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

1984-03-06

Trousof, Natalie

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

Organic compounds

Carboxylic acid esters

521137, 560 79, 560 93, C07C 6708, C07C 6726

Patent

active

044355920

ABSTRACT:
Polyether-ester polyols are prepared by reacting a crude polyether polyol, tetrahydrophthalic anhydride and an alkylene oxide. These polyols may be used in preparing polyrethane products.

REFERENCES:
patent: 3374208 (1968-03-01), Seiner et al.
patent: 3459733 (1969-08-01), Byrd et al.
patent: 3931092 (1976-01-01), Ramlow et al.
patent: 4014846 (1977-03-01), Ramlow et al.
patent: 4093573 (1978-06-01), Ramlow et al.
patent: 4144395 (1979-03-01), Murphy et al.

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