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논문 기본 정보

자료유형
학술저널
저자정보
Cao, Lan (School of Polymer Science and Engineering, Qingdao University of Science and Technology) Zhang, Xiaojie (Elastomer Lab, Department of Materials Engineering and Convergence Technology, Gyeongsang National University) Wang, Xiaolei (School of Polymer Science and Engineering, Qingdao University of Science and Technology) Zong, Chengzhong (School of Polymer Science and Engineering, Qingdao University of Science and Technology) Kim, Jin Kuk (Elastomer Lab, Department of Materials Engineering and Convergence Technology, Gyeongsang National University)
저널정보
한국고무학회 Elastomers and composites 엘라스토머 및 콤포지트 제53권 제3호
발행연도
2018.1
수록면
158 - 167 (10page)

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In this study, in-situ trans-selective polymerization of isoprene was carried out using titanium-based Ziegler-Natta catalysts. The catalysts were prepared by high-energy ball milling. Individually Large-inner-diameter carbon nanotubes (CNTL), and hydroxylated carbon nanotubes (CNTOH), along with magnesium chloride ($MgCl_2$) were used as the carriers for the catalysts. The optimum ball-milling time for preparing the $CNT/MgCl_2/TiCl_4$ Ziegler-Natta catalysts was 4 h. The $CNTOH/MgCl_2/TiCl_4$ catalyst showed a higher efficiency than that of the $CNTL/MgCl_2/TiCl_4$ catalyst, based on the rate of polymerization. The effects of the CNT-filler type on the isoprene polymerization behaviors and polymer properties were investigated. The morphologies of the trans-1,4-polyisoprene (TPI)/CNT and TPI/CNTOH nanocomposites exhibited a tube-like shape, and the CNTL and CNTOH fillers were well dispersed in the TPI matrix. In addition, the thermal stability of TPI significantly increased upon the introduction of a small amount of both CNTL/CNTOH fillers (0.15 wt%), owing to the satisfactory dispersion of the CNTL/CNTOH in the TPI matrix.

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