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http://dx.doi.org/10.12925/jkocs.2004.21.2.4

Effect of Latex Particle Morphology on the Film Properties of Acrylic Coatings (II);Film Forming Behavior of Model Composite Latex  

Ju, In-Ho (Department of Chemical Engineering, Myongji University)
Wu, Jong-Pyo (Department of Chemical Engineering, Myongji University)
Publication Information
Journal of the Korean Applied Science and Technology / v.21, no.2, 2004 , pp. 132-139 More about this Journal
Abstract
Film forming behavior of monodispersed model composite latexes with particle size of 190 nm, which consist of n-butyl acrylate as a soft phase monomer and methyl methacrylate as a hard phase monomer with different morphology was examined. Five different types of model latexes were used in this study such as random copolymer particle, soft-core/hard-shell particle, hard-core/soft-shell particle, gradient type particle, and mixed type particle. The film forming behavior was evaluated using pseudo on-line measurements of the cumulative weight loss, the UV transmittance, and the tensile fracture energy. Each stages of film formation I, II were not sensitive to the morphology of model latexes, but stage-ill was largely dependent on the morphology of model latexes. The chain mobility of polymer which composed the shell component was found to dominantly determine the behavior of film forming stage-III.
Keywords
composite latexes; film formation; emulsion polymerization;
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Times Cited By KSCI : 1  (Citation Analysis)
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