Preparation and oxygen/nitrogen permeability of PDMS crosslinked membrane and PDMS/tetraethoxysilicone hybrid membrane
โ Scribed by Hua-Xin Rao; Fan-Na Liu; Zi-Yong Zhang
- Publisher
- Elsevier Science
- Year
- 2007
- Tongue
- English
- Weight
- 397 KB
- Volume
- 303
- Category
- Article
- ISSN
- 0376-7388
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We have prepared three polydimethylsiloxane (PDMS) membranes by adjusting the mixing ratio of PDMS precursors -cross-linkable siloxane oligomer with vinyl groups and siloxane oligomer with silane groups -in the presence of Pt catalyst, and examined the separation performance of the resulting membran
Organic-inorganic hybrids based on poly(vinyl alcohol) (PVA)/SiO 2 hybrid membranes containing sulfonic acid groups were prepared using the sol-gel process under acidic conditions. The PVA/sulfosuccinic acid (SSA)/silica hybrid membranes were fabricated from different SSA contents. The proton conduc