Polyurethane foam compositions and a process for making same usi

Details Polyurethane foam compositions and a process for making same usi Polyurethane foam compositions and a process for making same usi

1981-07-22

1983-01-18

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521115, 521118, 521159, 521165, 521166, C08G 1814

Patent

active

043692583

ABSTRACT:
Polyurethane foams having improved physical properties are prepared by reacting a polyisocyanate and polyol in the presence of a melamine polyol which contains no polyether linkages and a foaming agent.

REFERENCES:
patent: 3328321 (1967-06-01), Wismer et al.
patent: 3824240 (1974-07-01), Narayan et al.
patent: 3981829 (1976-09-01), Cenker et al.
patent: 4040922 (1977-08-01), Wang et al.
patent: 4139501 (1979-02-01), Rudner et al.

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