{"id":8845,"date":"2025-09-08T10:04:24","date_gmt":"2025-09-08T10:04:24","guid":{"rendered":"https:\/\/changhongchemical.com\/?p=8845"},"modified":"2026-04-27T11:16:01","modified_gmt":"2026-04-27T11:16:01","slug":"guidelines-for-selecting-photoinitiators-in-uv-coating-formulations","status":"publish","type":"post","link":"https:\/\/changhongchemical.com\/tr\/guidelines-for-selecting-photoinitiators-in-uv-coating-formulations\/","title":{"rendered":"UV Kaplama Form\u00fclasyonlar\u0131nda Fotoba\u015flat\u0131c\u0131 Se\u00e7imi i\u00e7in K\u0131lavuzlar"},"content":{"rendered":"<h1><strong>UV Kaplama Form\u00fclasyonlar\u0131nda Fotoba\u015flat\u0131c\u0131 Se\u00e7imi i\u00e7in K\u0131lavuzlar<\/strong><\/h1>\n<p><strong><b>Fotoba\u015flat\u0131c\u0131lara Genel Bak\u0131\u015f<\/b><\/strong><\/p>\n<p>- I\u015f\u0131kla sertle\u015fen \u00fcr\u00fcnlerde, fotoba\u015flat\u0131c\u0131lar kritik bir bile\u015fen olarak g\u00f6rev yapar. Bunlar, radyan enerjiyi absorbe edebilen ve polimerizasyon ba\u015flatma yeteneklerine sahip reaktif ara \u00fcr\u00fcnler (serbest radikaller veya katyonlar) \u00fcretmek i\u00e7in kimyasal reaksiyonlara girebilen maddelerdir.<\/p>\n<p>- Pratik \u00fcretimde, serbest radikal \u00fcreten radikal fotoba\u015flat\u0131c\u0131lar a\u011f\u0131rl\u0131kl\u0131 olarak kullan\u0131l\u0131rken, katyon \u00fcreten katyonik fotoba\u015flat\u0131c\u0131lar son derece nadirdir. Bu makale radikal fotoba\u015flat\u0131c\u0131lara odaklanmaktad\u0131r.<\/p>\n<p><strong><b>Fotoba\u015flat\u0131c\u0131lar\u0131n S\u0131n\u0131fland\u0131r\u0131lmas\u0131<\/b><\/strong><\/p>\n<ul>\n<li>Radikal fotoba\u015flat\u0131c\u0131lar, aktif radikal \u00fcretme mekanizmalar\u0131na g\u00f6re temel olarak iki tipe ayr\u0131l\u0131r: b\u00f6l\u00fcnme tipi radikal fotoba\u015flat\u0131c\u0131lar (Tip I fotoba\u015flat\u0131c\u0131lar olarak da bilinir) ve hidrojen giderici radikal fotoba\u015flat\u0131c\u0131lar (Tip II fotoba\u015flat\u0131c\u0131lar olarak da bilinir).<\/li>\n<li>Common cleaving-type photoinitiators are structurally predominantly arylalkyl ketone compounds. Commonly available grades include: 184, 2959, 651, 907, 369, <a href=\"https:\/\/changhongchemical.com\/product\/irgacure-1173-cas-7473-98-5\/\">1173<\/a>, 819, TPO, MBF, 754, etc.<\/li>\n<li>Yayg\u0131n hidrojen tutucu fotoba\u015flat\u0131c\u0131lar yap\u0131sal olarak benzofenonlardan veya heterosiklik ketonlardan t\u00fcretilir. Yayg\u0131n olarak bulunan kaliteler \u015funlard\u0131r: BP, ITX, 2-EA. Ayr\u0131ca, hidrojen tutucu fotoba\u015flat\u0131c\u0131lar aktivasyon i\u00e7in yard\u0131mc\u0131 ba\u015flat\u0131c\u0131lara ihtiya\u00e7 duyarlar. \u015eu anda kullan\u0131lan ba\u015fl\u0131ca yard\u0131mc\u0131 ba\u015flat\u0131c\u0131lar reaktif aminler ve tersiyer amin tipi benzoik esterlerdir.<\/li>\n<\/ul>\n<p><strong><b>Fotoba\u015flat\u0131c\u0131lar\u0131n Se\u00e7imi<\/b><\/strong><\/p>\n<p>Fotoba\u015flat\u0131c\u0131lar\u0131n \u0131\u015f\u0131kla k\u00fcrlenebilen \u00fcr\u00fcnlerdeki polimerizasyon reaksiyonlar\u0131n\u0131 tetiklemedeki etkinli\u011fi ve sonu\u00e7ta istenen performans\u0131n elde edilmesi, fotoba\u015flatma sistemi, \u0131\u015f\u0131nlama ko\u015fullar\u0131 ve \u00fcr\u00fcn bile\u015fenleri aras\u0131ndaki uyumlu etkile\u015fime ba\u011fl\u0131d\u0131r. Bu nedenle, belirli \u00fcretim s\u00fcre\u00e7lerine ve \u00fcr\u00fcn form\u00fclasyonlar\u0131na dayal\u0131 olarak uygun fotoba\u015flat\u0131c\u0131lar\u0131n se\u00e7ilmesi \u00f6zellikle \u00f6nemlidir.<\/p>\n<p>A\u015fa\u011f\u0131daki b\u00f6l\u00fcmlerde fotoba\u015flat\u0131c\u0131 tarama y\u00f6ntemleri, \u00f6zellikleri incelenerek ve belirli vaka \u00e7al\u0131\u015fmalar\u0131 ile \u00f6rneklendirilerek detayland\u0131r\u0131lacakt\u0131r.<\/p>\n<p><strong><b>Fotoba\u015flat\u0131c\u0131n\u0131n absorpsiyon spektrumu, \u0131\u015f\u0131k kayna\u011f\u0131n\u0131n emisyon spektrumuyla e\u015fle\u015fmelidir.<\/b><\/strong><\/p>\n<p>Piyasadaki yayg\u0131n \u0131\u015f\u0131k kaynaklar\u0131 aras\u0131nda c\u0131val\u0131 lambalar, LED lambalar, ind\u00fcksiyon lambalar\u0131 ve metal halide lambalar bulunmaktad\u0131r. Bunlar aras\u0131nda, 200-450nm aras\u0131nda bir spektrum yayan ve genel ama\u00e7l\u0131 bir se\u00e7enek olarak hizmet veren c\u0131va lambalar\u0131 en yayg\u0131n kullan\u0131lan\u0131d\u0131r. LED lambalar, 365\/375\/385\/395\/405 nm civar\u0131nda yo\u011funla\u015fan emisyon dalga boylar\u0131 ile d\u00fc\u015f\u00fck enerjili k\u00fcrleme uygulamalar\u0131nda yayg\u0131n olarak kullan\u0131lmaktad\u0131r.<\/p>\n<p>Bir fotoba\u015flat\u0131c\u0131 se\u00e7erken, \u0131\u015f\u0131k kayna\u011f\u0131n\u0131n emisyon spektrumunun ilgili dalga boyu band\u0131nda \u00f6nemli absorpsiyon \u00f6zellikleri sergileyen birini se\u00e7in.<\/p>\n<p><strong><b>\u00d6rnek Olay \u0130ncelemesi: <\/b><\/strong><\/p>\n<p>Jel cila form\u00fclasyonlar\u0131nda, fotoba\u015flat\u0131c\u0131 se\u00e7imi \u0131\u015f\u0131k kayna\u011f\u0131 taraf\u0131ndan b\u00fcy\u00fck \u00f6l\u00e7\u00fcde k\u0131s\u0131tlan\u0131r. Yayg\u0131n t\u0131rnak lambalar\u0131nda iki tip t\u00fcp kullan\u0131l\u0131r: floresan ve LED. Floresan t\u00fcpler 370-420nm aral\u0131\u011f\u0131nda yayarken, LED t\u00fcpler 365nm\/395nm aral\u0131\u011f\u0131nda yayar. Her ikisi de uzun dalga b\u00f6lgesinde yay\u0131l\u0131r ve daha uzun dalga boylar\u0131n\u0131 absorbe eden ba\u015flat\u0131c\u0131lar gerektirir.<\/p>\n<p>Tablo 1'de \u00e7e\u015fitli yayg\u0131n fotoba\u015flat\u0131c\u0131lar\u0131n absorpsiyon pikleri listelenmektedir. Optimum ba\u015flatma elde etmek i\u00e7in, TPO ve 819 gibi 365nm'nin \u00fczerinde absorpsiyon pikleri olan fotoba\u015flat\u0131c\u0131lar se\u00e7ilmelidir. Her ne kadar 784 daha uzun bir absorpsiyon tepe dalga boyuna sahip olsa da, y\u00fcksek maliyeti pazarda benimsenmesini s\u0131n\u0131rlamaktad\u0131r.<\/p>\n<p>Pratik testlerde, TPO ve 819, \u00f6ng\u00f6r\u00fclen sonu\u00e7larla tutarl\u0131 olarak t\u00fcm fotoba\u015flat\u0131c\u0131lar aras\u0131nda en iyi performans\u0131 g\u00f6stermi\u015ftir.<\/p>\n<p><strong><b><img decoding=\"async\" class=\"alignnone size-full wp-image-8847\" src=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-1.webp\" alt=\"\" width=\"1920\" height=\"1325\" srcset=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-1.webp 1920w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-1-768x530.webp 768w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-1-1536x1060.webp 1536w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-1-18x12.webp 18w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-1-1043x720.webp 1043w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-1-600x414.webp 600w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/>Renkli Sistemlerde Derin K\u00fcrleme i\u00e7in Fotoba\u015flat\u0131c\u0131 Se\u00e7imi<\/b><\/strong><\/p>\n<ul>\n<li>Renkli sistemlerde, \u00f6zellikle koyu renkli olanlarda, pigmentlerin kendileri UV enerjisinin bir k\u0131sm\u0131n\u0131 emerek UV \u0131\u015f\u0131\u011f\u0131n\u0131n boya filmine n\u00fcfuz etmesini \u00f6nler. Bu durum, derin tabaka fotoba\u015flat\u0131c\u0131lar\u0131n\u0131n polimerizasyonu ba\u015flatmak i\u00e7in yeterli enerjiyi emmesini engeller ve sonu\u00e7ta yetersiz derin k\u00fcrlenmeye neden olur. Hafif vakalarda yap\u0131\u015fma azalabilirken, ciddi vakalarda y\u00fczey k\u0131r\u0131\u015fmas\u0131na neden olarak hem boya filminin g\u00f6r\u00fcn\u00fcm\u00fcn\u00fc hem de fiziksel ve kimyasal \u00f6zelliklerini tehlikeye atabilir.<\/li>\n<li>UV spektrumunda, daha uzun dalga boylar\u0131 \u00fcst\u00fcn penetrasyon yetenekleri sergileyerek kaplama filminin daha derin katmanlar\u0131na daha etkili bir \u015fekilde ula\u015fmalar\u0131n\u0131 sa\u011flar. Buna kar\u015f\u0131l\u0131k, daha k\u0131sa dalga boylar\u0131 bu derinliklere n\u00fcfuz etmekte zorlan\u0131r. Sonu\u00e7 olarak, daha derin katmanlarda bu daha uzun dalga boylar\u0131ndan gelen enerjiyi absorbe edecek uzun dalga fotoba\u015flat\u0131c\u0131lar olmadan, polimerizasyonun ba\u015flat\u0131lmas\u0131 zorla\u015f\u0131r. Bu nedenle, derin n\u00fcfuz eden fotoba\u015flat\u0131c\u0131lar pigmentli sistemlerde vazge\u00e7ilmezdir. Tablo 1'e bak\u0131ld\u0131\u011f\u0131nda, TPO\/819\/651 gibi uzun dalga fotoba\u015flat\u0131c\u0131lar\u0131n 184\/1173 gibi k\u0131sa dalga fotoba\u015flat\u0131c\u0131larla birle\u015ftirilmesi olumlu sonu\u00e7lar vermektedir.<\/li>\n<\/ul>\n<p><strong><b>\u00d6rnek Olay \u0130ncelemesi:<\/b><\/strong><\/p>\n<p>UV tek kat renk sistemlerinde, siyah form\u00fclasyonlar genellikle zay\u0131f yap\u0131\u015fma ve \u00e7apraz \u00e7izik yap\u0131\u015fma hatas\u0131 sergiler. Form\u00fclasyona 1.5% 819 eklenmesi film yap\u0131\u015fmas\u0131n\u0131 \u00f6nemli \u00f6l\u00e7\u00fcde iyile\u015ftirerek 819'un derin k\u00fcrlenmeyi desteklemedeki rol\u00fcn\u00fc g\u00f6stermi\u015ftir.<\/p>\n<p>Ayr\u0131ca, siyah\/beyaz sistemlerde 907\/ITX + 184 ve 369\/ITX + 184 kombinasyonlar\u0131 ola\u011fan\u00fcst\u00fc sonu\u00e7lar verdi.<\/p>\n<p><strong><b>Sararma Gereksinimi Olan Sistemler i\u00e7in Fotoba\u015flat\u0131c\u0131 Se\u00e7imi<\/b><\/strong><\/p>\n<p>Baz\u0131 verniklerde ve beyaz sistemlerde sararma direnci, kaplama filmi performans\u0131n\u0131 de\u011ferlendirmek i\u00e7in kritik bir g\u00f6stergedir. M\u00fckemmel sararma direncine sahip re\u00e7ineler ve monomerler se\u00e7menin \u00f6tesinde, fotoba\u015flat\u0131c\u0131lar\u0131n sararma e\u011filimi de en aza indirilmelidir. Konjuge yap\u0131lar\u0131nda N-dimetilamino gibi s\u00fcbstit\u00fcentler i\u00e7eren fotopolimerizasyon ba\u015flat\u0131c\u0131lar\u0131 genellikle daha y\u00fcksek \u0131\u015f\u0131nlama kaynakl\u0131 sararma e\u011filimleri sergiler. Benzer \u015fekilde, reaktif amin yap\u0131lar\u0131nda bu t\u00fcr s\u00fcbstit\u00fcentlerin varl\u0131\u011f\u0131 da sararmay\u0131 \u015fiddetlendirir.<\/p>\n<p>Tablo 2, temel malzeme olarak propil oksit pentaeritritol triakrilat kullan\u0131larak ve bo\u015f referans olarak herhangi bir ba\u015flat\u0131c\u0131 olmadan \u00e7e\u015fitli fotopolimerizasyon ba\u015flat\u0131c\u0131lar\u0131n\u0131n sararma indekslerini sunmaktad\u0131r.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-8848\" src=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-1.webp\" alt=\"\" width=\"1920\" height=\"1729\" srcset=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-1.webp 1920w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-1-768x692.webp 768w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-1-1536x1383.webp 1536w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-1-13x12.webp 13w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-1-800x720.webp 800w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-1-600x540.webp 600w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><br \/>\nYukar\u0131daki tabloda g\u00f6sterildi\u011fi gibi, 184, 1173, 754 ve MBF minimum sararmaya sahip fotoba\u015flat\u0131c\u0131lard\u0131r, bu da onlar\u0131 vernik ve beyaz sistem form\u00fclasyonlar\u0131 i\u00e7in en uygun se\u00e7im haline getirir.<\/p>\n<p><strong><b>Aktif seyrelticiler ve oligomerlerde iyi \u00e7\u00f6z\u00fcn\u00fcrl\u00fck<\/b><\/strong><\/p>\n<p>M\u00fckemmel \u00e7\u00f6z\u00fcn\u00fcrl\u00fck, fotoba\u015flat\u0131c\u0131lar\u0131n sistemlere dahil edilmesi i\u00e7in \u00e7ok \u00f6nemli bir \u00f6n ko\u015fuldur; \u00fcst\u00fcn uyumluluk daha fazla form\u00fclasyon kararl\u0131l\u0131\u011f\u0131 sa\u011flar.<\/p>\n<p>A\u015fa\u011f\u0131daki tablo, se\u00e7ilen fotoba\u015flat\u0131c\u0131lar\u0131n yayg\u0131n \u00e7\u00f6z\u00fcc\u00fcler ve monomerlerdeki \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fcn\u00fc g\u00f6stermektedir.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-8846\" src=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/3.webp\" alt=\"\" width=\"1920\" height=\"1018\" srcset=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/3.webp 1920w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/3-768x407.webp 768w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/3-1536x814.webp 1536w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/3-18x10.webp 18w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/3-1280x679.webp 1280w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/3-600x318.webp 600w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><br \/>\nSon y\u0131llarda su bazl\u0131 kaplamalar giderek yayg\u0131nla\u015fmakta ve su bazl\u0131 UV kaplamalar da b\u00fcy\u00fck ilgi g\u00f6rmektedir. \u015eu anda piyasada suda \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc y\u00fcksek olan \u00fcr\u00fcnler \u00e7ok azd\u0131r. Ticari olarak mevcut se\u00e7enekler \u015funlar\u0131 i\u00e7erir: KIPEM, 819DW, BTC, BPQ, QTX, vb. 2959, 1.7% suda \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011fe ula\u015f\u0131r ve su bazl\u0131 UV \u00fcr\u00fcnlerinde de kullan\u0131labilir.<\/p>\n<p><strong><b>Di\u011fer M\u00fclkler<\/b><\/strong><\/p>\n<p>Fotoba\u015flat\u0131c\u0131lar\u0131 se\u00e7erken, d\u00fc\u015f\u00fck koku, d\u00fc\u015f\u00fck toksisite, iyi termal stabilite ve minimum u\u00e7uculuk veya migrasyona sahip olanlara \u00f6ncelik verin. Se\u00e7ilen fotoba\u015flat\u0131c\u0131 bile\u015fenlerinin yerel yasa ve y\u00f6netmeliklere uygun oldu\u011fundan emin olun.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Sonu\u00e7<\/strong><\/p>\n<p><strong><b>\u00d6zetle, fotoba\u015flat\u0131c\u0131lar\u0131n se\u00e7imi izole bir g\u00f6rev olmay\u0131p t\u00fcm sistemle ve hatta uygulama s\u00fcreciyle koordine edilmelidir. Hem ekonomik hem de son derece etkili bir fotoba\u015flat\u0131c\u0131 se\u00e7mek i\u00e7in \u0131\u015f\u0131k kayna\u011f\u0131n\u0131n, sistemdeki di\u011fer bile\u015fenlerin ve \u0131\u015f\u0131kla k\u00fcrlenen \u00fcr\u00fcn\u00fcn performans gereksinimlerinin kapsaml\u0131 bir \u015fekilde de\u011ferlendirilmesi gerekir.<\/b><\/strong><\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Overview of Photoinitiators &#8211; In light-curing products, photoinitiators serve as a critical component. They are substances capable of absorbing radiant energy and undergoing chemical reactions to generate reactive intermediates (free radicals or cations) with&#8230;<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-8845","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Guidelines for Selecting Photoinitiators in UV Coating Formulations<\/title>\n<meta name=\"description\" content=\"The effectiveness of photoinitiators in triggering polymerization reactions within light-curable products, ultimately achieving the desired performance, depends on the harmonious coordination between the photoinitiation system, irradiation conditions, and product components. Therefore, selecting appropriate photoinitiators based on specific production processes and product formulations is particularly crucial.The following sections will detail photoinitiator screening methods by combining their properties with specific case studies.Matching the absorption spectrum of photoinitiators with the emission spectrum of light sourcesCommon light sources on the market include mercury lamps, LED lamps, induction lamps, and metal halide lamps. Among these, mercury lamps are the most widely used, emitting a spectrum ranging from 200-450nm and serving as a universal type. LED lamps find extensive application in low-energy curing projects, with emission wavelengths concentrated at 365\/375\/385\/395\/405nm.When selecting a photoinitiator, choose one with significant absorption in the light source&#039;s emission spectrum.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/changhongchemical.com\/tr\/guidelines-for-selecting-photoinitiators-in-uv-coating-formulations\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Guidelines for Selecting Photoinitiators in UV Coating Formulations\" \/>\n<meta property=\"og:description\" content=\"The effectiveness of photoinitiators in triggering polymerization reactions within light-curable products, ultimately achieving the desired performance, depends on the harmonious coordination between the photoinitiation system, irradiation conditions, and product components. Therefore, selecting appropriate photoinitiators based on specific production processes and product formulations is particularly crucial.The following sections will detail photoinitiator screening methods by combining their properties with specific case studies.Matching the absorption spectrum of photoinitiators with the emission spectrum of light sourcesCommon light sources on the market include mercury lamps, LED lamps, induction lamps, and metal halide lamps. Among these, mercury lamps are the most widely used, emitting a spectrum ranging from 200-450nm and serving as a universal type. 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