Study on the surface modification of Sb₂O₃ nanoparticles by using mechanochemical method

Jianlin XuCollege of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou, China;Wenzhou Research Institute of Pump and Valve Engineering, Lanzhou University of Technology, Wenzhou, ChinaCorrespondence[email protected] [email protected]

Wenlong YangCollege of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou, China;Wenzhou Research Institute of Pump and Valve Engineering, Lanzhou University of Technology, Wenzhou, China

Lei NiuCollege of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou, China;Wenzhou Research Institute of Pump and Valve Engineering, Lanzhou University of Technology, Wenzhou, China

Xiaomin DanCollege of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou, China;Wenzhou Research Institute of Pump and Valve Engineering, Lanzhou University of Technology, Wenzhou, China

Chengcheng WangCollege of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou, China;Wenzhou Research Institute of Pump and Valve Engineering, Lanzhou University of Technology, Wenzhou, China

Chen WenCollege of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou, China;Wenzhou Research Institute of Pump and Valve Engineering, Lanzhou University of Technology, Wenzhou, China

ABSTRACT

Using cetyltrimethylammonium bromide, polyethylene glycol (PEG-4000), and their composites as surfactants, the surface of Sb₂O₃ nanoparticles was modified by mechanochemical method based on high-energy ball milling. The microstructures, dispersibility, and hydrophobicity of the resulting Sb₂O₃ nanoparticles were characterized by X-ray diffraction, transmission electron microscopy, Fourier transform infrared spectroscopy, and surface contact angle measurement. The results showed that there was no obvious change in the crystal structure of Sb₂O₃ nanoparticles after surface modification. The resulting Sb₂O₃ nanoparticles were successfully coated by the experimental surfactants, which led the particles to have better dispersibility than that of unmodified Sb₂O₃ nanoparticles. Besides, the Sb₂O₃ nanoparticles modified by compound surfactants exhibited the highest hydrophobicity with surface contact angle of 126.7°.

KEYWORDS:

Funding

The work was supported by the Natural Science Foundation of Zhejiang Province of China (LY12E01002).

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Study on the surface modification of Sb₂O₃ nanoparticles by using mechanochemical method