Liquid crystalline compositions

Details Liquid crystalline compositions Liquid crystalline compositions

C - Chemistry, Metallurgy

08

G

402/202

C08G 63/60 (2006.01)

Patent

CA 1254341

08-12(1486)A LIQUID CRYSTALLINE COMPOSITIONS ABSTRACT OF THE DISCLOSURE Disclosed are liquid crystal copolyesters prepared from p-hydroxybenzoic acid, isophthalic and/or terephthalic acid, hydroquinone, and a mono-substituted hydroquinone wherein the substituent is selected from the group consisting of alkyls of 1 to 6 carbon atoms, phenyl and phenyl substituted with an alkyl of 1 to 6 carbon atoms, chloro, bromo, cyano, formyl, acetyl, and trifluoromethyl, wherein, when a specific amount of the hydroquinone is replaced by a specific substituted hydro- quinone, the copolyester not only becomes more tractable but also unexpectedly more crystalline when compared to the unsubstituted copolyester.

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