吸水率对TMD固化碳基填充环氧复合材料介电常数的影响

IF 1.2 Q3 MULTIDISCIPLINARY SCIENCES

Journal of Physical Science Pub Date : 2019-02-15 DOI:10.21315/JPS2019.30.S1.6

M. H. Abdul Kudus, H. Md. Akil, M. R. Zakaria, M. B. H. Othman

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引用次数: 4

摘要

采用碳纳米管(CNT)和纳米石墨烯(GNP)作为碳质填料，制备了四甲基二胺固化双酚A二甘油酯(DGEBA)环氧复合材料。将CNT/环氧和GNP/环氧纳米复合材料分别在0%、30%、50%、70%和100%相对湿度的室温下老化3周。在较高的相对湿度下，两种复合材料的吸水率均有所增加。此外，GNP/环氧纳米复合材料的吸水性比CNT/环氧纳米复合材料高。两种纳米复合材料的介电常数增量均与吸水性能平行。结果表明，吸水性对环氧树脂介电常数的增加有一定的促进作用。

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Effect of Water Absorption on Dielectric Constant of TMD Cured of Carbonaceous Filled Epoxy Composites

: Carbon nanotubes (CNT) and graphene nanoparticles (GNP) have been used as carbonaceous filler in epoxy composites based on the diglycidyl ether of bisphenol A (DGEBA) cured with tetra methyl diamine (TMD). Both CNT/epoxy and GNP/epoxy nanocomposites were subjected to ageing at 0%, 30%, 50%, 70% and 100% of relative humidity at room temperature for three weeks. Both composites show increasing water absorption percentage at higher relative humidity. Moreover, the GNP/epoxy nanocomposites showed a higher water absorption compared to CNT/epoxy nanocomposites. The dielectric constant increment of both nanocomposites is parallel to the water absorption properties. It is concluded that water absorption leads both to increase the dielectric constant of the epoxy resin.

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来源期刊

Journal of Physical Science Physics and Astronomy-Physics and Astronomy (all)

CiteScore

1.70

自引率

0.00%

发文量

期刊介绍： The aim of the journal is to disseminate latest scientific ideas and findings in the field of physical sciences among scientists in Malaysia and international regions. This journal is devoted to the publication of articles dealing with research works in Chemistry, Physics and Engineering. Review articles will also be considered. Manuscripts must be of scientific value and will be submitted to independent referees for review. Contributions must be written in English and must not have been published elsewhere.