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Photoinitiation properties of heterocyclic hexaarylbiimidazoles with high UV‐vis absorbance
Author(s) -
Shi Yongtao,
Wang Baohu,
Jiang Xuesong,
Yin Jie,
Kaji Makoto,
Yori Hanako
Publication year - 2007
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.26301
Subject(s) - photopolymer , absorbance , acrylate polymer , dilatometer , photoinitiator , acrylate , photochemistry , polymerization , absorption (acoustics) , materials science , photosensitivity , fluorescence , polymer chemistry , nuclear chemistry , chemistry , monomer , polymer , organic chemistry , optics , chromatography , composite material , physics , optoelectronics , thermal expansion
Four heterocyclic hexaarylbiimidazoles, BFuTM‐HABI, BThTM‐HABI, BCTFu‐HABI, and BCTTh‐HABI, were synthesized to improve the UV‐vis absorption properties of hexaarylbiimidazoles. UV‐vis spectra, fluorescence spectra, ESR measurements, photo‐dilatometer experiments, and photo‐DSC measurements indicate that BCTFu‐HABI and BCTTh‐HABI exhibit better UV‐vis absorption abilities and photoinitiation activities for acrylate derivatives with different functionalities than BFuTM‐HABI and BThTM‐HABI, respectively. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci 2007

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