Ethylene glycol terephthalate production

Details Ethylene glycol terephthalate production Ethylene glycol terephthalate production

1975-08-11

1982-12-21

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

528279, 528280, 560 94, 560 95, 560201, C08G 6304, C08G 6314, C08G 6334

Patent

active

043650546

ABSTRACT:
A glycol and terephthalic and other aromatic acids are esterified using alkali metal titanates as catalysts and the catalysts are used in polymerization of the ester.

REFERENCES:
patent: 3056817 (1962-10-01), Werber et al.
patent: 3056818 (1962-10-01), Werber
patent: 3245959 (1966-04-01), Roeser
patent: 3326965 (1967-06-01), Schulthesis et al.
patent: 3870688 (1975-03-01), Makimura et al.
patent: 3965071 (1976-06-01), McClelland
McClelland, as cited in Chem. Abstracts, 83, 194081j (1975).

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