CN108353896A - A kind of effective cypermethrin Nylar nanoemulsions and the preparation method and application thereof - Google Patents
A kind of effective cypermethrin Nylar nanoemulsions and the preparation method and application thereof Download PDFInfo
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- CN108353896A CN108353896A CN201810183519.6A CN201810183519A CN108353896A CN 108353896 A CN108353896 A CN 108353896A CN 201810183519 A CN201810183519 A CN 201810183519A CN 108353896 A CN108353896 A CN 108353896A
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- nylar
- effective cypermethrin
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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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
-
- 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
Abstract
The present invention provides a kind of effective cypermethrin Nylar nanoemulsions, including following components：1.0%~10.0wt% of effective cypermethrin, Nylar 1.0wt%~10.0wt%, oil phase solvent 10.0wt%~20.0wt%, cosolvent 5.0wt%~10.0wt%, dispersant 1.0wt%~3.0wt%, emulsifier 10.0wt%~20.0wt%, antifreezing agent 3.0wt%~5.0wt%, antifoaming agent 0.02wt%~0.05wt%, the water of surplus.The present invention also provides the preparation method of effective cypermethrin Nylar nanoemulsions and applications.The operating procedure of the preparation method is simple, low production cost；The ageing stability for the effective cypermethrin Nylar nanoemulsions product prepared is good, wherein, there is the compounding of effective cypermethrin and Nylar worm's ovum all to kill effect, control effect is caused to significantly improve, to reduce Pesticide use total amount, therefore, when the effective cypermethrin Nylar nanoemulsions are applied to pest control, not only excellent insecticidal effect had been shown, but also environmentally friendly, to have broad application prospects.
Description
Technical field
The invention belongs to technical field of insecticide, more particularly to a kind of effective cypermethrin Nylar nanoemulsions, and
It is related to the preparation method of the effective cypermethrin Nylar nanoemulsions, further relates to the effective cypermethrin Nylar nanometer
Application of the lotion in pest control.
Background technology
The appearance and dilution of nanoemulsions are transparent and translucent, belong to water base liquid forms, and oil bead diameter is less than
100nm, general wavelength are less than the 1/4 drop below not refracted light of visible light, and a length of 380~780nm of visible light wave.And
And the dosage form is environmentally friendly, largely reduces and is discharged into organic solvent in air, soil, underground water and river, hence it is evident that alleviates
To the pressure of environment, to safeguarding that Agro-ecology balance is of great significance, be conducive to the sustainable development of agricultural.
Effective cypermethrin (Cyhalothrin) is a kind of pyrethroid insecticides, and bioactivity is higher, is chlorine cyanogen
The efficient isomer of pyrethroids, non-internal-absorting but have is tagged and stomach poison function.Effective cypermethrin by with pest sodium channel phase
Interaction and the function of having destroyed nervous system.Therefore, effective cypermethrin can be used for public health and the Zhiduo County animal husbandry Zhong Fang
Kind pest, such as fly, cockroach, mosquito, flea, lice, bedbug, animal vermin, such as tick, mite etc.；It can be applied to a variety of fruit trees, more
Crops and a variety of forests, the plurality of Chinese such as kind vegetables, grain and cotton oil tea.In particular, effective cypermethrin to oriental tobacco budworm, bollworm,
Diamondback moth, beet armyworm, prodenia litura, tea geometrid, pink bollworm, Phytophthira, liriomyza bryoniae class, beetle, stinkbug class, wood louse class,
The various pests such as thrips class, heart-eating worm class, leaf rollers, caterpillar class, slug moth class and phyllocnistis citrella stainton, ceroplastes rubens all have significantly
Killing effect.
Nylar (Pyriproxyfen) is a kind of insect growth regulator, IGR that can upset insect growth, belongs to guarantor children and swashs
The novel pesticide of plain analog has interior suction transfer activity, and low toxicity (such as to fish low toxicity), the lasting period is long, pacifies to crop
Entirely, the feature small to eco-environmental impact.In addition, Nylar to pear sucker, Bemisia tabaci, scale insect, diamondback moth, beet armyworm,
Prodenia litura, diaphorina citri, thrips etc. have good control effect；This product also has the sanitary insect pests such as fly, mosquito simultaneously
Good control effect, this is because Nylar has the function of that mosquito, fly larvae is inhibited to pupate and sprout wings, mosquito, fly larvae contact
After Nylar, the overwhelming majority in pupa time death, cannot all sprout wings.
Invention content
The present invention is intended to provide the complex preparation of a kind of effective cypermethrin and Nylar so that effective cypermethrin and pyrrole
Propyl ether plays synergistic effect, while being applied on a large scale suitable for field.
Therefore, first aspect present invention provides a kind of effective cypermethrin Nylar nanoemulsions, and it includes following
Component：
1.0%~10.0wt% of effective cypermethrin, Nylar 1.0wt%~10.0wt%, oil phase solvent 10.0wt%
~20.0wt%, cosolvent 5.0wt%~10.0wt%, dispersant 1.0wt%~3.0wt%, emulsifier 10.0wt%~
20.0wt%, antifreezing agent 3.0wt%~5.0wt%, antifoaming agent 0.02wt%~0.05wt%, the water of surplus.
Preferably, in above-mentioned effective cypermethrin Nylar nanoemulsions, the content of the effective cypermethrin is
5.0wt%, and the content of the Nylar is 5.0wt%.
Preferably, in above-mentioned effective cypermethrin Nylar nanoemulsions, the oil phase solvent be polyol ester or
Polyol ethers.
Preferably, in above-mentioned effective cypermethrin Nylar nanoemulsions, the cosolvent is dimethyl sulfoxide (DMSO).
Preferably, in above-mentioned effective cypermethrin Nylar nanoemulsions, the dispersant be phosphoric acid salt the moon from
Sub- dispersant.
Preferably, in above-mentioned effective cypermethrin Nylar nanoemulsions, the emulsifier is selected from following any
Or it is a variety of：Calcium dodecyl benzene sulfonate, succinate anion emulsifier, polyoxyethylene ether nonionic emulsifier, nonionic
Type hydroxyl polyethylene oxide block copolymer.
Preferably, in above-mentioned effective cypermethrin Nylar nanoemulsions, the antifreezing agent is glycerine.
Preferably, in above-mentioned effective cypermethrin Nylar nanoemulsions, the antifoaming agent is dimethicone.
Meanwhile second aspect of the present invention provides the effective cypermethrin Nylar nanoemulsions described in first aspect
Preparation method comprising following steps：
S1：Effective cypermethrin, Nylar, oil phase solvent and cosolvent are weighed, is added in container A together, is mixed
Uniformly；
S2：Emulsifier and antifoaming agent is added into the container A again, stirs evenly, forms oil phase；
S3：Dispersant, antifreezing agent and water are weighed, is added in container B, is mixed evenly together, forms water phase；
S4：The oil phase is added in the water phase, high speed shearing emulsification is carried out, the described efficient of homogeneous phase transparent is made
Cypermethrin Nylar nanoemulsions.
In addition, third aspect present invention additionally provides the effective cypermethrin Nylar nanoemulsions described in first aspect
Application in pest control.
In conclusion technical solution provided by the present invention dexterously prepares efficient chlorine cyanogen chrysanthemum using second emulsifying method
Ester Nylar nanoemulsions impart the preferable preparation stability of effective cypermethrin Nylar nanoemulsions.Together
When, since the dilution oil bead diameter of effective cypermethrin Nylar nanoemulsions of the present invention is nanoscale, effectively
Ingredient dispersion degree is very high, and its minimum grain size, is easy to penetrate into target body, to be conducive to play drug effect and enhancing pair
The infiltration on harmful organisms or plant surface, therefore contact efficacy or further the concealments evil such as prevention Liriomyza can be improved
Worm.In addition, active ingredient effective cypermethrin in nanoemulsions preparation has and tags and stomach poison function, and Nylar have it is strong
Strong ovicidal action；Therefore, by after effective cypermethrin and Nylar binary built, synergistic effect can be played, accomplishes worm's ovum all
It kills, effectively controls insect population.
Therefore, compared to the prior art, technical solution provided by the present invention has the advantages that：The efficient chlorine
The operating procedure of the preparation method of Cyano chrysanthemate Nylar nanoemulsions is simple, and technological process is short, and raw material is easy to get, and production cost is low
It is honest and clean；The ageing stability for the effective cypermethrin Nylar nanoemulsions product prepared is good, can place for a long time without
It is separated；The effective cypermethrin Nylar nanoemulsions product is using water as main dispersing medium, hence it is evident that reduces
Organic solvent uses, so the safety is improved to the producer and user；The compounding of effective cypermethrin and Nylar has
Worm's ovum all kills effect, and control effect is caused to significantly improve, to reduce Pesticide use total amount, therefore, the efficient chlorine cyanogen chrysanthemum
When ester Nylar nanoemulsions are applied to pest control, excellent insecticidal effect was not only shown, but also environmentally friendly, to have
Have broad application prospects.
Specific implementation mode
The present invention is further elaborated With reference to embodiment, but the present invention is not limited to following embodiment party
Formula.
The effective cypermethrin Nylar nanoemulsions of first aspect, including following components：Effective cypermethrin 1.0%
~10.0wt%, Nylar 1.0wt%~10.0wt%, oil phase solvent 10.0wt%~20.0wt%, cosolvent 5.0wt%~
10.0wt%, dispersant 1.0wt%~3.0wt%, emulsifier 10.0wt%~20.0wt%, antifreezing agent 3.0wt%~
5.0wt%, antifoaming agent 0.02wt%~0.05wt%, the water of surplus.
In a preferred embodiment, the content of the effective cypermethrin is 5.0wt%, and the content of the Nylar
For 5.0wt%.
In a preferred embodiment, the oil phase solvent is polyol ester or polyol ethers.
In a preferred embodiment, the cosolvent is dimethyl sulfoxide (DMSO).
In a preferred embodiment, the dispersant is phosphoric acid salt anionic dispersing agents.
In a preferred embodiment, the emulsifier is selected from following any one or more：Calcium dodecyl benzene sulfonate, amber
Amber hydrochlorate anion emulsifier, polyoxyethylene ether nonionic emulsifier, nonionic hydroxyl polyethylene oxide block copolymer.
In a preferred embodiment, the antifreezing agent is glycerine.
In a preferred embodiment, the antifoaming agent is dimethicone.
The preparation method of the effective cypermethrin Nylar nanoemulsions of second aspect, includes the following steps：
S1：Effective cypermethrin, Nylar, oil phase solvent and cosolvent are weighed, is added in container A together, is mixed
Uniformly；
S2：Emulsifier and antifoaming agent is added into the container A again, stirs evenly, forms oil phase；
S3：Dispersant, antifreezing agent and water are weighed, is added in container B, is mixed evenly together, forms water phase；
S4：The oil phase is added in the water phase, high speed shearing emulsification is carried out, the described efficient of homogeneous phase transparent is made
Cypermethrin Nylar nanoemulsions.
Application of the effective cypermethrin Nylar nanoemulsions of the third aspect in pest control.
Embodiment 1
The component for being used to prepare effective cypermethrin Nylar nanoemulsions includes：
Effective cypermethrin 5wt%
Nylar 5wt%
Oil phase solvent 15wt%
Cosolvent 5wt%
Dispersant 2wt%
Emulsifier 18wt%
Antifreezing agent 5wt%
Antifoaming agent 0.03wt%
Water 44.97wt%
Wherein, oil phase solvent is polyol ester, and cosolvent is dimethyl sulfoxide (DMSO), and dispersant is phosphoric acid salt anionic dispersant
Agent, emulsifier are calcium dodecyl benzene sulfonate, and antifreezing agent is glycerine, and antifoaming agent is dimethicone.
Also, effective cypermethrin Nylar nanoemulsions are prepared according to the following steps：
S1：5g effective cypermethrins, 5g Nylars, 15g oil phase solvents and 5g cosolvents are weighed, is added in container A together,
Stir to clarify it is transparent, that is, be uniformly mixed；
S2：18g emulsifiers and 0.03g antifoaming agent is added into the container A again, stirs evenly, forms oil phase；
S3：2g dispersants, 5g antifreezing agents and 44.97g water separately are weighed, is added in container B, is mixed evenly, shape together
At water phase；
S4：The oil phase is added in the water phase, high speed shearing emulsification is carried out in a high-speed shearing emulsion machine,
The effective cypermethrin Nylar nanoemulsions (10%) of homogeneous phase transparent are made.
Embodiment 2
The component for being used to prepare effective cypermethrin Nylar nanoemulsions includes：
Effective cypermethrin 7.5wt%
Nylar 2.5wt%
Oil phase solvent 15wt%
Cosolvent 5wt%
Dispersant 2wt%
Emulsifier 18wt%
Antifreezing agent 5wt%
Antifoaming agent 0.03wt%
Water 44.97wt%
Wherein, oil phase solvent is polyol ethers, and cosolvent is dimethyl sulfoxide (DMSO), and dispersant is phosphoric acid salt anionic dispersant
Agent, emulsifier are succinate anion emulsifier, and antifreezing agent is glycerine, and antifoaming agent is dimethicone.
Also, effective cypermethrin Nylar nanoemulsions are prepared according to the following steps：
S1：7.5g effective cypermethrins, 2.5g Nylars, 15g oil phase solvents and 5g cosolvents are weighed, container is added together
In A, stir to clarify it is transparent, that is, be uniformly mixed；
S2：18g emulsifiers and 0.03g antifoaming agent is added into the container A again, stirs evenly, forms oil phase；
S3：2g dispersants, 5g antifreezing agents and 44.97g water separately are weighed, is added in container B, is mixed evenly, shape together
At water phase；
S4：The oil phase is added in the water phase, high speed shearing emulsification is carried out in a high-speed shearing emulsion machine,
The effective cypermethrin Nylar nanoemulsions (10%) of homogeneous phase transparent are made.
Embodiment 3
The component for being used to prepare effective cypermethrin Nylar nanoemulsions includes：
Effective cypermethrin 2.5wt%
Nylar 7.5wt%
Oil phase solvent 15wt%
Cosolvent 5wt%
Dispersant 2wt%
Emulsifier 18wt%
Antifreezing agent 5wt%
Antifoaming agent 0.03wt%
Water 44.97wt%
Wherein, oil phase solvent is polyol ester, and cosolvent is dimethyl sulfoxide (DMSO), and dispersant is phosphoric acid salt anionic dispersant
Agent, emulsifier are the combination of polyoxyethylene ether nonionic emulsifier and nonionic hydroxyl polyethylene oxide block copolymer
Object, antifreezing agent are glycerine, and antifoaming agent is dimethicone.
Also, effective cypermethrin Nylar nanoemulsions are prepared according to the following steps：
S1：2.5g effective cypermethrins, 7.5g Nylars, 15g oil phase solvents and 5g cosolvents are weighed, container is added together
In A, stir to clarify it is transparent, that is, be uniformly mixed；
S2：18g emulsifiers and 0.03g antifoaming agent is added into the container A again, stirs evenly, forms oil phase；
S3：2g dispersants, 5g antifreezing agents and 44.97g water separately are weighed, is added in container B, is mixed evenly, shape together
At water phase；
S4：The oil phase is added in the water phase, high speed shearing emulsification is carried out in a high-speed shearing emulsion machine,
The effective cypermethrin Nylar nanoemulsions (10%) of homogeneous phase transparent are made.
Embodiment 4
The component for being used to prepare effective cypermethrin Nylar nanoemulsions includes：
Effective cypermethrin 10wt%
Nylar 10wt%
Oil phase solvent 20wt%
Cosolvent 8wt%
Dispersant 3wt%
Emulsifier 20wt%
Antifreezing agent 5wt%
Antifoaming agent 0.05wt%
Water 23.95wt%
Wherein, oil phase solvent is polyol ethers, and cosolvent is dimethyl sulfoxide (DMSO), and dispersant is phosphoric acid salt anionic dispersant
Agent, emulsifier are nonionic hydroxyl polyethylene oxide block copolymer, and antifreezing agent is glycerine, and antifoaming agent is dimethyl-silicon
Oil.
Also, effective cypermethrin Nylar nanoemulsions are prepared according to the following steps：
S1：10g effective cypermethrins, 10g Nylars, 20g oil phase solvents and 8g cosolvents are weighed, container A is added together
In, stir to clarify it is transparent, that is, be uniformly mixed；
S2：20g emulsifiers and 0.05g antifoaming agent is added into the container A again, stirs evenly, forms oil phase；
S3：3g dispersants, 5g antifreezing agents and 23.95g water separately are weighed, is added in container B, is mixed evenly, shape together
At water phase；
S4：The oil phase is added in the water phase, high speed shearing emulsification is carried out in a high-speed shearing emulsion machine,
The effective cypermethrin Nylar nanoemulsions (20%) of homogeneous phase transparent are made.
In addition, inventor has also carried out a series of tests of pesticide effectiveness, now it is illustrated below：
Embodiment 5
The effective cypermethrin Nylar nanoemulsions prepared in above-described embodiment 1~4 are sweet for preventing in field
Blue diamondback moth has carried out a series of tests of pesticide effectiveness, wherein respectively with 100g/L Nylars missible oil and 4.5% effective cypermethrin
Medicament, test result see the table below 1 as a contrast for microemulsion, 5% Nylar microemulsion.
Table 1 prevents the field efficacy comparison of wild cabbage diamondback moth
It is in table 1 the experimental results showed that, effective cypermethrin Nylar nanoemulsions are at 1-3 days to wild cabbage diamondback moth
Control effect is above 95%, is better than comparison medicament；In terms of holding effect sex expression, effective cypermethrin Nylar nanoemulsions
Preventive effect after 28 days can reach 70% or more, and 42 days control effects are also higher than 64%, hence it is evident that be better than comparison medicament.
Embodiment 6
By the effective cypermethrin Nylar nanoemulsions prepared in above-described embodiment 1~4 in field for preventing mandarin orange
Tangerine scale insect has carried out a series of tests of pesticide effectiveness, wherein respectively with 100g/L Nylars missible oil and 4.5% effective cypermethrin
Medicament, test result see the table below 2 as a contrast for microemulsion, 5% Nylar microemulsion.
Table 2 prevents the field efficacy comparison of citrus scale insect
It is in table 2 the experimental results showed that, effective cypermethrin Nylar nanoemulsions are at 1-3 days to citrus scale insect
Control effect is above 90%, is better than comparison medicament；In terms of holding effect sex expression, effective cypermethrin Nylar nanoemulsions
Preventive effect after 28 days is all higher than 70%, and 42 days control effects are also higher than 65%, therefore are substantially better than comparison medicament, simultaneously
Show that the lasting effect of nanoemulsions dosage form is excellent (i.e. sustained release performance is excellent).
Embodiment 7
By the effective cypermethrin Nylar nanoemulsions prepared in above-described embodiment 1~4 in field for preventing mandarin orange
Tangerine leaf miner has carried out a series of tests of pesticide effectiveness, wherein respectively with 100g/L Nylars missible oil and 4.5% effective cypermethrin
Medicament, test result see the table below 3 as a contrast for microemulsion, 5% Nylar microemulsion.
Table 3 prevents the field efficacy comparison of phyllocnistis citrella stainton
It is in table 3 the experimental results showed that, effective cypermethrin Nylar nanoemulsions are at 1-3 days to phyllocnistis citrella stainton
Control effect is above 90%, is better than comparison medicament；In terms of holding effect sex expression, effective cypermethrin Nylar nanoemulsions
Preventive effect after 28 days is all higher than 75%, and 42 days control effects are also higher than 66%, therefore are substantially better than comparison medicament, to
Show that the lasting effect of nanoemulsions dosage form is excellent (i.e. sustained release performance is excellent).
Therefore, effective cypermethrin Nylar nanoemulsions provided by the invention can be produced in enormous quantities and apply, and
And have many advantages, such as that the lasting period is long, drug effect is notable, Environmental Safety.
Specific embodiments of the present invention are described in detail above, but it is intended only as example, the present invention is simultaneously unlimited
It is formed on particular embodiments described above.To those skilled in the art, it is any to the equivalent modifications that carry out of the present invention and
It substitutes also all among scope of the invention.Therefore, without departing from the spirit and scope of the invention made by impartial conversion and
Modification, all should be contained within the scope of the invention.
Claims (10)
1. a kind of effective cypermethrin Nylar nanoemulsions, which is characterized in that include following components：Effective cypermethrin
1.0%~10.0wt%, Nylar 1.0wt%~10.0wt%, oil phase solvent 10.0wt%~20.0wt%, cosolvent
5.0wt%~10.0wt%, dispersant 1.0wt%~3.0wt%, emulsifier 10.0wt%~20.0wt%, antifreezing agent
3.0wt%~5.0wt%, antifoaming agent 0.02wt%~0.05wt%, the water of surplus.
2. effective cypermethrin Nylar nanoemulsions according to claim 1, which is characterized in that the efficient chlorine cyanogen
The content of pyrethroids is 5.0wt%, and the content of the Nylar is 5.0wt%.
3. effective cypermethrin Nylar nanoemulsions according to claim 1, which is characterized in that the oil phase solvent
For polyol ester or polyol ethers.
4. effective cypermethrin Nylar nanoemulsions according to claim 1, which is characterized in that the cosolvent is
Dimethyl sulfoxide (DMSO).
5. effective cypermethrin Nylar nanoemulsions according to claim 1, which is characterized in that the dispersant is
Phosphoric acid salt anionic dispersing agents.
6. effective cypermethrin Nylar nanoemulsions according to claim 1, which is characterized in that the emulsifier choosing
From following any one or more：Calcium dodecyl benzene sulfonate, succinate anion emulsifier, polyoxyethylene ether nonionic breast
Agent, nonionic hydroxyl polyethylene oxide block copolymer.
7. effective cypermethrin Nylar nanoemulsions according to claim 1, which is characterized in that the antifreezing agent is
Glycerine.
8. effective cypermethrin Nylar nanoemulsions according to claim 1, which is characterized in that the antifoaming agent is
Dimethicone.
9. according to the preparation method of effective cypermethrin Nylar nanoemulsions according to any one of claims 1 to 8,
It is characterized in that, includes the following steps：
S1：Effective cypermethrin, Nylar, oil phase solvent and cosolvent are weighed, is added in container A, is mixed evenly together；
S2：Emulsifier and antifoaming agent is added into the container A again, stirs evenly, forms oil phase；
S3：Dispersant, antifreezing agent and water are weighed, is added in container B, is mixed evenly together, forms water phase；
S4：The oil phase is added in the water phase, high speed shearing emulsification is carried out, the efficient chlorine cyanogen of homogeneous phase transparent is made
Pyrethroids Nylar nanoemulsions.
10. according to effective cypermethrin Nylar nanoemulsions according to any one of claims 1 to 8 in pest control
Application.
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| CN110150276A (en) * | 2019-06-20 | 2019-08-23 | 范强 | A kind of emulsifier and its application suitable for tembotrions aqueous emulsion |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110150276A (en) * | 2019-06-20 | 2019-08-23 | 范强 | A kind of emulsifier and its application suitable for tembotrions aqueous emulsion |
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