Abstract
Hybrid materials were prepared incorporating silica networks by the sol-gel process into the poly(amide-b-polyether) block copolymer PEBAX®. PEBAX®/ 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.
Original language | English (US) |
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Pages (from-to) | 178-185 |
Number of pages | 8 |
Journal | Journal of Applied Polymer Science |
Volume | 82 |
Issue number | 1 |
DOIs | |
State | Published - Jul 19 2001 |
Externally published | Yes |
Keywords
- Atomic force microscopy
- Hybrid organic-inorganic
- Membrane-separation process
- Polyether-b-polyamide block copolymer
- Tetraethoxysilane
ASJC Scopus subject areas
- General Chemistry
- Surfaces, Coatings and Films
- Polymers and Plastics
- Materials Chemistry