Polyether/polyester glycol process

Details Polyether/polyester glycol process Polyether/polyester glycol process

1982-04-15

1984-08-21

Killos, Paul J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

560 26, 560 25, 560 29, 560 32, 560 75, 560126, 560157, 560163, 560188, C07C 6988

Patent

active

044671067

ABSTRACT:
A process for making polyether/polyester glycols and the products formed thereby. Polyether/polyester glycols having a molecular weight of about 200 to 2,200 are formed by heating any of various glycols at about 150.degree. to 250.degree. C. under carbon monoxide pressure in the presence of a halide promoter. Preferably, iodide or bromide and a transition metal-containing catalyst are used to produce polyether/polyester glycols having a molecular weight in the range of 900 to 1,200.

REFERENCES:
patent: 3374277 (1968-03-01), Vandenberg
Chemical Communications, p. 1578, (1968).
Journal of Catalysis, 27, pp. 389-396, (1972).
Chemical Tech., pp. 600-605, (1971).

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