The unperturbed dimensions of poly(2,6-dimethyl-1,4-phenylene oxide) and poly(2,6-diphenyl-1,4-phenylene oxide)
โ Scribed by P.J. Akers; Geoffrey Allen; M.J. Bethell
- Publisher
- Elsevier Science
- Year
- 1968
- Tongue
- English
- Weight
- 461 KB
- Volume
- 9
- Category
- Article
- ISSN
- 0032-3861
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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
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 50ยฐC min ฯช1 , resolution 4.0, and sensitivity 1.0 in both nitrogen and air from room temper
In this article, the chemical modification of poly(2,6-dimethyl-l,4-phenylene oxide) (PPO) was carried out by incorporating a n amine group into the PPO backbone. A maximum monosubstitution degree of 65 mol % was reached. The effects of reaction conditions on the functional group content in PPO is d