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Chemical modification of poly(2,6-dimethyl-1,4-phenylene oxide) via phase transfer catalysis

✍ Scribed by Simona Percec

Publisher
John Wiley and Sons
Year
1988
Tongue
English
Weight
574 KB
Volume
36
Category
Article
ISSN
0021-8995

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πŸ“œ SIMILAR VOLUMES

Chemical modification of poly(2,6-dimeth
Chemical modification of poly(2,6-dimethyl-1,4-phenylene oxide) by friedel–crafts reactions
✍ Simona Percec πŸ“‚ Article πŸ“… 1987 πŸ› John Wiley and Sons 🌐 English βš– 544 KB

The chemical modification of poly(2,6-dimethyl-l,4-phenylene oxide) (PPO) by electrophilic sulfonylation and acylation of the aromatic structural units has been investigated. A maximum monosubstitution degree of 79.4 has been reached. Higher substitution levels were difficult to achieve because of b

The preparation of microporous membranes
The preparation of microporous membranes from blends of poly(2,6-dimethyl-1,4-phenylene oxide) and sulfonated poly(2,6-dimethyl-1,4-phenylene oxide)
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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

High-resolution thermogravimetry of poly
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✍ Xin-Gui Li πŸ“‚ Article πŸ“… 1999 πŸ› John Wiley and Sons 🌐 English βš– 192 KB πŸ‘ 2 views

The thermal degradation and kinetics of poly(2,6-dimethylphenylene oxide) (PPO) were studied by high-resolution thermogravimetry. The thermogravimetry measurements were conducted at an initial heating rate of 50Β°C min Οͺ1 , resolution 4.0, and sensitivity 1.0 in both nitrogen and air from room temper