화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Macromolecular Research, Vol.13, No.5, 453-459, October, 2005
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Interfacial Shear Strength and Thermal Properties of Electron Beam-Treated Henequen Fibers Reinforced Unsaturated Polyester Composites
Yansong Pang, Donghwan Cho†, Seong Ok Han1, and Won Ho Park2
  • Polymer/Bio Composites Research Lab., Department of Polymer Science and Engineering, Kumoh National Institute of Technology, Gumi, Gyungbuk 730-701, Korea
  • 1Functional Materials Research Center, Korea Institute of Energy Research, Daejeon 305-343, Korea
  • 2Department of Textile Engineering, Chungnam National University, Daejeon 305-764, Korea
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Natural fiber henequen/unsaturated polyester (UPE) composites were fabricated by means of a compression molding technique using chopped henequen fibers treated at various electron beam (EB) dosages. The interfacial shear strength (IFSS), dynamic mechanical properties, and thermal expansion behavior were investigated through a single fiber microbonding test, fractographic observation, dynamic mechanical analysis, and thermomechanical analysis, respectively. The results indicated that the interfacial and dynamic mechanical properties significantly depended on the level of the EB treatment irradiated onto the henequen fiber surfaces. The effect of EB treatment on the IFSS, storage modulus and fracture surface of the henequen/UPE composites agreed with each other. The results of this study also suggested that the modification of henequen fiber surfaces at 10 kGy EB is the most effective for improving the interfacial properties of the henequen/UPE composites.
Keywords:natural fiber composites;henequen;electron beam treatment;interfacial shear strength;dynamic mechanical properties.
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