T-403 polyetheramine is is characterized by repeating oxypropylene units in the backbone. As shown by the structure, T-403 is a trifunctional primary amine having an average molecular weight of approximately 440. Its amine groups are located on secondary carbon atoms at the ends of aliphatic polyether chains.

                                             NH2

                                             I

                        CH2-(-O-CH2-CH-)y-CH3  

                        I

H2N-(-CH-CH2-O-)x-CH2-C-CH2-(-O-CH2-CH-)z-NH2

        I                 I            I

        CH3             CH2-CH3     CH3

(x+y+z) = 5-6

Applications    

• Epoxy curing agent

• Anti-sag agent for polyurethanes

Benefits       

• Low color and vapor pressure

• Completely miscible with a wide variety of solvents, including water

• Improves flexibility and strength