Synthesis of Pentaerythritol Abietate Stearic-acid Composite Ester and Its Application in PVC

doi:10.19491/j.issn.1001-9278.2012.04.019

China Plastics ›› 2012, Vol. 26 ›› Issue (04): 97-101 .DOI: 10.19491/j.issn.1001-9278.2012.04.019

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Synthesis of Pentaerythritol Abietate Stearic-acid Composite Ester and Its Application in PVC

QIU Liling XU Jun CHEN Zhaohan WANG Tujing LIN Ronglin

Received:2011-12-08 Revised:2012-02-21 Online:2012-04-26 Published:2012-04-26

Abstract

Abstract: Levopimaric acid transannular peroxide was prepared from levopimaric acid, which was purificationed from abietic resin, through direct photo-oxidation and peroxidation reaction. Then the composite ester was prepared from a mixture of stearic acid, levopimaric acid transannular peroxide, and pentaerythritol, using heteropolyacid quaternary ammonium as a catalyst with microwave heating. It showed that the composite ester constituted an excellent stabilizer for PVC. The effects included improving static heat stability, damanic heat stability, Congo-red time, water absorption, electric property, and so on.

Key words: poly(vinyl chloride), stabilizer, abietic resin, pentaerythritol, composite ester

QIU Liling XU Jun CHEN Zhaohan WANG Tujing LIN Ronglin. Synthesis of Pentaerythritol Abietate Stearic-acid Composite Ester and Its Application in PVC[J]. China Plastics, 2012, 26(04): 97-101 .

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Synthesis of Pentaerythritol Abietate Stearic-acid Composite Ester and Its Application in PVC

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