Process for the preparation of polyether-ester polyols

Details Process for the preparation of polyether-ester polyols Process for the preparation of polyether-ester polyols

1977-12-05

1979-03-13

Thomas, Jr., James O.

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

Organic compounds

Carboxylic acid esters

560 83, 560 91, 560 93, 560119, 560120, 560127, C07C 6960

Patent

active

041443950

ABSTRACT:
Polyether-ester polyols are prepared in the presence of from 0.005 percent to 0.01 percent by weight (50-100 ppm) of a trialkylamine. The resulting polyols have improved color and are obtained in markedly reduced reaction times.

REFERENCES:
patent: 3459733 (1969-08-01), Byrd, Jr. et al.
patent: 3585185 (1971-06-01), Levis, Jr. et al.
patent: 3676398 (1972-07-01), D'Alelio
patent: 3770602 (1972-02-01), D'Alelio

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