Journal of Oleo Science
Online ISSN : 1347-3352
Print ISSN : 1345-8957
ISSN-L : 1345-8957
Chemistry and Organic Synthesis
Development of New Mineral Oil-Based Antifoams Containing Size-controlled Hydrophobic Silica Particles for Gloss Paints
Kiyokazu JoMotoyoshi IshizukaKatsuomi ShimabayashiTsuyoshi Ando
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2014 Volume 63 Issue 12 Pages 1303-1308

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Abstract

Water-based architectural paints commonly contain either mineral oil-based or silicone-based antifoams. Mineral oil-based antifoams generally reduce the gloss of paint films; thus, silicone-based antifoams are mainly used in the field of architectural paints. The relationship between the antifoaming performance and the particle size of hydrophobic silica for mineral oil-based antifoams was investigated and a novel mineral oil-based antifoam that provided a glossy surface to the paint films equivalent to the surface obtained with silicone-based antifoams and with excellent antifoaming performance compared to silicone-based antifoams was developed. The novel mineral oil-based antifoam exhibits better performance than silicon-based antifoam, and thus the former is a perfect alternative to the latter for use in architectural paints.

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© 2014 by Japan Oil Chemists' Society
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