Sprayable and pourable polyurea elastomer

Details Sprayable and pourable polyurea elastomer Sprayable and pourable polyurea elastomer

C - Chemistry, Metallurgy

08

G

402/168

C08G 71/02 (2006.01)

Patent

CA 2034164

ABSTRACT OF THE DISCLOSURE A pourable and/or sprayable polyurea elastomer is disclosed. The elastomer includes an isocyanate, an amine terminated polyoxyalkylene polyol, and a chain extender. The isocyanate is preferably a quasi-prepolymer of an isocyanate and a material selected from at least one polyol, a high molecular weight polyoxyalkyleneamine or a combination thereof. The chain extender includes at least N,N'-bis(t-butyl)ethylene- diamine. A method for improving the flowability of a polyurea elastomer, thereby permitting the elastomer to be sprayed or, optionally, poured, is also disclosed.

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