CN111869663A - Synergistic low-foam type triflumuron water agent auxiliary agent and preparation process thereof - Google Patents
Synergistic low-foam type triflumuron water agent auxiliary agent and preparation process thereof Download PDFInfo
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- CN111869663A CN111869663A CN202010844047.1A CN202010844047A CN111869663A CN 111869663 A CN111869663 A CN 111869663A CN 202010844047 A CN202010844047 A CN 202010844047A CN 111869663 A CN111869663 A CN 111869663A
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- triflumuron
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/44—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
- A01N37/48—Nitro-carboxylic acids; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/88—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms six-membered rings with three ring hetero atoms
Abstract
The invention provides a synergistic low-foam type triflumuron water agent auxiliary agent, which comprises the following components in parts by weight: 20-50:5-10:1-10:5-10: 0.5-5: 0.1-0.5. The invention has the beneficial effects that: the invention can ensure that the pesticide aqueous solution really achieves the aims of heat resistance, cold resistance, biodegradability, high quality, high efficiency, environmental protection.
Description
Technical Field
The invention relates to the field of pesticides, and particularly relates to a synergistic low-foam triflumuron water agent auxiliary agent and a preparation process thereof.
Background
The herbicide industry in China develops gradually from inexistence to big, and a complete industrial system is formed. In more than 60 years, the herbicide industry in China has gone through a process from introduction to introduction, and from imitation to creation. According to statistics, nearly 200 herbicide varieties (effective components) registered by Ministry of agriculture are obtained in sequence since pesticide registration is carried out in China in 1982, more than 300 mixed pesticide combinations are obtained, and more than 1500 raw pesticide products and preparation products are obtained. The selective herbicide and the biocidal herbicide are classified into 2 types according to the toxic and insecticidal range. The biocidal herbicides include glyphosate (series), phosphinothricin, glufosinate-ammonium, bialaphos, paraquat, diquat, sulfometuron-methyl, sodium pentachlorophenate, etc., and the yield and the sales are very large although the number of varieties is small, for example, glyphosate is the largest herbicide sold worldwide.
In recent years, the herbicide is frequently used in a large area, brings convenience to crop production, and simultaneously has the problem of drug resistance of weeds. Statistically, more than 200 weeds are resistant to herbicides in the world. The reason why the problem of drug resistance of weeds is getting worse is that sensitive individuals in a weed population are killed continuously by using a single selective herbicide or different herbicides with the same action mechanism continuously for many years in the same area, resistant individuals with strong resistance and adaptability are retained and generate seeds continuously, and resistant individuals in the population are increased continuously, so that the drug resistant biotypes in the population gradually become the main body every year. When the weed resistance is enhanced, the dosage has to be increased in order to ensure the drug effect, so that the drug cost of farmers is increased, the environmental pollution is increased, and the safety of crops is influenced.
The results of a large amount of herbicide applied in fields show that many current herbicide products have poor use effects, more than 30-40% of the herbicide cannot play due roles after being sprayed in fields, and the inactive pesticide is lost and volatilized, thereby polluting the atmosphere, soil, water quality and even the whole ecological environment. In order to solve this problem, the addition of an auxiliary is currently the main solution.
The common auxiliary agents comprise a surfactant, a spreading penetrant, a defoaming agent, a water quality regulator and the like, and the herbicide auxiliary agents generally do not have weed control activity, but can play an important role in the links of fog drop dispersion, adhesion, spreading, deposition, penetration, conduction and the like to promote the herbicide to play higher activity.
In view of the above reasons, it is a necessary work to develop a novel synergistic low-foam pesticide aqueous solution adjuvant, and the present patent is based on the above background, and develops a novel synergistic low-foam pesticide aqueous solution adjuvant for use with a triflumeuron pesticide aqueous solution.
Disclosure of Invention
The invention overcomes the defects in the prior art and provides a synergistic low-foam triflumuron water agent auxiliary agent and a preparation method thereof.
The purpose of the invention is realized by the following technical scheme.
A synergistic low-foam triflumuron water aqua assistant comprises sodium fatty alcohol-polyoxyethylene ether sulfate, sodium lauroyl sarcosine, cocamidopropyl amine oxide, alkyl glycoside, vinyl-terminated synergistic ether and n-octyl sodium sulfate.
Further, the weight ratio of the sodium fatty alcohol-polyoxyethylene ether sulfate, the sodium lauroyl sarcosinate, the cocamidopropyl amine oxide, the alkyl glycoside, the vinyl-terminated synergistic ether and the n-octyl sodium sulfate is as follows: 20-50:5-10:1-10:5-10: 0.5-5: 0.1-0.5.
The synergistic low-foam triflumuron water aqua assistant comprises the following components:
a preparation process of a synergistic low-foam triflumuron water agent additive comprises the following steps:
firstly, mixing alkyl glycoside, fatty alcohol-polyoxyethylene ether sodium sulfate, n-octyl sodium sulfate and water, and stirring for 15-20 minutes at 20-60 ℃ until the mixture is uniform to obtain a mixture;
and secondly, adding sodium lauroyl sarcosinate and cocamidopropylamine oxide into the mixture obtained in the first step, stirring and dissolving, adding vinyl-terminated synergistic ether, and stirring for 20 minutes at the speed of 150-200 rpm to obtain the synergistic low-foam type triflumuron pesticide aqueous agent synergistic additive.
The invention has the beneficial effects that:
1. the synergistic low-foam type triflumuron pesticide aqueous agent auxiliary agent has strong universality. The herbicide composition can be added into herbicide to improve the weeding effect, and can also be added into insecticide and bactericide to improve the insecticidal and bactericidal effects. The permeable pesticide aqueous solution synergist is environment-friendly, free of agglomeration, convenient to use, simple in process and suitable for industrial production;
2. the invention has excellent heat resistance and chemical stability, high surface activity and less dosage, and can obviously improve the wetting and permeability of the medium;
3. the pesticide aqueous solution prepared by adding the auxiliary agent has low foamability, and after being diluted by 200 times, the foamability is less than 20 mL;
4. the invention can ensure that the pesticide aqueous solution really achieves the aims of heat resistance, cold resistance, biodegradability, high quality, high efficiency, environmental protection.
Detailed Description
In order to better understand the essence of the present invention, the following detailed description is made with reference to the examples, which are not intended to limit the present invention, but are merely illustrative, and modifications, substitutions or improvements can be made without departing from the spirit and principle of the present invention.
The sodium fatty alcohol polyoxyethylene ether sulfate is an anionic-nonionic composite surfactant, and the water solubility of the sodium fatty alcohol polyoxyethylene ether sulfate is further enhanced due to the fact that the sodium fatty alcohol polyoxyethylene ether sulfate has a polyoxyethylene chain with strong hydrophilicity. Sodium lauroyl sarcosinate is a novel amino acid type anionic surfactant, can be matched with other anionic surfactants and nonionic surfactants, and enhances various functions of the surfactant. Can raise the cloud point of non-ionic surfactant and has low toxicity, antibacterial property and biodegradability. Cocamidopropylamine oxide is an amphoteric surfactant, is easily soluble in water and polar organic solvents, and an aqueous solution is cationic under acidic conditions and nonionic under basic conditions. Has good thickening, antistatic, softening, foam increasing and stabilizing performances. The vinyl-terminated synergistic ether is a surfactant, the CMC (critical micelle concentration) of the surfactant is 0.026g/L, the HLB value of the surfactant is 13.37, the surfactant can effectively reduce the surface tension of an aqueous solution, and the surfactant has good hydrolytic stability. The invention is used as an auxiliary agent in the pesticide aqueous solution, can effectively improve the permeability of the pesticide aqueous solution and improve the drug effect of the product.
Example 1:
taking the following materials by weight: mixing 5% of alkyl glycoside, 5% of sodium lauroyl sarcosinate and 5% of cocamidopropyl betaine, adding the mixture into a reaction kettle, uniformly stirring, adding water, heating to 60 ℃, continuously stirring for 15-30 minutes, adding 25% of fatty alcohol-polyoxyethylene ether sodium sulfate, 2% of vinyl-terminated synergistic ether and 0.1% of n-octyl sodium sulfate into the product, stirring for 20-40 minutes at 60 ℃, then supplementing deionized water, and uniformly stirring to obtain the synergistic low-foam triflumuron water agent additive.
And (3) carrying out viscosity measurement on the prepared synergistic low-foam type triflumuron water aqua auxiliary agent:
the instrument comprises the following steps: model NDJ-79 rotary viscometer
And (3) testing temperature: room temperature;
a rotor: rotor No. 1, rotation speed: 12 revolutions per minute;
the viscosity of the synergist special for the pesticide aqueous solution is 205mPa.s measured by using a rotary viscometer.
Surface tension measurement:
the instrument comprises the following steps: contact angle/surface interface tension tester
And (3) testing temperature: room temperature-45 deg.C
The measuring method comprises the following steps: platinum ring method
The surface tension of the triflumuron water aqua additive is measured to be 19.2mN/m by using a contact angle/surface interfacial tension tester.
And (3) pH value measurement:
weighing 1.0g of synergistic low-foam type triflumuron water aqua auxiliary agent product, putting the synergistic low-foam type triflumuron water aqua auxiliary agent product into a beaker, adding deionized water to 100g, uniformly stirring, and measuring the pH value by using a pH meter to obtain that the pH value of the broad-spectrum type pesticide aqua special synergist is 5.65.
Measurement of foaming Property: 200g of standard hard water is weighed by using a 250mL volumetric flask, 1g of synergistic low-foam triflumuron water aqua auxiliary product is added, the mixture is turned upside down for 30 times, the mixture is placed on a horizontal desktop, the foam height is observed after standing for 1 minute, and the foam height of the auxiliary is measured to be 20 mL.
Example 2:
taking the following materials by weight: mixing 7% of alkyl glycoside, 10% of sodium lauroyl sarcosinate and 6% of cocamidopropyl betaine, adding the mixture into a reaction kettle, uniformly stirring, adding water, heating to 60 ℃, continuously stirring for 15-30 minutes, adding the weighed 30% of fatty alcohol-polyoxyethylene ether sodium sulfate, 3% of vinyl-terminated synergistic ether and 0.1% of n-octyl sodium sulfate into the product, stirring for 20-40 minutes at 60 ℃, then supplementing deionized water, and uniformly stirring to obtain the synergistic low-foam triflumuron water agent additive.
According to the test method of the embodiment 1, the pH value of the synergistic low-foam type triflumuron water additive prepared by the formula is 5.8, the viscosity is 235mPa.s, the surface tension is 17.8mN/m, and the foaming is 20 mL.
Example 3:
taking the following materials by weight: mixing and adding 10% of alkyl glycoside, 10% of sodium lauroyl sarcosinate and 8% of cocamidopropyl betaine which are measured into a reaction kettle, adding water after uniformly stirring, heating to 60 ℃, continuously stirring for 15-30 minutes, adding 35% of fatty alcohol-polyoxyethylene ether sodium sulfate, 4% of vinyl-terminated synergistic ether and 0.2% of n-octyl sodium sulfate which are weighed into the product, stirring for 20-40 minutes at 60 ℃, then complementing deionized water, and uniformly stirring to obtain the synergistic low-foam triflumuron water agent additive.
According to the test method of the embodiment 1, the pH value of the synergistic low-foam type triflumuron water additive prepared by the formula is 5.85, the viscosity is 285mPa.s, the surface tension is 16.5mN/m, and the foaming is 20 mL.
Example 4:
the synergistic low-foam type triflumuron water aqua additive prepared in the example 1 is respectively added into acifluorfen and a bentazone water aqua, and the mixture is stirred and sheared into the 10% + 40% triflumuron water aqua.
Example 5:
the synergistic low-foam type triflumuron water aqua auxiliary agent prepared in the example 2 is respectively added into acifluorfen and a bentazone aqua, and the mixture is stirred and sheared into the triflumuron water aqua with the concentration of 8% + 35%.
Example 6:
the synergistic low-foam type triflumuron water aqua additive prepared in the embodiment 3 is respectively added into acifluorfen and a bentazone water aqua, and the mixture is stirred and sheared into the triflumuron water aqua with the concentration of 8% + 32%.
And (3) field efficacy test:
reagent to be tested: the 3 compound herbicides of examples 4-6.
Control agents: 440g/L triflumuron water agent (sold in market).
Test work: the soybean seedlings have 3-6 leaf stage, good growth vigor, strong plants and no other plant diseases and insect pests.
Control target: and the dominant weeds in soybean fields such as cockspur grass, green bristlegrass, dayflower, piemarker, reversed branch and the like.
Test area: 9m2(ii) a The dosage of the preparation is as follows: 200 ml/mu; dilution times are as follows: diluting 200 times.
The test conditions are as follows:
temperature: 25-31 ℃; weather: clear; the application time is as follows: 12:00 to 14:00 in the afternoon; ensure no rain within 8 hours after application.
The control object is: abutilon, Chenopodium quinoa, Cyperaceae weeds; test area: 9m2(ii) a The dosage of the preparation is as follows: 350 ml/mu;
dilution times are as follows: diluting by 200 times;
the test method comprises the following steps: various medicaments are accurately weighed according to the area of a test cell, diluted by water and uniformly sprayed by a knapsack sprayer, and a special fan-shaped sprayer for herbicides is selected as the sprayer. When spraying, the liquid medicine is required to be uniformly sprayed into a test cell, and the phenomena of missing spraying and excessive spraying are avoided. Weed death was observed at 20d, 40d post-application after the test, respectively, and herbicidal activity of various agents was compared, as shown in tables 1, 2:
TABLE 1 field test results of efficacy (post-dose 20d)
TABLE 2 field efficacy test results (post-drug 40d)
Conclusion of the experiment
1. Under the same conditions, the weeding efficiency of the same preparation added with the auxiliary agent is obviously higher than that of the agent without the auxiliary agent.
2. The drug effect test 20 days and 40 days after the drug application shows that: the addition agent of the invention is added into the triflumuron water aqua, which can effectively improve the weeding ability of the agent and effectively prevent the green turning of weeds.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (4)
1. The synergistic low-foam type triflumuron water aqua additive is characterized in that: comprises sodium fatty alcohol-polyoxyethylene ether sulfate, sodium lauroyl sarcosine, cocamidopropyl amine oxide, alkyl glycoside, vinyl-terminated synergistic ether and n-octyl sodium sulfate.
2. The synergistic low-foam triflumuron water additive as claimed in claim 1, wherein: the weight ratio of the sodium fatty alcohol-polyoxyethylene ether sulfate, the sodium lauroyl sarcosine, the cocamidopropyl amine oxide, the alkyl glycoside, the vinyl-terminated synergistic ether and the n-octyl sodium sulfate is as follows: 20-50:5-10:1-10:5-10: 0.5-5: 0.1-0.5.
3. The synergistic low-foam type triflumuron water aqua additive is characterized in that: comprises the following components:
4. the process for preparing the synergistic low-foam triflumuron water additive as claimed in any of claims 1 to 3, which is characterized in that: the method comprises the following steps:
firstly, mixing alkyl glycoside, fatty alcohol-polyoxyethylene ether sodium sulfate, n-octyl sodium sulfate and water, and stirring for 15-20 minutes at 20-60 ℃ until the mixture is uniform to obtain a mixture;
and secondly, adding sodium lauroyl sarcosinate and cocamidopropylamine oxide into the mixture obtained in the first step, stirring and dissolving, adding vinyl-terminated synergistic ether, and stirring for 20 minutes at the speed of 150-200 rpm to obtain the synergistic low-foam type triflumuron pesticide aqueous agent synergistic additive.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114557340A (en) * | 2022-03-15 | 2022-05-31 | 浙江新安化工集团股份有限公司 | Low-foam anti-crystallization pesticide aqueous solution and preparation process thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103210915A (en) * | 2013-04-28 | 2013-07-24 | 范强 | Agricultural thickening synergist and application thereof |
| CN108402040A (en) * | 2018-04-12 | 2018-08-17 | 南京科翼新材料有限公司 | A kind of auxiliary agent suitable for glufosinate-ammonium sylvine aqua |
| CN111466371A (en) * | 2020-04-13 | 2020-07-31 | 南京拓呗新材料科技有限公司 | Special synergist for permeable pesticide aqueous solution and preparation method thereof |
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- 2020-08-20 CN CN202010844047.1A patent/CN111869663A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103210915A (en) * | 2013-04-28 | 2013-07-24 | 范强 | Agricultural thickening synergist and application thereof |
| CN108402040A (en) * | 2018-04-12 | 2018-08-17 | 南京科翼新材料有限公司 | A kind of auxiliary agent suitable for glufosinate-ammonium sylvine aqua |
| CN111466371A (en) * | 2020-04-13 | 2020-07-31 | 南京拓呗新材料科技有限公司 | Special synergist for permeable pesticide aqueous solution and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114557340A (en) * | 2022-03-15 | 2022-05-31 | 浙江新安化工集团股份有限公司 | Low-foam anti-crystallization pesticide aqueous solution and preparation process thereof |
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