Copolyester of cyclohexanedimethanol and process for producing s

Details Copolyester of cyclohexanedimethanol and process for producing s Copolyester of cyclohexanedimethanol and process for producing s

1993-06-28

1994-08-23

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

428 98, 528272, 528279, 528280, 528281, 528286, C08G 6302, C08G 6378

Patent

active

053409078

ABSTRACT:
Disclosed is a process for producing copolyesters having repeat units from a dicarboxylic acid component comprising at least 90 mol % terephthalic acid and a glycol component comprising about 10-95 mol % 1,4-cyclohexanedimethanol and from about 90-5 mol % ethylene glycol comprising reacting the dicarboxylic acid component and the glycol component at temperatures sufficient to effect esterification or transesterification and polycondensing the reaction product in the presence of a catalyst and inhibitor system consisting essentially of Mn, Zn, Ti, Ge and P, all parts by weight based on the weight of the copolyester.

REFERENCES:
patent: 4010145 (1977-03-01), Russin et al.
patent: 5017680 (1991-05-01), Sublett

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