CN102870771A - Imidacloprid missible oil pesticide - Google Patents
Imidacloprid missible oil pesticide Download PDFInfo
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- CN102870771A CN102870771A CN2012103830999A CN201210383099A CN102870771A CN 102870771 A CN102870771 A CN 102870771A CN 2012103830999 A CN2012103830999 A CN 2012103830999A CN 201210383099 A CN201210383099 A CN 201210383099A CN 102870771 A CN102870771 A CN 102870771A
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Abstract
The invention relates to an imidacloprid missible oil pesticide and belongs to the technical field of pesticides. A method for preparing the pesticide comprises (1) weighing raw materials including 0.5-5 parts of cosolvent, 5-10 parts of plant oil and 0.5-3 parts of emulsifier by weight for reserve; (2) adding an imidacloprid raw pesticide into the cosolvent to be fully dissolved to form mixed liquid; and (3) adding the plant oil into the mixed liquid formed in the step (2), fully mixing, and adding the emulsifier to evenly mix. The ratio between the mass of the imidacloprid raw pesticide and the total volume of the cosolvent, the plant oil and the emulsifier is 4.5-5.5g/L. According to the imidacloprid missible oil pesticide, a light aromatic hydrocarbon organic solvent in a traditional missible oil preparation is replaced with the plant oil, and the imidacloprid missible oil pesticide does not contains benzene, toluene or dimethylbenzene and the like and has no pollution to the environment. Compared with the existing imidacloprid missible oil preparation, the imidacloprid missible oil pesticide has high pest-killing effect when the same effective dose is used.
Description
Technical field
The present invention relates to a kind of Imidacloprid cream pesticide, belong to technical field of pesticide.
Background technology
China's formulations of pesticide have multiple at present, such as finish, missible oil, pulvis, wetting powder, suspending agent, colloidal suspending agent, aqua, granule etc., wherein the missible oil formulation is the transparence liquid that is processed by water-fast former medicine, organic solvent and emulsifier configuration, have drug effect high, use conveniently, character is more stable, easy characteristics such as dispersion in water, output is large, and applied range is a main formulation of agricultural chemicals.In today that water-based pesticide formulation is greatly developed, the old formulation of traditional missible oil still accounts for the pesticidal preparations half of the country, and in the annual approximately 2,000,000 tons of pesticidal preparations of China, the missible oil product still accounts for approximately 1,000,000 tons.But, most cream preparations use a large amount of organic solvents such as benzene,toluene,xylene in process, environment, ecology and production safety etc. are constituted a serious threat, and China has proposed the policy of strict limit production to traditional emulsifiable concentrate pesticide of making solvent with light aromatic hydrocarbons.
Imidacloprid is nicotinic insecticide, have tag, the multiple actions such as stomach toxicity, interior suction and food refusal, behind the insect contact medicament, the nervous centralis normal conduction is obstructed, and makes its paralysis dead, is mainly used in preventing and treating sucking pest.Owing to long-term, a large amount of, continuously use, insect has produced pesticide resistance to it in recent years, and insecticidal effect obviously reduces.
Summary of the invention
The object of the present invention is to provide the Imidacloprid cream pesticide of a kind of environmental protection, good disinsection effect, it does not contain benzene, toluene or dimethylbenzene equal solvent.
Technical scheme of the present invention is: a kind of Imidacloprid Insecticide, it is characterized in that, and made by following method: (1), measure the raw material for standby of following parts by volume: cosolvent 0.5～5, vegetable oil 5～10, emulsifier 0.5～3; (2), the former medicine of Imidacloprid is added abundant dissolving formation mixed liquor in the cosolvent; (3), add vegetable oil in step (2) mixed liquor and fully stir, add again emulsifier and mix and get final product.
The former medicine quality of above-mentioned Imidacloprid is 4.5～5.5g/L with the cumulative volume ratio of cosolvent, vegetable oil and emulsifier, preferred 5g/L.
Preferably, above-mentioned steps (1) measures the raw material parts by volume and is: cosolvent 2, vegetable oil 7, emulsifier 1.
Above-mentioned vegetable oil is selected from cottonseed oil, soya-bean oil, corn oil, sesame oil, peanut oil, sunflower oil or rapeseed oil.Above-mentioned cosolvent is preferably ethyl acetate and the carbinol mixture of volume ratio 1:1.Mentioned emulsifier is selected from emulsifier EL or polyalcohol APEO.
Imidacloprid Insecticide of the present invention is the translucent oily liquids of yellowish-brown, and the emulsification attitude reaches level Four, deposits at ambient temperature 2 years, and agalasisa is analysed thing, without layering and precipitation.
Using method: take out a certain amount of liquid, according to Capacity Ratio liquid: water=1:200～2000 mixing and stirring, can spray use.
The invention has the beneficial effects as follows: Imidacloprid cream pesticide of the present invention replaces light aromatic hydrocarbons organic solvent in traditional cream preparation with vegetable oil, does not contain benzene, toluene or dimethylbenzene etc., environmentally safe; Compare existing Imidacloprid cream preparation, when using identical effective dose, the present invention has stronger insecticidal effect.
Embodiment
Embodiment 1
Measure ethyl acetate 1L, methyl alcohol 1L, cottonseed oil 7L, emulsifier EL 1L.First the former powder 0.05Kg of Imidacloprid is added in the mixture of ethyl acetate 1L and methyl alcohol 1L fully that dissolving forms mixed liquor, add cottonseed oil 7L in the mixed liquor fully to stir, add again emulsifier EL 1L and mix and namely get liquid of the present invention.
Embodiment 2
Measure ethyl acetate 2L, methyl alcohol 2L, soya-bean oil 8L, emulsifier EL 2L, the former powder 0.063Kg of Imidacloprid, preparation method and step are with embodiment 1.
Embodiment 3
Measure ethyl acetate 1.5L, methyl alcohol 1.5L, corn oil 10L, emulsifier EL 3L, the former powder 0.088Kg of Imidacloprid, preparation method and step are with embodiment 1.
Embodiment 4
Measure ethyl acetate 5L, methyl alcohol 5L, rapeseed oil 50L, polyalcohol APEO 5L, the former powder 0.325Kg of Imidacloprid, preparation method and step are with embodiment 1.
Embodiment 5
Measure ethyl acetate 2.5L, methyl alcohol 2.5L, peanut oil 18L, polyalcohol APEO 4L, the former powder 0.135Kg of Imidacloprid, preparation method and step are with embodiment 1.
Insecticide indoor virulence of the present invention and field control effectiveness test
1. materials and methods
1.1 test material
Tested on May 8th, 2012 and carry out in Liaocheng University chemoproection laboratory and experimental field, 5% common Imidacloprid missible oil (the green despot's chemical inc in Shandong), Imidacloprid missible oil of the present invention (embodiment 1 makes).Black peach aphid for examination is picked up from the Liaocheng University campus.
1.2 test method
1.2.1 Toxicity Determination
Infusion process is adopted in this test, time is 5s, according to preliminary experiment, the consumption of 5% common Imidacloprid missible oil and Imidacloprid missible oil of the present invention is respectively 100,50,25,12.5,6.25,4.167,3.125mg/L and 50,16.67,10,5,2.5,1.25,0.625mg/L and 16 processing of clear water contrast, every processing repeats 3 times, the 24h investigation result.The AbbottShi updating formula is adopted in the calculating of corrected mortality (%).
1.2.2 field control effectiveness test
Spray-on process is adopted in this test, and the effective dose that the present invention and 5% common Imidacloprid missible oil use is 25mg/L, investigates the calculating control efficiency behind the spray medicine on the the 1st, 3,5,7 day.
2. Toxicity Determination results and analysis
2.1 the indoor toxicity test result that tags of common missible oil
Table 1 5% common Imidacloprid missible oil is to the indoor toxicity test result that tags of black peach aphid
Calculate LC50 by table 1, the result:
Return intercept A3.87527, standard error 0.47748, regression coefficient B1.27805, standard error 0.46980, correlation coefficient 0.95815, F test value 56.01369, significance level p 0.00067;
Letter district 0.58570～1.44171 is put in Lc50 logarithm concentration=1.12473 95%
Letter district 3.85208～27.65117 is put in concentration=7.58649 95%
Lc50 effective dose=7.59mg/L
2.2 the indoor toxicity test result that tags of missible oil of the present invention
Table 2 Imidacloprid missible oil of the present invention is to the indoor toxicity test result that tags of black peach aphid
Calculate LC50 by table 2, the result:
Return intercept A4.93466, standard error 0.18865, regression coefficient B0.81116, standard error 0.22721, correlation coefficient 0.99267, F test value 337.51681, significance level p0.00001;
Letter district-0.01684～0.18157 is put in Lc50 logarithm concentration=0.06534 95%
Letter district 0.96198～1.51903 is put in concentration=1.20379 95%
Lc50 effective dose=1.20mg/L
Calculate as can be known from the measurement result of table 1 and table 2,5% common Imidacloprid missible oil to the indoor toxicity test result that tags of black peach aphid is: Lc50 effective dose 7.59mg/L, the embodiment of the invention 1 Imidacloprid missible oil to the indoor toxicity test result that tags of black peach aphid is: Lc50 effective dose 1.20mg/L, show that the present invention reaches the virulence of 5% common Imidacloprid missible oil, but the sixth of not enough common Imidacloprid missible oil of effective dose consumption.
3. field control effectiveness test results and analysis
First and third, five, seven day drug effect result after table 3 chemicals treatment
As shown in Table 3, in the situation that use equal effective dose, significantly better than 5% common Imidacloprid missible oil, black peach aphid first day lethality reaches 99.5% to the embodiment of the invention 1 Imidacloprid missible oil to the black peach aphid control efficiency, has desinsection characteristics rapidly and efficiently.
Claims (6)
1. an Imidacloprid Insecticide is characterized in that, is made by following method: (1), measure the raw material for standby of following parts by volume: cosolvent 0.5～5, vegetable oil 5～10, emulsifier 0.5～3; (2), the former medicine of Imidacloprid is added abundant dissolving formation mixed liquor in the cosolvent; (3), add vegetable oil in step (2) mixed liquor and fully stir, add again emulsifier and mix and get final product; The former medicine quality of described Imidacloprid is 4.5～5.5g/L with the cumulative volume ratio of cosolvent, vegetable oil and emulsifier.
2. Imidacloprid Insecticide as claimed in claim 1 is characterized in that, described cosolvent is ethyl acetate and the carbinol mixture of volume ratio 1:1.
3. Imidacloprid Insecticide as claimed in claim 1 or 2 is characterized in that, described step (1) raw material parts by volume is: cosolvent 2, vegetable oil 7, emulsifier 1.
4. Imidacloprid Insecticide as claimed in claim 1 or 2 is characterized in that, described vegetable oil is selected from cottonseed oil, soya-bean oil, corn oil, sesame oil, peanut oil, sunflower oil or rapeseed oil.
5. Imidacloprid Insecticide as claimed in claim 1 or 2 is characterized in that, the former medicine quality of described Imidacloprid is 5g/L with the cumulative volume ratio of cosolvent, vegetable oil and emulsifier.
6. Imidacloprid Insecticide as claimed in claim 1 or 2 is characterized in that, described emulsifier is selected from emulsifier EL or polyalcohol APEO.
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| CN2012103830999A CN102870771A (en) | 2012-10-11 | 2012-10-11 | Imidacloprid missible oil pesticide |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103598177A (en) * | 2013-11-29 | 2014-02-26 | 苏州佳辉化工有限公司 | Prosulfocarb-containing environment-friendly herbicide |
| CN105660678A (en) * | 2016-02-19 | 2016-06-15 | 河北岗恩生物科技有限公司 | Imidacloprid aromatic-free emulsifiable oil and preparation method thereof |
| CN105851097A (en) * | 2016-04-29 | 2016-08-17 | 山东胜伟园林科技有限公司 | Botanical insecticide for preventing and controlling cotton bollworm and preparing method thereof |
| CN106572651A (en) * | 2014-08-05 | 2017-04-19 | 陶氏环球技术有限责任公司 | Emulsifiable concentrates of indoxacarb |
| CN106577804A (en) * | 2016-10-28 | 2017-04-26 | 华南农业大学 | Shield protective type insecticide for repelling natural enemy insects and honeybees |
| CN114831131A (en) * | 2022-05-17 | 2022-08-02 | 武汉回盛生物科技股份有限公司 | Imidacloprid self-microemulsion preparation and preparation method and application thereof |
| CN116868994A (en) * | 2023-09-07 | 2023-10-13 | 山东康惠植物保护有限公司 | Chlorpyrifos emulsifiable concentrate and application thereof |
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| CN1701663A (en) * | 2005-06-24 | 2005-11-30 | 福建省泉州德盛农药有限公司 | Pesticide auxiliary agent |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103598177A (en) * | 2013-11-29 | 2014-02-26 | 苏州佳辉化工有限公司 | Prosulfocarb-containing environment-friendly herbicide |
| CN106572651A (en) * | 2014-08-05 | 2017-04-19 | 陶氏环球技术有限责任公司 | Emulsifiable concentrates of indoxacarb |
| CN106572651B (en) * | 2014-08-05 | 2021-01-29 | 陶氏环球技术有限责任公司 | Emulsifiable concentrate of indoxacarb |
| CN105660678A (en) * | 2016-02-19 | 2016-06-15 | 河北岗恩生物科技有限公司 | Imidacloprid aromatic-free emulsifiable oil and preparation method thereof |
| CN105851097A (en) * | 2016-04-29 | 2016-08-17 | 山东胜伟园林科技有限公司 | Botanical insecticide for preventing and controlling cotton bollworm and preparing method thereof |
| CN106577804A (en) * | 2016-10-28 | 2017-04-26 | 华南农业大学 | Shield protective type insecticide for repelling natural enemy insects and honeybees |
| CN106577804B (en) * | 2016-10-28 | 2019-09-20 | 华南农业大学 | A kind of shielding protection type insecticide of repellent natural enemy insect and honeybee |
| CN114831131A (en) * | 2022-05-17 | 2022-08-02 | 武汉回盛生物科技股份有限公司 | Imidacloprid self-microemulsion preparation and preparation method and application thereof |
| CN116868994A (en) * | 2023-09-07 | 2023-10-13 | 山东康惠植物保护有限公司 | Chlorpyrifos emulsifiable concentrate and application thereof |
| CN116868994B (en) * | 2023-09-07 | 2023-12-08 | 山东康惠植物保护有限公司 | Chlorpyrifos emulsifiable concentrate and application thereof |
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Application publication date: 20130116 |