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Granular agrochemical composition

A pesticide composition and granular technology, applied in the directions of biocides, animal repellents, plant growth regulators, etc., can solve the problems of hindering distribution, manufacturing difficulties, and limiting the content of active ingredients of pesticides, and achieves easy distribution, diffusivity, etc. Improved, good disintegration effect

Active Publication Date: 2018-04-17
KUMIAI CHEM IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the other hand, for the agrochemical composition compounded with a large amount of surfactant, when the raw materials are kneaded, it becomes a sticky mass with very high viscosity, and it is difficult to manufacture by extrusion granulation. Since it becomes a pesticide composition that is easy to absorb moisture, it hinders spreading, etc., and there are physical restrictions on the amount of surfactants to be blended.
Therefore, the content of the pesticide active ingredient in the pesticide composition will naturally also be limited

Method used

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  • Granular agrochemical composition
  • Granular agrochemical composition
  • Granular agrochemical composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0081] Pesticide active ingredient mixture (particle size 20.2 μm) mixed with 2 parts of Pyrimisulfan, 12 parts of Fenquinotrione and 12 parts of Metrazen, 5 parts of arylsulfonate formaldehyde condensate, 3 parts of arylsulfonate, polyacrylate 3 parts, 5 parts of phosphoric acid cross-linked starch, 2 parts of polyoxyalkylene alkynyl glycol ether, 2 parts of plastic balls, 15 parts of diatomaceous earth, 5 parts of bentonite and 34 parts of clay, after adding a specified amount of water for kneading , while passing through a sieve with a mesh diameter of 3 mm to extrude and granulate, cut into a length of about 6 mm with a scraper. Put the obtained granules into a horizontally placed drum, rotate the drum to roll the granules until it becomes a shape made of a curved surface, then dry with hot air and sieve to obtain a pesticide containing 26% by mass of the active ingredient. A granular pesticide composition with a short diameter of 3mm. The granular pesticide composition h...

Embodiment 2

[0083] Mixture of 2 parts of Pyrimisulfan, 8 parts of Fenoxasulfone and 12 parts of bicyclic sulcotrione (particle size 14.1 μm), 2 parts of aryl sulfonate, 2 parts of polyacrylate, 1 part of carboxymethyl cellulose, Phosphoric acid cross-linked starch 5 parts, polyoxyalkylene alkynyl glycol ether 2 parts, polyalkylene glycol 3 parts, plastic ball 2 parts, diatomaceous earth 15 parts, bentonite 5 parts, clay 41 parts, adding regulations After kneading with a certain amount of water, it was cut into lengths of about 10 mm with a scraper while extruding and granulating through a sieve with a mesh diameter of 5 mm. The granulated matter obtained is put into a horizontally placed drum, and the drum is rotated to roll the granulated matter until it becomes an outer shape made of a curved surface, and then dried with hot air to obtain a 5 mm short diameter containing 22% by mass of the pesticide active ingredient. granular pesticide composition. The granular pesticide composition h...

Embodiment 3

[0085] Mix 48 parts of pyroquinone (particle size 17.7 μm), 8 parts of aryl sulfonate, 1 part of polyoxyalkylene aryl ether sulfate, 1 part of polyoxyalkylene alkyl ether, polyoxyalkylene 2 parts of alkynyl glycol ether, 3 parts of bentonite, 1 part of urea, 3 parts of dextrin, 1 part of plastic ball and 32 parts of calcium carbonate, after adding a specified amount of water for kneading, extrude through a screen with a mesh diameter of 5mm Granulate and cut into lengths of about 10 mm with a spatula on one side. Put the obtained granulate into a horizontally placed drum, rotate the drum to roll the granulate until it becomes an outer shape made of a curved surface, and then dry it with hot air to obtain a 5 mm short diameter containing 48% by mass of the pesticide active ingredient. granular pesticide composition. The granular pesticide composition has a particle size distribution in which particles with a particle diameter of 3 mm or more account for more than 80%, has the ...

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Abstract

The present invention addresses the problem of providing a granular agrochemical composition characterized by containing an agrochemical active component, having a particle size distribution in whichparticles measuring 3 mm or more in diameter account for 80% or more, and having the property of floating on a water surface and disintegrating on the water surface within 30 minutes, the granular agrochemical composition having good disintegration properties, being easy to manufacture, having low moisture absorbency, and being easy to disperse while containing the agrochemical active component ina high concentration. The granular agrochemical composition via which the aforesaid problem is overcome: contains an agrochemical active component, a surfactant, hollow bodies measuring 1-600 [mu]m in diameter, and a solid carrier; has a particle size distribution in which particles measuring 3 mm or more in diameter account for 80% or more; and has the property of floating on a water surface anddisintegrating on the water surface within 30 minutes, wherein the granular agrochemical composition is characterized in that the particle diameter of the agrochemical active component is 10 [mu]m orgreater and is less than 1 / 10 the minor axis of the granular agrochemical composition.

Description

Technical field [0001] The present invention relates to a water-floating large-scale granular pesticide composition, and more specifically, to a water-floating large-scale granular pesticide composition capable of uniformly diffusing a pesticide active ingredient by directly spreading a small amount locally on the water surface of a paddy field or the like. Background technique [0002] In the past, pesticide compositions used in paddy fields and the like were generally granules, powders, emulsions, wettable powders, and suspensions. Among these pesticide compositions, granules and powders are usually spread directly in an amount of 1 to 4 kg per 10 years of paddy field without dilution in water. In recent years, labor-saving pesticide spreading has been advocated. In order to cope with this strategy, improvements in pesticide compositions are being sought. It is a pesticide composition that can reduce the amount of pesticide active ingredients in the pesticide composition, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/08A01N47/38A01P3/00A01P13/00A01N25/12A01N43/90A01N41/10A01N43/54A01N43/60A01N43/80
CPCA01N25/08A01N25/12A01N41/10A01N43/54A01N43/60A01N43/80A01N43/90A01N47/38A01N25/30A01N2300/00
Inventor 山崎聪信冈田优也加藤贤太郎田中龙
Owner KUMIAI CHEM IND CO LTD
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