{"id":7866,"date":"2025-01-23T11:52:20","date_gmt":"2025-01-23T11:52:20","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=7866"},"modified":"2026-04-28T10:42:48","modified_gmt":"2026-04-28T10:42:48","slug":"photoinitiator-improved-adhesion-to-substrates","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/nl\/photoinitiator-improved-adhesion-to-substrates\/","title":{"rendered":"Fotoinitiator Verbeterde hechting aan substraten"},"content":{"rendered":"<p><strong>Fotoinitiator Verbeterde hechting aan substraten<\/strong><\/p>\n<p>Omdat UV-offsetinkten onmiddellijk uitharden en uitharden bij lage temperaturen, kunnen ze niet alleen worden gebruikt op gewoon papier, maar ook op verschillende niet-absorberende papiersoorten en kunststoffen zoals synthetisch papier, papier met metaalcoating, PVC, PC, enzovoort. Echter, tijdens vrije radicale polymerisatie verandert de afstand tussen monomeren of oligomeren van de afstand van der Waals-kracht v\u00f3\u00f3r uitharding in de afstand van covalente binding na uitharding, en de afstand tussen de twee krimpt, dus de volumekrimp is duidelijk. In combinatie met de uithardingstijd is erg kort, de inktlaag van de interne restspanning is erg groot, dus in vergelijking met de algemene inkt op basis van oplosmiddelen, UV-offset inkt heeft de neiging om de hechting te verslechteren.<\/p>\n<p>Op dit moment kan UV-offset inkt voor sommige speciale kunststofsubstraten (zoals PE, PP en een deel van de PET) geen goede hechting bieden, voornamelijk omdat dergelijke materialen actieve verdunner hebben die niet kan worden opgelost, lage oppervlaktepolariteitskenmerken hebben, is uitgehard tussen de inktfilm en het substraat kan geen effectieve kracht vormen, wat resulteert in slechte hechting. Het oplossen van het hechtingsprobleem van UV-offsetinkt op deze kunststoffen is een onoverkomelijk technisch probleem in de industrie. Volgens praktische ervaringen, om het hechtingsprobleem van UV-offset inkt op moeilijke substraten op te lossen, meestal uit de volgende aspecten: \u2460 Verhoog de actieve verdunner met lage oppervlaktespanning om de bevochtigbaarheid van de inkt op het substraat te verbeteren. \u2461 Selecteer actief verdunningsmiddel en oligomeer met een lage functionaliteit om de inktspanning en volumekrimp te verminderen. \u2462 Selecteer oligomeer met hoog moleculair gewicht en lage Tg. \u2463 Gebruik oligomeer met een speciale functionele groep, zoals gechloreerd polyesteracrylaat. \u2464 Voeg adhesiepromotor toe.<\/p>\n<p>Een dergelijke behandeling leidt echter vaak tot een slechte uitharding van de inkt en een verslechtering van de bedrukbaarheid. Vanuit de toepassingssituatie is het erg moeilijk om UV-offsetinkt goede hechtprestaties te laten hebben op alle substraten, dus terwijl de inktprestaties worden verbeterd, is het ook noodzakelijk om de oppervlaktevoorbehandeling van het substraat uit te voeren (zoals coronabehandeling, vlambehandeling) of de viscositeit van de primercoating te verbeteren, enz. Kortom, moet worden gecombineerd met het drukproces om het probleem van UV-offset inkt op te lossen voor het substraat hechting moeilijkheden.<\/p>\n<p>Het gebruik van UV-offsetinkt vereist ook aandacht voor de volgende zaken.<\/p>\n<p>(1) Drukplaat<br \/>\nOffsetdrukken kan zowel positieve als negatieve PS-platen gebruiken. In het geval van een PS-plaat van het positieve type moet een PS-plaat van het positieve type worden gebruikt die gespecialiseerd is in UV-inkt omdat de actieve verdunningsmiddelen en fotoinitiatoren de punten van de gewone PS-plaat kunnen ontbinden, wat resulteert in een afname van de drukweerstand van de drukplaat. Als je een algemene positieve PS-plaat gebruikt, moet je de plaat bakken, dat wil zeggen, volgens de conventionele methode van de door de zon gemaakte gewone PS-plaat, moet je de plaat 10 tot 15 minuten bakken (temperatuur 250 \u2103).CTP-plaat moet de plaat ook 10 tot 15 minuten bakken (temperatuur 250 \u2103).<\/p>\n<p>(2) Rubberen rollen en dekens<br \/>\nOm UV speciale rollen te gebruiken, kan het gebruik van inkt op oliebasis en UVinkttype rollen ook voor zijn effect worden gebruikt. Deken selectie van algemene inkt op basis van olie, UV-inkt met de deken kan worden, maar als gevolg van de UV-inkt in de actieve verdunningsmiddel zal worden in het drukproces op de gewone rollen en dekens door te dringen, aan de ene kant, wat resulteert in een vermindering van de actieve verdunningsmiddel in de inkt, het vernietigen van de vloeibaarheid van de inkt, aan de andere kant, wat resulteert in de corrosie van de rollen en dekens, op korte termijn zal leiden tot het oppervlak van de rubber rollen en dekens en de uitbreiding van het oppervlak vervorming van het oppervlak van het glas, de lange termijn afdrukken van de rollen en dekens. De drukrollen en dekenoppervlakte op lange termijn zal het gelokaliseerde pellen of barsten zijn. Kies dus meestal EPDM-rubber (EPDM-rubber) of siliconenrubber van rubberrollen, de beste hardheid in Shaw's 40SH of meer. Selecteer UV speciale rubberen deken, de rubberen deken mengsel van anti-UV-hars componenten toe te voegen, kan UV-straling bestand zijn tegen rubberen deken is niet gemakkelijk te poeder. Of gebruik UV zelfklevende deken, de deken bevat ook anti-UV-hars componenten, voor UV-druk, kan het leven worden verlengd.<\/p>\n<p>(3) Dispergeren en malen<br \/>\nUV-offset drukinkt pigment gebruikt in een verscheidenheid van inkten in de grootste, over het algemeen in 15% tot 21%, dus dispersie, malen is erg belangrijk, meestal de eerste dispergerende hars, actieve verdunner, bevochtigen en dispergeermiddel en pigment dispersie in de zandmolen op de dispersie, malen, gemaakt van kleurpasta, en meng dan de rest van de componenten, met drie-rol machine malen gemaakt van inkt.<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>How formulators usually evaluate this photoinitiator topic<\/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\/irgacure-1173-cas-7473-98-5\/\">CHLUMINIT 1173<\/a>:<\/strong> A practical comparison point for classic short-wave UV initiation.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/nl\/product\/photoinitiator-itx-cas-5495-84-1\/\">CHLUMINIT ITX<\/a>:<\/strong> A useful long-wave support route in many printing-ink packages.<\/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<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<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 <a href=\"mailto:info@longchangchemical.com\"><span style=\"color: #00ccff;\">info@longchangchemical.com<\/span><\/a>\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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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:\/\/longchangchemical.com\/nl\/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>Because UV offset inks have instantaneous curing and low-temperature curing characteristics, they can be used not only on ordinary paper, but also on a variety of non-absorbent papers and plastics<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[185],"tags":[],"class_list":["post-7866","post","type-post","status-publish","format-standard","hentry","category-photoinitiator"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Photoinitiator Improved adhesion to substrates - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"Because UV offset inks have instantaneous curing and low-temperature curing characteristics, they can be used not only on ordinary paper, but also on a...\" \/>\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\/photoinitiator-improved-adhesion-to-substrates\/\" \/>\n<meta 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