Storable flowable polyurethane composition

Details Storable flowable polyurethane composition Storable flowable polyurethane composition

C - Chemistry, Metallurgy

08

G

402/142, 400/742

C08G 18/76 (2006.01) C08G 18/10 (2006.01) C08L 67/00 (2006.01) C09J 175/12 (2006.01)

Patent

CA 1177196

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.

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