Preparation of concentrated polyacrylate dispersions

Details Preparation of concentrated polyacrylate dispersions Preparation of concentrated polyacrylate dispersions

1982-04-28

1984-01-03

Barr, Josephine

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...

524748, C08K 501

Patent

active

044242980

ABSTRACT:
Emulsion copolymerization of acrylic or methacrylic acid esters with from 0.3 to 10% by weight of .alpha.,.beta.-monoolefinically unsaturated monocarboxylic acids and/or dicarboxylic acids and/or their amides, with or without up to 25% by weight of styrene, acrylonitrile, vinyl acetate and/or vinyl chloride, using the emulsion feed process, gives particularly concentrated copolymer dispersions if an emulsifier system of 0.01-5.0% by weight of a sulfuric acid half-ester of an oxyalkylated alkylphenol and 0.01-1% by weight of a dialkyl sulfosuccinate, where alkyl is of 6 to 18 carbon atoms, is employed and the polymerization is carried out at pH 2-6.

REFERENCES:
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patent: 4018737 (1977-04-01), Seer et al.
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patent: 4117237 (1978-09-01), Longley et al.
patent: 4130523 (1978-12-01), Hoy et al.
patent: 4148746 (1979-04-01), Klemmensen et al.

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