Poly(ether sulfone) and poly(ether sulfone ketone) copolymers (I-V) were synthesized by the nucleophilic substitution reaction of 4,4Ј-dihydroxy diphenyl sulfone (DHDPS, A) with various mole proportions 4,4Ј-difluoro benzophenone (DFBP, B) and 4,4Ј-difluoro diphenyl sulfone (DFDPS, C) using sulfolan
Synthesis and characterization of sulfonated poly(acrylene ether sulfones)
✍ Scribed by Johnson, B. C. ;Yilgör, İ. ;Tran, C. ;Iqbal, M. ;Wightman, J. P. ;Lloyd, D. R. ;McGrath, J. E.
- Book ID
- 105335149
- Publisher
- John Wiley and Sons
- Year
- 1984
- Weight
- 814 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0360-6376
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Poly(ether sulfone) copolymers I-V were synthesized by the nucleophilic substitution reaction of 4,4-dichlorodiphenyl sulfone with varying mole proportions of 4,4-isopropylidene diphenol (bisphenol A) and 4,4-dihydroxydiphenyl sulfone (bisphenol S) using sulfolane as the solvent in the presence of a
## Abstract A series of sulfonated poly(ether sulfone ether ketone ketone) (SPESEKK) with different degree of sulfonation (DS) are prepared by the postsulfonation of PESEKK using chlorosulfonic acid as sulfonating agent and concentrated sulfuric acid as solvent. The chemical structures of the polym