Phase separation processes in polymer solutions in relation to membrane formation

P. van de Witte, P.J. Dijkstra, J.W.A. van den Berg, J. Feijen

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This review covers new experimental and theoretical physical research related to the formation of polymeric membranes by phase separation of a polymer solution, and to the morphology of these membranes. Two main phase separation processes for polymeric membrane formation are discussed: thermally induced phase separation and immersion precipitation. Special attention is paid to phase transitions like liquid-liquid demixing, crystallization, gelation, and vitrification, and their relation to membrane morphology. In addition, the mass transfer processes involved in immersion precipitation, and their influence on membrane morphology are discussed.
Original languageEnglish
Pages (from-to)1-31
Number of pages31
JournalJournal of membrane science
Issue number117
Publication statusPublished - 1996


  • METIS-105392
  • IR-9897


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