Preparation of high resiliency polyurethane foams

Details Preparation of high resiliency polyurethane foams Preparation of high resiliency polyurethane foams

1978-01-03

1980-07-01

Cockeram, H. S.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

252182, 521137, 521163, 521176, 521904, 528 64, 528 75, C08G 1814, C08G 1832, C08G 1863

Patent

active

042107288

ABSTRACT:
A reactive polyol composition useful in the preparation of high resilient polyurethane foams comprising a polyol and from 0.5% by weight to 5.0% by weight of a reactive diamine represented by the following formula: ##STR1## wherein R is H or alkyl of 1 to 4 carbon atoms and A and A' are NH.sub.2 or H with the provisos that in each ring either A or A' is NH.sub.2, not both and when A or A' is NH.sub.2 then the R attached to that carbon atom is H.

REFERENCES:
patent: 3194793 (1965-07-01), Kogon
patent: 3428610 (1969-02-01), Klebert
patent: 3586649 (1971-06-01), Cobbledick
patent: 3591560 (1971-07-01), Wagner et al.
patent: 3849360 (1974-11-01), Farah et al.
patent: 4048102 (1977-09-01), Quock et al.
patent: 4136241 (1979-01-01), Ammann

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