Modified polyisocyanate compositions and molded flexible polyure

Details Modified polyisocyanate compositions and molded flexible polyure Modified polyisocyanate compositions and molded flexible polyure

1986-01-06

1989-02-07

Hoke, Veronica P.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

528 67, C08G 1879

Patent

active

048032298

ABSTRACT:
Molded flexible polyurethane foam is prepared by reacting a polyol with a urea-biuret modified polyisocyanate mixture which is composed of toluene diisocyanate and polymeric diphenylmethane diisocyanate.

REFERENCES:
patent: 3124605 (1964-03-01), Wagner
patent: 3492251 (1970-01-01), Gemeinhardt
patent: 3526652 (1970-09-01), Powers
patent: 3793268 (1974-02-01), Dietrich et al.
patent: 4051165 (1977-09-01), Wagner et al.
patent: 4221877 (1980-09-01), Cuscurida et al.

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