CN106332876A - Pyrethroid-pesticide-containing emulsion in water and preparation method thereof - Google Patents
Pyrethroid-pesticide-containing emulsion in water and preparation method thereof Download PDFInfo
- Publication number
- CN106332876A CN106332876A CN201610697689.7A CN201610697689A CN106332876A CN 106332876 A CN106332876 A CN 106332876A CN 201610697689 A CN201610697689 A CN 201610697689A CN 106332876 A CN106332876 A CN 106332876A
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- Prior art keywords
- water
- aqueous emulsion
- pyrethrin pesticide
- pesticide
- emulsion containing
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Classifications
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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
- A01N53/00—Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses pyrethroid-pesticide-containing emulsion in water, the pyrethroid-pesticide-containing emulsion in water comprises the following components by weight: 1%-20% of a pyrethroid pesticide active ingredient, 1%-20% of a solvent, 1%-10% of a surfactant, 1%-5% of an antifreeze and balance of water; and preparation steps of the pyrethroid-pesticide-containing emulsion in water are as follows: (1) preparing an oil phase and preparing a water phase; and (2) adding of the water phase into the oil phase, mixing for emulsifying for 5 minutes at the stirring speed of 2000 r/min to obtain the pyrethroid-pesticide-containing emulsion in water. The pyrethroid-pesticide-containing emulsion in water is prepared by selection of a suitable auxiliary agent by even stirring and mixing, the pyrethroid-pesticide-containing emulsion in water is stable in quality and has storage stability, the production process is simple, and investment and equipment cost are low.
Description
Technical field
The present invention relates to a kind of pesticide emulsion in water and preparation method, belong to agrochemical field.Specifically one kind contains
There is aqueous emulsion of pyrethrin pesticide and preparation method thereof.
Background technology
In the various formulations of current chemical pesticide, aqueous emulsion is most one of formulation of " green " characteristic, and aqueous emulsion is again
Claim agriculture breast liquid or thick emulsion, be a kind of oil-in-water (o/w) mixed system with water as continuous phase, by add suitable auxiliary agent and
Special processing technology, makes oil phase be evenly distributed in aqueous phase with fine particles.Particle diameter typically between 0.1-1 micron, outward
See and be usually milky white liquid, put into and in water, have preferable emulsifying dispersivity.Because aqueous emulsion is heterogeneous liquid, this just determines
In development process, solve the problems, such as that stability is to first have to consider.One excellent formula needs various auxiliary agents to be joined
5, and to have good concertedness,.But want to develop applicable aqueous emulsion product, in the urgent need to materialogy, biology,
The multi-disciplinary close fit such as botany, prevention and control of plant diseases, pest control,
It is not right that water and milk agent aid selects, and controlling of production process is bad, and the product preparing is in long storage process
In wild effect easily occurs, such as: bleed, condensate oil, separate out precipitation and breakdown of emulsion, have a strong impact on the value of product, cause simultaneously
The waste of agricultural chemicals and the pollution of environment；Most water and milk agent producing process is required for adding high energy when preparation at this stage
Amount, such as high speed shear, ultrasonic emulsification etc., this will also result in investment and cost of equipment is high.The present invention prepares pesticide emulsion in water, selects
Suitable auxiliary agent, is uniformly mixed the aqueous emulsion product that just can obtain steady quality, shelf-stable, and technological process of production letter
Single, investment is low with cost of equipment.
Content of the invention
It is an object of the invention to provide a kind of aqueous emulsion containing pyrethrin pesticide and preparation method thereof, its content of the invention is such as
Under: a kind of aqueous emulsion containing pyrethrin pesticide, it is grouped into by the group of following weight ratio: pyrethrin pesticide active ingredient 1%-
20%, solvent 1%-20%, surfactant 1%-10%, antifreezing agent 1%-5%, water supplies 100%.
Described pyrethrin pesticide active ingredient is gamma cyhalothrin, betacyfluthrin, Biphenthrin, cyfluthrin
The combination of one or more of chrysanthemum ester, effective cypermethrin, cypermethrin.
Described solvent is cyclohexanone, sec-butyl acetate, dimethylbenzene, s-150# solvent naphtha, in s-200# solvent naphtha one
Plant or several combinations.
Described surfactant is OPEO, alkaryl phenol polyethenoxy ether phosphate, castor oil gather
Oxygen vinethene, alkylphenol-polyethenoxy phosphate, polyoxyethylene sorbitan fatty acid ester, sorbitan fatty acid ester,
The group of one or more of AEO, disecoctylmaleate sodium sulfonate, calcium dodecyl benzene sulfonate
Close.
Described antifreezing agent is the combination of one or more of urea, propane diols, glycerine, ethylene glycol.
Described water is deionized water.
A kind of preparation method of described aqueous emulsion containing pyrethrin pesticide, comprises the following steps: (1) will be former for chrysanthemum esters
Medicine, solvent and surfactant mixed dissolution uniformly, form oil phase；Antifreezing agent and water are mixed, forms aqueous phase；(2) will
Aqueous phase and oil phase mixing, uniformly, mixing speed, at 2000 revs/min, stirs 5 minutes stirring and emulsifying, you can obtain described water
Emulsion.
The present invention prepares pesticide emulsion in water, selects suitable auxiliary agent, is uniformly mixed and just can obtain steady quality, resistance to
The aqueous emulsion product of storage, and the technological process of production is simple, investment and cost of equipment are low.
Specific embodiment
The technology contents of the present invention, in order to be better understood from the essence of the present invention, are described with example below, but the present invention
Content be not limited thereto.
Embodiment one: 2.5% Biphenthrin emulsion in water
Weigh 26.3kg Biphenthrin, 50kg s-200# solvent naphtha, 10kg calcium dodecyl benzene sulfonate and 20kg fatty alcohol
APEO dissolving mixes and obtains oil phase；30kg ethylene glycol and 863.7kg water is claimed to mix and obtain aqueous phase；In speed
For, under 2000 revs/min of rotating speeds, aqueous phase is added in oil phase, stirring and emulsifying 5 minutes, that is, obtain 2.5% Biphenthrin water and milk
Agent.
The present embodiment 2.5% Biphenthrin emulsion in water carries out heat storage test, 0 ± 2 DEG C and -15 ± 2 DEG C in 54 ± 2 DEG C of conditions
Carry out low-temperature stability test, experimental result is as follows: as can be seen from the table: the present embodiment 2.5% Biphenthrin emulsion in water
There is excellent cold heat storage stability, storage at normal temperature can stablize more than 3 years.
Table 1, the present invention 2.5% Biphenthrin emulsion in water stability test result
Embodiment two: 2.5% gamma cyhalothrin aqueous emulsion
Weigh 26.3kg gamma cyhalothrin, 30kg s-200# solvent naphtha, 10kg calcium dodecyl benzene sulfonate and 20kg
AEO dissolving mixes and obtains oil phase；30kg ethylene glycol and 883.7kg water is claimed to mix and obtain aqueous phase；
Speed be 2000 revs/min rotating speed under, aqueous phase is added in oil phase, stirring and emulsifying 5 minutes, that is, obtain 2.5% efficient chlorine
Flucythrinate aqueous emulsion.
The present embodiment 2.5% gamma cyhalothrin aqueous emulsion 54 ± 2 DEG C of conditions carry out heat storage test, 0 ± 2 DEG C and-
15 ± 2 DEG C carry out low-temperature stability test, and experimental result is as follows: as can be seen from the table: the efficient chlorine fluorine of the present embodiment 2.5%
Cyano chrysanthemate aqueous emulsion has excellent cold heat storage stability, and storage at normal temperature can stablize more than 3 years.
Table 2, the present invention 2.5% gamma cyhalothrin aqueous emulsion stability test result
Embodiment three: 3% high performance aqueous emulsion of cypermethrin
Weigh 31.6kg effective cypermethrin, 100kg s-200# solvent naphtha, 10kg calcium dodecyl benzene sulfonate and 20kg
AEO dissolving mixes and obtains oil phase；30kg ethylene glycol and 808.4kg water is claimed to mix and obtain aqueous phase；
Speed be 2000 revs/min rotating speed under, aqueous phase is added in oil phase, stirring and emulsifying 5 minutes, that is, obtain 3% efficient chlorine cyanogen
Chrysanthemum ester aqueous emulsion.
The present embodiment 3% high performance aqueous emulsion of cypermethrin 54 ± 2 DEG C of conditions carry out heat storage test, 0 ± 2 DEG C and -15 ± 2
DEG C carry out low-temperature stability test, experimental result is as follows: as can be seen from the table: the present embodiment 3% effective cypermethrin breast
Oil has excellent cold heat storage stability, and storage at normal temperature can stablize more than 3 years.
Table 3, the present invention 3% high performance aqueous emulsion of cypermethrin stability test result
Claims (7)
1. a kind of aqueous emulsion containing pyrethrin pesticide is it is characterised in that be grouped into by the group of following weight ratio: pyrethrin pesticide
Active ingredient 1%-20%, solvent 1%-20%, surfactant 1%-10%, antifreezing agent 1%-5%, water supplies 100%.
2. a kind of aqueous emulsion containing pyrethrin pesticide according to claim 1 is it is characterised in that described pyrethrin pesticide
Active ingredient is gamma cyhalothrin, betacyfluthrin, Biphenthrin, cyfloxylate, effective cypermethrin, chlorine cyanogen
The combination of one or more of chrysanthemum ester.
3. a kind of aqueous emulsion containing pyrethrin pesticide according to claim 1 is it is characterised in that described solvent is ring
The combination of one or more of hexanone, sec-butyl acetate, dimethylbenzene, s-150# solvent naphtha, s-200# solvent naphtha.
4. a kind of aqueous emulsion containing pyrethrin pesticide according to claim 1 is it is characterised in that described surface-active
Agent is OPEO, alkaryl phenol polyethenoxy ether phosphate, castor oil polyoxyethylene ether, alkylphenol-polyethenoxy
Phosphate, polyoxyethylene sorbitan fatty acid ester, sorbitan fatty acid ester, AEO, maleic
The combination of one or more of diacid di-sec-octyl sodium sulfonate, calcium dodecyl benzene sulfonate.
5. a kind of aqueous emulsion containing pyrethrin pesticide according to claim 1 is it is characterised in that described antifreezing agent is
The combination of one or more of urea, propane diols, glycerine, ethylene glycol.
6. a kind of aqueous emulsion containing pyrethrin pesticide according to claim 1 it is characterised in that described water be from
Sub- water.
7. a kind of preparation method of the aqueous emulsion containing pyrethrin pesticide described in claim 1 is it is characterised in that include following
Step: (1) by chrysanthemum esters active compound, solvent and surfactant mixed dissolution uniformly, forms oil phase；Antifreezing agent and water are mixed all
Even, form aqueous phase；(2) aqueous phase and oil phase are mixed, uniformly, mixing speed, at 2000 revs/min, stirs 5 minutes stirring and emulsifying,
Can get described aqueous emulsion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610697689.7A CN106332876A (en) | 2016-08-20 | 2016-08-20 | Pyrethroid-pesticide-containing emulsion in water and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610697689.7A CN106332876A (en) | 2016-08-20 | 2016-08-20 | Pyrethroid-pesticide-containing emulsion in water and preparation method thereof |
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| CN201610697689.7A Pending CN106332876A (en) | 2016-08-20 | 2016-08-20 | Pyrethroid-pesticide-containing emulsion in water and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107006509A (en) * | 2017-05-25 | 2017-08-04 | 青岛东生药业有限公司 | Cyfluthrin water emulsion and preparation method thereof |
| CN108935449A (en) * | 2018-07-09 | 2018-12-07 | 中国热带农业科学院环境与植物保护研究所 | Nanometer Biphenthrin emulsion in water and preparation method thereof, field fly the purposes of anti-application |
| CN112219857A (en) * | 2020-10-28 | 2021-01-15 | 泰兴市新宏阳化工有限公司 | Cyhalothrin aqueous emulsion and low-energy emulsification preparation method thereof |
| CN112385650A (en) * | 2019-08-16 | 2021-02-23 | 南京科翼新材料有限公司 | Emulsifier suitable for multiple pesticide emulsion in water and application method thereof |
| CN113875750A (en) * | 2021-10-21 | 2022-01-04 | 宁德师范学院 | Pesticide emulsion in water and preparation method thereof |
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| CN1871913A (en) * | 2005-06-03 | 2006-12-06 | 南京第一农药有限公司 | Aqueous emulsion of bifenthrin, and preparation method |
| CN1871915A (en) * | 2005-06-03 | 2006-12-06 | 南京第一农药有限公司 | Aqueous emulsion of syn type cypermethrin, and preparation method |
| CN1871914A (en) * | 2005-06-03 | 2006-12-06 | 南京第一农药有限公司 | Aqueous emulsion of anti type cypermethrin, and preparation method |
| CN101233857A (en) * | 2008-01-09 | 2008-08-06 | 武汉大学 | Cyhalothrin aqueous emulsion and low energy emulsification preparation thereof |
| CN102293219A (en) * | 2011-09-14 | 2011-12-28 | 温州大学 | Method for preparing cypermethrin emulsion in water |
| CN104920443A (en) * | 2015-06-12 | 2015-09-23 | 中国日用化学工业研究院 | Environment-friendly beta-cypermethrin emulsion in water and preparing method thereof |
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| CN1871913A (en) * | 2005-06-03 | 2006-12-06 | 南京第一农药有限公司 | Aqueous emulsion of bifenthrin, and preparation method |
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| CN102293219A (en) * | 2011-09-14 | 2011-12-28 | 温州大学 | Method for preparing cypermethrin emulsion in water |
| CN104920443A (en) * | 2015-06-12 | 2015-09-23 | 中国日用化学工业研究院 | Environment-friendly beta-cypermethrin emulsion in water and preparing method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107006509A (en) * | 2017-05-25 | 2017-08-04 | 青岛东生药业有限公司 | Cyfluthrin water emulsion and preparation method thereof |
| CN108935449A (en) * | 2018-07-09 | 2018-12-07 | 中国热带农业科学院环境与植物保护研究所 | Nanometer Biphenthrin emulsion in water and preparation method thereof, field fly the purposes of anti-application |
| CN112385650A (en) * | 2019-08-16 | 2021-02-23 | 南京科翼新材料有限公司 | Emulsifier suitable for multiple pesticide emulsion in water and application method thereof |
| CN112219857A (en) * | 2020-10-28 | 2021-01-15 | 泰兴市新宏阳化工有限公司 | Cyhalothrin aqueous emulsion and low-energy emulsification preparation method thereof |
| CN113875750A (en) * | 2021-10-21 | 2022-01-04 | 宁德师范学院 | Pesticide emulsion in water and preparation method thereof |
| CN113875750B (en) * | 2021-10-21 | 2022-12-13 | 宁德师范学院 | Pesticide emulsion in water and preparation method thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170118 |
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| RJ01 | Rejection of invention patent application after publication |