Pirimicarb and pymetrozine composition and water dispersible granule thereof
A technology for pymetrozine and pirimicarb, applied in the field of pesticides, can solve problems such as short duration of effect, and achieve the effects of improving insecticidal effect, improving utilization rate and reducing environmental pollution
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Embodiment 1
[0035] Example 1 20% pirimicarb·pymetrozine water dispersible granules
[0036] The content of each component (by weight) is 10% of the original powder of pymetrozine, 10% of the original drug of pirimicarb, 10% of the dispersant sodium lignosulfonate, 2% of the stabilizer catechol, and 12% of the wetting agent Alkyl sodium sulfate 1%, binder polyethylene glycol 800 5%, disintegrant sodium bicarbonate 8%, pH adjuster in appropriate amount to make the pH value of the suspending agent 6, penetrant silicone 2%, white carbon black 10 %, kaolin fills up to 100%. After crushing pirimicarb, pymetrozine, dispersant, wetting agent, stabilizer, disintegrating agent, penetrating agent, pH regulator, etc. through airflow, use wet granulation and extrusion granulator to obtain spherical Or cylindrical particles can be.
Embodiment 2
[0037] Example 2 35% pirimicarb·pymetrozine water dispersible granules
[0038] The content of each component (by weight) is 20% of the original powder of pymetrozine, 15% of the original drug of pirimicarb, 10% of the dispersant sodium lauryl polyoxyethylene ether sulfate, 2% of the wetting agent sodium lauryl sulfate, Stabilizer butyl glycidyl ether 2.5%, binder propylene glycol 4%, disintegrant sodium carbonate 8%, pH regulator in proper amount to make the pH value of the suspending agent 6, penetrating agent organosilicon 2%, white carbon black 15%, Kaolin fills up to 100%. After crushing pirimicarb, pymetrozine, dispersant, wetting agent, stabilizer, disintegrating agent, penetrating agent, pH regulator, etc. through airflow, use wet granulation and extrusion granulator to obtain spherical Or cylindrical particles can be made.
Embodiment 3
[0039] Example 3 40% pirimicarb·pymetrozine water dispersible granules
[0040] The content of each component (by weight) is 20% of the original powder of pymetrozine, 20% of the original drug of pirimicarb, 8% of the dispersant dispersant alkylnaphthalene formaldehyde condensate iodate, and the wetting agent alkylnaphthalene sulfonic acid Salt 2%, stabilizer epoxy soybean oil 2.5%, binder glycerol 4%, disintegrant ammonium nitrate 10%, pH adjuster in proper amount to make the pH value of the suspending agent 6, penetrant silicone 2%, white Carbon black supplemented to 100%. After crushing pirimicarb, pymetrozine, dispersant, wetting agent, stabilizer, disintegrating agent, penetrating agent, pH regulator, etc. through airflow, use wet granulation and extrusion granulator to obtain spherical Or cylindrical particles can be.
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