Novel aluminum phosphate/cyanate ester composites: Thermodegradation behaviors and kinetic analyses | Zendy

Sun Zhouqiang | Zendy; Gu Aijuan | Zendy; Liang Guozheng | Zendy; Dai Shankai | Zendy; Yuan Li | Zendy

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Novel aluminum phosphate/cyanate ester composites: Thermodegradation behaviors and kinetic analyses

Author(s) -

Sun Zhouqiang,

Gu Aijuan,

Liang Guozheng,

Dai Shankai,

Yuan Li

Publication year - 2009

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.30060

Subject(s) - cyanate , materials science , char , degradation (telecommunications) , yield (engineering) , composite material , cyanate ester , activation energy , phosphate , chemistry , polymer chemistry , pyrolysis , organic chemistry , telecommunications , computer science , epoxy

Thermodegradation behaviors of novel aluminum phosphate/cyanate ester (AlPO 4 (KH550)/CE) composites were studied in detail. Results show that thermodegradation behaviors and kinetic parameters of AlPO 4 (KH550)/CE composites are greatly dependent on the AlPO 4 (KH550) loading. The addition of AlPO 4 (KH550) into CE resin changes the thermodegradation mechanism (mainly at the temperature lower than 450°C) and degradation process from two steps to three steps. Comparing with CE resin, AlPO 4 (KH550)/CE composites have lower initial degradation temperature and greatly higher char yield. Besides, for each thermodegradation step, the more the AlPO 4 content, the smaller the activation energy value is. All reasons leading to these outcomes are investigated intensively. © 2009 Wiley Periodicals, Inc. J Appl Polym Sci, 2009

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