Emulsion polymerization process utilizing a specifically defined

Details Emulsion polymerization process utilizing a specifically defined Emulsion polymerization process utilizing a specifically defined

1995-04-11

1995-12-26

Nagumo, Mark

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524555, 526312, C08L 3900

Patent

active

054788838

ABSTRACT:
An improved emulsion polymerization process utilizing at least one substantially water-insoluble ethylenically unsaturated monomer is provided for forming discrete solid polymeric particles suitable for use in coating and/or adhesive applications. During at least the initial portion of the polymerization a dissolved water-soluble polymerizable surfactant (as defined) formed by the reaction of a diallylamine, ethylene oxide, and propylene oxide and/or butylene oxide additionally is provided in the reaction zone in the continuous aqueous phase. The water-soluble polymerizable surfactant undergoes copolymerization and is substantially completely consumed during the course of the emulsion polymerization. The emulsion polymerization is carried out on a stable basis, there is no need to attempt to remove a surfactant at the conclusion of the emulsion polymerization, and the resulting polymeric particles are particularly well suited for coating and/or adhesive end uses where they form stable films and exhibit improved adhesion characteristics.

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