Photopolymerization of epoxides with benzyl sulfonium salts as latent photoinitiators.
- 1 January 1992
- journal article
- Published by Technical Association of Photopolymers, Japan in Journal of Photopolymer Science and Technology
- Vol. 5 (2) , 247-254
- https://doi.org/10.2494/photopolymer.5.247
Abstract
Photoinitiator activity of benzyl p-hydroxyphenyl methyl sulfonium salts (3) was evaluated in the photopolymerization of phenyl glycidyl ether (PGE) under UV irradiation. These sulfonium salts served as good photoinitiators. The order of the activity of 3 as photoinitiators was 3b(X=PF6)>3a(X=SbF6)_??_3c(X=BF4). Initiation species was estimated to be benzyl cation by the analyses of polymers obtained in the photopolymerization of PGE and n-butyl glycidyl ether (BGE) with p-chlorobenzyl p-hydroxyphenyl methyl sulfonium salt(4).Keywords
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