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Pesticide suspending agent and production process thereof

A production process and suspending agent technology, which is applied in the field of pesticides, can solve the problems of low melting point of prochloraz, difficulty in stabilizing the product, and numerous processing steps, and achieve the effect of simplifying the production process and reasonable design

Pending Publication Date: 2022-03-08
江苏东南植保有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing tebuconazole prochloraz suspending agent is mostly processed by a two-step method because of the low melting point of prochloraz, that is, the suspending agent + water emulsion method. This method has many product processing steps, and the product is difficult to stabilize. To solve this difficulty, we improved a lot of formulations, using polymeric carboxylate as dispersant, and rosin modified sulfonate as emulsifier for one-step grinding to obtain stable Tebuconazole Prochloraz Suspending Concentrate

Method used

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  • Pesticide suspending agent and production process thereof
  • Pesticide suspending agent and production process thereof
  • Pesticide suspending agent and production process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A kind of pesticide suspension concentrate, has the raw material of following mass percentage:

[0027]

[0028] The dispersant is HDB-3800E, appearance: loose powder, no agglomeration, no obvious mechanical impurities.

[0029] Wetting agent sodium dodecylbenzene sulfonate, appearance: white powder, loose, no agglomeration, no obvious mechanical impurities.

[0030] Emulsifier rosin modified sulfonate, appearance: yellow viscous liquid, mass percentage ≥ 96%.

[0031] Antifreeze ethylene glycol, appearance: colorless viscous liquid, mass percentage ≥ 98%.

[0032] Antifoaming agent silicone, appearance: milky white liquid, pH6.0~8.0.

[0033] Thickener xanthan gum, appearance: light yellow-brown powder, pH 6.5-8.0, particle size: 60-80 mesh.

[0034] Stabilizer bentonite, appearance: off-white powder, pH 6.5-8.0, fineness: 220 mesh, 99% pass.

[0035] An excellent and stable formulation can be obtained through the above combination.

[0036] A kind of productio...

Embodiment 2

[0047] A kind of pesticide suspension concentrate, has the raw material of following mass percentage:

[0048]

Embodiment 3

[0050] A kind of pesticide suspension concentrate, has the raw material of following mass percentage:

[0051]

[0052]

[0053] Table 1 shows the quality control indexes of the pesticide suspension concentrates prepared in the above-mentioned Examples 1-3 and the comparative example.

[0054] The pesticide suspension concentrate quality control index that table 1 embodiment 1~3 makes

[0055]

[0056] The present invention is reasonable in design, adopts polymeric carboxylate as dispersant, molecular weight is 8000, rosin modified sulfonate is emulsifier and carries out one-step grinding method to obtain stable tebuconazole prochloraz suspending agent, simplifies tebuconazole The production process of prochloraz.

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Abstract

The invention discloses a pesticide suspending agent and a production process thereof. The pesticide suspending agent is prepared from the following raw materials in percentage by mass: 5.0 to 15.0 percent of tebuconazole, 20.0 to 30.0 percent of prochloraz, 3.0 to 7.0 percent of a dispersing agent, 1.0 to 3.0 percent of a wetting agent, 3.0 to 7.0 percent of an anti-freezing agent, 0.3 to 0.7 percent of a de-foaming agent, 0.1 to 0.3 percent of a thickening agent, 2.0 to 4.0 percent of bentonite and the balance of de-ionized water. The tebuconazole and prochloraz suspending agent is reasonable in design, the stable tebuconazole and prochloraz suspending agent is prepared through a one-step grinding method by adopting the high-molecular polymerized carboxylate as the dispersing agent, the molecular weight of the high-molecular polymerized carboxylate is 8000 and the rosin modified sulfonate as the emulsifier, and the production process of tebuconazole and prochloraz is simplified.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a pesticide suspension and a production process thereof. Background technique [0002] Pesticides are the guarantee for agricultural production and bumper harvests. The harvest of crops lost due to diseases, insects, weeds, and rodents in the world is equivalent to one-third of the potential harvest. Once the use of drugs is stopped or serious inappropriate use of drugs, the harvest will be reduced by 25-40% after one year. Years later it will be reduced by 40-60% or even become extinct. [0003] The existing tebuconazole prochloraz suspending agent is mostly processed by a two-step method because of the low melting point of prochloraz, that is, the suspending agent + water emulsion method. This method has many product processing steps, and the product is difficult to stabilize. To solve this difficulty, we improved a lot of formulations, using polymeric carboxylate as dispe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/38A01N43/653A01N25/04A01P3/00A01P7/00
CPCA01N47/38A01N43/653A01N25/04
Inventor 朱冬冬林婷婷
Owner 江苏东南植保有限公司