Chain-extended polyol compositions and method

Details Chain-extended polyol compositions and method Chain-extended polyol compositions and method

1980-09-24

1981-10-27

Welsh, Maurice J.

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

Synthetic resins

From heterocyclic reactant containing as ring atoms oxygen,...

568620, C08G 5900

Patent

active

042974828

ABSTRACT:
The invention disclosed is for novel polyols and a method of making said polyols which comprises interconnecting polyols with epihalohydrin in the presence of substantially an equimolar amount of base based on the epihalohydrin thereby forming an extended polyol with terminal hydroxyl groups and at least one hydroxyl group attached directly to the backbone chain internally. These resultant polyols can be used to make polyurethane foams having high resiliency.

REFERENCES:
patent: 3222300 (1965-12-01), Loew
patent: 3240721 (1966-03-01), Fordyce
patent: 3322698 (1967-05-01), Wiles et al.
patent: 3374204 (1968-03-01), Masters et al.
patent: 3415902 (1968-12-01), Hickner et al.
patent: 3576906 (1971-04-01), Hickner et al.
patent: 3746692 (1973-07-01), Olstowski et al.
patent: 3784601 (1974-01-01), Jellinek et al.
patent: 3828005 (1974-08-01), Pittman

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