Copolyester of cyclohexanenedimethanol and process for producing

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528272, 528277, 528279, 528280, 528281, 528283, 528286, 528307, 5283086, 524115, 524431, 524432, 524440, 524706, 524779, 524783, 524785, 428174, B32B 1300

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053857739

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-cyclo-hexanedimethanol 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: 4348510 (1982-09-01), Keck et al.
patent: 4499262 (1985-02-01), Fagerburg et al.
patent: 4604453 (1986-08-01), Kuze et al.

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