Simplified identification of compounding ratio and dispersion of Carbon nanotube / Polymer composite material

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  • カーボンナノチューブ/ポリマー複合材の配合比·分散の簡易同定
  • カーボンナノチューブ/ポリマー複合材の配合比・分散の簡易同定
  • カーボンナノチューブ ポリマー フクゴウザイ ノ ハイゴウヒ ブンサン ノ カンイ ドウテイ

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Abstract

In order to obtain the physical property of polypropylene and vapor growth carbon fiber (VGCF) composite material, a novel contact probe structure, C-probe, for the measurement of static capacitor is proposed. The present method utilizes the difference in dielectric constant of composite depending on the VGCF concentration. The C-probe contacted to the surface of the measuring object measures the resonance frequency between the electrodes arranged in plane (horizontal structure). In comparison with the conventional capacitor method, in which the specimen is clamped between the electrodes (vertical structure), the C-probe is advantageous because it realizes quick and non-destructive measurement. The experimental result shows good relationship between the compound ratio and the resonance frequency. By decreasing the dimension of the C-probe to be less than the composite specimen, the dispersion of mixture of the composite material has been also identified successfully.

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