CN110742061A - Imidacloprid emulsifier and preparation method and application thereof - Google Patents
Imidacloprid emulsifier and preparation method and application thereof Download PDFInfo
- Publication number
- CN110742061A CN110742061A CN201911097933.6A CN201911097933A CN110742061A CN 110742061 A CN110742061 A CN 110742061A CN 201911097933 A CN201911097933 A CN 201911097933A CN 110742061 A CN110742061 A CN 110742061A
- Authority
- CN
- China
- Prior art keywords
- imidacloprid
- emulsifier
- stirring
- solvent
- solution prepared
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Zoology (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Wood Science & Technology (AREA)
- Environmental Sciences (AREA)
- Dispersion Chemistry (AREA)
- Toxicology (AREA)
- Chemical & Material Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
The invention discloses an imidacloprid emulsifier which comprises the following components in percentage by weight: 0.05 to 4 percent of imidacloprid; 4% -8% of isopropanol; 1% -6% of an emulsifier; 0.1 to 0.5 percent of antioxidant; 1-2% of thickening stabilizer; 70-80% of solvent. In the application process, the imidacloprid emulsifier is mixed with more water (on the basis of not damaging plants) to prepare slow-release spray for application, and the imidacloprid is slowly released along with the dissolution of cetostearyl alcohol for emulsification, the stable and thickened hydroxyethyl acrylate/acryloyl dimethyl taurate copolymer and a dimethylformamide solvent, so that the drug property is long in duration and slowly released, and the technical defects that the conventional imidacloprid drug is easily and quickly absorbed by the root system of the plant after being applied, the phenomena of short control effect and poor control effect at the later stage are obvious, the high-concentration imidacloprid drug is high in toxicity, and the plant has high toxicity and high residual drug are easily caused can be effectively solved.
Description
Technical Field
The invention relates to an imidacloprid emulsifier, and a preparation method and application thereof, and belongs to the technical field of biological product research and development.
Background
The imidacloprid is one of the most used insecticides in the world, belongs to chloronicotinyl insecticides, is an action body of a nicotine acetylcholine receptor, interferes the motor nervous system of pests to cause the failure of chemical signal transmission, and is mainly used for preventing and treating piercing-sucking mouthpart pests. The imidacloprid has the characteristics of broad spectrum, high efficiency, low toxicity, low residue, safety to people, livestock and plants and the like, has good quick action and multiple drug effects of contact poisoning, stomach toxicity, systemic absorption and the like.
The existing imidacloprid medicament is easy to be quickly absorbed by plant roots after being applied, has the prominent phenomena of short control effect and poor later control effect, and the high-concentration imidacloprid medicament has high toxicity and easily causes high toxicity and high residual medicament in plants. Therefore, it is necessary to develop a slow-release low-concentration imidacloprid emulsifier with long drug property duration.
Disclosure of Invention
The invention aims to overcome the technical defects in the prior art, solve the technical problems and provide an imidacloprid emulsifier, and a preparation method and application thereof.
The invention adopts the following technical scheme: the imidacloprid emulsifier is characterized by comprising the following components in percentage by weight:
0.05 to 4 percent of imidacloprid; 4% -8% of isopropanol; 1% -6% of an emulsifier; 0.1 to 0.5 percent of antioxidant; 1-2% of thickening stabilizer; 70-80% of solvent.
As a preferred embodiment, the imidacloprid emulsifier is prepared from the following components in percentage by weight:
0.5-2% of imidacloprid; 4% -6% of isopropanol; 2% -5% of an emulsifier; 0.2 to 0.4 percent of antioxidant; 1-2% of thickening stabilizer; 70-75% of solvent.
As a preferred example, the thickening stabilizer is hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer.
In a preferred embodiment, the antioxidant is tea polyphenol.
As a preferred example, the solvent is dimethylformamide.
As a preferred example, the emulsifier is cetearyl alcohol.
The invention also provides a preparation method of the imidacloprid emulsifier, which is characterized by comprising the following steps:
step SS 1: dissolving imidacloprid in partial solvent by stirring for 10 min;
step SS 2: adding isopropanol into the solution prepared in the step SS1, and stirring for 10 min;
step SS 3: adding an emulsifier into the solution prepared in the step SS2, stirring for 10min, then adding a thickening stabilizer, and stirring for 10 min;
step SS 4: and (3) dissolving the antioxidant by using the balance of solvent, adding the obtained solution into the solution prepared in the step SS3, and stirring and mixing for 20min to obtain the imidacloprid emulsifier.
As a preferred embodiment, the preparation method comprises the following steps:
step SS 1: dissolving imidacloprid in partial solvent by stirring for 10 min;
step SS 2: adding isopropanol into the solution prepared in the step SS1, and stirring for 10 min;
step SS 3: adding cetearyl alcohol into the solution prepared in the step SS2, stirring for 10min, then adding hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, and stirring for 10 min;
step SS 4: and (3) dissolving tea polyphenol with the balance of solvent, adding the obtained solution into the solution prepared in the step SS3, and stirring for 20min for mixing to obtain the imidacloprid emulsifier.
The invention also provides the use of the imidacloprid emulsifier as a slow-release pesticide and for preventing and controlling underground pests.
The invention achieves the following beneficial effects: aiming at the technical defects that the conventional imidacloprid medicament is easily and quickly absorbed by a plant root system after being applied, has short control effect and poor later control effect, and the high-concentration imidacloprid medicament has high toxicity and easily causes high toxicity and high residual medicament on plants, the low-concentration imidacloprid emulsifier is prepared by mixing the low-concentration imidacloprid with cosolvent isopropanol, emulsifying cetostearyl alcohol, stably-thickened hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, antioxidant tea polyphenol and a dimethylformamide solvent, and is prepared by mixing the imidacloprid emulsifier with more water (taking no damage to plants as a reference) to prepare slow-release spray for application, wherein the imidacloprid is slowly released along with the dissolution of emulsifying cetostearyl alcohol, stably-thickened hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer and the dimethylformamide solvent, the imidacloprid sustained-release insecticide has long drug property and slow release, and can effectively solve the technical defects that the prior imidacloprid insecticide is easy to be quickly absorbed by plant roots after being applied, has short control effect and poor later control effect, and the high-concentration imidacloprid insecticide has high toxicity and easily causes high toxicity and high residual insecticide in plants.
Detailed Description
The invention is further described below. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1, preparation of 0.5% Imidacloprid emulsifier.
According to the weight percentage, the 0.5 percent imidacloprid emulsifier comprises the following components:
0.5 percent of imidacloprid; 4% of isopropanol; cetostearyl alcohol 5%; 0.1% of tea polyphenol; 1.4 percent of hydroxyethyl acrylate/acryloyl dimethyl sodium taurate copolymer; the balance being dimethylformamide solvent.
Weighing the components according to the mass fraction, and the preparation method also comprises the following steps:
step SS 1: stirring part of the imidacloprid with a dimethylformamide solvent for 10min to dissolve;
step SS 2: adding isopropanol into the solution prepared in the step SS1, and stirring for 10 min;
step SS 3: adding cetearyl alcohol into the solution prepared in the step SS2, stirring for 10min, then adding hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, and stirring for 10 min;
step SS 4: and (3) dissolving tea polyphenol with the balance of a dimethylformamide solvent, adding the obtained solution into the solution prepared in the step SS3, and stirring for 20min for mixing to obtain the imidacloprid emulsifier.
Example 2, preparation of 1% Imidacloprid emulsifier.
The 1% imidacloprid emulsifier comprises the following components in percentage by weight:
1% of imidacloprid; 4% of isopropanol; cetostearyl alcohol 5%; 0.1% of tea polyphenol; 1.4 percent of hydroxyethyl acrylate/acryloyl dimethyl sodium taurate copolymer; the balance being dimethylformamide solvent.
The preparation method comprises the following steps:
step SS 1: stirring part of the imidacloprid with a dimethylformamide solvent for 10min to dissolve;
step SS 2: adding isopropanol into the solution prepared in the step SS1, and stirring for 10 min;
step SS 3: adding cetearyl alcohol into the solution prepared in the step SS2, stirring for 10min, then adding hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, and stirring for 10 min;
step SS 4: and (3) dissolving tea polyphenol with the balance of a dimethylformamide solvent, adding the obtained solution into the solution prepared in the step SS3, and stirring for 20min for mixing to obtain the imidacloprid emulsifier.
Example 3, preparation of 2% Imidacloprid emulsifier.
The 2% imidacloprid emulsifier comprises the following components in percentage by weight:
2% of imidacloprid; 4% of isopropanol; cetostearyl alcohol 5%; 0.1% of tea polyphenol; 1.4 percent of hydroxyethyl acrylate/acryloyl dimethyl sodium taurate copolymer; the balance being dimethylformamide solvent.
The preparation method comprises the following steps:
step SS 1: stirring part of the imidacloprid with a dimethylformamide solvent for 10min to dissolve;
step SS 2: adding isopropanol into the solution prepared in the step SS1, and stirring for 10 min;
step SS 3: adding cetearyl alcohol into the solution prepared in the step SS2, stirring for 10min, then adding hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, and stirring for 10 min;
step SS 4: and (3) dissolving tea polyphenol with the balance of a dimethylformamide solvent, adding the obtained solution into the solution prepared in the step SS3, and stirring for 20min for mixing to obtain the imidacloprid emulsifier.
Example 4, preparation of 3% Imidacloprid emulsifier.
The 3% imidacloprid emulsifier comprises the following components in percentage by weight:
3% of imidacloprid; 4% of isopropanol; cetostearyl alcohol 5%; 0.1% of tea polyphenol; 1.4 percent of hydroxyethyl acrylate/acryloyl dimethyl sodium taurate copolymer; the balance being dimethylformamide solvent.
The preparation method comprises the following steps:
step SS 1: dissolving imidacloprid in part of dimethylformamide solvent by stirring for 20 min;
step SS 2: adding isopropanol into the solution prepared in the step SS1, and stirring for 10 min;
step SS 3: adding cetearyl alcohol into the solution prepared in the step SS2, stirring for 20min, then adding hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, and stirring for 10 min;
step SS 4: and (3) dissolving tea polyphenol with the balance of a dimethylformamide solvent, adding the obtained solution into the solution prepared in the step SS3, and stirring for 20min for mixing to obtain the imidacloprid emulsifier.
Example 5, preparation of 4% Imidacloprid emulsifier.
The 4% imidacloprid emulsifier comprises the following components in percentage by weight:
4% of imidacloprid; 4% of isopropanol; cetostearyl alcohol 5%; 0.1% of tea polyphenol; 1.4 percent of hydroxyethyl acrylate/acryloyl dimethyl sodium taurate copolymer; the balance being dimethylformamide solvent.
The preparation method comprises the following steps:
step SS 1: dissolving imidacloprid in part of dimethylformamide solvent by stirring for 20 min;
step SS 2: adding isopropanol into the solution prepared in the step SS1, and stirring for 20 min;
step SS 3: adding cetearyl alcohol into the solution prepared in the step SS2, stirring for 20min, then adding hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, and stirring for 20 min;
step SS 4: and (3) dissolving tea polyphenol with the balance of a dimethylformamide solvent, adding the obtained solution into the solution prepared in the step SS3, and stirring for 20min for mixing to obtain the imidacloprid emulsifier.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The imidacloprid emulsifier is characterized by comprising the following components in percentage by weight:
0.05 to 4 percent of imidacloprid; 4% -8% of isopropanol; 1% -6% of an emulsifier; 0.1 to 0.5 percent of antioxidant; 1-2% of thickening stabilizer; 70-80% of solvent.
2. The imidacloprid emulsifier according to claim 1, which is characterized by being prepared from the following components in percentage by weight:
0.5-2% of imidacloprid; 4% -6% of isopropanol; 2% -5% of an emulsifier; 0.2 to 0.4 percent of antioxidant; 1-2% of thickening stabilizer; 70-75% of solvent.
3. The imidacloprid emulsifier of claim 1 wherein the thickening stabilizer is hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer.
4. The imidacloprid emulsifier of claim 1 wherein the antioxidant is tea polyphenol.
5. The imidacloprid emulsifier of claim 1 wherein the solvent is dimethylformamide.
6. The imidacloprid emulsifier according to claim 1, characterized in that the emulsifier is cetearyl alcohol.
7. The method for preparing the imidacloprid emulsifier of claim 1, which is characterized by comprising the following steps:
step SS 1: dissolving imidacloprid in partial solvent by stirring for 10 min;
step SS 2: adding isopropanol into the solution prepared in the step SS1, and stirring for 10 min;
step SS 3: adding an emulsifier into the solution prepared in the step SS2, stirring for 10min, then adding a thickening stabilizer, and stirring for 10 min;
step SS 4: and (3) dissolving the antioxidant by using the balance of solvent, adding the obtained solution into the solution prepared in the step SS3, and stirring and mixing for 20min to obtain the imidacloprid emulsifier.
8. The method for preparing an imidacloprid emulsifier according to claim 7, which is characterized by comprising the following steps:
step SS 1: dissolving imidacloprid in partial solvent by stirring for 10 min;
step SS 2: adding isopropanol into the solution prepared in the step SS1, and stirring for 10 min;
step SS 3: adding cetearyl alcohol into the solution prepared in the step SS2, stirring for 10min, then adding hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, and stirring for 10 min;
step SS 4: and (3) dissolving tea polyphenol with the balance of solvent, adding the obtained solution into the solution prepared in the step SS3, and stirring for 20min for mixing to obtain the imidacloprid emulsifier.
9. Use of the imidacloprid emulsifier of claim 1 as a slow release insecticide and to control subterranean pests.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911097933.6A CN110742061A (en) | 2019-11-12 | 2019-11-12 | Imidacloprid emulsifier and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911097933.6A CN110742061A (en) | 2019-11-12 | 2019-11-12 | Imidacloprid emulsifier and preparation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110742061A true CN110742061A (en) | 2020-02-04 |
Family
ID=69282932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911097933.6A Pending CN110742061A (en) | 2019-11-12 | 2019-11-12 | Imidacloprid emulsifier and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110742061A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107372578A (en) * | 2017-07-26 | 2017-11-24 | 南通功成精细化工有限公司 | A kind of hygienic biocide suspension emulsion and preparation method thereof |
| CN107836461A (en) * | 2017-11-24 | 2018-03-27 | 山东农业大学 | Eco-friendly pesticide missible oil |
-
2019
- 2019-11-12 CN CN201911097933.6A patent/CN110742061A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107372578A (en) * | 2017-07-26 | 2017-11-24 | 南通功成精细化工有限公司 | A kind of hygienic biocide suspension emulsion and preparation method thereof |
| CN107836461A (en) * | 2017-11-24 | 2018-03-27 | 山东农业大学 | Eco-friendly pesticide missible oil |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102273484B (en) | Tea-oil tree fruit retention agent and application method thereof | |
| CN103081907B (en) | Capsaicin-containing pesticidal aqueous emulsion and preparation method thereof | |
| CN105052931A (en) | Synergistic water emulsion for weeding | |
| CN102640762A (en) | Hot fogging concentrate containing acetamiprid | |
| CN111296439B (en) | Magnolia officinalis phenol bactericide and preparation method and application thereof | |
| CN105660627A (en) | Microcapsule nematicide | |
| CN105165901A (en) | Compound herbicide containing plant extractives | |
| CN100493353C (en) | Sucrose ester insecticide and method for preparing the same | |
| CN102239890A (en) | Microcapsule suspension used for preventing and controlling spiraling whitefly and preparation method thereof | |
| CN101642110A (en) | Suspending emulsion compounded form oleoresin acid copper and bismerthiazol and application thereof | |
| CN110742061A (en) | Imidacloprid emulsifier and preparation method and application thereof | |
| CN111053085B (en) | Emamectin benzoate B2a and indoxacarb suspoemulsion and preparation method thereof | |
| CN101933509A (en) | Methylamino abamectin benzoate micro-emulsion serving as agricultural insecticide and preparation method | |
| CN111480652A (en) | Fomesafen soluble liquid and preparation method thereof | |
| CN105340915A (en) | Sterilization composition containing benziothiazolinone and Xinjunan acetate | |
| CN101156591A (en) | Mite-killing composition containing fenbutatin | |
| CN113575592A (en) | Suck-back-preventing dry injection for preventing and treating pine wood nematode disease | |
| CN110720453A (en) | Bactericidal emulsifier based on tricyclazole and preparation method and application thereof | |
| CN102524275A (en) | Flubendiamide and abamectin compounded suspending agent and preparation method thereof | |
| CN109287648B (en) | Ligularia virgaurea prevention and removal compound herbicide as well as preparation method and use method thereof | |
| CN101816303A (en) | Spirodiclofen hot aerosol and preparation method thereof | |
| CN105766998A (en) | Preparation method of biodegradable corn field herbicide and prepared biodegradable corn field herbicide | |
| CN102578115A (en) | Spinetoram and emamectin benzoate compound suspension and preparation method thereof | |
| CN104286000A (en) | Insecticidal composition for preventing and treating rapeseed aphids | |
| CN111011387A (en) | Acaricidal composition and application and preparation thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200204 |