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

1985-10-29

Shippen, Michael L.

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

Organic compounds

Carboxylic acid esters

2604656, 502170, 521137, 525 41, 525 43, 525450, C07C 6708, C07C 6726

Patent

active

045501947

ABSTRACT:
Polyether-ester polyols are prepared by reacting a polyether polyol, maleic 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.

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patent: 4014846 (1977-03-01), Ramlow et al.
patent: 4093573 (1978-06-01), Ramlow et al.
patent: 4144395 (1979-03-01), Murphy et al.
patent: 4268686 (1981-05-01), Schafer et al.

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