Aliphatic polyurea elastomers

Details Aliphatic polyurea elastomers Aliphatic polyurea elastomers

C - Chemistry, Metallurgy

08

G

C08G 18/32 (2006.01) C08G 18/10 (2006.01) C08G 18/50 (2006.01) C08G 18/66 (2006.01) C08G 18/76 (2006.01) C09D 175/02 (2006.01)

Patent

CA 2057300

An aliphatic polyurea elastomer is disclosed. The elastomer comprises an (A) and a (B) component. The (A) component includes an aliphatic isocyanate. The (B) component includes an amine terminated polyoxyalkylene polyol and a chain extender including an aliphatic spray polyurea elastomer comprising an (a) component which includes an aliphatic isocyanate and a (b) component which includes (1) an amine terminated polyoxyalkylene polyol and (2) a chain extender including cis-1,4-diaminocyclohexane, isophoronediamine, m- xylenediamine, 4,4'-methylenedicyclohexylamine, methanediamine, 1,4-diaminoethylcyclohexane and substituted derivatives thereof. Preferably, the chain extender includes cis-1,4- diaminocyclohexane, isophoronediamine or mixtures thereof.

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