CN1792153A - Mineral oil micro-emulsion insecticide - Google Patents
Mineral oil micro-emulsion insecticide Download PDFInfo
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- CN1792153A CN1792153A CN 200510135865 CN200510135865A CN1792153A CN 1792153 A CN1792153 A CN 1792153A CN 200510135865 CN200510135865 CN 200510135865 CN 200510135865 A CN200510135865 A CN 200510135865A CN 1792153 A CN1792153 A CN 1792153A
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Abstract
A mineral oil micro-emulsion as agricultural chemical for preventing and eliminating diseases and pests is proportionally prepared from mineral oil, insecticide, solvent, emulsifier, and the aqueous solution of co-emulsifier. Its advantages are broad spectrum, and high effect and safety.
Description
The present invention relates to a kind of technical field of mineral oil micro-emulsion insecticide.
Mineral oil is as agricultural fungicides, in the long history in existing more than 1500 year of China.Listed in the pollution-free food production of AA level in " green food standard " of state's green foods development center promulgation allows one of pesticide species that uses to the mineral sources agricultural chemicals now, and is regarded as the new direction of 21 century agricultural chemicals development by brainstrust.But weak point is: the mineral oil content height of mineral sources agricultural chemicals, as 95% homemade machine oil emulsion, the 99.1% green grain husk (Korea S's product) and the dead worm of 99% enemy (Australia produces) that advance product all need a large amount of mineral oil, under the situation of mineral oil resource scarcity, be difficult to satisfy the needs of cultural control damage by disease and insect, this is one; It two is, above-mentioned Blandlube product, the use multiple of prevention and elimination of disease and pests is low, pace up and down mostly 100-300 doubly between, so low use multiple has been wasted mineral oil resource in short supply; It three is, the missible oil product of these high concentrations, and the use of high power amount as improper use, very easily produces poisoning to crops.These all are problem and defective that present mineral oil agricultural chemicals exists.
As the agricultural chemicals of selling in the market, not the W/O water-in-oil type, be exactly the O/W oil-in-water type, all be the preparation of " single parent's type ".According to the inside and outside epidermal structure of insect as can be known, exocuticle is fat-soluble hydrophobic wax coat, and endepidermis then is hydrophilic.The product of W/O formulation can dissolve exocuticle, the wax coat of insect, but can't enter endepidermis and enter polypide; Though the product of O/W formulation can enter endepidermis, can not dissolve fat-soluble wax coat, also can't enter the polypide of insect.The product of above-mentioned for this reason two kinds of formulations all exists defective.
In order to solve existing problem of above-mentioned agricultural chemicals and defective, the applicant is through years of researches and explore ， And and be developed into the novel formulation of a kind of " parental type ", i.e. mineral oil micro-emulsion insecticide finally through a large amount of experiments repeatedly.
Succeeding in developing of mineral oil micro-emulsion insecticide of the present invention not only made contributions for saving the mineral oil resource, and it is low thoroughly to have solved Blandlube use multiple, crop easily produced two difficult problems that always do not solved for a long time at agricultural chemicals circle greatly of poisoning.
Technical scheme of the present invention is design like this:
1. the present invention selects the main component of mineral oil as insecticide for use, but mineral oil is not only insecticide, but also is the synergist of agricultural chemicals.
2. the present invention has also selected the auxiliary insecticide of the broad spectrum insecticide agricultural chemicals of some super-high-efficient, low toxicity, low-residual as mineral oil for use.The one, for using multiple, the desinsection that improves mineral oil increases insecticidal effect; The 2nd, for delaying the pesticide resistance of insecticide itself to insect; The 3rd, be the service life of pesticide that prolongation adds.
3. the present invention has selected the solvent of the organic nitrogen solvent of low toxicity, low-residual as insecticide for use, substitutes benzene and dimethylbenzene contour poison, high residue solvent.
4. the present invention has selected the strong surfactant of non-toxic type lipophilicity for use, as the emulsifier of mineral oil; Select the strong surfactant of hydrophily for use, as the assistant for emulsifying agent of micro-emulsion pesticide.
Described mineral oil can be the pure white oil of N5～N46 (respectively can arbitrarily choose when time pure white oil between N5～N46).
The insecticide of described super-high-efficient, low toxicity, low-residual, can be emamection benaoate (first dimension salt), Avermectin, Acetamiprid, Imidacloprid, Buprofezin, chlopyrifos, beta-cypermethrin, decis, kill bell urea, rotenone, matrine etc. one or more (can choose voluntarily) according to applicable crops and controlling object.
Described solvent is: dimethyl formamide (DMF).
Described lipophilic surfactant's emulsifier is: fatty alcohol (AE).
Described hydrophilic surfactant active's assistant for emulsifying agent is: ether alcohol sulfate (AES), and lauric alcohol acid amides (6501), alkyl phenol (APE) (be AES 20wt%, 6501 4wt%, APE 1wt%, water 75% is formed the assistant for emulsifying agent aqueous solution of 100wt%).
Formulation Example:
According to technical scheme of the present invention, can make the mineral oil micro-emulsion insecticide of multiple heterogeneity and content.For this reason, formulation Example of the present invention can not be stated one by one, now provides following formulation Example (no specified otherwise is mass percent) for reference.
Formulation Example 1. mineral oil 50～60wt%, emulsifier 15～20wt%, the assistant for emulsifying agent aqueous solution is mended to 100wt%.
Formulation Example 2. mineral oil 30.0～40.0wt%, first dimension salt 02～0.5wt%, solvent 4.5～10.0wt%, emulsifier 20.0～25.0wt%, the assistant for emulsifying agent aqueous solution is mended to 100.0wt%.
Formulation Example 3. mineral oil 25.0～30.0wt%, beta-cypermethrin 1.0～2.0wt%, Avermectin 0.2～0.5wt%, solvent 12.0～15.0wt%, emulsifier 20.0～25.0wt%, the assistant for emulsifying agent aqueous solution is mended to 100.0wt%.
Formulation Example 4. mineral oil 10.0～20.0wt%, Avermectin 0.2～0.5wt%, Acetamiprid 2.0～4.5wt%, chlopyrifos 10.0～20.0wt%, solvent 20.0～30.0wt%, emulsifier 20.0～25.0wt%, the assistant for emulsifying agent aqueous solution adds to 100.0wt%.
The preparation method:
Formulation Example 1. at first will filling a prescription required mineral oil join according to quantity in the reaction pot, under agitation add emulsifier, become mineral oil emulsion, be transparency liquid.And then slowly add the assistant for emulsifying agent aqueous solution, and in adition process, become the opaque body of micellelike gradually by transparency liquid, become transparency liquid at last again, promptly become mineral oil micro-emulsion.Measure: getting 1～2ml stoste, add in the 500ml graduated cylinder, stir evenly the color that emulsion is observed in the back, is the sky blue transparency liquid as emulsion, illustrates that this mineral oil micro-emulsion is qualified products.
2. the preparation method of formulation Example 2.3.4 is all identical, divides three steps to make:
The first step: mineral oil required at first will filling a prescription adds in the reaction pot, under agitation adds required emulsifier.
Second step: required solvent adds in the reaction pot in will filling a prescription, and under agitation adds the required former medicine of solid insecticidal of prescription, makes its all dissolving (becoming the liquid true solution).
The 3rd step: the second raw insecticide drug solns that make of step is joined in the mineral oil emulsion that the first step makes, under agitation slowly add the required assistant for emulsifying agent aqueous solution of prescription, increase along with addition, product in the reaction pot is become the opaque thickness body of micellelike by original transparency liquid, slowly can become transparency liquid again, this transparency liquid is mineral oil micro-emulsion insecticide.Desirable a small amount of soup adds the color that stirs evenly observation emulsion in back in the entry during check, and its color is blue look transparency liquid, is qualified products.
The action effect of mineral oil micro-emulsion insecticide of the present invention and characteristics:
The product that formulation Example 1 is made, the preparation that---emulsifier (lipophilic surfactant)---assistant for emulsifying agent (hydrophilic surfactant active's aqueous solution) is mixed and makes by mineral oil, do not add the insecticide of any composition in the product, be suitable for exporting the control of insect of AA level pollution-free foods such as tealeaves, vegetables, effective to insects such as aphid, aleyrodid, mite class, coccids, use extension rate doubly as 100-300.The penetration of this product, exhibition are puted forth effort, specific surface area etc. all is better than all commercially available mineral oil emulsions.
The product that formulation Example 2.3.4 makes,---emulsifier (lipophilicity)---helps the new formulation that emulsion (hydrophilic water solution) is mixed and makes by mineral oil (pesticidal solutions mixture).Owing to added one or more pesticides in the product, the desinsection Bei that has for this reason improved Blandlube is Shuoed And and has been reduced the toxicity and the pungent odour of conventional pesticide.The use extension rate of this product is generally more than 1000～2000 times.Be applicable to the extermination of disease and insect pest of pollution-free green food.Above-mentioned preparation is effective to control lepidoptera pest, sucking pest, mite class, coccid and aleyrodid class pest.
The said goods is transparency liquid, its aqueous solution is the pale blue transparency liquid, character according to emulsion: emulsion is transparency liquid, liquid pearl＜0.05um (less than 50 nanometers), emulsion is that milky is opaque, liquid pearl＞1um (promptly greater than 1000 nanometers), most of emulsifiable concentrate pesticides of Chu Shouing and mineral oil emulsion agricultural chemicals in the market, its emulsion all is the milky opaque body, its liquid pearl all＞1um, because the emulsion of mineral oil micro-emulsion of the present invention is transparent liquid, liquid pearl＜0.05um, compare liquid pearl (particle diameter) with above-mentioned commercially available agricultural chemicals and reduce more than 20 times, specific surface area also should increase more than 20 times for this reason, the corresponding raising that also is bound to of its insecticidal effect.Add that the agricultural chemicals of selling on the market mostly is W/O greatly and the O/W type all belongs to " single parent's type " preparation, and micro-emulsion insecticide of the present invention is " parental type " preparation, can enter the insect polypide unblockedly, helps killing off the insect pests.
Mineral oil micro-emulsion insecticide of the present invention, from formulation Example as can be known the content of mineral oil be 10-60%, compare with commercially available mineral oil emulsion 95%～99%, the content of mineral oil has reduced by 40～90%, this has not only saved the mineral oil resource, and has improved the availability of mineral oil.Owing to contain water in the product, crop is had safety, storing is not burnt, and does not explode, and pungent odour alleviates, and is also little to the requirement restriction of packing material.In use can reduce the fruit tree fallen flowers, increase output.Because its liquid bead footpath＜0.05um is the nanoscale product, is that thermodynamics has stable prod for this reason.
Claims (5)
1. mineral oil micro-emulsion insecticide of the present invention is by the mineral oil of 10.0～60.0wt%, 0.2 the insecticide of～25.0wt%, 4.5 the solvent of～30.0wt%, the emulsifier of 15.0～25.0wt% and cosurfactant emulsifier aqueous solution add to 100.0wt% and form.
2. as the described mineral oil micro-emulsion insecticide of claim 1., it is characterized in that described mineral oil is the pure white oil of N5-N46 refining.
3. as the described mineral oil micro-emulsion insecticide of claim 1., it is characterized in that described insecticide, can be emamection benaoate (first dimension salt), Avermectin, Acetamiprid, Imidacloprid, Buprofezin, chlopyrifos, beta-cypermethrin, decis, kill one or more of bell urea, rotenone, matrine etc.
4. as the described mineral oil micro-emulsion insecticide of claim 1., it is characterized in that described solvent, be dimethyl formamide (DMF).
5. as the described mineral oil micro-emulsion insecticide of claim 1., it is characterized in that described surfactant, be lipophilic emulsifier fatty alcohol (AE); The hydrophily assistant for emulsifying agent is ether alcohol sulfate (AES), lauric alcohol acid amides (6501), the aqueous solution that alkyl phenol (APE) is formed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510135865 CN1792153A (en) | 2005-12-21 | 2005-12-21 | Mineral oil micro-emulsion insecticide |
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| CN 200510135865 CN1792153A (en) | 2005-12-21 | 2005-12-21 | Mineral oil micro-emulsion insecticide |
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| CN1792153A true CN1792153A (en) | 2006-06-28 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103238592A (en) * | 2013-05-22 | 2013-08-14 | 广西田园生化股份有限公司 | Solvent composition for pyrazol and pyrrole pesticide microemulsion |
| CN104026145A (en) * | 2014-06-30 | 2014-09-10 | 济南东泽生物科技有限公司 | Compound insecticide |
| CN105028482A (en) * | 2015-08-04 | 2015-11-11 | 鲍克胜 | Composite pesticide |
| CN107821464A (en) * | 2017-10-27 | 2018-03-23 | 邱金余 | Environmental type agricultural chemicals is used in a kind of sweet potato plantation |
| CN108835126A (en) * | 2018-06-27 | 2018-11-20 | 四川福思达生物技术开发有限责任公司 | A kind of agricultural insecticidal composite and its application containing nicotine compound and mineral oil |
| CN112042638A (en) * | 2020-09-16 | 2020-12-08 | 广西壮族自治区亚热带作物研究所（广西亚热带农产品加工研究所） | Pesticide preparation for preventing and treating mealybugs in pineapple |
| CN113662013A (en) * | 2021-08-02 | 2021-11-19 | 广州毅田生物技术有限公司 | Synergist for biological insecticide and use method thereof |
-
2005
- 2005-12-21 CN CN 200510135865 patent/CN1792153A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103238592A (en) * | 2013-05-22 | 2013-08-14 | 广西田园生化股份有限公司 | Solvent composition for pyrazol and pyrrole pesticide microemulsion |
| CN103238592B (en) * | 2013-05-22 | 2015-04-01 | 广西田园生化股份有限公司 | Solvent composition for pyrazol and pyrrole pesticide microemulsion |
| CN104026145A (en) * | 2014-06-30 | 2014-09-10 | 济南东泽生物科技有限公司 | Compound insecticide |
| CN104026145B (en) * | 2014-06-30 | 2016-09-28 | 济南东泽生物科技有限公司 | A kind of composite insecticide |
| CN105028482A (en) * | 2015-08-04 | 2015-11-11 | 鲍克胜 | Composite pesticide |
| CN107821464A (en) * | 2017-10-27 | 2018-03-23 | 邱金余 | Environmental type agricultural chemicals is used in a kind of sweet potato plantation |
| CN108835126A (en) * | 2018-06-27 | 2018-11-20 | 四川福思达生物技术开发有限责任公司 | A kind of agricultural insecticidal composite and its application containing nicotine compound and mineral oil |
| CN112042638A (en) * | 2020-09-16 | 2020-12-08 | 广西壮族自治区亚热带作物研究所（广西亚热带农产品加工研究所） | Pesticide preparation for preventing and treating mealybugs in pineapple |
| CN113662013A (en) * | 2021-08-02 | 2021-11-19 | 广州毅田生物技术有限公司 | Synergist for biological insecticide and use method thereof |
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