Graphene oxide/cement composites for electromagnetic interference shielding

来源 :2014中国功能材料科技与产业高层论坛 | 被引量 : 0次 | 上传用户:kissall
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
  Graphene oxide (GO) synthesized through a modified Hummers method was added into cement matrix to prepare GO/cement.Themicrostructure, mechanical properties, and the electromagnetic shielding effectiveness (SE) at 8.2-12.4 GHz of GO/cement composite were investigated.
其他文献
Epoxy protective coatings incorporated with polyaniline nanowires were prepared and characterized.Diglycidyl ether of bisphenol A was used as matrix epoxy and phenalkamine synthesized from cardanol wa
本文采用水热法制得了具有较高光催化活性的4ZnO·B2O3·H2O,并采用XRD、SEM对产物的晶相组成和显微型貌进行了表征,研究了不同前驱液pH值条件下的制得的4ZnO· B2O3·H2O晶体在紫外光下分别对三种有机染料(亚甲基蓝、罗丹明B和甲基橙)的光催化性能,并首次测试了所制4ZnO·B2O3· H2O晶体的禁带宽度。
以SnCl4·5H2O和NH3· H2O为主要原料,水为反应介质,在微波水热条件下研究了不同反应温度对SnO2的结构和光催化性能的影响。利用X射线粉末衍射仪(XRD)、扫描电子显微镜(SEM)、透射电子显微镜(TEM)和光催化反应仪等对产物进行表征测试。
The growth of microarc oxidation (MAO)coatings on aluminum substrates was controlled via changing solution temperature from 10 to 60 ℃.The results show that an elevation of the temperature lowers the
To understand doped PbS/CdS:X (Bi, Ag)quantum dot better and how to choose appropriate doped elements, its necessary to analyze internal electronic transmission of doped quantum dot.
Stable and uniformly dispersive silvernanoparticleswereprepared though reducing silver nitrate with polyvinylpyrrolidone.The effects of preparing conditions on the stability of silver nanoparticles we
This paper focus on choosing the optimum forming temperature, drawing speed and installing the appropriate apparatus to control the thickness and shrinkage in the process of drawing flexible glass.
环氧树脂由于固化后呈现出三维交联网络结构,呈现出质脆及耐磨性能较差的缺点,限制了其广泛应用。为了克服上述缺点,本文主要研究了羧基化碳纳米管的加入对环氧树脂复合材料拉伸强度和耐磨性的影响。
Dry waters with an average diameter of 82 μm were prepared by a high speed mixed route.The formaldehyde absorption kinetics of dry waters was investigated by simulating indoor formaldehyde pollution i
A novel kind of AgNPs catalyst was synthesizedby in-situ reduction method using poly (2-acrylamido-2-methylpropylsulfonic acid-co-2-hydroxyethylmethclate)[shortas P(AMPS-co-HEMA)]hydrogel as matrices