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Synthesis and characterization of star-comb styrene/butadiene copolymer |
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| Authors: | Qing Min Zhang Chuang Chen Hong Xia Zhang Chun Qing Zhang Yang Li Xi Gao Jian |
| Affiliation: | a State Key Laboratory of Fine Chemicals, Department of Polymer Science and Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian 116012, China;b Liaoning Province Key Laboratory of Polymer Science and Engineering, Dalian 116012, China |
| Abstract: | A novel star-comb styrene/butadiene copolymer (SC-SBC) was synthesized by anionic polymerization and grafting reaction with epoxidized star liquid polybutadiene (ESPB) as coupling agent. The overall shape of the star-comb macromolecules can be altered by changing the molecular weight and number of the side chain. The molecular parameters and mechanical properties of the SC-SBC resins were investigated. The notched izod impact strength of the SC- SBC resins are excellent and reach as high as to 239 J/m. |
| Keywords: | Anionic polymerization Epoxidation Grafting reaction Star-comb copolymer Side chain |
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