Electrical Property of Carbon Nanotube/PMMA/PVAc Composite Film

Chai, Hong Mei; Zhao, Dong Lin; Shen, Zeng Min

doi:10.4028/www.scientific.net/AMR.11-12.555

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Home Advanced Materials Research AICAM 2005Electrical Property of Carbon Nanotube/PMMA/PVAc...

Electrical Property of Carbon Nanotube/PMMA/PVAc Composite Film

Abstract:

The carbon nanotube/PMMA/PVAc composite film was prepared by solution casting. The carbon nanotube (CNT) and graphitized carbon nanotube (GCNT) were employed as conductive fillers in the composite films. The conductivity of the GCNT/PMMA/PVAc film is better than that of CNT/PMMA/PVAc film. The electrical percolation thresholds were at 5wt% and 2wt% respectively in the CNT/PMMA/PVAc film and GCNT/PMMA/PVAc film. The volume electric resistivities of CNT/PMMA/PVAc and GCNT/PMMA/PVAc composite film are at 0.044⋅m and 0.007⋅m respectively at 15wt% carbon nanotube. The significant difference of resistivity for the both types of composite film was due to different structure and crystallinity of CNT and GCNT.

Info:

Periodical:

Advanced Materials Research (Volumes 11-12)

Main Theme:

AICAM 2005

Edited by:

Masayuki Nogami, Riguang Jin, Toshihiro Kasuga and Wantai Yang

Pages:

555-558

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.11-12.555

Citation:

H. M. Chai et al., "Electrical Property of Carbon Nanotube/PMMA/PVAc Composite Film", Advanced Materials Research, Vols. 11-12, pp. 555-558, 2006

Online since:

February 2006

Authors:

Hong Mei Chai, Dong Lin Zhao, Zeng Min Shen

Keywords:

Carbon Nanotube (CN), Composite Film, Electrical Properties, Poly(methyl methacrylate) (PMMA), PVAc

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$38.00

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Paper TitlePages

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Abstract: This work is focusing on exploring preparing processes to tailor the microstructure of carbon nanotube (CNT) reinforced silicon nitride-based ceramic composites. Samples with different porosity’s and different amount (1, 3 or 5 wt%) of carbon nanotubes have been prepared by using gas pressure sintering or hot isostatic pressing. In comparison, composites with 1wt%, 5wt% or 10wt% carbon black and graphite have been manufactured. We measured the room temperature mechanical and electrical properties, examined the micro and nano structure by X-ray diffraction and electron microscopy. It was found that it is possible to develop CNT-silicon nitride composite for applications where a decent electric conductivity and good mechanical properties are required.

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Basic Properties of Woodceramics Made from Furane Resin/Bamboo Powder Composite

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1569

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753

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Authors: Sai Nan Wei, Rui Zhou Li, Li Chen, Ji Ming Yao

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835

Synthesis of Patterned Carbon Nanotubes Based on Anodic Aluminum Nano-Templates

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Abstract: Carbon nanotubes based on anodic aluminum nano-templates embedded with different metal catalysts were synthesized and the influence on the morphology of the products of the gas flow rate and the reaction time was closely investigated. The samples were characterized by field-emission scanning electron microscope. The results confirmed that the products are carbon nanotubes with controllable size and the morphology of the products were different with the different reation conditions.

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