Citation: Yun-xing Li, Yan Gao, Cheng Yang, Zhao-qun Wang, Gi Xue. Facile and Controllable Assembly of Multiwalled Carbon Nanotubes on Polystyrene Microspheres[J]. Chinese Journal of Polymer Science, ;2014, 32(6): 711-717. doi: 10.1007/s10118-014-1424-y shu

Facile and Controllable Assembly of Multiwalled Carbon Nanotubes on Polystyrene Microspheres

Yun-xing Li ^1,, ,
Yan Gao ¹ ,
Cheng Yang ¹ ,
Zhao-qun Wang ² ,
Gi Xue ²

1.
The Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China
2.
Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China

Corresponding author: Yun-xing Li,
Received Date: 19 August 2013
Revised Date: 9 November 2013

Fund Project: This work was financially supported by the National Natural Science Foundation of China (Nos. 21204030 and 51133002) and the Fundamental Research Funds for the Central Universities (JUSRP111A05).

Herein a facile and controllable heterocoagulation between polystyrene (PS) microspheres and multiwalled carbon nanotubes (MWCNTs) is introduced based on colloid thermodynamics. The MWCNTs play the role of steric stabilizer for stabilizing the metastable PS microspheres and thus immobilize spontaneously on the surface of PS microspheres. The synthesized MWCNTs-coated PS composite particles have been extensively characterized by scanning electron microscopy, transmission electron microscopy, thermogravimetry and Raman spectroscopy. The results indicate that the structure and morphology of the resultant MWCNTs-coated PS composite particles are significantly affected by the weight ratio of PS and MWNCTs and the amount of poly(vinylpyrrolidone) that is injected into PS dispersion before they are mixed with MWCNTs. Therefore, these composite particles have the potential to produce MWCNTs-based composite materials with controllable mass loading and dispersity of MWCNTs.
- Multiwalled carbon nanotube,
- Polystyrene microsphere,
- Heterocoagulation,
- Structural control,
- Colloid thermodynamics
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