High molecular weight trifunctional polyoxyethylene amines

Details High molecular weight trifunctional polyoxyethylene amines High molecular weight trifunctional polyoxyethylene amines

1989-11-03

1992-03-17

Raymond, Richard L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

528335, 528340, C07C23722

Patent

active

050970704

ABSTRACT:
High molecular weight secondary amine terminated amides are disclosed which are prepared by a two-step process wherein a triamine and dibasic acid are reacted to form an acid terminated amide intermediate which is further reacted with a polyethylene glycol diamine or N,N'-diisopropyl derivative thereof to form an ungelled amine terminated product which is useful as an epoxy curing agent.
The product can be represented by the following structure: ##STR1## where x=1 to 5 and R"=H or C.sub.1 to C.sub.4 carbon atoms.

REFERENCES:
patent: 3326853 (1967-06-01), Earhart et al.
patent: 4795581 (1989-01-01), Nieh et al.

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