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http://dx.doi.org/10.9713/kcer.2011.49.4.411

Effect of Addition of Pentaerythritol Triacrylate on the Properties of Waterborne Polyurethane  

Shin, Yong Tak (Department of Chemical and Biochemical Engineering, Konyang University)
Hong, Min Gi (Department of Chemical and Biochemical Engineering, Konyang University)
Choi, Jin Joo (Department of Chemical and Biochemical Engineering, Konyang University)
Lee, Won Ki (Technical Research Institute, Hanjin Chemical Co. LTD.)
Yoo, Byung Won (Technical Research Institute, Hanjin Chemical Co. LTD.)
Lee, Myung Goo (K.L. Tech Co., LTD.)
Song, Ki Chang (Department of Chemical and Biochemical Engineering, Konyang University)
Publication Information
Korean Chemical Engineering Research / v.49, no.4, 2011 , pp. 411-416 More about this Journal
Abstract
NCO terminated polyurethane prepolymers were synthesized from isophorone diisocyanate(IPDI), polycarbonate diol(PCD) and dimethylol propionic acid(DMPA). Subsequently, acrylic terminated prepolymers were prepared by capping the NCO groups of polyurethane prepolymers with different moles of pentaerythritol triacrylate (0~0.024 moles) as a acrylate monomer. The average particle size of the acrylic terminated polyurethane solutions was increased with increasing PETA contents. Also, the prepared coating films showed better abrasion resistance and pencil hardness than pure waterborne polyurethane.
Keywords
Waterborne Polyurethane; Pentaerythritol Triacrylate; Acrylic Terminated Polyurethane;
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Times Cited By KSCI : 4  (Citation Analysis)
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