Single step fabrication of polymer/silicate porous composite membranes via water-glass induced phase inversion

被引：2

作者：

Kollia, Eleni ^{[1
]}

Mastrotheodoros, George ^{[1
]}

Kosma, Vasiliki ^{[1
,2
]}

Beltsios, Konstantinos G. ^{[1
]}

机构：

[1] Univ Ioannina, Dept Mat Sci & Engn, Ioannina 45110, Greece

[2] Cornell Univ, Mat Sci & Engn, Ithaca, NY USA

来源：

POLYMER-PLASTICS TECHNOLOGY AND MATERIALS | 2019年 / 58卷 / 09期

关键词：

Phase inversion; water-glass; composite membranes; Nylon; 6-10; polysulfone; silicate particles; FINE-STRUCTURE; MORPHOLOGY; NYLON-66;

D O I：

10.1080/03602559.2018.1520257

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Water-glass, a low-cost silica precursor solution, is used to produce mostly skinned, polymer-silicate composite membranes with a porous bulk. We explore primarily Nylon 6-10/formic acid dopes where the polymer solvent is an acid, and polysulfone/DMF dope as an example of a polymer dope based on a non-acidic water-miscible solvent. Elemental distribution of silicon in cross sections suggests compositional uniformity of the formed membranes with in some cases 20 wt. % of silicate load. Membranes formed can be used either as separation media or as precursors for compact polymers reinforced with silicate particles. [GRAPHICS] .

引用

页码：957 / 966

页数：10

共 39 条

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