Miscibility of polysulfone/poly(1-vinylpyrrolidone-co-styrene) blends and their application to the ultrafiltration membrane

被引：0

作者：

Kim, JH ^{[1
]}

Yoo, JE ^{[1
]}

Kim, CK ^{[1
]}

机构：

[1] Chung Ang Univ, Dept Chem Engn, Seoul 156756, South Korea

来源：

MACROMOLECULAR RESEARCH | 2002年 / 10卷 / 04期

关键词：

polysulfone; poly(1-vinylpyrrolidone-co-styrene) copolymer; blend; miscibility; ultrafiltration; membrane performance;

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：

Miscibility of polysulfone (PSf) with various hydrophilic copolymers was explored. Among these blends, PSf gives homogeneous mixtures with poly(1-vinylpyrrolidone-co-styrene) copolymers [P(VP-S)] when these copolymers contained VP from 68 to 88 wt%. Microporous membranes for the ultrafiltration process were prepared from PSf blends with P(VP-S) copolymers. The membranes prepared from the PSf/P(VP-S) blends exhibited higher water flux than the membranes prepared from PSI irrespective of the VP content. The solute rejection examined with the membranes fabricated from the miscible blends was similar to that of PSf membrane. However, the solute rejection examined with the membranes fabricated from the immiscible blends was lower than that of PSf membranes.

引用

页码：209 / 214

页数：6

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