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Thermo-Responsive Dispersion of Multi-Walled Carbon Nanotubes Modified with Poly(N-Isopropylacrylamide-Co-Acrylic Acid)

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Abstract:

Multi-walled carbon nanotubes (MWNTs) were modified with poly(N-isopropylacryl- amide-co-acrylic acid) (P(NIPAAm-co-AA)), and the modified MWNTs can be homogeneously dispersed in aqueous solution. In addition, the MWNTs were endowed with thermo-responsive at 33°C . The MWNTs switched reversibly between aggregated and well-exfoliated states by using temperature as a stimulus. Moreover, the introduction of acrylic acid to copolymerize with N-isopropylacrylamide could greatly enhance the dispersing ability of MWNTs.

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Periodical:

Advanced Materials Research (Volumes 194-196)

Pages:

722-725

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.194-196.722

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Online since:

February 2011

Authors:

Yu Liang Xiao, Gui Yun Duan, Gui Rong You, Xiao Dong Zhao

Keywords:

Multi-Walled Carbon Nanotube (MWCNT), N-Isopropylacrylamide, Thermo-Responsive

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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