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http://dx.doi.org/10.12925/jkocs.2004.21.3.10

Effect of Latex Particle Morphology on the Film Formation and Film Properties of Acrylic Coatings (III);Film Properties of Model Composite Latex  

Ju, In-Ho (Department of Chemical Engineering, Myongji University)
Byeon, Ja-Hun (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.3, 2004 , pp. 259-266 More about this Journal
Abstract
Film properties 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. Tensile strength and tensile elongation at break of final films were evaluated. Those properties can be interpreted in terms of PBA/PMMA phase ratio and their morphology. The interfacial adhesion strength was also evaluated using $180^{\circ}$ peel strength measurement and cross hatch cutting test.
Keywords
composite latexes; film property; emulsion polymerization;
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