abstract |
Amines endowed with chain extension activity for formulations such as polyureas and polyurethanes are disclosed, which have general formula (A) wherein n is 1-1000 and m is 1-100; R1 and R2 are from the group -C2H4- and C3H6-; and R3 and R4 are each independently selected from the group consisting of H, -CH3, -CH2CH3, -CH2OH, and -CH2-CH2-OH; and the diastereomeric salts thereof. |