PHOTOSENSITIZED DEGRADATION OF POLYISOPRENE SOLUTION BY USING DICYANOANTHRACENE AS SENSITIZER

ZHANG Qi-ming; Yu Guo-wen; WU Shi-kang

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PHOTOSENSITIZED DEGRADATION OF POLYISOPRENE SOLUTION BY USING DICYANOANTHRACENE AS SENSITIZER

Research Bulletin | 更新时间：2021-03-19

- PHOTOSENSITIZED DEGRADATION OF POLYISOPRENE SOLUTION BY USING DICYANOANTHRACENE AS SENSITIZER
- Acta Polymerica Sinica Issue 6, Pages: 468-471(1983)
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- Published：20 December 1983，
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ZHANG Qi-ming, Yu Guo-wen, WU Shi-kang. PHOTOSENSITIZED DEGRADATION OF POLYISOPRENE SOLUTION BY USING DICYANOANTHRACENE AS SENSITIZER. [J]. Acta Polymerica Sinica (6):468-471(1983)
DOI：

ZHANG Qi-ming, Yu Guo-wen, WU Shi-kang. PHOTOSENSITIZED DEGRADATION OF POLYISOPRENE SOLUTION BY USING DICYANOANTHRACENE AS SENSITIZER. [J]. Acta Polymerica Sinica (6):468-471(1983) DOI：

摘要

Abstract

In this paper

the photodegradation of polyisoprene (PIP) with 9

10-dicyanoanthrace ne (DCA) as a photosensitizer has been studied. In the photodegradation process

it was found that the reaction proceeds according to the singlet oxygen mechanism. The DABCO-singlet oxygen quencher was used to quench 1O2. It was found that in the quenching process

the electron transfer between DABCO and DCA occured and the photostabilization of DABCO in the DCA-PIP system was promoted.

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