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High efficiency microemulsion of Cyhalothrin and its prepn. method

A high-efficiency cyfluthrin and microemulsion technology, which can be applied in the directions of botanical equipment and methods, biocides, animal repellents, etc., can solve the problems of production, storage and transportation safety, adverse effects on environmental protection and the like, and achieve low production and use costs. , reduce environmental pollution, improve the effect of drug efficacy

Inactive Publication Date: 2006-11-15
QINGDAO UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The extensive use of benzene solvents is not only detrimental to reducing the production cost of the product, but also has a negative impact on the safety of production, storage and transportation, and environmental protection.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

experiment example 1

[0026] Choose the recipe below:

[0027] Beta-cyfluthrin 1%

[0028] Toluene 2%

[0029] n-Butanol 4%

[0030] OP-7 2%

[0031] QK-7 10%

[0032] water to 100%

[0033] During production, dissolve the active drug of beta-cyfluthrin with toluene and n-butanol, add OP-7 and QK-7 emulsifiers, stir well, then slowly add the remaining water, and continue to stir for 15 to 20 minutes to obtain a homogeneous transparent liquid, namely A 1% beta-cyfluthrin microemulsion was obtained. The microemulsion of the present invention is diluted 1000 times of liquid, and the prevention and control effect of the wheat ear aphid is 95.8% one day after the drug is applied.

Embodiment 2

[0035] Choose the recipe below:

[0036] Beta-cyfluthrin 2.5%

[0037] Toluene 5%

[0038] Ethanol 5%

[0039] Azone 1.5%

[0040] Butanobuterol 5%

[0041] Butanol 5%

[0042] QK-7 15%

[0043] No. 700 2%

[0044] water to 100%

[0045] The preparation method was the same as in Example 1 to obtain 2.5% beta-cyfluthrin microemulsion. The microemulsion of the present invention has a control effect of 94.1% after 2000 times of dilution of the drug for preventing and controlling diamondback moth.

Embodiment 3

[0047] Choose the recipe below:

[0048] Beta-Cyfluthrin 5%

[0049] Toluene 8%

[0050] Ethanol 4%

[0051] n-Butanol 5%

[0052] Rapid Penetrant T 5%

[0053] QK-7 emulsifier 17%

[0054] No. 601 2%

[0055] Urea 5%

[0056] water to 100%

[0057] The preparation method was the same as in Example 1 to obtain 5% lambda-cyfluthrin microemulsion. The microemulsion of the present invention has a control effect of 96.0% after being diluted 5000 times with the drug for preventing and controlling cabbage worm.

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PUM

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Abstract

An effective insecticiding and miticiding microemulsion is proportionally prepared from beta-cyfluthrin, emulsifier, solvent, synergistic assistant, stabilizer and water through dissolving, adding others, and stirring while slowly adding residual water until it becomes transparent.

Description

technical field [0001] The invention relates to a new dosage form of high-efficiency-cyfluthrin microemulsion, in particular high-efficacy-cyfluthrin microemulsion and a production method thereof. Background technique [0002] Beta-cyfluthrin, also known as Baist, English name Naythroid, CA subject index name and CAS accession number: cyano(4-fluoro-3-phenoxyphenyl)methyl-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate( 9CI) [68359-37-5]. [0003] Chemical formula: [0004] Molecular weight: 434.3. The pure product is white crystal and tasteless. Beta-cyfluthrin microemulsion is a transposition product of cyfluthrin, so it is more effective than cyfluthrin. The product has the characteristics of high efficiency, broad spectrum, moderate toxicity, low residue, long-lasting effect, good quick-acting, and low resistance. , fruits and vegetables, tobacco, tea and other crop pests, the prevention and control of harmful mites, once used as the first choice of py...

Claims

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Application Information

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IPC IPC(8): A01N53/06A01N25/04
Inventor 许良忠建方方黄永伟于观平
Owner QINGDAO UNIV OF SCI & TECH
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