Preparation of polyarylene ketones

Details Preparation of polyarylene ketones Preparation of polyarylene ketones

C - Chemistry, Metallurgy

08

G

402/33

C08G 65/40 (2006.01) C08G 61/12 (2006.01)

Patent

CA 1187240

Abstract Poly(arylene ketones) are prepared by the reaction of difunctional aromatic compounds with derivatives of thio- or dithiocarbonic acids in the presence of a catalyst system. In a preferred embodiment, diphenyl ether reacts with S-methyl chlorothioformate in HF/BF3 to produce poly(p-phenyleneoxy-p-phenylene carbonyl), that is a polymer having the repeating unit Image

406818

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