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Emulsion and miniemulsion copolymerization of acrylic monomers in the presence of alkyd resin

✍ Scribed by S. T. Wang; F. J. Schork; G. W. Poehlein; J. W. Gooch

Publisher: John Wiley and Sons
Year: 1996
Tongue: English
Weight: 888 KB
Volume: 60
Category: Article
ISSN: 0021-8995
DOI: 10.1002/(sici)1097-4628(19960620)60:12<2069::aid-app4>3.0.co;2-k

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✦ Synopsis

Emulsion and miniemulsion copolymerizations were carried out with acrylic monomers (methyl methacrylate, butyl acrylate, and acrylic acid) in the presence of a n alkyd resin. Poly(methy1 methacrylate) was used as a hydrophobe or cosurfactant in the miniemulsion reactions. The results demonstrate that miniemulsion polymerization is the preferred process, probably because of mass transport limitations of the alkyd in the conventional emulsion polymerization reactions. The monomer emulsions prepared for the miniemulsion reactions were much more stable and the polymerizations were free of coagulum. Reaction rates, particle size characteristics, grafting efficiencies, and some film properties were measured.

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