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Efficient and high disintegration rate low toxicity cell herbicide and preparation method thereof

A herbicide and cell technology, applied in the direction of herbicides and algicides, botanical equipment and methods, biocides, etc., can solve the problems of consumption of non-renewable resources, great safety hazards, environmental pollution, etc., to reduce production Cost, small average particle size, good dispersion stability

Active Publication Date: 2020-06-30
ANHUI YINONG CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The emulsifiable concentrate formula contains a large amount of organic solvents. Most of these organic solvents are flammable, explosive, and toxic. Not only are there great safety hazards in the process of production, storage, transportation, and use, but they will also pollute the environment and consume a large amount of of non-renewable resources
As humans pay more and more attention to environmental protection, there are higher requirements for the use of pesticides, so these formulations have their corresponding limitations.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] Raw materials (parts by weight) of a novel low-toxic cytoelement herbicide with high efficiency and high disintegration rate: 790 parts of clopyralid, 110 parts of sodium methylene dinaphthalene sulfonate, 50 parts of sodium lauryl sulfate, sulfuric acid Ammonium 50 parts, water 2000 parts.

[0051] A preparation method of a novel low-toxic cytoelement herbicide with high efficiency and high disintegration rate, comprising the following steps:

[0052] S1. Add clopyralid, sodium methylene dinaphthalene sulfonate, sodium lauryl sulfate, and ammonium sulfate into water and mix evenly to obtain a slurry;

[0053] S2. Homogenize the slurry with a homogenizer, the homogenization pressure is 40MPa, the homogenization temperature is 25°C, and the homogenization time is 12 minutes; then use a high-shear dispersing and emulsifying machine to shear for 40 minutes at a speed of 2800 rpm , to obtain a shear emulsion; put the shear emulsion and zirconia beads with a particle size o...

Embodiment 2

[0056] Raw materials (parts by weight) of a novel low-toxic cytoelement herbicide with high efficiency and high disintegration rate: 790 parts of clopyralid, 110 parts of sodium methylene dinaphthalene sulfonate, 50 parts of sodium lauryl sulfate, chlorine Calcium 50 parts, water 2000 parts.

[0057] A preparation method of a novel low-toxic cytoelement herbicide with high efficiency and high disintegration rate, comprising the following steps:

[0058] S1. Add clopyralid, sodium methylene dinaphthalene sulfonate, sodium lauryl sulfate, and calcium chloride into water and mix evenly to obtain a slurry;

[0059] S2. Homogenize the slurry with a homogenizer, the homogenization pressure is 40MPa, the homogenization temperature is 25°C, and the homogenization time is 12 minutes; then use a high-shear dispersing and emulsifying machine to shear for 40 minutes at a speed of 2800 rpm , to obtain a shear emulsion; put the shear emulsion and zirconia beads with a particle size of 0.6m...

Embodiment 3

[0062] Raw materials (parts by weight) of a novel low-toxicity herbicide with high efficiency and high disintegration rate: 790 parts of clopyralid, 110 parts of sodium methylene dinaphthalene sulfonate, 50 parts of sodium lauryl sulfate, silicon Aluminum magnesium acid 50 parts, water 2000 parts.

[0063] A preparation method of a novel low-toxic cytoelement herbicide with high efficiency and high disintegration rate, comprising the following steps:

[0064] S1. Add clopyralid, sodium methylene dinaphthalene sulfonate, sodium lauryl sulfate, and magnesium aluminum silicate into water and mix evenly to obtain a slurry;

[0065] S2. Homogenize the slurry with a homogenizer, the homogenization pressure is 40MPa, the homogenization temperature is 25°C, and the homogenization time is 12 minutes; then use a high-shear dispersing and emulsifying machine to shear for 40 minutes at a speed of 2800 rpm , to obtain a shear emulsion; put the shear emulsion and zirconia beads with a part...

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PUM

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Abstract

The invention discloses a high-efficiency high-disintegration rate novel low-toxicity cell element herbicide and a preparation method of the high-efficiency high-disintegration rate novel low-toxicity cell element herbicide. The high-efficiency high-disintegration rate novel low-toxicity cell element herbicide is small in average grain size, good in dispersion stability and high in suspending rate, and has the advantages of high efficiency, high disintegration rate, low toxicity, evaporation resistance, drifting resistance, and evener fogdrop size. In addition, the preparation process is easy to control, the stability of the performances of a prepared dry suspending agent is effectively guaranteed, the production efficiency is improved effectively, and the production cost is lowered. The high-efficiency high-disintegration rate novel low-toxicity cell element herbicide is prepared from the following raw materials by weight: 770-810 parts of clopyralid, 100-120 parts of special dry suspending dispersing aid, 40-60 parts of special dry suspending wetting aid, 40-60 parts of special dry suspending disintegration aid, and 1500-2500 parts of water.

Description

technical field [0001] The invention relates to a herbicide, in particular to a high-efficiency, high-disintegration-rate, low-toxicity herbicide and a preparation method thereof. Background technique [0002] Pesticides are important materials for agricultural production. The use of pesticides to prevent and control plant diseases, insect pests and weeds has the advantages of quick results, good control effects, wide adaptability and high economic benefits. However, while pesticides ensure a good harvest in agricultural production, they may also cause certain harm to the environment, humans, animals and plants. Some traditional pesticide formulations such as emulsifiable concentrates, wettable powders, powders, etc. have potential hazards to the environment, humans, or animals and plants during production or use. The emulsifiable concentrate formula contains a large amount of organic solvents. Most of these organic solvents are flammable, explosive, and toxic. Not only are...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/40A01N25/14A01N25/30A01P13/00
CPCA01N25/14A01N25/30A01N43/40
Inventor 徐益峰支兰芳
Owner ANHUI YINONG CHEM
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