Polyamines containing urea groups

Details Polyamines containing urea groups Polyamines containing urea groups

1995-06-07

1996-08-27

Dodson, Shelley A.

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

Synthetic resins

From ketone or ketene reactant

528 59, 528 87, 528 93, 528422, C08G 1206, C08G 1408

Patent

active

055502067

ABSTRACT:
The present invention relates to novel polyamines containing urea groups and a process for the preparation of these polyamines, represented by the general formula: ##STR1## where n is: 2.ltoreq.n.gtoreq.1; and R denotes an alkylene radical having 2-14 C atoms which may optionally be substituted by 1-3 CH.sub.3 or C.sub.2 H.sub.5 groups, or 1-3 CH.sub.2 groups of the alkylene radical R may be substituted by --O--, --NH-- or --NCH.sub.3 --.

REFERENCES:
patent: 4916201 (1990-04-01), Harris et al.

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