Preparation and properties of microporous cellulose membranes from novel cellulose/aqueous sodium hydroxide solutions

Microporous cellulose membranes were prepared from novel cellulose/aqueous sodium hydroxide solutions by coagulation with aqueous H2SO4 solutions. The free and glass‐contacting surface morphology of the microporous cellulose membranes showed an asymmetric porous structure. The morphological structur...

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Bibliographic Details
Published in:Journal of applied polymer science 2006-10, Vol.102 (1), p.920-926
Main Authors: Cao, Yu, Tan, Huimin
Format: Article
Language:English
Subjects:
Applied sciences
biopolymers
Exact sciences and technology
Exchange resins and membranes
Forms of application and semi-finished materials
FTIR
membranes
morphology
Polymer industry, paints, wood
structure-property relations
Technology of polymers
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Summary:Microporous cellulose membranes were prepared from novel cellulose/aqueous sodium hydroxide solutions by coagulation with aqueous H2SO4 solutions. The free and glass‐contacting surface morphology of the microporous cellulose membranes showed an asymmetric porous structure. The morphological structure, tensile properties, and permeability of the microporous cellulose membranes could be controlled by changes in the coagulation conditions such as the coagulant concentration and the coagulation time. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 102: 920–926, 2006
ISSN:0021-8995
1097-4628
DOI:10.1002/app.23937