A kind of florasulam water dispersible granule and preparation method thereof

A technology of florasulam and dispersible granules, which is applied in the fields of botanical equipment and methods, herbicides, algicides, and biocides, and can solve the problem of large dispersion of the original drug particles and the impact of florasulam, chemical Poor stability and other issues, to achieve low cost, improve product quality and anti-efficiency, and low packaging requirements

Active Publication Date: 2014-10-15
LIANBAO CROP TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, florasulam suspending agent mainly has physical stability problems. The dispersion degree of the original drug particles in the suspension is relatively large, so that the suspended particles have high surface free energy and are in an unstable state, resulting in the easy aggregation and formation of the original drug. block with precipitation
In addition, the suspending agent also has the problem of poor chemical stability
Various unfavorable factors have affected the efficacy of florasulam. If the control effect of florasulam SC is to reach a higher level, it is necessary to increase the application amount, but this will cause environmental damage. a lot of pressure

Method used

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  • A kind of florasulam water dispersible granule and preparation method thereof
  • A kind of florasulam water dispersible granule and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Example 1: 10% diflusulam water dispersible granules

[0030] Flumesulam 10%, Morwet EFW2.0%, Morwet D-4256.0%, kaolin make up 100%.

[0031] 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.

[0032] Product quality inspection:

[0033]Moisture content 2.2, wettability 32s, wet sieve test 75μm mesh pass rate 98.6, particle size detection (0.3mm~1.0mm) 93%, suspension rate 92%, dispersibility 90%, persistent foaming (1min) 20ml, accelerated Thermal storage stability is qualified.

Embodiment 2

[0034] Embodiment 2: 30% florasulam water dispersible granules

[0035] Flumesulam 30%, Morwet EFW3.0%, Morwet D-4258.0%, diatomaceous earth make up 100%.

[0036] 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.

[0037] Product quality inspection:

[0038] Moisture content 2.3, wettability 41s, wet sieve test 75μm mesh pass rate 98.8%, particle size detection (0.3mm~1.0mm) 94%, suspension rate 93%, dispersibility 93%, persistent foaming (1min) 22ml, Accelerated thermal storage stability is qualified.

Embodiment 3

[0039] Embodiment 3: 45% florasulam water dispersible granules

[0040] Flumesulam 45%, Terwet10042.0%, Tersperse24255.0%, kaolin make up 100%.

[0041] 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.

[0042] Product quality inspection:

[0043] Moisture content 2.1, wettability 35s, wet sieve test 75μm mesh pass rate 99.0%, particle size detection (0.3mm~1.0mm) 95%, suspension rate 90%, dispersibility 91%, persistent foaming (1min) 20ml, Accelerated thermal storage stability is qualified.

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Abstract

The invention relates to the field of pesticide preparations, and discloses florasulam water dispersible granules and a preparation method thereof. The florasulam water dispersible granules comprise the following components in percentage by weight based on the total weight of the water dispersible granules: 1 to 80 percent of florasulam, 1 to 10 percent of wetting agent, 1 to 10 percent of dispersant and the balance of carrier. The florasulam water dispersible granules are low in cost, easy to prepare, low in pacing requirement and low in environmental pollution; by using the synergistic effect of the specific wetting agent and the dispersant, the quality and the prevention effect of the florasulam water dispersible granules are improved and are higher than those of florasulam suspension; the formulation rate can be reduced; and the florasulam water dispersible granules are suitable for large-area popularization.

Description

technical field [0001] The invention relates to the field of pesticide preparations, in particular to a water-dispersible granule of florasulam and a preparation method thereof. Background technique [0002] Flusulam belongs to the triazolopyrimidine sulfonamide super-efficient herbicide. It is a conductive herbicide, which can be transmitted to the whole plant of weeds, so it kills the weeds completely and will not recur. The drug effect is stable at low temperature, and the stable drug effect can still be guaranteed even at 2°C. Flusulam has a wide herbicidal spectrum, and can control most broad-leaved weeds in wheat fields, including hard-to-control weeds such as pigtails and barley, and has a very good inhibitory effect on the most difficult-to-control varnish in wheat fields . [0003] The main dosage form of florasulam is suspension concentrate. However, florasulam suspending agent mainly has physical stability problems. The dispersion degree of the original drug pa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/90A01N25/14A01P13/00
Inventor 谢存明武金果孙淑香张建任松巧
Owner LIANBAO CROP TECH
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