CN109042635A - Entex aqueous emulsion and the preparation method and application thereof - Google Patents
Entex aqueous emulsion and the preparation method and application thereof Download PDFInfo
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- CN109042635A CN109042635A CN201811075667.2A CN201811075667A CN109042635A CN 109042635 A CN109042635 A CN 109042635A CN 201811075667 A CN201811075667 A CN 201811075667A CN 109042635 A CN109042635 A CN 109042635A
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- entex
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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
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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
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/10—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds
- A01N57/14—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds containing aromatic radicals
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- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
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- Wood Science & Technology (AREA)
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Abstract
The present invention relates to a kind of Entex aqueous emulsions and the preparation method and application thereof.Raw material components are based on 100 parts by weight, comprising: 2~5 parts of Entex, 5~10 parts of organic solvent, 2~5 parts of emulsifier, 3~5 parts of dispersing agent, 2~4 parts of antifreeze, 0.2~0.5 part of defoaming agent and deionized water surplus.Preparation method: Entex and organic solvent are mixed, and emulsifier, dispersing agent, antifreeze and defoaming agent are added after being sufficiently stirred, stirs evenly；Under 3000~5000rpm shear velocity, it is slowly added to half deionized water, shears 20min；Then the other half deionized water is added, shears 30min, obtains Entex aqueous emulsion.Entex aqueous emulsion of the present invention is easy to use, stability is good, environmental-friendly, and organic solvent content is few, can effectively avoid the inflammable and explosive phenomenon in production and transporting procedures, substantially increase production, storing and the safety used.In addition, the dosage form is less irritating to the eyes.
Description
Technical field
The present invention relates to agriculture fields, and in particular to a kind of Entex aqueous emulsion and the preparation method and application thereof.
Background technique
Entex (fenthion) chemical name are as follows: O, O dimethyl-D (3- methyl -4- methyl mercapto phenyl) thiophosphoric acid
Ester, CAS registration number: 55-38-9.Entex is a kind of wide spectrum for having contact and absorbability concurrently, quick-acting, the residual period is long, to people, animal
The organophosphorus insecticide of low toxicity has pest and tags and stomach poison function, has certain permeability to crop, but without Uptake and translocation
Effect, desinsection wide spectrum, effect are rapid；Suitable for preventing and treating rice, cotton, fruit tree, vegetables, the various pests on soybean, to mite class
Also effectively.Experiments have shown that: Entex is the best drug of extinguishing bugs effect in fact.
Entex is soluble in the organic solvents such as spikenard oil, ethyl alcohol, toluene, linalool, acetone, chlorinated hydrocabon, fat oil, indissoluble
In petroleum ether, solubility is only 54~56mgL in water-1, it is far below 1%.Therefore, Entex is used as insecticide at present
Dosage form mainly based on missible oil and pulvis.The content of Entex is generally 1~10% in missible oil, surface-active contents 2
~10%, remaining is organic solvent, and content is up to 80%.Organic solvent not only high volatility, inflammable, and waste of resource, pollutes ring
Border, to human health.Pulvis then easily drifts, and is detrimental to health while reducing drug effect, pollution environment.
It is endangered to reduce traditional pesticidal preparations to environment bring, develops efficient, low toxicity, low-residual, economize on resources, to ring
The novel product that border is friendly, harm to the human body is small becomes inexorable trend.Aqueous emulsion is saved because using a large amount of water as main solvent
Natural resources, is internationally recognized environment-friendly water-based agent type, auxiliary agent is at low cost, and production equipment is simple, is current Agrochemicals
One of main dosage form.However, aqueous emulsion product is poor in the prevalence of stability, low due to technical level and technique
Temperature is easy the disadvantages of freezing.
Summary of the invention
For the defects in the prior art, the present invention is intended to provide a kind of Entex aqueous emulsion and preparation method thereof with answer
With.Entex aqueous emulsion provided by the invention is easy to use, stability is good, environmental-friendly, and organic solvent content is few, Neng Gouyou
Effect avoids the inflammable and explosive phenomenon in production and transporting procedures, substantially increases production, storing and the safety used.In addition,
The dosage form is less irritating to the eyes, and reduces the pollution to environment.
For this purpose, the invention provides the following technical scheme:
In a first aspect, the present invention provides a kind of Entex aqueous emulsion, raw material components are based on 100 parts by weight, comprising: Entex
2~5 parts by weight, 5~10 parts by weight of organic solvent, 2~5 parts by weight of emulsifier, 3~5 parts by weight of dispersing agent, 2~4 weight of antifreeze
Measure part, 0.2~0.5 parts by weight of defoaming agent and deionized water surplus.
Preferably, organic solvent includes linalool and/or spikenard oil, and the mixture of more preferably linalool and spikenard oil.
Preferably, emulsifier includes lauryl amine polyoxyethylene ether, nonyl phenol polyoxyethylene polyoxypropylene ether, polyoxyethylene mistake
One of water Span is a variety of.
Preferably, dispersing agent includes castor oil phosphate ester and/or different tridecyl alcohol phosphate ester, and more preferable castor oil phosphate ester
With the mixture of different tridecyl alcohol phosphate ester.
Preferably, antifreeze includes sodium xylene sulfonate and/or diethylene glycol.
Preferably, defoaming agent selects glycerol polyethenoxy ether.
It should be noted that each raw material component of preparation Entex aqueous emulsion of the present invention is to be used as to match according to parts by weight,
Can increase or reduce according to corresponding ratio in production, as large-scale production can by kilogram or as unit of ton, it is small-scale raw
Production can also in grams, and quality can increase or reduce, but the quality proportioning constant rate between each composition.
Second aspect, the present invention provide a kind of preparation method of Entex aqueous emulsion, comprising the following steps: S1: in proportion
Each raw material component is weighed, later mixes Entex and organic solvent, emulsifier, dispersing agent, antifreeze are added after being sufficiently stirred
And defoaming agent, it stirs evenly；S2: under preset shear velocity, half deionized water being slowly added in the product of S1, shearing
First preset time；Then the other half deionized water is added, shears the second preset time, obtains Entex aqueous emulsion.
Preferably, in S2: shear velocity is 3000~5000rpm, and the first preset time is 20min, the second preset time
For 30min.
The third aspect, application of the Entex aqueous emulsion provided by the invention in extinguishing bugs.
Applicant has found by numerous studies: Entex aqueous emulsion provided by the invention is easy to use, stability is good, environment
Close friend, and organic solvent content is few, can effectively avoid the inflammable and explosive phenomenon in production and transporting procedures, substantially increase life
The safety for producing, storing and transporting and using.In addition, the dosage form is less irritating to the eyes, and reduce the pollution to environment.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Specific embodiment
The embodiment of technical solution of the present invention will be described in detail below.Following embodiment is only used for clearer
Illustrate technical solution of the present invention, therefore be only used as example, and not intended to limit the protection scope of the present invention.
Experimental method in following embodiments is unless otherwise specified conventional method.Examination as used in the following examples
Material is tested, is to be commercially available from conventional reagent shop unless otherwise specified.Quantitative test in following embodiment, is all provided with
Three repeated experiments are set, data are the average value or mean+SD of three repeated experiments.
The present invention provides a kind of Entex aqueous emulsion, based on 100 parts by weight, comprising: 2~5 parts by weight of Entex, You Jirong
5~10 parts by weight of agent, 2~5 parts by weight of emulsifier, 3~5 parts by weight of dispersing agent, 2~4 parts by weight of antifreeze, defoaming agent 0.2~
0.5 parts by weight and deionized water surplus.Wherein, organic solvent includes linalool and/or spikenard oil, and preferably linalool and sweet
The mixture of pine tar；Emulsifier includes lauryl amine polyoxyethylene ether (5), nonyl phenol polyoxyethylene polyoxypropylene ether (7), polyoxy second
One of alkene (20) sorbitan fatty acid ester is a variety of；Preferably, dispersing agent includes castor oil phosphate ester and/or different ten
Triol phosphate, and the mixture of preferably castor oil phosphate ester and different tridecyl alcohol phosphate ester；Antifreeze includes sodium xylene sulfonate
And/or diethylene glycol；Defoaming agent selects glycerol polyethenoxy ether.
In addition, being directed to above-mentioned Entex aqueous emulsion, applicant specially provides preparation method, comprising the following steps:
S1: weighing each raw material component in proportion, later mixes Entex and organic solvent, and emulsification is added after being sufficiently stirred
Agent, dispersing agent, antifreeze and defoaming agent, stir evenly.
S2: under the shear velocity of 3000~5000rpm, half deionized water being slowly added in the product of S1, shearing
20min；Then the other half deionized water is added, shears 30min, obtains Entex aqueous emulsion.
It is illustrated With reference to embodiment:
Embodiment one
The present embodiment provides a kind of preparation methods of Entex aqueous emulsion, comprising the following steps:
S1: Entex crude oil 2%, spikenard oil 1% and linalool 5% are mixed, and lauryl amine polyoxy is added after being sufficiently stirred
Vinethene (5) 2%, castor oil phosphate ester 3%, different tridecyl alcohol phosphate ester 2%, sodium xylene sulfonate 2%, glycerol polyethenoxy ether
0.2%, it stirs evenly.
S2: under 3000~5000rpm shear velocity, half deionized water is slowly added thereto, and shears 20min.Then
The other half deionized water is added, shears 30min, obtains Entex aqueous emulsion.
Embodiment two
The present embodiment provides a kind of preparation methods of Entex aqueous emulsion, comprising the following steps:
S1: Entex crude oil 2%, spikenard oil 1% and linalool 4% are mixed, and lauryl amine polyoxy is added after being sufficiently stirred
It is vinethene (5) 5%, castor oil phosphate ester 2%, different tridecyl alcohol phosphate ester 1%, sodium xylene sulfonate 2%, diethylene glycol 2%, sweet
Oily polyethenoxy ether 0.3%, stirs evenly.
S2: under 3000~5000rpm shear velocity, half deionized water is slowly added thereto, and shears 20min.Then
The other half deionized water is added, shears 30min, obtains Entex aqueous emulsion.
Embodiment three
The present embodiment provides a kind of preparation methods of Entex aqueous emulsion, comprising the following steps:
S1: Entex crude oil 3%, spikenard oil 3% and linalool 3% are mixed, and lauryl amine polyoxy is added after being sufficiently stirred
Vinethene (5) 1%, polyoxyethylene (20) sorbitan fatty acid ester 2%, castor oil phosphate ester 2%, different tridecyl alcohol phosphate ester
3%, sodium xylene sulfonate 3%, glycerol polyethenoxy ether 0.5%, stir evenly.
S2: under 3000~5000rpm shear velocity, half deionized water is slowly added thereto, and shears 20min.Then
The other half deionized water is added, shears 30min, obtains Entex aqueous emulsion.
Example IV
The present embodiment provides a kind of preparation methods of Entex aqueous emulsion, comprising the following steps:
S1: Entex crude oil 5%, spikenard oil 5% and linalool 5% are mixed, and lauryl amine polyoxy is added after being sufficiently stirred
Vinethene (5) 1%, nonyl phenol polyoxyethylene polyoxypropylene ether (7) 2%, castor oil phosphate ester 1%, different tridecyl alcohol phosphate ester
2%, sodium xylene sulfonate 3%, diethylene glycol 1%, glycerol polyethenoxy ether 0.4%, stir evenly.
S2: under 3000~5000rpm shear velocity, half deionized water is slowly added thereto, and shears 20min.Then
The other half deionized water is added, shears 30min, obtains Entex aqueous emulsion.
Embodiment five
The present embodiment provides a kind of preparation methods of Entex aqueous emulsion, comprising the following steps:
S1: Entex crude oil 3%, spikenard oil 4% and linalool 5% mix, and polyoxyethylene nonyl phenyl second is added after being sufficiently stirred
Alkene polyethenoxy ether (7) 3%, castor oil phosphate ester 2%, different tridecyl alcohol phosphate ester 2%, sodium xylene sulfonate 2%, glycerol polyoxy
Propylene ether 0.3%, stirs evenly.
S2: under 3000~5000rpm shear velocity, half deionized water is slowly added thereto, and shears 20min.Then
The other half deionized water is added, shears 30min, obtains Entex aqueous emulsion.
Embodiment six
The present embodiment provides a kind of preparation methods of Entex aqueous emulsion, comprising the following steps:
S1: Entex crude oil 2%, spikenard oil 3% and linalool 5% are mixed, polyoxyethylene is added after being sufficiently stirred
(20) sorbitan fatty acid ester 2%, castor oil phosphate ester 2.5%, different tridecyl alcohol phosphate ester 2.5%, sodium xylene sulfonate
1%, diethylene glycol 3%, glycerol polyethenoxy ether 0.2%, stir evenly.
S2: under 3000~5000rpm shear velocity, half deionized water is slowly added thereto, and shears 20min.Then
The other half deionized water is added, shears 30min, obtains Entex aqueous emulsion.
Embodiment seven
The present embodiment provides a kind of preparation methods of Entex aqueous emulsion, comprising the following steps:
S1: Entex crude oil 3%, spikenard oil 5% and linalool 5% are mixed, polyoxyethylene nonyl phenyl is added after being sufficiently stirred
Ethylene polyethenoxy ether (7) 5%, castor oil phosphate ester 2%, different tridecyl alcohol phosphate ester 2%, diethylene glycol 2%, glycerol polyoxy third
Alkene ether 0.3%, stirs evenly.
S2: under 3000~5000rpm shear velocity, half deionized water is slowly added thereto, and shears 20min.Then
The other half deionized water is added, shears 30min, obtains Entex aqueous emulsion.
Embodiment eight
The present embodiment provides a kind of preparation methods of Entex aqueous emulsion, comprising the following steps:
S1: Entex crude oil 2%, spikenard oil 2% and linalool 7% are mixed, polyoxyethylene is added after being sufficiently stirred
(20) sorbitan fatty acid ester 2%, castor oil phosphate ester 2%, different tridecyl alcohol phosphate ester 1%, sodium xylene sulfonate 1%,
Diethylene glycol 3%, glycerol polyethenoxy ether 0.4%, stir evenly.
S2: under 3000~5000rpm shear velocity, half deionized water is slowly added thereto, and shears 20min.Then
The other half deionized water is added, shears 30min, obtains Entex aqueous emulsion.
Embodiment nine
The present embodiment provides a kind of preparation methods of Entex aqueous emulsion, comprising the following steps:
S1: Entex crude oil 5%, spikenard oil 3% and linalool 7% are mixed, and lauryl amine polyoxy is added after being sufficiently stirred
Vinethene (5) 3%, polyoxyethylene (20) sorbitan fatty acid ester 2%, castor oil phosphate ester 2%, different tridecyl alcohol phosphate ester
3%, diethylene glycol 3%, glycerol polyethenoxy ether 0.5%, stir evenly.
S2: under 3000~5000rpm shear velocity, half deionized water is slowly added thereto, and shears 20min.Then
The other half deionized water is added, shears 30min, obtains Entex aqueous emulsion.
Embodiment ten
The present embodiment provides a kind of preparation methods of Entex aqueous emulsion, comprising the following steps:
S1: Entex crude oil 3%, spikenard oil 2% and linalool 5% are mixed, polyoxyethylene nonyl phenyl is added after being sufficiently stirred
Ethylene polyethenoxy ether (7) 2%, polyoxyethylene (20) sorbitan fatty acid ester 1%, castor oil phosphate ester 2%, different 13
Alcohol phosphate 1%, sodium xylene sulfonate 1%, diethylene glycol 2%, glycerol polyethenoxy ether 0.5%, stir evenly.
S2: under 3000~5000rpm shear velocity, half deionized water is slowly added thereto, and shears 20min.Then
The other half deionized water is added, shears 30min, obtains Entex aqueous emulsion.
In addition, in order to further verify the property of various embodiments of the present invention Entex aqueous emulsion, by times sulphur of each embodiment
Phosphorus aqueous emulsion carries out carrying out low-temperature stability test under the conditions of hot storage, 0 ± 2 DEG C and -15 ± 2 DEG C under the conditions of 54 ± 2 DEG C, as a result
It is shown in Table 1.
Each embodiment Entex aqueous emulsion stability test result of table 1
As can be seen from Table 1: the Entex aqueous emulsion of embodiment one to ten has excellent cold and hot storage stability
Energy.
Certainly, the case where being enumerated in addition to embodiment one to embodiment ten, the weight percent and system of other raw material components
Condition during standby etc. is also possible.
Entex aqueous emulsion provided by the invention is easy to use, stability is good, environmental-friendly, and organic solvent content is few,
The inflammable and explosive phenomenon in production and transporting procedures can be effectively avoided, production, storing and the safety used are substantially increased.
In addition, the dosage form is less irritating to the eyes, and reduce the pollution to environment.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (9)
1. a kind of Entex aqueous emulsion, which is characterized in that raw material components are based on 100 parts by weight, comprising:
2~5 parts by weight of Entex, 2~5 parts by weight of emulsifier, 3~5 parts by weight of dispersing agent, resist 5~10 parts by weight of organic solvent
Freeze 2~4 parts by weight of agent, 0.2~0.5 parts by weight of defoaming agent and deionized water surplus.
2. Entex aqueous emulsion according to claim 1, it is characterised in that:
The organic solvent includes linalool and/or spikenard oil, and the mixture of preferably linalool and spikenard oil.
3. Entex aqueous emulsion according to claim 1, it is characterised in that:
The emulsifier includes lauryl amine polyoxyethylene ether, nonyl phenol polyoxyethylene polyoxypropylene ether, polyoxyethylene sorbitan
One of alcohol fatty acid ester is a variety of.
4. Entex aqueous emulsion according to claim 1, it is characterised in that:
The dispersing agent includes castor oil phosphate ester and/or different tridecyl alcohol phosphate ester, and preferably castor oil phosphate ester and different 13
The mixture of alcohol phosphate.
5. Entex aqueous emulsion according to claim 1, it is characterised in that:
The antifreeze includes sodium xylene sulfonate and/or diethylene glycol.
6. Entex aqueous emulsion according to claim 1, it is characterised in that:
The defoaming agent selects glycerol polyethenoxy ether.
7. the preparation method of any one of the claim 1~6 Entex aqueous emulsion, which comprises the following steps:
S1: weighing each raw material component in proportion, later mixes Entex and organic solvent, be added after being sufficiently stirred emulsifier,
Dispersing agent, antifreeze and defoaming agent, stir evenly；
S2: under preset shear velocity, half deionized water being slowly added in the product of the S1, when shearing first is default
Between；Then the other half deionized water is added, shears the second preset time, obtains the Entex aqueous emulsion.
8. the preparation method of Entex aqueous emulsion according to claim 7, it is characterised in that:
In the S2:
The shear velocity is 3000~5000rpm, and first preset time is 20min, and second preset time is
30min。
9. application of described in any item Entex aqueous emulsions in extinguishing bugs according to claim 1~6.
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| CN201811075667.2A CN109042635B (en) | 2018-09-14 | 2018-09-14 | Fenthion aqueous emulsion and preparation method and application thereof |
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| CN201811075667.2A CN109042635B (en) | 2018-09-14 | 2018-09-14 | Fenthion aqueous emulsion and preparation method and application thereof |
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Cited By (1)
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| CN115735939A (en) * | 2022-11-22 | 2023-03-07 | 新沂市泰松化工有限公司 | Fenthion emulsion in water and preparation method thereof |
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| CN115735939A (en) * | 2022-11-22 | 2023-03-07 | 新沂市泰松化工有限公司 | Fenthion emulsion in water and preparation method thereof |
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