T-403 CAS:39423-51-3 Polyetheramine
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China [CN] 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
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