Citation: LI Tong, CAO Weixiao, FENG Xinde. STUDIES ON THE MECHANISM OF VINYL PHOTOPOLYMERIZATION INITIATED BY CONDENSED AROMATIC HYDROCARBON- ANILINE SYSTEMS*[J]. Chinese Journal of Polymer Science, ;1985, 3(4): 341-349. shu

STUDIES ON THE MECHANISM OF VINYL PHOTOPOLYMERIZATION INITIATED BY CONDENSED AROMATIC HYDROCARBON- ANILINE SYSTEMS*

Received Date: 15 May 1985

Initiation mechanism of the photopolymerization of acrylonitrile and methyl methacrylate, usingbinary condensed aromatic hydrocarbon (CAH)-aniline systems as initiator, was studied. The strongerthe electron-donating ability of the aniline derivatives, the faster the the of photopolymerizationwill be. The radical intermediates produced by photoreaction between anthracene and anilinewere detected with ESR spectra. The initiation scheme involves the formation of exciplex betweenthe excited singlet state of CAH and the ground state of aniline as the first step,and then followed by proton transfer,leading to the generation of two kinds of radicals.From the end-group analysis of the polymers obtained,it is suggested that both kinds of radicals are involved in the initiation.
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