CN107593758B - The missible oil and its preparation method and application of gamma cyhalothrin and chlorpyrifos mixture - Google Patents
The missible oil and its preparation method and application of gamma cyhalothrin and chlorpyrifos mixture Download PDFInfo
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Abstract
The present invention discloses a kind of missible oil and its preparation method and application of gamma cyhalothrin and chlorpyrifos mixture, belongs to formulations of pesticide field.The missible oil of the gamma cyhalothrin and chlorpyrifos mixture is made of following weight percent composition：Gamma cyhalothrin 1 6%, chlopyrifos 20 50%, compound emulsifying agent 1 25%, cosolvent 1 15%, surplus are solvent；The compound emulsifying agent is made of phenethyl phenol polyethenoxy ether sulfate, alcohol ether carboxylate, 80 anhydrous sorbitol laurates of PEG, the phenethyl phenol polyethenoxy ether sulfate, alcohol ether carboxylate, 80 anhydrous sorbitol laurates of PEG weight ratio be 1:1‑5:1‑5.Invention formulation components system is reasonable, and emulsifying effectiveness is good, alleviates the pollution to environment, good to planthopper control effect, can delay pest resistance to insecticide.
Description
Technical field
The present invention relates to formulations of pesticide field, gamma cyhalothrin and the chlopyrifos for particularly relating to a kind of high-efficiency environment friendly are multiple
With missible oil and its preparation method and application.
Background technology
Missible oil is one of basic dosage form of pesticide.It is dissolved in organic solvent by a certain percentage by pesticide original medicine, then
A certain amount of pesticide emulsifier special is added, the homogeneous phase transparent oily liquids and water of preparation can form metastable emulsion,
This oily liquids is known as missible oil.
Compared with other formulations of pesticide, missible oil has following features：Missible oil has wider adaptability to pesticide original medicine.
Pesticide original medicine most all indissolubles or not soluble in water including solid either liquid pesticidal, but it is organic to be soluble in dimethylbenzene etc.
In solvent.Quite a few active compound is unstable in water, but very stable in organic solvent；In addition, missible oil is transparent homogeneous
Oily liquids, generally all have good chemically and physically stability, room temperature under confined conditions, be not susceptible to decompose, it is muddy
Phenomena such as turbid, layering, precipitation, there is splendid storage performance；Furthermore if any being sprayed at after dilution on crop target, liquid
It adheres well to, open up in crop surface or disease pest cursive script, be not easy to be lost in by rain drop erosion, with other formulations of pesticide phases
Than having the lasting period long, the high feature of bioactivity.
With largely used in missible oil the strong toluene of pollution, xylene solvent and some pollute strong emulsifier, breast
This product of oil gradually displays the negative effect of environment, these solvents are low, inflammable and explosive with flash-point and to people and ring
The shortcomings of border is harmful, fully enters environment during Pesticide use, not only causes serious environmental pollution, but also damage people
Body health, leads to biological slow poisoning.
Gamma cyhalothrin, chemical name：Cyano-(the fluoro- 3- benzyloxy phenoxies bases of 4-)-methyl-(2,2- dichloroethylenes)-
2,2- dimethyl cyclopropane carboxylic acid's esters, are a kind of pyrethroid insecticides of synthesis, the medicine to public health insect extremely
Effectively, be a kind of broad spectrum pesticide, insecticidal activity is high, belongs to never poison, with tag with stomach poison function based on, and have certain to become
The effect of keeping away, no interior suction and fumigation action.Lepidoptera, coleoptera, Semiptera and mite pest can be effectively prevented, property is steady
It is fixed, resistance of rainwater washing against；Also the parasite on animal body can be prevented, with desinsection wide spectrum, efficient, speed is fast, the spy of lasting period length
Point.
Chlopyrifos also known as chlorine pyrazothion are acetylcholinesterase inhibitors, belong to thiophosphate insecticides, have and touch
It kills, stomach toxicity and fumigation action, has preferable control effect to lepidoptera pest, plant hopper, leafhopper, mythimna separata, aphid etc., but poison with poison
Tick single use prevention planthopper is of high cost, and pollution-free rice produces, and the substitute species of high-toxic pesticide are seldom, certainly will occur
Continuous use, the situation of relay medication, the risk that rice grub generates chlopyrifos drug resistance are larger.
Patent farm chemical emulsion preparation (CN101731204A) discloses 10% chlopyrifos of one kind and effective cypermethrin pesticide
The preparation of missible oil, the emulsifier used for TG-2201 is commercialized, select absolute ethyl alcohol, glycerine used to be replaced as solvent by cosolvent
For toluene or it is the cream preparation that toluene is solvent, solves because toluene, dimethylbenzene are largely using the toxic side effect generated, but should
Pesticide activity component total content is only 10% in preparation.
Invention content
The technical problem to be solved in the present invention is to provide a kind of components system is reasonable, pollution is small, to planthopper control effect
The missible oil and preparation method thereof of the gamma cyhalothrin and chlorpyrifos mixture of high active ingredient good, that pest resistance to insecticide can be delayed
And application.
In order to solve the above technical problems, present invention offer technical solution is as follows：
On the one hand, a kind of missible oil of gamma cyhalothrin and chlorpyrifos mixture is provided, by following weight percent composition
Composition：
The compound emulsifying agent is by phenethyl phenol polyethenoxy ether sulfate, alcohol ether carboxylate, PEG-80 anhydrous sorbitols
Laurate forms, the phenethyl phenol polyethenoxy ether sulfate, alcohol ether carboxylate, PEG-80 anhydrous sorbitol laurates
Weight ratio be 1:1-5:1-5.
Further, the missible oil of the gamma cyhalothrin and chlorpyrifos mixture, by following weight percent composition group
At：
The compound emulsifying agent is by phenethyl phenol polyethenoxy ether sulfate, alcohol ether carboxylate, PEG-80 anhydrous sorbitols
Laurate forms, the phenethyl phenol polyethenoxy ether sulfate, alcohol ether carboxylate, PEG-80 anhydrous sorbitol laurates
Weight ratio be 1:2-5:2-5.
Further, the missible oil of the gamma cyhalothrin and chlorpyrifos mixture, by following weight percent composition group
At：
The compound emulsifying agent is by phenethyl phenol polyethenoxy ether sulfate, alcohol ether carboxylate, PEG-80 anhydrous sorbitols
Laurate forms, the phenethyl phenol polyethenoxy ether sulfate, alcohol ether carboxylate, PEG-80 anhydrous sorbitol laurates
Weight ratio be 1:5:2.
Further, the cosolvent is spectrasolv DMDA, is a kind of highly polar aprotic solvent, can dissolve more
Kind compound increases stability of the pesticide original medicine in organic solvent and water.
Further, the solvent is dimethyl carbonate, is that a kind of biological degradability is good, less toxic, environmental-protecting performance is excellent
Liquid, and have the characteristics that it is safe to use, conveniently, pollution less, be easy transport.
On the other hand, the present invention also provides the preparation method of above-mentioned gamma cyhalothrin and the missible oil of chlorpyrifos mixture,
Including：By gamma cyhalothrin, chlopyrifos, the N after metering, N- dimethyldecamides, dimethyl carbonate are added in compounding kettle
It stirs to dissolve, adds phenethyl phenol polyethenoxy ether sulfate, alcohol ether carboxylate, PEG-80 anhydrous sorbitol lauric acid
Ester is supplied with dimethyl carbonate, open blender, after stirring evenly, filtering to get.
In another aspect, the present invention also provides the application of above-mentioned gamma cyhalothrin and the missible oil of chlorpyrifos mixture, application
In the pest for preventing Lepidoptera, coleoptera, Semiptera and mite species.
The invention has the advantages that：
1. present invention optimization emulsifier component and proportioning, filter out that environmental pollution is small, good compound of biodegradability
Emulsifier.The compound emulsifying agent can pass through steric hindrance, lipophile carbochain and anchoring group and electrostatic repulsion and the original in solvent
Medicine phases act on, and make to keep independent and dispersion between emulsion droplet.
2. the present invention chooses the cosolvent of specific components, the missible oil of preparation can disperse automatically in water, qualified stability.
3. the present invention is good using biological degradability, small green and environment-friendly solvent is polluted, the pollution to environment is alleviated, to breast
The development of oil has facilitation.
4. the present invention compared with emulsifier is used alone, has effects that more significant synergistic.
Specific implementation mode
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with specific implementation
Example is described in detail.
For in the prior art, the organic solvent and emulsifier that cream preparation uses are more toxic the present invention, and are existed
The problem of environmental pollution, provides a kind of missible oil and preparation method thereof of the gamma cyhalothrin and chlorpyrifos mixture of high-efficiency environment friendly
And application.
1, specific embodiment
Embodiment 1
The missible oil of gamma cyhalothrin and chlorpyrifos mixture, consists of the following components in percentage by weight：Efficient chlorine fluorine
Cyano chrysanthemate 1%, chlopyrifos 50%, compound emulsifying agent 22%, N, N- dimethyldecamides 10%, surplus are dimethyl carbonate；
Phenethyl phenol polyethenoxy ether sulfate, alcohol ether carboxylate, PEG-80 anhydrous sorbitol bays in compound emulsifying agent
The weight ratio of acid esters is 1:5:5.
Preparation method is to include：By the gamma cyhalothrin and chlorpyrifos mixture, N after metering, N- dimethyldecamides,
Dimethyl carbonate be added compounding kettle in stir to dissolve, add phenethyl phenol polyethenoxy ether sulfate, alcohol ether carboxylate,
PEG-80 anhydrous sorbitol laurates, are supplied with dimethyl carbonate, open blender, and after stirring evenly, filtering is closed through quality inspection
After lattice to get.
Embodiment 2
The missible oil of gamma cyhalothrin and chlorpyrifos mixture, consists of the following components in percentage by weight：Efficient chlorine fluorine
Cyano chrysanthemate 6%, chlopyrifos 20%, compound emulsifying agent 18%, N, N- dimethyldecamides 15%, surplus are dimethyl carbonate；
The compound emulsifying agent is by phenethyl phenol polyethenoxy ether sulfate, alcohol ether carboxylate, PEG-80 anhydrous sorbitols
Laurate forms, the phenethyl phenol polyethenoxy ether sulfate, alcohol ether carboxylate, PEG-80 anhydrous sorbitol laurates
Weight ratio be 1:1:1.
Preparation method：It is same as Example 1.
Embodiment 3
The missible oil of gamma cyhalothrin and chlorpyrifos mixture, consists of the following components in percentage by weight：Efficient chlorine fluorine
Cyano chrysanthemate 6%, chlopyrifos 30%, compound emulsifying agent 24%, N, N- dimethyldecamides 10%, surplus are dimethyl carbonate；
The compound emulsifying agent is by phenethyl phenol polyethenoxy ether sulfate, alcohol ether carboxylate, PEG-80 anhydrous sorbitols
Laurate forms, the phenethyl phenol polyethenoxy ether sulfate, alcohol ether carboxylate, PEG-80 anhydrous sorbitol laurates
Weight ratio be 1:2:5.
Preparation method：It is same as Example 1.
Embodiment 4
The missible oil of gamma cyhalothrin and chlorpyrifos mixture, consists of the following components in percentage by weight：Efficient chlorine fluorine
Cyano chrysanthemate 4%, chlopyrifos 44%, compound emulsifying agent 24%, N, N- dimethyldecamides 10%, surplus are dimethyl carbonate；
The compound emulsifying agent is by phenethyl phenol polyethenoxy ether sulfate, alcohol ether carboxylate, PEG-80 anhydrous sorbitols
Laurate forms, the phenethyl phenol polyethenoxy ether sulfate, alcohol ether carboxylate, PEG-80 anhydrous sorbitol laurates
Weight ratio be 1:5:2.
Preparation method：It is same as Example 1.
Advantageous effect in order to further illustrate the present invention, it is only multiple with the gamma cyhalothrin of embodiment 4 and chlopyrifos
With relevant comparative example is arranged for missible oil.
Comparative example 1
The missible oil of gamma cyhalothrin and chlorpyrifos mixture, consists of the following components in percentage by weight：Efficient chlorine fluorine
Cyano chrysanthemate 4%, chlopyrifos 44%, phenethyl phenol polyethenoxy ether sulfate 24%, N, N- dimethyldecamides 10%, surplus are
Dimethyl carbonate.
Comparative example 2
The missible oil of gamma cyhalothrin and chlorpyrifos mixture, consists of the following components in percentage by weight：Efficient chlorine fluorine
Cyano chrysanthemate 4%, chlopyrifos 44%, PEG-80 anhydrous sorbitols laurate 24%, N, N- dimethyldecamides 10%, surplus are
Dimethyl carbonate.
Comparative example 3
The missible oil of gamma cyhalothrin and chlorpyrifos mixture, consists of the following components in percentage by weight：Efficient chlorine fluorine
Cyano chrysanthemate 4%, chlopyrifos 44%, alcohol ether carboxylate 24%, N, N- dimethyldecamides 10%, surplus are dimethyl carbonate.
Comparative example 4
Gamma cyhalothrin and chlorpyrifos mixture missible oil, consist of the following components in percentage by weight：Flucythrinate
4%, chlopyrifos 44%, N, N- dimethyldecamides 10%, surplus are dimethyl carbonate.
Comparative example 5
The missible oil of gamma cyhalothrin and chlorpyrifos mixture, consists of the following components in percentage by weight：Efficient chlorine fluorine
Cyano chrysanthemate 4%, chlopyrifos 44%, compound emulsifying agent 24%, N, N- dimethyldecamides 10%, surplus are dimethyl carbonate；
The compound emulsifying agent is made of phenethyl phenol polyethenoxy ether sulfate, alcohol ether carboxylate, the phenethyl phenol
Polyoxyethylene ether sulfate, alcohol ether carboxylate weight ratio be 1:5.
Comparative example 6
The missible oil of gamma cyhalothrin and chlorpyrifos mixture, consists of the following components in percentage by weight：Efficient chlorine fluorine
Cyano chrysanthemate 4%, chlopyrifos 44%, compound emulsifying agent 24%, N, N- dimethyldecamides 10%, surplus are dimethyl carbonate；
The compound emulsifying agent is by phenethyl phenol polyethenoxy ether sulfate, PEG-80 anhydrous sorbitol laurate groups
Weight ratio at, the phenethyl phenol polyethenoxy ether sulfate, PEG-80 anhydrous sorbitol laurates is 1:2.
Comparative example 7
The missible oil of gamma cyhalothrin and chlorpyrifos mixture, consists of the following components in percentage by weight：Efficient chlorine fluorine
Cyano chrysanthemate 4%, chlopyrifos 44%, compound emulsifying agent 21%, N, N- dimethyldecamides 10%, surplus are dimethyl carbonate；
Alcohol ether carboxylate in the compound emulsifying agent, PEG-80 anhydrous sorbitol laurates weight ratio be 5:2.
Comparative example 8
The missible oil of gamma cyhalothrin and chlorpyrifos mixture, consists of the following components in percentage by weight：Efficient chlorine fluorine
Cyano chrysanthemate 4%, chlopyrifos 44%, TG-2201 emulsifiers 24%, absolute ethyl alcohol 10%, surplus are glycerine.
2, the main performance index of gamma cyhalothrin and chlorpyrifos mixture missible oil is tested
Measure the main property of the gamma cyhalothrin and chlorpyrifos mixture missible oil of above-described embodiment 1-4 and comparative example 1-8
Energy index test, specific data refer to table 1.
It is pesticidal emulsion 4stability determination that emulsion stability, which is measured with reference to GB/T1603-2001,；Hot and cold storage stability
Assay method refers to GB/T19136-2003 pesticide low-temperature stability assay methods respectively and GB/T19136-2003 pesticide heat is store
4stability determination；
The detection method of emulsifying dispersivity：1mL missible oil is slowly added to and is equipped with apart from water surface 2cm eminence with syringe
In the beaker of hard water, emulsion dispersion state is observed；
Enter the criterion of water emulsification dispersity：
Level-one：It can disperse automatic uniform rapidly, slightly agitation is in blue or pale asphyxia clear emulsion；
Two level：It can disperse white cloud and mist automatically, slightly agitation is in Blue-Color Semitransparent emulsion；
Three-level：Filiform dispersion, in the opaque emulsion of blue after agitation；
Level Four：White microspheroidal is sunk, white opaque emulsion after agitation；
Pyatyi：Sink in oil droplet shape, when agitation can emulsify, and stop agitation and be layered.
Table 1
As it can be seen from table 1 the present invention chooses rational components system, under component synergistic effect, emulsifying effectiveness is good, and
Property indices are qualified.
3, field control effectiveness test
Reagent agent：The gamma cyhalothrin and chlorpyrifos mixture missible oil of embodiment 1-4 and comparative example 1-8；
Control object：Diamondback moth, to Tetranychus cinnabarinus.
Test method：Using lepidoptera pest and agriculture mite class as experimental subjects, most peak period is occurred with insect pest and carries out dispenser, altogether
Dispenser 1 time is investigated population numbers and calculates control effect for 21 days after dispenser before dispenser.Control effect calculates as follows：
PT in formula0：Before dispenser, PT1：After dispenser, PT：Chemicals treatment district, CK：Blank district.
21 days Insecticiding-miticiding effects after the cream preparation medicine of 2 present invention of table
Field experiment the result shows that, the control effect of missible oil of the invention to diamondback moth, to Tetranychus cinnabarinus is preferable, embodiment
Control effect of the gamma cyhalothrin and chlorpyrifos mixture missible oil of 1-4 to diamondback moth, to Tetranychus cinnabarinus significantly better than pair
Ratio 1-8.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (7)
1. the missible oil of a kind of gamma cyhalothrin and chlorpyrifos mixture, which is characterized in that by following weight percent composition group
At：
Surplus is solvent；
The compound emulsifying agent is by phenethyl phenol polyethenoxy ether sulfate, alcohol ether carboxylate, PEG-80 anhydrous sorbitol bays
Acid esters form, the phenethyl phenol polyethenoxy ether sulfate, alcohol ether carboxylate, PEG-80 anhydrous sorbitol laurates weight
Amount is than being 1:1-5:1-5.
2. the missible oil of gamma cyhalothrin and chlorpyrifos mixture according to claim 1, which is characterized in that by following weight
Percent composition forms：
Surplus is solvent；
The compound emulsifying agent is by phenethyl phenol polyethenoxy ether sulfate, alcohol ether carboxylate, PEG-80 anhydrous sorbitol bays
Acid esters form, the phenethyl phenol polyethenoxy ether sulfate, alcohol ether carboxylate, PEG-80 anhydrous sorbitol laurates weight
Amount is than being 1:2-5:2-5.
3. the missible oil of gamma cyhalothrin and chlorpyrifos mixture according to claim 2, which is characterized in that by following weight
Percent composition forms：
Surplus is solvent；
The compound emulsifying agent is by phenethyl phenol polyethenoxy ether sulfate, alcohol ether carboxylate, PEG-80 anhydrous sorbitol bays
Acid esters form, the phenethyl phenol polyethenoxy ether sulfate, alcohol ether carboxylate, PEG-80 anhydrous sorbitol laurates weight
Amount is than being 1:5:2.
4. according to the missible oil of claim the 1-3 any gamma cyhalothrin and chlorpyrifos mixture, which is characterized in that described
Cosolvent is N, N- dimethyldecamides.
5. according to the missible oil of claim the 1-3 any gamma cyhalothrin and chlorpyrifos mixture, which is characterized in that described
Solvent is dimethyl carbonate.
6. a kind of preparation method of the missible oil of gamma cyhalothrin and chlorpyrifos mixture, which is characterized in that including：After measuring
Gamma cyhalothrin, chlopyrifos, spectrasolv DMDA, dimethyl carbonate be added compounding kettle in stir to dissolve,
Phenethyl phenol polyethenoxy ether sulfate, alcohol ether carboxylate, PEG-80 anhydrous sorbitol laurates are added, with carbonic acid diformazan
Ester is supplied, open blender, after stirring evenly, filtering to get；
Wherein, the missible oil is made of following weight percent composition：
Surplus is dimethyl carbonate；
The compound emulsifying agent is by phenethyl phenol polyethenoxy ether sulfate, alcohol ether carboxylate, PEG-80 anhydrous sorbitol bays
Acid esters form, the phenethyl phenol polyethenoxy ether sulfate, alcohol ether carboxylate, PEG-80 anhydrous sorbitol laurates weight
Amount is than being 1:2-5:2-5.
7. the application of the missible oil of any gamma cyhalothrins of claim 1-5 and chlorpyrifos mixture, which is characterized in that answer
For preventing Lepidoptera, coleoptera, Semiptera and the pest of mite species.
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| CN112120039A (en) * | 2020-10-28 | 2020-12-25 | 泰兴市新宏阳化工有限公司 | Cyhalothrin and chlorpyrifos mixed pesticide composition |
| CN112273393A (en) * | 2020-10-28 | 2021-01-29 | 泰兴市新宏阳化工有限公司 | Cyhalothrin and chlorpyrifos mixture |
| CN114027317A (en) * | 2021-12-14 | 2022-02-11 | 南通金陵农化有限公司 | Emulsifiable agent pesticide compounding process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1095890A (en) * | 1993-06-03 | 1994-12-07 | 南京农业大学 | Cyhalothrin, chlorpyrifos mixture |
| CN101305715A (en) * | 2008-01-26 | 2008-11-19 | 益阳市润慷宝化工有限公司 | Chlorpyrifos - highly active cyhalothrin EC and its preparation method |
| AU2011201771C1 (en) * | 2001-07-25 | 2015-02-05 | Syngenta Limited | Insecticidal mixture containing gamma-cyhalothrin |
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2017
- 2017-10-13 CN CN201710952980.9A patent/CN107593758B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1095890A (en) * | 1993-06-03 | 1994-12-07 | 南京农业大学 | Cyhalothrin, chlorpyrifos mixture |
| AU2011201771C1 (en) * | 2001-07-25 | 2015-02-05 | Syngenta Limited | Insecticidal mixture containing gamma-cyhalothrin |
| CN101305715A (en) * | 2008-01-26 | 2008-11-19 | 益阳市润慷宝化工有限公司 | Chlorpyrifos - highly active cyhalothrin EC and its preparation method |
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