Epoxidized polybutadiene as a thermal stabilizer for poly(3-hydroxybutyrate). I. Effect of epoxidation on the thermal properties of polybutadiene |
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| Authors: | Ju Yol Choi Jong Keun Lee Won Ho Park |
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| Institution: | (1) Department of Textile Engineering, School of Engineering, Chungnam National University, 305-764 Taejon, Korea;(2) Department of Polymer Science and Engineering, Kumoh National University of Technology, 730-701 Kumi, Kyungbuk, Korea |
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| Abstract: | Polybutadiene (PB) was epoxidized to various extens withm-chloroperbenzoic acid (MCPBA) in homogeneous solution. The thermal properties of the epoxidized PBs were investigated by
differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). As a result of epoxidation the glass transition
temperature (T
g) of PB increased by approximately 0.8°C for each 1 mol% of epoxidation. The thermal decomposition of the epoxidised PBs occurred
in twostep process, while that of PB exhibited apparent one-step degradation process. |
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| Keywords: | Polybutadiene Epoxidation Double bond Glass transition temperature Degradation |
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