STRUCTURE PERMEABILITY RELATIONSHIPS OF POLYAMIDE-IMIDES

被引：0

作者：

CAO, XS ^{[1
]}

LU, FC ^{[1
]}

机构：

[1] ACAD SINICA,INST CHEM,BEIJING 100080,PEOPLES R CHINA

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 1994年 / 54卷 / 12期

关键词：

D O I：

暂无

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Structure/permeability correlations for a family of aromatic polyamide-imides are presented. The variations in chemical structure lead to significant changes in permeability. The crystallization of PAP results in a very low permeability. The introduction of bulky group tends to increase permeability without a corresponding decrease in permselectivity. This result contributes to the inhibition of chain packing and segmental mobility. Wide-angle X-ray diffraction measurements of average segmental spacing of the materials and fractional free volume calculations characterize the packing of the different polymers. (C) 1994 John Wiley and Sons, Inc.

引用

页码：1965 / 1970

页数：6

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