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Development of new heterobicationic monomethine dyes as effective photoinitiator of free radical polymerization in visible‐light region
Author(s) -
Kabatc Janina,
Kaczorowska Mirosława,
Jędrzejewska Beata,
Pączkowski Jerzy
Publication year - 2008
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.27821
Subject(s) - photoinitiator , photopolymer , polymerization , photochemistry , radical polymerization , monomer , polymer chemistry , chromophore , chemistry , materials science , polymer , organic chemistry
The dye initiators consisting of N ‐[3‐( p ‐alkylpyridine)propyl]‐2‐[ N ‐(3‐bromopropyl)quinoline]‐2‐methylenebenzotiazolium diiodides as chromophores and n ‐butyltriphenylborate anion as electron donor were prepared to achieve an efficient photoinitiator of free radical polymerization in a visible‐light region. The relative photoinitiating efficiencies of novel photoinitiators of vinyl monomers polymerization were evaluated. The results obtained clearly documented that the bicationic photoinitiators exhibit a marked increase in the photoinitiation ability compared to the initiators consisting of a single charged hemicyanine dye. © 2008 Wiley Periodicals, Inc. J Appl Polym Sci, 2008