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Cyantraniliprole aqueous dispersion granule and preparation method thereof

The technology of cyantraniliprole and dispersible granules is applied in the field of pesticide formulations, which can solve the problems of large dispersity of original drug particles, influence on cyantraniliprole, poor chemical stability, etc., and achieve the effects of low cost, low environmental pollution and low packaging requirements.

Inactive Publication Date: 2012-10-17
LIANBAO CROP TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But cyantraniliprole suspension concentrate mainly has physical stability problem, and the dispersibility of original drug particle in its suspension is bigger, makes suspended particle have higher surface free energy and is in unstable state, causes the original drug to easily gather, agglomerate and die. There is precipitation
In addition, the suspending agent also has the problem of poor chemical stability
Various unfavorable factors have affected the efficacy of cyantraniliprole. If the control effect of cyantraniliprole SC is to reach a higher level, it is necessary to increase the application amount, but this will cause great pressure on the environment.

Method used

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  • Cyantraniliprole aqueous dispersion granule and preparation method thereof
  • Cyantraniliprole aqueous dispersion granule and preparation method thereof
  • Cyantraniliprole aqueous dispersion granule and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment 1: 30% cyantraniliprole water dispersible granule

[0034]

[0035] According to the above formula, the materials are pulverized by airflow, then mixed evenly and kneaded with water, extruded and granulated by a granulator, dried and sieved to obtain the product.

[0036] Determination of physical and chemical properties:

[0037] Moisture content 2.0%, particle size detection 99.5% through 75μm mesh, suspension rate 92%, wettability ≤ 1min, dispersibility 90%, persistent foaming (1min) 10ml, accelerated thermal storage stability qualified. It meets the quality and technical indicators of water-dispersible granules.

Embodiment 2

[0038] Embodiment 2: 10% cyantraniliprole water-dispersible granules

[0039]

[0040] According to the above formula, the airflow pulverizes each material, puts it into the fluidized bed, sprays atomized water through the spray gun above the fluidized bed, and the powder boiled by the airflow contacts with water evenly, and naturally forms as the fluidized bed wall rolls down. Granules, the product.

[0041] Determination of physical and chemical properties:

[0042] Moisture content 2.0%, particle size detection 99.5% through 75μm mesh, suspension rate 92%, wettability ≤ 1min, dispersibility 90%, persistent foaming (1min) 10ml, accelerated thermal storage stability qualified. It meets the quality and technical indicators of water-dispersible granules.

Embodiment 3

[0043] Embodiment 3: 25% cyantraniliprole water-dispersible granules

[0044]

[0045] According to the above formula, the materials are pulverized by airflow, then mixed evenly and kneaded with water, extruded and granulated by a granulator, dried and sieved to obtain the product.

[0046] Determination of physical and chemical properties:

[0047] Moisture content 2.0%, particle size detection 99.5% through 75μm mesh, suspension rate 92%, wettability ≤ 1min, dispersibility 90%, persistent foaming (1min) 10ml, accelerated thermal storage stability qualified. It meets the quality and technical indicators of water-dispersible granules.

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Abstract

The invention relates to the field of pesticide formulations, and discloses a cyantraniliprole aqueous dispersion granule and a preparation method thereof. The cyantraniliprole aqueous dispersion granule comprises the following components in percentage by weight: 10-80% of cyantraniliprole, 1-10% of wetting agent, 1-10% of dispersing agent, 1-3% of disintegrating agent, 0-5% of binding agent and the balance of carrier. The cyantraniliprole aqueous dispersion granule provided by the invention is low in cost, simple in preparation process, low in packing requirement and low in environment pollution; and by selecting specific wetting agent and dispersing agent for synergistic action, the control effect of the cyantraniliprole aqueous dispersion granule is improved and higher than that of a cyantraniliprole aqueous suspending agent, the dosage can be reduced and the cyantraniliprole aqueous dispersion granule is suitable for large-area popularization.

Description

technical field [0001] The invention relates to the field of pesticide preparations, in particular to a water-dispersible cyantraniliprole granule and a preparation method thereof. Background technique [0002] Cyantraniliprole (cyantraniliprole), also known as cyantraniliprole, is a new o-formamidobenzamide insecticide successfully developed by DuPont in the United States following chlorantraniliprole. Made of various polar groups, it has higher control efficiency and is applicable to a wider range of crops. [0003] Cytraniliprole belongs to the insect ryanodine receptor inhibitor, which mainly exhibits contact killing and stomach toxicity by inducing the release of intracellular calcium ions regulated by insect ryanodine receptors, and can effectively control Lepidoptera, Hemiptera and Coleoptera. Pests, especially for the control of various Lepidoptera pests have special effects, can be used for rice, vegetables, cotton, sugar beets and other crops, and its control effe...

Claims

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Application Information

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IPC IPC(8): A01N25/14A01N43/56A01P7/04
Inventor 孙淑君卢桂鲜
Owner LIANBAO CROP TECH
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