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Applied surface science v.433, 2018년, pp.560 - 567   SCI SCIE
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Interfacial enhancement of carbon fiber composites by growing TiO2 nanowires onto amine-based functionalized carbon fiber surface in supercritical water

Ma, Lichun (Institute of Polymer Materials, Qingdao University, Qingdao 266071, China ) ; Li, Nan (State Key Laboratory of Fine Chemicals, Department of Polymer Science and Materials, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China ) ; Wu, Guangshun (School of Chemistry and Materials Science, Ludong University, Yantai 264025, China ) ; Song, Guojun (Institute of Polymer Materials, Qingdao University, Qingdao 266071, China ) ; Li, Xiaoru (Institute of Polymer Materials, Qingdao University, Qingdao 266071, China ) ; Han, Ping (Institute of Polymer Materials, Qingdao University, Qingdao 266071, China ) ; Wang, Gang (Institute of Polymer Materials, Qingdao University, Qingdao 266071, China ) ; Huang, Yudong (School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150040, China ) ;
  • 초록  

    Abstract A novel amine-based functionalization method was developed to improve the interfacial adhesion between TiO 2 NWs and CFs in supercritical water. The microstructure, morphology and mechanical properties of CFs were investigated. It was found that introducing hexamethylenetetramine (HMTA) dendrimers and branched polyethyleneimine (PEI) on CF could increase significantly the adhesion strength between CF and TiO 2 NWs and their interfacial shear strength with epoxy resin, and the order is CF-PEI-TiO 2 NWs>CF-HMTA-TiO 2 NWs>CF-COOH-TiO 2 NWs>CF-TiO 2 NW. Meanwhile, the reinforcing mechanisms and interfacial failure modes have also been discussed. We believe that these effective methods may provide theoretical foundation for the preparation of high performance composite materials. Highlights A new growth method of TiO 2 NWs on different CF surfaces was proposed. Supercritical water is an availably medium to improve reaction efficiency. Introducing HMTA or PEI on CF could increase significantly the adhesion strength between CF and TiO 2 NWs and their interfacial shear strength with epoxy. The tensile strength of carbon fiber does not decrease distinctly. Graphical abstract [DISPLAY OMISSION]


  • 주제어

    Carbon fiber .   Polymer-matrix composites (PMCs) .   Interface .   Mechanical properties .   Nanowires.  

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