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Preparation of UV-Curable Polyurethane Modified $Acrylate/SiO_2$ Hybrid Film Using Sol-Gel Process  

Nam, Dae-Woo (Clean Technology Research Team, Korea Institute of Industrial Technology(KITECH))
Nam, Byeong-Uk (Department of Applied Chemical Eng., Korea University of Technology and Education(KUT))
Cha, Bong-Jun (Department of Environmental Eng., and Biotechnology, Myongji University)
Kim, Baek-Jin (Clean Technology Research Team, Korea Institute of Industrial Technology(KITECH))
Publication Information
Polymer(Korea) / v.31, no.2, 2007 , pp. 111-116 More about this Journal
Abstract
Polyurethane modified acrylate $(PUA)/SiO_2$ hybrid films were prepared by ultraviolet curing and their surface properties were investigated by hardness and adhesion test. The films were examined by the manipulation of mole-ratio of organic to inorganic components. Under the silica content controlled, highly desirable films were achieved and scratch resistance and hardness property of film were also enhanced, which indicates that the crosslinked silica particles are homogeneously dispersed within PUA film.
Keywords
sol-gel; organic-inorganic hybrid; UV-curing; polyurethane modified acrylate;
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