Process for the preparation of polymer dispersions

Details Process for the preparation of polymer dispersions Process for the preparation of polymer dispersions

1974-06-12

1976-09-21

Lieberman, Allan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 338R, 260 342, 260857UN, 260873, C08J 302, C08K 501, C08K 502, C08K 505

Patent

active

039818390

ABSTRACT:
A process is described for the preparation of a dispersion of a condensation polymer in a hydrocarbon or chlorinated hydrocarbon liquid in which the polymer is insoluble, employing one or more polymer-forming reactants which are also insoluble in that liquid. Such a reactant is dissolved in a second liquid which is inert to the polymer-forming reaction, is immiscible with the first liquid at the reaction temperature and can be separated from the latter by distillation, and the solution of the reactant is emulsified in the first liquid, prior to heating the reaction mixture to form the polymer, with the aid of a specified emulsifying agent.

REFERENCES:
patent: 3383352 (1968-05-01), Duell et al.
patent: 3532663 (1970-10-01), Nicks et al.
patent: 3580880 (1971-05-01), Clarke et al.
patent: 3679612 (1972-07-01), Titow

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