THERMAL DEGRADATION OF POLY(p-PHENYLENEBENZOBISTHIAZOLE)AND POLY(p-PHENYLENEBENZOBISOXAZOLE)

HUANG Liyan; SHI Yi; JIN Xigao; WU Zhongquan; LI Fuming; CHENG Stephen Z.D.

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THERMAL DEGRADATION OF POLY(p-PHENYLENEBENZOBISTHIAZOLE)AND POLY(p-PHENYLENEBENZOBISOXAZOLE)

Research Article | 更新时间：2021-03-19

- THERMAL DEGRADATION OF POLY(p-PHENYLENEBENZOBISTHIAZOLE)AND POLY(p-PHENYLENEBENZOBISOXAZOLE)
- Acta Polymerica Sinica Issue 3, Pages: 338-345(1999)
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- Published：20 June 1999，
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HUANG Liyan, SHI Yi, JIN Xigao, WU Zhongquan, LI Fuming, CHENG Stephen Z.D.. THERMAL DEGRADATION OF POLY(p-PHENYLENEBENZOBISTHIAZOLE)AND POLY(p-PHENYLENEBENZOBISOXAZOLE). [J]. Acta Polymerica Sinica (3):338-345(1999)
DOI：

HUANG Liyan, SHI Yi, JIN Xigao, WU Zhongquan, LI Fuming, CHENG Stephen Z.D.. THERMAL DEGRADATION OF POLY(p-PHENYLENEBENZOBISTHIAZOLE)AND POLY(p-PHENYLENEBENZOBISOXAZOLE). [J]. Acta Polymerica Sinica (3):338-345(1999) DOI：

摘要

用高分辨裂解气相色谱质谱（ＨＲＰｙＧＣ-ＭＳ）研究了聚亚苯基苯并二噻唑、聚亚苯基苯并二-唑的热分解行为

鉴定了相应裂解产物的组成、分布及其与高分子结构的关系

并用热重法（ＴＧ）测定了它们的热分解反应动力学参数

提出了其热分解反应机理

Abstract

The thermal degradation of poly(pphenylenebenzobisthiazole) (PBZT) and poly-(pphenylenebenzobisoxazole) (PBZO) was studied by high resolution pyrolysis-gas chromatography/mass spectrometry (HR Py-GC/MS) and thermogravimetry (TG).The pyrorgams of PBZT and PBZO were obtained at the pyrolysis temperatures between 764 and 1040

and the pyrolyzates were identified by on-line MS.The influence of pyrolysis temperature on pyrolyzate yields is discussed.The thermal degradation mechanisms of PBZT and PBZO are described based on the results of HR Py-GC/MS and dynamic parameters.

关键词

聚亚苯基苯并二噻唑聚亚苯苯并二唑热分解高分辨裂解气相色谱质谱热重法

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