Phase behavior and morphological studies
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Jong Hak Kim; Byoung Ryul Min; Hyun Chae Park; Jongok Won; Yong Soo Kang
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Article
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2001
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John Wiley and Sons
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English
โ 274 KB
๐ 1 views
## Abstract The solubility gaps for poly(vinyl pyrrolidone) (PVP) in four polyimide solutions (NMP, DMF, GBL, DMSO) were determined by cloud point measurement and correlated with ฯ~PI/Solvent~ and ฮฮด~PVP/Solvent~. Membranes prepared with NMP and DMF systems showed a tendency of suppressing fingerli