PERMEATION BEHAVIOR OF DEXTRANS BY CHARGED ULTRAFILTRATION MEMBRANES OF POLYACRYLONITRILE PHOTOGRAFTED WITH IONIC MONOMERS

被引：19

作者：

KOBAYASHI, T ^{[1
]}

KUMAGAI, K ^{[1
]}

NOSAKA, Y ^{[1
]}

MIYAMA, H ^{[1
]}

FUJII, N ^{[1
]}

TANZAWA, H ^{[1
]}

机构：

[1] TORAY INDUSTRIES LTD,BASIC RES LABS,KAMAKURA 248,JAPAN

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 1991年 / 43卷 / 06期

关键词：

D O I：

10.1002/app.1991.070430602

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Charged copolymers, polyacrylonitrile, having grafts of quaternized poly(N,N-dimethyl-aminoethylmethacrylate) and poly(sodium p-styrenesulfonate), were synthesized by photograft-polymerization. The charged ultrafiltration membranes, which had heterogeneous porous structures, were prepared by casting graft polymer solution containing poly(vinyl alcohol) into water. The permeation of nonionic dextran and anionic dextransulfate through the charged membranes was studied by ultrafiltration in aqueous solution. The molecular weight cutoff characteristics of the charged membranes were obtained using dextrans of various molecular sizes. The permeation behavior was discussed in terms of the charge effect of the graft polymers and electrostatic interaction between the polymers and the solute molecules.

引用

页码：1037 / 1043

页数：7

共 19 条

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