Dimethyl 2,5-dibromoterephthalate esterification

Details Dimethyl 2,5-dibromoterephthalate esterification Dimethyl 2,5-dibromoterephthalate esterification

1975-02-27

1977-01-04

Tillman, Murray

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 75R, C08G 6334, C08G 6368

Patent

active

040011887

ABSTRACT:
Preparation of polyesters, particularly homopolymeric trimethylene 2,5-dibromoterephthalate, by reacting alpha, omega alkylene glycol with dimethyl 2,5-dibromoterephthalate in presence of catalytic amounts of calcium alkanoate and titanate catalyst.

REFERENCES:
patent: 2822348 (1958-02-01), Haslam
patent: 3047515 (1962-07-01), Piirma
patent: 3265762 (1966-08-01), Quisenberry
patent: 3766146 (1973-10-01), Witsiepe
Cachia, Chemical Abstracts, vol. 54:10,944i (1960).
Bjorksten, Polyesters and Their Applications, Reinhold, New York, 1956, pp. 201-202.

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