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http://dx.doi.org/10.7473/EC.2012.47.1.030

Synthesis and Characterization of Bio-Elastomer Based on Vegetable Oils  

Lee, Hyeok (Department of Polymer Science & Enginering, Gyeongsang National University)
Kwak, Kyung-Hwan (Department of Polymer Science & Enginering, Gyeongsang National University)
Kim, Jin-Kuk (Department of Polymer Science & Enginering, Gyeongsang National University)
Publication Information
Elastomers and Composites / v.47, no.1, 2012 , pp. 30-35 More about this Journal
Abstract
Novel bio-polybutadiene polymers with controlled molecular weight (MW), MW distribution, chemical composition and micro structure were synthesized by a living anionic polymerization of butadiene and the subsequent coupling reaction of the thus obtained living polybutadiene and a vegetable oil. Anionic polymerization of butadiene was carried out in THF solvent using n-BuLi initiator. The resulting living polybutadienyllithium polymer was then reacted with epoxidized soybean oil (ESO) to obtain a star-polymer of polybutadiene and vegitable oil. Three different bio-elastomers were prepared by coupling living polybutadienes of MWs 1000, 5000 and 1000g/mol with ESO. The molecular structure and MW of the polybutadienes and bioelastomers were characterized by $^1H$-NMR, FTIR and GPC techniques.
Keywords
polybutadiene; bioelastomer; vegetable oil; living anionic polymerization;
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