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A kind of high-concentration protective fungicide and preparation method thereof

A bactericide and protective technology, applied in the field of protective bactericide and its preparation, can solve the problems of low suspension rate, unstable quality, large particle size, etc., achieve high concentration, good bactericidal effect, and high copper content Effect

Inactive Publication Date: 2011-12-21
天津市绿亨化工有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the production of wettable powder requires high concentration of additives, fillers and original drugs, as well as the suspension rate of the product. At present, the wettable powder of cuprous oxide on the market mainly has a concentration of 86.2%, but this The particle size of similar products is large, the suspension rate is not high, and the bactericidal effect is not good
[0005] At present, the copper preparation widely used in the market is Bordeaux mixture, which is mostly used in fruit crops and has good sterilization and control effect. decline in quality

Method used

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  • A kind of high-concentration protective fungicide and preparation method thereof

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Comparison scheme
Effect test

Embodiment 1

[0017] Get 86.3g of cuprous oxide crude drug, 4g of desugared sodium lignosulfonate, 4g of sodium alkylnaphthalene sulfonate, 3g of talcum powder and 2.7g of white carbon black, after mixing, pulverize through a jet mill, and the resulting product enters the double helix cone Shaped mixer, mixed to prepare the fungicide.

Embodiment 2

[0019] Get 86.5g of the original cuprous oxide drug, 4g of desugared sodium lignosulfonate, 4g of sodium alkylnaphthalene sulfonate, 3g of talcum powder and 2.5g of white carbon black, after mixing, pulverize through a jet mill, and the resulting product enters the double helix cone. Shaped mixer, mixed to prepare the fungicide.

Embodiment 5

[0021] Get 88g of cuprous oxide crude drug, 3.5g of desugared sodium lignosulfonate, 3g of sodium alkylnaphthalene sulfonate, 2g of talcum powder and 2.5g of white carbon black, after mixing, pulverize through a jet mill, and the resulting product enters the double helix cone Shaped mixer, mixed to prepare the fungicide.

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Abstract

The invention provides a high-concentration protective fungicide and a preparation method thereof. The fungicide is composed of cuprous oxide, fillers and additives in a certain proportion, and is prepared by mixing, fluidized-bed jet crushing and remixing to obtain a high-concentration fungicide. Cuprous oxide bactericide, the fineness can reach 1200 mesh, the suspension rate is over 95%, it can make the particles of the active ingredients evenly suspended in the liquid medicine for a long time, so that the medicine sprayed before and after the spraying process The concentration of the solution is kept consistent, and it is evenly deposited on the target, so that the drug effect can be better exerted, and the bactericidal effect is good.

Description

technical field [0001] The invention belongs to the field of fungicides, in particular to a protective fungicide and a preparation method thereof. Background technique [0002] In recent years, large-scale fungal diseases have frequently occurred in agricultural planting in my country, especially in areas with a high degree of intensive fruit, flower and vegetable planting, which has brought huge economic losses to farmers. After extensive application of various pesticides, although diseases have been controlled, the excessive application of agricultural chemicals and high pesticide residues have not only led to many export returns, but also seriously threatened the safety of people's dining tables. Therefore, the development and development of high-efficiency and low-residue pollution-free pesticides is one of the urgent tasks to protect the sustainable development of agriculture in our country. [0003] Copper ions can inhibit the growth of bacteria and fungi, so many ant...

Claims

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Application Information

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IPC IPC(8): A01N59/20A01N25/14A01P3/00
Inventor 尹家楼刘建民顾云龙王薇窦占涛冯彦磊张静
Owner 天津市绿亨化工有限公司
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