Study on preparation and properties of carbon nanotubes/hollow glass microspheres/epoxy syntactic foam
-
Xingguo Zhang
,
Bin Ya
Abstract
Hollow glass microspheres (HGMs)/epoxy syntactic foam reinforced by multiwalled carbon nanotubes (MWCNTs) was prepared in this study. The effect of MWCNTs on the density, mechanical properties and water absorption of HGMs/epoxy syntactic foam was investigated. Because of the low density and low content of MWCNTs, the density of HGMs/epoxy syntactic foam does not change much with adding MWCNTs. In addition, the compression strength of HGMs/epoxy is enhanced by 17–25% when adding 0.3 wt% MWCNTs. The fracture surfaces of specimens were examined with scanning electron microscopy (SEM), and results indicated that the bridging effect of MWCNTs is the reinforcement mechanism. Analyzing the water absorption testing results, it is concluded that MWCNTs may decrease the water absorption content due to the hydrophobicity. Bigger inorganic ions in salt water could prevent the water diffusion, which results in a decrease of water absorption. In addition, the water absorption rate decreases with the extension of testing time.
Funding source: National Natural Science Foundation of China
Award Identifier / Grant number: 51301029
Award Identifier / Grant number: 51375071
Funding statement: The research was financially supported by the National Natural Science Foundation of China (Grant nos. 51301029 and 51375071) and the Fundamental Research Funds for the Central Universities [DUT11RC(3)86].
Acknowledgments:
The research was financially supported by the National Natural Science Foundation of China (Grant nos. 51301029 and 51375071) and the Fundamental Research Funds for the Central Universities [DUT11RC(3)86].
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Artikel in diesem Heft
- Frontmatter
- Review
- Characterization of polymeric shape memory materials
- Original articles
- Reworkable layered silicate-epoxy nanocomposites: synthesis, thermomechanical properties and combustion behaviour
- Crystalline phase of inorganic montmorillonite/poly(vinylidene fluoride) nanocomposites: influence of dispersion of nanolayers
- Effects of epoxidized natural rubber as a compatibilizer on latex compounded natural rubber-clay nanocomposites
- Preparation and mechanical properties of poly(p-phenylene sulfide) nanofiber sheets obtained by CO2 laser supersonic multi-drawing
- Fabrication of mixed matrix poly(phenylene ether-ether sulfone)-based nanofiltration membrane modified by Fe3O4 nanoparticles for water desalination
- Tailoring PES membrane morphology and properties via selected preparation parameters
- Preparation and characterization of pure and copper-doped PVC films
- Study on preparation and properties of carbon nanotubes/hollow glass microspheres/epoxy syntactic foam
- Processing of polycaprolactone and hydroxyapatite to fabricate graded electrospun composites for tendon-bone interface regeneration
