CIESC Journal ›› 2015, Vol. 66 ›› Issue (3): 1194-1200.DOI: 10.11949/j.issn.0438-1157.20141432

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Scale preparation of carbon nanotubes/epoxy resin cellucotton composite and its oil/water separation performance

NAN Hui1, WANG Chong2, WANG Gang2, LIN Hong2,3, WEI Haomin1, WANG Ziling1   

  1. 1 School of Mechanical Engineering, Qinghai University, Xining 810016, Qinghai, China;
    2 School of Chemical Engineering, Qinghai University, Xining 810016, Qinghai, China;
    3 State Key Laboratary of New Ceramics & Fine Processing, School of Material Science and Engineering, Tsinghua University, Beijing 100084, China
  • Received:2014-09-23 Revised:2014-12-03 Online:2015-03-05 Published:2015-03-05
  • Supported by:

    supported by the National Natural Science Foundation of China(51362025) and the Youth Foundation of Qinghai University (2013-QGY-8).

碳纳米管/环氧树脂复合纤维棉宏量制备及其吸油性能

南辉1, 王冲2, 王刚2, 林红2,3, 韦浩民1, 王子玲1   

  1. 1 青海大学机械工程学院, 青海 西宁 810016;
    2 青海大学化工学院, 青海 西宁 810016;
    3 清华大学材料学院新型陶瓷与精细工艺国家重点实验室, 北京 100084
  • 通讯作者: 王刚
  • 基金资助:

    国家自然科学基金项目(51362025);青海大学中青年基金项目(2013-QGY-8)。

Abstract:

Carbon nanotubes/epoxy resin (EP) cellucotton composite was prepared on a large scale using EP as the precursor sol, aluminum plates covered with carbon nanotubes as substrate, by a simple and convenient electrospinning and collaborative pulling technology. The morphology, structure and composition of the obtained samples were investigated with scanning electron microscopy, thermogravimetric analyzer, mercury injection test and Raman spectroscopy. Carbon nanotubes were partly wrapped and distributed evenly on the surface of the EP fibers, and the composite structures had high specific surface area and porosity. The contact angle of the carbon nanotube/EP composite structure was 114.1° for water, and 66.8° for vegetable oil. The as-made carbon nanotubes/EP composites showed superior adsorption capacity for vegetable oil, which was better than polypropylene fiber, and could adsorb more than 10 times of oil in terms of their own mass.

Key words: carbon nanotubes, porous media, nanostructure, adsorption

摘要:

采用环氧树脂作为前驱体溶胶,利用负载有碳纳米管的铝板为接收基板,通过简单方便的静电纺丝协同拉拔技术,宏量制备了碳纳米管/环氧树脂复合纤维棉,并对这种复合纤维棉的吸油性能进行了探索。采用扫描电子显微镜(SEM)、热重分析仪(TGA)、压汞仪、拉曼光谱仪等设备系统分析了复合纤维棉的形貌、结构和组成。结果表明,复合纤维棉具有高的比表面积与孔隙率,碳纳米管均匀地分布在复合纤维棉中。复合纤维棉与水和植物油的接触角分别为114.1°与66.8°;与丙纶纤维相比较,复合纤维棉展现出更加优异的吸油能力,可吸附超过自身质量10倍的油类物质。

关键词: 碳纳米管, 多孔介质, 纳米结构, 吸收

CLC Number: