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Carbazole-based compounds as photoinitiators for free radical and cationic polymerization upon near visible light illumination†
Photochemical & Photobiological Sciences ( IF 2.7 ) Pub Date : 2018-03-20 00:00:00 , DOI: 10.1039/c7pp00400a
Assi Al Mousawi 1, 2, 3, 4, 5 , Ahmad Arar 1, 2, 3 , Malika Ibrahim-Ouali 6, 7, 8, 9, 10 , Sylvain Duval 3, 11, 12, 13, 14 , Frédéric Dumur 3, 6, 7, 15, 16 , Patxi Garra 1, 2, 3 , Joumana Toufaily 4, 5, 17, 18, 19 , Tayssir Hamieh 4, 5, 17, 18, 19 , Bernadette Graff 1, 2, 3 , Didier Gigmes 3, 6, 7, 15, 16 , Jean-Pierre Fouassier 1, 2, 3 , Jacques Lalevée 1, 2, 3
Affiliation  

Six new carbazole based compounds (Ca1–Ca6) are synthesized and proposed as high performance photoinitiators with iodonium salt (iod) and/or an amine (EDB) for both the free radical polymerization (FRP) of acrylates and the cationic polymerization (CP) of epoxides upon near UV and visible light exposure using light emitting diodes (LEDs) @385 nm and @405 nm. Excellent polymerization initiating abilities are found and high final reactive function conversions are acquired. A full picture of the involved photochemical mechanisms is given.

中文翻译:

基于咔唑的化合物作为光引发剂,可在近可见光照射下发生自由基和阳离子聚合作用

合成了六种新的咔唑基化合物(Ca1-Ca6),并提出了与碘盐(碘)和/或胺(EDB)一起用作丙烯酸酯的自由基聚合(FRP)和阳离子聚合(CP)的高性能光引发剂使用385 nm和405 nm的发光二极管(LED)在近紫外光和可见光下曝光时所产生的环氧化物。发现优异的聚合引发能力并获得高的最终反应性官能团转化率。给出了所涉及的光化学机理的全貌。
更新日期:2018-03-20
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