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SYNTHESIS AND CHARACTERIZATION OF POLYAROMATIC ETHER SULFOXIDE
Author(s): LIU Hong, LIU Xiaoling, CHENG Caixia, SONG Caisheng
Pages: 43-
46
Year: 2002
Issue:
1
Journal: ACTA POLYMERICA SINICA
Keyword: 聚芳醚亚砜; 二苯醚; 二氯亚砜; 低温溶液缩聚;
Abstract: 以二苯醚和二氯亚砜为主要单体,在无水AlCl3/CH2ClCH2Cl/NMP催化剂溶剂体系中进行低温溶液共聚,合成聚芳醚亚砜(PPOS),研究了AlCl3/NMP用量及单体摩尔比对聚合反应的影响.用IR、DSC、TG和X-ray等对PPOS进行结构和性能的分析与表征,研究结果表明:PPOS属无定形聚合物,具有较高的玻璃化转变温度(Tg),软化温度在260℃左右,在加热过程中出现二个热分解温度.
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