DYE-SENSITIZED PHOTOLYSIS OF o-Cl-HEXAARYLBIIMIDAZOLE AND PHOTOPOLYMERIZATION KINETICS STUDY OF THE LONG WAVE-LENGTH DYE/HEXAARYLBIIMIDAZOLE SYSTEMS*

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DYE-SENSITIZED PHOTOLYSIS OF o-Cl-HEXAARYLBIIMIDAZOLE AND PHOTOPOLYMERIZATION KINETICS STUDY OF THE LONG WAVE-LENGTH DYE/HEXAARYLBIIMIDAZOLE SYSTEMS*

Papers | Updated：2021-06-21

- DYE-SENSITIZED PHOTOLYSIS OF o-Cl-HEXAARYLBIIMIDAZOLE AND PHOTOPOLYMERIZATION KINETICS STUDY OF THE LONG WAVE-LENGTH DYE/HEXAARYLBIIMIDAZOLE SYSTEMS*
- Vol. 18, Issue 6, Pages: 493-500(2000)
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- Published：20 December 2000
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DYE-SENSITIZED PHOTOLYSIS OF o-Cl-HEXAARYLBIIMIDAZOLE AND PHOTOPOLYMERIZATION KINETICS STUDY OF THE LONG WAVE-LENGTH DYE/HEXAARYLBIIMIDAZOLE SYSTEMS*[J]. 2000, 18(6): 493-500.
DOI：

DYE-SENSITIZED PHOTOLYSIS OF o-Cl-HEXAARYLBIIMIDAZOLE AND PHOTOPOLYMERIZATION KINETICS STUDY OF THE LONG WAVE-LENGTH DYE/HEXAARYLBIIMIDAZOLE SYSTEMS*[J]. 2000, 18(6): 493-500. DOI：

摘要

o-Chloro-hexaarylbiimidazole (o-Cl-HABI) can be sensitized efficiently by the dyes 1-ethyl-3'-methyl thiacyaninebromide (C 1)

3'-diethyl thiacarbocyanine iodide (C 2)

and cyclopentanone 2

5-bis[2-(1

3-dihydro-1

3-trimethyl-2H-indol-2-ylidene)ethylidene] (C 3) through electron transfer proceses. When exposed to a xenon lamp (filtered by Pyrex glass)

the photosensitive systems composed of o-Cl-HABI and the above dyes can produce free radicals which initiate thepolymerization of MMA. The photopolymerization kinetics equation was obtained for the ο-C1-HABI/C2 system

Rp=K[C2]0.75[ο-C1-HABI]0.44[MTA]0.12[MMA]1.0.A comparison of the influence of different dyes on the conversion of MMA photopolymerization was conducted.

Abstract

o-Chloro-hexaarylbiimidazole (o-Cl-HABI) can be sensitized efficiently by the dyes 1-ethyl-3'-methyl thiacyaninebromide (C 1)

3'-diethyl thiacarbocyanine iodide (C 2)

and cyclopentanone 2

5-bis[2-(1

3-dihydro-1

3-trimethyl-2H-indol-2-ylidene)ethylidene] (C 3) through electron transfer proceses. When exposed to a xenon lamp (filtered by Pyrex glass)

Rp=K[C2]0.75[ο-C1-HABI]0.44[MTA]0.12[MMA]1.0.A comparison of the influence of different dyes on the conversion of MMA photopolymerization was conducted.

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