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Water dispersion granules agent of dithane

A technology of Zinc and dispersible granules, which is applied in biocides, bactericides, biocides, etc., can solve the problems of harming human health, environmental pollution, and high cost of use, and achieves low environmental pollution, high bactericidal efficacy, and drug efficacy. fast effect

Active Publication Date: 2009-10-21
SHAANXI SUNGER ROAD BIO SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to develop a kind of high-content, environment-friendly, high utilization rate and easy-to-use Zinc water-dispersible granules in order to overcome the disadvantages of environmental pollution, harm to human health and high use cost in the prior art. and its content

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1 80% Zinc water dispersible granule

[0021] It is said to replace the original powder of Senzinc with 81%, the wetting agent sodium dodecylbenzene sulfonate 3%, the dispersant agent sodium lignosulfonate 6%, the disintegrating agent ammonium sulfate 2%, the diluent light calcium carbonate 5%, Mix it according to the general method, after stirring evenly, pulverize the mother powder with an airflow mill, mix the mother powder with 3% binder denatured sodium polyacrylate 80, then granulate, dry, and sieve to obtain about 96 % of 80% Zinc water dispersible granules. After inspection, the active ingredient content is 80.8%, the moisture content is 2.1%, the sieving (passing through a 75 μm sieve) is 98.3%, the suspension rate is 80%, the persistent foaming property (1min) is 10mL, the wettability is ≤1min, and the accelerated thermal storage stability is qualified. In practice, the amount of medicine used to prevent and control peanut leaf spot is 800 times, a...

Embodiment 2

[0022] Embodiment 2 70% Zinc water dispersible granules

[0023] It is said to replace 71% of the original zinc powder, 3% of the wetting agent alkyl sulfonate, 6% of the dispersing agent polycarboxylate, 6% of the disintegrating agent white carbon black, and 10% of the diluent diatomaceous earth. After mixing it evenly, it is pulverized by an airflow mill to obtain the mother powder, and the mother powder is mixed with 4% polyethylene glycol No. 72 binder evenly, then granulated, dried, and sieved to obtain about 96% of 70% Zinc water dispersible granules. After inspection, the active ingredient content is 70.7%, the moisture content is 1.9%, the sieving (passing through a 75 μm sieve) is 98.9%, the suspension rate is 83%, the persistent foaming property (1min) is 8mL, the wettability is ≤1min, and the accelerated thermal storage stability is qualified. The dose for preventing and treating peanut leaf spot is 600, and the control effect is 81-90%.

Embodiment 3

[0024] Embodiment 3 65% zinc water dispersible granules

[0025] Substituting 66% of Senzin powder, wetting agent sodium alkyl sulfate 3%, dispersing agent alkylphenol polyoxyethylene ether formaldehyde condensate sodium sulfate 6%, disintegrant attapulgite 8%, diluent kaolin 5% , light calcium carbonate 6%, after mixing it evenly, pulverize it through an airflow mill to obtain the mother powder, mix the mother powder with 6% denatured polyvinyl alcohol No. 3 binder, then granulate, dry, pass About 97% of the 65% zinc water dispersible granules were obtained by sieving. After inspection, the active ingredient content is 65.7%, the moisture content is 1.6%, the sieving (passing through a 75 μm sieve) is 99.1%, the suspension rate is 85%, the persistent foaming property (1min) is 9mL, the wettability is ≤1min, and the accelerated thermal storage stability is qualified. The dose for preventing and treating peanut leaf spot is 500 times, and the control effect is 78-96%.

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Abstract

The invention discloses an agricultural fungicide, namely zinc water dispersible granule. The zinc zinc water-dispersible granule of the present invention is in the form of regular or irregular granules, wherein the content of zinc zinc is (percentage by weight) 40%-80%. It is made by adding a certain proportion of wetting agent, dispersant, disintegrating agent, diluent and binder to the original drug of Zinc zinc, and mixing it evenly, and then crushing to obtain mother powder. The ionized water is evenly mixed, then granulated, dried, and sieved to obtain the zinc zinc water-dispersible granule. The granules overcome the disadvantages of wettable powders, and in the process of processing and use, reduce the use cost of farmers and the pollution to the environment. Due to the addition of additives with different components, the present invention has high content of active components and is easy to disintegrate. It has the advantages of fast speed, good dispersion performance and stable heat storage performance. It has high sterilization efficiency and good safety in use.

Description

technical field [0001] The invention relates to an agricultural fungicide, in particular to a zinc water dispersible granule. Background technique [0002] At present, there are many agricultural fungicides, and zinc is one of them. Zinc (English common name: zineb, chemical formula C 4 h 6 N 2 S 4 Zn) is a protective agent for foliar spraying, which has a strong contact effect on many pathogens such as downy mildew, late blight and anthracnose. It is safe for plants, and the chemical properties of the active ingredients are relatively active. It is easily oxidized into isothiocyanate compounds in water. It has a strong inhibitory effect on the enzymes containing -SH groups in pathogenic bacteria, and can directly kill the spores of pathogenic bacteria and inhibit the germination of spores. Prevent pathogens from invading plants, but have little killing effect on pathogenic mycelium that has invaded plants. Therefore, the use of Zinc to prevent and control diseases sho...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/28A01N25/14A01P3/00
Inventor 郑敬敏王同斌刘健毕标能张崇斌
Owner SHAANXI SUNGER ROAD BIO SCI
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