Cypermethrin/chlorpyrifos calcium carbonate sustained and controlled release agent and preparation method thereof
The technology of cypermethrin and slow and controlled release agent is applied in the field of pesticide preparation, which can solve the problems of aquatic organism safety threat, influence on water ecological environment, and high resistance to chlorpyrifos, and achieve good drug resistance, excellent high temperature stability, and environmental friendliness. Effect
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[0054] Such as figure 1 Shown, the preparation method of the cypermethrin / chlorpyrifos calcium carbonate sustained and controlled release agent that the embodiment of the present invention provides comprises the following steps:
[0055] S101, preparing porous layered calcium carbonate.
[0056] S102, placing the mixed solution of cypermethrin / chlorpyrifos in the conical flask, adding the ethanol solution, and stirring evenly to obtain the ethanol solution of cypermethrin / chlorpyrifos.
[0057] S103, adding the porous layered calcium carbonate prepared in S101 to the Erlenmeyer flask containing the ethanol solution of cypermethrin / chlorpyrifos in S102.
[0058] S104, place the Erlenmeyer flask of S103 on a vibrating shaker, add wetting agent, dispersant, antifreeze, preservative, defoamer, and thickener in sequence, and continue to oscillate evenly to obtain a mixed solution A.
[0059] S105, after the mixed solution A obtained in S104 is sequentially subjected to suction fi...
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