{"id":5871,"date":"2023-01-27T14:45:46","date_gmt":"2023-01-27T14:45:46","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5871"},"modified":"2024-12-18T01:26:36","modified_gmt":"2024-12-18T01:26:36","slug":"solve-the-pcb-circuit-board-photoresist-white-oil-yellowing","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/nl\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/","title":{"rendered":"Hoe de PCB printplaat fotoresist witte olie vergeling op te lossen?"},"content":{"rendered":"<h1><strong>Hoe de PCB printplaat fotoresist witte olie vergeling op te lossen?<\/strong><\/h1>\n<p>Printed circuit board fotoresist witte olie behoort tot de printplaat fotoresist inkt, en fotoresist inkt heeft veel gemeenschappelijke punten, zijn samengesteld uit hars, monomeer, initiator, verdunningsmiddel, vulstof, kleur poeder, additieven, het belangrijkste verschil wordt weerspiegeld in het gebruik van verschillende grondstoffen, dit artikel is van de hars, initiator, kleur poeder en additieven om de oorzaken van fotoresist witte olie vergeling te analyseren en de methode te verbeteren.<\/p>\n<p>&nbsp;<\/p>\n<h2><strong>I. Hars<\/strong><\/h2>\n<p>De eerste discussie is de hars, is het bekend dat de hars is het skelet van de inkt is essentieel voor de fotoresist witte olie hars is bijzonder belangrijk, fotoresist inkt (zoals groene olie, zwarte olie, blauwe olie) gebruikt in de hars meer dan o-kresol novolac epoxyhars of bisfenol A epoxyhars gewijzigd van de eerste ent acrylzuur aan een fotografische groep dubbele binding te introduceren, en vervolgens ent anhydride alkali-ontwikkelaar groep carboxylgroep te introduceren. De hars van deze structuur heeft een benzeenringstructuur, en de benzeenringstructuur kan gemakkelijk vrije radicalen produceren in UV-straling en een geconjugeerd systeem genereren met kleuremitterende groepen, en uiteindelijk kan het gemakkelijk vergelen.<\/p>\n<p>Deze structuur van de hars van fotoresist witte olie vergeling is ernstiger, in principe niet kan voldoen aan de behoeften van klanten, zodat de huidige fotoresist witte olie met behulp van de hars is meestal acrylhars, over het algemeen met een epoxy groep van acrylaat copolymeer, dan enten acrylzuur aan een fotografische groep dubbele binding te introduceren, en ten slotte enten anhydride alkali-ontwikkelaar groep carboxylgroep te introduceren.<\/p>\n<p>Deze acrylstructuur van de alkali-ontwikkelaarhars is te wijten aan de alifatische acrylepoxyhars, ultraviolet licht of hoge temperatuur is niet gemakkelijk om kleurgroepen te produceren, vast anti-vergelend effect om meer uitstekend te zijn.<\/p>\n<h2><strong>2. de initiatiefnemer<\/strong><\/h2>\n<p>Aangezien dit document de fotoresist witte olie bespreekt, is het systeem van nature minder fotoinitiatoren. Foto resist inkt systeem initiator is meestal isopropylthioanthrone (ITX), 2-methyl-1-(4-methylthiofenyl)-2-morfoline-1-propanon (907), 2-benzyl-2-dimethylamino-1-(4-morfolinofenyl) butanon (369), deze initiator systeem foto-initi\u00ebrende activiteit is zeer hoog, in principe kan voldoen aan het gebruik van de meeste foto resist inkt, maar dergelijke initiatiefnemers Het gemeenschappelijke kenmerk is dat deze initiatiefnemers zwavel, stikstof en andere heteroatomen bevatten, na ultraviolette straling is ook gemakkelijk te produceren chromoforen en vergeling, dus deze initiator systeem is niet geschikt voor het gebruik van fotolak witte olie.<\/p>\n<p>Fotoresist witte olie wordt momenteel gebruikt meer initiator systeem is niet gemakkelijk om vergeling producten, zoals 1-hydroxycyclohexyl fenyl keton (HCPK), 2,4,6-trimethylbenzoyl-difenyl fosfine oxide (TPO), fenyl bis (2,4,6-trimethylbenzoyl) fosfine oxide (819), met name TPO produceren, het is een vrije radicale fotoinitiator, geschikt voor lage vergeling en wit systeem, met photobleaching effect.<\/p>\n<p>&nbsp;<\/p>\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>\n<h2><strong>Drie, kleur poeder<\/strong><\/h2>\n<p>Photoresist inkt met behulp van zeer weinig hoeveelheid kleurpoeder, over het algemeen ftalocyanine blauw, ftalocyanine groen en andere organische kleurpoeder, de hoeveelheid additief zijn over het algemeen in een paar delen per miljoen tot een paar duizendsten, en photoresist witte olie met behulp van kleurpoeder is voornamelijk titaandioxide, de inhoud is over het algemeen in 20-40%, de huidige markt mainstream titaandioxide anataas en rutiel, anataas titaandioxide in licht verstrooiing, witheid en dekking zijn beter, maar de weersbestendigheid Poorer, terwijl de anataas titaandioxide zelf op het polymeer en de bijwerkingen van zelfkatalytische kraken veroudering; rutiel titaandioxide vanwege de oppervlaktebehandeling, dus de weersbestendigheid is beter, fotoresist witte olie is gemaakt in een heleboel verlichting panelen (zoals auto lichtpanelen, LED-lichtpanelen), langdurige blootstelling aan licht, de weersbestendigheid eisen zijn relatief hoog, dus de voorkeur rutiel titaandioxide. Op dit moment, de markt routinematig gebruik titaandioxide zoals DuPont R706, R960, R103, Ishihara R680, enz.<\/p>\n<p>Bovendien, fotoresist witte olie om mensen het gevoel meer wit effect, over het algemeen voeg wat blauw-fase kleur poeder in het systeem, de traditionele blauw-fase ftalocyanine blauw deze organische blauwe poeder gevoelig voor ultraviolet licht of hoge temperatuur veroudering, over het algemeen niet gebruikt; vaak gebruikt is ultramarijn, omdat ultramarijn is een anorganische stof, niet gemakkelijk op te lossen bij hoge temperaturen en niet gemakkelijk te kraken zelf vergeling, in aanvulling op ultramarijn kan elimineren fotoresist witte olie in het gele licht, om het effect van wit te verbeteren. Het effect van wit.<\/p>\n<h2><strong>4. additieven<\/strong><\/h2>\n<p>Fotoresist witte olie-systeem met behulp van de hars in hoge temperatuur of langdurige ultraviolette straling zal verouderingsproces, deze veroudering is het polymeer splitsing te produceren actieve radicalen voortgezet reactieproces, en dan splitsing veroudering vergeling, dus fotoresist witte olie naast het toevoegen van nivellering agent, dispergeermiddel, antischuimmiddel en andere algemene additieven, moet u de specifieke anti-vergeling additieven toe te voegen, de huidige markt gebruik van antioxidanten zijn voornamelijk de volgende drie .<\/p>\n<p>4.1 Amine antioxidant<\/p>\n<p>Amine antioxidant principe van actie is het voorkomen of remmen van de ketting initiatie reactie en ketting groei reactie door het vangen van peroxy radicalen, waardoor het be\u00ebindigen van de vrije radicale kettingreactie om oxidatie te voorkomen, in het kort, om de anti-aging effect, zoals p-fenyleendiamine, fenothiazine bereiken, maar het is gemakkelijk te worden geoxideerd en verkleurd, in de fotolak witte olie is niet gemakkelijk toe te voegen.<\/p>\n<p>4.2 Fenolische antioxidanten<\/p>\n<p>Bitblokkerende fenolische antioxidanten zijn fenolverbindingen met een ruimtelijk gehinderde structuur, zoals BASF Irganox 1010, Irganox 1076, Japan Sumitomo GA-80.<\/p>\n<p>Het werkingsprincipe van fenolische antioxidanten met blokkeerfunctie is voornamelijk het vangen van reactieve vrije radicalen om inactieve vrije radicalen te genereren, zodat de kettingreactie wordt be\u00ebindigd.<\/p>\n<p>&nbsp;<\/p>\n<p>Dit type antioxidant is een algemeen antioxidant voor witte fotolak, dat over het algemeen niet alleen wordt gebruikt, en hulpantioxidanten met het beste effect.<\/p>\n<p>4.3 Hulpantioxidant<\/p>\n<p>Hulpantioxidanten zijn voornamelijk synergetisch met bit-blocking fenolische antioxidanten, deze categorie zijn voornamelijk fosfietesters en thioesters, hun rol is voornamelijk om het polymeer verouderingsproces gegenereerd door hydroperoxiden te vernietigen en tijdig het polymeer zelfoxidatieproces te stoppen. Op dit moment is de markt voor deze producten zijn voornamelijk fosfiet ester klasse drie [2,4-di-tert-butylfenyl] fosfiet (algemeen bekend als antioxidant 168).<\/p>\n<p>Photoresist witte olie wordt over het algemeen gebruikt met bit weerstaan fenol antioxidant en hulp antioxidant, de markt heeft met het product, voornamelijk in plastic hoge-temperatuur spuitgieten, en de toepassing van photoresist witte olie moet ook worden onderworpen aan experimentele resultaten.<\/p>\n<p>Concentreer u bij de ontwikkeling van witte fotoresistolie op de bovenstaande punten, besteed aandacht aan de selectie en afstemming van grondstoffen, en uiteindelijk kunt u door optimalisatie van de formule snel een witte fotoresistolie ontwikkelen met een uitstekende weerstand tegen vergeling.<\/p>\n<h2><strong><b>Neem nu contact met ons op!<\/b><\/strong><\/h2>\n<h4><strong><b>Als u een COA, MSDS of TDS van UV-fotoinitiator nodig hebt, vul dan uw contactgegevens in op het onderstaande formulier. Wij nemen doorgaans binnen 24 uur contact met u op.<\/b><\/strong> Je kunt me ook een e-mail sturen <a href=\"mailto:info@longchangchemical.com\"><span style=\"color: #0000ff;\">info@longchangchemical.com<\/span><\/a> tijdens kantooruren (8:30 tot 18:00 UTC+8 ma. ~ za.) of gebruik de live chat op de website voor een snel antwoord.<\/h4>","protected":false},"excerpt":{"rendered":"<p>Hoe PCB printplaat fotoresist witte olie vergeling op te lossen? Printed circuit board fotoresist witte olie behoort tot de printplaat fotoresist inkt, en fotoresist inkt heeft veel gemeenschappelijke punten, zijn samengesteld uit hars, monomeer, initiator, verdunningsmiddel, vulstof, kleur poeder, additieven, het belangrijkste verschil wordt weerspiegeld in het gebruik van verschillende grondstoffen, [...]<\/p>","protected":false},"author":1,"featured_media":4174,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-5871","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>How to solve the PCB circuit board photoresist white oil yellowing? - Longchang Chemical<\/title>\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\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/\" \/>\n<meta property=\"og:locale\" content=\"nl_NL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to solve the PCB circuit board photoresist white oil yellowing? - Longchang Chemical\" \/>\n<meta property=\"og:description\" content=\"How to solve the PCB circuit board photoresist white oil yellowing? Printed circuit board photoresist white oil belongs to the printed circuit board photoresist ink, and photoresist ink has many common points, are composed of resin, monomer, initiator, diluent, filler, color powder, additives, the main difference is reflected in the use of different raw materials, [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/longchangchemical.com\/nl\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/\" \/>\n<meta property=\"og:site_name\" content=\"Longchang Chemical\" \/>\n<meta property=\"article:published_time\" content=\"2023-01-27T14:45:46+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-12-18T01:26:36+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/Appearance-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Longchang Chemical\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/longchangchemical.com\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/longchangchemical.com\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/\"},\"author\":{\"name\":\"Longchang Chemical\",\"@id\":\"https:\/\/longchangchemical.com\/#\/schema\/person\/ecb1ad846136c6f1ca534b62978c6a8e\"},\"headline\":\"How to solve the PCB circuit board photoresist white oil yellowing?\",\"datePublished\":\"2023-01-27T14:45:46+00:00\",\"dateModified\":\"2024-12-18T01:26:36+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/longchangchemical.com\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/\"},\"wordCount\":1278,\"publisher\":{\"@id\":\"https:\/\/longchangchemical.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/longchangchemical.com\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/Appearance-1.jpg\",\"articleSection\":[\"Catalysts &amp; Chemical Auxiliary Agents\"],\"inLanguage\":\"nl-NL\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/longchangchemical.com\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/\",\"url\":\"https:\/\/longchangchemical.com\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/\",\"name\":\"How to solve the PCB circuit board photoresist white oil yellowing? - Longchang Chemical\",\"isPartOf\":{\"@id\":\"https:\/\/longchangchemical.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/longchangchemical.com\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/longchangchemical.com\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/Appearance-1.jpg\",\"datePublished\":\"2023-01-27T14:45:46+00:00\",\"dateModified\":\"2024-12-18T01:26:36+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/longchangchemical.com\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/#breadcrumb\"},\"inLanguage\":\"nl-NL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/longchangchemical.com\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"nl-NL\",\"@id\":\"https:\/\/longchangchemical.com\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/#primaryimage\",\"url\":\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/Appearance-1.jpg\",\"contentUrl\":\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/Appearance-1.jpg\",\"width\":600,\"height\":800,\"caption\":\"irgacure 819 Appearance\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/longchangchemical.com\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/longchangchemical.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"How to solve the PCB circuit board photoresist white oil yellowing?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/longchangchemical.com\/#website\",\"url\":\"https:\/\/longchangchemical.com\/\",\"name\":\"Longchang Chemical\",\"description\":\"China chemical manufacturer \uff06 supplier\",\"publisher\":{\"@id\":\"https:\/\/longchangchemical.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/longchangchemical.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"nl-NL\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/longchangchemical.com\/#organization\",\"name\":\"Longchang Chemical\",\"url\":\"https:\/\/longchangchemical.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"nl-NL\",\"@id\":\"https:\/\/longchangchemical.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/08\/cropped-longchang-logo.png\",\"contentUrl\":\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/08\/cropped-longchang-logo.png\",\"width\":512,\"height\":512,\"caption\":\"Longchang Chemical\"},\"image\":{\"@id\":\"https:\/\/longchangchemical.com\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/longchangchemical.com\/#\/schema\/person\/ecb1ad846136c6f1ca534b62978c6a8e\",\"name\":\"Longchang Chemical\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"nl-NL\",\"@id\":\"https:\/\/longchangchemical.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/c1e84ee0759373263198c58e8f338f80?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/c1e84ee0759373263198c58e8f338f80?s=96&d=mm&r=g\",\"caption\":\"Longchang Chemical\"},\"sameAs\":[\"https:\/\/longchangchemical.com\"],\"url\":\"https:\/\/longchangchemical.com\/nl\/author\/infolongchangchemical-com\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Hoe de PCB printplaat fotoresist witte olie vergeling op te lossen? - Chemische Longchang","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/longchangchemical.com\/nl\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/","og_locale":"nl_NL","og_type":"article","og_title":"How to solve the PCB circuit board photoresist white oil yellowing? - Longchang Chemical","og_description":"How to solve the PCB circuit board photoresist white oil yellowing? Printed circuit board photoresist white oil belongs to the printed circuit board photoresist ink, and photoresist ink has many common points, are composed of resin, monomer, initiator, diluent, filler, color powder, additives, the main difference is reflected in the use of different raw materials, [&hellip;]","og_url":"https:\/\/longchangchemical.com\/nl\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/","og_site_name":"Longchang Chemical","article_published_time":"2023-01-27T14:45:46+00:00","article_modified_time":"2024-12-18T01:26:36+00:00","og_image":[{"width":600,"height":800,"url":"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/Appearance-1.jpg","type":"image\/jpeg"}],"author":"Longchang Chemical","twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/longchangchemical.com\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/#article","isPartOf":{"@id":"https:\/\/longchangchemical.com\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/"},"author":{"name":"Longchang Chemical","@id":"https:\/\/longchangchemical.com\/#\/schema\/person\/ecb1ad846136c6f1ca534b62978c6a8e"},"headline":"How to solve the PCB circuit board photoresist white oil yellowing?","datePublished":"2023-01-27T14:45:46+00:00","dateModified":"2024-12-18T01:26:36+00:00","mainEntityOfPage":{"@id":"https:\/\/longchangchemical.com\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/"},"wordCount":1278,"publisher":{"@id":"https:\/\/longchangchemical.com\/#organization"},"image":{"@id":"https:\/\/longchangchemical.com\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/#primaryimage"},"thumbnailUrl":"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/Appearance-1.jpg","articleSection":["Catalysts &amp; Chemical Auxiliary Agents"],"inLanguage":"nl-NL"},{"@type":"WebPage","@id":"https:\/\/longchangchemical.com\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/","url":"https:\/\/longchangchemical.com\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/","name":"Hoe de PCB printplaat fotoresist witte olie vergeling op te lossen? - Chemische Longchang","isPartOf":{"@id":"https:\/\/longchangchemical.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/longchangchemical.com\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/#primaryimage"},"image":{"@id":"https:\/\/longchangchemical.com\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/#primaryimage"},"thumbnailUrl":"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/Appearance-1.jpg","datePublished":"2023-01-27T14:45:46+00:00","dateModified":"2024-12-18T01:26:36+00:00","breadcrumb":{"@id":"https:\/\/longchangchemical.com\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/#breadcrumb"},"inLanguage":"nl-NL","potentialAction":[{"@type":"ReadAction","target":["https:\/\/longchangchemical.com\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/"]}]},{"@type":"ImageObject","inLanguage":"nl-NL","@id":"https:\/\/longchangchemical.com\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/#primaryimage","url":"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/Appearance-1.jpg","contentUrl":"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/Appearance-1.jpg","width":600,"height":800,"caption":"irgacure 819 Appearance"},{"@type":"BreadcrumbList","@id":"https:\/\/longchangchemical.com\/solve-the-pcb-circuit-board-photoresist-white-oil-yellowing\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/longchangchemical.com\/"},{"@type":"ListItem","position":2,"name":"How to solve the PCB circuit board photoresist white oil yellowing?"}]},{"@type":"WebSite","@id":"https:\/\/longchangchemical.com\/#website","url":"https:\/\/longchangchemical.com\/","name":"Chemisch bedrijf Longchang","description":"China chemische fabrikant \uff06 leverancier","publisher":{"@id":"https:\/\/longchangchemical.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/longchangchemical.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"nl-NL"},{"@type":"Organization","@id":"https:\/\/longchangchemical.com\/#organization","name":"Chemisch bedrijf Longchang","url":"https:\/\/longchangchemical.com\/","logo":{"@type":"ImageObject","inLanguage":"nl-NL","@id":"https:\/\/longchangchemical.com\/#\/schema\/logo\/image\/","url":"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/08\/cropped-longchang-logo.png","contentUrl":"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/08\/cropped-longchang-logo.png","width":512,"height":512,"caption":"Longchang Chemical"},"image":{"@id":"https:\/\/longchangchemical.com\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/longchangchemical.com\/#\/schema\/person\/ecb1ad846136c6f1ca534b62978c6a8e","name":"Chemisch bedrijf Longchang","image":{"@type":"ImageObject","inLanguage":"nl-NL","@id":"https:\/\/longchangchemical.com\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/c1e84ee0759373263198c58e8f338f80?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/c1e84ee0759373263198c58e8f338f80?s=96&d=mm&r=g","caption":"Longchang Chemical"},"sameAs":["https:\/\/longchangchemical.com"],"url":"https:\/\/longchangchemical.com\/nl\/author\/infolongchangchemical-com\/"}]}},"_links":{"self":[{"href":"https:\/\/longchangchemical.com\/nl\/wp-json\/wp\/v2\/posts\/5871","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/longchangchemical.com\/nl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/longchangchemical.com\/nl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/longchangchemical.com\/nl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/longchangchemical.com\/nl\/wp-json\/wp\/v2\/comments?post=5871"}],"version-history":[{"count":3,"href":"https:\/\/longchangchemical.com\/nl\/wp-json\/wp\/v2\/posts\/5871\/revisions"}],"predecessor-version":[{"id":7739,"href":"https:\/\/longchangchemical.com\/nl\/wp-json\/wp\/v2\/posts\/5871\/revisions\/7739"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/longchangchemical.com\/nl\/wp-json\/wp\/v2\/media\/4174"}],"wp:attachment":[{"href":"https:\/\/longchangchemical.com\/nl\/wp-json\/wp\/v2\/media?parent=5871"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/longchangchemical.com\/nl\/wp-json\/wp\/v2\/categories?post=5871"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/longchangchemical.com\/nl\/wp-json\/wp\/v2\/tags?post=5871"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}