CN113545342A - Efficient auxiliary agent suitable for 25% pymetrozine-containing pesticide suspending agent - Google Patents

Efficient auxiliary agent suitable for 25% pymetrozine-containing pesticide suspending agent Download PDF

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Publication number
CN113545342A
CN113545342A CN202110909214.0A CN202110909214A CN113545342A CN 113545342 A CN113545342 A CN 113545342A CN 202110909214 A CN202110909214 A CN 202110909214A CN 113545342 A CN113545342 A CN 113545342A
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pymetrozine
suspension
auxiliary agent
pesticide
agent
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CN202110909214.0A
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Chinese (zh)
Inventor
周家兴
陆新德
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Nanjing Keyi New Materials Co ltd
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Nanjing Keyi New Materials Co ltd
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Priority to CN202110909214.0A priority Critical patent/CN113545342A/en
Publication of CN113545342A publication Critical patent/CN113545342A/en
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
    • A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
    • A01N43/707—1,2,3- or 1,2,4-triazines; Hydrogenated 1,2,3- or 1,2,4-triazines
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having no bond to a nitrogen atom
    • A01N47/06—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having no bond to a nitrogen atom containing —O—CO—O— groups; Thio analogues thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N51/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring

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  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • Agronomy & Crop Science (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Toxicology (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention discloses a high-efficiency auxiliary agent suitable for a pymetrozine suspending agent containing 25% of pesticide, which is prepared from the following raw materials in percentage by mass: 1-50% of styryl phenol polyoxyethylene ether phosphate, 1-30% of alkyl glycoside, 1-40% of ethylene glycol, 1-20% of polycarboxylate dispersant and 10-50% of water; the auxiliary agent has excellent and efficient surface activities such as wetting and dispersing, is small in dosage and stable in dispersing and suspending performance; the auxiliary agent can obviously inhibit the aggregation and crystal growth of pesticide suspended particles, and can effectively avoid the problems of layering, precipitation, paste formation and the like of a 25% pesticide-containing pymetrozine suspending agent; meanwhile, the auxiliary agent is suitable for various pymetrozine suspending agents containing 25% of pesticide, including bactericide and insecticide, including single agent and binary or ternary compound 25% pymetrozine suspending agent.

Description

Efficient auxiliary agent suitable for 25% pymetrozine-containing pesticide suspending agent
Technical Field
The invention belongs to the field of agricultural pesticide surfactants, and relates to a high-efficiency auxiliary agent suitable for a pymetrozine suspending agent containing 25% of pesticide and an application method thereof.
Background
Pymetrozine belongs to the class of heterocyclic pyridine insecticides, first developed in 1988 by Ciba-Geigy, Switzerland. The insecticide acts in a unique manner, does not produce direct toxicity to the insect, has no knockdown activity, but the insect stops feeding immediately upon contact with the agent. The water spray on rice has excellent control effect on rice planthopper, low toxicity to mammals and safety to birds, fishes and non-target arthropods, and shows good development prospect in comprehensive control.
The formulation of the pymetrozine is generally water dispersible granules and wettable powder. Although the water dispersible granule is an environment-friendly preparation, the water dispersible granule has the defects of higher processing cost and long production period; the wettable powder is simple to process, but has the problem of dust drift and pollution during production. The suspending agent is simple to process and free from the problem of dust pollution, and the pymetrozine suspending agent has good specificity and quick-acting property and is safe to rice, so that the pymetrozine suspending agent is popular in the market. Because the pymetrozine molecules are easy to form hydrogen bonds with water, when the pymetrozine water suspending agent is prepared, pymetrozine raw pesticide is absorbed by water after being put into water, the viscosity of a slurry system is very high, the slurry system is in a paste shape which is not easy to flow, and the slurry system cannot enter a sand mill for sand grinding or has very high viscosity after sand grinding and heat storage, and particularly, the phenomenon is more obvious when more than 95 percent of pymetrozine raw pesticide is used as the suspending agent with the content of more than 20 percent. According to the characteristics of the pymetrozine raw pesticide, the wetting agent and the dispersing agent are screened and compounded, the problems of system viscosity and fluidity of the pymetrozine suspending agent are solved, and the qualified pymetrozine suspending agent is developed.
Disclosure of Invention
The invention aims to research a special auxiliary agent containing 25% of pymetrozine and a compound preparation thereof by carrying out a large number of tests and screens on the dispersing agent and the wetting agent, and the auxiliary agent has low cost and good preparation stability.
In order to achieve the purpose, the invention provides the following technical scheme:
an auxiliary agent suitable for a pesticide-containing 25% pymetrozine suspending agent is prepared from the following raw materials in percentage by mass:
1-50% of styryl phenol polyoxyethylene ether phosphate, 1-30% of alkyl glycoside, 1-40% of ethylene glycol, 1-20% of polycarboxylate and 10-50% of water.
Preferably, the auxiliary agent is prepared from the following raw materials in percentage by mass: 10-40% of styryl phenol polyoxyethylene ether phosphate, 5-30% of alkyl glycoside, 5-20% of ethylene glycol, 5-10% of polycarboxylate and 15-50% of water.
Further preferably prepared from the following raw materials in percentage by mass: 20-35% of styryl phenol polyoxyethylene ether phosphate, 10-25% of alkyl glycoside, 5-15% of ethylene glycol, 5-19% of polycarboxylate and 28-50% of water.
Most preferably, the material is prepared from the following raw materials in percentage by mass: 30% of styrylphenol polyoxyethylene ether phosphate, 10% of alkyl glycoside, 5% of ethylene glycol, 5% of polycarboxylate and 50% of water.
The invention utilizes the similarity and compatibility of the styrene phenol structure to be firmly adsorbed on the surface of 25 percent of pymetrozine raw pesticide (the 25 percent of pymetrozine raw pesticide is of a heterocyclic structure with benzene rings), and the polyoxyethylene ether is dispersed in water due to the hydrophilicity thereof to form an adsorption layer on the surface of solid particles, so that the charge on the surface of the particles is increased, the steric hindrance is increased, the reaction force among the particles is improved, the effects of wetting and dispersing the surfaces of the raw pesticide particles are achieved, the agglomeration is not easy to occur, and the austenite curing is not easy to occur. The whole preparation system is not easy to separate out water, is not easy to form paste and is not easy to grow up the grain diameter.
In addition, the pymetrozine original drug has good stability under acidic conditions and low preparation viscosity, a polyoxyethylene ether phosphorylation structure is introduced into the auxiliary agent, phosphate is not neutralized, and the Ph of the auxiliary agent is kept to be about 2-3.
The preparation method of the auxiliary agent suitable for the pesticide-containing 25% pymetrozine suspending agent comprises the following steps:
1) dissolving ethylene glycol into water according to a proportion at normal temperature to obtain a solution A;
2) and sequentially adding styrylphenol polyoxyethylene ether phosphate, alkyl glycoside and polycarboxylate into the solution A, and uniformly stirring to obtain an auxiliary finished product which is viscous in appearance and is suitable for the pesticide-containing 25% pymetrozine suspending agent.
The dosage of the auxiliary agent in 25% of the pymetrozine suspending agent is 5-10%, and the dosage of the auxiliary agent in 25% of the pymetrozine suspending agent product is preferably 9%. The application of the auxiliary agent in a 25% pymetrozine suspending agent product comprises the following steps: uniformly mixing 25% of pymetrozine, an auxiliary agent and water according to a proportion, adding a defoaming agent, and uniformly dispersing the materials to prepare a suspension premix; the temperature is controlled below 40 ℃, the obtained suspension premix is ground to form a 25% pymetrozine suspension agent product, the suspension particle size is less than or equal to 5 microns, and the suspension rate is more than or equal to 90%.
Compared with the prior art, the invention has the beneficial effects that:
the auxiliary agent suitable for the 25% pymetrozine-containing pesticide suspending agent has excellent and efficient surface activities such as wetting and dispersing, is low in dosage and stable in dispersing and suspending performance; the auxiliary agent can obviously inhibit the aggregation and crystal growth of pesticide suspended particles, and can effectively avoid the problems of layering, precipitation, paste formation and the like of a 25% pesticide-containing pymetrozine suspending agent; meanwhile, the auxiliary agent is suitable for various pymetrozine suspending agents containing 25% of pesticide, including bactericide and insecticide, including single agent and binary or ternary compound 25% pymetrozine suspending agent; when the auxiliary agent is applied to a 25% pymetrozine-containing suspension concentrate containing pesticide, the 25% pymetrozine-containing suspension concentrate is further uniformly dispersed, the particle sedimentation rate is slowed down, the attachment capacity is enhanced, and the suspension stability of the 25% pymetrozine-containing suspension concentrate is improved.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1
An auxiliary agent suitable for a pesticide-containing 25% pymetrozine suspending agent comprises the following raw materials in percentage by mass: 30% of styryl phenol polyoxyethylene ether phosphate, 10% of alkyl glycoside, 5% of ethylene glycol, 5% of polycarboxylate and 50% of water.
In this embodiment, the preparation method of the adjuvant suitable for a pesticide-containing 25% pymetrozine suspension comprises the following steps:
1) dissolving ethylene glycol into water at normal temperature to obtain a solution A;
2) and sequentially adding styrylphenol polyoxyethylene ether phosphate, alkyl glycoside and polycarboxylate into the solution A, and uniformly stirring to obtain an auxiliary finished product which is viscous in appearance and is suitable for the pesticide-containing 25% pymetrozine suspending agent.
In the embodiment, the application steps of the auxiliary agent in a 25% pymetrozine suspending agent product are as follows:
1) mixing 25% of pymetrozine, 9% of the auxiliary agent in the embodiment 1, 5% of antifreezing agent ethylene glycol, 0.15% of a suspending agent xanthan gum and the balance of water, adding an antifoaming agent accounting for 0.1% of the weight of the auxiliary agent, and uniformly dispersing the materials to prepare a suspension premix for later use;
2) and (3) controlling the temperature below 40 ℃, continuously sanding the suspension premix obtained in the step (1) for 2 times by using a sand mill to form a suspension particle size (D90) which is less than or equal to 5 microns, and obtaining a 25% pymetrozine suspension agent product, wherein the suspension rate is greater than 90%.
The 25% pymetrozine suspending agent prepared by the embodiment is a viscous white homogeneous phase suspending liquid, the suspension rate of the effective components is more than or equal to 95%, the particle size (D90) of the particles is less than or equal to 5 mu m, no layering, precipitation and paste formation are caused during cold storage (0 +/-1 ℃) and hot storage (54 +/-2 ℃) for 14 days, and the stability is qualified.
Example 2
An auxiliary agent suitable for a pesticide pymetrozine suspending agent comprises the following raw materials in percentage by mass: 10% of styryl phenol polyoxyethylene ether phosphate, 30% of alkyl glycoside, 10% of ethylene glycol, 10% of polycarboxylate and 40% of water.
In this embodiment, the preparation method of the adjuvant suitable for the pesticide pymetrozine suspending agent includes the following steps:
1) dissolving ethylene glycol into water at normal temperature to obtain a solution A;
2) and sequentially adding styrylphenol polyoxyethylene ether phosphate, alkyl glycoside and polycarboxylate into the solution A, and uniformly stirring to obtain an auxiliary finished product which is viscous in appearance and is suitable for the pesticide-containing 25% pymetrozine suspending agent.
In the embodiment, the application steps of the auxiliary agent in a 25% pymetrozine and 10% thiamethoxam suspending agent product are as follows:
1) mixing 25% of pymetrozine, 10% of thiamethoxam, 9% of the auxiliary agent, 5% of antifreezing agent ethylene glycol, 0.1% of suspending agent xanthan gum and the balance of water, adding an antifoaming agent accounting for 0.1% of the weight of the auxiliary agent, uniformly dispersing the materials to prepare a suspension premix for later use;
2) and (3) controlling the temperature below 40 ℃, and continuously sanding the suspension premix obtained in the step (1) for 3 times by using a sand mill to form 25% pymetrozine and 10% thiamethoxam SC with the suspension particle size (D90) of less than or equal to 5 microns and the suspension rate of more than 90%.
The 25% pymetrozine and 10% thiamethoxam SC suspension prepared by the embodiment is a viscous white homogeneous suspension liquid, the suspension rate of the effective components is more than or equal to 95%, the particle size (D90) is less than or equal to 5 microns, no layering, precipitation and paste formation are caused during cold storage (0 +/-1 ℃) and hot storage (54 +/-2 ℃) for 14 days, and the stability is qualified.
Example 3
An auxiliary agent suitable for a pesticide pymetrozine suspending agent comprises the following raw materials in percentage by mass: 20% of styrylphenol polyoxyethylene ether phosphate, 15% of alkyl glycoside, 15% of ethylene glycol, 7% of polycarboxylate and 43% of water.
In this embodiment, the preparation method of the adjuvant suitable for the pesticide pymetrozine suspending agent includes the following steps:
1) dissolving ethylene glycol into water at normal temperature to obtain a solution A;
2) and sequentially adding styrylphenol polyoxyethylene ether phosphate, alkyl glycoside and polycarboxylate into the solution A, and uniformly stirring to obtain an auxiliary finished product which is viscous in appearance and is suitable for the pesticide pymetrozine suspending agent.
In this embodiment, the application method of the auxiliary agent in a 25% pymetrozine + 12% spirotetramat suspension concentrate product includes the following steps:
1) mixing 25% of pymetrozine, 12% of spirotetramat, 9% of the auxiliary agent, 5% of antifreezing agent ethylene glycol, 0.2% of suspending agent xanthan gum and the balance of water, adding an antifoaming agent accounting for 0.1% of the weight of the auxiliary agent, uniformly dispersing the materials to prepare a suspension premix for later use;
2) and (3) controlling the temperature below 40 ℃, continuously sanding the suspension premix obtained in the step (1) for 2 times by using a sand mill to form suspension with the particle size (D90) less than or equal to 5 micrometers and the suspension rate greater than 90%, and obtaining 25% of pymetrozine and 12% of spirotetramat SC.
The 25% pymetrozine and 12% spirotetramat suspending agent prepared by the embodiment is a viscous white homogeneous phase suspending liquid, the suspension rate of the effective components is more than or equal to 90%, the particle size of the suspended particles (D90) is less than or equal to 5 mu m, and the suspending agent has no layering, precipitation and paste formation after being stored at a temperature of 0 +/-1 ℃ and a temperature of 54 +/-2 ℃ for 14 days, and is qualified in stability.
Comparative example 1
As in example 1, in the preparation process containing 25% pymetrozine SC, the formula comprises 35% styrylphenol polyoxyethylene ether phosphate, 8% ethylene glycol, 7% polycarboxylate and 50% water.
After mixing 25% of pymetrozine, 9% of the auxiliary agent, 5% of antifreeze glycol, 0.15% of suspending agent xanthan gum and the balance of water, adding an antifoaming agent accounting for 0.1% of the weight of the auxiliary agent, mixing the materials, and then making the materials into paste after one hour, wherein the viscosity of the materials is too high.
Comparative example 2
As in example 1, in the preparation process of 25% pymetrozine SC, the formula comprises 32% of styrylphenol polyoxyethylene ether phosphate, 8% of ethylene glycol, 10% of alkyl glycoside and 50% of water.
Mixing 25% of pymetrozine, 9% of the auxiliary agent, 5% of antifreeze glycol, 0.15% of suspending agent xanthan gum and the balance of water, adding 0.1% of defoaming agent, mixing the materials, controlling the temperature below 40 ℃, grinding the materials in a sand mill to form stable suspension, wherein the suspension particle size is less than or equal to 5 microns, the suspension rate is more than or equal to 90%, discharging, storing for 1 day at 54 ℃ for layering, and separating out more than 50% of water.
Comparative example 3
As in example 2, in the preparation process of a composition containing 25% of pymetrozine and 10% of thiamethoxam SC, the formulation of the auxiliary agent is styrylphenol polyoxyethylene ether phosphate 35%, alkyl glycoside 10%, polycarboxylate 7%, and water 48%.
Mixing 25% of pymetrozine, 10% of thiamethoxam, 9% of the auxiliary agent, 5% of antifreezing agent ethylene glycol, 0.1% of suspending agent xanthan gum and the balance of water, adding an antifoaming agent accounting for 0.1% of the weight of the auxiliary agent, mixing the materials, and then making the materials into paste within one hour, wherein the viscosity of the materials is very high after the materials are mixed.
Comparative example 4
As in example 1, in the preparation of 25% pymetrozine SC, the formulation was 55% styrylphenol polyoxyethylene ether phosphate, 5% ethylene glycol, 10% alkyl glycoside, 5% polycarboxylate, and 25% water.
Mixing 25% of pymetrozine, 9% of the auxiliary agent, 5% of antifreeze glycol, 0.15% of suspending agent xanthan gum and the balance of water, adding 0.1% of defoaming agent, mixing the materials, controlling the temperature below 40 ℃, grinding the materials in a sand mill to form stable suspension, wherein the suspension particle size is less than or equal to 5 microns, the suspension rate is more than or equal to 90%, discharging, storing at 54 ℃ for 1 day, and making the preparation into paste.

Claims (9)

1. The auxiliary agent suitable for a 25% pymetrozine-containing suspension agent is characterized by being prepared from the following raw materials in percentage by mass: 1-50% of styryl phenol polyoxyethylene ether phosphate, 1-30% of alkyl glycoside, 1-40% of ethylene glycol, 1-20% of polycarboxylate and 10-50% of water.
2. The auxiliary agent suitable for the pesticide-containing 25% pymetrozine suspending agent according to claim 1, which is characterized by comprising the following raw materials in percentage by mass: 10-40% of styryl phenol polyoxyethylene ether phosphate, 5-30% of alkyl glycoside, 5-20% of ethylene glycol, 5-10% of polycarboxylate and 15-50% of water.
3. The auxiliary agent suitable for the pesticide-containing 25% pymetrozine suspension as claimed in claim 1, which is prepared from the following raw materials in percentage by mass: 20-35% of styryl phenol polyoxyethylene ether phosphate, 10-25% of alkyl glycoside, 5-15% of ethylene glycol, 5-19% of polycarboxylate and 28-50% of water.
4. The auxiliary agent suitable for the pesticide-containing 25% pymetrozine suspension as claimed in claim 1, which is prepared from the following raw materials in percentage by mass: 30% of styrylphenol polyoxyethylene ether phosphate, 10% of alkyl glycoside, 5% of ethylene glycol, 5% of polycarboxylate and 50% of water.
5. A process for the preparation of an adjuvant suitable for a pesticide-containing 25% pymetrozine suspension as claimed in any one of claims 1 to 4, comprising the steps of:
1) dissolving ethylene glycol into water according to a proportion at normal temperature to obtain a solution A;
2) and sequentially adding styrylphenol polyoxyethylene ether phosphate, alkyl glycoside and polycarboxylate into the solution A, and uniformly stirring to obtain the water-soluble organic silicon dioxide.
6. The preparation method of the auxiliary agent suitable for the pesticide-containing 25% pymetrozine suspension as claimed in claim 5, wherein the amount of the auxiliary agent in the 25% pymetrozine suspension is 5-10%.
7. The adjuvant for a pesticide-containing 25% pymetrozine suspension as claimed in claim 6, wherein the adjuvant is used in an amount of 9% in the 25% pymetrozine suspension.
8. Use of an adjuvant according to any one of claims 1 to 4 for the preparation of a 25% pymetrozine suspension.
9. Use according to claim 8, characterized in that the application of said adjuvant in a 25% pymetrozine suspension product comprises the following steps: uniformly mixing 25% of pymetrozine, an auxiliary agent and water according to a proportion, adding a defoaming agent, and uniformly dispersing the materials to prepare a suspension premix; the temperature is controlled below 40 ℃, the obtained suspension premix is ground to form a 25% pymetrozine suspension agent product, the suspension particle size is less than or equal to 5 microns, and the suspension rate is more than or equal to 90%.
CN202110909214.0A 2021-08-09 2021-08-09 Efficient auxiliary agent suitable for 25% pymetrozine-containing pesticide suspending agent Pending CN113545342A (en)

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CN115088727A (en) * 2022-07-29 2022-09-23 京博农化科技有限公司 Mixing aid and chloroindole hydrazide suspending agent
CN115843793A (en) * 2022-12-14 2023-03-28 南通施壮化工有限公司 Pymetrozine-containing water suspension and preparation method thereof
CN116250538A (en) * 2021-12-09 2023-06-13 沈阳中化农药化工研发有限公司 Insecticidal composition containing stabilizer and preparation method thereof

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CN109430262A (en) * 2018-12-10 2019-03-08 浙江大学 One kind flying anti-spray adjuvants and its preparation method and application
CN112385649A (en) * 2019-08-16 2021-02-23 南京科翼新材料有限公司 Efficient auxiliary agent suitable for pesticide suspension seed coating agent and application method thereof

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CN108041052A (en) * 2017-12-19 2018-05-18 扬州大学 A kind of pymetrozine and abamectin compounded agricultural chemicals suspension agent and preparation method thereof
CN109430262A (en) * 2018-12-10 2019-03-08 浙江大学 One kind flying anti-spray adjuvants and its preparation method and application
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CN116250538A (en) * 2021-12-09 2023-06-13 沈阳中化农药化工研发有限公司 Insecticidal composition containing stabilizer and preparation method thereof
CN115088727A (en) * 2022-07-29 2022-09-23 京博农化科技有限公司 Mixing aid and chloroindole hydrazide suspending agent
CN115088727B (en) * 2022-07-29 2024-02-13 山东京博农化科技股份有限公司 Mixing aid and chloroindole hydrazide suspending agent
CN115843793A (en) * 2022-12-14 2023-03-28 南通施壮化工有限公司 Pymetrozine-containing water suspension and preparation method thereof
CN115843793B (en) * 2022-12-14 2024-04-12 南通施壮化工有限公司 Water suspending agent containing pymetrozine and preparation method thereof

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Application publication date: 20211026

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