Azoxystrobin microcapsule suspending agent forairplane spray pesticide control as well as preparation device and preparation method thereof
A technology for microcapsule suspensions and preparation devices, which is applied in botany equipment and methods, chemicals for biological control, fungicides, etc., and can solve the problems of easy aggregation of microcapsules, blockage of nozzles, and poor dispersion. Achieve good dispersion, reduce drug damage, and good stability
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Embodiment 1
[0046] A preparation device for azoxystrobin microcapsule suspensions for flight prevention, comprising an oil phase feeding kettle 1 and a water phase feeding kettle 2, the oil phase feeding kettle 1 is connected to a pipeline shearer through an oil phase flow pump 3 5. The water-phase feeding kettle 2 is connected to the pipeline shearer 5 through the water-phase flow pump 4, the pipeline shearer 5 is connected to the finished product kettle 6, and the water-based capsule material kettle 8 is flowed through the water-based capsule material. The pump 7 is connected to the finished product kettle 6 .
[0047] Further, the oil phase feeding kettle 1, the water phase feeding kettle 2, the finished product kettle 6, and the water-based capsule material kettle 8 are all equipped with stirring devices.
[0048] The mass ratio of each component of 10% azoxystrobin microcapsule suspension is as follows:
[0049] Azoxystrobin technical (98.0%): 1020g
[0050] Ethyl acetate (organic ...
Embodiment 2
[0071] The mass ratio of each component of 15% azoxystrobin microcapsule suspension is as follows:
[0072] Azoxystrobin technical (98.0%): 1531g
[0073] Ethyl acetate (organic solvent): 3300g
[0074] Terephthaloyl chloride (oily capsule material): 200g
[0075] Hexylene glycol (water-based capsule material): 50g
[0076] Fatty alcohol polyoxyethylene ether sulfate (dispersant): 300g
[0077] Ethylene oxide propylene oxide copolymer (emulsifier): 500g
[0078] Polydimethylsiloxane (defoamer): 50g
[0079] Propylene glycol (antifreeze): 200g
[0080] Xanthan gum (thickener): 20g
[0081] Casson BIT 20 (preservative): 30g
[0082] Deionized water (continuous phase): 3819g
[0083] Total: 10000g
[0084] A kind of preparation method of the 10% azoxystrobin microcapsule suspension concentrate that is used for flying defense, comprises the steps:
[0085] (1) Add 3300g of ethyl acetate into the oil phase feeding kettle, start stirring, add 1531g of azoxystrobin active d...
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