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A kind of difenoconazole dispersible oil suspension concentrate and its preparation method and application

A technology of difenoconazole and dispersing oil, which is applied in the direction of botanical equipment and methods, applications, biocides, etc., and can solve the problem that the anti-rainwater erosion ability has not been well effected, restricts efficient, safe and scientific use, Target crops with poor wetting and deposition properties, etc., to achieve the effect of reducing the loss of pesticides, improving deposition and retention efficiency, and improving effective utilization

Active Publication Date: 2018-07-06
北京绿城堡农业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These traditional dosage forms have poor wetting and deposition performance on the target crops and serious loss of water and liquid medicine during use. On the one hand, a large amount of medicine is wasted, and on the other hand, it also causes a series of problems such as environmental pollution, which is the key to restricting its efficient, safe and scientific use. technical problem
[0003] CN101785455A discloses a pesticide oil suspension, including pesticide active ingredients, emulsifier, defoamer and dispersion medium, and discloses the preparation method of the pesticide oil suspension, but this invention fails to reflect the deposition of the pesticide active ingredients on the target Problems with higher effective utilization ratios associated with retention efficiencies
However, the product has not achieved good results in terms of rain erosion resistance and drug efficacy, and the application range is narrow. It is necessary to further improve the production process to improve product characteristics.

Method used

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  • A kind of difenoconazole dispersible oil suspension concentrate and its preparation method and application
  • A kind of difenoconazole dispersible oil suspension concentrate and its preparation method and application
  • A kind of difenoconazole dispersible oil suspension concentrate and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] In a 1500 ml glass jar, add 777.4 grams of a 2:1 mixture of pine resin-based vegetable oil and methylated vegetable oil, dibenzyl biphenyl polyoxyethylene ether + styrylphenyl polyoxyethylene ether + triphenyl Ethylphenol polyoxypropylene polyoxyethylene block polymer 5:4:4 mixture 50 grams, alkyl sulfate and phosphoric acid ester 1:1 mixture 10 grams, isopropanol 40 grams, stir and mix evenly; add purity It is 52.9 grams of 95% difenoconazole technical material and 80 grams of fumed white carbon black. After stirring and mixing, shear at high speed (6000-8000r / min) for 5 minutes, and then enter the sand mill for grinding. When the main technical indicators meet the standard requirements After that, 5% difenoconazole dispersible oil suspension concentrate was obtained.

Embodiment 2

[0028] In a 1500 ml glass flask, add 662.1 grams of turpentine-based vegetable oil, dibenzyl biphenyl polyoxyethylene ether + styrylphenyl polyoxyethylene ether + triphenylethylphenol polyoxypropylene polyoxyethylene embedded 70 grams of a 5:4:4 mixture of segmented polymers, 20 grams of a 1:1 mixture of alkyl sulfates and phosphates, and 30 grams of octanol, stir and mix well; then add 157.9 grams of difenoconazole with a purity of 95% gram, 60 grams of diatomaceous earth, after stirring and mixing, shear at high speed (6000-8000r / min) for 5 minutes, and then enter the sand mill for grinding. When the main technical indicators meet the standard requirements, 15% difenoconazole dispersible oil suspension.

Embodiment 3

[0030] In a 1500ml glass flask, add 609.5g of a 2:1 mixture of turpentine-based vegetable oil and methylated vegetable oil, dibenzyl biphenyl polyoxyethylene ether + styrylphenyl polyoxyethylene ether + triphenylethyl ether 70 grams of a 5:4:4 mixture of phenol-polyoxypropylene-polyoxyethylene block polymers, 30 grams of a 1:1 mixture of alkyl sulfates and phosphate esters, 40 grams of a 2:1 mixture of isopropanol and octanol, and stir Mix evenly; then add 210.5 grams of difenoconazole technical material with a purity of 95%, 40 grams of a 1:3 mixture of fumed silica and diatomaceous earth, stir and mix, and shear at high speed (6000-8000r / min) for 5 minutes. Then it enters into a sand mill for grinding, and when the main technical indicators meet the standard requirements, a 20% difenoconazole dispersible oil suspension concentrate is obtained.

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Abstract

The invention relates to a dispersible oil suspension of difenoconazole, and a preparation method and application thereof. The dispersible oil suspension of difenoconazole comprises the following raw materials: difenoconazole, a nonionic surfactant, an anionic surfactant, a cosurfactant, a stabilizing agent and a dispersion medium, wherein the nonionic surfactant is a mixture of dibenzyl biphenyl polyoxyethylene ether, styrylphenyl polyoxyethylene ether and a triphenylethyl phenol polyoxypropylene polyoxyethylene block polymer, and the anionic surfactant is a mixture of alkyl sulfate and phosphate esters. The preparation method is simple and short in preparation period; and the prepared dispersible oil suspension of difenoconazole is mainly applied to vegetable, fruit trees and grapevines for prevention and treatment of fungal diseases. The dispersible oil suspension of difenoconazole has the characteristics of a high suspension rate, good adhesion, strong resistance to rain wash, high pesticide utilization rate, good stability and low environmental pollution.

Description

technical field [0001] The invention belongs to the technical field of pesticide formulation processing, and in particular relates to a difenoconazole dispersible oil suspension and a preparation method and application thereof. Background technique [0002] With the improvement of global ecological environment and health awareness, the development of pesticide formulations is developing in the direction of high efficiency, low toxicity and low residue. In the current situation where the creation of new pesticide compounds is becoming more and more difficult, improving the performance of pesticides and giving full play to the biological activity and efficacy of active ingredients through advanced formulation processing methods has become an effective way to improve the effectiveness of pesticide control, reduce residual pollution, and save pesticide application costs. important way. Currently registered dosage forms mainly include emulsifiable concentrate, wettable powder, s...

Claims

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Application Information

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IPC IPC(8): A01N43/653A01N25/04A01P3/00
CPCA01N25/04A01N43/653A01N2300/00
Inventor 曹立冬黄啟良曹冲李凤敏郑永权
Owner 北京绿城堡农业科技有限公司
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