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

1987-10-16

1988-08-30

Welsh, Maurice J.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Organic compound containing

502167, 521129, 524 89, 524720, 528 54, C08G 1820

Patent

active

047677368

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: 3734868 (1973-05-01), Uelzmann et al.
patent: 4040992 (1977-08-01), Bechara et al.
patent: 4115302 (1978-09-01), Mao
patent: 4228248 (1980-10-01), Zimmerman
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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