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http://dx.doi.org/10.9726/kspse.2014.18.5.106

A Study on the Mechanical Properties of Composite Materials of Polyurethane Resin and CuO  

Kim, Eun-Bong (Department of Control & Mechanical Engineering, Pukyong National University)
Koo, Su-Jin (Institute of Defense Science & Technology, Pukyong National University)
Jeong, Sang-Gu (Department of Chemical Engineering, Pukyong National University)
Kim, Seok-Hyeon (Department of Chemical Engineering, Pukyong National University)
Publication Information
Journal of Power System Engineering / v.18, no.5, 2014 , pp. 106-114 More about this Journal
Abstract
For the purpose of development of polyurethane sealing material, polyurethane resins reinforced with CuO were prepared from polyol and MOAC(4,4'-Methylenebis(2-chlorobenzeneamine)). And the effects of compositions on the mechanical properties of the reinforced polyurethane resin were experimentally examined. The polyurethane resin got to be thermally decomposed at $260^{\circ}C$ and completely carbonized around $500^{\circ}C$. Tensile strength, elongation and hardness of the polyurethane resin increased with the content of MOCA. CuO was uniformly dispersed in the polyurethane resin by 1 minute's ultrasonic radiation. Tensile strength, elongation and hardness of the polyurethane resin reinforced with CuO increased with the content of CuO. Tensile strength and hardness of the reinforced polyurethane resin increased with particle size of the CuO, but elongation decreased. CuO showed higher tensile strength and hardness than any other additives, and lowest elongation.
Keywords
polyurethane resin; MOAC(4,4'-Methylenebis(2-chlorobenzeneamine)); CuO; Tensile Strength; Hardness;
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Times Cited By KSCI : 4  (Citation Analysis)
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