Synthesis and Characterization of Novel Aromatic Poly(ether sulfone ketones)
โ Scribed by Han, Yang-Kyoo; Chi, Sung Dae; Kim, Young Ha; Park, Byung Kyu; Jin, Jung-Il
- Book ID
- 126206717
- Publisher
- American Chemical Society
- Year
- 1995
- Tongue
- English
- Weight
- 684 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0024-9297
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๐ SIMILAR VOLUMES
Poly(ether sulfone) and poly(ether sulfone ketone) copolymers (I-V) were synthesized by the nucleophilic substitution reaction of 4,4ะ-dihydroxy diphenyl sulfone (DHDPS, A) with various mole proportions 4,4ะ-difluoro benzophenone (DFBP, B) and 4,4ะ-difluoro diphenyl sulfone (DFDPS, C) using sulfolan
## 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
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