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Poly(arylene ether sulphones) by polyetherification: 2. Polycondensations

โœ Scribed by T.E. Attwood; D.A. Barr; T. King; A.B. Newton; J.B. Rose


Publisher
Elsevier Science
Year
1977
Tongue
English
Weight
573 KB
Volume
18
Category
Article
ISSN
0032-3861

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Highly Fluorinated Poly(arylene ether ke
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## Abstract Summary: A new reaction procedure has been developed for the polycondensation of hexafluorobisphenol A (6Fโ€BPA) with bis(pentafluorophenyl) ketone (BPK) in dimethylacetamide (DMAc). In this reaction, CaH~2~ has been used as a base to facilitate the formation of the phenolate; an alkali