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A kind of Thiobacterium copper water dispersible granule and preparation method thereof

A technology of thiophanate copper and dispersible granules, which is applied in the fields of botanical equipment and methods, fungicides, biocides, etc., can solve the problems of poor disintegration and low suspension rate, and achieves less application times, good control effect, and reduced use. The effect of frequency and dosage

Active Publication Date: 2016-08-24
ZHEJIANG LONGWAN CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In order to overcome the deficiencies in the above-mentioned current technology, the present invention provides a kind of thiobacterium copper water-dispersible granule that has broad-spectrum sterilization, low toxicity, and high-efficiency prevention and treatment of bacterial diseases of crops. The present invention selects specific auxiliary materials through a lot of creative work Components and proportioning are used to solve the problems of poor disintegration and low suspension rate of the preparation, and at the same time improve the control efficacy of thiabactin copper; the present invention also effectively utilizes the salt by-products ammonium sulfate and chloride in the synthesis process of thiabactin copper Sodium and sodium sulfate are used as the preferred disintegrant and filler components in thiabactin copper water-dispersible granules, which reduces production costs, improves resource utilization, and achieves low consumption, less emissions, recycling, and sustainable production The model is in line with the national policy of building a resource-saving and environment-friendly society. It is an economical, green and environmentally friendly dosage form processing technology that meets the technical requirements of "green chemical industry".

Method used

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  • A kind of Thiobacterium copper water dispersible granule and preparation method thereof
  • A kind of Thiobacterium copper water dispersible granule and preparation method thereof
  • A kind of Thiobacterium copper water dispersible granule and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 110

[0053] Embodiment 1 10% thiabendin copper water dispersible granule

[0054] Step 1. Preparation of aqueous binder solution: put a certain amount of water into a spiral mixer and heat to 70-90°C, then add 3 parts of polyvinyl alcohol, stir for at least 1 hour, and set aside for later use;

[0055] Step 2. Preparation of the product: 10 parts of Thiobacterium copper, 6 parts of vinyl ether sulfate, 8 parts of sodium methylene bis-naphthalene sulfonate, 20 parts of phenyl salicylate, 4 parts of dextrin, polyether disinfectant 1 part of foaming agent, 3 parts of sodium nitrophenolate, 0.5 part of pine ester-based vegetable oil, the prepared aqueous binder solution and high clay make up to 100 parts, put it into a mixing kettle or a shearing kettle, and mix it into a uniform slurry. Then it is ground by a sand mill for 10-150 minutes, filtered to remove the sand grinding medium, and finally sprayed and granulated by a pressure spray drying tower, screened, analyzed and tested, and...

Embodiment 215

[0057] Embodiment 2 15% Thiobacterium Copper Water Dispersible Granules

[0058] Step 1. Preparation of Thiobacterium copper parent powder: Weigh 15 parts of Thiobacterium copper, 7 parts of alkylnaphthalene sulfonate, 8 parts of polymer carboxylate, 30 parts of sodium chloride, and 4 parts of polyether defoamer in parts by weight. 1 part, 4 parts of diethyl hexanoate, 2 parts of Silwet L-700, 95 parts of high clay, put into the spiral mixer and mix for 15-20 minutes, adjust the speed of the classifier and the feeder, and then turn on the jet mill for Airflow crushing, the crushed material enters the gravity-free mixer, and mixes again for 20-30 minutes, after the particle size is detected to be less than 10 microns, the material is discharged and set aside;

[0059] Step 2. Preparation of aqueous binder solution: Put a certain amount of water into a spiral mixer and heat to 70-90°C, then add 5 parts of polyvinyl alcohol, stir for at least 1 hour, and set aside for later use; ...

Embodiment 325

[0062] Embodiment 3 25% Thiobacterium Copper Water Dispersible Granules

[0063] Step 1. Preparation of Thiobacterium Copper Mother Powder: 25 parts of Thiobacterium Copper, 0.5 parts of Brassin, 6 parts of Sodium Lauryl Polyoxyethylene Ether Sulfate, 25 parts of Sodium Chloride, and 2 parts of Fatty Alcohol Polyoxyethylene Ether , 4 parts of silicone defoamer, 3 parts of palm kernel oil fatty acid methyl ester, 97 parts of pottery clay, put into the screw mixer and mix for 15-20 minutes, adjust the speed of classifier and feeder, and then turn on the jet mill Carry out airflow crushing, and the crushed material enters the gravity-free mixer and mixes again for 20-30 minutes. After the particle size is detected to be below 10 microns, the material is discharged and set aside;

[0064] Step 2. Preparation of binder aqueous solution: put a certain amount of water into a spiral mixer and heat to 70-90°C, then add 3 parts of binder, stir for at least 1 hour, and set aside for late...

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Abstract

The invention discloses a water-dispersible granule of thiabactin copper and a preparation method thereof. 1-30 parts of agent, 0.5-5 parts of binder, 0.5-5 parts of defoamer, 0.5-5 parts of plant growth regulator, 0.5-3 parts of synergist, and 100 parts of filler. The preparation method comprises the following steps: after uniformly mixing thiabactin and various auxiliary materials in proportion, pulverizing the mixture through a pulverizer to obtain mother powder; mixing the mother powder and binder aqueous solution evenly, granulating and forming, and drying; The dried granular matter is sieved, analyzed and inspected, and then discharged, packaged, and put into storage. Thiobacterium copper water dispersible granule of the present invention is organocopper broad-spectrum bactericide, all has better control effect to various bacterial and fungal diseases, has no pollution to crops, has no residue, and the preparation of the present invention has It has the advantages of good disintegration, high suspension rate and stable heat storage performance.

Description

technical field [0001] The invention relates to the field of pesticide preparations, in particular to a water-dispersible thiabactin copper granule and a preparation method thereof. Background technique [0002] Thiodiazole-copper, chemical name: 2-amino-5-mercapto-1,3,4-thiadiazole copper, molecular formula C 4 h 4 N 6 S 4 Cu, a broad-spectrum organic copper fungicide, has good control effects on both bacterial and fungal diseases. It has systemic, therapeutic and protective effects, long-lasting effect, stable drug effect, and is safe to crops. And the therapeutic effect is greater than the protective effect. It is a new generation of high-efficiency, low-toxicity, broad-spectrum fungicide for the prevention and treatment of bacterial diseases of crops. It has good control effects on various bacterial and fungal diseases, and has no pollution to crops. No residue. It can be widely used in the prevention and control of more than 60 kinds of bacterial and fungal diseas...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N25/14A01N43/824A01N47/36A01N57/20A01P1/00A01P3/00A01P21/00A01N37/12
Inventor 张学郎
Owner ZHEJIANG LONGWAN CHEM
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