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Preparation and properties of montmorillonite/carbon foam nanocomposites
AbstractMontmorillonite (Mt)/carbon foam nanocomposites were prepared by direct carbonization of organic montmorilonite (OMt)/bismaleimide (BMI) resin mixtures at ambient pressure. Carbonization behaviors of the OMt/BMI resin mixtures were studied using X-ray diffraction (XRD) and thermogravimetric analysis (TGA). In addition, the influences of the additive amount of OMt on the microstructures, physical properties and compressive behaviors and oxidation resistance of the resulting nanocomposites were investigated. Results show that with the increasing of the additive amount of OMt, the pore walls of the nanocomposites become thick and their average pore sizes decrease. When the additive amount of OMt varies from 0 to 1.5wt%, the mechanical properties, bulk density and oxidation resistance of the nanocomposites are improved and their thermal conductivity is markedly decreased. For the nanocomposite prepared with 1.5wt% of OMt, its bulk density, thermal conductivity, compressive strength and modulus arrive at 0.35g/cm3, 0.108W/m·K, 6.90MPa and 207MPa, respectively.
HighlightsMontmorillonite is a suitable nanofiller in the carbon foam.The montmorillonite/carbon foam nanocomposites possess good mechanical strength.The nanocomposites exhibit relatively low thermal conductivity.
Preparation and properties of montmorillonite/carbon foam nanocomposites
AbstractMontmorillonite (Mt)/carbon foam nanocomposites were prepared by direct carbonization of organic montmorilonite (OMt)/bismaleimide (BMI) resin mixtures at ambient pressure. Carbonization behaviors of the OMt/BMI resin mixtures were studied using X-ray diffraction (XRD) and thermogravimetric analysis (TGA). In addition, the influences of the additive amount of OMt on the microstructures, physical properties and compressive behaviors and oxidation resistance of the resulting nanocomposites were investigated. Results show that with the increasing of the additive amount of OMt, the pore walls of the nanocomposites become thick and their average pore sizes decrease. When the additive amount of OMt varies from 0 to 1.5wt%, the mechanical properties, bulk density and oxidation resistance of the nanocomposites are improved and their thermal conductivity is markedly decreased. For the nanocomposite prepared with 1.5wt% of OMt, its bulk density, thermal conductivity, compressive strength and modulus arrive at 0.35g/cm3, 0.108W/m·K, 6.90MPa and 207MPa, respectively.
HighlightsMontmorillonite is a suitable nanofiller in the carbon foam.The montmorillonite/carbon foam nanocomposites possess good mechanical strength.The nanocomposites exhibit relatively low thermal conductivity.
Preparation and properties of montmorillonite/carbon foam nanocomposites
Wang, Yanmao (author) / Liu, Yulin (author) / Lin, Qilang (author) / Dong, Shaohai (author) / Xiong, Lei (author)
Applied Clay Science ; 140 ; 31-37
2017-01-30
7 pages
Article (Journal)
Electronic Resource
English
Preparation and properties of montmorillonite/carbon foam nanocomposites
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