Citation:
HE Junhui, WANG Erjian. PHOTOINITIATED POLYMERIZATION BY ARYLIODONIUM SALT/BENZOPHENONE/TERTIARY AMINE BINARY PHOTOSENSITIZATION SYSTEM[J]. Chinese Journal of Polymer Science,
1990, 8(1): 44-50.
PHOTOINITIATED POLYMERIZATION BY ARYLIODONIUM SALT/BENZOPHENONE/TERTIARY AMINE BINARY PHOTOSENSITIZATION SYSTEM
摘要:
A novel binary photosensitization system composed of benzophenone (BP)/diphenyliodonium chloride (DPIOC) Ariethylamine (TEA), exhibiting a good photoresponse at near UV and visible light regions, was used as the initiator for photopolymerization of MMA. The radical photogeneration in the binary system consists mainly of two parallel reactions, i. e. , BP/TEA photohydrogen-abstraction and DPIOC/TEA complex photodecomposition, but the latter is more active than the former. The results of comparative study indicate that the rate of polymerization induced by the binary system (BDT) is remarkably higher than those by the corresponding single systems The polymerization rates are proportional to [BP]0.16,[DPIOC]0.32,[TEA]0.45 and [MMA].The mechanism is also discussed.
English
PHOTOINITIATED POLYMERIZATION BY ARYLIODONIUM SALT/BENZOPHENONE/TERTIARY AMINE BINARY PHOTOSENSITIZATION SYSTEM
Abstract:
A novel binary photosensitization system composed of benzophenone (BP)/diphenyliodonium chloride (DPIOC) Ariethylamine (TEA), exhibiting a good photoresponse at near UV and visible light regions, was used as the initiator for photopolymerization of MMA. The radical photogeneration in the binary system consists mainly of two parallel reactions, i. e. , BP/TEA photohydrogen-abstraction and DPIOC/TEA complex photodecomposition, but the latter is more active than the former. The results of comparative study indicate that the rate of polymerization induced by the binary system (BDT) is remarkably higher than those by the corresponding single systems The polymerization rates are proportional to [BP]0.16,[DPIOC]0.32,[TEA]0.45 and [MMA].The mechanism is also discussed.
扫一扫看文章
计量
- PDF下载量: 0
- 文章访问数: 761
- HTML全文浏览量: 14
下载:
