Thiacloprid aqueous suspension agent and preparation method thereof
An aqueous suspension agent and thiacloprid technology, which is applied in the field of pesticides, can solve the problems of undisclosed types of dispersants and the like, and achieve the effects of enhanced properties such as rain erosion resistance and spreadability, good permeability, and a simple preparation method.
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[0031] Example 1 Thiacloprid water suspension
[0032] Thiacloprid water suspension, including the following components and their mass percentages: Thiacloprid 35%, wetting and dispersing agent 4%, synergist 4%, thickener 0.5%, antifreeze 3%, defoamer 0.5 %, the balance is water. Among them, the wetting and dispersing agent is composed of PEAS03 and sp-sc3 in a mass ratio of 1:1; the synergist is silicone BQ-809F; the thickening agent is composed of xanthan gum and magnesium aluminum silicate in a ratio of 1:1 1 mass ratio composition; defoamer is silicone oil; antifreeze is propylene glycol.
[0033] The preparation method of thiacloprid water suspension includes the following steps
[0034] A) Add 65% of the formula amount of water, wetting and dispersing agent and antifreeze to the reaction vessel, stir and mix;
[0035] B) Add thiacloprid to the reaction vessel, homogenize with a homogenizer for 20 minutes, pump into a sand mill to grind to particle size D 98 ≤4μm, get the grind...
Example Embodiment
[0037] Example Dithiacloprid water suspension
[0038] Thiacloprid water suspension, including the following components and their mass percentages: Thiacloprid 40%, wetting and dispersing agent 5%, synergist 3%, thickener 1%, preservative 0.5%, antifreeze 5% , 0.5% defoamer, the balance is water. Among them, the wetting and dispersing agent is composed of sp-2700 and PEAS03 at a mass ratio of 4:1, the synergist is a mixture of silicone BQ-809F and silicone T1118 at a mass ratio of 3:1, and the thickening agent is composed of yellow The raw rubber and magnesium aluminum silicate are composed of a mass ratio of 1:1, the defoamer is AF1501, the antifreeze is ethylene glycol, and the preservative is Kasson.
[0039] The preparation method of thiacloprid water suspension includes the following steps:
[0040] A) Add 70% of the formula amount of water, wetting and dispersing agent and antifreeze to the reaction vessel, stirring and mixing;
[0041] B) Add thiacloprid to the reaction vesse...
Example Embodiment
[0043] Example Trithiacloprid water suspension
[0044] Thiacloprid water suspension, including the following components and their mass percentages: Thiacloprid 40%, wetting and dispersing agent 5%, synergist 3%, thickener 1%, preservative 0.5%, antifreeze 5% , 0.5% defoamer, the balance is water. Among them, the wetting and dispersing agent is sp-2700, the synergist is silicone FS-608A, the thickening agent is composed of xanthan gum and magnesium aluminum silicate in a mass ratio of 1:1, the defoaming agent is AF1501, and the antifreeze agent It is ethylene glycol, and the preservative is casson.
[0045] The preparation method of the thiacloprid water suspension is the same as in the second embodiment.
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