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http://dx.doi.org/10.9713/kcer.2012.50.4.639

Preparation of Silylated Acrylic Polyurethane Dispersion Using Aminopropyl Triethoxysilane and Acrylate Monomers  

Kim, Byung Suk (Department of Chemical and Biochemical Engineering, Konyang University)
Yun, Dong Gu (Department of Chemical and Biochemical Engineering, Konyang University)
Yoo, Byung Won (Technical Research Institute, Hanjin Chemical Co., LTD.)
Lee, Myung Goo (K.L.Tech Co., LTD.)
Byun, Tae Gang (Department of Food Science and Biotechnology, Konyang University)
Song, Ki Chang (Department of Chemical and Biochemical Engineering, Konyang University)
Publication Information
Korean Chemical Engineering Research / v.50, no.4, 2012 , pp. 639-645 More about this Journal
Abstract
Waterborne polyurethane dispersion (PUD) was synthesized by capping the NCO groups of polyurethane prepolymers, prepared from isophorone diisocyanate, polycarbonate diol and dimethylol propionic acid, with aminopropyl triethoxysilane (APS). Subsequently, silylated acrylic polyurethane dispersion was synthesized by reacting the PUD with the mixture of acrylate monomers, 2-hydroxyethyl methacrylate and methyl methacrylate. The average particle size of silylated acrylic polyurethane dispersion, measured by the dynamic light scattering method, was increased from 39.0 nm to 399.8 nm by increasing the addition amounts of APS. Also, the pencil hardness of coating films of silylated acrylic polyurethane dispersion was enhanced from B grade to F grade with increasing APS content.
Keywords
Pencil Hardness; 2-Hydroxyethyl Methacrylate; Methyl Methacrylate; Aminopropyl Triethoxysilane; Silylated Acrylic Polyurethane Dispersion; Coating Films;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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