Formation of polyurethane membranes by immersion precipitation. II. Morphology formation

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Polyurethane membranes were prepared by an immersion precipitation process. The effects of dope concentration, coagulation bath composition, and the chemical structure of the polyurethane on the morphology of the membranes were studied. The degree of contraction was measured by quenching freshly formed polyurethane membranes in Liquid nitrogen. A mechanism for the formation of membrane morphology during immersion precipitation is proposed. (C) 1999 John Wiley & Sons, Inc.
Publisher
Wiley-Blackwell
Issue Date
1999-01
Language
English
Article Type
Article
Keywords

PHASE-INVERSION MEMBRANES; ASYMMETRIC MEMBRANES; POLYMER; SEPARATION; ULTRAFILTRATION; MACROVOIDS; MECHANISM

Citation

JOURNAL OF APPLIED POLYMER SCIENCE, v.74, no.9, pp.2124 - 2132

ISSN
0021-8995
URI
http://hdl.handle.net/10203/2316
Appears in Collection
CBE-Journal Papers(저널논문)
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