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19/4/451    most recent
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This version was published on August 1, 2007
High Performance Polymers, Vol. 19, No. 4, 451-461 (2007)
DOI: 10.1177/0954008306073117
© 2007 SAGE Publications

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

Qing-Jie Meng

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

Xing-Xiang Zhang

Tianjin Municipal Key Lab of Fiber Modification and Functional Fibers, Institute of Functional Fibers, Tianjin Polytechnic University, Tianjin 300160, China, zhangpolyu{at}yahoo.com.cn

Xue-Chen Wang

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

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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