Method for the production of high concentrations of emulsion pol

Details Method for the production of high concentrations of emulsion pol Method for the production of high concentrations of emulsion pol

1981-11-12

1983-11-29

Michl, Paul R.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

524458, 524460, 526 87, C08F 224

Patent

active

044181833

ABSTRACT:
A process for the preparation of emulsion polymers having a solid content of about 65% to about 80% is disclosed. The process comprises the step of adding a monomeric mixture to a reaction system maintained at a temperature of from about 60.degree. C. to about 90.degree. C., the monomer addition not exceeding an hourly rate of about one-fourth of the total monomer to be added, the mixture comprising monomers having a particle size of from about 10-100 microns, the system having therein an emulsifier and initiator at the time of the monomeric addition.

REFERENCES:
patent: 3547857 (1970-12-01), Murray
patent: 4123405 (1978-10-01), Oyamada
patent: 4246156 (1981-01-01), Heins
patent: 4254004 (1981-03-01), Abbey
patent: 4267090 (1981-05-01), Heimberg

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