Method of making polyurethane utilizing nickel acetylacetonate

Details Method of making polyurethane utilizing nickel acetylacetonate Method of making polyurethane utilizing nickel acetylacetonate

1977-10-17

1979-04-24

Cockeram, H. S.

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

521124, 521170, 528 75, C08G 1822, C08G 1814, C08G 1862

Patent

active

041513452

ABSTRACT:
A process for preparing polyurethanes comprising reacting a polyol with an organic polyisocyanate in the presence of a catalytic amount of nickel acetylacetonate, wherein the polyol and nickel acetylacetonates are held at elevated temperatures prior to being mixed with the polyisocyanate.

REFERENCES:
patent: 2897181 (1959-07-01), Windenmuth
patent: 2933462 (1960-04-01), Fischer
patent: 3231597 (1966-01-01), Fischer
patent: 3291660 (1966-12-01), Oberth et al.
patent: 3892715 (1975-07-01), Bonin et al.

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