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Nicosulfuron aqueous dispersion granules and preparation method thereof

A technology of nicosulfuron-methyl and dispersible granules is applied in the field of nicosulfuron-methyl water dispersible granules and their preparation, and can solve the problems of drug residues, crop phytotoxicity, burden and the like

Inactive Publication Date: 2018-12-21
ANHUI HUAXING CHEM IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, although nicosulfuron has a significant effect in removing weeds, it also has a certain impact on the growth of crops, which is unfavorable for the growth of crops such as corn, causing phytotoxicity in crops, affecting the plant height, leaves, etc. of crops. Factors such as quantity and output
At the same time, drug residues will also cause harm and burden to farmland and consumers

Method used

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  • Nicosulfuron aqueous dispersion granules and preparation method thereof

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Comparison scheme
Effect test

Embodiment 1

[0026] A nicosulfuron water-dispersible granule, which is composed of the following raw materials in parts by weight: nicosulfuron: 20 parts, anisomycin 8 parts, naiam 4 parts, cyprosulfonamide 5 parts, bisbenzoxazole 3 parts of acid, 8 parts of fatty alcohol sulfate ester salt, 5 parts of polyethylene glycol, 3 parts of silicone additives, 25 parts of kaolin, and 15 parts of talcum powder.

[0027] The preparation method of above-mentioned nicosulfuron water-dispersible granule comprises the following steps:

[0028] (1) Put nicosulfuron-methyl into a blender according to the parts by weight, add dispersant, kaolin, organic silicon auxiliary agent for grinding and mixing, add adhesive, pure water and heat up and stir for 30min, then granulate (d 1 = 1mm) dry, and get a semi-finished product after molding;

[0029] (2) Take naian, cyprosulfonamide, and isoxadifen according to parts by weight and put them into a blender to heat up and stir until the particles are completely di...

Embodiment 2

[0032] A nicosulfuron water-dispersible granule, which is composed of the following raw materials in parts by weight: Nicosulfuron: 25 parts, anisomycin 4 parts, naiam 6 parts, cyprosulfonamide 3 parts, bisbenzoxazole 6 parts of acid, 5 parts of fatty alcohol sulfate, 7 parts of polyethylene glycol, 2 parts of silicone additives, 30 parts of kaolin, and 10 parts of talcum powder.

[0033] The preparation method of above-mentioned nicosulfuron water-dispersible granule comprises the following steps:

[0034] (1) Take nicosulfuron in the mixer according to the parts by weight, add dispersant, kaolin, organosilicon auxiliary agent after grinding and mixing, add binder, pure water and heat up and stir for 40min, then granulate (d 1 =0.5mm) dry, and get semi-finished products after molding;

[0035] (2) Take naian, cyprosulfonamide, and isoxadifen according to parts by weight and put them into a blender to heat up and stir until the particles are completely dissolved, then add the...

Embodiment 3

[0038] A nicosulfuron water-dispersible granule, consisting of the following raw materials in parts by weight: nicosulfuron: nicosulfuron: 22 parts, anisomycin 7 parts, naiam 5 parts, cyprosulfonamide 3 parts , 5 parts of isoxadifen, 6 parts of dispersant, 6 parts of adhesive, 2 parts of silicone additives.

[0039] The preparation method of above-mentioned nicosulfuron water-dispersible granule comprises the following steps:

[0040] (1) Take nicosulfuron according to the number of parts by weight and put it into the mixer, add dispersant, kaolin, organosilicon auxiliary agent after grinding and mixing, add bonding agent, pure water and heat up and stir for 35min, then granulate (d 1 =0.8mm) dry, and get a semi-finished product after molding;

[0041] (2) Take naian, cyprosulfonamide, and isoxadifen according to the parts by weight and put them into a blender to heat up and stir until the particles are completely dissolved, then add the semi-finished product to the blender, ...

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Abstract

The invention provides nicosulfuron aqueous dispersion granules and a preparation method thereof, which relates to the field of pesticides. The nicosulfuron aqueous dispersion granules are prepared from the following raw materials in parts by weight: 20 to 25 parts of nicosulfuron, 4 to 8 parts of anisomycin, 4 to 6 parts of Nanan, 3 to 5 parts of cyclopropanesulfonyl amide, 3 to 6 parts of isoxadifen-ethyl, 5 to 8 parts of dispersion agent, 5 to 7 parts of adhesive, 2 to 3 parts of organic silicon aid, 25 to 30 parts of kaolin, and 10 to 15 parts of talcum powder. On the basis of the nicosulfuron, other ingredients are optimized, so that the harm effect of the nicosulfuron on crops can be alleviated.

Description

technical field [0001] The invention relates to the technical field, in particular to a nicosulfuron water-dispersible granule and a preparation method thereof. Background technique [0002] Nicosulfuron was discovered by Ishihara Sangyo Co., Ltd. in Japan. It is a sulfonylurea systemic herbicide jointly developed with DuPont in the late 1980s. It is often combined with other herbicides and treated with corn oil or industrial grade large herbicides. Soybean oil as a solvent not only enhances the control effect on weeds, but also can apply the pesticide when it sees the grass, without waiting for rainy weather. At the same time, nicosulfuron also has a certain sealing ability to the soil, and it can still be used 30 days after the test. Maintain a certain efficacy. [0003] However, although nicosulfuron has a significant effect in removing weeds, it also has a certain impact on the growth of crops, which is unfavorable for the growth of crops such as corn, causing phytotoxi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N43/08A01N41/06A01N43/80A01N25/32A01N25/04A01P13/00A01P21/00
CPCA01N25/04A01N25/32A01N41/06A01N43/08A01N43/80A01N47/36
Inventor 王玉贵李霞赵龙凯金奎尹仕兵汪志稳
Owner ANHUI HUAXING CHEM IND CO LTD
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