<p>De keuze van hars met een lage viscositeit kan de hoeveelheid actieve verdunner verminderen. Maar hars met een lage viscositeit heeft vaak een lage relatieve moleculaire massa en zal de fysische en mechanische eigenschappen van de uitgeharde film be\u00efnvloeden.<\/p>\n<p>Ten tweede, de uithardingssnelheid van het licht.<\/p>\n<p>Over het algemeen geldt: hoe hoger de functionele graad van lichtuithardende hars, hoe sneller de lichtuithardingssnelheid, epoxyacrylaat lichtuithardingssnelheid is snel, amine gemodificeerde oligomeer lichtuithardingssnelheid is ook snel. Het is een zeer belangrijke voorwaarde om een hars met snelle lichtuitharding te kiezen, die niet alleen de hoeveelheid fotoinitiator kan verminderen, maar ook kan voldoen aan de eisen van snelle uitharding van lichtuithardende coatinglijn.<\/p>\n<p>Ten derde, fysische en mechanische eigenschappen.<\/p>\n<p>De fysische en mechanische eigenschappen van lichtuithardende verffilm worden voornamelijk bepaald door de prestaties van de lichtuithardende harsuithardende film, en de fysische en mechanische eigenschappen van verschillende vari\u00ebteiten van lichtuithardende verfvereisten zijn verschillend, de keuze van lichtuithardende hars is ook verschillend. De fysische en mechanische eigenschappen van de verffilm zijn voornamelijk de volgende indicatoren.<\/p>\n<p>De hardheid, epoxyacrylaat en onverzadigde polyester algemene hardheid, oligomeer die benzeenringstructuur bevatten is ook bevorderlijk om de hardheid te verbeteren. Hoge functionaliteit, hoge crosslinkdichtheid, hoge Tg en hoge hardheid.<\/p>\n<p>Flexibiliteit: urethaanacryl, polyesteracryl, polyetheracryl en zuivere acryl zijn over het algemeen flexibeler. Oligomeren bevatten alifatische lange koolstofketenstructuren en zijn flexibel. Hoe hoger de relatieve molecuulmassa, hoe flexibeler. Lage Tg, goede buigzaamheid.<\/p>\n<p>Slijtvastheid, urethaan acrylhars heeft een goede slijtvastheid. Goede slijtvastheid voor oligomeren met gemakkelijke vorming van waterstofbruggen tussen moleculen. Hoge cross-link dichtheid, goede slijtvastheid.<\/p>\n<p>Treksterkte, epoxyacrylaten en onverzadigde polyesters hebben een hoge treksterkte, over het algemeen een hogere relatieve molecuulmassa, grotere polariteit, minder flexibiliteit en sterker vernette oligomeren hebben een hogere treksterkte.<\/p>\n<p>Slagvastheid, urethaan acrylharsen, polyester acrylharsen, polyether acrylharsen en zuivere acrylharsen hebben een betere slagvastheid. Lage Tg, flexibele oligomeren met een goede slagvastheid in het algemeen.<\/p>\n<p>Hechting, oligomeren met lage krimp, goede hechting aan substraten; oligomeren met groepen zoals -OH en -COOH hebben goede hechting aan metalen. Oligomeren met lage oppervlaktespanning, goede bevochtiging en spreiding op substraten, goed voor hechting.<\/p>\n<p>Weerstand tegen vergeling, alifatische polyurethaan acrylharsen, polyether acrylharsen en zuivere acrylharsen hebben een goede weerstand tegen vergeling. De toevoeging van geschikte antivergelingsmiddelen aan de formulering kan de weerstand tegen vergeling van lichtuithardende coatings vaak effectief verbeteren.<\/p>\n<p>Chemische weerstand: epoxyacrylaten, polyurethaanacrylaten en polyesteracrylaten hebben allemaal een goede chemische weerstand, maar polyesteracrylaten zijn minder goed bestand tegen alkali\u00ebn; door de dichtheid van de crosslinking tijdens het uitharden te verhogen, wordt de chemische weerstand van het product verhoogd.<\/p>\n<p>Glans, epoxy acrylaten en onverzadigde polyesters hebben een hoge glans, crosslink dichtheid toeneemt, glans toeneemt. hoge Tg, hoge brekingsindex van oligomeren goede glans.<\/p>\n<p>De bevochtigbaarheid van pigmenten, algemeen vetzuur- en aminegemodificeerde oligomeren hebben een betere bevochtigbaarheid van pigmenten, met -OH en -COOH oligomeren hebben ook een betere bevochtigbaarheid van pigmenten.<\/p>\n<p>Ten vierde, de lichtuithardende hars (oligomeer) uithardingskrimp.<\/p>\n<p>Lage uithardingskrimp is bevorderlijk voor het verbeteren van de hechting van de uitgeharde film aan het substraat, oligomeerfunctionaliteiten nemen toe, de dichtheid van de crosslinking neemt toe, de uithardingskrimp neemt ook toe.<\/p>\n<p>Ten vijfde, de glasovergangstemperatuur van het oligomeer Tg.<\/p>\n<p>Oligomeer Tg hoog, over het algemeen hoge hardheid, goede glans; oligomeer Tg laag, goede flexibiliteit, slagvastheid of.<\/p>\n<p>Ten zesde, toxiciteit en irritatie.<\/p>\n<p>Oligomeer als gevolg van de relatieve molecuulmassa groter zijn, de meeste van de viskeuze hars, niet vluchtig, niet brandbaar en explosieve items, de toxiciteit is ook laag, huidirritatie is ook laag.<\/p>\n<h2><strong>Producten uit dezelfde serie<\/strong><\/h2>\n<table style=\"border-collapse: collapse; width: 383.27pt;\" border=\"0\" width=\"511\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"height: 48.00pt;\">\n<td style=\"height: 48.00pt; width: 119.25pt;\" width=\"159\" height=\"64\"><a href=\"https:\/\/longchangchemical.com\/nl\/product\/iboma-cas-7534-94-3\/\"><span style=\"color: #00ccff;\"> IBOMA<\/span><\/a><\/td>\n<td class=\"et4\" style=\"width: 182.25pt;\" width=\"243\">Isobornylmethacrylaat<\/td>\n<td class=\"et5\" style=\"width: 81.75pt;\" width=\"109\">7534-94-3<\/td>\n<\/tr>\n<tr style=\"height: 48.00pt;\">\n<td style=\"height: 48.00pt;\" height=\"64\"><span style=\"color: #00ccff;\"> CTFA<\/span><\/td>\n<td class=\"et4\" style=\"width: 182.25pt;\" width=\"243\">(5-ethyl-1,3-dioxaan-5-yl)methylacrylaat<\/td>\n<td class=\"et5\" style=\"width: 81.75pt;\" width=\"109\">66492-51-1<\/td>\n<\/tr>\n<tr style=\"height: 48.00pt;\">\n<td style=\"height: 48.00pt;\" height=\"64\"><a href=\"https:\/\/longchangchemical.com\/nl\/product\/-iboa-cas-5888-33-5\/\"><span style=\"color: #00ccff;\"> IBOA<\/span><\/a><\/td>\n<td class=\"et4\" style=\"width: 182.25pt;\" width=\"243\">Isobornylacrylaat<\/td>\n<td class=\"et5\" style=\"width: 81.75pt;\" width=\"109\">5888-33-5<\/td>\n<\/tr>\n<tr style=\"height: 48.00pt;\">\n<td style=\"height: 48.00pt;\" height=\"64\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"https:\/\/longchangchemical.com\/nl\/product\/tpgda-cas-42978-66-5\/\"> TPGDA<\/a><\/span><\/td>\n<td class=\"et4\" style=\"width: 182.25pt;\" width=\"243\">Tripropyleenglycol diacrylaat<\/td>\n<td class=\"et5\" style=\"width: 81.75pt;\" width=\"109\">42978-66-5<\/td>\n<\/tr>\n<tr style=\"height: 48.00pt;\">\n<td style=\"height: 48.00pt;\" height=\"64\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"https:\/\/longchangchemical.com\/nl\/product\/peta-cas-3524-68-3\/\"> PETA<\/a><\/span><\/td>\n<td class=\"et4\" style=\"width: 182.25pt;\" width=\"243\">Pentaerytritoltriacrylaat<\/td>\n<td class=\"et5\" style=\"width: 81.75pt;\" width=\"109\">3524-68-3<\/td>\n<\/tr>\n<tr style=\"height: 48.00pt;\">\n<td style=\"height: 48.00pt;\" height=\"64\"><a href=\"https:\/\/longchangchemical.com\/nl\/product\/tmptma-cas-3290-92-4\/\"><span style=\"color: #00ccff;\"> TMPTMA<\/span><\/a><\/td>\n<td class=\"et4\" style=\"width: 182.25pt;\" width=\"243\">Trimethylolpropaan trimethacrylaat<\/td>\n<td class=\"et5\" style=\"width: 81.75pt;\" width=\"109\">3290-92-4<\/td>\n<\/tr>\n<tr style=\"height: 48.00pt;\">\n<td style=\"height: 48.00pt;\" height=\"64\"><a href=\"https:\/\/longchangchemical.com\/nl\/product\/-thfa-cas-2399-48-6\/\"><span style=\"color: #00ccff;\"> THFA<\/span><\/a><\/td>\n<td class=\"et4\" style=\"width: 182.25pt;\" width=\"243\">Tetrahydrofurfuryl acrylaat<\/td>\n<td class=\"et5\" style=\"width: 81.75pt;\" width=\"109\">2399-48-6<\/td>\n<\/tr>\n<tr style=\"height: 48.00pt;\">\n<td style=\"height: 48.00pt;\" height=\"64\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"https:\/\/longchangchemical.com\/nl\/product\/npgda-cas-2223-82-7\/\"> NPGDA<\/a><\/span><\/td>\n<td class=\"et4\" style=\"width: 182.25pt;\" width=\"243\">Neopentyl glycol diacrylaat<\/td>\n<td class=\"et5\" style=\"width: 81.75pt;\" width=\"109\">2223-82-7<\/td>\n<\/tr>\n<tr style=\"height: 48.00pt;\">\n<td style=\"height: 48.00pt;\" height=\"64\"><span style=\"color: #00ccff;\"> TEGDA<\/span><\/td>\n<td class=\"et4\" style=\"width: 182.25pt;\" width=\"243\">Tri\u00ebthyleenglycoldiacrylaat<\/td>\n<td class=\"et5\" style=\"width: 81.75pt;\" width=\"109\">1680-21-3<\/td>\n<\/tr>\n<tr style=\"height: 48.00pt;\">\n<td style=\"height: 48.00pt;\" height=\"64\"><a href=\"https:\/\/longchangchemical.com\/nl\/product\/tmpta-cas-15625-89-5\/\"><span style=\"color: #00ccff;\"> TMPTA<\/span><\/a><\/td>\n<td class=\"et4\" style=\"width: 182.25pt;\" width=\"243\">Trimethylolpropaan triacrylaat<\/td>\n<td class=\"et5\" style=\"width: 81.75pt;\" width=\"109\">15625-89-5<\/td>\n<\/tr>\n<tr style=\"height: 48.00pt;\">\n<td style=\"height: 48.00pt;\" height=\"64\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"https:\/\/longchangchemical.com\/nl\/product\/142-90-5\/\"> LMA<\/a><\/span><\/td>\n<td class=\"et4\" style=\"width: 182.25pt;\" width=\"243\">Dodecylmethacrylaat \/ Laurylmethacrylaat<\/td>\n<td class=\"et5\" style=\"width: 81.75pt;\" width=\"109\">142-90-5<\/td>\n<\/tr>\n<tr style=\"height: 48.00pt;\">\n<td style=\"height: 48.00pt;\" height=\"64\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"https:\/\/longchangchemical.com\/nl\/product\/tegdma-cas-109-16-0\/\"> TEGDMA<\/a><\/span><\/td>\n<td class=\"et4\" style=\"width: 182.25pt;\" width=\"243\">Triethyleenglycol dimethacrylaat<\/td>\n<td class=\"et5\" style=\"width: 81.75pt;\" width=\"109\">109-16-0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><\/h2>\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\/iboa-monomer-cas-5888-33-5\/\">CHLUMICRYL IBOA<\/a>:<\/strong> A strong low-viscosity monomer reference when hardness and good flow both matter.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/nl\/product\/tmpta-cas-15625-89-5\/\">CHLUMICRYL TMPTA<\/a>:<\/strong> A standard reactive monomer benchmark when stronger crosslink density is required.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/nl\/product\/tpgda-cas-42978-66-5\/\">CHLUMICRYL TPGDA<\/a>:<\/strong> A practical reactive-diluent benchmark in many UV monomer and inkjet systems.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/nl\/product\/thfa-monomer-cas-2399-48-6\/\">CHLUMICRYL THFA<\/a>:<\/strong> Useful when monomer polarity and flexibility balance are part of the formulation screen.<\/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>\n<h2><strong><b>Neem nu contact met ons op!<\/b><\/strong><\/h2>\n<h4><strong><b>Als je een COA, MSDS of TDS nodig hebt, vul dan je contactgegevens in op het formulier hieronder. We nemen meestal binnen 24 uur contact met je op. U kunt mij ook een e-mail sturen <span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"mailto:info@longchangchemical.com\">info@longchangchemical.com<\/a><\/span> tijdens 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>","protected":false},"excerpt":{"rendered":"<p>Light curing coatings are also known as UV curing coatings, which use UV light as the energy source for curing the coating. They can be cured quickly on substrates such<\/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-5401","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>What are the elements in selecting UV oligomers for light-curing coating formulations? - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"Light curing coatings are also known as UV curing coatings, which use UV light as the energy source for curing the coating. 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