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

1982-09-29

1985-08-13

Trousof, Natalie

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

Organic compounds

Carboxylic acid esters

560 89, 560 93, C07C 6708

Patent

active

045351783

ABSTRACT:
Polyether-ester polyols are prepared by reacting a polyether polyol, tetrahydrophthalic anhydride and an alkylene oxide in the presence of a catalyst selected from the group consisting of calcium naphthenate and cobalt naphthenate. These polyols may be used in preparing polyurethane products.

REFERENCES:
patent: 3374208 (1968-03-01), Seiner et al.
patent: 3907863 (1975-09-01), Voss

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