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Water-soluble polyoxins effervescing agent and preparation method thereof

A technology of polydoxamycin and effervescent agent, applied in the field of pesticides, can solve the problems such as the lack of research on water-soluble effervescent agent of polydoxanthin, reduce mixing time and manpower, the preparation method is simple and feasible, and the amount of dust generated less effect

Inactive Publication Date: 2018-05-08
陕西麦可罗生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] But in the prior art, there is no research on the polyoxin water-soluble effervescent agent. For the problems in the prior art, the applicant has developed the polyoxin water-soluble effervescent agent through years of tests. The production link has Less dust generation, easy to use, safety and environmental protection, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Weigh 80kg of polyethylene glycol, heat to 65°C to dissolve evenly, then add 26.67kg of absolute ethanol and stir evenly for later use. Simultaneously accurate 34% polyoxin 28.82kg, citric acid 70kg, sodium bicarbonate 60kg, ammonium sulfate 734.51kg. Evenly mix the polyethylene glycol ethanol solution into the above-mentioned mixture of polyoxin, citric acid, sodium bicarbonate and ammonium sulfate, stir evenly, put it into an extrusion granulator for granulation, and place the granules in a tray. Dry in an oven at 50°C for 2 hours, and then screen on a 60-mesh vibrating sieve. 962kg of 10% effervescent granules, 12kg of sieved powder should be stored in a moisture-proof manner, and will be used in the next granulation. The effervescent granule is put into water to generate bubbles quickly, and all dissolve after 80 seconds, and the solution is clear and transparent, without visible impurities.

Embodiment 2

[0034] Weigh 80kg of polyethylene glycol, heat to 65°C to dissolve evenly, then add 26.67kg of absolute ethanol and stir evenly for later use. At the same time, accurate 34% polyoxin was 2.88kg, citric acid was 70kg, sodium bicarbonate was 60kg, and ammonium chloride was 760.45kg. Evenly mix the polyethylene glycol ethanol solution into the above-mentioned mixture of polyoxin, citric acid, sodium bicarbonate and ammonium sulfate, stir evenly, put it into an extrusion granulator for granulation, and place the granules in a tray. Dry in an oven at 50°C for 2 hours, and then screen on a 60-mesh vibrating sieve. 964.2kg of 1% effervescent granules and 11.1kg of sieved powder should be stored in a moisture-proof manner for next time granulation. The effervescent grains are put into water to generate foam quickly, and all dissolve after 84 seconds, and the solution is clear and transparent, without visible impurities.

Embodiment 3

[0036] Weigh 80kg of polyethylene glycol, heat to 65°C to dissolve evenly, then add 26.67kg of absolute ethanol and stir evenly for later use. At the same time, 14.41kg of 34% polyoxin, 70kg of citric acid, 60kg of sodium bicarbonate, and 828.92kg of potassium sulfate were used. Evenly mix the polyethylene glycol ethanol solution into the above-mentioned mixture of polyoxin, citric acid, sodium bicarbonate and ammonium sulfate, stir evenly, put it into an extrusion granulator for granulation, and place the granules in a tray. Dry in an oven at 50°C for 2 hours, and then screen on a 60-mesh vibrating sieve. 961kg of 5% effervescent granules and 12.5kg of sieved powder should be stored in a moisture-proof manner, and will be used in the next granulation. The effervescent grains are put into water to generate foam quickly, and all dissolve after 82 seconds, and the solution is clear and transparent, without visible impurities.

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Abstract

The invention relates to a water-soluble polyoxins effervescing agent and a preparation method thereof. The water-soluble polyoxins effervescing agent is composed of the following raw materials in percentage by mass: 1 to 10% of a polyoxins raw drug, 5 to 15% of an acid disintegrant, 3 to 10% of an alkaline disintegrant, 0 to 10% of a binder, 0 to 4% of a binder solvent and the balance of being filler. The method can be used for producing polyoxins effervescing agent with content of 1 to 10%, and the product is completely dissolved; during the production process, a small amount of dust is generated, and the dust is not generated during use; and as the polyoxins is easily soluble in water, the dosage form is more reasonable by compared with wettable powder. During the use, the product is easy to mix with water and the labor cost is reduced.

Description

technical field [0001] The invention belongs to the field of pesticides, and in particular relates to a polyoxin water-soluble effervescent agent and a preparation method thereof. Background technique [0002] Polyoxin is a peptide pyrimidine nucleoside microbial biopesticide, which is stable in weakly acidic aqueous solution. Polyoxin is mainly used for the prevention and control of plant fungal diseases such as tobacco red spot and Panax notoginseng black spot. At present, the most registered dosage form in China is wettable powder. However, with the continuous development of pesticide dosage forms, the production and processing of wettable powders generate a large amount of dust, the pressure on occupational health prevention and control is high, it is difficult to mix when using, and it is labor-intensive and time-consuming. [0003] Chinese patent application 201710039726 relates to a polyoxin wettable powder, method and application for preventing and treating brown s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/12A01N47/12A01P3/00
CPCA01N25/12A01N47/12
Inventor 杨宏勃潘忠成高波郑鹏飞李蒲民
Owner 陕西麦可罗生物科技有限公司