Polyurethane preparation using organo-zinc catalyst and time-lap

Details Polyurethane preparation using organo-zinc catalyst and time-lap Polyurethane preparation using organo-zinc catalyst and time-lap

1982-08-05

1984-01-17

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...

528 52, 528 55, 528 75, 528905, 521113, 521128, C08G 1816, C08G 1822

Patent

active

044265107

ABSTRACT:
Coating or adhesive composition having extended pot life and short cure time comprising an organic polyol, an organic polyisocyanate, an organo-zinc cure rate catalyst, and a compound selected from (a) beta-dicarbonyl compounds, (b) alpha-hydroxy ketones, (c) fused aromatic beta-hydroxy ketones, and (d) beta-hydroxy nitrogen-heterocyclic fused aromatics.
Also disclosed are methods of preparing such coating or adhesive compositions, cured coatings and adhesives, and articles containing said coating or adhesive.

REFERENCES:
patent: 3314834 (1967-04-01), Walden
patent: 3468860 (1969-09-01), Hsieh
patent: 3635906 (1972-01-01), Jayawant
patent: 3694389 (1972-09-01), Levy
patent: 4115634 (1978-09-01), Bechara et al.
patent: 4184031 (1980-01-01), Graham et al.
patent: 4322327 (1982-03-01), Yoshimura et al.
patent: 4373057 (1983-02-01), Hammond

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