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High‐Performance Photoinitiating Systems for Free Radical Photopolymerization. Application to Holographic Recording
Author(s) -
Ibrahim Ahmad,
Stefano Luciano Di,
Tarzi Olga,
Tar Haja,
Ley Christian,
Allonas Xavier
Publication year - 2013
Publication title -
photochemistry and photobiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.818
H-Index - 131
eISSN - 1751-1097
pISSN - 0031-8655
DOI - 10.1111/php.12132
Subject(s) - photoinitiator , photopolymer , usable , holography , materials science , photochemistry , polymer , chemistry , optics , computer science , polymerization , composite material , physics , monomer , world wide web
The photoinitiating systems ( PIS ) usable in free radical photopolymerization are briefly reviewed. Apart conventional Type I and Type II photoinitiators, three‐component PIS exhibiting a photocyclic behavior are discussed. The mechanisms of photoreaction are presented, highlighting the role of a redox additive which reacts with the photoinitiator photoproduct. Recent applications in holography recording are described showing that the selection of a PIS plays a crucial role in this application.
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