CN107593693B - Different monooctyl ester missible oil of fluroxypyr of high-efficiency environment friendly and its preparation method and application - Google Patents
Different monooctyl ester missible oil of fluroxypyr of high-efficiency environment friendly and its preparation method and application Download PDFInfo
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- CN107593693B CN107593693B CN201710952999.3A CN201710952999A CN107593693B CN 107593693 B CN107593693 B CN 107593693B CN 201710952999 A CN201710952999 A CN 201710952999A CN 107593693 B CN107593693 B CN 107593693B
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Abstract
The present invention discloses a kind of different monooctyl ester missible oil of the fluroxypyr of high-efficiency environment friendly and its preparation method and application, belongs to formulations of pesticide field.The different monooctyl ester missible oil of fluroxypyr of the high-efficiency environment friendly, it is composed of the following components：Different 250 400g/L of monooctyl ester of fluroxypyr, 50 150g/L of compound emulsifying agent, 10 50g/L of cosolvent and solvent；The compound emulsifying agent is made of aryl phenol polyoxyethylene ether phosphate with sorbitan trioleate, and the weight ratio of the aryl phenol polyoxyethylene ether phosphate and sorbitan trioleate is 1:1‑5.The present invention is used to prevent the broad leaved weed in wheat, barley, corn, grape, orchard, lawn, and 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 a kind of different monooctyl ester missible oil of the fluroxypyr of high-efficiency environment friendly and
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, medicine company
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.
The octanol of the different monooctyl ester of fluroxypyr is 6140 with water partition coefficient:1, in the solubility higher of organic phase,
In chloroform and dichloromethane solubility can be more than 50%, belong to inner sucting conduction type seedling after cauline leaf process herbicide, after dispenser quickly by
Weeds absorb, and so that sensitive plant the reaction of classical hormones class herbicide is occurred and are transmitted to each position of complete stool, make plant deformity, turn round
Song, it is last dead.Broad leaved weed is prevented and kill off suitable for wheat, barley, corn, grape, orchard, pasture, forest land, lawn and other places；Such as
Clearvers, volume stem smartweed, purslane, black nightshade, field bindweed, knotweed, amaranth etc., it is invalid to grassy weed.
Invention content
The technical problem to be solved in the present invention is to provide a kind of components system is reasonable, the chlorine fluorine pyrrole of small high-efficiency environment friendly is polluted
Different monooctyl ester missible oil of fluoroacetic acid and its preparation method 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 different monooctyl ester missible oil of the fluroxypyr of high-efficiency environment friendly is provided, it is composed of the following components：Chlorine fluorine pyrrole
The different monooctyl ester 250-400g/L of fluoroacetic acid, compound emulsifying agent 50-150g/L, cosolvent 10-50g/L and solvent；
The compound emulsifying agent is made of aryl phenol polyoxyethylene ether phosphate with sorbitan trioleate, the virtue
The weight ratio of base phenol polyethenoxy ether phosphate and sorbitan trioleate is 1:1-5.
Further, the different monooctyl ester missible oil of the fluroxypyr of the high-efficiency environment friendly, it is composed of the following components：Chlorine fluorine pyrrole oxygen
2-ethyl hexyl ethanoate 360g/L, compound emulsifying agent 100-150g/L, cosolvent 10-50g/L and solvent.
Further, the different monooctyl ester missible oil of the fluroxypyr of the high-efficiency environment friendly, it is composed of the following components：Chlorine fluorine pyrrole
The different monooctyl ester 288g/L of fluoroacetic acid, compound emulsifying agent 100-150g/L, cosolvent 10-50g/L and solvent.
Further, the cosolvent is spectrasolv DMDA, and as a kind of solubilizer, increasing pesticide original medicine is having
Stability in 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 the different monooctyl ester missible oil of the fluroxypyr of above-mentioned high-efficiency environment friendly,
Including：By the different monooctyl ester of fluroxypyr, the N after metering, stirring in compounding kettle is added in N- dimethyldecamides, dimethyl carbonate
It makes it dissolve, adds aryl phenol polyoxyethylene ether phosphate, sorbitan trioleate, supplied with dimethyl carbonate, opened
Open blender, after stirring evenly, filtering to get.
In another aspect, the present invention also provides the different monooctyl ester missible oil of the fluroxypyr of above-mentioned high-efficiency environment friendly be applied to prevent it is wealthy
Leaf weeds.
Further, the broad leaved weed is clearvers, volume stem smartweed, purslane, black nightshade, field bindweed, knotweed, amaranth.
The invention has the advantages that：
1. present invention optimizes emulsifier component agent proportioning, the emulsifier that active compound can be made to have excellent performance is filtered out；The present invention
Used compound emulsifying agent can pass through steric hindrance, lipophile carbochain and anchoring group and electrostatic repulsion and the chlorine fluorine in solvent
The different monooctyl ester phase separation of pyrrole fluoroacetic acid makes 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 different monooctyl ester missible oil of the fluroxypyr of high-efficiency environment friendly and its preparation method and application.
1, specific embodiment
Embodiment 1
The different monooctyl ester missible oil of fluroxypyr of high-efficiency environment friendly, it is composed of the following components：The different monooctyl ester of fluroxypyr
250g/L, aryl phenol polyoxyethylene ether phosphate 25g/L, sorbitan trioleate 50g/L, N, N- dimethyldecamides
20g/L, solvent are dimethyl carbonate.
Preparation method is to include：By the different monooctyl ester of fluroxypyr, the N after metering, N- dimethyldecamides, carbonic acid diformazan
Ester is added in compounding kettle and stirs to dissolve, and adds aryl phenol polyoxyethylene ether phosphate, sorbitan trioleate, uses
Dimethyl carbonate is supplied, open blender, after stirring evenly, filtering, after quality inspection qualification to get.
Embodiment 2
The different monooctyl ester missible oil of fluroxypyr of high-efficiency environment friendly, it is composed of the following components：The different monooctyl ester of fluroxypyr
400g/L, aryl phenol polyoxyethylene ether phosphate 75g/L, sorbitan trioleate 75g/L, N, N- dimethyldecamides
50g/L, solvent are dimethyl carbonate.
Preparation method：It is same as Example 1.
Embodiment 3
The different monooctyl ester missible oil of fluroxypyr of high-efficiency environment friendly, it is composed of the following components：The different monooctyl ester of fluroxypyr
360g/L, aryl phenol polyoxyethylene ether phosphate 30g/L, sorbitan trioleate 120g/L, N, N- dimethyldecamides
30g/L, solvent are dimethyl carbonate.
Preparation method：It is same as Example 1.
Embodiment 4
The different monooctyl ester missible oil of fluroxypyr of high-efficiency environment friendly, it is composed of the following components：The different monooctyl ester of fluroxypyr
288g/L, aryl phenol polyoxyethylene ether phosphate 40g/L, sorbitan trioleate 90g/L, N, N- dimethyldecamides
40g/L, solvent are dimethyl carbonate.
Preparation method：It is same as Example 1.
Since length is limited, advantageous effect in order to further illustrate the present invention, only with the fluroxypyr of embodiment 4
Relevant comparative example is set for different monooctyl ester missible oil.
Comparative example 1
The different monooctyl ester missible oil of fluroxypyr, is grouped as by below group：The different monooctyl ester 288g/L of fluroxypyr, dehydration
Sorbitol olein 90g/L, N, N- dimethyldecamides 40g/L, solvent are dimethyl carbonate.
Comparative example 2
The different monooctyl ester missible oil of fluroxypyr, is grouped as by below group：The different monooctyl ester 288g/L of fluroxypyr, aryl
Phenol polyethenoxy ether phosphate 40g/L, N, N- dimethyldecamides 40g/L, solvent are dimethyl carbonate.
Comparative example 3
The different monooctyl ester missible oil of fluroxypyr, it is composed of the following components：Fluroxypyr different monooctyl ester 288g/L, N, N- bis-
Methyl decyl amide 40g/L, solvent are dimethyl carbonate.
Comparative example 4
The different monooctyl ester missible oil of fluroxypyr, it is composed of the following components：The different monooctyl ester 288g/L of fluroxypyr, aryl phenol
Polyoxyethylene ether phosphate 40g/L, sorbitan trioleate 90g/L, solvent are dimethyl carbonate.
Comparative example 5
The different monooctyl ester missible oil of fluroxypyr, it is composed of the following components：The different monooctyl ester 288g/L of fluroxypyr, aryl phenol
Polyoxyethylene ether phosphate 40g/L, sorbitan trioleate 90g/L, solvent are dimethylbenzene.
2, the main performance index test of the different monooctyl ester missible oil of fluroxypyr
The main performance index for measuring the different monooctyl ester missible oil of fluroxypyr of above-described embodiment 1-4 and comparative example 1-5 is surveyed
Examination, 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 different monooctyl ester missible oil of the fluroxypyr of embodiment 1-4 and comparative example 1-5；
Control object：Clearvers, black nightshade.
Test method：It tests 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 are dead after statistics administration
Die situation, 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 2 present invention of table
Field experiment the result shows that, missible oil of the invention is preferable to the control effect of weeds, the chlorine fluorine pyrrole oxygen of embodiment 1-4
2-ethyl hexyl ethanoate missible oil is significantly better than comparative example 1-5 to the control effect of clearvers, black nightshade.
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. a kind of different monooctyl ester missible oil of fluroxypyr, which is characterized in that composed of the following components：The different monooctyl ester of fluroxypyr
250-400g/L, compound emulsifying agent 50-150g/L, cosolvent 10-50g/L and solvent；
The compound emulsifying agent is made of aryl phenol polyoxyethylene ether phosphate with sorbitan trioleate, the aryl phenol
The weight ratio of polyoxyethylene ether phosphate and sorbitan trioleate is 1:1-5；
The cosolvent is N, N- dimethyldecamides；And
The solvent is dimethyl carbonate.
2. the different monooctyl ester missible oil of fluroxypyr according to claim 1, which is characterized in that composed of the following components：Chlorine
The different monooctyl ester 360g/L of fluorine pyrrole fluoroacetic acid, compound emulsifying agent 100-150g/L, cosolvent 10-50g/L and solvent.
3. the different monooctyl ester missible oil of fluroxypyr according to claim 1, which is characterized in that composed of the following components：Chlorine
The different monooctyl ester 288g/L of fluorine pyrrole fluoroacetic acid, compound emulsifying agent 100-150g/L, cosolvent 10-50g/L and solvent.
4. the preparation method of any different monooctyl ester missible oil of fluroxypyr of claim 1-3, which is characterized in that including：
By the different monooctyl ester of fluroxypyr, the N after metering, stirring in compounding kettle, which is added, in N- dimethyldecamides, dimethyl carbonate makes it
Dissolving, adds aryl phenol polyoxyethylene ether phosphate, sorbitan trioleate, is supplied with dimethyl carbonate, unlatching is stirred
Mix machine, after stirring evenly, filtering to get.
5. the application of the different monooctyl ester missible oil of fluroxypyr of any high-efficiency environment friendlies of claim 1-3, which is characterized in that
Applied to prevention broad leaved weed.
6. the application of the different monooctyl ester missible oil of fluroxypyr according to claim 5, which is characterized in that the broad leaved weed
For clearvers, purslane, black nightshade, field bindweed, knotweed, amaranth.
7. the application of the different monooctyl ester missible oil of fluroxypyr according to claim 5, which is characterized in that the broad leaved weed
For volume stem smartweed.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102077826A (en) * | 2009-11-27 | 2011-06-01 | 上海万金助剂有限公司 | Isoprothiolane emulsion in water and preparation method thereof |
| CN102186339A (en) * | 2008-10-29 | 2011-09-14 | 陶氏益农公司 | Stable emulsifiable concentrates containing a first herbicidal carboxylic acid salt and a second herbicidal carboxylic acid ester |
| CN106538544A (en) * | 2016-09-23 | 2017-03-29 | 四川利尔作物科学有限公司 | Wheat field weeding composition and its application |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102186339A (en) * | 2008-10-29 | 2011-09-14 | 陶氏益农公司 | Stable emulsifiable concentrates containing a first herbicidal carboxylic acid salt and a second herbicidal carboxylic acid ester |
| CN102077826A (en) * | 2009-11-27 | 2011-06-01 | 上海万金助剂有限公司 | Isoprothiolane emulsion in water and preparation method thereof |
| CN106538544A (en) * | 2016-09-23 | 2017-03-29 | 四川利尔作物科学有限公司 | Wheat field weeding composition and its application |
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Address after: 621000 South Section of Mianzhou Avenue, Mianyang City, Sichuan Province, 329 Patentee after: SICHUAN LIER CROP SCIENCES Co.,Ltd. Address before: 621000 No.77 Shuangyong Road, Fenggu Town, Fucheng District, Mianyang City, Sichuan Province Patentee before: SICHUAN LIER CROP SCIENCES Co.,Ltd. |