{"id":5682,"date":"2022-10-19T14:16:29","date_gmt":"2022-10-19T14:16:29","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5682"},"modified":"2026-04-28T10:42:10","modified_gmt":"2026-04-28T10:42:10","slug":"photoinitiator-819-cas-162881-26-7","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/tr\/photoinitiator-819-cas-162881-26-7\/","title":{"rendered":"Fotoba\u015flat\u0131c\u0131 819 CAS 162881-26-7"},"content":{"rendered":"<h1><strong>Fotoba\u015flat\u0131c\u0131 819 CAS 162881-26-7<\/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><strong>Giri\u015f<\/strong><\/p>\n<p>Fotoba\u015flat\u0131c\u0131lar, UV-LED k\u00fcrleme malzemelerinde \u00f6nemli bir bile\u015fendir ve fotok\u00fcrlenebilir malzemelerin k\u00fcrlenme h\u0131z\u0131n\u0131 etkilemede \u00f6nemli bir rol oynar. Bu nedenle, 385nm veya 395nm dalga boyu aral\u0131\u011f\u0131nda y\u00fcksek absorpsiyon yo\u011funlu\u011fu, y\u00fcksek aktivite, s\u0131\u011f renk, sararma yok, iyi \u00e7\u00f6z\u00fcn\u00fcrl\u00fck ve d\u00fc\u015f\u00fck toksisiteye sahip fotoba\u015flat\u0131c\u0131lar \u015fu anda ara\u015ft\u0131rma ve geli\u015ftirmenin birincil odak noktas\u0131d\u0131r.<\/p>\n<p><strong>IRGACURE 819 nedir?<\/strong><\/p>\n<p>G\u00fcn\u00fcm\u00fcz\u00fcn fotok\u00fcrleme sistemlerinin hemen hepsinde kullan\u0131lan \u0131\u015f\u0131k kayna\u011f\u0131 bir ultraviyole (UV) fotoba\u015flat\u0131c\u0131d\u0131r. Bir asilfosfin oksit fotoba\u015flat\u0131c\u0131 \u00f6rne\u011fi, tam kimyasal ad\u0131n\u0131 vermek gerekirse fenilbis(2,4,6-trimetilbenzoil)fosfin oksittir. Irgacure 819 da bu kategoriye girer. Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide, sorgulama amac\u0131na uygun kimyasal maddelerden biridir. \u00c7ok y\u00f6nl\u00fc fotoba\u015flat\u0131c\u0131 IRGACURE 819 ultraviyole \u0131\u015f\u0131\u011fa maruz b\u0131rak\u0131ld\u0131\u011f\u0131nda doymam\u0131\u015f re\u00e7inelerin radikal polimerizasyona u\u011frama olas\u0131l\u0131\u011f\u0131 daha y\u00fcksektir. Beyaz pigmentli form\u00fclasyonlar\u0131n \u00fcretiminde, cam elyaf takviyeli polyester\/stiren sistemlerinin k\u00fcrlenmesinde ve \u0131\u015f\u0131k stabilizat\u00f6rleri ile birlikte d\u0131\u015f mekan kullan\u0131m\u0131 i\u00e7in \u015feffaf kaplamalar\u0131n form\u00fclasyonunda kullan\u0131l\u0131r. Gerekirse bu fotoba\u015flat\u0131c\u0131 yard\u0131m\u0131yla b\u00fcy\u00fck miktarlarda malzeme k\u00fcrlenebilir.<\/p>\n<p>Fotoba\u015flat\u0131c\u0131 Irgacure 819, k\u00fcresel g\u0131da g\u00fcvenli\u011fi d\u00fczenlemelerinin gerektirdi\u011fi \u015fekilde insan v\u00fccudu i\u00e7in toksik olmad\u0131\u011f\u0131ndan, UVLED ile k\u00fcrlenen vernik veya m\u00fcrekkebin yan\u0131 s\u0131ra di\u011fer \u0131\u015f\u0131kla k\u00fcrlenen \u00fcr\u00fcnlerde de kullan\u0131ma uygundur. Bu da onu k\u00fcresel g\u0131da g\u00fcvenli\u011fi mevzuat\u0131yla uyumlu hale getirir. Buna ek olarak, k\u00fcrleme i\u00e7in UVLED vernik ve m\u00fcrekkep ile uyumludur.<\/p>\n<p>Irgacure 819, UV ile sertle\u015fen malzemelerin temel bir bile\u015fenidir ve bu maddelerin \u0131\u015f\u0131\u011fa maruz kald\u0131klar\u0131nda sertle\u015fme h\u0131z\u0131n\u0131 ayarlama s\u00fcrecinde \u00f6nemli bir rol oynar. I\u015f\u0131\u011fa maruz kald\u0131ktan sonra, Irgacure 819 olarak bilinen madde, polimerizasyon reaksiyonunu ba\u015flatabilen reaktif ara \u00fcr\u00fcnlerin (serbest radikaller veya katyonlar) \u00fcretimine yol a\u00e7an bir fotokimyasal ge\u00e7i\u015ften ge\u00e7er.<\/p>\n<p><strong>Irgacure 819 Uygulamalar\u0131<\/strong><\/p>\n<p>IRGACURE 819, gerekli testlerden ge\u00e7tikten sonra UV ile k\u00fcrlenebilen form\u00fclasyonlarda ah\u015fap, metal, plastik, ka\u011f\u0131t ve optik fiberler \u00fczerinde \u015feffaf ve renkli kaplamalara ek olarak bask\u0131 m\u00fcrekkeplerinde ve prepreglerde kullan\u0131labilir. Bu kaplamalar UV \u0131\u015f\u0131\u011f\u0131 kullan\u0131larak uygulanabilir. UV k\u00fcrleme prosed\u00fcr\u00fc tamamland\u0131ktan sonra, bu kaplamalar daha sonra uygulanabilir.<\/p>\n<p><strong>IRGACURE 819'un K\u00fcrleme Yetenekleri<\/strong><\/p>\n<p>IRGACURE 819, rutil titanyum dioksit veya renkli pigmentler i\u00e7eren \u00e7ok opak beyaz ve renkli mobilya kaplamalar\u0131nda veya ekran m\u00fcrekkeplerinde d\u00fc\u015f\u00fck konsantrasyonlarda, y\u00fcksek seviyelerde UV \u0131\u015f\u0131\u011f\u0131na maruz kald\u0131ktan sonra bile sararma olmadan ola\u011fan\u00fcst\u00fc k\u00fcrleme etkinli\u011fi sergiler. Kaplamalar ve m\u00fcrekkepler bu bile\u015fenleri i\u00e7ermesine ra\u011fmen durum b\u00f6yledir. Titanyum dioksit, rutil formunda, zaman zaman kaplama ve m\u00fcrekkep \u00fcretiminde kullan\u0131lmaktad\u0131r. Buna ek olarak, IRGACURE 819'un m\u00fckemmel emilim \u00f6zellikleri, daha kal\u0131n k\u0131vaml\u0131 bile\u015fenlerin k\u00fcrlenmesini m\u00fcmk\u00fcn k\u0131lar. IRGACURE 184 veya IRGACURE 651 gibi di\u011fer fotoba\u015flat\u0131c\u0131lar, sinerjik bir etki sa\u011flamak i\u00e7in IRGACURE 819 ile birlikte kullan\u0131labilir. \u0130kincisi tipik olarak cam takviyeli \u00fcr\u00fcnleri k\u00fcrlemek i\u00e7in kullan\u0131lan polyester\/stiren re\u00e7ineleri k\u00fcrlemek i\u00e7in kullan\u0131l\u0131rken, ilki bu ama\u00e7 i\u00e7in \u00e7ok uygundur ve genellikle cam takviyeli \u00fcr\u00fcnlerin k\u00fcrlenmesi i\u00e7in kullan\u0131l\u0131r. IRGACURE 819, TINUVIN 400 gibi UV emicilere g\u00f6re daha uzun dalga boylar\u0131nda \u0131\u015f\u0131\u011fa duyarl\u0131d\u0131r, bu da her ikisinin de birbirlerinden \u00e7ok az etkilenerek birlikte kullan\u0131labilece\u011fi anlam\u0131na gelir. Bunun bir sonucu olarak, UV \u0131\u015f\u0131\u011f\u0131 ile k\u00fcrlenebilen ve su ge\u00e7irmez olan kaplamalarda kullan\u0131m i\u00e7in m\u00fckemmel bir malzemedir. Belirli bir uygulama i\u00e7in do\u011fru IRGACURE 819 dozunu belirlemek amac\u0131yla de\u011fi\u015fen konsantrasyonlarda bir dizi deney yap\u0131lmas\u0131 tavsiye edilir.<\/p>\n<p><strong>Doymam\u0131\u015f re\u00e7inelerin radikal polimerizasyonunda<\/strong><\/p>\n<p>Irgacure 819, ultraviyole \u0131\u015f\u0131\u011fa maruz kald\u0131\u011f\u0131nda doymam\u0131\u015f re\u00e7inelerin radikal polimerizasyonunu te\u015fvik eden bir foto ba\u015flat\u0131c\u0131d\u0131r. Y\u00fcksek derecede ayarlanabilirli\u011fe sahiptir. \u00d6zellikle beyaz pigmentli form\u00fclasyonlar\u0131n geli\u015ftirilmesi, cam elyaf takviyeli polyester\/stiren sistemlerinin k\u00fcrlenmesi ve \u0131\u015f\u0131k stabilizat\u00f6rleri ile birlikte d\u0131\u015f mekan kullan\u0131m\u0131 i\u00e7in \u015feffaf kaplamalar\u0131n \u00fcretimi i\u00e7in faydal\u0131d\u0131r. Bu fotoba\u015flat\u0131c\u0131n\u0131n kullan\u0131m\u0131, malzemenin kal\u0131n alanlar\u0131n\u0131n bile k\u00fcrlenmesini m\u00fcmk\u00fcn k\u0131lar.<\/p>\n<p><strong>\u015eeffaf renkli kaplamalar i\u00e7in<\/strong><\/p>\n<p>Irgacure 819, bask\u0131 m\u00fcrekkepleri ve prepreglere ek olarak ah\u015fap, metal, plastik, ka\u011f\u0131t ve optik fiberler \u00fczerindeki \u015feffaf ve renkli kaplamalar i\u00e7in UV ile k\u00fcrlenebilen form\u00fclasyonlarda kullan\u0131l\u0131r. Bu kaplamalar ah\u015fap, metal, plastik, ka\u011f\u0131t ve optik fiberler de dahil olmak \u00fczere \u00e7e\u015fitli alt tabakalara uygulanabilir. Plastik, ka\u011f\u0131t ve hatta optik fiberlerin t\u00fcm\u00fc bu kategoriye dahildir. Bu \u00fcr\u00fcn, rutil titanyum dioksit veya renkli pigmentler kullanan son derece opak beyaz ve renkli mobilya kaplamalar\u0131nda veya ekran m\u00fcrekkeplerinde d\u00fc\u015f\u00fck konsantrasyonlarda ola\u011fan\u00fcst\u00fc k\u00fcrlenme kabiliyeti g\u00f6sterir. Ayr\u0131ca UV \u0131\u015f\u0131\u011f\u0131na yeterince maruz kald\u0131ktan sonra minimum sararmaya izin verir. Ek olarak, opak beyaz ve renkli mobilya kaplamalar\u0131 bu \u00e7\u00f6zeltinin gecikmeli kuruma \u00f6zelliklerinden en az yararlananlard\u0131r. Bu durum \u00f6zellikle renkli cilalar i\u00e7in ge\u00e7erlidir. Emme kapasitesi \u00e7ok y\u00fcksek oldu\u011fundan, Irgacure 819 malzemenin kal\u0131n b\u00f6l\u00fcmlerini bile k\u00fcrlemek i\u00e7in kullan\u0131labilir.<\/p>\n<p>Daha genel olarak IRGACURE 819 olarak adland\u0131r\u0131lan Irgacure 819, UV \u0131\u015f\u0131\u011f\u0131 ile k\u00fcrlenebilen ve renkli plastik kaplamalarda kullan\u0131ma uygun bir pigmenttir. UV kaplamalar, \u00fcst\u00fcn performanslar\u0131 ve kolay \u00fcretilebilmeleri nedeniyle \u00e7ok \u00e7e\u015fitli elektronik ve ev aletleri \u00fcr\u00fcnlerinin plastik g\u00f6vdelerinde yayg\u0131n olarak kullan\u0131lmaktad\u0131r. \u00d6te yandan, UV kaplamalar renklendirme i\u015fleminin ard\u0131ndan renkli plastik muhafazaya uygulan\u0131r. Yetersiz k\u00fcrlenme, kaplama filminin g\u00f6r\u00fcn\u00fcm\u00fc \u00fczerinde \u00f6nemli bir etkiye sahiptir \u00e7\u00fcnk\u00fc kaplama filminin yetersiz yap\u0131\u015fmas\u0131na ve UV re\u00e7inesi taraf\u0131ndan yetersiz pigment da\u011f\u0131l\u0131m\u0131na yol a\u00e7ar. Bu sorunlar\u0131n her ikisi de yetersiz k\u00fcrlemeden kaynaklanmaktad\u0131r. Bu nedenle, standart yap\u0131m y\u00f6ntemi, y\u00fczeyin f\u0131r\u0131nlanmadan \u00f6nce renkli, solvent bazl\u0131 bir astar ile astarlanmas\u0131n\u0131 gerektirir. Bu ad\u0131m\u0131 y\u00fczeyin f\u0131r\u0131nlanmas\u0131 takip eder. Boya filminin y\u00fczeyini iyile\u015ftirerek fiziksel \u00f6zelliklerini daha arzu edilir hale getirmek i\u00e7in \u00f6nce bir UV verni\u011fi uygulay\u0131n ve ard\u0131ndan verni\u011fi uygulay\u0131n.<\/p>\n<p><strong>Irgacure 819 Kullan\u0131labilirlik \u00d6zeti<\/strong><\/p>\n<ol>\n<li>UV-k\u00fcrlenebilir kaplamalar ve m\u00fcrekkepler, ultraviyole \u0131\u015f\u0131\u011fa maruz b\u0131rak\u0131larak sertle\u015ftirilebilen kaplamalard\u0131r.<\/li>\n<li>Fotoba\u015flat\u0131c\u0131 819, UV \u0131\u015f\u0131\u011f\u0131ndan yararlanarak doymam\u0131\u015f \u00f6npolimerizasyon sistemlerinin polimerizasyonunu ba\u015flatmak i\u00e7in kullan\u0131labilen \u00e7ok g\u00fc\u00e7l\u00fc ve \u00e7ok y\u00f6nl\u00fc bir UV fotoba\u015flat\u0131c\u0131d\u0131r. Bu, fotoba\u015flat\u0131c\u0131 UV \u0131\u015f\u0131\u011f\u0131 ile birlikte kullan\u0131larak ger\u00e7ekle\u015ftirilebilir.bask\u0131 m\u00fcrekkepleri ve ah\u015fap, metal, plastik, ka\u011f\u0131t ve lifler dahil olmak \u00fczere \u00e7e\u015fitli y\u00fczeyler i\u00e7in \u00e7e\u015fitli \u00f6n i\u015flem y\u00f6ntemleri.<\/li>\n<li>Irgacure 819 Beyaz boyalara, renkli boyalara veya titanyum dioksit i\u00e7eren m\u00fcrekkeplere veya g\u00fc\u00e7l\u00fc \u00f6rtme g\u00fcc\u00fcne sahip di\u011fer pigmentlere az miktarda fenilbis(2,4,6-trimetilbenzoil)fosfin oksit ekleyerek \u00fcst\u00fcn k\u00fcrlenme etkileri ve dayan\u0131kl\u0131l\u0131\u011f\u0131 olan bir kaplama \u00fcretmek m\u00fcmk\u00fcnd\u00fcr. Bu i\u015flem beyaz boyalar, renkli boyalar veya m\u00fcrekkeplerle yap\u0131labilir. Bu durum, kaplaman\u0131n koyu renkli, a\u00e7\u0131k renkli veya renkli olmas\u0131ndan ba\u011f\u0131ms\u0131z olarak ge\u00e7erlidir. UV \u0131\u015f\u0131\u011f\u0131na maruz kalmaktan kaynaklanan sararma.<\/li>\n<li>819 malzemesi, sahip oldu\u011fu ola\u011fan\u00fcst\u00fc emilim \u00f6zelliklerinin bir sonucu olarak kal\u0131n film sistemlerinde uygulama i\u00e7in uygundur.<\/li>\n<li>K\u00fcrleme i\u015fleminin y\u00fcr\u00fct\u00fclmesi boyunca Irgacure 819 ile birlikte 184 veya 651 gibi di\u011fer fotoba\u015flat\u0131c\u0131lar da kullan\u0131labilir.<\/li>\n<li>Cam elyaf takviyeli kompozitlerde kullan\u0131lanlar gibi polyester\/stiren re\u00e7ine sistemlerinin k\u00fcrlenmesi, Irgacure 819 ve 651'in birlikte kullan\u0131m\u0131n\u0131n \u00e7ok uygun oldu\u011fu bir uygulamad\u0131r. Bu, Irgacure 819 ve 651 kombinasyonunun \u00f6zellikle avantajl\u0131 oldu\u011fu uygulamalardan biridir.<\/li>\n<li>Irgacure 819, uzun dalga band\u0131nda absorbe etme kapasitesi nedeniyle hava ko\u015fullar\u0131na dayan\u0131kl\u0131l\u0131k gerektiren UV ile k\u00fcrlenebilen kaplamalarda kullan\u0131labilir. Bu \u00f6zellik, bu kaplamalarda kullan\u0131lmas\u0131na olanak sa\u011flar. Bu nedenle, UV ile k\u00fcrlenebilen kaplamalarda TINUVIN 400 gibi UV emiciler ile birlikte kullan\u0131labilir.<\/li>\n<\/ol>\n<p><strong>Irgacure 819 kullan\u0131m\u0131 s\u0131ras\u0131nda uyulmas\u0131 gereken \u00f6nlemler<\/strong><\/p>\n<p>\u0130yi \u00fcretim uygulamalar\u0131na (GMP) uygunlu\u011fun s\u00fcrd\u00fcr\u00fclmesi i\u00e7in IRGACURE 819'un her zaman uygun \u015fekilde kullan\u0131lmas\u0131 zorunludur. GBF, gerekli t\u00fcm ayr\u0131nt\u0131lar\u0131 bulaca\u011f\u0131n\u0131z belgedir. IRGACURE 819 \u0131\u015f\u0131\u011fa duyarl\u0131 oldu\u011fundan, g\u00fcne\u015f \u0131\u015f\u0131\u011f\u0131na veya ba\u015fka herhangi bir g\u00f6r\u00fcn\u00fcr \u0131\u015f\u0131k kayna\u011f\u0131na maruz kal\u0131nan herhangi bir ortamda onunla \u00e7al\u0131\u015f\u0131rken son derece dikkatli olmal\u0131s\u0131n\u0131z. A\u00e7\u0131lm\u0131\u015f bir tamburu kullanmay\u0131 bitirdi\u011finizde, i\u00e7indekilerin hava ve \u0131\u015f\u0131ktan korunmas\u0131 i\u00e7in kapa\u011f\u0131n yerine yerle\u015ftirildi\u011finden emin olun.<\/p>\n<p><strong>\u00d6nerilen Dozajlar<\/strong><\/p>\n<ul>\n<li>0,1 ila 0,2% IRGACURE819 1 - 2% IRGACURE184 aras\u0131nda de\u011fi\u015fen konsantrasyonlarda \u015feffaf akrilik ve doymam\u0131\u015f polyester\/stirenden olu\u015fan kaplamalar<\/li>\n<li>Beyaz akrilik ve doymam\u0131\u015f polyester\/stirenden yap\u0131lm\u0131\u015f 0,5 ila 1% aras\u0131nda de\u011fi\u015fen kaplamalar IRGACURE819 1 - 2% IRGACURE184<\/li>\n<li>0,5 ila 1% IRGACURE819 1 - 2% IRGACURE184 aras\u0131nda de\u011fi\u015fen renkli akrilikler i\u00e7in form\u00fcl<\/li>\n<li>Beyaz serigrafi bask\u0131 i\u00e7in 0,5 ila 1,5% IRGACURE819 1 - 2% IRGACURE184 aras\u0131nda de\u011fi\u015fen m\u00fcrekkep<\/li>\n<li>Cam elyaf takviyeli doymam\u0131\u015f polyester\/stiren prepreg 0.1 - 0.2% IRGACURE819<\/li>\n<\/ul>\n<p><strong>Sonu\u00e7<\/strong><\/p>\n<p>Phenylbis(2,4,6-trimethylbenzoyl)phosphineoxide olarak da bilinen Irgacure 819, ultraviyole \u0131\u015f\u0131ktan yararlanarak doymam\u0131\u015f \u00f6n polimerizasyon sistemlerinin polimerizasyonunu ba\u015flatma i\u015fleminde kullan\u0131lan g\u00fc\u00e7l\u00fc ve \u00e7ok y\u00f6nl\u00fc bir UV fotoba\u015flat\u0131c\u0131d\u0131r. Bu i\u015flem, doymam\u0131\u015f \u00f6n polimerizasyon sistemlerinin polimerizasyonunu ba\u015flatma i\u015flemi olarak bilinir. Mevcut oldu\u011fu i\u00e7in, kal\u0131n film sistemleri, \u00f6zellikle beyaz sistemler ve cam takviyeli polyester\/stiren sistemi i\u00e7in k\u00fcrleme i\u015flemleri sonu\u00e7 olarak basitle\u015ftirilmi\u015ftir. I\u015f\u0131k stabilizat\u00f6rleri ile birle\u015ftirilmesi ve uygun \u015fekilde uygulanmas\u0131 halinde d\u0131\u015f mekan verni\u011fi rol\u00fcn\u00fc yerine getirmesi de m\u00fcmk\u00fcnd\u00fcr. Irgacure 819'un bask\u0131 m\u00fcrekkepleri ve prepreg sistemleri ile ka\u011f\u0131t, ah\u015fap, metal ve plastik gibi \u00e7ok \u00e7e\u015fitli malzemeler \u00fczerinde uygulanmas\u0131n\u0131 ara\u015ft\u0131ran incelemeler yap\u0131lm\u0131\u015ft\u0131r. Titanyum beyaz\u0131 veya di\u011fer pigmentleri i\u00e7eren y\u00fcksek kapasiteli beyaz boyalara, boyalara veya m\u00fcrekkeplere az miktarda Irgacure 819 eklendi\u011finde, elde edilen kaplama ola\u011fan\u00fcst\u00fc k\u00fcrlenme ve UV sararma direncine sahip olacakt\u0131r. Sahip oldu\u011fu ola\u011fan\u00fcst\u00fc emilim \u00f6zelliklerinin bir sonucu olarak, Irgacure 819 kal\u0131n film i\u00e7eren uygulamalarda kullan\u0131m i\u00e7in m\u00fckemmel bir se\u00e7imdir.<\/p>\n<p>Irgacure 819 ile uyumlu IRGACURE 184 ve IRGACURE 651 gibi \u00e7ok \u00e7e\u015fitli fotoba\u015flat\u0131c\u0131lar bulunmaktad\u0131r. Irgacure 819 ve Irgacure 651 kombinasyonu, cam elyaf takviyeli kompozitlerde kullan\u0131lanlar gibi polyester\/stiren re\u00e7ine sistemlerinin k\u00fcrlenmesi i\u00e7in m\u00fckemmel \u015fekilde uygundur. Bu re\u00e7ineler tipik olarak cam elyaf takviyeli kompozitlerin \u00fcretiminde kullan\u0131l\u0131r. Bunun nedeni, bu kimyasallar\u0131n her birinde bulunan ve sorunun nedeni olan y\u00fcksek stiren konsantrasyonudur. TINUVIN 400 gibi bir ultraviyole \u0131\u015f\u0131k emici ile uyumlu oldu\u011fu i\u00e7in, fotoba\u015flat\u0131c\u0131 819 hava ko\u015fullar\u0131na dayan\u0131kl\u0131 olmas\u0131 gereken UV ile k\u00fcrlenebilen bir kaplamada kullan\u0131labilir. Bunun nedeni, kaplaman\u0131n ultraviyole \u0131\u015f\u0131k kullan\u0131larak k\u00fcrlenmesi gerekti\u011fidir. Irgacure 819, ultraviyole \u0131\u015f\u0131\u011f\u0131 emebilen bir malzeme t\u00fcr\u00fcd\u00fcr ve bu t\u00fcr emicilere bir \u00f6rnektir. Sar\u0131 faz, k\u00fcrleme i\u015flemi s\u0131ras\u0131nda sadece \u00e7ok k\u0131sa bir s\u00fcre i\u00e7in ortaya \u00e7\u0131ksa bile, uzun vadede fotobozulma i\u015flemi i\u00e7in hala b\u00fcy\u00fck fayda sa\u011flar.<\/p>\n<p>&nbsp;<\/p>\n<h2><strong>Ayn\u0131 seri \u00fcr\u00fcnler<\/strong><\/h2>\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\/tr\/product\/photoinitiator-tpo-cas-75980-60-8\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/cas-270586-78-2\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/photoinitiator-pd-01-cas-579-07-7\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/photoinitiator-pbz-cas-2128-93-0\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/photoinitiator-oxe-02-cas-478556-66-0\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/photoinitiator-ombb\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/photoinitiator-mpbz-6012\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/photoinitiator-mbp-cas-134-84-9\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/photoinitiator-mbf-cas-15206-55-0\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/photoinitiator-lap-cas-85073-19-4\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/photoinitiator-itx-cas-5495-84-1\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/photoinitiator-emk\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/photoinitiator-eha-cas-21245-02-3\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/photoinitiator-edb-cas-10287-53-3\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/photoinitiator-detx-cas-82799-44-8\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/photoinitiator-cq\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 CQ \/ Camphorquinone<\/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\/tr\/product\/photoinitiator-cbp-cas-134-85-0\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/photoinitiator-bp-cas-119-61-9\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/photoinitiator-bms\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/photoinitiator-938\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/photoinitiator-937-cas-71786-70-4\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/photoinitiator-819-dw\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/photoinitiator-819-irgacure-819-cas-162881-26-7\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/photoinitiator-784-cas-125051-32-3\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/photoinitiator-754-cas-211510-16-6-442536-99-4\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/photoinitiator-6993-cas-71449-78-0\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/photoinitiator-6976\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/photoinitiator-379-cas-119344-86-4\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/photoinitiator-369-cas-119313-12-1\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/photoinitiator-160\/\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/photoinitiator-1206\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 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\/tr\/product\/irgacure-1173-cas-7473-98-5\/\"><span style=\"color: #00ccff;\">Fotoba\u015flat\u0131c\u0131 1173<\/span><\/a><\/td>\n<td>CAS 7473-98-5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/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\/tr\/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\/tr\/product\/photoinitiator-184-cas-947-19-3\/\">CHLUMINIT 184<\/a>:<\/strong> A classic free-radical benchmark for fast surface cure in many UV systems.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/tr\/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\/tr\/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>\u015eimdi Bize Ula\u015f\u0131n!<\/b><\/strong><\/h2>\n<h4><strong><b>COA, MSDS veya TDS'ye ihtiyac\u0131n\u0131z varsa, l\u00fctfen a\u015fa\u011f\u0131daki forma ileti\u015fim bilgilerinizi girin, genellikle 24 saat i\u00e7inde sizinle ileti\u015fime ge\u00e7ece\u011fiz.<\/b><\/strong> Bana e-posta da g\u00f6nderebilirsiniz <a href=\"mailto:info@longchangchemical.com\"><span style=\"color: #0000ff;\">info@longchangchemical.com<\/span><\/a> \u00c7al\u0131\u015fma saatleri i\u00e7inde (8:30 - 6:00 UTC+8 Pzt.~Sat.) veya h\u0131zl\u0131 yan\u0131t almak i\u00e7in web sitesi canl\u0131 sohbetini kullan\u0131n.<\/h4>","protected":false},"excerpt":{"rendered":"<p>Introduction Photoinitiators are an essential component in UV-LED curing materials and play a significant part in influencing the rate at which photocurable materials cure. Thus, photoinitiators in the 385nm or<\/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-5682","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>Photoinitiator 819 CAS 162881-26-7 - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"Introduction Photoinitiators are an essential component in UV-LED curing materials and play a significant part in influencing the rate at which photocur...\" \/>\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\/tr\/photoinitiator-819-cas-162881-26-7\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Photoinitiator 819 CAS 162881-26-7 - 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