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含Cardo基三元共聚芳醚砜的合成

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Indexed by:期刊论文

Date of Publication:2014-09-25

Journal:合成树脂及塑料

Included Journals:Scopus、PKU、ISTIC

Volume:31

Issue:5

Page Number:14-17,22

ISSN No.:1002-1396

Key Words:三元共聚芳醚砜 双酚A 酚酞 热性能 ternary poly(arylene ether sulfone) copolymer bisphenol A phenolphthalein thermal stability

Abstract:以酚酞,双酚A,4,4'-二氯二苯砜为原料,采用碱性条件下亲核取代、逐步缩聚的方法合成了一系列新型的主链上含Cardo基的三元共聚芳醚砜。采用傅里叶变换红外光谱仪、核磁共振氢谱仪、差示扫描量热仪、热重分析仪、凝胶渗透色谱仪等表征了含Cardo基三元共聚芳醚砜的结构并研究了其热性能。结果表明:含Cardo基三元共聚芳醚砜为非晶态,其玻璃化转变温度为171~258℃,在氮气中质量损失5%时的温度均高于395℃;在强极性非质子溶剂及普通有机溶剂中均具有较好的溶解性;相对分子质量为(1.0~2.1)×104,相对分子质量分布为2.23~3.49。

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