ポリメチルメタクリレ-トおよびN-ビニルピロリドン-メチルメタクリレ-トコポリマ-による含水膜の透過性 (膜-下-<特集>)
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概要
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Uniform membranes of various water contents were formed to obtain a basis for membrane design. Poly (methyl methacrylate) (I) and <I>N</I>-vinylpyrrolidone-methyl methacrylate copolymer (II) were used as examples of hydrophobic and hydrophilic membrane materials, respectively. Permeabilities were measured for water, NaCl and urea. Membrane of I showed much higher water permeability than II membrane at the same water content. But there was no significant difference between them in NaCl and urea permeabilities. The permeation through I membranes was elucidated using a capillary model, by taking account of tortuosity. The same model can also be applied to II membranes, assuming the existence of bound water on capillary walls.
- 公益社団法人 高分子学会の論文
公益社団法人 高分子学会 | 論文
- 情報の入口--高分子センサ-とトランスデュ-サ- (情報化社会と高分子)
- 高分子科学最近の進歩--メルトレオロジ-(伸長粘度)
- 高分子系の相分離--特にポリマ-ブレンドについて
- 導電性高分子の磁気緩和--NMRT-1〓1の周波数依存性
- 多機能性高分子の合成 (化学修飾による多機能性高分子)