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0954008306073117v1
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First published on May 30, 2007, doi:10.1177/0954008306073117

High Performance Polymers 2007;19:451.

A more recent version of this article appeared on August 1, 2007

Article

Preparation and Characterization of Poly (1, 3-propylene glycol-hexanedioic acid)-functionalized Carbon Nanotubes

Qing-Jie Meng*, Xing-Xiang Zhang, Xue-Chen Wang

Tianjin Municipal Key Lab of Fiber Modif ication and Functional Fibers, Institute of Functional Fibers, Tianjin Polytechnic University, Tianjin 300160, China

* To whom correspondence should be addressed.


  Abstract

An in situ process was used to prepare poly (1, 3-propylene glycol-hexanedioic acid)-functionalized carbon nanotubes using carboxylate-functionalized multi-walled carbon nanotubes, 1, 3-propylene glycol and hexanedioic acid as reactants. The functionalized carbon nanotubes were characterized using transmission electronic microscopy, Fourier transform infrared spectroscopy and thermogravimetric analysis. The results indicated that the carboxylate-functionalized carbon nanotubes chemically reacted and were linked with the polyester chains. The extent of polycondensation reaction could be controlled by the concentration of the carboxylate-functionalized carbon nanotubes in the reactant mixture. The carboxylate-functionalized carbon nanotubes were surrounded by a polyester matrix with a maximum thickness of approximately 3 nm.

Key Words: Carbon nanotubes, aliphatic polyester, in situ polymerization, polycondensation reaction


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