Di-amino compounds

摘要

Di-amines endowed with chain extension activity for formulations such as polyureas and polyurethanes are disclosed, and which have the general formula: <IMAGE> wherein n is 0-1000; R1, R2, R5, and R6 are each independently selected from the group consisting of H, -CH3, -CH2CH3, -CH2OH, and -CH2-CH2-OH; R3=R4, and R3 and R4 are from the group -CH2-CH2-; -CH2-C(CH3)H-; and -C(CH3)H-CH2-; and the diasteromeric salts thereof.