Carbazole-based compounds as photoinitiators for free radical and cationic polymerization upon near visible light illumination†,Photochemical & Photobiological Sciences

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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

Institut de Science des Matériaux de Mulhouse IS2M – UMR CNRS 7361 – UHA
68057 Mulhouse Cedex
France
Laboratoire de Matériaux
Catalyse
Aix Marseille Univ
CNRS
Centrale Marseille
iSm2
Marseille
Unité de Catalyse et Chimie du Solide (UCCS) – UMR CNRS 8181
Université de Lille
ENSCL
59652 Villeneuve d'Ascq
ICR UMR 7273
F-13397 Marseille
Environnement et Méthodes analytiques (MCEMA-CHAMSI)
EDST
Université Libanaise

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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