Studies on Carbon Nanotube Surface Modified with Polystyrene

Abstract

Abstract: Polystyrene with a halogen atom at the chain end was prepared by means of atom transfer radical polymerization(ATRP). Then polystyrene with an azide group at the chain end was obtained through the azidization reaction. Finally, PSt was connected to the surface of carbon nanotube by the reaction of azide group with single walled carbon nanotube(SWNT) or multi-walled carbon nanotube(MWNT) and the chemical modification of CNT was realized. The characterizing results of FTIR, XPS, UV, Raman spectrum and TEM show that the PSt was combined assuredly with carbon nanotube by the covalent bond. According to the results of TGA mensuration, the content of PSt on the surface of SWNT and MWNT is respectively estimated and more defects in structure of MWNT are favorable for chemical modification of CNTs.

Key words: Carbon nanotube, Polystyrene, Chemical modification, Azidization, Atom transfer radical polymerization(ATRP)

CLC Number:

O632.7
TB383

TrendMD:

WANG Guo-Jian*; DONG Yue; QIU Jun; LIU Lin. Studies on Carbon Nanotube Surface Modified with Polystyrene[J]. Chem. J. Chinese Universities, doi: .

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Studies on Carbon Nanotube Surface Modified with Polystyrene

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