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Application of sodium heavy alkyl benzene sulfonate in pesticide-fertilizer granules

A technology of sodium heavy alkylbenzene sulfonate and granules, which is applied in the field of insecticides, can solve the problems of long time to market, reduced bactericidal effect, and large dosage, so as to reduce preparation costs, improve nematode and bactericidal, bactericidal and bactericidal The effect of nematode synergistic

Inactive Publication Date: 2021-08-20
HEBEI VEYONG BIO CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Fluopyram is an excellent nematicide fungicide with a molecular weight of 396.71, a melting point of 117.5°C, and a solubility in water of about 16mg / L (20°C); Fluopyram is a new generation of excellent nematicides , the 41.7% fluopyram suspension listed by Bayer Company, registered trademark: Lu Fuda, which has good nematicide activity, due to its long time on the market and large dosage, the resistance caused has been highlighted, especially When used as a fungicide, the bactericidal effect has been greatly reduced

Method used

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  • Application of sodium heavy alkyl benzene sulfonate in pesticide-fertilizer granules
  • Application of sodium heavy alkyl benzene sulfonate in pesticide-fertilizer granules
  • Application of sodium heavy alkyl benzene sulfonate in pesticide-fertilizer granules

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preparation example Construction

[0019] The preparation method comprises the following steps:

[0020] S1 Mix urea and solubilizing synergist-sodium heavy alkylbenzene sulfonate in a gravity-free mixer until there is no sticky lump, transfer it to a heating kettle, heat the mixture to melt to obtain a melt, stop heating and add raw material fluorine Fluopyram, stirring until all fluopyrams are dissolved; wherein, the heating temperature is 79-96°C;

[0021] S2 Pump the molten liquid into the fluidized bed, spray granulation, add a small amount of masterbatch at the bottom of the silo, and the grown particles flow out of the fluidized bed, sieve, and select 2-3mm product particles;

[0022] S3 product pellet cooling, packaging.

[0023] Wherein, the particles larger than 3 mm in step S2 are pulverized and returned to step S1, and the particles smaller than 2 mm continue to be used as master batches.

[0024] The present invention finds that sodium heavy alkylbenzene sulfonate can significantly improve nemato...

Embodiment 1

[0025] Example 1 1% fluopyram medicinal fertilizer granule

[0026] Each component is weighed according to the following mass percentage:

[0027] Fluopyram 1%

[0028] Sodium heavy alkylbenzene sulfonate 1%

[0029] Urea Balance

[0030] Preparation:

[0031] S1 According to the above ratio, mix urea and solubilizing synergist-sodium heavy alkylbenzene sulfonate in a gravity-free mixer until there is no sticky lump, transfer it to a heating kettle, heat the mixture to melt to obtain a molten liquid, and stop heating Then add the raw material fluopyram and stir until the fluopyram is completely dissolved; the melting temperature is 79-96°C.

[0032] S2 Pump the molten liquid into the fluidized bed, spray and granulate, add a small amount of masterbatch at the bottom of the silo, wait for the grown particles to flow out of the fluidized bed, sieve them, and select product particles of 2 to 3 mm. If it is larger than 3mm, return to step S1 after crushing, and the particles ...

Embodiment 2

[0034] Example 2 10% fluopyram medicinal fertilizer granule

[0035] Each component is weighed according to the following mass percentage:

[0036] Fluopyram 10%

[0037] Sodium heavy alkylbenzene sulfonate 11%

[0038] Urea balance

[0039] Preparation method: with embodiment 1

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Abstract

The invention discloses application of sodium heavy alkyl benzene sulfonate in pesticide-fertilizer granules, wherein the pesticide-fertilizer granules are composed of fluopyram, sodium heavy alkyl benzene sulfonate and urea, and the mass percentage of the fluopyram is 1-20%, the mass percentage of the sodium heavy alkyl benzene sulfonate is 0.7-23%, and the balance is urea. Due to the sodium heavy alkyl benzene sulfonate, the pesticide-fertilizer granules can be quickly dissolved in water, are convenient to use, can be used by spraying and can also be directly applied and scattered, and the melting temperature in the preparation process is reduced.

Description

technical field [0001] The invention relates to the field of pesticides, in particular to the use of sodium heavy alkylbenzene sulfonate in medicinal fertilizer granules. Background technique [0002] Fluopyram is an excellent nematicide fungicide with a molecular weight of 396.71, a melting point of 117.5°C, and a solubility in water of about 16mg / L (20°C); Fluopyram is a new generation of excellent nematicides , the 41.7% fluopyram suspension listed by Bayer Company, registered trademark: Lu Fuda, which has good nematicide activity, due to its long time on the market and large dosage, the resistance caused has been highlighted, especially When used as a fungicide, the bactericidal effect has been greatly reduced. [0003] Second, because fluopyram has low solubility, high melting point, and is stable in water, it is often prepared as a suspension. Compared with its water-dispersible granules, fluopyram suspension concentrate is less likely to cause phytotoxicity, more co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/40C05G3/60C05G5/12A01N43/40A01N25/30A01N25/12A01P1/00A01P5/00
CPCA01N25/12A01N25/30A01N43/40C05C9/00C05G3/44C05G3/60C05G5/12
Inventor 张文树唐兴敏李宏敏张少飞张连松侯红欣柴方堃贾成国
Owner HEBEI VEYONG BIO CHEM
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