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논문 기본 정보

자료유형
학술저널
저자정보
Choi, Ju-Yol (Department of Polymer Science and Engineering, Kumoh National Institute of Technology) Lee, Jong-Keun (Department of Polymer Science and Engineering, Kumoh National Institute of Technology) You, Young (Department of Textile Engineering, School of Engineering, Chungnam National University) Park, Won-Ho (Department of Textile Engineering, School of Engineering, Chungnam National University)
저널정보
한국섬유공학회 Fibers and Polymers Fibers and polymers 제4권 제4호
발행연도
2003.1
수록면
195 - 198 (4page)

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Epoxidized polybutadiene (EPB) was prepared by polybutadiene (PB) with m-chloroperbenzoic acid (MCPBA) in homogeneous solution. EPB was blended with poly(3-hydroxybutyrate) (PHB) up to 30 wt% by solution-precipitation procedure. The thermal decomposition of PHB/EPB blends was studied by thermogravimetric analysis (TGA), differential scanning calorimetry (DSC) and differential thermal analysis (DTA). The thermograms of PHB/EPB blends contained a two-step degradation process, while that of pure PHB sample exhibited only one-step degradation process. This degradation behavior of PHB/EPB blends, which have a higher thermal stability as measured by maximum decomposition temperature and residual weight, is probably due to crosslinking reactions of the epoxide groups in the EPB component with the carboxyl chain ends of PHB fragments during the degradation process, and the occurrence of such reactions can be assigned to the exothermic peaks in their DTA thermograms.

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