PHOTOPOLYMERIZATION INITIATED BY DIMETHYLAMINOCHALCONE/DIPHENYLIODONIUM SALT COMBINATION SYSTEM SENSITIVE TO VISIBLE LIGHT

LI Jun; LI Miaozhen; SONG Huaihai; YANG Yongyuan; WANG Erjian

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PHOTOPOLYMERIZATION INITIATED BY DIMETHYLAMINOCHALCONE/DIPHENYLIODONIUM SALT COMBINATION SYSTEM SENSITIVE TO VISIBLE LIGHT

Papers | Updated：2021-06-21

- PHOTOPOLYMERIZATION INITIATED BY DIMETHYLAMINOCHALCONE/DIPHENYLIODONIUM SALT COMBINATION SYSTEM SENSITIVE TO VISIBLE LIGHT
- Vol. 11, Issue 2, Pages: 163-170(1993)
- Affiliations：
  
  1. Institute of Photographic Chemistry, Academia Sinica,Beijing,100101
  2. Academia Sinica
  3. Beijing 100101
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：20 June 1993
- Accepted：
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[1]李军,李妙贞,宋怀海,杨永源,王尔.PHOTOPOLYMERIZATION INITIATED BY DIMETHYLAMINOCHALCONE/DIPHENYLIODONIUM SALT COMBINATION SYSTEM SENSITIVE TO VISIBLE LIGHT[J].Chinese Journal of Polymer Science,1993,{4}(02):163-170.

LI Jun, LI Miaozhen, SONG Huaihai, et al. PHOTOPOLYMERIZATION INITIATED BY DIMETHYLAMINOCHALCONE/DIPHENYLIODONIUM SALT COMBINATION SYSTEM SENSITIVE TO VISIBLE LIGHT[J]. 1993, 11(2): 163-170.
[1]李军,李妙贞,宋怀海,杨永源,王尔.PHOTOPOLYMERIZATION INITIATED BY DIMETHYLAMINOCHALCONE/DIPHENYLIODONIUM SALT COMBINATION SYSTEM SENSITIVE TO VISIBLE LIGHT[J].Chinese Journal of Polymer Science,1993,{4}(02):163-170. DOI：

LI Jun, LI Miaozhen, SONG Huaihai, et al. PHOTOPOLYMERIZATION INITIATED BY DIMETHYLAMINOCHALCONE/DIPHENYLIODONIUM SALT COMBINATION SYSTEM SENSITIVE TO VISIBLE LIGHT[J]. 1993, 11(2): 163-170. DOI：

摘要

正

Several dimethylamino-substituted chalcone （i .e. dimethylaminobenzal acetophenone）（DBA） derivatives with intramolecular charge transfer transition character were used as visible light sensitizers for radical photopolymerization initiated by iodonium salt （DPIO）. Initiating radical species is produced from DBA sensitized photolysis of DPIO through the single electron transfer

accompanying the bleaching of DBA

The activity of DBA decreases as a function of substituent attached to phenyl ring in the order: DBA-2 （OCH

）

DBA-1（H）

DBA-3 （Cl）. The kinetic study on photopolymerization of MMA was carried out in CH

CN solution at 30 ℃by dilatometry. The polymerization rate was determined to be proportional to the concentration with exponents of 0.42

0.25 and 0.86 for DPIO

DBA-1 and MMA

respectively.

Abstract

accompanying the bleaching of DBA

The activity of DBA decreases as a function of substituent attached to phenyl ring in the order: DBA-2 （OCH

）

DBA-1（H）

DBA-3 （Cl）. The kinetic study on photopolymerization of MMA was carried out in CH

CN solution at 30 ℃ by dilatometry. The polymerization rate was determined to be proportional to the concentration with exponents of 0.42

0.25 and 0.86 for DPIO

DBA-1 and MMA

respectively.

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