System for the production of toluene diisocyanate based flexible

Details System for the production of toluene diisocyanate based flexible System for the production of toluene diisocyanate based flexible

1994-05-05

1995-04-11

Kight, III, John

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521118, 521128, 521129, 521155, 521159, 521164, 521167, 521170, 25218224, 25218226, 25218227, 25218228, 25218234, C08G 1806

Patent

active

054058864

ABSTRACT:
The present invention is directed to an isocyanate reactive mixture and the flexible polyurethane foam produced therefrom. The reactive mixture contains specific filled polyols, water, a catalyst for the reaction between an isocyanate group and a hydroxyl group, and a specific N-hydroxyalkyl quaternary ammonium salt. The isocyanate used is toluene diisocyanate.

REFERENCES:
patent: 3067148 (1962-12-01), Sandridge et al.
patent: 3948825 (1976-04-01), Pray
patent: 4040992 (1977-08-01), Bechara et al.
patent: 4141862 (1979-02-01), Raden et al.
patent: 4569952 (1986-02-01), Radovich et al.
patent: 4582861 (1986-04-01), Galla et al.
patent: 4707501 (1987-11-01), Petrella et al.
patent: 4767736 (1988-08-01), Petrella
patent: 4845133 (1989-07-01), Priester, Jr. et al.
patent: 4902723 (1990-02-01), Baker et al.
Bechara et al "Unusual Catalysts for Flexible Urethane Foams" Dec. 1978 pp. 24-36.

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