SOLUTION PROPERTIES OF COPOLYAMIDES

被引：4

作者：

ALI, S

机构：

[1] School of Textile Engineering, Georgia Institute of Technology, Atlanta

来源：

EUROPEAN POLYMER JOURNAL | 1979年 / 15卷 / 07期

关键词：

D O I：

10.1016/0014-3057(79)90096-X

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Mark-Houwink-Sakurada relations for random copolymers from para-aminobenzoic acid and 6-aminohexanoic acid were determined in N,N-dimethylacetamide, dichloroacetic acid and trifluoroacetic acid. Unperturbed chain dimensions, solvent-polymer interaction parameters and conformational parameter, δ, were obtained by using the Stockmayer-Fixman equation. The unperturbed dimensions were also calculated by using a semi-empirical relation of Krigbaum; they compare favourably with values calculated through the use of (S-F) equation. The results show that the unperturbed dimensions are dependent on the solvent nature. © 1979.

引用

页码：685 / 687

页数：3

共 15 条

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