Liquid crystalline copolyesters of 4-hydroxybenzoic acid and...

Details Liquid crystalline copolyesters of 4-hydroxybenzoic acid and... Liquid crystalline copolyesters of 4-hydroxybenzoic acid and...

C - Chemistry, Metallurgy

08

G

402/186, 260/475

C08G 63/06 (2006.01) C09K 19/38 (2006.01)

Patent

CA 2017714

ABSTRACT Disclosed is a copolymer capable of forming an optically anisotropic melt comprising recurring structural units of Formulas I, II, and optionally III Image I, Image II, Image III, wherein each R is independently a chemically inert substituent; and each R1 is independently benzoil or phenoxy. The present invention also relates to a 36,711-F process for preparing the copolymer. The copolymer of the present invention usually have a melting point below 350°C and can be readily melt extruded into fibers, films or the like. 36,711-F

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