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Influence of Acid-Treated Carbon Nano-Tubes on the Microstructure and Properties of Carbon Nano-Tubes Polyurethane Composites

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Abstract:

The investigations including the acid treatment to multi-walled carbon nano-tubes (MWNTs) and the synthesis of MWNTs/polyurethane composites via in situ polymerization were done. X-ray Photoelectron spectroscopy (XPS), scanning electron microscopy (SEM) and dynamic mechanical analysis (DMA) were utilized for evaluating the effects of acid-treated MWNTs on the properties and microstructure of the composites. The results indicated that carboxyl groups could be successfully introduced onto the surface of MWNTs by acid treatment. The dynamic storage modulus and glass transition temperature of composites increased with the existence of MWNTs. The improvement of polyurethane by acid-treated MWNTs performed better compared to raw MWNTs.

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Periodical:

Advanced Materials Research (Volumes 146-147)

Pages:

805-809

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.146-147.805

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Online since:

October 2010

Authors:

Ji You Gu, Lan Zhang, Xian Kai Jiang

Keywords:

Acid Treatment, Carbon Nanotube (CN), Composite, Microstructure, Polyurethane (PU)

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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