Poly(2,6-dimethyl-1,4-phenylene oxide)/poly(dimethylsiloxane) system - Architecture and selected properties
β Scribed by Huang, Weiyu ;Frisch, Harry L.
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1989
- Weight
- 814 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0025-116X
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Poly(2,6-dimethyl-1,4 -phenylene oxide) (PPO) is a chemically resistant polymer and, therefore, an attractive material for the formation of membranes. However, membranes of unmodified PPO prepared by an immersion precipitation possess very low hydraulic permeabilities at the filtration processes. T
## Abstract Polymeric catenanes have been made from poly(2,6βdimethylβ1,4βphenylene oxide) crosslinked in the presence of several, paucidisperse poly(dimethylsiloxane) cyclics of varying degrees of polymerization. The fraction of cyclic threaded or captured by the polymer network increases as the d