Characterization and Pyrolysis Mechanism of Polyphenoxyphosphazene

doi:10.3696/j.issn.1006-396X.2011.02.004

Journal of Petrochemical Universities ›› 2011, Vol. 24 ›› Issue (2): 14-17.DOI: 10.3696/j.issn.1006-396X.2011.02.004

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Characterization and Pyrolysis Mechanism of Polyphenoxyphosphazene

1.College of Material Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P.R.China;

2. Department of Material Science and Engineering, Beijing Institute of Petrochemical Technology, Beijing 102617, P.R.China;　3.College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, P.R.China

Received:2011-01-06 Revised:2011-03-03 Published:2011-04-25 Online:2011-04-25

聚苯氧基磷腈的合成表征及热裂解机理研究

刘建伟¹,杨明山^2* ,王莉³

1.北京化工大学材料科学与工程学院,北京100029;2.北京石油化工学院材料科学与工程系,北京102617;3.北京化工大学化学工程学院,北京100029

作者简介:刘建伟(1984 -), 男, 山西大同市, 在读硕士
基金资助:
广东省教育部产学研结合项目(2007A090302051);科研基地-科技创新平台-高性能环保材料分析研究(2011)

Abstract

Abstract:

Polyphenoxyphosphazene(PPP) was prepared from nucleophilic substitute reaction poly-(dichlorophosphazene)，which was synthesized by thermal ring-open polymerization through hexachlorocyclotriphosphazene. The structure and property of PPP were analyzed by FT-IR, NMR, TGA. Pyrolysis mechanism of PPP was discussed by pyrolysis gas chromatography-gas chromatography-mass spectrometry. The results show that PPP has good heat resistance and has different thermal decomposition mode in high temperature, the side groups fracture at 400 ℃, main chain fracture above 500 ℃.

Key words:

Polyphenoxyphosphazene, , Pyrolysis, , Mechanism

摘要： 利用六氯环三磷腈热开环聚合得到聚二氯磷腈, 通过亲核取代制备了聚苯氧基磷腈(PPP), 采用 NM R(31 P, 1 H , 13 C), FT -IR, TGA 等对其结构和性能进行了表征和分析, 裂解色谱-气相色谱-质谱对聚苯氧基磷腈的热裂解机理进行了探讨研究。结果表明, 聚苯氧基磷腈具有很好的耐热性能, 在高温阶段存在不同的热分解模式, 在400 ℃时主要为侧基的断裂, 500 ℃以上主要为主链的断裂。

关键词: 聚苯氧基磷腈 , 热裂解 , 机理

LIU Jian-wei,YANG Ming-shan,WANG Li. Characterization and Pyrolysis Mechanism of Polyphenoxyphosphazene[J]. Journal of Petrochemical Universities, 2011, 24(2): 14-17.

刘建伟,杨明山,王莉. 聚苯氧基磷腈的合成表征及热裂解机理研究[J]. 石油化工高等学校学报, 2011, 24(2): 14-17.

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Characterization and Pyrolysis Mechanism of Polyphenoxyphosphazene

聚苯氧基磷腈的合成表征及热裂解机理研究

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