Tertiary amines having carbonate and urethane groups

Details Tertiary amines having carbonate and urethane groups Tertiary amines having carbonate and urethane groups

1997-06-16

1998-11-10

Sergent, Rabon

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

156 77, 156 78, 4284231, 521128, 521129, 521130, 521164, 521166, 528 73, 528 85, C08G 1818, C08G 1820, C08G 1844, C08G 1846

Patent

active

058345795

ABSTRACT:
Tertiary amines having carbonate and urethane groups and optionally hydroxyl groups are produced by reacting a) a polyhydric alcohol and b) a primary-tertiary diamine with c) a carbonic acid derivative selected from the group consisting of optionally cyclic carbonates, urea, phosgene and bis-chlorocarbonates of alcohols of the same type as those used as component a). This reaction may be carried out in one or two steps. The tertiary amines produced by this process are useful as catalysts, which may optionally be incorporated into an isocyanate-reactive material, in the isocyanate addition reaction for the production of polyurethane plastics. These tertiary amines are particularly useful for the production of foam backed plastic films.

REFERENCES:
patent: 2390551 (1945-12-01), Muskat et al.
patent: 2887452 (1959-05-01), Alpert et al.
patent: 5686643 (1997-11-01), Wagner et al.

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