Research on thermal oxidative aging and stability of Polyvinyl Alcohol

doi:10.19491/j.issn.1001-9278.2008.09.016

China Plastics ›› 2008, Vol. 22 ›› Issue (09): 74-77 .DOI: 10.19491/j.issn.1001-9278.2008.09.016

Research on thermal oxidative aging and stability of Polyvinyl Alcohol

WANG Jian-chao;XIANG Ai-min;LIU xiao-jian

Department of Material Science and Engineering, Beijing Technology and Business University

Received:1900-01-01 Revised:1900-01-01 Online:2008-09-26 Published:2008-09-26

Abstract

Abstract: The aging of PVA on heating in the presence of oxygen were investigated. The conjugated double bounds were observed by FTIR&XPS, which confirmed the elimination reaction of hydroxyl groups from poly (vinyl alcohol) at high temperature. By introduction of composite stabilizers of phosphates and phenols into PVA, the elimination of hydroxyl groups was effectively inhibited, which was evidenced by the decrease torque of PVA melt and yellow index.

Key words: Polyvinyl Alcohol, Thermal oxidative aging, Composite stabilizers

WANG Jian-chao, XIANG Ai-min, LIU xiao-jian. Research on thermal oxidative aging and stability of Polyvinyl Alcohol[J]. China Plastics, 2008, 22(09): 74-77 .

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Research on thermal oxidative aging and stability of Polyvinyl Alcohol

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