Preparation of aqueous polymer dispersions of low viscosity with

Details Preparation of aqueous polymer dispersions of low viscosity with Preparation of aqueous polymer dispersions of low viscosity with

1997-06-17

2000-02-22

Cain, Edward J.

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...

524459, 524460, 524461, 526201, 526202, 526203, C08K 320

Patent

active

060281359

ABSTRACT:
A process for the preparation of aqueous polymer dispersions of low viscosity with polymer volume concentrations of at least 50% by volume, based on the polymer dispersion, by free-radical emulsion polymerization of ethylenically unsaturated monomers, with the exception of vinyl halides and vinylidene halides, in the presence of at least one initiator and at least one initial polymer involves emulsifying the major proportion of the monomers in an aqueous dispersion of the initial polymer and supplying this emulsion continuously to the polymerization reaction.

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