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

1991-12-16

1993-10-12

Kight, III, John

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521129, 521137, 521154, 521159, 521163, 521167, C08J 908, C08G 1808

Patent

active

052526240

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.

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patent: 5173516 (1992-12-01), Vratsanos
Bechara et al. "Unusual Catalysts for Flexible Urethane Foams" 1978 pp. 24-36.

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