Study on Preparation of Abamectin Microcapsule with Interfacial Polymerization

Lei Lei Wang; Zhi Wang; Bao Hua Zhang; Ke Feng Xiao

doi:10.4028/www.scientific.net/AMR.634-638.1090

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Study on Preparation of Abamectin Microcapsule with Interfacial Polymerization
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Study on Preparation of Abamectin Microcapsule with Interfacial Polymerization

Abstract:

The abamectin was microencapsulated with interfacial polymerization. The bursa wall materials of Abamectin microcapsule used in the experiment was polyurea which was produced by Tolylene-2,4-diisocyanate (TDI) and hexamethylenetetramine. The stirring speed and the dosage of emulsifier were determined by preliminary experiments, and the technical conditions for abamectin microencapsulation were optimized by orthogonal experiment, meanwhile, the optimal proportion and dosage of bursa wall materials, solvent and dispersant were determined. Encapsulation efficiency was measured by UV spectrophotometer. Results show that the encapsulation efficiency of microcapsules obtained is up to 90%.