文章摘要
许博皓,杨会歌,刘旭影,代坤,王猛,钱彬彬,陈金周.改性石墨烯/介电弹性体的制备及传感性能[J].包装工程,2017,38(13):51-54.
XU Bo-hao,YANG Hui-ge,LIU Xu-ying,DAI Kun,WANG Meng,QIAN Bin-bin,CHEN Jin-zhou.Preparation and Sensing Property of Modified Graphene/Dielectric Elastomer[J].Packaging Engineering,2017,38(13):51-54.
改性石墨烯/介电弹性体的制备及传感性能
Preparation and Sensing Property of Modified Graphene/Dielectric Elastomer
投稿时间:2017-04-16  修订日期:2017-07-10
DOI:
中文关键词: 改性石墨烯  介电弹性体  介电传感
英文关键词: modified graphene  dielectric elastomer  dielectric sensing
基金项目:郑州大学博士人才基金(F0000907)
作者单位
许博皓 郑州大学郑州 450001 
杨会歌 郑州大学郑州 450001 
刘旭影 郑州大学郑州 450001 
代坤 郑州大学郑州 450001 
王猛 郑州大学郑州 450001 
钱彬彬 郑州大学郑州 450001 
陈金周 郑州大学郑州 450001 
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中文摘要:
      目的 制备具有优异介电性能,可用于传感器的热塑性聚氨酯弹性体复合材料。方法 使用十八烷基胺修饰氧化石墨烯片层,通过热处理工艺部分还原改性后的氧化石墨烯,利用溶液混合法将改性石墨烯分散到热塑性聚氨酯的基体中,通过絮凝-热压的方法成形,并测试其结构、介电性能及传感性能。结果 十八烷基胺通过共价键的形式接枝到氧化石墨烯表面,X射线衍射表明,十八烷基胺通过表面接枝改性,增大了石墨烯片层的层间距。结论 改性石墨烯填充的介电弹性体具有较高的介电常数和较低的介电损耗,且表现出良好的弯曲形变-介电敏感响应。
英文摘要:
      The work aims to fabricate thermoplastic polyurethane elastomer composites with superior dielectric properties used for sensors. Octadecylamine was used to modify the oxidized graphene lamella. The oxidized graphene was partly reduced and modified through the technology of heat treatment. The modified graphene was dispersed into the matrix of thermoplastic polyurethane in the solution blending method and then formed by means of flocculation-hot pressing. Structures, dielectric properties and sensing properties of this material were tested. The octadecylamine was grafted to the oxidized graphene surface in the form of covalent bond. The X-ray diffraction showed that the octadecylamine modified through surface grafting increased the lamellar spacing. The dielectric elastomer filled with the modified graphene has higher dielectric constant and lower dielectric loss, and it exhibits good bending deformation-dielectric sensitive response.
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