Polyureas prepared from a mixture of polyamines and a...

Details Polyureas prepared from a mixture of polyamines and a... Polyureas prepared from a mixture of polyamines and a...

C - Chemistry, Metallurgy

08

G

400/113, 402/168

C08G 18/32 (2006.01) C08G 18/38 (2006.01) C08G 18/61 (2006.01) C08G 18/65 (2006.01) C08G 18/69 (2006.01)

Patent

CA 1327670

ABSTRACT Polyureas are prepared from a system of (A) a polyisocyanate; and (B) a mixture of polyamines containing (i) from 60 to 25 percent by weight of the mixture of an aromatic polyamine; and (ii) from 40 to 75 percent by weight of the mixture of an aliphatic polyamine.

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