CN109792993A - A kind of environmentally friendly Rynaxypyr nanometer pulvis and preparation method thereof - Google Patents
A kind of environmentally friendly Rynaxypyr nanometer pulvis and preparation method thereof Download PDFInfo
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- CN109792993A CN109792993A CN201811634818.3A CN201811634818A CN109792993A CN 109792993 A CN109792993 A CN 109792993A CN 201811634818 A CN201811634818 A CN 201811634818A CN 109792993 A CN109792993 A CN 109792993A
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- rynaxypyr
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Abstract
The invention belongs to technical field of pesticide, especially a kind of environmentally friendly Rynaxypyr nanometer pulvis, including active components A, the active components A is Rynaxypyr, further includes solvent 13-25wt%, small molecule auxiliary agent 10-25wt%, pluronic polymer less than 10-16wt% and dispersing agent water 34-53wt%.After above-mentioned formula and technique, Rynaxypyr nanometer pulvis nanoscale prepared by the present invention, the pesticide of same quality, the area of more pesticide granule amounts, bigger surface area and target contact is just wider, the drug effect of performance is just higher, it can be used for aviation plant protection special agent, do not generate precipitating, spray head will not be blocked；Environmental-friendly auxiliary agent is selected, does not select high poison solvent and auxiliary agent, it is more efficient, more environmentally friendly and safer, it changes in the past only with efficient, less toxic for preferred state, it is desirable that medicament is environmentally safe as the most important condition.
Description
Technical field
The invention belongs to technical field of pesticide, especially a kind of environmentally friendly Rynaxypyr nanometer pulvis and its system
Preparation Method.
Background technique
In agricultural production process, plant pest occur it is serious, endanger the positions such as plant roots, stem, leaf and fruit,
The organs of multiplication such as seed, stem tuber, make crop yield fall sharply, and quality decline is serious.When pest and disease damage occurs serious, cause crop exhausted
It receives.Therefore, plant pest is of virtually important prevention and treatment meaning in production, and fungicide or insecticide are prevention and treatment plant disease pests
Evil method the most economic, quick and effective.
Rynaxypyr (chlorantraniliprole) is a kind of insecticide of overseas enterprise's exploitation, belongs to ryania
Receptor activators.Can be used for preventing and treating Lepidoptera in the various crops such as fruit tree, vegetables, cotton, sugarcane, rice, wheat, corn,
The various pests such as Diptera, coleoptera, Isoptera.CAS accession number is 500008-45-7.
108402050 A of Chinese invention patent application CN discloses a kind of composition of containing chlorantraniliprole, including work
Property ingredient A and B, wherein A is Rynaxypyr, and B is nitrile pyrrole mite ester, cyflumetofen, pyrazine Fipronil, pyridine Fipronil, fluorine
One of thiophene worm sulfone, 2-cyano-3-amino-3-phenylancryic acetate, Silthiopham, 1,3- dichloropropylene, sad mantoquita, dichlobentiazox or a kind of
Combination of the above further includes the auxiliary agent that can be used in Pesticide formulation, conventional pesticidal preparations is made, and is applied to prevention and treatment plant
Pest and disease damage.
Summary of the invention
The technical problem to be solved by the invention is to provide a kind of Environmental security and efficient Rynaxypyr nano powders
Agent and preparation method thereof.
In order to solve the above technical problems, a kind of environmentally friendly Rynaxypyr nanometer pulvis of the invention, including
Active components A, the active components A are Rynaxypyr, further include solvent 13-25wt%, small molecule auxiliary agent 10-
25wt%, pluronic polymer are less than 10-16wt% and dispersing agent water 34-53wt%.
Preferably, the solvent selects one or both of dimethylformamide or dimethyl sulfoxide.
Preferably, the biodegradable small molecule auxiliary agent of the small molecule selection of auxiliary, including anionic surface activity
Agent or nonionic surface active agent.
Preferably, the ionic surfactant includes carboxylate, the sulphur for the straight chained alkyl that different carbon atom numbers are constituted
Hydrochlorate, sulfate, the nonionic surface active agent include straight chained alkyl ether, the ester, amide that different carbon atom numbers are constituted
Polyoxyethylene ether, at least two mixture in the biodegradable above-mentioned surfactant of small molecule selection of auxiliary,
The HLB value position 12-15 of the small molecule auxiliary agent, dosage 10-25%.
Preferably, the pluronic polymer selects water soluble polymer auxiliary agent, including water-soluble macromolecule and its spreads out
Biology or synthesis macromolecule.
Preferably, the water-soluble macromolecule and its derivative include dextrin, cyclodextrin, water soluble starch, oxidation
Starch, carboxymethyl starch, modified starch, carboxymethyl cellulose, hydroxyethyl hydroxypropyl base cellulose；Carboxymethyl chitosan, modified melon
That glue, Tea Saponin, the synthesis macromolecule select polyvinyl alcohol, Sodium Polyacrylate, polyacrylamide, polypyrrole alkanone, polyphenyl
Ethylene-maleic acid sodium, the water soluble polymer selection of auxiliary are one such or several.
The invention also discloses a kind of environmentally friendly Rynaxypyr nanometer pulvis preparation method, the preparation methods
Include the following steps,
(1) a certain amount of pesticide original medicine is dissolved in solvent or in the mixed solvent, be configured to close to saturated solution, referred to as component
A；
(2) a certain amount of pluronic polymer is dissolved in water, stirs, is configured to certain density aqueous solution, referred to as group
Divide B；
(3) a certain amount of small molecule auxiliary agent is added in component B, stirring is configured to composite assistant solution, referred to as component C；
(4) under agitation, it by the pesticide solution, that is, component A, instills in composite assistant solution, that is, component C, control is added dropwise
Speed makes it not generate precipitating, and keeps solution transparent, becomes component D；
(5) component D is spray-dried, obtains target product.
Preferably, the pesticide original medicine in the step (1) includes active components A, and the active components A is chlorine worm benzoyl
Amine.
Preferably, the pluronic polymer in the step (2) be selected from dextrin, cyclodextrin, water soluble starch, oxidized starch,
Carboxymethyl starch, modified starch, carboxymethyl cellulose, hydroxyethyl hydroxypropyl base cellulose, carboxymethyl chitosan, modified guar,
Tea Saponin, the synthesis macromolecule select polyvinyl alcohol, Sodium Polyacrylate, polyacrylamide, polypyrrole alkanone, polystyrene-
One or more of maleic acid sodium.
Preferably, the small molecule auxiliary agent in the step (3) is selected from carboxylate, sulfonate, sulfate, different carbon atom numbers
The straight chained alkyl ether of composition, ester, amide polyoxyethylene ether at least two, the HLB value position 12- of the small molecule auxiliary agent
15, dosage 10-25%.
After above-mentioned formula and technique, Rynaxypyr nanometer pulvis nanoscale prepared by the present invention, same quality
Pesticide, the area of more pesticide granule amounts, bigger surface area and target contact is just wider, and the drug effect of performance is just more
Height, can be used for aviation plant protection special agent, not generate precipitating, will not block spray head；Environmental-friendly auxiliary agent is selected, is not selected
High poison solvent (benzene, toluene, dimethylbenzene, methanol) and auxiliary agent (nonylphenol polyoxyethylene ether), it is more efficient, more environmentally friendly and safer,
It changes in the past only with efficient, less toxic for preferred state, it is desirable that medicament is environmentally safe as the most important condition.
Specific embodiment
The following examples can make those skilled in the art that the present invention be more fully understood, but these embodiments are not
Limiting the scope of the invention." one embodiment " or " embodiment " referred to herein, which refers to, may be included in the present invention at least
A particular feature, structure, or characteristic in one implementation.In the present specification different places occur " in one embodiment
In " the same embodiment not is referred both to, nor the individual or selective embodiment mutually exclusive with other embodiments.
Wt% in the present invention refers to that each raw material accounts for the mass percent of total mass of raw material.
Embodiment 1
A kind of environmentally friendly Rynaxypyr nanometer pulvis, including active components A, the active components A are chlorine worm
Benzamide, active constituent 8wt% further include solvent 13wt%, small molecule auxiliary agent 10wt%, pluronic polymer 16wt%, divide
Powder water 53wt%.
Wherein, solvent selects dimethylformamide.
Wherein, the biodegradable small molecule auxiliary agent of small molecule selection of auxiliary, including anionic surfactant or non-
Ionic surfactant, ionic surfactant include carboxylate, the sulfonic acid for the straight chained alkyl that different carbon atom numbers are constituted
Salt, nonionic surface active agent includes the polyoxyethylene ether of the straight chained alkyl ether of different carbon atom numbers compositions, ester, amide, small
The HLB value position 12-15 of molecule auxiliary agent, dosage 10%.
Wherein, pluronic polymer selects water soluble polymer auxiliary agent, including water-soluble macromolecule and its derivative, day
Right water soluble polymer and its derivative select dextrin, cyclodextrin and water soluble starch.
Environmentally friendly Rynaxypyr nanometer pulvis preparation method in the present embodiment includes the following steps,
(1) pesticide original medicine is dissolved in solvent or in the mixed solvent, be configured to close to saturated solution (pesticide active ingredient
Content is by the small content in final nano-powder preparation), referred to as component A；
(2) pluronic polymer is dissolved in water, stirs, is configured to certain density aqueous solution, referred to as component B；
(3) small molecule auxiliary agent is added in component B, stirring is configured to composite assistant solution, referred to as component C；
(4) under agitation, it by the pesticide solution, that is, component A, instills in composite assistant solution, that is, component C, control is added dropwise
Speed makes it not generate precipitating, and keeps solution transparent, becomes component D；
(5) component D is spray-dried, obtains target product.
Embodiment 2
A kind of environmentally friendly Rynaxypyr nanometer pulvis, including active components A, the active components A are chlorine worm
The mass fraction of benzamide, active constituent is 6wt%, further includes solvent 25wt%, small molecule auxiliary agent 25wt%, polymeric retention aid
Agent 10wt% and dispersing agent water 34wt%.
Wherein, solvent selects dimethyl sulfoxide.
Wherein, the biodegradable small molecule auxiliary agent of small molecule selection of auxiliary, including anionic surfactant, ion
Type surfactant includes carboxylate, sulfonate, the sulfate for the straight chained alkyl that different carbon atom numbers are constituted, small molecule auxiliary agent
HLB value position 12-15, dosage 25%.
Wherein, pluronic polymer selects water soluble polymer auxiliary agent, including water-soluble macromolecule and its derivative, day
Right water soluble polymer and its derivative include carboxymethyl chitosan, modified guar, Tea Saponin.
Environmentally friendly Rynaxypyr nanometer pulvis preparation method in the present embodiment includes the following steps,
(1) pesticide original medicine is dissolved in solvent or in the mixed solvent, be configured to close to saturated solution (pesticide active ingredient
Content is by the small content in final nano-powder preparation), referred to as component A；
(2) pluronic polymer is dissolved in water, stirs, is configured to certain density aqueous solution, referred to as component B；
(3) small molecule auxiliary agent is added in component B, stirring is configured to composite assistant solution, referred to as component C；
(4) under agitation, it by the pesticide solution, that is, component A, instills in composite assistant solution, that is, component C, control is added dropwise
Speed makes it not generate precipitating, and keeps solution transparent, becomes component D；
(5) component D is spray-dried, obtains target product.
Embodiment 3
A kind of environmentally friendly Rynaxypyr nanometer pulvis, including active components A, the active components A are chlorine worm
Benzamide, active constituent account for 9wt%, further include solvent 22wt%, small molecule auxiliary agent 17wt%, pluronic polymer 12wt% and
Dispersing agent water 40wt%.
Wherein, solvent selects dimethylformamide and dimethyl sulfoxide to mix according to volume ratio 1:1.
Wherein, the biodegradable small molecule auxiliary agent of small molecule selection of auxiliary, including nonionic surface active agent, it is non-from
Subtype surfactant includes the polyoxyethylene ether of the straight chained alkyl ether of different carbon atom numbers compositions, ester, amide, small molecule auxiliary agent
HLB value position 12-15, dosage 10-25%.
Wherein, pluronic polymer selects water soluble polymer auxiliary agent, including synthesis macromolecule, and synthesis macromolecule selects poly- second
Enol, Sodium Polyacrylate, polyacrylamide, polypyrrole alkanone, polystyrene-maleic acid sodium.
Environmentally friendly Rynaxypyr nanometer pulvis preparation method in the present embodiment includes the following steps,
(1) pesticide original medicine is dissolved in solvent or in the mixed solvent, be configured to close to saturated solution (pesticide active ingredient
Content is by the small content in final nano-powder preparation), referred to as component A；
(2) pluronic polymer is dissolved in water, stirs, is configured to certain density aqueous solution, referred to as component B；
(3) small molecule auxiliary agent is added in component B, stirring is configured to composite assistant solution, referred to as component C；
(4) under agitation, it by the pesticide solution, that is, component A, instills in composite assistant solution, that is, component C, control is added dropwise
Speed makes it not generate precipitating, and keeps solution transparent, becomes component D；
(5) component D is spray-dried, obtains target product.
The above description is merely a specific embodiment, and scope of protection of the present invention is not limited thereto, any ripe
Know those skilled in the art in the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of, should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope that protection scope of the present invention should be defined with claim
Subject to.
Claims (10)
1. a kind of environmentally friendly Rynaxypyr nanometer pulvis, it is characterised in that: including active components A, it is described activity at
Dividing A is Rynaxypyr, further includes solvent 13-25wt%, small molecule auxiliary agent 10-25wt%, pluronic polymer less than 10-
16wt% and dispersing agent water 34-53wt%.
2. a kind of environmentally friendly Rynaxypyr nanometer pulvis according to claim 1, it is characterised in that: described molten
One or both of dimethylformamide or dimethyl sulfoxide are selected in agent.
3. a kind of environmentally friendly Rynaxypyr nanometer pulvis according to claim 1, it is characterised in that: described small
The biodegradable small molecule auxiliary agent of molecule selection of auxiliary, including anionic surfactant or non-ionic surfactant
Agent.
4. a kind of environmentally friendly Rynaxypyr nanometer pulvis according to claim 3, it is characterised in that: it is described from
Subtype surfactant includes carboxylate, sulfonate, the sulfate for the straight chained alkyl that different carbon atom numbers are constituted, the nonionic
Type surfactant includes the polyoxyethylene ether of the straight chained alkyl ether of different carbon atom numbers compositions, ester, amide, described biological to drop
At least two mixture in the above-mentioned surfactant of small molecule selection of auxiliary of solution, the HLB value position of the small molecule auxiliary agent
12-15, dosage 10-25%.
5. a kind of environmentally friendly Rynaxypyr nanometer pulvis according to claim 1, it is characterised in that: the height
Molecule selection of auxiliary water soluble polymer auxiliary agent, including water-soluble macromolecule and its derivative or synthesis macromolecule.
6. a kind of environmentally friendly Rynaxypyr nanometer pulvis according to claim 5, it is characterised in that: the day
Right water soluble polymer and its derivative include dextrin, cyclodextrin, water soluble starch, oxidized starch, carboxymethyl starch, modified shallow lake
Powder, carboxymethyl cellulose, hydroxyethyl hydroxypropyl base cellulose；Carboxymethyl chitosan, modified guar, Tea Saponin, the synthesis are high
Molecule selects polyvinyl alcohol, Sodium Polyacrylate, polyacrylamide, polypyrrole alkanone, polystyrene-maleic acid sodium, described
Water soluble polymer selection of auxiliary is one such or several.
7. a kind of environmentally friendly Rynaxypyr nanometer pulvis preparation method, it is characterised in that: the preparation method includes
Following steps,
(1) a certain amount of pesticide original medicine is dissolved in solvent or in the mixed solvent, be configured to close to saturated solution, referred to as component A；
(2) a certain amount of pluronic polymer is dissolved in water, stirs, is configured to certain density aqueous solution, referred to as component B；
(3) a certain amount of small molecule auxiliary agent is added in component B, stirring is configured to composite assistant solution, referred to as component C；
(4) under agitation, it by the pesticide solution, that is, component A, instills in composite assistant solution, that is, component C, controls rate of addition,
So that it is not generated precipitating, and keep solution transparent, becomes component D；
(5) component D is spray-dried, obtains target product.
8. a kind of environmentally friendly Rynaxypyr nanometer pulvis preparation method according to claim 7, feature exist
In: the pesticide original medicine in the step (1) includes active components A, and the active components A is Rynaxypyr.
9. a kind of environmentally friendly Rynaxypyr nanometer pulvis preparation method according to claim 7, feature exist
Dextrin is selected from: pluronic polymer in the step (2), cyclodextrin, water soluble starch, oxidized starch, carboxymethyl starch, is changed
Property starch, carboxymethyl cellulose, hydroxyethyl hydroxypropyl base cellulose, carboxymethyl chitosan, modified guar, Tea Saponin, the conjunction
At in macromolecule selection polyvinyl alcohol, Sodium Polyacrylate, polyacrylamide, polypyrrole alkanone, polystyrene-maleic acid sodium
One or more.
10. a kind of environmentally friendly Rynaxypyr nanometer pulvis preparation method according to claim 7, feature exist
In: the small molecule auxiliary agent in the step (3) is selected from the straight chain alkane that carboxylate, sulfonate, sulfate, different carbon atom numbers are constituted
Base ether, ester, amide polyoxyethylene ether at least two, the HLB value position 12-15 of the small molecule auxiliary agent, dosage 10-
25%.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634818.3A CN109792993A (en) | 2018-12-29 | 2018-12-29 | A kind of environmentally friendly Rynaxypyr nanometer pulvis and preparation method thereof |
| PCT/IB2019/057429 WO2020136451A1 (en) | 2018-12-28 | 2019-09-04 | Method for preparing miscible nano-pesticide suspension |
| GB2010113.5A GB2587264B (en) | 2018-12-28 | 2019-09-04 | Method for preparing miscible nanosuspension |
| GB2010112.7A GB2585502B (en) | 2018-12-28 | 2019-09-04 | Miscible nanosuspension |
| PCT/IB2019/057428 WO2020136450A1 (en) | 2018-12-28 | 2019-09-04 | Miscible nano-sized pesticide suspension |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634818.3A CN109792993A (en) | 2018-12-29 | 2018-12-29 | A kind of environmentally friendly Rynaxypyr nanometer pulvis and preparation method thereof |
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| CN109792993A true CN109792993A (en) | 2019-05-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020136451A1 (en) * | 2018-12-28 | 2020-07-02 | 张子勇 | Method for preparing miscible nano-pesticide suspension |
| WO2020135600A1 (en) * | 2018-12-28 | 2020-07-02 | 南京善思生物科技有限公司 | Nano pesticide formulation and preparation method therefor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107156119A (en) * | 2017-06-23 | 2017-09-15 | 中国农业科学院农业环境与可持续发展研究所 | A kind of nano-pesticide formulation and preparation method thereof |
| CN107306942A (en) * | 2017-06-23 | 2017-11-03 | 中国农业科学院农业环境与可持续发展研究所 | The preparation method of control release type nano-pesticide formulation |
| CN107347881A (en) * | 2017-06-23 | 2017-11-17 | 中国农业科学院农业环境与可持续发展研究所 | A kind of pesticide nano capsules and preparation method thereof |
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2018
- 2018-12-29 CN CN201811634818.3A patent/CN109792993A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107156119A (en) * | 2017-06-23 | 2017-09-15 | 中国农业科学院农业环境与可持续发展研究所 | A kind of nano-pesticide formulation and preparation method thereof |
| CN107306942A (en) * | 2017-06-23 | 2017-11-03 | 中国农业科学院农业环境与可持续发展研究所 | The preparation method of control release type nano-pesticide formulation |
| CN107347881A (en) * | 2017-06-23 | 2017-11-17 | 中国农业科学院农业环境与可持续发展研究所 | A kind of pesticide nano capsules and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020136451A1 (en) * | 2018-12-28 | 2020-07-02 | 张子勇 | Method for preparing miscible nano-pesticide suspension |
| WO2020135600A1 (en) * | 2018-12-28 | 2020-07-02 | 南京善思生物科技有限公司 | Nano pesticide formulation and preparation method therefor |
| GB2587264A (en) * | 2018-12-28 | 2021-03-24 | Zhang Ziyong | Method for preparing miscible nano-pesticide suspension |
| CN113260257A (en) * | 2018-12-28 | 2021-08-13 | 南京善思生物科技有限公司 | Nano pesticide preparation and preparation method thereof |
| CN113260257B (en) * | 2018-12-28 | 2022-09-06 | 南京善思生物科技有限公司 | Nano pesticide preparation and preparation method thereof |
| GB2587264B (en) * | 2018-12-28 | 2022-11-09 | Zhang Ziyong | Method for preparing miscible nanosuspension |
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