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Citation: XUE Beibei, LU Fusui, CHEN Tiantian, FENG Jianguo, LI Wei, LUO Yan. Preparation of Hexaflumuron Suspension by Solvent Displacement Technique and Its Dispersion Stability[J]. Chinese Journal of Applied Chemistry, ;2011, 28(1): 72-76. doi: 10.3724/SP.J.1095.2011.00246 shu

Preparation of Hexaflumuron Suspension by Solvent Displacement Technique and Its Dispersion Stability

1.
College of Chemistry and Materials Science of Shandong Agricultural University, Tai'an 271018

Corresponding author: LU Fusui,
Received Date: 27 April 2010
Available Online: 30 June 2010
Fund Project: 山东省自然科学基金资助项目(ZR2009DM032) (ZR2009DM032)泰安市大学生科技行动计划(2009D1018) (2009D1018)

Effects of the dispersant, mass fraction of styrene-acrylic acid random copolymer(MOTAS), mass fraction of ethanol on the dispersion stability of hexaflumuron suspension produced by a solvent displacement technique were studied by means of measuring the average particle size and Zeta potential analysis. It has been found that the dispersive effect of MOTAS on the suspension was greater than others under the same condition. Under the condition of 1% mass fraction of MOTAS, D_av is the minimal, Zeta potential is the maximal and the dispersion stability is the best. The dispersion stability of the hexaflumuron suspension can be greatly enhanced when the ethanol was added. The dispersion stability attained best in solution containing about 31.2% mass fraction of ethanol.
- solvent displacement technique,
- hexaflumuron,
- suspension concentrate,
- zeta potential,
- average size,
- dispersion stability
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