Catalyst blend containing 1,2-dimethylimidazole

Details Catalyst blend containing 1,2-dimethylimidazole Catalyst blend containing 1,2-dimethylimidazole

1983-05-13

1984-02-14

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521129, 528 53, 528 54, 502167, C08G 1814

Patent

active

044317530

ABSTRACT:
Disclosed is a synergistic catalytic combination of 1,2-dimethylimidazole with tris(3-dimethylaminopropyl)amine and a salt of 1,8-diazabicyclo(5,4,0)undecene-7. The combination catalyst is useful in polyurethane systems such as elastomers, microcellular, rigid, semirigid, and flexible foams, such as integral skin semiflexible foams used in the manufacture of steering wheels.

REFERENCES:
patent: 3010963 (1961-11-01), Erner
patent: 3152094 (1964-10-01), Erner et al.
patent: 3294753 (1966-12-01), Beitchman et al.
patent: 3448065 (1969-06-01), Green
patent: 3728291 (1973-04-01), Carroll et al.

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