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Ultra-low-volume liquid agent containing boscalid

A technology of ultra-low-capacity liquid preparation, boscalid, which is applied in the field of pesticides, can solve problems such as the advent of ultra-low-volume liquid preparations containing boscalid, and achieve good synergistic effect, low production cost, and improved Effect of Pesticide Utilization Efficiency

Active Publication Date: 2014-05-21
GAUNGXI TIANYUAN BIOCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] At present, the commercially available boscalid preparations include suspension concentrates, emulsifiable concentrates, etc., mainly suspension concentrates, and no ultra-low-volume liquid preparations containing boscalid have come out.

Method used

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  • Ultra-low-volume liquid agent containing boscalid
  • Ultra-low-volume liquid agent containing boscalid

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Preparation of 40.1% boscalid·metalaxyl ultra-low volume liquid

[0048] Weigh 0.1kg boscalid, 40.0kg metalaxyl, 5.0kg N-methylpyrrolidone, 5.0kg N,N-dimethylacetamide, 2.5kg n-octanol, 0.5kg calcium dodecylbenzenesulfonate , 0.5kg phenethylphenol polyoxyethylene ether, 46.4kg second-line oil, spare.

[0049] First, add part of the solvent to the mixing tank with a stirrer, and stir the solvent. At the same time, add boscalid into the reactor. After the complete dissolution of boscalid, add the remaining components into the reactor, and stir. Mix evenly to obtain ultra-low volume liquid. The stirring speed is 60-150 rpm, and the total stirring time is 15-60 minutes.

[0050] The preparation method of following embodiment is the same as embodiment 1

Embodiment 2

[0052] Preparation of 25% boscalid·metalaxyl ultra-low volume liquid

[0053] Weigh 15.0kg boscalid, 10.0kg metalaxyl, 8.0kg N-methylpyrrolidone, 10.0kg N,N-dimethylformamide, 3.0kg n-hexanol, 2.5kg calcium dodecylbenzenesulfonate, 3.0kg alkylphenol polyoxyethylene ether, 48.5kg second-line oil, spare. Its preparation method is with embodiment 1.

Embodiment 3

[0055] Preparation of 15.1% Boscalid Dimethomorph Ultra-Low Volume Liquid

[0056] Weigh 15.0kg boscalid, 0.1kg dimethomorph, 8.0kg N-methylpyrrolidone, 5.0kg N,N-dimethylformamide, 7.0kg calcium dodecylbenzenesulfonate, 3.0kg styrene Base phenol polyoxyethylene ether, 61.9kg corn oil, standby. Its preparation method is with embodiment 1.

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Abstract

The invention discloses an ultra-low-volume liquid agent containing boscalid and a preparation method of the liquid agent, aiming at solving the problem boscalid in market is made into suspension, missible oil and the like, and is mainly made into the suspension, but no ultra-low-volume liquid agent containing boscalid is available. The ultra-low-volume liquid agent comprises boscalid, an additive and a solvent. The liquid agent takes boscalid as an active component, and through mutual cooperation with the additive, the solvent and a second active solvent, the ultra-low-volume liquid agent with boscalid is prepared. The ultra-low-volume liquid agent disclosed by the invention has a high synergistic interaction effect, can effectively delay happening of disease resistance, is high in fast-acting property, long in lasting period and high in working effect, can effectively improve the utilization rate of pesticide, and is applicable to prevention of powdery mildew, botrytis, various rot diseases, brown rot, root rot and the like. Besides, the invention further provides a preparation method of the ultra-low-volume liquid agent. The method is simple in process and convenient to process.

Description

technical field [0001] The invention relates to the field of pesticides, in particular to an ultra-low volume liquid containing boscalid and a preparation method thereof. Background technique [0002] The ultra-low-volume liquid preparation is a solvent with low volatility, high flash point, good solubility to the original drug, low phytotoxicity to crops, and low viscosity. It does not mix water when spraying, but uses an ultra-low-volume spray device , low-volume spray equipment or ultra-low volume electrostatic spray equipment for direct application. During the spraying process of ultra-low volume solvents, since the droplets do not contain highly volatile components, the size and mass of the droplets do not change significantly when they leave the spray device and reach the target, thus effectively reducing volatilization and drift. At the same time, the mist droplets are small and uniform, which meets the requirements of "biologically optimal granules", and significant...

Claims

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Application Information

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IPC IPC(8): A01N43/40A01N25/06A01P3/00
Inventor 朱华龙卢镇黄华唐卫王群利
Owner GAUNGXI TIANYUAN BIOCHEM
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