High-chlorine-propoxur suspending agent, and preparation method and application thereof

A technology of propoxur and suspending agent, applied in the field of pesticides, can solve the problems of waste of labor and packaging materials, unstable product quality, environmental pollution, etc., achieve fast knockdown speed, ensure stability and performance, and high kill rate Effect

Inactive Publication Date: 2020-07-03
南通联农佳田作物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The dosage forms of single-dose products mainly include emulsifiable concentrate and wettable powder. The product is obtained by mixing the two materials or jet milling. If the process is not well controlled, it is easy to cause unstable product quality. At the same time, the filler in the wettable powder is harmful to the product. There will be compaction problems in the soil
At the same time, single-dose products waste labor and packaging materials, causing greater environmental pollution

Method used

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  • High-chlorine-propoxur suspending agent, and preparation method and application thereof
  • High-chlorine-propoxur suspending agent, and preparation method and application thereof
  • High-chlorine-propoxur suspending agent, and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0086] Such as figure 1 Shown, present embodiment discloses a kind of preparation method of high chlorine-propoxur suspension concentrate, described method comprises:

[0087] S1. Add water to the reaction vessel, and add auxiliary agents, crystal inhibitors and anti-decomposition agents to the reaction vessel under stirring; the auxiliary agents include wetting agents, dispersants, defoamers and binders ;

[0088] S2. In the stirring state, add propoxur and beta-cypermethrin to the reaction vessel in sequence, and stir evenly to obtain a mixed slurry;

[0089] S3. Sand-milling the mixed slurry to obtain a sand-milled slurry;

[0090] S4. Add antifreeze, binder, and thickener to the sanding slurry in a stirring state;

[0091] S5. Add preservatives, defoamers and pH regulators to the reaction system under stirring to adjust the pH of the mixed solution to 4.0-6.0 to obtain a high chloride-propoxur suspension.

[0092] Wherein, the step S3 includes:

[0093] S301. Turn on ...

Embodiment 2

[0112] This embodiment discloses a kind of preparation method of high chlorine-propoxur suspension concentrate, described method comprises:

[0113] S1. Add water to the reaction vessel, and add auxiliary agents, crystal inhibitors and anti-decomposition agents to the reaction vessel under stirring; the auxiliary agents include wetting agents, dispersants, defoamers and binders ;

[0114] S2. In the stirring state, add propoxur and beta-cypermethrin to the reaction vessel in sequence, and stir evenly to obtain a mixed slurry;

[0115] S3. Sand-milling the mixed slurry to obtain a sand-milled slurry;

[0116] S4. Add antifreeze, binder, and thickener to the sanding slurry in a stirring state;

[0117] S5. Add preservatives, defoamers and pH regulators to the reaction system under stirring to adjust the pH of the mixed solution to 4.0-6.0 to obtain a high chloride-propoxur suspension.

[0118] Wherein, the step S3 includes:

[0119] S301. Turn on the sand mill and turn on th...

Embodiment 3

[0137] The present embodiment adopts 15% beta-cypermethrin-propoxur suspending agent (the mass fraction of beta-cypermethrin and propoxur is 15%) to carry out drug efficacy test, and detects the effect of 15% beta-cypermethrin-propoxur suspending agent on Culex palustris and German cockroach Laboratory residual spraying effects.

[0138] (1) Selection of test subjects

[0139] Test insects: Culex pipiens pallens: 3-5 days after eclosion, non-blood-sucking female adult mosquitoes,

[0140] German cockroach (Blattella germanica), 10-15 days old adults, half male and half male.

[0141] Source: Breeding Room of XX Provincial Center for Disease Control and Prevention.

[0142] (2) Test drug

[0143] Sample name: 15% beta-cypermethrin·propoxur suspension concentrate.

[0144] Specifications: 250g / bottle.

[0145] Dosage form: suspension.

[0146] Active ingredients and content: beta-cypermethrin 8.5%, propoxur 6.5%.

[0147] (3) Environmental conditions

[0148] The tempera...

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Abstract

The invention discloses a preparation method of a high-chlorine-propoxur suspending agent. The method comprises the following steps: S1, adding water into a reaction container, and adding an assistant, a crystal inhibitor and an anti-decomposition agent into the reaction container under a stirring state; S2, in the stirring state, sequentially adding propoxur and beta-cypermethrin into the reaction container, and uniformly stirring to obtain a mixed slurry; S3, sanding the mixed slurry to obtain a sanded slurry; S4, in the stirring state, adding an anti-freezing agent, a binding agent and a thickening agent into the sanded slurry; and S5, in the stirring state, adding a preservative, a defoaming agent and a pH regulator into the reaction system to adjust the pH of the mixed solution to 4.0-6.0 to obtain the high-chlorine-propoxur suspending agent. The high chlorine-propoxur suspending agent prepared in the invention is environment-friendly, high in safety, long in lasting period on sanitary pests and high in contact killing rate.

Description

technical field [0001] The invention belongs to the field of pesticides, and in particular relates to a high chlorine-propoxur suspension concentrate and its preparation method and application. Background technique [0002] Sanitation pests can cause direct or indirect harm to human health and seriously affect people's normal life. They include mosquitoes, horseflies, midges, gnats, sandflies, flies, cockroaches (cockroaches), fleas, lice, bedbugs of the class Insecta and ticks of the class Arachnida, gambas, chiggers, scabies , Demodex, acaroid mites, catfish, etc. [0003] At present, single-dose products of beta-cypermethrin and propoxur occupy a large proportion in the control of sanitary pests. [0004] Beta-cypermethrin is a pyrethroid insecticide with high biological activity. It is a high-efficiency isomer of cypermethrin and has contact and stomach poisoning effects. The agent has a wide insecticidal spectrum, fast knockdown speed, and higher insecticidal activit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/22A01N53/08A01N25/04A01P7/04
CPCA01N25/04A01N47/22A01N53/00
Inventor 吴建兰仲苏林陈玲玲章东生胥亚云曹新梅
Owner 南通联农佳田作物科技有限公司
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