Method for continuous production of invert emulsion polymers

Details Method for continuous production of invert emulsion polymers Method for continuous production of invert emulsion polymers

1981-06-25

1983-12-06

Schofer, Joseph L.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523336, 523337, 526 64, 526 88, 526918, 526920, C08J 310

Patent

active

044194668

ABSTRACT:
Invert emulsion polymers are prepared by continuously circulating a system comprising a non-polar liquid and an aqueous solution of polymerizable monomers, continuously adding components to said system and continuously withdrawing a portion of said system comprising the desired invert emulsion polymer. The method is conveniently effected in a loop reactor. It is particularly effective for the production of invert emulsion polymers of acrylamidoalkanesulfonic acids and their salts; e.g., 2-acrylamido-2-methylpropanesulfonic acid.

REFERENCES:
patent: 2769804 (1956-11-01), Hanson
patent: 2978438 (1961-04-01), Erlenbach et al.
patent: 3324093 (1967-06-01), Alleman
patent: 3551396 (1970-12-01), Lanthier
patent: 4147681 (1979-04-01), Lim et al.
patent: 4331787 (1982-05-01), Fairchok et al.

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