{"id":5249,"date":"2022-05-19T13:57:35","date_gmt":"2022-05-19T13:57:35","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5249"},"modified":"2026-04-28T10:42:00","modified_gmt":"2026-04-28T10:42:00","slug":"the-complete-guide-to-photoinitiator-application","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/fr\/the-complete-guide-to-photoinitiator-application\/","title":{"rendered":"2025 Le guide complet des principes d'application des photo-initiateurs radicaux libres"},"content":{"rendered":"<h1><strong>2025 Le guide complet des principes d'application des photo-initiateurs radicaux libres<\/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>Le photo-initiateur \u00e9tant l'une des mati\u00e8res premi\u00e8res cl\u00e9s de la formule de photopolym\u00e9risation, il convient de pr\u00eater attention \u00e0 certains principes communs lors de la formulation des applications, tels que : l'ad\u00e9quation entre le principe et la source lumineuse, l'ad\u00e9quation entre le principe et le pigment, l'ad\u00e9quation entre le principe et l'\u00e9paisseur du rev\u00eatement, le principe de dosage, d'autres principes (principe de solubilit\u00e9, principe de combinaison, principe de s\u00e9curit\u00e9, principe de prix), etc. Quel que soit le type de principe de correspondance, l'objectif final est le m\u00eame : concevoir une formulation rentable du produit. Les diff\u00e9rentes formulations de la conception des exigences en mati\u00e8re de photo-initiateur sont \u00e9galement tr\u00e8s diff\u00e9rentes, la s\u00e9lection sp\u00e9cifique du photo-initiateur, le dosage et la combinaison des exp\u00e9riences sp\u00e9cifiques \u00e0 d\u00e9terminer, en particulier maintenant de plus en plus de produits personnalis\u00e9s, les diff\u00e9rentes performances de la formulation du produit n\u00e9cessitent le photo-initiateur correspondant \u00e0 celui-ci.<\/p>\n<p>Principes d'adaptation \u00e0 la source lumineuse : la source lumineuse actuelle de l'industrie de la photopolym\u00e9risation est principalement constitu\u00e9e de lampes \u00e0 mercure ; l'intensit\u00e9 spectrale principale des lampes \u00e0 mercure conventionnelles \u00e0 moyenne pression est indiqu\u00e9e dans le tableau 3 ; la figure 10 repr\u00e9sente le spectre d'\u00e9mission UV des lampes \u00e0 mercure \u00e0 moyenne pression ; le tableau 3 et la figure 10 montrent que les lampes \u00e0 mercure de 220 nm \u00e0 1300 nm \u00e9mettent des ondes lumineuses d'intensit\u00e9s diff\u00e9rentes. Les lampes \u00e0 halog\u00e9nures m\u00e9talliques sont une cat\u00e9gorie de lampes \u00e0 mercure qui peuvent renforcer l'intensit\u00e9 de longueurs d'onde sp\u00e9cifiques en ajoutant diff\u00e9rents m\u00e9taux \u00e0 la lampe \u00e0 mercure pour modifier les longueurs d'onde d'\u00e9mission de la lampe. Dans la pratique, elles sont souvent utilis\u00e9es en conjonction avec des lampes \u00e0 mercure \u00e0 moyenne pression conventionnelles. Par cons\u00e9quent, lors de la conception d'une formule de photopolym\u00e9risation, nous devons d'abord tenir compte du type de source lumineuse et choisir le photo-initiateur avec la longueur d'onde correspondante pour diff\u00e9rentes sources lumineuses afin de maximiser l'efficacit\u00e9 de l'utilisation du photo-initiateur. Par exemple, la longueur d'onde d'absorption de la lumi\u00e8re du photo-initiateur \u03b1-hydroxyc\u00e9tone est courte, la lampe \u00e0 mercure moyenne pression conventionnelle peut r\u00e9pondre aux besoins de production, mais la longueur d'onde d'absorption de la lumi\u00e8re du photo-initiateur acylphosphine-oxyg\u00e8ne et du photo-initiateur thioxanthrone est plus longue et peut atteindre 370nm-400nm, Si la lampe \u00e0 fer est choisie (renforcement sp\u00e9cifique de la bande 370nm-390nm), l'effet de polym\u00e9risation peut \u00eatre obtenu de mani\u00e8re relativement satisfaisante par rapport \u00e0 la lampe \u00e0 mercure moyenne pression conventionnelle.<\/p>\n<p>De nos jours, la technologie des sources lumineuses UV-LED devient de plus en plus mature, en particulier le co\u00fbt de commercialisation des sources lumineuses de la bande 365nm, 385nm, 395nm, 405nm est de plus en plus bas, et elle pr\u00e9sente de nombreux avantages par rapport \u00e0 la source lumineuse de la lampe \u00e0 mercure, tels que : \u00e9conomie d'\u00e9nergie, protection de l'environnement, haute efficacit\u00e9, sant\u00e9, longue dur\u00e9e de vie, etc. Les sources lumineuses UV-LED \u00e9tant des sources lumineuses \u00e0 longueur d'onde unique, la s\u00e9lectivit\u00e9 du photo-initiateur est fortement r\u00e9duite par rapport aux lampes \u00e0 mercure. Par cons\u00e9quent, pour la s\u00e9lection du photo-initiateur de la source de lumi\u00e8re UV-LED, il faut accorder plus d'attention au probl\u00e8me, dans le cas o\u00f9 la conception de la formule de photopolym\u00e9risation de la source de lumi\u00e8re UV-LED n'est pas parfaite, l'utilisation de la combinaison de la source de lumi\u00e8re UV-LED + la source de lumi\u00e8re de la lampe \u00e0 mercure peut \u00e9galement \u00eatre de diff\u00e9rents degr\u00e9s pour atteindre l'objectif d'\u00e9conomie d'\u00e9nergie et de protection de l'environnement.<\/p>\n<p>Principe d'adaptation \u00e0 la couleur : le principe d'adaptation du photo-initiateur \u00e0 la couleur se r\u00e9f\u00e8re principalement \u00e0 la concordance entre le pic d'absorption UV du photo-initiateur et la fen\u00eatre de transmission de la couleur, ce que l'on appelle la fen\u00eatre de transmission se r\u00e9f\u00e8re \u00e0 l'absorption de la lumi\u00e8re par le pigment\/colorant dans une bande d'ondes lumineuses relativement faible, cette bande est propice \u00e0 la transmission de la lumi\u00e8re UV, et donc \u00e0 une plus grande action sur le photo-initiateur. Si le pic d'absorption UV du photo-initiateur ne correspond pas bien \u00e0 la fen\u00eatre de transmission du pigment\/colorant, le pigment\/colorant entrera en comp\u00e9tition avec le photo-initiateur pour absorber la longueur d'onde correspondante de la lumi\u00e8re UV, ce qui entra\u00eenera une diminution de l'efficacit\u00e9 du photo-initiateur, coupl\u00e9e \u00e0 l'impact de l'agr\u00e9gation bloquante de l'oxyg\u00e8ne, ce qui peut s\u00e9rieusement conduire \u00e0 l'absence totale de polym\u00e9risation du produit. En outre, dans la pratique, le choix du photo-initiateur doit \u00e9galement correspondre \u00e0 la couverture du pigment, au dosage, \u00e0 la taille des particules, etc, par exemple : une forte couverture du pigment entra\u00eene une absorption relativement forte de la lumi\u00e8re, de sorte que le photo-initiateur doit utiliser une partie des produits \u00e0 forte absorption \u00e0 la m\u00eame concentration, mais il convient \u00e9galement d'augmenter la quantit\u00e9 de photo-initiateur ; le dosage du pigment correspondant \u00e0 la quantit\u00e9 d'initiateur doit \u00e9galement \u00eatre augment\u00e9 de mani\u00e8re appropri\u00e9e ; la taille des particules du pigment ne favorise pas la p\u00e9n\u00e9tration de la lumi\u00e8re, de sorte que l'initiateur doit \u00eatre s\u00e9lectionn\u00e9 parmi les produits \u00e0 forte absorption \u00e0 la m\u00eame concentration, ou la quantit\u00e9 d'initiateur doit \u00eatre augment\u00e9e de mani\u00e8re appropri\u00e9e.<\/p>\n<p>Principe d'adaptation \u00e0 l'\u00e9paisseur du rev\u00eatement : le probl\u00e8me de l'\u00e9paisseur du rev\u00eatement se pose in\u00e9vitablement dans la pratique. Pour les rev\u00eatements \u00e9pais, il faut veiller \u00e0 ce que le principe de s\u00e9lection des couches profondes tienne compte de la couche superficielle, de l'utilisation d'un photo-initiateur \u00e0 grande longueur d'onde et d'une combinaison de photo-initiateurs \u00e0 longueur d'onde relativement courte, la quantit\u00e9 d'initiateurs combin\u00e9s devant \u00e9galement \u00eatre ajust\u00e9e en fonction de l'\u00e9paisseur du produit final. Pour les rev\u00eatements minces, il convient d'accorder une attention particuli\u00e8re \u00e0 la question du blocage de l'oxyg\u00e8ne, dans la s\u00e9lection des photo-initiateurs, il est pr\u00e9f\u00e9rable d'avoir un certain effet de blocage anti-oxydation du photo-initiateur de type capture d'hydrog\u00e8ne et du photo-initiateur de type craquage utilis\u00e9s conjointement avec l'augmentation appropri\u00e9e de la quantit\u00e9 ajout\u00e9e, la combinaison la plus typique \u00e9tant 184 + BP, mais la quantit\u00e9 ajout\u00e9e ne doit pas \u00eatre trop importante, car une quantit\u00e9 trop importante est susceptible d'entra\u00eener un ph\u00e9nom\u00e8ne de protection contre la lumi\u00e8re.<br \/>\nPrincipe de dosage : qu'il s'agisse d'une source lumineuse \u00e0 lampe \u00e0 mercure ou d'une source lumineuse UV-LED, le photo-initiateur dans le processus d'application r\u00e9el doit non seulement tenir compte de la correspondance avec la source lumineuse, mais aussi de l'impact de l'absorbance, de la quantit\u00e9 d'additif et d'autres facteurs. Le principe de base est que la quantit\u00e9 d'additif doit r\u00e9pondre aux besoins de la polym\u00e9risation. Un photo-initiateur \u00e0 haute activit\u00e9 peut \u00eatre ajout\u00e9 pour r\u00e9duire la quantit\u00e9 d'additif appropri\u00e9, un photo-initiateur \u00e0 faible activit\u00e9 peut augmenter la quantit\u00e9 d'additif appropri\u00e9, mais un photo-initiateur \u00e0 haute activit\u00e9 et un photo-initiateur \u00e0 faible activit\u00e9 peuvent \u00e9galement \u00eatre utilis\u00e9s conjointement, c'est-\u00e0-dire pour r\u00e9pondre aux besoins de la polym\u00e9risation et pour \u00e9quilibrer le co\u00fbt de la formule. L'augmentation de la quantit\u00e9 de photo-initiateur peut en effet am\u00e9liorer la vitesse de polym\u00e9risation, mais il ne faut pas en ajouter plus, car l'ajout d'une trop grande quantit\u00e9 entra\u00eenera de nombreux probl\u00e8mes, tels que l'apparition d'un ph\u00e9nom\u00e8ne de protection contre la lumi\u00e8re, l'augmentation du degr\u00e9 de couplage des radicaux libres, une temp\u00e9rature de polym\u00e9risation instantan\u00e9e trop \u00e9lev\u00e9e entra\u00eenant une d\u00e9formation du substrat sensible \u00e0 la chaleur, une vitesse de polym\u00e9risation trop rapide ayant un impact n\u00e9gatif sur l'adh\u00e9rence du produit, un retrait volum\u00e9trique accru, une d\u00e9formation du produit, une r\u00e9duction du poids mol\u00e9culaire du produit final, une diminution des propri\u00e9t\u00e9s m\u00e9caniques globales, une augmentation du co\u00fbt des mati\u00e8res premi\u00e8res, une diminution de la r\u00e9sistance au vieillissement, une aggravation du jaunissement du produit final, etc.La r\u00e9duction de la quantit\u00e9 de photo-initiateur peut entra\u00eener des probl\u00e8mes directs de polym\u00e9risation insuffisante, d'augmentation de la consommation d'\u00e9nergie, d'\u00e9chec de la performance du produit final, etc.<\/p>\n<p>Bernhard Steyrer et al. ont utilis\u00e9 une imprimante 3D \u00e0 405 nm (DLP) pour comparer les spectres d'absorbance UV de l'Ivocerin (Bis (4-methoxybenzoyl) diethylgermanium, BAPO (819) et TPO-L (les spectres d'absorbance UV des trois photo-initiateurs sont pr\u00e9sent\u00e9s dans la figure 11, dans les m\u00eames conditions l'Ivocerin et le BAPO ont une absorbance plus \u00e9lev\u00e9e par rapport au TPOL dans les m\u00eames conditions). L'Ivoc\u00e9rine et le BAPO ont montr\u00e9 une forte activit\u00e9 photo-initiatrice \u00e0 de faibles concentrations, et lorsque l'ajout de photo-initiateur a \u00e9t\u00e9 augment\u00e9, l'Ivoc\u00e9rine et le BAPO ont montr\u00e9 une protection contre la lumi\u00e8re plus \u00e9vidente, ce qui a affect\u00e9 n\u00e9gativement la performance du produit final.<\/p>\n<p>Autres principes (principe de solubilit\u00e9, principe de combinaison, principe de s\u00e9curit\u00e9, principe de prix).<br \/>\nPrincipe de solubilit\u00e9, diff\u00e9rentes r\u00e9sines monom\u00e8res ont une solubilit\u00e9 diff\u00e9rente pour les photo-initiateurs, diff\u00e9rents photo-initiateurs ont une solubilit\u00e9 diff\u00e9rente dans la m\u00eame r\u00e9sine ou le m\u00eame monom\u00e8re, et la solubilit\u00e9 du m\u00eame initiateur dans la m\u00eame r\u00e9sine ou le m\u00eame monom\u00e8re peut \u00e9galement \u00eatre diff\u00e9rente en fonction des saisons. La solubilit\u00e9 des photo-initiateurs peut souvent \u00eatre r\u00e9solue en ajustant le type de r\u00e9sine et de monom\u00e8re ainsi que la quantit\u00e9 de photo-initiateur ajout\u00e9e. \u00c0 l'heure actuelle, la solubilit\u00e9 des photo-initiateurs \u00e0 radicaux libres commerciaux conventionnels est relativement faible : 369, 819, PBZ, etc.<\/p>\n<p>Principe de combinaison, chaque photo-initiateur a ses avantages et ses inconv\u00e9nients uniques, comme le 1173 largement utilis\u00e9, bien que l'activit\u00e9 photo-initiatrice soit \u00e9lev\u00e9e, bon march\u00e9, et bonne compatibilit\u00e9 avec le monom\u00e8re de r\u00e9sine, mais sa longueur d'onde d'absorption de la lumi\u00e8re est courte, le fond de rev\u00eatement \u00e9pais sec d\u00e9ficient, l'odeur, facile \u00e0 volatiliser. En comprenant parfaitement les avantages et les inconv\u00e9nients de chaque photo-initiateur, puis en les combinant efficacement avec l'utilisation des r\u00e9sultats, il est souvent possible d'obtenir 1 + 1 &gt; 2. Combinaison avec l'utilisation du principe g\u00e9n\u00e9ral des longueurs d'onde compl\u00e9mentaires, des types de compl\u00e9mentaires, des types de rationalis\u00e9s, les combinaisons classiques courantes sont : 184 + BP, TPO + 184, 819 + 1173, ITX + 907, BP + EMK, etc.<\/p>\n<p>Principes de s\u00e9curit\u00e9, les photo-initiateurs commerciaux actuels sont plus ou moins nocifs pour l'homme, dans l'utilisation du processus, il faut essayer d'\u00e9viter l'utilisation d'odeur, de volatilit\u00e9, de facilit\u00e9 \u00e0 sublimer le produit, en plus des d\u00e9bris g\u00e9n\u00e9r\u00e9s apr\u00e8s les r\u00e9sidus d'exposition et les questions de migration doivent \u00e9galement \u00eatre pris en compte lors de la conception de la formulation, en particulier l'application finale dans l'emballage alimentaire, l'emballage cosm\u00e9tique, l'emballage pharmaceutique et d'autres produits en contact \u00e9troit avec le corps humain. Par rapport aux photo-initiateurs traditionnels \u00e0 petites mol\u00e9cules, les photo-initiateurs \u00e0 grandes mol\u00e9cules et les photo-initiateurs polym\u00e9risables sont relativement plus s\u00fbrs et leur utilisation peut \u00eatre envisag\u00e9e dans certaines industries sensibles aux exigences de s\u00e9curit\u00e9. \u00c0 l'heure actuelle, les photo-initiateurs commerciaux \u00e0 petites mol\u00e9cules pr\u00e9sentent une s\u00e9curit\u00e9 relativement \u00e9lev\u00e9e 2959 et la CQ (quinone camphr\u00e9e).<\/p>\n<p>Principe de prix, ces derni\u00e8res ann\u00e9es, avec l'\u00e9mergence fr\u00e9quente de politiques de protection de l'environnement, diverses mati\u00e8res premi\u00e8res chimiques ont montr\u00e9 divers degr\u00e9s de p\u00e9nurie, l'industrie des photo-initiateurs en 2017, il y a des produits individuels disponibles au prix de la situation, de sorte que dans la conception de la formulation devrait toujours pr\u00eater attention aux changements de prix sur le march\u00e9 et pr\u00e9parer un plan de sauvegarde. Bien que la maximisation des profits des produits est la poursuite des gens, mais parfois il n'est pas le moins cher le prix plus \u00e9lev\u00e9 le profit, pour assurer la qualit\u00e9 du produit sous la pr\u00e9misse d'essayer de choisir photo-initiateur \u00e0 faible co\u00fbt pour concevoir un produit rentable reconnu par tout le monde.<\/p>\n<h2><\/h2>\n<p><!-- lc-commercial-start --><\/p>\n<h2>A practical selection route for photoinitiator-related projects<\/h2>\n<p>When technical buyers or formulators screen photoinitiators, the most useful decision frame is usually cure quality plus application fit: which package cures reliably, keeps appearance acceptable, and still works under the lamp, film thickness, and substrate conditions of the actual process.<\/p>\n<ul>\n<li><strong>Match the package to the lamp first:<\/strong> mercury lamps, UV LEDs, and visible-light systems can rank the same photoinitiators very differently.<\/li>\n<li><strong>Check depth cure and surface cure separately:<\/strong> a film that feels dry on top can still be weak underneath.<\/li>\n<li><strong>Balance yellowing with reactivity:<\/strong> the strongest deep-cure route is not always the best commercial choice if color or migration risk becomes unacceptable.<\/li>\n<li><strong>Use the final formula as the benchmark:<\/strong> pigment load, monomer package, and film thickness can all change the apparent ranking of the same initiator.<\/li>\n<\/ul>\n<h3>Recommended product references<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/fr\/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\/fr\/product\/cas-270586-78-2\/\">CHLUMINIT TMO<\/a>:<\/strong> A valuable comparison point when lower yellowing or TPO-replacement discussions matter.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/fr\/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\/fr\/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<\/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>Contactez-nous d\u00e8s maintenant !<\/b><\/strong><\/h2>\n<h4><strong><b>Si vous avez besoin de Price, veuillez indiquer vos coordonn\u00e9es dans le formulaire ci-dessous. Nous vous contacterons g\u00e9n\u00e9ralement dans les 24 heures. Vous pouvez \u00e9galement m'envoyer un courriel <span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"mailto:info@longchangchemical.com\">info@longchangchemical.com<\/a><\/span>\u00a0pendant les heures de travail ( 8:30 am to 6:00 pm UTC+8 Mon.~Sat. ) ou utilisez le chat en direct du site web pour obtenir une r\u00e9ponse rapide.<\/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\/fr\/product\/photoinitiator-tpo-cas-75980-60-8\/\"><span style=\"color: #00ccff;\">Photoinitiateur 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\/fr\/product\/cas-270586-78-2\/\"><span style=\"color: #00ccff;\">Photoinitiateur 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\/fr\/product\/photoinitiator-pd-01-cas-579-07-7\/\"><span style=\"color: #00ccff;\">Photoinitiateur 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\/fr\/product\/photoinitiator-pbz-cas-2128-93-0\/\"><span style=\"color: #00ccff;\">Photoinitiateur 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\/fr\/product\/photoinitiator-oxe-02-cas-478556-66-0\/\"><span style=\"color: #00ccff;\">Photoinitiateur 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\/fr\/product\/photoinitiator-ombb\/\"><span style=\"color: #00ccff;\">Photoinitiateur 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\/fr\/product\/photoinitiator-mpbz-6012\/\"><span style=\"color: #00ccff;\">Photoinitiateur 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\/fr\/product\/photoinitiator-mbp-cas-134-84-9\/\"><span style=\"color: #00ccff;\">Photoinitiateur 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\/fr\/product\/photoinitiator-mbf-cas-15206-55-0\/\"><span style=\"color: #00ccff;\">Photoinitiateur 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\/fr\/product\/photoinitiator-lap-cas-85073-19-4\/\"><span style=\"color: #00ccff;\">Photoinitiateur 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\/fr\/product\/photoinitiator-itx-cas-5495-84-1\/\"><span style=\"color: #00ccff;\">Photoinitiateur 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\/fr\/product\/photoinitiator-emk\/\"><span style=\"color: #00ccff;\">Photoinitiateur 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\/fr\/product\/photoinitiator-eha-cas-21245-02-3\/\"><span style=\"color: #00ccff;\">Photoinitiateur 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\/fr\/product\/photoinitiator-edb-cas-10287-53-3\/\"><span style=\"color: #00ccff;\">Photo-initiateur 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\/fr\/product\/photoinitiator-detx-cas-82799-44-8\/\"><span style=\"color: #00ccff;\">Photoinitiateur 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\/fr\/product\/photoinitiator-cq\/\"><span style=\"color: #00ccff;\">Photoinitiateur 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\/fr\/product\/photoinitiator-cbp-cas-134-85-0\/\"><span style=\"color: #00ccff;\">Photoinitiateur 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\/fr\/product\/photoinitiator-bp-cas-119-61-9\/\"><span style=\"color: #00ccff;\">Photo-initiateur BP \/ Benzoph\u00e9none<\/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\/fr\/product\/photoinitiator-bms\/\"><span style=\"color: #00ccff;\">Photoinitiateur 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\/fr\/product\/photoinitiator-938\/\"><span style=\"color: #00ccff;\">Photoinitiateur 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\/fr\/product\/photoinitiator-937-cas-71786-70-4\/\"><span style=\"color: #00ccff;\">Photoinitiateur 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\/fr\/product\/photoinitiator-819-dw\/\"><span style=\"color: #00ccff;\">Photo-initiateur 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\/fr\/product\/photoinitiator-819-irgacure-819-cas-162881-26-7\/\"><span style=\"color: #00ccff;\">Photoinitiateur 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\/fr\/product\/photoinitiator-784-cas-125051-32-3\/\"><span style=\"color: #00ccff;\">Photoinitiateur 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\/fr\/product\/photoinitiator-754-cas-211510-16-6-442536-99-4\/\"><span style=\"color: #00ccff;\">Photoinitiateur 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\/fr\/product\/photoinitiator-6993-cas-71449-78-0\/\"><span style=\"color: #00ccff;\">Photoinitiateur 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\/fr\/product\/photoinitiator-6976\/\"><span style=\"color: #00ccff;\">Photoinitiateur 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\/fr\/product\/photoinitiator-379-cas-119344-86-4\/\"><span style=\"color: #00ccff;\">Photoinitiateur 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\/fr\/product\/photoinitiator-369-cas-119313-12-1\/\"><span style=\"color: #00ccff;\">Photoinitiateur 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;\" 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such as: matching the principle with<\/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-5249","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>2025 The Complete Guide To Principles of free radical photoinitiator application - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"Photoinitiator as one of the key raw materials in the photopolymerization formula, there are some common principles to pay attention to when formulating...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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