Polyester polyols prepared by reacting a polyhydric alkoxylated

Details Polyester polyols prepared by reacting a polyhydric alkoxylated Polyester polyols prepared by reacting a polyhydric alkoxylated

1986-01-24

1988-07-19

Anderson, Harold D.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

528 73, 528300, 528308, 5283086, C08G 1800, C08G 1828, C08G 6366

Patent

active

047586060

ABSTRACT:
A polyester polyol derived from a polyalkoxylated by-product of pentaerythritol manufacture and polycarboxylic acids, the latter being themselves by-products from the production of adipic acid or terephthalic acid or derivatives thereof, useful for the manufacture of rigid foam.

REFERENCES:
patent: 2945008 (1960-07-01), Caldwell et al.
patent: 3267084 (1966-08-01), Rankin et al.
patent: 3287319 (1966-11-01), Lerer
patent: 3287419 (1966-11-01), Duke et al.
patent: 3412069 (1968-11-01), Rice et al.
patent: 3860611 (1975-01-01), Krespan
patent: 4590226 (1986-05-01), Brown et al.

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