Polyurethane foam catalysts that eliminate polyurea-containing p

Details Polyurethane foam catalysts that eliminate polyurea-containing p Polyurethane foam catalysts that eliminate polyurea-containing p

1987-02-13

1987-11-17

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521129, 521159, 528 53, 528 54, 502167, C08J 900

Patent

active

047075015

ABSTRACT:
In the preparation of a high resiliency polyurethane foam by reacting a polyisocyanate with a polyurea dispersion-containing polyol based masterbatch composition also containing a tertiary amine catalyst for the polyurethane reaction, the improvement for eliminating cure draft of such stored polyol compositions which comprises employing a catalyst composition consisting essentially of

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patent: 4404121 (1983-09-01), Klein et al.
patent: 4582861 (1986-04-01), Galla et al.
patent: 4617286 (1986-10-01), Arai et al.

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