Journal
JOURNAL OF APPLIED POLYMER SCIENCE
Volume 89, Issue 10, Pages 2808-2814Publisher
JOHN WILEY & SONS INC
DOI: 10.1002/app.12486
Keywords
pervaporation; membranes; interpenetrating networks (IPN); crosslinking; swelling
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Novel interpenetrating polymer network membranes were made from poly(vinyl alcohol)/poly(vinyl pyrrolidone) blends of different compositions. The two polymer components were independently crosslinked chemically with glutaraldehyde and photochemically with 4,4'-diazostilbene-2,2'-disulfonic acid disodium salt. The membrane performances were studied in pervaporation of tetrahydrofuran (THF)/water and THF/methanol mixtures. It was found that the membranes were excellent in THF dehydration, but much less efficient for the separation of THF/methanol mixtures. The pervaporation results were consistent with the membrane swelling data. (C) 2003 Wiley Periodicals, Inc.
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