Storable flowable polyurethane adhesive composition

Details Storable flowable polyurethane adhesive composition Storable flowable polyurethane adhesive composition

1979-08-13

1981-01-27

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...

428480, 4284237, 156331, 528 57, 528 64, 528 67, 528 76, C08G 1816, C08G 1832

Patent

active

042476763

ABSTRACT:
There are disclosed storable, flowable, liquid polyurethane compositions comprising an equivalent of a prepolymer formed by reacting a liquid material having 2 to 3 hydroxyls with sufficient organic polyisocyanate to give an excess of 3 to 15 percent free NCS in said prepolymer and from 0.85 to 1.15 equivalents of a complex of alkali metal salt with 4,4'-diphenylmethane diamine, said polyurethane compositions being useful as gel coats and adhesives.

REFERENCES:
patent: 3703426 (1972-11-01), Larson et al.
patent: 3876604 (1975-04-01), Caruso et al.
patent: 3888831 (1975-06-01), Kogon
patent: 3891606 (1975-06-01), Kogon
patent: 3945875 (1976-03-01), Jackson
patent: 4029730 (1977-06-01), Schroeder
patent: 4075150 (1978-02-01), Hoeschele
patent: 4125522 (1978-11-01), Becker

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