Polyol polyether preparation process

Details Polyol polyether preparation process Polyol polyether preparation process

1981-03-27

1983-05-24

Hazel, Blondel

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

Organic compounds

Carbohydrates or derivatives

C07C 4100

Patent

active

043851738

ABSTRACT:
A process for the preparation of polyethers by reaction between a polyol reactant having a melting point above 80.degree. C. and alkylene oxide, during which a substantially continuous flow of alkylene oxide is passed through a bed of the polyol. The polyether products find particular application, for instance, in the manufacture of polyurethanes.

REFERENCES:
patent: 2945024 (1960-07-01), De Groote et al.
patent: 3222357 (1965-12-01), Wismer et al.
patent: 3370056 (1968-02-01), Yotsuguka et al.
patent: 3449318 (1969-06-01), Roth et al.
patent: 3865806 (1975-02-01), Knodel
patent: 3941769 (1976-03-01), Maassen et al.
Derwent Abstract No. 17346v/10, German Patent No. 2,241,242, 1974.

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