STUDY OF PHOTOSENSITIZED INITIATION SYSTEM CONTAINING OXYGEN V. Effect of Mercaptan Additives
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STUDY OF PHOTOSENSITIZED INITIATION SYSTEM CONTAINING OXYGEN V. Effect of Mercaptan Additives
Acta Polymerica SinicaIssue 1, Pages: 35-39(1987)
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Published:20 February 1987,
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WANG Er-jian, LI Miao-zhen, CHANG Zhi-ying, FENG Xin-de. STUDY OF PHOTOSENSITIZED INITIATION SYSTEM CONTAINING OXYGEN V. Effect of Mercaptan Additives. [J]. Acta Polymerica Sinica (1):35-39(1987)
DOI:
WANG Er-jian, LI Miao-zhen, CHANG Zhi-ying, FENG Xin-de. STUDY OF PHOTOSENSITIZED INITIATION SYSTEM CONTAINING OXYGEN V. Effect of Mercaptan Additives. [J]. Acta Polymerica Sinica (1):35-39(1987)DOI:
STUDY OF PHOTOSENSITIZED INITIATION SYSTEM CONTAINING OXYGEN V. Effect of Mercaptan Additives
A kinetic study on the photopolymerization of MMA with benzophenone/triethylamine/mer-captan system as initiator has been carried out in the presence of oxygen. It was found that both aliphatic and aromatic thiols promoted th photooxygenation process
leading to obvious decrease in an induction period of polymerization. The rate-acceleration pf aromatic thiols is more effective than that of aliphatic ones. For example P-toluene thiol as additive increases the relative quantum yield φO2/φN2 to 1.8.