Process for making an emulsion polymer

Details Process for making an emulsion polymer Process for making an emulsion polymer

1983-02-11

1985-06-04

Schofer, Joseph L.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523346, 523348, 524458, 524460, 524801, 524555, 526 64, 526 65, 5262922, 5263031, 526317, C08L 300

Patent

active

045215529

ABSTRACT:
What is disclosed is a method for making a water-in-oil emulsion of a water soluble polymer of high molecular weight of polymerization of an aqueous monomer solution emulsified in an oil, even in large batches or continuously, comprising not moving the emulsion in a turbulent flow pattern at the start of polymerization and not mixing the emulsion at the start of polymerization with portions of emulsion which have been exposed to polymerization conditions for less time. Once polymerization has started, it is continued by the action of an initiator which decomposes to yield free radicals.

REFERENCES:
patent: 3979349 (1976-09-01), Fink et al.
patent: 4331787 (1982-05-01), Fairchok et al.

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