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Preparation and Characterization of Polytriazole/Carbon Nanotube Composites |
Cunchao ZHANG,Liqiang WAN( ),Jianwen XU,Bing GUO,Farong HUANG |
Key Laboratory for Specially Functional Polymeric Materials and Related Technology of the Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237 |
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Cite this article:
Cunchao ZHANG,Liqiang WAN,Jianwen XU,Bing GUO,Farong HUANG. Preparation and Characterization of Polytriazole/Carbon Nanotube Composites. Chinese Journal of Materials Research, 2014, 28(7): 555-560.
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Abstract Azido-carbon nanotube (ACNT) was prepared by the reaction of azide group with carbon nanotube (CNT). The azidation of CNT was proved by FTIR, XPS and so on. Under the effect of ultrasonic wave, ACNT was uniformly dispersed into monomers of polytriazole (PTA), and then PTA/ACNT composites were prepared via in situ polymerization. The dispersion status of ACNT in the matrix resin and the microstructure of PTA/ACNT composites were observed by TEM. The influence of ACNT addition on glass transition temperature (Tg), thermostability parameter (Td5) and thermal conductivity (λ) of PTA/ACNT composites were also examined. The results showed that in comparison with the blank PTA resin, Tg increased 33℃, Td5 increased 15℃ in nitrogen atmosphere and 8℃ in air for the PTA/ACNT composite with 1.0% ACNT; while λ increased by 45% at 30℃ and 30% at 150℃ for the PTA/ACNT composite with 5.0% ACNT.
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Received: 13 March 2014
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Fund: *Supported by Shanghai Leading Academic Discipline Project No. B502. |
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