Process for the preparation of synthetic resin dispersions

Details Process for the preparation of synthetic resin dispersions Process for the preparation of synthetic resin dispersions

1995-12-22

1997-10-21

Szekely, Peter A.

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...

524460, 524733, 524773, 526 81, 526 86, 526 87, 526200, 526201, 526202, 526203, C08F 224, C08V 5101, C08L 3312, C08L 3104

Patent

active

056797354

ABSTRACT:
A process for the preparation of a synthetic resin dispersion stabilized by a protective colloid employing at least one initiator and based on a polymer of (a) a first monomer of at least one ester of acrylic acid or methacrylic acid and an alcohol containing 1 to 22 carbon atoms; and optionally, (b) a second monomer which can be copolymerized with the first monomers. The process comprises introducing at least 50% of the monomers based on the total weight of the monomers, at least 50% of the protective colloid based on the total weight of the protective colloid, and up to 50% of the initiator based on the total weight of the initiator into a reaction vessel to form an aqueous emulsion. Any remaining monomers and protective colloid and at least 50% of the initiator based on the total weight of the initiator are then added to the reaction vessel at a temperature of 30.degree. to 100.degree. C.

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Chemical Abstracts, vol. 112, No. 4, "Emulsion Polymerization and Copolymerization of Vinyl and Acrylate Monomers", Abstract No. 21424, (1990).

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