VOLUME-PHASE TRANSITIONS OF CATIONIC POLYELECTROLYTE GELS

被引：20

作者：

KUDO, S ^{[1
]}

KOSAKA, N ^{[1
]}

KONNO, M ^{[1
]}

SAITO, S ^{[1
]}

机构：

[1] TOHOKU UNIV,DEPT MOLEC CHEM & ENGN,AOBA KU,SENDAI,MIYAGI 980,JAPAN

来源：

POLYMER | 1992年 / 33卷 / 23期

关键词：

VOLUME-PHASE TRANSITION; POLYELECTROLYTE GEL; N-N-BUTYL-N; N-DIMETHYL-4-VINYLBENZYLAMMONIUM BROMIDE GEL; IONIC ASSOCIATION; ELECTROLYTE AQUEOUS SOLUTION;

D O I：

10.1016/0032-3861(92)90055-2

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 swelling equilibrium behaviour of N-n-butyl-N,N-dimethyl-4-vinyl benzylammonium bromide (BBABr) gel was measured in aqueous solutions of various inorganic electrolytes: HBr, LiBr, NaBr, KBr, NH4Br, NaCl, NaI and NaClO4. The equilibrium swelling volume of BBABr gel does not depend strongly on the cationic species but on the anionic species. In aqueous solutions containing I- and ClO4- ions, the volume-phase transitions of the BBABr gel were induced by a change in the concentration of the electrolytes. It was verified experimentally with Br-79 n.m.r. and an ion electrode that the volume-phase transition is controlled by the change in the association state of the charged groups in the gel.

引用

页码：5040 / 5043

页数：4

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