Copolyesters of derivatives of hydroquinone

Details Copolyesters of derivatives of hydroquinone Copolyesters of derivatives of hydroquinone

C - Chemistry, Metallurgy

08

G

402/187

C08G 63/66 (2006.01) C08G 63/68 (2006.01) D01F 6/84 (2006.01)

Patent

CA 1051148

TITLE PRODUCTS ABSTRACT OF THE DISCLOSURE This invention relates to a class of novel copolyesters derived from derivatives of hydroquinone and a mixture of ethylenedioxy-4,4'-dibenzoic acid with terephthalic, bibenzoic, hexahydroterephthalic acids ox 2,6-naphthalenedicarboxylic acid and to the fibers and other shaped articles prepared therefrom. Also comprehended by this invention are the novel, optically anisotropic copolyester melts from which these shaped articles can be prepared.

238918

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