Transport properties of the mesomorphic form of poly(ethylene terephthalate)

被引:19
作者
Bove, L [1 ]
DAniello, C [1 ]
Gorrasi, G [1 ]
Guadagno, L [1 ]
Vittoria, V [1 ]
机构
[1] UNIV SALERNO, DIPARTIMENTO INGN CHIM & ALIMENTARE, I-84084 FISCIANO, SA, ITALY
关键词
poly(ethylene terephthalate); transport properties; mesomorphic form;
D O I
10.1016/0032-3861(96)00421-1
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The mesomorphic form of poly(ethylene terephthalate), present in samples drawn at 60 degrees C at a draw ratio of 4, was studied by analysing the transport properties of dichloromethane vapours. The reduced sorption with respect to the amorphous sample indicates that the mesophase is impermeable to the vapours at low activity, and this allows the determination of the fraction of mesophase in the drawn samples. Copyright (C) 1996 Elsevier Science Ltd.
引用
收藏
页码:5309 / 5311
页数:3
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