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聚芳醚砜酮纤维的热性能

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Indexed by:期刊论文

Date of Publication:2003-04-15

Journal:合成纤维工业

Included Journals:PKU、ISTIC、CSCD

Volume:26

Issue:2

Page Number:24-26

ISSN No.:1001-0041

Key Words:聚芳醚砜酮 耐热纤维 热性能 砜酮比

Abstract:采用DSC、TG测定了含联苯结构聚芳醚砜酮(PPESK)纤维的热性能,结果表明,纤维的玻璃化温度随砜酮比的增大而提高,纤维的起始分解温度大于463℃.当砜酮比为15/85,50/50,75/25时,纤维的玻璃化温度分别为257.62,278.64,279.71℃;热分解活化能分别为150.8,219.9,195.5 kJ/mol;热分解反应级数分别为1,1.76,1级.

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