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Synthesis and characterization of octadecylamine grafted multi-walled carbon nanotubes

✍ Scribed by Min Xu; Qinghua Huang; Qun Chen; Pingsheng Guo; Zhuo Sun

Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
297 KB
Volume
375
Category
Article
ISSN
0009-2614

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✦ Synopsis

A series of octadecylamine (ODA) grafted multi-walled carbon nanotubes (MWNT) were prepared and characterized by NMR, FTIR, DSC and XRD. It is revealed that the ODA chains grafted on MWNT are partially crystallized, though the packing structure is not as perfect as the pure ODA. It is believed that ODA prefer to react at some active sites, such as the tube-ends and the defects on the sidewall of MWNT. A quantitative NMR technique was developed to determine the weight percent of ODA in modified MWNT. The relationship between the content of ODA and the solubility of soluble MWNTs is discussed.

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