CN112471170B - Glyphosate isopropylamine salt aqueous solution auxiliary agent - Google Patents
Glyphosate isopropylamine salt aqueous solution auxiliary agent Download PDFInfo
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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
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
- A01N57/20—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing acyclic or cycloaliphatic radicals
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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
- A01N25/02—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
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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
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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
- A01N27/00—Biocides, pest repellants or attractants, or plant growth regulators containing hydrocarbons
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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
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
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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
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/36—Rutaceae [Rue family], e.g. lime, orange, lemon, corktree or pricklyash
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Abstract
The invention provides a novel glyphosate isopropylamine salt aqueous solution additive which is used for improving the wettability, the ductility, the permeability and the like of a glyphosate aqueous solution and increasing the utilization rate of glyphosate. The specific formula comprises 50-70% of tallow amine polyoxyethylene ether, 15-30% of glyphosate synergist, 15-20% of polyethylene glycol, 2-4% of ethylene glycol and the balance of soft water. The glyphosate synergist comprises the following components: 70% -80% of alcohol ether glycoside; 15% -30% of orange peel essential oil; 0.2 to 2 percent of ethoxyl modified polytrisiloxane. The auxiliary agent is used for producing glyphosate isopropylamine salt water aqua, and the other auxiliary agent with the main component of tallow amine polyoxyethylene ether is used as contrast. The glyphosate isopropylamine salt with the mass fraction of 40-50% and the auxiliary agent provided by the invention are mixed according to the mass ratio of 8-9: 1-2, obtaining glyphosate isopropylamine salt aqueous solution, and performing a weed control test on the aqueous solution in a non-cultivated land, wherein the leaves of the weeds begin to yellow in 3 days, most of the leaves of the weeds turn yellow in 5 days, all the weeds die in 14 days, and no green turning exists in 30 days, while the leaves of the weeds begin to yellow in 5 days and most of the weeds die in 14 days in a control group.
Description
Technical Field
The invention discloses a novel glyphosate isopropylamine salt aqueous solution auxiliary agent, belongs to the field of herbicides, and particularly has a good synergistic effect on glyphosate.
Background
Glyphosate is a biocidal organophosphorus herbicide, mainly relying on a key enzyme acting in the synthesis process of aromatic amino acid: 5-enolpyruvyl-shikimate-3 phosphate synthase to inhibit the synthesis of aromatic amino acids and ultimately cause plant death. In addition, the glyphosate belongs to a transportation type stem and leaf treating agent, is easily absorbed by plant leaves, is quickly transported to other parts of plants through a symplast and then plays a role, so the glyphosate generally has a killing effect after contacting green tissues. After being absorbed by stems and leaves, the glyphosate can be transferred to underground roots after 24 hours, and the glyphosate can be combined with metal ions such as iron, aluminum and the like to lose activity after entering the soil, so that the influence on the soil environment is small. At present, the herbicide is widely applied to control annual and perennial weeds, weeding in orchards, sugarcanes and tropical cash crop fields, weeding before sowing in corn fields, cotton fields, paddy fields and the like, and the like.
The glyphosate pure product is colorless crystal, has melting point of 200 ℃, has solubility in water of 12g/L (25 ℃), is insoluble in common organic solvent, is easy to dissolve in water after being prepared into sodium salt or ammonium salt, and is prepared into sodium salt, isopropylamine salt or dimethylamine salt. Some surfactants are added in the preparation production to promote the absorption of the plant leaves, and the surfactants influence the drug effect of the plant leaves by changing the surface tension, contact angle, wetting force and the like of the liquid medicine.
Disclosure of Invention
The invention aims to provide a novel glyphosate isopropylamine aqueous solution additive, which reduces the surface tension and the contact angle of a liquid medicine and improves the wetting capacity of the liquid medicine, so that glyphosate plays a greater role in weeding. The preparation method comprises the following steps of taking tallow amine polyoxyethylene ether, ethylene glycol, polyethylene glycol, alcohol ether glucoside, orange peel essential oil and ethoxy modified polytrisiloxane as raw materials, uniformly mixing at normal temperature, and adding a proper amount of soft water to supplement the balance. The process focuses on the sequence of proportion blending and mixing of the components.
A novel glyphosate isopropylamine aqueous solution auxiliary agent comprises the following raw materials in percentage by mass: 50% -70% of tallow amine polyoxyethylene ether; 10% -25% of alcohol ether glucoside; 2-10% of orange peel essential oil; 0.02 to 0.6 percent of ethoxyl modified polytrisiloxane; 10% -20% of polyethylene glycol; 2% -4% of ethylene glycol; the balance being soft water.
The preferable scheme comprises the following raw materials in percentage by mass: 50% of tallow amine polyoxyethylene ether; 21% of alcohol ether glucoside; 8.7% of orange peel essential oil; 0.3 percent of ethoxyl modified polytrisiloxane; 15% of polyethylene glycol; 3% of ethylene glycol; 2 percent of soft water.
The glyphosate isopropylamine salt aqueous solution prepared by the glyphosate isopropylamine salt aqueous solution additive is prepared by mixing the raw materials of the additive according to a proportion, stirring for 30-60min at normal temperature, and mixing the mixture with 40-50% of glyphosate isopropylamine salt according to a mass ratio of 1-2: 8-9, and obtaining the glyphosate isopropylamine salt aqua.
Tallow amine, also known as tallow amine polyoxyethylene ether, tallow alkylamine ethoxylate, etc., belongs to nonionic surfactant, low EO number product, has poor compatibility with anionic surfactant, acid resistance, alkali resistance, excellent emulsifying, dispersing, solubilizing, lubricating and other capabilities and certain bactericidal capability, but has strong irritation.
Polyethylene glycol, which is otherwise known as an alpha-hydro-omega-hydroxy (oxy-1, 2-ethanediyl) polymer, and the like, is non-toxic, non-irritating, has good water solubility, and has good compatibility with a plurality of organic matter components. Has excellent lubricity, moisture retention, dispersibility, adhesiveness and the like, and is widely applied to industries such as cosmetics, pharmacy, chemical fiber, paint, electroplating, pesticides, metal processing, food processing and the like. Polyethylene glycol is obtained by polymerizing liquid ethylene glycol at high temperature and high pressure or low pressure, and is classified into PEG-200, PEG-400, PEG-600, PEG-1000 and the like according to molecular weight, wherein PEG-400 is liquid, has wide compatibility with various solvents, is a good solvent and solubilizer, and is widely used in liquid preparations such as oral liquid, eye drops and the like.
Ethylene glycol, also known as ethylene glycol, 1, 2-ethylene glycol, abbreviated as EG. The product is colorless, odorless, sweet liquid, toxic to animals, and lethal to human at a dose of about 1.6 g/kg. Glycol can be mutually soluble with water and acetone, but has low solubility in ethers, and can be used as solvent, antifreeze and raw material for synthesizing terylene.
The alcohol ether glucoside is an improved substitute of non-ionic surfactants such as alkyl glucoside, fatty alcohol ether and the like, has excellent compounding performance and performances such as viscosity increasing, solubilization, emulsification and the like, resists hard water, is non-toxic and non-irritant, and has better permeability and cost performance than the alkyl glucoside.
The orange peel essential oil is an aromatic mixture extracted from orange peels or orange peels and shaddock peels by adopting an extraction method, belongs to a pure natural plant organic solvent, and mainly contains D-limonene. The pesticide synergist has the main effects of dissolving the wax layer and reducing the surface tension of the liquid, is a good pesticide synergist and helps pesticides to quickly enter plant bodies.
The ethoxy modified polytrisiloxane is a polymer which takes a repeated Si-O bond as a main chain and is directly connected with an organic group on a silicon atom, belongs to one of agricultural organic silicon, can help a pesticide to reduce the surface tension of plant leaves, enhance the wetting and adhering capability of the pesticide on the surface of a plant, improve the adhesion and permeability of a liquid medicine, and can help the pesticide to quickly exert the pesticide effect especially on crops with thicker leaf wax layers.
According to the characteristics of the compounds, the alcohol ether glycoside, the orange peel essential oil and the ethoxy modified polytrisiloxane are all good pesticide synergists, and the alcohol ether glycoside, the orange peel essential oil and the ethoxy modified polytrisiloxane are mixed according to a certain proportion, so that the cost is saved and the synergistic effect is kept. The tallow amine has certain emulsification, dispersion and solubilization functions, has good sterilization function, has higher wetting capacity after being mixed with solubilizers such as polyethylene glycol and ethylene glycol, can reduce the surface tension of a solution by adding a certain proportion of synergist, accelerates the transportation of pesticide in plants, and increases the pesticide utilization rate. The glyphosate isopropylamine salt aqueous solution adjuvant is added into glyphosate isopropylamine salt aqueous solution according to a certain proportion, after the glyphosate isopropylamine salt aqueous solution adjuvant is diluted according to the concentration of drug application, the surface tension of a liquid medicine can be reduced to about 35mN/m, a contact angle is reduced to about 30 degrees, the wetting power of the liquid medicine is measured by a cotton cloth piece immersion method, the time for wetting the cotton cloth piece by the liquid medicine added with the adjuvant is greatly shortened compared with a control group without the adjuvant, and the wetting power of the liquid medicine added with the adjuvant is enhanced. Compared with the other auxiliary agent taking tallow amine polyoxyethylene ether as a main component, through a non-farmland weed control test, the aqueous agent prepared by the auxiliary agent provided by the invention starts to yellow after being applied for 3 days, most of the weeds turn yellow after 5 days, all the weeds die in 14 days, no green turning exists in 30 days, the leaves start to yellow after 5 days in a control group, and most of the weeds die in 14 days.
Detailed Description
The invention will be further described by way of the following examples, which are not intended to limit the scope of the invention:
example 1
A new glyphosate isopropylamine salt aqueous solution additive is characterized in that: comprises the following components in percentage by weight:
the preparation process comprises the following steps: adding tallow amine polyoxyethylene ether, polyethylene glycol and ethylene glycol according to a proportion, stirring uniformly at normal temperature, slowly adding soft water, and stirring for 30-60min in the whole process to obtain the glyphosate isopropylamine aqueous solution additive. The glyphosate isopropylamine salt with the mass fraction of 46 percent and the auxiliary agent are mixed according to the mass ratio of 8: 2 mixing to obtain glyphosate isopropylamine aqua, and performing a weed control test on non-cultivated lands (mixing the glyphosate isopropylamine aqua at a ratio of 100ml/15L of water, spraying 1 mu of land), wherein the leaves begin to yellow after 5 days, most (80% +/-2%) of the weeds (such as field gramineae and broadleaf weeds including field watermelon seedlings, eyeweed, green bristlegrass, bidens tripartita, bidens parvifolia, bidens pinnata, barnyard grass, crab grass, maidenhair and the like) die after 14 days, and the weeds have 1/5 reversion after 30 days.
Example 2
A new glyphosate isopropylamine salt aqueous solution additive is characterized in that: comprises the following components in percentage by weight:
the preparation process comprises the following steps: adding tallow amine polyoxyethylene ether, polyethylene glycol and ethylene glycol according to a proportion, stirring uniformly at normal temperature, then slowly adding alcohol ether glycoside, finally supplementing soft water, and stirring for 30-60min in the whole process to obtain the glyphosate isopropylamine salt aqueous solution auxiliary agent. The glyphosate isopropylamine salt with the mass fraction of 46 percent and the auxiliary agent are mixed according to the mass ratio of 8: 2 mixing to obtain glyphosate isopropylamine aqua, and performing a weed control test on non-cultivated land (mixing the glyphosate isopropylamine aqua at a ratio of 100ml/15L of water, spraying 1 mu of land), wherein the leaves begin to yellow after 5 days, and almost all (90% +/-2%) of weeds (such as field gramineae and broadleaf weeds including field watermelon seedlings, eyeweed, green bristlegrass, bidens tripartita, bidens parvifolia, bidens pinnata, barnyard grass, crab grass, maidenhair and the like and other embodiments of the same weed type) die after 14 days, and the weeds have 1/8 reversion after 30 days.
Example 3
A new glyphosate isopropylamine salt aqueous solution additive is characterized in that: comprises the following components in percentage by weight:
the preparation process comprises the following steps: adding tallow amine polyoxyethylene ether, polyethylene glycol and ethylene glycol according to a proportion, stirring uniformly at normal temperature, slowly adding alcohol ether glycoside and orange peel essential oil, finally supplementing soft water, and stirring for 30-60min in the whole process to obtain the glyphosate isopropylamine salt aqueous solution auxiliary agent. The glyphosate isopropylamine salt with the mass fraction of 46 percent and the auxiliary agent are mixed according to the mass ratio of 8: 2 mixing to obtain glyphosate isopropylamine salt aqua, and performing a non-farmland weed control test (mixing the glyphosate isopropylamine salt aqua at a ratio of 100ml/15L of water, spraying 1 mu of land), wherein the leaves begin to turn yellow after 3 days, most of the leaves turn yellow after 5 days, the weeds all die after 14 days (98% +/-2%), and the weeds turn green after 30 days at 1/10.
Example 4
A new glyphosate isopropylamine salt aqueous solution additive is characterized in that: comprises the following components in percentage by weight:
the preparation process comprises the following steps: adding tallow amine polyoxyethylene ether, polyethylene glycol and ethylene glycol according to a proportion, stirring uniformly at normal temperature, then slowly adding alcohol ether glucoside, orange peel essential oil and ethoxy modified polytrisiloxane, finally supplementing soft water, and stirring for 30-60min in the whole process to obtain the glyphosate isopropylamine aqueous solution additive. The glyphosate isopropylamine salt with the mass fraction of 46 percent and the auxiliary agent are mixed according to the mass ratio of 8: 2 mixing to obtain glyphosate isopropylamine salt aqua, and performing a non-farmland weed control test (mixing the glyphosate isopropylamine salt aqua at a ratio of 100ml/15L of water, spraying 1 mu of land), wherein the leaves begin to turn yellow after 3 days, most of the leaves turn yellow after 5 days, the weeds all die after 14 days (98% +/-2%), and the weeds turn green after 30 days at 1/10.
Example 5
A new glyphosate isopropylamine salt aqueous solution additive is characterized in that: comprises the following components in percentage by weight:
the preparation process comprises the following steps: adding tallow amine polyoxyethylene ether, polyethylene glycol and ethylene glycol according to a proportion, stirring uniformly at normal temperature, then slowly adding alcohol ether glucoside, orange peel essential oil and ethoxy modified polytrisiloxane, finally supplementing soft water, and stirring for 30-60min in the whole process to obtain the glyphosate isopropylamine aqueous solution additive. The glyphosate isopropylamine salt with the mass fraction of 46 percent and the auxiliary agent are mixed according to the mass ratio of 8: 2 mixing to obtain glyphosate isopropylamine salt aqua, and performing a non-farmland weed control test (mixing the glyphosate isopropylamine salt aqua at a ratio of 100ml/15L of water, spraying 1 mu of land), wherein the leaves begin to turn yellow after 3 days, most of the leaves turn yellow after 5 days, the weeds all die after 14 days (98% +/-2%), and the weeds do not turn green after 30 days.
Example 6
A new glyphosate isopropylamine salt aqueous solution additive is characterized in that: comprises the following components in percentage by weight:
the preparation process comprises the following steps: adding tallow amine polyoxyethylene ether, polyethylene glycol and ethylene glycol according to a proportion, stirring uniformly at normal temperature, then slowly adding alcohol ether glucoside, orange peel essential oil and ethoxy modified polytrisiloxane, finally supplementing soft water, and stirring for 30-60min in the whole process to obtain the glyphosate isopropylamine aqueous solution additive. The glyphosate isopropylamine salt with the mass fraction of 46 percent and the auxiliary agent are mixed according to the mass ratio of 8: 2 mixing to obtain glyphosate isopropylamine salt aqua, and performing a non-farmland weed control test (mixing the glyphosate isopropylamine salt aqua at a ratio of 100ml/15L of water, spraying 1 mu of land), wherein the leaves begin to turn yellow after 3 days, most of the leaves turn yellow after 5 days, the weeds all die after 14 days (98% +/-2%), and the weeds turn green after 30 days at 1/10. The herbicidal quick-acting and thoroughness was slightly inferior to the treatment described in example 5.
Example 7
A new glyphosate isopropylamine salt aqueous solution additive is characterized in that: comprises the following components in percentage by weight:
the preparation process comprises the following steps: adding tallow amine polyoxyethylene ether, polyethylene glycol and ethylene glycol according to a proportion, stirring uniformly at normal temperature, then slowly adding alcohol ether glucoside, orange peel essential oil and ethoxy modified polytrisiloxane, finally supplementing soft water, and stirring for 30-60min in the whole process to obtain the glyphosate isopropylamine aqueous solution additive. The glyphosate isopropylamine salt with the mass fraction of 46 percent and the auxiliary agent are mixed according to the mass ratio of 8: 2 mixing to obtain glyphosate isopropylamine salt aqua, and performing a non-farmland weed control test (mixing the glyphosate isopropylamine salt aqua at a ratio of 100ml/15L of water, spraying 1 mu of land), wherein the leaves begin to turn yellow after 3 days, most of the leaves turn yellow after 5 days, the weeds all die after 14 days (98% +/-2%), and the weeds turn green after 30 days at 1/8. The herbicidal quick-acting and thoroughness was slightly inferior to the treatment described in example 5.
Example 8
A new glyphosate isopropylamine salt aqueous solution additive is characterized in that: comprises the following components in percentage by weight:
the preparation process comprises the following steps: adding tallow amine polyoxyethylene ether, polyethylene glycol and ethylene glycol according to a proportion, stirring uniformly at normal temperature, then slowly adding alcohol ether glucoside, orange peel essential oil and ethoxy modified polytrisiloxane, finally supplementing soft water, and stirring for 30-60min in the whole process to obtain the glyphosate isopropylamine aqueous solution additive. The glyphosate isopropylamine salt with the mass fraction of 46 percent and the auxiliary agent are mixed according to the mass ratio of 8-9: 1-2, mixing to obtain glyphosate isopropylamine salt aqueous solution, and performing a non-farmland weed control test (mixing the glyphosate isopropylamine salt aqueous solution at a ratio of 100ml/15L of water, spraying 1 mu of land), wherein the leaves begin to turn yellow after 3 days, most of the leaves turn yellow after 5 days, the weeds die completely in 14 days (98% +/-2%), and the weeds turn green after 30 days at 1/10.
Example 9
A new glyphosate isopropylamine salt aqueous solution additive is characterized in that: comprises the following components in percentage by weight:
the preparation process comprises the following steps: adding tallow amine polyoxyethylene ether, polyethylene glycol and ethylene glycol according to a proportion, stirring uniformly at normal temperature, then slowly adding alcohol ether glucoside, orange peel essential oil and ethoxy modified polytrisiloxane, finally supplementing soft water, and stirring for 30-60min in the whole process to obtain the glyphosate isopropylamine aqueous solution additive. The glyphosate isopropylamine salt with the mass fraction of 46 percent and the auxiliary agent are mixed according to the mass ratio of 8: 2 mixing to obtain glyphosate isopropylamine salt aqua, and performing a non-farmland weed control test (mixing the glyphosate isopropylamine salt aqua at a ratio of 100ml/15L of water, spraying 1 mu of land), wherein the leaves begin to turn yellow after 3 days, most of the leaves turn yellow after 5 days, all the weeds die after 14 days (98% +/-2%), and the weeds hardly turn green after 30 days.
Example 10
The formula of example 5 is used as an auxiliary agent formula, and the glyphosate isopropylamine salt with the mass fraction of 46 percent and the auxiliary agent are mixed according to the mass ratio of 7: 2 mixing to obtain glyphosate isopropylamine salt aqueous solution, and performing a non-farmland weed control test (mixing the glyphosate isopropylamine salt aqueous solution at a ratio of 100ml/15L of water, spraying 1 mu of land), wherein the leaves begin to turn yellow after 5 days, the weeds all die after 14 days, and the weeds turn green after 30 days at 1/5.
Example 11
The formula of example 5 is used as an auxiliary agent formula, and the glyphosate isopropylamine salt with the mass fraction of 46 percent and the auxiliary agent are mixed according to the mass ratio of 9: 0.5, mixing to obtain glyphosate isopropylamine salt aqueous solution, and performing a non-farmland weed control test (mixing the glyphosate isopropylamine salt aqueous solution at a ratio of 100ml/15L of water, spraying 1 mu of land), wherein the leaves begin to turn yellow after 3 days, most of the leaves turn yellow after 5 days, and the weeds die in 14 days. However, during the process of mixing the drugs, the phenomenon of suspension occurs, which affects the water-solubility effect.
In the control group, tallow amine polyoxyethylene ether is used as an auxiliary agent as a control. The glyphosate isopropylamine salt with the mass fraction of 46 percent and the auxiliary agent are mixed according to the mass ratio of 8: 2 mixing to obtain glyphosate isopropylamine salt aqua, and performing a non-farmland weed control test (mixing the glyphosate isopropylamine salt aqua at a ratio of 100ml/15L of water, spraying 1 mu of land), wherein the leaves begin to turn yellow after 5 days, the weeds die in 14 days (75% +/-2%), and 10-20% of the weeds turn green after 30 days.
By adopting the embodiments 1-11 of the application, the surface tension of the liquid medicine prepared by the common auxiliary agent is 45-55mN/m, the contact angle is 45-50 degrees, and the wetting time is more than 130 s.
The standard file measurement standards of the surface tension, the contact angle and the wetting time of the invention are as follows:
GB/T22237-2008 surfactant, determination of surface tension.
GB/T11983-2008 determination of wetting time of surfactants.
EN 828 + 1998 adhesive wettability, solid surface contact angle measurement.
Specific interfacial activity indices are given in the following table:
Claims (3)
1. the glyphosate isopropylamine aqua assistant is characterized by comprising the following raw materials in percentage by mass:
50% -70% of tallow amine polyoxyethylene ether; 10% -25% of alcohol ether glucoside; 2-10% of orange peel essential oil; 0.02 to 0.6 percent of ethoxyl modified polytrisiloxane; 10% -20% of polyethylene glycol; 2% -4% of ethylene glycol; the balance being soft water.
2. The glyphosate isopropylamine salt aqueous solution adjuvant according to claim 1, is characterized by comprising the following raw materials in percentage by mass:
50% of tallow amine polyoxyethylene ether; 21% of alcohol ether glucoside; 8.7% of orange peel essential oil; 0.3 percent of ethoxyl modified polytrisiloxane; 15% of polyethylene glycol; 3% of ethylene glycol; 2 percent of soft water.
3. The glyphosate isopropylamine salt aqueous solution agent prepared by the glyphosate isopropylamine salt aqueous solution agent of claim 1 or 2 is characterized in that the raw materials of the agent are mixed in proportion, stirred for 30-60min at normal temperature, and then mixed with glyphosate isopropylamine salt with the mass fraction of 40-50% in a mass ratio of 1-2: 8-9, and obtaining the glyphosate isopropylamine salt aqua.
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| CN114680130B (en) * | 2020-12-25 | 2023-12-22 | 南通泰禾化工股份有限公司 | Glyphosate isopropylamine salt soluble solution and preparation method thereof |
| CN113475524A (en) * | 2021-06-28 | 2021-10-08 | 江苏腾龙生物药业有限公司 | Preparation method of glyphosate isopropylamine salt aqueous solution |
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| US5703015A (en) * | 1990-08-09 | 1997-12-30 | Monsanto Company | Pesticidal compositions of polyoxyalkylene alkylamine surfactants having reduced eye irritation |
| CN1545881A (en) * | 2003-12-04 | 2004-11-17 | 吴云清 | Synergy auxiliary agent of glyphosate isopropyl amine brine agent |
| CN1285600C (en) * | 2004-11-25 | 2006-11-22 | 浙江新安化工集团股份有限公司 | Glyphosate preparation and method for preparing same |
| MX2011000098A (en) * | 2008-07-03 | 2011-02-25 | Monsanto Technology Llc | Combinations of derivatized saccharide surfactants and etheramine oxide surfactants as herbicide adjuvants. |
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| CN102396521A (en) * | 2011-12-09 | 2012-04-04 | 四川省乐山市福华通达农药科技有限公司 | Glyphosate isopropylamine salt water solution and preparation method thereof |
| CN108617686A (en) * | 2018-06-05 | 2018-10-09 | 四川利尔作物科学有限公司 | A kind of low temperature resistant glufosinate-ammonium-gyphosate solution |
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