CN107593696A - Clodinafop-propargyl missible oil of high-efficiency environment friendly and its preparation method and application - Google Patents
Clodinafop-propargyl missible oil of high-efficiency environment friendly and its preparation method and application Download PDFInfo
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Abstract
The present invention discloses clodinafop-propargyl missible oil of a kind of high-efficiency environment friendly and its preparation method and application, belongs to formulations of pesticide field.The clodinafop-propargyl missible oil of the high-efficiency environment friendly, is made up of following weight percent composition：Clodinafop-propargyl 1 30%, compound emulsifying agent 1 35%, cosolvent 1 20%, safener 0.25 7.5%, surplus are solvent；The compound emulsifying agent is made up of phenethyl phenol polyethenoxy ether sulfate, ethoxylated dodecyl alcohol and cithrol, and the weight ratio of the phenethyl phenol polyethenoxy ether sulfate, ethoxylated dodecyl alcohol and cithrol is 1:1‑5:5‑10.Invention formulation components system is reasonable, and emulsifying effectiveness is good, mitigates the pollution to environment.
Description
Technical field
The present invention relates to formulations of pesticide field, particularly relate to clodinafop-propargyl missible oil of a kind of high-efficiency environment friendly and preparation method thereof and
Using.
Background technology
Missible oil is one of basic formulation of agricultural chemicals.It is dissolved in organic solvent by a certain percentage by pesticide original medicine, then
Metastable emulsion can be formed by adding a certain amount of agricultural chemicals emulsifier special, the homogeneous phase transparent oily liquids of preparation, and water,
This oily liquids is referred to 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 is including solid or liquid pesticidal, most all indissolubles or not soluble in water, 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, typically all there is good chemically and physically stability, be not susceptible to decompose in normal temperature under confined conditions, be muddy
Phenomena such as turbid, layering, precipitation, there is splendid storage performance；Furthermore if any being sprayed at after dilution on crop target, medicine company
Adhere 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 with the characteristics of lasting period length, bioactivity is high.
With a large amount of toluene strong using contaminative, xylene solvent in missible oil, and some pollute strong emulsifying agent, breast
Negative effect of this product of oil to environment gradually displays, and these solvents have flash-point low, inflammable and explosive and to people and ring
Border has the shortcomings that to endanger, and environment is fully entered during Pesticide use, not only causes serious environmental pollution, and damage people
Body health, the problems such as causing biological slow poisoning.
Clodinafop-propargyl active compound is white crystal, belongs to fragrant phenoxy phenoxy propionic acid herbicide, can effectively suppress the biosynthesis of class ester
For the auxiliary quick A hydroxylase inhibitors of acetyl, this product is degraded to free acid phenyl quickly in soil and pyridine moiety enters soil.This
Product can prevent and treat the grassy weeds such as wheat paddock rat-tail amur foxtail, tall oat grass, rye grass, rough stalked blue grass green bristlegrass.In water
Solubility is 242mg/L (pH=7,25 DEG C), can be dissolved in the organic solvents such as ethanol, ether, acetone, chloroform, decomposition temperature 105
DEG C, decomposed under the conditions of strong acid and strong base.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of components system is reasonable, the clodinafop-propargyl of small high-efficiency environment friendly is polluted
Missible oil and its preparation method and application.
In order to solve the above technical problems, present invention offer technical scheme is as follows：
On the one hand, there is provided a kind of clodinafop-propargyl missible oil of high-efficiency environment friendly, be made up of following weight percent composition：Clodinafop-propargyl 1-
30%th, compound emulsifying agent 1-35%, cosolvent 1-20%, safener 0.25-7.5%, surplus are solvent；
The compound emulsifying agent is by phenethyl phenol polyethenoxy ether sulfate, ethoxylated dodecyl alcohol and Macrogol Ester
Fat acid fat forms, the phenethyl phenol polyethenoxy ether sulfate, ethoxylated dodecyl alcohol and cithrol
Weight ratio is 1:1-5:5-10.
Preferably, the clodinafop-propargyl missible oil of the high-efficiency environment friendly, is made up of following weight percent composition：Clodinafop-propargyl 24%,
Compound emulsifying agent 10-35%, cosolvent 5-20%, safener 6%, surplus are solvent；Phenethyl in the compound emulsifying agent
The weight ratio of phenol polyethenoxy ether sulfate, ethoxylated dodecyl alcohol and cithrol is 1:5:10.
Preferably, the clodinafop-propargyl missible oil of the high-efficiency environment friendly, is made up of following weight percent composition：Clodinafop-propargyl 8%, answer
Co-emulsifier 20-35%, cosolvent 10-20%, safener 2%, surplus are solvent.
Preferably, the cosolvent is spectrasolv DMDA, and increase pesticide original medicine is steady in organic solvent and water
It is qualitative；The safener is cloquintocetmexyl.
Preferably, the solvent is dimethyl carbonate, is the liquid that a kind of biological degradability is good, less toxic, environmental-protecting performance is excellent
Body, and have the characteristics that it is safe to use, conveniently, pollution less, easily transport.
On the other hand, the present invention also provides the preparation method of the clodinafop-propargyl missible oil of above-mentioned high-efficiency environment friendly, including：After measuring
Clodinafop-propargyl, spectrasolv DMDA, dimethyl carbonate add compounding kettle in stirring make its dissolving, add phenethyl phenol and gather
Oxygen ethene ether sulfate, ethoxylated dodecyl alcohol, cithrol, cloquintocetmexyl, are supplied with dimethyl carbonate, are opened
Mixer, after stirring, filtering, produce.
Another further aspect, the clodinafop-propargyl missible oil that the present invention also provides above-mentioned high-efficiency environment friendly are applied to preventing and treating grassy weed.
Further, the grassy weed is amur foxtail, tall oat grass, rye grass, green bristlegrass.
The invention has the advantages that：
1. present invention optimizes the component of emulsifying agent and proportioning, the emulsification that can make clodinafop-propargyl missible oil stable performance is filtered out
Agent, compound emulsifying agent used in the present invention can by steric hindrance, lipophile carbochain and anchoring group and electrostatic repulsion with it is molten
Clodinafop-propargyl phase separation in agent, make to keep between emulsion droplet it is independent with it is scattered.
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 emulsifying agent is used alone, has the effect of more significant Synergistic.
Embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with specific implementation
Example is described in detail.
The present invention exists in the prior art, the organic solvent and emulsifying agent toxicity that cream preparation uses are larger
A kind of the problem of environmental pollution, there is provided clodinafop-propargyl missible oil of high-efficiency environment friendly and its preparation method and application.
1st, specific embodiment
Embodiment 1
The clodinafop-propargyl missible oil of high-efficiency environment friendly, is consisted of the following components in percentage by weight：Clodinafop-propargyl 30%, phenethyl phenol are gathered
Oxygen ethene ether sulfate 2%, ethoxylated dodecyl alcohol 2%, cithrol 10%, N, N- dimethyldecamides
5%th, cloquintocetmexyl 7.5%, surplus are dimethyl carbonate.
Preparation method is to include：By the clodinafop-propargyl after metering, N, N- dimethyldecamides, dimethyl carbonate add compounding kettle
Interior stirring makes its dissolving, adds phenethyl phenol polyethenoxy ether sulfate, ethoxylated dodecyl alcohol, polyethylene glycol fatty acid
Fat, cloquintocetmexyl, supplied with dimethyl carbonate, open mixer, after stirring, filtering, after quality inspection is qualified, produced.
Embodiment 2
The clodinafop-propargyl missible oil of high-efficiency environment friendly, is consisted of the following components in percentage by weight：Clodinafop-propargyl 24%, phenethyl phenol are gathered
Oxygen ethene ether sulfate 2%, ethoxylated dodecyl alcohol 10%, cithrol 20%, N, N- dimethyldecamides
10%th, cloquintocetmexyl 6%, surplus are dimethyl carbonate.
Preparation method：It is same as Example 1.
Embodiment 3
The clodinafop-propargyl missible oil of high-efficiency environment friendly, is consisted of the following components in percentage by weight：Clodinafop-propargyl 8%, phenethyl phenol are gathered
Oxygen ethene ether sulfate 2%, ethoxylated dodecyl alcohol 10%, cithrol 20%, N, N- dimethyldecamides
20%th, cloquintocetmexyl 2%, surplus are dimethyl carbonate.
Preparation method：It is same as Example 1.
In order to further illustrate beneficial effects of the present invention, correlation is set only by taking the clodinafop-propargyl missible oil of embodiment 2 as an example
Comparative example.
Comparative example 1
24% clodinafop-propargyl missible oil, is consisted of the following components in percentage by weight：Clodinafop-propargyl 24%, phenethyl phenol polyoxyethylene
Ether sulfate 32%, N, N- dimethyldecamides 10%, cloquintocetmexyl 6%, surplus are dimethyl carbonate.
Comparative example 2
24% clodinafop-propargyl missible oil, is consisted of the following components in percentage by weight：Clodinafop-propargyl 24%, ethoxylated dodecyl alcohol
32%th, N, N- dimethyldecamide 10%, cloquintocetmexyl 6%, surplus are dimethyl carbonate.
Comparative example 3
24% clodinafop-propargyl missible oil, is consisted of the following components in percentage by weight：Clodinafop-propargyl 24%, cithrol
32%th, N, N- dimethyldecamide 10%, cloquintocetmexyl 6%, surplus are dimethyl carbonate.
Comparative example 4
24% clodinafop-propargyl missible oil, is consisted of the following components in percentage by weight：Clodinafop-propargyl 24%, N, N- dimethyldecamides
10%th, cloquintocetmexyl 6%, surplus are dimethyl carbonate.
Comparative example 5
24% clodinafop-propargyl missible oil, is consisted of the following components in percentage by weight：Clodinafop-propargyl 24%, phenethyl phenol polyoxyethylene
Ether sulfate 2%, ethoxylated dodecyl alcohol 10%, cithrol 20%, cloquintocetmexyl 6%, surplus are dimethylbenzene.
Comparative example 6
24% clodinafop-propargyl missible oil, is consisted of the following components in percentage by weight：Clodinafop-propargyl 24%, phenethyl phenol polyoxyethylene
Ether sulfate 22%, ethoxylated dodecyl alcohol 10%, N, N- dimethyldecamides 10%, cloquintocetmexyl 6%, surplus are carbonic acid two
Methyl esters.
Comparative example 7
24% clodinafop-propargyl missible oil, is consisted of the following components in percentage by weight：Clodinafop-propargyl 24%, phenethyl phenol polyoxyethylene
Ether sulfate 12%, cithrol 20%, N, N- dimethyldecamides 10%, cloquintocetmexyl 6%, surplus are carbonic acid two
Methyl esters.
Comparative example 8
24% clodinafop-propargyl missible oil, is consisted of the following components in percentage by weight：Clodinafop-propargyl 24%, ethoxylated dodecyl alcohol
12%th, cithrol 20%, N, N- dimethyldecamides 10%, cloquintocetmexyl 6%, surplus are dimethyl carbonate.
2nd, the main performance index test of clodinafop-propargyl missible oil
The main performance index test of above-described embodiment 1-3 and comparative example 1-8 clodinafop-propargyl missible oil is determined, specific data are detailed
It is shown in Table 1.
Emulsion stability measure is pesticidal emulsion 4stability determination with reference to GB/T1603-2001；Hot and cold storage stability
Assay method is respectively with reference to GB/T19136-2003 agricultural chemicals low-temperature stability assay methods and the heat storage of GB/T19136-2003 agricultural chemicals
4stability determination；
The detection method of emulsifying dispersivity：With syringe by 1mL missible oil, apart from water surface 2cm eminences, slowly it is added to and is equipped with
In the beaker of hard water, emulsion dispersion state is observed；
Enter the criterion of water emulsification dispersity：
One-level：It can disperse automatic uniform rapidly, slightly agitation is in blueness 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：It is thread scattered, in the opaque emulsion of blueness after agitation；
Level Four：White microspheroidal is sunk, white opaque emulsion after agitation；
Pyatyi：Sink in oil droplet shape, can emulsify during agitation, stop agitation and be layered.
Table 1
As it can be seen from table 1 the present invention chooses rational components system, under component synergy, emulsifying effectiveness is good, and
Property indices are qualified.
3rd, field control effectiveness test
Reagent agent：Embodiment 1-3 and comparative example 1-8 clodinafop-propargyl missible oil；
Control object：Amur foxtail, green bristlegrass.
Test method：Test in being carried out in bare place, each group handles 3 repetitions, and processing area is about 50m2, according to
The area of experimental plot, the good various medicaments of precise, is diluted with water 2000 times, spraying treatment.30d weeds after statistics administration
Death condition, the activity of weeding of more various medicaments.It the results are shown in Table 2.
30 days herbicidal effects after the cream preparation medicine of the present invention of table 2
Field experiment result shows that missible oil of the invention is preferable to the prevention effect of weeds, embodiment 1-3 clodinafop-propargyl breast
Oil is significantly better than comparative example 1-8 to the prevention effect of amur foxtail, green bristlegrass.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. the clodinafop-propargyl missible oil of a kind of high-efficiency environment friendly, it is characterised in that be made up of following weight percent composition：Clodinafop-propargyl 1-
30%th, compound emulsifying agent 1-35%, cosolvent 1-20%, safener 0.25-7.5% surpluses are solvent；
The compound emulsifying agent is by phenethyl phenol polyethenoxy ether sulfate, ethoxylated dodecyl alcohol and polyethylene glycol fatty acid
Fat forms, the weight of the phenethyl phenol polyethenoxy ether sulfate, ethoxylated dodecyl alcohol and cithrol
Than for 1:1-5:5-10.
2. the clodinafop-propargyl missible oil of high-efficiency environment friendly according to claim 1, it is characterised in that by following weight percent composition
Composition：Clodinafop-propargyl 24%, compound emulsifying agent 10-35%, cosolvent 5-20%, safener 6%, surplus are solvent；It is described compound
The weight ratio of phenethyl phenol polyethenoxy ether sulfate, ethoxylated dodecyl alcohol and cithrol in emulsifying agent
For 1:5:10.
3. the clodinafop-propargyl missible oil of high-efficiency environment friendly according to claim 2, it is characterised in that by following weight percent composition
Composition：Clodinafop-propargyl 8%, compound emulsifying agent 20-35%, cosolvent 10-20%, safener 2%, surplus are solvent.
4. according to the clodinafop-propargyl missible oil of any described high-efficiency environment friendlies of claim 1-3, it is characterised in that the cosolvent is N,
N- dimethyldecamides；The safener is cloquintocetmexyl.
5. according to the clodinafop-propargyl missible oil of any described high-efficiency environment friendlies of claim 1-3, it is characterised in that the solvent is carbonic acid
Dimethyl ester.
6. the preparation method of the clodinafop-propargyl missible oil of any described high-efficiency environment friendlies of claim 1-5, it is characterised in that including：Will
Clodinafop-propargyl, spectrasolv DMDA, dimethyl carbonate after metering, which add stirring in compounding kettle, makes its dissolving, adds benzene second
Base phenol polyethenoxy ether sulfate, ethoxylated dodecyl alcohol, cithrol, cloquintocetmexyl, are mended with dimethyl carbonate
Foot, mixer is opened, after stirring, filtering, produced.
7. the application of the clodinafop-propargyl missible oil of any described high-efficiency environment friendlies of claim 1-5, it is characterised in that applied to preventing and treating standing grain
Undergraduate course weeds.
8. the application of the clodinafop-propargyl missible oil of high-efficiency environment friendly according to claim 7, it is characterised in that the grassy weed
For amur foxtail, tall oat grass, rye grass, green bristlegrass.
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Cited By (2)
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| CN112438270A (en) * | 2020-12-18 | 2021-03-05 | 浙江天丰生物科学有限公司 | Metamifop emulsifiable concentrate and preparation method thereof |
| AU2021106962B4 (en) * | 2021-07-15 | 2022-06-30 | Adama Australia Pty Limited | Highly Loaded Clodinafop Formulation |
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| CN112438270A (en) * | 2020-12-18 | 2021-03-05 | 浙江天丰生物科学有限公司 | Metamifop emulsifiable concentrate and preparation method thereof |
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| AU2021106962B4 (en) * | 2021-07-15 | 2022-06-30 | Adama Australia Pty Limited | Highly Loaded Clodinafop Formulation |
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