CN111789113A - Flumioxazin dry suspending agent and preparation method thereof - Google Patents

Flumioxazin dry suspending agent and preparation method thereof Download PDF

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Publication number
CN111789113A
CN111789113A CN202010695091.0A CN202010695091A CN111789113A CN 111789113 A CN111789113 A CN 111789113A CN 202010695091 A CN202010695091 A CN 202010695091A CN 111789113 A CN111789113 A CN 111789113A
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China
Prior art keywords
flumioxazin
parts
agent
sodium
suspending agent
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Pending
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CN202010695091.0A
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Chinese (zh)
Inventor
吴克崇
吴贯中
路雪林
臧传刚
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JIANGSU YUNFAN CHEMICAL CO LTD
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JIANGSU YUNFAN CHEMICAL CO LTD
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Priority to CN202010695091.0A priority Critical patent/CN111789113A/en
Publication of CN111789113A publication Critical patent/CN111789113A/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
    • A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
    • A01N43/84—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms six-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,4

Abstract

The invention discloses a flumioxazin dry suspending agent and a preparation method thereof, wherein the flumioxazin dry suspending agent comprises, by weight, 15-85 parts of flumioxazin, 5-15 parts of surfactant, 1-3 parts of defoaming agent, 2-8 parts of dispersing agent and 4-12 parts of disintegrating agent, and the balance of filler. The flumioxazin dry suspending agent prepared by the method disclosed by the invention has excellent control effect on perennial broadleaf weeds such as morning glory, spiny weed and humulus in corn fields, is high in weeding efficiency and quick in response, and experiments prove that the flumioxazin dry suspending agent also has corresponding control effect on other weeds in other crop fields, and is suitable for wide application.

Description

Flumioxazin dry suspending agent and preparation method thereof
Technical Field
The invention relates to the technical field of pesticides, and particularly relates to a flumioxazin dry suspending agent and a preparation method thereof.
Background
Flumioxazin is a contact selective herbicide of cyclic imides, is a protoporphyrinogen oxidase inhibitor, is a herbicide absorbed by buds and leaves, can effectively prevent and remove 1-year-old broadleaf weeds and partial gramineous weeds when being used for soil treatment, is easy to degrade in the environment, is safe to succeeding crops, has good drug resistance to soybeans and peanuts, has medium tolerance to corn, wheat, barley and rice, and is suitable for preventing and removing 1-year-old broadleaf weeds and partial gramineous weeds in crop fields such as soybeans, peanuts, orchards and the like;
the dry suspending agent is used as a flumioxazin auxiliary agent, and the current flumioxazin dry suspending agent has poor effect on using drug effect due to safe dosage, insufficient treatment efficiency on weed control, single use, narrow control range on grass seeds and insufficient popularization value.
Disclosure of Invention
The invention mainly aims to provide the flumioxazin dry suspending agent and the preparation method thereof, the flumioxazin dry suspending agent prepared by the preparation method has quick drug effect on weed control, the weed control is of multiple types, and the problems in the background art can be effectively solved.
In order to achieve the purpose, the invention adopts the technical scheme that: a flumioxazin dry suspending agent comprises, by weight, 15-85 parts of flumioxazin, 5-15 parts of surfactant, 1-3 parts of defoaming agent, 2-8 parts of dispersing agent and 4-12 parts of disintegrating agent, and the balance of filler.
Preferably, the composition comprises 20-80 parts of flumioxazin, 6-14 parts of surfactant, 1.2-2.8 parts of defoaming agent, 3-7 parts of dispersing agent, 5-11 parts of disintegrating agent and the balance of filler by weight.
Preferably, the preparation method of the flumioxazin dry suspending agent comprises the following steps,
the method comprises the following steps: taking flumioxazin as a base material, sequentially adding a surfactant, a dispersing agent and a disintegrating agent, mixing, slowly adding a filler in the mixing process, and mixing for 5-10min to obtain mixed slurry;
step two: sequentially adding the defoaming agent into the mixed slurry, and continuously mixing for 6-8 min;
step three: sanding the mixed slurry obtained in the step two to obtain mixed particles;
step four: spray drying and granulating the mixed particles, wherein the drying temperature is 120-140 ℃, the drying time is 15-25min, and the particle size is kept at 180 meshes;
step five: and packaging to obtain the required flumioxazin dry suspending agent.
Preferably, the surfactant is phospholipid, sodium stearyl sulfate, sodium stearate, fatty alcohol-polyoxyethylene ether and alkylphenol polyoxyethylene phosphate, preferably a mixture of fatty alcohol-polyoxyethylene ether and alkylphenol polyoxyethylene phosphate, and the mass ratio of the fatty alcohol-polyoxyethylene ether to the alkylphenol polyoxyethylene phosphate is 1.5: 0.5 of alkylphenol polyoxyethylene phosphate.
Preferably, the defoaming agent is a higher alcohol, polyether modified silicon, polysiloxane and silicone, preferably silicone.
Preferably, the dispersing agent is sodium tripolyphosphate, triethylhexylphosphoric acid, methylpentanol, polyacrylamide and sodium polycarboxylate, preferably sodium polycarboxylate, and the disintegrating agent is one or more of potassium sulfate, sodium chloride and diamine bisulfate.
Preferably, the filler is one of kaolin, diatomaceous earth, clay and attapulgite, preferably kaolin.
Preferably, the preparation method of the organic silicon is,
the method comprises the following steps: centrifuging 500g of dimethyl silicone oil at the centrifugal speed of 1800r/min, and heating to 75 ℃ in the centrifuging process;
step two: adding 150g of emulsifier into the dimethyl silicone oil in the step one, and stirring for 5-15min to obtain a mixture;
step three: adding 20g of nano white carbon black into the mixture, continuously stirring for 6-8min, adding 3kg of calcium chloride solution during stirring, and standing for 15-20min after stirring to obtain a mixed solution;
step four: and adding 12g of preservative into the mixed solution, and continuously stirring for 4-6min to obtain the required organic silicon.
Preferably, the emulsifier uses polyphosphate, the preservative uses a mixture of sodium benzoate and potassium sorbate, and the mass ratio of the sodium benzoate to the potassium sorbate is 0.8: and (3) potassium sorbate 1.
The invention has the following beneficial effects:
the flumioxazin dry suspending agent prepared by the method disclosed by the invention has excellent control effect on perennial broadleaf weeds such as morning glory, spiny weed and humulus in corn fields, is high in weeding efficiency and quick in response, has corresponding control effect on other weeds in other crop fields, and is suitable for wide application.
The flumioxazin dry suspending agent prepared by the method disclosed by the invention is low in toxicity, does not cause damage to other crops or organisms except weeds, is high in use safety, and does not cause adverse effects on the environment.
The flumioxazin dry suspending agent prepared by the method disclosed by the invention is strong in stability, convenient to package and transport, long in quality guarantee time and low in use cost.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The dry suspending agent comprises, by weight, 15-85 parts of flumioxazin, 5-15 parts of surfactant, 1-3 parts of defoaming agent, 2-8 parts of dispersing agent and 4-12 parts of disintegrating agent, and the balance of filler.
The composition comprises, by weight, 20-80 parts of flumioxazin, 6-14 parts of surfactant, 1.2-2.8 parts of defoaming agent, 3-7 parts of dispersing agent, 5-11 parts of disintegrating agent and the balance of filler.
Wherein the preparation method of the flumioxazin dry suspending agent comprises the following steps,
the method comprises the following steps: taking flumioxazin as a base material, sequentially adding a surfactant, a dispersing agent and a disintegrating agent, mixing, slowly adding a filler in the mixing process, and mixing for 5-10min to obtain mixed slurry;
step two: sequentially adding the defoaming agent into the mixed slurry, and continuously mixing for 6-8 min;
step three: sanding the mixed slurry obtained in the step two to obtain mixed particles;
step four: spray drying and granulating the mixed particles, wherein the drying temperature is 120-140 ℃, the drying time is 15-25min, and the particle size is kept at 180 meshes;
step five: and packaging to obtain the required flumioxazin dry suspending agent.
The surfactant is phospholipid, sodium stearyl sulfate, sodium stearate, fatty alcohol polyoxyethylene ether and alkylphenol polyoxyethylene phosphate, preferably a mixture of fatty alcohol polyoxyethylene ether and alkylphenol polyoxyethylene phosphate, and the use mass ratio of the fatty alcohol polyoxyethylene ether to the alkylphenol polyoxyethylene phosphate is 1.5: 0.5 of alkylphenol polyoxyethylene phosphate.
Wherein the defoaming agent is higher alcohol, polyether modified silicon, polysiloxane and organosilicon, preferably organosilicon.
Wherein the dispersant is sodium tripolyphosphate, triethylhexylphosphoric acid, methylpentanol, polyacrylamide and sodium polycarboxylate, preferably sodium polycarboxylate, and the disintegrant is one or more of potassium sulfate, sodium chloride and diamine bisulfate.
Wherein, the filler is one or two of kaolin, diatomite, clay and attapulgite, and the kaolin is preferred.
The preparation method of the organic silicon comprises the following steps:
the method comprises the following steps: centrifuging 500g of dimethyl silicone oil at the centrifugal speed of 1800r/min, and heating to 75 ℃ in the centrifuging process;
step two: adding 150g of emulsifier into the dimethyl silicone oil in the step one, and stirring for 5-15min to obtain a mixture;
step three: adding 20g of nano white carbon black into the mixture, continuously stirring for 6-8min, adding 3kg of calcium chloride solution during stirring, and standing for 15-20min after stirring to obtain a mixed solution;
step four: and adding 12g of preservative into the mixed solution, and continuously stirring for 4-6min to obtain the required organic silicon.
Wherein, the emulsifier adopts polyphosphate, the preservative adopts a mixture of sodium benzoate and potassium sorbate, and the using mass ratio is 0.8: and (3) potassium sorbate 1.
Example 2 Fluroxhlor Dry suspending agent 80 parts
The formula is as follows: 80 parts of flumioxazin, 13 parts of a mixture of surfactant fatty alcohol-polyoxyethylene ether and alkylphenol polyoxyethylene phosphate, 2.5 parts of defoamer organic silicon, 6.5 parts of dispersant sodium polycarboxylate and 10 parts of disintegrant sodium sulfate, and the balance of kaolin.
The preparation method is the same as the first embodiment.
Example 3 Fluroxhlor Dry suspending agent 60 parts
The formula is as follows: 60 parts of flumioxazin, 10 parts of a mixture of fatty alcohol-polyoxyethylene ether surfactants and alkylphenol polyoxyethylene phosphate esters, 2 parts of a defoaming agent organic silicon, 5 parts of a sodium polycarboxylate dispersant and 8.5 parts of a diamine bisulfate disintegrant, and the balance of kaolin.
The preparation method is the same as the first embodiment.
Example 4 Fluoroxazin dry suspending agent 40 parts
The formula is as follows: 40 parts of flumioxazin, 8 parts of a mixture of fatty alcohol-polyoxyethylene ether surfactants and alkylphenol polyoxyethylene phosphate esters, 1.65 parts of defoaming agent organic silicon, 5.5 parts of sodium polycarboxylate dispersing agent and 7 parts of sodium chloride disintegrant, and the balance of kaolin.
The preparation method is the same as the first embodiment.
Example 5 Fluoroxazin dry suspending agent 25 parts
The formula is as follows: 25 parts of flumioxazin, 6.5 parts of a mixture of surfactant fatty alcohol-polyoxyethylene ether and alkylphenol polyoxyethylene phosphate, 1.45 parts of defoamer organic silicon, 6.5 parts of dispersant sodium polycarboxylate and 7.5 parts of disintegrant diamine bisulfate, and the balance of kaolin.
The preparation method is the same as the first embodiment.
Example 6 Fluroxhlor Dry suspending agent 20 parts
The formula is as follows: 20 parts of flumioxazin, 5 parts of a mixture of surfactant fatty alcohol-polyoxyethylene ether and alkylphenol polyoxyethylene phosphate, 1.2 parts of defoamer organic silicon, 4 parts of dispersant sodium polycarboxylate and 5.5 parts of disintegrant sodium sulfate, and the balance of kaolin.
The preparation method is the same as the first embodiment.
Example 7 Fluoroxazin dry suspending agent 15 parts
The formula is as follows: 15 parts of flumioxazin, 10 parts of a mixture of fatty alcohol-polyoxyethylene ether surfactant and alkylphenol polyoxyethylene phosphate ester, 1.2 parts of defoaming agent organic silicon, 6.5 parts of sodium polycarboxylate dispersant and 8.5 parts of diamine bisulfate disintegrant, and the balance of kaolin.
The preparation method is the same as the first embodiment.
Example 8 Fluroxhlor Dry suspending agent 70 parts
The formula is as follows: 70 parts of flumioxazin, 7 parts of a mixture of fatty alcohol-polyoxyethylene ether surfactant and alkylphenol polyoxyethylene phosphate ester, 1.5 parts of defoaming agent organic silicon, 5.5 parts of sodium polycarboxylate dispersant and 7.5 parts of sodium chloride disintegrant, and the balance of kaolin.
The preparation method is the same as the first embodiment.
Example 9 Fluroxhlor Dry suspending agent 50 parts
The formula is as follows: 50 parts of flumioxazin, 14 parts of a mixture of surfactant fatty alcohol-polyoxyethylene ether and alkylphenol polyoxyethylene phosphate, 2.4 parts of defoaming agent organic silicon, 6 parts of dispersant sodium polycarboxylate and 9.5 parts of disintegrant sodium sulfate, and the balance of kaolin.
The preparation method is the same as the first embodiment.
Example 10 Fluroxhlor Dry suspending agent 30 parts
The formula is as follows: 30 parts of flumioxazin, 7 parts of a mixture of fatty alcohol-polyoxyethylene ether surfactants and alkylphenol polyoxyethylene phosphate esters, 2.5 parts of a defoaming agent organic silicon, 6.5 parts of a sodium polycarboxylate dispersant and 5 parts of a diamine bisulfate disintegrant, and the balance of kaolin.
The preparation method is the same as the first embodiment.
Example 11
The control object is mainly morning glory, the reference object is a commercial ordinary morning glory medicament, spraying is carried out according to the effective component dosage of 15g/ha, the reference medicament is 50% wettable powder of the morning glory (purchased from market), wherein the morning glory is represented as each example group, the commercial evening glory medicament is represented as a reference group, 10 test fields with the same area are respectively selected, the medicament dosage of each test field is kept consistent, sampling detection is carried out respectively at 12 hours, 24 hours, 72 hours and one week after application, the control effect (%) of the morning glory is obtained, and the experimental results are shown in the following table:
the first table shows the control conditions of morning glory in different time intervals of each control group:
group of 12h 24h 72h 7 days
Control group 4.24 16.75 28.34 59.98
Example 2 19.36 32.10 55.19 91.37
Example 3 16.45 26.91 49.99 87.69
Example 4 15.86 23.46 44.69 84.78
Example 5 13.82 22.60 41.76 81.93
Example 6 11.88 19.45 38.64 78.77
Example 7 11.21 20.67 37.34 78.29
Example 8 18.32 34.48 50.61 89.63
Example 9 14.47 22.25 50.32 82.60
Example 10 12.87 17.90 37.29 80.31
As can be seen from the table I, the flumioxazin dry suspension prepared by the method has better control effect on the morning glory in the corn field than the common flumioxazin medicaments sold in the market, the drug effect is quick, the application amount of the flumioxazin is in direct proportion to the control effect, and the scheme is practical and effective for controlling weeds such as the morning glory in the corn field.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (9)

1. The flumioxazin dry suspending agent is characterized in that: the composition comprises, by weight, 15-85 parts of flumioxazin, 5-15 parts of surfactant, 1-3 parts of defoaming agent, 2-8 parts of dispersing agent and 4-12 parts of disintegrating agent, and the balance of filler.
2. The dry suspension concentrate of flumioxazin as claimed in claim 1, which is characterized in that: the composition comprises, by weight, 20-80 parts of flumioxazin, 6-14 parts of surfactant, 1.2-2.8 parts of defoaming agent, 3-7 parts of dispersing agent, 5-11 parts of disintegrating agent and the balance of filler.
3. The process for preparing a dry suspension of flumioxazin as claimed in claim 1 or 2, which comprises:
the method comprises the following steps: taking flumioxazin as a base material, sequentially adding a surfactant, a dispersing agent and a disintegrating agent, mixing, slowly adding a filler in the mixing process, and mixing for 5-10min to obtain mixed slurry;
step two: sequentially adding the defoaming agent into the mixed slurry, and continuously mixing for 6-8 min;
step three: sanding the mixed slurry obtained in the step two to obtain mixed particles;
step four: spray drying and granulating the mixed particles, wherein the drying temperature is 120-140 ℃, the drying time is 15-25min, and the particle size is kept at 180 meshes;
step five: and packaging to obtain the required flumioxazin dry suspending agent.
4. The dry suspension concentrate of flumioxazin as claimed in any one of claims 1 to 3, which is characterized in that: the surfactant is phospholipid, sodium stearyl sulfate, sodium stearate, fatty alcohol polyoxyethylene ether and alkylphenol polyoxyethylene phosphate, preferably a mixture of fatty alcohol polyoxyethylene ether and alkylphenol polyoxyethylene phosphate, and the use mass ratio of the fatty alcohol polyoxyethylene ether to the alkylphenol polyoxyethylene phosphate is 1.5: 0.5 of alkylphenol polyoxyethylene phosphate.
5. The dry suspension concentrate of flumioxazin as claimed in any one of claims 1 to 3, which is characterized in that: the defoaming agent is high-carbon alcohol, polyether modified silicon, polysiloxane and organic silicon, and preferably organic silicon.
6. The dry suspension concentrate of flumioxazin as claimed in any one of claims 1 to 3, which is characterized in that: the dispersing agent is sodium tripolyphosphate, triethylhexyl phosphoric acid, methyl amyl alcohol, polyacrylamide and sodium polycarboxylate, preferably sodium polycarboxylate, and the disintegrating agent is one or more of potassium sulfate, sodium chloride and diamine bisulfate.
7. The dry suspension concentrate of flumioxazin as claimed in any one of claims 1 to 3, which is characterized in that: the filler is one of kaolin, diatomite, clay and attapulgite, and kaolin is preferred.
8. The dry suspension concentrate of flumioxazin as claimed in claim 5, wherein: the preparation method of the organic silicon comprises the following steps:
the method comprises the following steps: centrifuging 500g of dimethyl silicone oil at the centrifugal speed of 1800r/min, and heating to 75 ℃ in the centrifuging process;
step two: adding 150g of emulsifier into the dimethyl silicone oil in the step one, and stirring for 5-15min to obtain a mixture;
step three: adding 20g of nano white carbon black into the mixture, continuously stirring for 6-8min, adding 3kg of calcium chloride solution during stirring, and standing for 15-20min after stirring to obtain a mixed solution;
step four: and adding 12g of preservative into the mixed solution, and continuously stirring for 4-6min to obtain the required organic silicon.
9. The dry suspension concentrate of flumioxazin as claimed in claim 8, which is characterized in that: the emulsifier adopts polyphosphate, the preservative adopts a mixture of sodium benzoate and potassium sorbate, and the using mass ratio of the sodium benzoate to the potassium sorbate is 0.8: and (3) potassium sorbate 1.
CN202010695091.0A 2020-07-19 2020-07-19 Flumioxazin dry suspending agent and preparation method thereof Pending CN111789113A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080139390A1 (en) * 2004-09-03 2008-06-12 Andrew Plant Isoxazoline Derivatives and Their Use as Herbicides
CN101987256A (en) * 2009-08-02 2011-03-23 扬州润达油田化学剂有限公司 Production process of organosilicone emulsion defoaming agent
CN103830938A (en) * 2014-03-20 2014-06-04 扬州晨化新材料股份有限公司 Preparation method of organic silicon defoamer
CN105613521A (en) * 2016-02-24 2016-06-01 苏州佳辉化工有限公司 Herbicide special for soybean field
CN108991000A (en) * 2018-09-30 2018-12-14 江西农业大学 A kind of avermectin nanometer dry suspending agent and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080139390A1 (en) * 2004-09-03 2008-06-12 Andrew Plant Isoxazoline Derivatives and Their Use as Herbicides
CN101987256A (en) * 2009-08-02 2011-03-23 扬州润达油田化学剂有限公司 Production process of organosilicone emulsion defoaming agent
CN103830938A (en) * 2014-03-20 2014-06-04 扬州晨化新材料股份有限公司 Preparation method of organic silicon defoamer
CN105613521A (en) * 2016-02-24 2016-06-01 苏州佳辉化工有限公司 Herbicide special for soybean field
CN108991000A (en) * 2018-09-30 2018-12-14 江西农业大学 A kind of avermectin nanometer dry suspending agent and preparation method thereof

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Application publication date: 20201020