Method of making emulsion polymers

Details Method of making emulsion polymers Method of making emulsion polymers

1983-09-26

1984-05-15

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526213, 526214, 526304, 5263076, 5263077, 526320, 5263285, 5263293, 5263296, 5263297, 526332, 526342, 526346, 526347, C08F 404

Patent

active

044489455

ABSTRACT:
What are disclosed are a method for making an emulsion polymer by polymerizing water insoluble free-radically polymerizable monomers, or monomer mixtures predominantly comprising such monomers, by emulsion polymerization in the presence of a polymerization initiator which is soluble in organic solvents and has at least limited solubility in water, and in the further presence of a free non-polymerizable emulsifying acid, also soluble in organic solvents, and the conversion of such an emulsion polymer by spray drying into a polymer powder which is completely soluble in organic solvents to form clear solutions from which polymer films of reduced water sensitivity can be formed.

REFERENCES:
patent: 3963688 (1976-06-01), Lorenz et al.
"Emulsion Polymerisation Theory and Practice", Blackley, Applied Science Publishers Ltd., London, pp. 155,156.

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