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Type: Artigo de periódico
Title: Hybrid membranes based on SiO2/polyether-b-polyamide: Morphology and applications
Author: Sforca, ML
Yoshida, IVP
Borges, CP
Nunes, SP
Abstract: Hybrid materials were prepared incorporating silica networks by the sol-gel process into the poly(amide-b-polyether) block copolymer PEBAX((R)). PEBAX((R))/ silica hybrids were characterized by transmission electron microscopy, atomic force microscopy, differential scanning calorimetry, and X-ray diffraction. The pervaporation of phenol from dilute aqueous solutions through hybrid membranes was investigated. Films prepared with lower silica contents showed better dispersed inorganic networks and were more selective in the pervaporation of phenol/water solutions. Films prepared with higher silica contents had a clear phase-separated morphology with lower performance in pervaporation. (C) 2001 John Wiley & Sons, Inc.
Subject: hybrid organic-inorganic
membrane-separation process
polyether-b-polyamide block copolymer
atomic force microscopy
Country: EUA
Editor: John Wiley & Sons Inc
Citation: Journal Of Applied Polymer Science. John Wiley & Sons Inc, v. 82, n. 1, n. 178, n. 185, 2001.
Rights: fechado
Identifier DOI: 10.1002/app.1837
Date Issue: 2001
Appears in Collections:Unicamp - Artigos e Outros Documentos

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