Study on the Allyl Chlorine Content of Chlorinated Poly(vinyl chloride)(CPVC) and Its influence on Thermal Stability of CPVC

doi:10.19491/j.issn.1001-9278.2009.09.011

China Plastics ›› 2009, Vol. 23 ›› Issue (09): 49-53 .DOI: 10.19491/j.issn.1001-9278.2009.09.011

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Study on the Allyl Chlorine Content of Chlorinated Poly(vinyl chloride)(CPVC) and Its influence on Thermal Stability of CPVC

MU Nan-qiang;YUE Qun;LIU Bing-xue;YUAN Mao-quan;HU Mei-hua;WU De-zhen

Received:2009-04-30 Revised:1900-01-01 Online:2009-09-26 Published:2009-09-26

Abstract

Abstract: Three kinds of chlorinated poly(vinyl chloride)(CPVC) resin with similar molecular weight and distribution were subjected to 13C-NMR analysis in order to determine their sequence structure. According to the formation mechanism of allyl chlorine, a method to calculate the allyl chlorine content of CPVC was established. Thermal stability of the CPVC resins was studied using Brabender rheometer. It was found that the thermal stability of CPVC increased with decreasing allyl chlorine content.

Key words: chlorinated polyvinyl chloride, solid- nuclear magnetic resonance, allyl chloride, thermal stability

CLC Number:

O632.21

MU Nan-qiang, YUE Qun, LIU Bing-xue, YUAN Mao-quan, HU Mei-hua, WU De-zhen. Study on the Allyl Chlorine Content of Chlorinated Poly(vinyl chloride)(CPVC) and Its influence on Thermal Stability of CPVC[J]. China Plastics, 2009, 23(09): 49-53 .

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Study on the Allyl Chlorine Content of Chlorinated Poly(vinyl chloride)(CPVC) and Its influence on Thermal Stability of CPVC

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