Polyesters from trans-4,4'-stilbenedicarboxylic acid and...

C - Chemistry – Metallurgy – 08 – G

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C08G 63/181 (2006.01) C08G 63/54 (2006.01)

Patent

CA 1323133

POLYESTERS FROM TRANS-4,4'-STILBENEDICARBOXYLIC ACID AND 1,6-HEXANEDIOL Abstract Disclosed are polyesters containing repeating units from trans-4,4'-stilbenedicarboxylic acid and 1,6-hexanediol, the polyesters having an I.V. of at least 1.20, a tensile strength of at least 20,000 psi (1406.2 kg/cm2) in 1/16-in. (0.159 cm) thick injection-molded bars, and a melt viscosity of 3000 poise or less at 265°C and a shear rate of 107 sec-1.

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