CN101861873B - Microemulsion oil-in-water insect aerosol - Google Patents
Microemulsion oil-in-water insect aerosol Download PDFInfo
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Abstract
The invention provides a microemulsion oil-in-water insect aerosol, comprising the following components by weight percent: 0.25-0.55 percent of Es-bioallethrin, 0.2-0.35 percent of permethrin, 0.15-0.3 percent of kerosene, 3.5-5.2 percent of surface active agent, 0.1-0.3 percent of weakly alkaline preservative, 50-56 percent of deionized water and 38-45 percent of dimethyl ether. The microemulsion oil-in-water insect aerosol has the characteristics of high efficiency, low toxicity, safe use, no pungent smell, no environmental pollution, no trace leaving after use, and the like.
Description
Technical field
The present invention relates to a kind of insect aerosol, relate to particularly a kind of microemulsion oil-in-water insect aerosol.
Background technology
The insect aerosol that China produces no matter kind quantitatively, or, on output, all occupy prostatitis, the world, but wherein have the insect aerosol product of quite a few to duplicate, belong to low-level duplicate construction.The good news is, in recent years since, existing Some Enterprises is researched and developed the insect aerosol product of own characteristic, what water-base pesticide aerosols, tasteless type aerosol and antibacterial type insect aerosol etc. had a high-tech content product rapidly occurs it being good evidence.
The development of insect aerosol product is coadapted with social economy level, consumption demand, and its kind also changes in the different phase of social development thereupon.In fact, the output of insect aerosol product, structure, function etc. can side reflect the comprehensive present situation of current social economy, science and technology, culture.Along with economic rapid growth, environmental problem more and more is subject to the common concern of government and street levels, and people are more and more higher with requirement to cry energy-saving and cost-reducing, protection of the environment, because it is directly involved in the principle matters such as human survival and social sustainable development.Therefore, water base this environmentally friendly machine of hygienic biocide aerosol of exploitation low volatile organic compound content (VOC) is increasingly urgent, and water-base pesticide aerosols will become the main flow of insect aerosol development from now on.
Existing commercially available production water-base pesticide aerosols is water-in-oil type, and this series products liquid phase when static can be divided into two-layer, the enriched layer that upper strata is propane, butane and insecticidal active ingredient, and lower floor is water-in-oil emulsion.Therefore, there is following problem in use in this series products:
1) due to the chemical analysis skewness of this series products, before use, it fully must be shaken up;
2) liquid after the part ejection is emulsion, affects the result of use of product;
3) the canned liquid that becomes dense ropy milk shape is after this procedure of punching dress propellant, and the propellant that high-voltage high-speed enters tank produces the secondary agitation of simulation to emulsion, make some product generation breakdown of emulsion, affects the stability of product;
4) the kerosene content in the water-base pesticide aerosols of water-in-oil type is higher, accounts for 10% left and right of gross weight, during use, can produce sharp aroma unavoidably.
Summary of the invention
The object of the present invention is to provide a kind of microemulsion oil-in-water insect aerosol, to solve the above-mentioned problems in the prior art.Environment-friendly type microemulsified homogeneous phase oil-in-water insect aerosol provided by the invention has high-efficiency low-toxicity, uses safely, has no irritating odor, free from environmental pollution, do not leave the characteristics such as vestige after using.
Technical scheme provided by the invention is as follows:
Microemulsion oil-in-water insect aerosol, it is characterized in that: comprise 0.25～0.55 % by weight Es-bioallethrin, 0.2～0.35 % by weight permethrin, 0.15～0.3 % by weight kerosene, 3.5～5.2 % by weight surfactants, 0.1～0.3 % by weight alkalescent preservative, 50～56 % by weight deionized waters and 38～45 % by weight dimethyl ether.
This wherein, Es-bioallethrin and permethrin are as active ingredient, the kerosene of deionized water and minute quantity is as solvent, and dimethyl ether is as propellant, because the dimethyl ether as propellant and water dissolve each other, formed liquid phase is uniform and stable, therefore, before use, needn't rock, use safety, and after ejection, fogdrop diameter is controlled, can not form the emulsion droplet of large particle diameter; In addition, the kerosene amount of using in oil-in-water insect aerosol provided by the present invention significantly reduces, therefore, can reach while using have no irritating odor, free from environmental pollution, do not stay scarred effect after using.
Preferably, can also contain 0.3～0.5 % by weight synergist, described synergist is Butacide (piperonyl butoxide) or oxidation of piperonyl butoxide.
Further preferably, can also contain 0.05～0.15 % by weight essence.
In aforementioned microemulsion oil-in-water insect aerosol, preferably include 0.4 % by weight Es-bioallethrin, 0.28 % by weight permethrin, 0.2 % by weight kerosene, 4.2 the % by weight surfactant, 0.2 % by weight alkalescent preservative, 0.4 % by weight Butacide or oxidation of piperonyl butoxide, 0.1 % by weight essence, 54.22 % by weight deionized waters and 40 % by weight dimethyl ether.
In aforementioned microemulsion oil-in-water insect aerosol, the emulsifier that described surfactant is this microemulsion oil-in-water insect aerosol, contribute to improve the dispersion stabilization of active ingredient, and reach the purpose of the long-time stability of improving product.Described surfactant can be a kind of and combination in anion surfactant, cationic surfactant or non-ionic surface active agent, can be specifically fatty acid sodium salt or the sylvite of dodecylic acid, tetradecanoic acid, hexadecanoic acid, stearic acid, isostearic acid etc.; Or the N-acyl methyl taurine salt such as triethanolamine salt, cocoyl N-methyltaurine sodium, dodecanoyl ylmethyl sodium taurocholate, myristoyl ylmethyl sodium taurocholate, hexadecanoyl ylmethyl sodium taurocholate, stearyl N-methyltaurine sodium; And dodecylphenol polyoxyethylene ether phosphate, cetyl phenol polyethenoxy ether phosphate, oil base phenol polyethenoxy ether phosphate, polyoxyethylene nonylphenol ether phosphate or polyoxyethylene nonylphenol ether (NP-15), unique restriction is that this anion surfactant can be compatible with Es-bioallethrin and permethrin as active ingredient.Preferably use polyoxyethylene nonylphenol ether (NP-15).
In aforementioned microemulsion oil-in-water insect aerosol, described alkalescent preservative is selected from sodium sulphite or Sodium Benzoate.
The preparation method of aforementioned microemulsion oil-in-water insect aerosol comprises the following steps:
A, each component are got the raw materials ready by above-mentioned weight ratio, and Es-bioallethrin, permethrin, kerosene, synergist, surfactant and essence are added in agitator, stir 3～10 minutes;
B, deionized water is under agitation slowly joined in above-mentioned agitator, add rear continuation and stir 3～10 minutes;
C, the alkalescent preservative is under agitation slowly joined in above-mentioned agitator, add rear continuation and stir and within 3～10 minutes, obtain liquid;
D, the liquid prepared in step c is packed in aerosol container, plug subsequently valve, sealing, be filled with dimethyl ether, spray is installed and covers and get final product.
Unless named especially, all technology of using here and the implication of scientific terminology are identical with common the understood implication of the technical field of the invention those skilled in the art.Equally, all publications referred in this, patent application, patent and other references all can be introduced the present invention as a reference.
Environment-friendly type microemulsified homogeneous phase oil-in-water insect aerosol provided by the invention has been captured in the past indeterminable many difficulties of insect aerosol, is current latest model, uses safest high-tech environmental protection insecticide.This oil-in-water insect aerosol replaces most kerosene with low-cost deionized water, make kerosene content lower than 1%, and implement micro-emulsion technology by adding emulsifier, and selection dimethyl ether (DME) is propellant, insecticidal active ingredient is dissolved in the water and forms uniform and stable transparence microemulsion, have good stability, high-efficiency low-toxicity, use safely, have no irritating odor, free from environmental pollution, do not leave the characteristics such as vestige after using.Its exploitation is come out will replace the oil type that the smell is awful, excitant is extremely strong, pure fundamental mode and existing water-in-oil type water-base pesticide aerosols; it is a quantum jump of hygienic biocide aerosol spray technique and technique; thereby promote industrial upgrading and the structural adjustment of China's Aerosol Industry, for dual contribution is made in the protection of mankind's health and environment.
In addition, the raw material of the oil-in-water insect aerosol provided in the present invention are mostly cheap, production technology is simple, and emulsion viscosity and water are worked as, easily canned, output is higher than the water based product of conventional oil water-in type, simultaneously the product liquid phase is uniform and stable, easy to use, with before needn't rock, after ejection, the diameter of droplet is better controlled, and drug effect is higher.
Embodiment
Can further understand the present invention by the embodiment of the present invention given below, but protection scope of the present invention is not limited to this.
Embodiment 1
Take respectively 2.0g Es-bioallethrin (content >=94%), 1.4g permethrin (content >=90%), 1.0g kerosene, the 2.0g Butacide, 21.0g polyoxyethylene nonylphenol ether phosphate and 0.5g essence add in agitator, stir 5 minutes; Then take the 271.1g deionized water, under agitation slowly join in above-mentioned agitator, add rear continuation and stir 5 minutes; Separately take the 1.0g Sodium Benzoate and under agitation slowly join in above-mentioned agitator, add rear continuation and stir 5 minutes acquisition liquids; The above liquid prepared is packed in the 600mL aerosol container, plug subsequently valve, sealing, be filled with dimethyl ether 200g, spray is installed and covers and get final product.
Embodiment 2
Take respectively 1.25g Es-bioallethrin (content >=94%), 1.75g permethrin (content >=90%), 0.75g kerosene, the 2.5g Butacide, 26.0g polyoxyethylene nonylphenol ether phosphate and 0.25g essence add in agitator, stir 5 minutes; Then take the 250.0g deionized water, under agitation slowly join in above-mentioned agitator, add rear continuation and stir 5 minutes; Separately take the 0.5g Sodium Benzoate and under agitation slowly join in above-mentioned agitator, add rear continuation and stir 5 minutes acquisition liquids; The above liquid prepared is packed in the 600mL aerosol container, plug subsequently valve, sealing, be filled with dimethyl ether 217g, spray is installed and covers and get final product.
Embodiment 3
Take respectively 2.75g Es-bioallethrin (content >=94%), 1.0g permethrin (content >=90%), 1.5g kerosene, the 1.5g Butacide, 17.5g polyoxyethylene nonylphenol ether phosphate and 0.75g essence add in agitator, stir 5 minutes; Then take the 280.0g deionized water, under agitation slowly join in above-mentioned agitator, add rear continuation and stir 5 minutes; Separately take the 1.5g Sodium Benzoate and under agitation slowly join in above-mentioned agitator, add rear continuation and stir 5 minutes acquisition liquids; The above liquid prepared is packed in the 600mL aerosol container, plug subsequently valve, sealing, be filled with dimethyl ether 193.5g, spray is installed and covers and get final product.
Embodiment 4
The microemulsion oil-in-water insect aerosol that makes in embodiment 1,2,3 and commercially available water-in-oil type water-base pesticide aerosols (Fujian high-tech daily use chemicals) production are contrasted, and the result obtained is as shown in table 1:
The technical performance index comparative analysis table of table 1 microemulsion oil-in-water insect aerosol
Above-described embodiment is preferably embodiment of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (7)
1. microemulsion oil-in-water insect aerosol, it is characterized in that: comprise 0.25～0.55 % by weight Es-bioallethrin, 0.2～0.35 % by weight permethrin, 0.15～0.3 % by weight kerosene, 3.5～5.2 % by weight surfactants, 0.1～0.3 % by weight alkalescent preservative, 50～56 % by weight deionized waters and 38～45 % by weight dimethyl ether.
2. microemulsion oil-in-water insect aerosol according to claim 1, it is characterized in that: also comprise 0.3～0.5 % by weight synergist, described synergist is Butacide or oxidation of piperonyl butoxide.
3. microemulsion oil-in-water insect aerosol according to claim 2, is characterized in that: also comprise 0.05～0.15 % by weight essence.
4. microemulsion oil-in-water insect aerosol according to claim 3, it is characterized in that: preferably include 0.4 % by weight Es-bioallethrin, 0.28 % by weight permethrin, 0.2 % by weight kerosene, 4.2 the % by weight surfactant, 0.2 % by weight alkalescent preservative, 0.4 % by weight Butacide or oxidation of piperonyl butoxide, 0.1 % by weight essence, 54.22 % by weight deionized waters and 40 % by weight dimethyl ether.
5. according to claim 1, 2, the described microemulsion oil-in-water insect aerosol of 3 or 4 any one claim, it is characterized in that: described surfactant is selected from dodecylic acid, tetradecanoic acid, hexadecanoic acid, stearic acid, the fatty acid sodium salt of isostearic acid or sylvite or triethanolamine salt, cocoyl N-methyltaurine sodium, dodecanoyl ylmethyl sodium taurocholate, myristoyl ylmethyl sodium taurocholate, hexadecanoyl ylmethyl sodium taurocholate, stearyl N-methyltaurine sodium, the dodecylphenol polyoxyethylene ether phosphate, cetyl phenol polyethenoxy ether phosphate, oil base phenol polyethenoxy ether phosphate, polyoxyethylene nonylphenol ether phosphate or polyoxyethylene nonylphenol ether NP-15.
6. microemulsion oil-in-water insect aerosol according to claim 5, it is characterized in that: described surfactant is preferably polyoxyethylene nonylphenol ether NP-15.
7. microemulsion oil-in-water insect aerosol according to claim 5, it is characterized in that: described alkalescent preservative is sodium sulphite or Sodium Benzoate.
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| CN 200910111531 CN101861873B (en) | 2009-04-16 | 2009-04-16 | Microemulsion oil-in-water insect aerosol |
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| CN 200910111531 CN101861873B (en) | 2009-04-16 | 2009-04-16 | Microemulsion oil-in-water insect aerosol |
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| CN101861873B true CN101861873B (en) | 2013-12-25 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107960430A (en) * | 2017-10-23 | 2018-04-27 | 江苏星海生物科技有限公司 | Dichloropropylene biological environmental production insecticide and preparation method thereof |
| CN110150271A (en) * | 2019-04-30 | 2019-08-23 | 南京荣诚化工有限公司 | A kind of aqueous emulsion of combination Permethrin and Es- bioallethrin |
| CN113207876B (en) * | 2021-05-19 | 2023-03-31 | 中山榄菊日化实业有限公司 | Water-based insecticidal aerosol and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1513323A (en) * | 2003-08-08 | 2004-07-21 | 高俊华 | Water-based herbicide atomization agent |
| CN101297642A (en) * | 2008-07-04 | 2008-11-05 | 江苏扬农化工股份有限公司 | Insecticidal aerosol and preparation and use thereof |
| CN101406177A (en) * | 2008-11-24 | 2009-04-15 | 上海龙蟒生物科技有限公司 | Insecticidal composition concentrated solution and method of use thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1513323A (en) * | 2003-08-08 | 2004-07-21 | 高俊华 | Water-based herbicide atomization agent |
| CN101297642A (en) * | 2008-07-04 | 2008-11-05 | 江苏扬农化工股份有限公司 | Insecticidal aerosol and preparation and use thereof |
| CN101406177A (en) * | 2008-11-24 | 2009-04-15 | 上海龙蟒生物科技有限公司 | Insecticidal composition concentrated solution and method of use thereof |
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