Process for making flexible foams

Details Process for making flexible foams Process for making flexible foams

1993-04-12

1993-11-30

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521155, C08J 900

Patent

active

052666042

ABSTRACT:
Process for preparing a flexible polyurethane foam by reacting an isocyanate-containing prepolymer and an isocyanate-reactive composition comprising water in the presence of a dialkyl imidazole catalyst.

REFERENCES:
patent: 3149083 (1964-09-01), Gmitter
patent: 4234693 (1980-11-01), Wooler
patent: 4478960 (1984-10-01), Buethe et al.
patent: 4786704 (1988-11-01), Hughes et al.
patent: 5008297 (1991-04-01), Maruyama et al.
patent: 5070114 (1991-12-01), Watts et al.
patent: 5149766 (1992-09-01), Bruchmann

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