Structure control of asymmetric poly(vin
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Xunyao Fu; Hideto Matsuyama; Hideki Nagai
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Article
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2008
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John Wiley and Sons
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English
β 633 KB
## Abstract Poly(vinyl butyral) (PVB)βTiO~2~ composite hollow fiber membranes were prepared via nonsolvent induced phase separation (NIPS). The membrane had a skin layer on both the outer and inner surface at the initial stage after membrane preparation. However, the outer surface became porous wit