Synthesis and sulfonation of poly(phenylene ether ether sulfone)s containing methylated hydroquinone residues
โ Scribed by Awni Al-Omran; John B. Rose
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 812 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0032-3861
No coin nor oath required. For personal study only.
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## Abstract The effects of heat treatment on the properties of membranes prepared from blends of poly(ether sulfone)/sulfonated poly(phenylene sulfide) (SPPS) and phenolphthalein poly(ether ether ketone)/SPPS were studied in detail. The membranes' fundamental properties, including water content, tr
Republic of China ## SYNOPSIS Poly(ether ether ketone ketone)-poly(ether sulfone) (PEEKK/PES) block copolymers were prepared from the corresponding oligomers via a nucleophilic aromatic substitution reaction, and the A?" of the PEEKK segment was fixed a t 12,000, while the M,,'s of the PES segmen