Process for the production of a polymeric carbamate

Details Process for the production of a polymeric carbamate Process for the production of a polymeric carbamate

1979-08-09

1981-01-06

Welsh, Maurice J.

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

Synthetic resins

From reactant having a halogen atom or oxygen single bonded...

528372, C08G 7104

Patent

active

042437989

ABSTRACT:
A process for the production of polymeric carbamate from polyalkylene polyamines which provides for the efficient separation of the product mixture into a hydrocarbon phase containing the carbamate and a polyamine phase containing the polyamine hydrochloride salt utilizes an excess of polyamine reactant containing a limited amount of water. The process is particularly suited to the production of monocarbamate.

REFERENCES:
patent: 2660574 (1953-11-01), Jones et al.
patent: 3254056 (1966-05-01), Lovell
patent: 3377322 (1968-04-01), Witsiepe
patent: 3385833 (1968-05-01), Pariser et al.
patent: 3671511 (1972-06-01), Honnen et al.
patent: 4160648 (1979-07-01), Lewis et al.

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