CONFORMATIONAL CHARACTERIZATION OF A MALEIC-ACID COPOLYMER WITH AN INFLEXIBLE SIDE-CHAIN

被引：11

作者：

OHNO, N ^{[1
]}

SUGAI, S ^{[1
]}

机构：

[1] HOKKAIDO UNIV,FAC SCI,DEPT POLYMER SCI,SAPPORO,HOKKAIDO 060,JAPAN

来源：

JOURNAL OF MACROMOLECULAR SCIENCE-CHEMISTRY | 1990年 / A27卷 / 07期

关键词：

Alternating Copolymers - Conformational Transitions - Indene - Maleic Acid;

D O I：

10.1080/10601329008544810

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Viscometric, pH, optical, and calorimetric titration studies of an alternating copolymer of maleic acid and indene in aqueous NaCl of 0.01 to 0.27 M at 15 to 35°C showed the conformational transition of a compact to an expanded coil upon ionization of the primary carboxyl groups. The thermodynamic parameters of the transition were calculated. The results indicate that the bulky and inflexible side chain in indene sterically interferes with the formation of the compact form of the copolymer, but stabilizes the low entropic hydrophobic region. © 1990, Taylor & Francis Group, LLC. All rights reserved.

引用

页码：861 / 873

页数：13

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