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Citation: CHENG Yan-Ling, QIU Jun-Ying, YI Chang-Feng, XU Zu-Shun. Polystyrene Nanoparticles Prepared by Dispersion Polymerization under Ultrasonic Irradiation[J]. Chinese Journal of Applied Chemistry, ;2008, 25(10): 1217-1220. shu

Polystyrene Nanoparticles Prepared by Dispersion Polymerization under Ultrasonic Irradiation

1.
College of Material Science and Engineering, Hubei University, Wuhan 430062

Corresponding author: XU Zu-Shun,
Received Date: 9 October 2007
Available Online: 17 January 2008
Fund Project:

Polystyrene nanoparticles were prepared by dispersion polymerization under ultrasonic irradiation.The morphologies and sizes of the latex particles were characterized with the transmission electron microscopy(TEM);the conversion of the monomer was determined by gravimetry.The results show that the polymerization under ultrasonic irradiation showed a faster reaction rate and higher conversion compared with conventional heating method.The conversion of St under ultrasonic irradiation was 63% within 1 h.The latex particle diameter was about 80 nm by means of dispersion polymerization under ultrasonic irradiation,which was smaller than that prepared by conventional heating method.Raising temperature was a useful way to promote the reaction.
- ultrasonic irradiation,
- dispersion polymerization,
- nanoparticles,
- polystyrene
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