Meta-Terphenyl Derivative/ Iodonium Salt/9H-Carbazole-9-ethanol Photoinitiating Systems for Free Radical Promoted Cationic Polymerization upon Visible Lights

被引:43
作者
Al Mousawi, Assi [1 ,2 ]
Dietlin, Celine [1 ]
Graff, Bernadette [1 ]
Morlet-Savary, Fabrice [1 ]
Toufaily, Joumana [2 ,3 ]
Hamieh, Tayssir [2 ]
Fouassier, Jean Pierre [1 ]
Chachaj-Brekiesz, Anna [4 ]
Ortyl, Joanna [5 ,6 ]
Lalevee, Jacques [1 ]
机构
[1] UHA, CNRS, UMR 7361, IS2M, 15 Rue Jean Starcky, F-68057 Mulhouse, France
[2] Univ Libanaise, EDST, Lab Mat Catalyse Environm & Methodes Analyt MCEMA, Campus Hariri, Hadath, Beyrouth, Lebanon
[3] Univ Libanaise, EDST, LEADDER, Campus Hariri, Hadath, Beyrouth, Lebanon
[4] Jagiellonian Univ, Fac Chem, Ingardena 3, PL-30060 Krakow, Poland
[5] Cracow Univ Technol, Fac Chem Engn & Technol, Warszawska 24, PL-31155 Krakow, Poland
[6] Photo HiTech Ltd, Bobrzynskiego 14, PL-30348 Krakow, Poland
关键词
additives; cationic polymerization; free radical promoted cationic polymerization; light emitting diodes (LEDs); visible light; PHOTOPOLYMERIZATION; SALT; PHOTOSENSITIZERS; ACCELERATION; ELECTRON; KINETICS;
D O I
10.1002/macp.201600224
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 [高分子化学与物理];
摘要
In the present paper, new photoinitiators based on the meta-terphenyl scaffold in combination with an iodonium salt and 9H-carbazole-9-ethanol (CARET) are proposed for the free radical promoted cationic polymerization of epoxides upon visible light exposure using light emitting diodes at 405, 455, and 470 nm. Remarkably, a new high performance additive (i.e., CARET) is proposed here for cationic polymerizations. CARET shows some important advantages compared to other reported additives such as N-vinylcarbazole or benzyl alcohol used as references. Excellent polymerization initiating abilities are found and a full picture of the involved chemical mechanisms is provided.
引用
收藏
页码:1955 / 1965
页数:11
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