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Citation: LI Wei, LU Fu-Sui, GUO Wen-Ting, LI Hui. Preparation and Characterization of Emamectin Benzoate Microcapsules[J]. Chinese Journal of Applied Chemistry, ;2010, 27(12): 1381-1385. doi: 10.3724/SP.J.1095.2010.00160 shu

Preparation and Characterization of Emamectin Benzoate Microcapsules

College of Chemistry and Materials Science, Shandong Agricultural University, Taian 271018

Received Date: 18 March 2010
Revised Date: 6 June 2010

Using formaldehyde and melamine as wall materials,encapsulated emamectin benzoate-toluene microcapsules were prepared via an in-situ polymerization process.The experimental results show that well defined microcapsules with uniform particle size around 4.4 μm could be formed when the mass ratio of melamine to formaldehyde is 1:2,core to wall is 3 to 2,using 1% mass fraction of HEC as emulsifying agent,the stirring ratio is 1000 r/min,pH value is 5.0,the temperature and heating time are 50℃ and 2 h,respectively.An improved photodegradation of emamectin benzoate microcapsules toward UV light could be achieved.Fourier-transform infrared spectroscopy(FT-IR) results also demonstrate the successful encapsulation of emamectin benzoate within the wall material.
- emamectin benzoate-toluene,
- microcapsules,
- in-situ polymerization,
- preparation,
- melamine-formaledehyde resin
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