超临界CO_2作用下BAPC的诱导结晶和熔融行为Induced Crystallization and Melting Behavior of BAPC Treated by Supercritical CO_2
丁晓娟,丁一刚,周春平,胡雄,谭涛
摘要(Abstract)：
采用DSC,WAXD研究了在超临界CO2作用下,温度、压力和共溶剂对双酚A型聚碳酸酯(BAPC)的结晶和熔融行为的影响。结果表明,超临界CO2显著降低BAPC的结晶温度;少量共溶剂的加入使BAPC的结晶更加完善,BAPC晶体是单斜晶子;超临界CO2诱导结晶并未引起预聚体官能团的改变。
关键词(KeyWords)： 超临界二氧化碳;诱导结晶;聚碳酸酯;共溶剂
基金项目(Foundation): 湖北省教育厅重点项目资助(项目编号2003B002)
作者(Author): 丁晓娟,丁一刚,周春平,胡雄,谭涛
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