Polyurea composition useful for coatings

Details Polyurea composition useful for coatings Polyurea composition useful for coatings

C - Chemistry, Metallurgy

08

G

402/168, 117/183

C08G 18/32 (2006.01) C08G 18/75 (2006.01) C08G 18/76 (2006.01)

Patent

CA 1287943

"POLYUREA COMPOSITION USEFUL FOR COATINGS" ABSTRACT The invention is a polyurea composition resulting from curing polyfunctional isocya-nates having at least three groups with a N,N'-dialkylmethylenedianlline and is broadly useful as coatings on the surface of objects made of metal, wood, glass, or plastic. Such coatings may be made based on either a 1-pack system or 2-pack system. The diamine N,N'-di(2-butyl)4,4'-methylenedianiline is a particularly useful diamine. Biurets are an especially desirable class of polyisocyanates for the polyurea composition of this invention.

533639

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