Thermotropic, aromatic polyester and its use as molding...

Details Thermotropic, aromatic polyester and its use as molding... Thermotropic, aromatic polyester and its use as molding...

C - Chemistry, Metallurgy

08

G

402/190, 400/760

C08G 63/60 (2006.01) C08G 63/68 (2006.01) C08G 63/688 (2006.01) C08L 67/00 (2006.01)

Patent

CA 1297229

23443-372 O.Z. 4285 ABSTRACT OF THE DISCLOSURE Disclosed is a polyester comprising the following monomer units: (A) 10-80 mole% HO-AR-COOH, (B) 0-40 mole% HOOC-Ar'-COOH, (C) 10-45 mole% HO-Ar"-OH, and (D) 5-45 mole% Image wherein Ar, Ar', and Ar", independently, are 1,3- or 1,4-phenylene: 1,4-, 1,5-, 2,6- or 2,7-naphthylene or Image wherein X is -O-, -S-, -SO2- or -CR2-, R is H or C1-4 alkyl, and n is 0 or 1, wherein all monomer unit quantities relate to the sum of components A-D and their sum is 100 mole%, and wherein the molar ratio (B + D):C ranges from about 0.9 : 1 to 1.1 : 1. The polyester is readily processableand is useful in a molding composition. Articles molded from the polyester are highly resistant to chemicals. 40/kim

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