CN109006809A - A kind of application technology of acrylic emulsion in aqueous emulsion - Google Patents

A kind of application technology of acrylic emulsion in aqueous emulsion Download PDF

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Publication number
CN109006809A
CN109006809A CN201710435199.4A CN201710435199A CN109006809A CN 109006809 A CN109006809 A CN 109006809A CN 201710435199 A CN201710435199 A CN 201710435199A CN 109006809 A CN109006809 A CN 109006809A
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CN
China
Prior art keywords
aqueous emulsion
emulsion
acrylic emulsion
application technology
acrylic
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CN201710435199.4A
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Chinese (zh)
Inventor
张玉坤
刘鹏
彭述明
陈军
周斌
康逢斌
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Guangdong Zhongxun Agri Science Corp
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Guangdong Zhongxun Agri Science Corp
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Priority to CN201710435199.4A priority Critical patent/CN109006809A/en
Publication of CN109006809A publication Critical patent/CN109006809A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N25/00Biocides, 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
    • A01N25/02Biocides, 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
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N25/00Biocides, 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
    • A01N25/02Biocides, 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
    • A01N25/04Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N39/00Biocides, pest repellants or attractants, or plant growth regulators containing aryloxy- or arylthio-aliphatic or cycloaliphatic compounds, containing the group or, e.g. phenoxyethylamine, phenylthio-acetonitrile, phenoxyacetone
    • A01N39/02Aryloxy-carboxylic acids; Derivatives thereof
    • A01N39/04Aryloxy-acetic acids; Derivatives thereof
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/48Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
    • A01N43/541,3-Diazines; Hydrogenated 1,3-diazines
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/64Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
    • A01N43/647Triazoles; Hydrogenated triazoles
    • A01N43/6531,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N47/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/28Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/38Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< where at least one nitrogen atom is part of a heterocyclic ring; Thio analogues thereof
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N53/00Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N55/00Biocides, pest repellants or attractants, or plant growth regulators, containing organic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen and sulfur
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N57/00Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
    • A01N57/10Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds
    • A01N57/16Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds containing heterocyclic radicals
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N57/00Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
    • A01N57/26Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-nitrogen bonds
    • A01N57/32Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-nitrogen bonds containing heterocyclic radicals

Abstract

The present invention relates to a kind of application technology of acrylic emulsion in aqueous emulsion.The aqueous emulsion is by following weight percent at being grouped as: active ingredients of the original drug 1%-50%, acrylic emulsion 0.1%-10%, environmentally friendly solvent 1%-30%, surfactant 1%-20%, stabilizer 1%-15%, remaining is water.The acrylic acid is that chemical formula is C3H4O2Organic compound, be simplest unsaturated carboxylic acid, be made of a vinyl and a carboxyl.Advantages of the present invention: aqueous emulsion obtained is free of aromatic organic solvent, reduces environmental pollution;Simple production process, low energy consumption;The aqueous emulsion size droplet diameter is less than 0.2 μm, ingredient dispersion degree height, uniform, stability height, and there is high stability, lasting period length, using safe, and environmental pollution is small, thus the service efficiency of host agent and adjuvant is improved, reference is provided to the development of environmentally friendly dosage form for pesticide emulsion in water.

Description

A kind of application technology of acrylic emulsion in aqueous emulsion
Technical field
The invention belongs to environmental-protecting chemical pesticides application production field, in particular to a kind of acrylic emulsion is in aqueous emulsion Application technology.
Background technique
Control efficiency scientifically rationally can be improved using pesticide, delay harmful organism to develop drug resistance or expand and use model Enclose it is simultaneous control different types of harmful organism, save manpower and dosage, reduce cost, improve drug effect, reduce toxicity, enhancing pair The safety of people, animal.
The equipment that various pesticides are applied has its specific purposes and performance, and when being administered, liquid preparation sprinkling, pulvis Dust, granule is spread fertilizer over the fields, poison bait investment is both needed to performance, the feature of the instrument and equipment that consider to use, it could be played well Due effect makes medicament uniformly be distributed in crop or harmful organism surface thoughtfully, obtains science, efficiently prevents and treats result.
Pesticide species appropriate are selected using that must recognize controlling object before pesticide and grasp, with reference to various regions plant protection Books that department is write, handbook prevent misuse pesticide, reach the ideal effect being administered to the ill.
Pesticide is also the important means that the mankind prevent and treat agricultural pest and disease damage, and chemical pesticide plays the increasing both production and income for guaranteeing agricultural Very important effect, however the use of pesticide also bring residual, pollution etc. one while Ensuring Food Safety production Serial environment and social concern.
Pesticide is a kind of special chemicals, it can prevent and treat agricultural pest and disease damage, also can generate harm to people and animals.Therefore, The use of pesticide, on the one hand brings benefit to the mankind, and on the other hand also relies to the mankind and brings harm according to the environment of existence, reports according to correlation Road, pesticide utilization rate are generally 10%, and about 90% residual in the environment, causes the pollution to environment.Largely lost pesticide It evaporate into air, flows into water body, sedimentation aggregation in the soil, pollutes farming animals fishing fruit product, and the enrichment for passing through food chain Effect is transferred to human body, generates harm to human body.Therefore, safe and efficient environmental protection is developed, extends the lasting period, mitigate phytotoxicity, drop Low pesticide residual in the environment, the application range for increasing pesticide novel form preparation have become the development side of pesticide in future dosage form One of to.
Aqueous emulsion is as a kind of novel environment friendly dosage form, and contribution is brilliant in terms of extending the pesticide lasting period, but its internal addition Compositions, method is different, in the market the formula or ingredient of the few addition physics stabilizers of existing aqueous emulsion.And the present invention mainly with Acrylic emulsion be physically stable agent cooperate conventional chemical stabilizer keep water and milk system more stable, property have raw material without Poison, the advantages that lasting period is good, physical and chemical stability is high and good biocompatibility.
But the duration of each product of aqueous emulsion of existing market sale is relatively short, causes the frequent medication of peasant and continuous Dosing is improved, many areas all cause the generation of drug resistance, and the lasting period for extending the medicament thus becomes urgently to be resolved Project.In addition, Water emulsion used at present is still using aromatic hydrocarbon as primary solvent, due to using a large amount of mineral soil and having Solvent not only consumes a large amount of fossil resources, and very big pressure is also resulted in environment.It is molten with environmentally friendly solvent replacement aromatic hydrocarbon After agent, its stability not only can be improved, extend the lasting period, reduce application times and amount of application, it can also be mitigated to environment With the adverse effect of agricultural product, thus improve medication safety.
For defect existing for the above existing method for producing aqueous emulsion and Related product, the application purpose is to develop dedicated In a kind of novel aqueous emulsion product of high-efficiency environment friendly of prevention and treatment pest and disease damage, the safety of the above aqueous emulsion preparation process both can solve Problem, and it is able to maintain the exclusive feature of aqueous emulsion product.The aqueous emulsion product is also logical in addition to prevention and control disease pest, crop smothering performance Addition synergist is crossed, drug effect is significantly improved, after aqueous emulsion product of the present invention, the drug effect lasting period is long, holds to reduce Pollution of the continuous application chemical pesticide to environment, is more advantageous to the pesticide residue reduced on crop.And it is exclusively used in prevention and treatment pest and disease damage Product is easier to and Fertilizer combination, and mixture is simple, uniformly, can be obviously shortened working hour, improves work efficiency, increases drug effect.
Summary of the invention
To solve current physically stable agent blank used in aqueous emulsion, the purpose of the present invention is to provide a kind of propylene Application technology of the yogurt liquid in aqueous emulsion.
The present invention is achieved through the following technical solutions:
A kind of application technology of acrylic emulsion in aqueous emulsion, by following weight percent at being grouped as: raw medicine has Ingredient 1%-50%, acrylic emulsion 0.1%-10%, environmentally friendly solvent 1%-30%, surfactant 1%-20% are imitated, is stablized Agent 1%-15%, remaining is water.
The acrylic acid is that chemical formula is C3H4O2Organic compound, be simplest unsaturated carboxylic acid, by a second Alkenyl and a carboxyl composition.
The environmentally friendly solvent is ethyl alcohol, normal propyl alcohol, isopropanol, butanol, isobutanol, N-Methyl pyrrolidone, ethylene glycol The combination of one or more of single ether, dimethyl sulfoxide, propyl acetate, propylene glycol monomethyl ether.
The surfactant is wooden sodium sulfonate, dodecyl sodium sulfate, lauryl sodium sulfate, laruyl alcohol polyoxy Oxyethylene sulfate, sorbitan fatty acid ester, alkyl phenol polyoxyethylene ether, styryl phenol polyethenoxy ether, alkaryl phenol Polyoxyethylene ether phosphate, castor oil polyoxyethylene ether, alkylbenzene sulfonate, alkylphenol-polyethenoxy phosphate, maleic two Two or more of combinations in sour di-sec-octyl sodium sulfonate, polyol fatty acid ester and its ethylene oxide adduct.
The stabilizer is hydrochloric acid, sulfuric acid, acetic acid, urea, polyethylene glycol, phosphoric acid, ethylene glycol, glycerine, salicylic acid The combination of one or both of sodium.
A kind of application technology of acrylic emulsion of the invention in aqueous emulsion, the water are soft tap water or soft Water or deionized water.
According to above-mentioned preparation formula, acrylic emulsion is applied can be used following methods in aqueous emulsion:
1, raw medicine is accurately weighed, is sufficiently dissolved with appropriate solvent completely, uniformly, emulsifier is added, is mixed stand-by.
2, in the case where step 1 stirs, acrylic emulsion is added, keeps its mixing and emulsifying uniform.
3, in the case where step 2 stirs, stabilizer is added.
4, in the case where step 3 stirs, deionized water is mended to 100%.
5, with efficient cutter high speed shear 10-15 minutes.
6, room temperature cooling obtains finished product.
The present invention provides a kind of lasting period is long, less toxic, environmentally friendly, safety of human and livestock, pest and disease damage is not likely to produce anti- The aqueous emulsion of pharmacological property.Said preparation performance is stablized, degradable, grows tall to the crop pests lasting period, environmental pollution very little.With it is existing There is technology to compare, provide a kind of more environmental-friendly pesticidal preparations, meets the non-environmental pollution control needs of agricultural pests.
Specific embodiment
Essence in order to better understand the present invention illustrates technology contents of the invention, but the present invention with example below Content be not limited thereto.
Embodiment 1:30% aqueous cyhalofop-butyl emulsion
1, preparation method
(1) accurately weigh 31.2g grams of 96.3% cyhalofop-butyl active compound, with 15 grams of ethylene glycol monoethyl ethers sufficiently dissolve completely, Uniformly, 2 grams of emulsifier castor oil polyoxyethylene ether, 1.5 grams of polyol fatty acid ester is added, for use.
(2) in the case where step (1) is stirred, 5g acrylic emulsion is added, keeps its mixing and emulsifying uniform.
(3) in the case where step (2) are stirred, stabilizer 2.5g glycerine is added.
(4) in the case where step (3) are stirred, deionized water is mended to 100g.
(5) with efficient cutter high speed shear 10-15 minutes.
(6) room temperature cooling obtains 30% aqueous cyhalofop-butyl emulsion of finished product.
2, stability observing is tested
Optical microphotograph under the microscope, obtains 30% aqueous cyhalofop-butyl emulsion that average grain diameter is 0.16 μm, through cold storage (0 ± 1 DEG C) 7 days, heat storage (54 ± 2 DEG C) 14 days, under conditions of the irradiation for 24 hours of room temperature ultraviolet light, the resolution ratio of cyhalofop-butyl is distinguished 0.09%, 0.23%, 0.19%.
Embodiment 2:25% Fosthiazate aqueous emulsion
1, preparation method
(1) 29.4 grams of 85% fosthiazate raw medicine is accurately weighed, is sufficiently dissolved completely, uniformly with 6 grams of N-Methyl pyrrolidones, 1.4 grams of emulsifier disecoctylmaleate sodium sulfonate, 2.6 grams of styryl phenol polyethenoxy ether is added, for use.
(2) in the case where step (1) is stirred, 3g acrylic emulsion is added, keeps its mixing and emulsifying uniform.
(3) in the case where step (2) are stirred, stabilizer 2.5g glycerine is added.
(4) in the case where step (3) are stirred, deionized water is mended to 100g.
(5) with efficient cutter high speed shear 10-15 minutes.
(6) room temperature cooling obtains finished product.
2, stability observing is tested
Optical microphotograph under the microscope, obtains 25% Fosthiazate aqueous emulsion that average grain diameter is 0.13 μm, through cold storage (0 ± 1 DEG C) 7 days, heat storage (54 ± 2 DEG C) 14 days, room temperature ultraviolet light irradiate 1 day under the conditions of, the resolution ratio of fosthiazate is respectively 0.30%, 0.68%, 1.17%.
Embodiment 3:5% Biphenthrin emulsion in water
1, preparation method
(1) 5.1 grams of 98% Biphenthrin raw medicine is accurately weighed, is sufficiently dissolved completely, uniformly, is added with 5 grams of propylene glycol monomethyl ethers Enter 2.9 grams of emulsifier alkyl phenol polyoxyethylene ether, 1.6 grams of alkylphenol-polyethenoxy phosphate sodium, for use.
(2) in the case where step (1) is stirred, 5.5g acrylic emulsion is added, keeps its mixing and emulsifying uniform.
(3) in the case where step (2) are stirred, stabilizer 1.5g acetic acid is added.
(4) in the case where step (3) are stirred, deionized water is mended to 100g.
(5) with efficient cutter high speed shear 10-15 minutes.
(6) room temperature cooling obtains finished product.
2, stability observing is tested
Optical microphotograph under the microscope, obtains 5% Biphenthrin emulsion in water that average grain diameter is 0.8 μm, through cold storage (0 ± 1 DEG C) 7 days, heat storage (54 ± 2 DEG C) 14 days, under conditions of the irradiation for 24 hours of room temperature ultraviolet light, the resolution ratio of Biphenthrin is respectively 0.22%, 0.56%, 0.98%.
Embodiment 4:40% chlorpyrifos aqueous emulsion
1, preparation method
(1) 42.1 grams of 95% chlopyrifos raw medicine is accurately weighed, is sufficiently dissolved completely, uniformly, is added with 7 grams of sec-Butyl Acetates .9 grams of emulsifier alkaryl phenol polyethenoxy ether phosphoesterase 30,3.5 grams of alkylbenzene sulfonate sodium, for use.
(2) in the case where step (1) is stirred, 5.5g acrylic emulsion is added, keeps its mixing and emulsifying uniform.
(3) in the case where step (2) are stirred, stabilizer 5.5g sodium salicylate is added.
(4) in the case where step (3) are stirred, deionized water is mended to 100g.
(5) with efficient cutter high speed shear 10-15 minutes.
(6) room temperature cooling obtains finished product.
2, stability observing is tested
Optical microphotograph under the microscope, obtains 40% chlorpyrifos aqueous emulsion that average grain diameter is 0.11 μm, through cold storage (0 ± 1 DEG C) 7 days, heat storage (54 ± 2 DEG C) 14 days, under conditions of the irradiation for 24 hours of room temperature ultraviolet light, the resolution ratio of chlopyrifos is respectively 0.20%, 0.29%, 1.46%.
Embodiment 5:20% betacyfluthrin aqueous emulsion
1, preparation method
(1) 20.7 grams of 96.8% betacyfluthrin raw medicine is accurately weighed, has sufficiently been dissolved with 5.5 grams of sec-Butyl Acetates Entirely, 1.1 grams of emulsifier alkylbenzene sulfonate, 4.3 grams of styryl phenol polyethenoxy ether uniformly, is added, for use.
(2) in the case where step (1) is stirred, 5.1g acrylic emulsion is added, keeps its mixing and emulsifying uniform.
(3) in the case where step (2) are stirred, stabilizer 3.9g urea is added.
(4) in the case where step (3) are stirred, deionized water is mended to 100g.
(5) with efficient cutter high speed shear 10-15 minutes.
(6) room temperature cooling obtains finished product.
2, stability observing is tested
Optical microphotograph under the microscope, obtains the 20% betacyfluthrin aqueous emulsion that average grain diameter is 0.17 μm, through cold Under conditions of storing (0 ± 1 DEG C) 7 days, heat storage (54 ± 2 DEG C) 14 days, the irradiation for 24 hours of room temperature ultraviolet light, betacyfluthrin Resolution ratio is respectively 0.27%, 0.89%, 1.35%.
Embodiment 6:45% prochloraz aqueous emulsion
1, preparation method
(1) 47.4 grams of 95% Prochloraz raw medicine is accurately weighed, is sufficiently dissolved completely, uniformly, is added with 6.7 grams of propyl acetates 3.7 grams of emulsifier alkaryl phenol polyethenoxy ether phosphate, 1.3 grams of polyol fatty acid ester, for use.
(2) in the case where step (1) is stirred, 3.8g acrylic emulsion is added, keeps its mixing and emulsifying uniform.
(3) in the case where step (2) are stirred, stabilizer 1.5g hydrochloric acid, 2.5g polyethylene glycol is added.
(4) in the case where step (3) are stirred, deionized water is mended to 100g.
(5) with efficient cutter high speed shear 10-15 minutes.
(6) room temperature cooling obtains finished product.
2, stability observing is tested
Optical microphotograph under the microscope, obtains 45% prochloraz aqueous emulsion that average grain diameter is 0.15 μm, through cold storage (0 ± 1 DEG C) 7 days, heat storage (54 ± 2 DEG C) 14 days, under conditions of the irradiation for 24 hours of room temperature ultraviolet light, the resolution ratio of Prochloraz is respectively 0.19%, 0.96%, 1.28%.
Embodiment 7:20% Flusilazole aqueous emulsion
1, preparation method
(1) 21.1 grams of 95% flusilazole is accurately weighed, is sufficiently dissolved completely, uniformly, is added with 7.3 grams of dimethyl sulfoxides Enter 1.9 grams of emulsifier alkyl phenol polyoxyethylene ether, 2.2 grams of alkylphenol-polyethenoxy phosphate, for use.
(2) in the case where 1 stirring, 5.9g acrylic emulsion is added, keeps its mixing and emulsifying uniform.
(3) in the case where 2 stirring, stabilizer 4.5g glycerine is added.
(4) in the case where 3 stirring, deionized water is mended to 100g.
(5) with efficient cutter high speed shear 10-15 minutes.
(6) room temperature cooling obtains finished product.
2, stability observing is tested
Optical microphotograph under the microscope, obtains the 20% Flusilazole aqueous emulsion that average grain diameter is 0.18 μm, through cold storage (0 ± 1 DEG C) 7 days, heat storage (54 ± 2 DEG C) 14 days, under conditions of the irradiation for 24 hours of room temperature ultraviolet light, the resolution ratio of Flusilazole is respectively 0.47%, 0.55%, 1.19%.
Embodiment 8:10% difenoconazole water emulsion
1, preparation method
(1) accurately weigh 10.5 grams of 98% difenoconazole technical material, with 5.1 grams of ethylene glycol monoethyl ethers sufficiently dissolve completely, Uniformly, 1.8 grams of emulsifier styryl phenol polyethenoxy ether, 2.6 grams of alkaryl phenol polyethenoxy ether phosphate is added, for use.
(2) in the case where 1 stirring, 7.4g acrylic emulsion is added, keeps its mixing and emulsifying uniform.
(3) in the case where 2 stirring, stabilizer 1.8g acetic acid is added.
(4) in the case where 3 stirring, deionized water is mended to 100g.
(5) with efficient cutter high speed shear 10-15 minutes.
(6) room temperature cooling obtains finished product.
2, stability observing is tested
Optical microphotograph under the microscope, obtains 10% difenoconazole water emulsion that average grain diameter is 0.15 μm, through cold storage (0 ± 1 DEG C) 7 days, heat storage (54 ± 2 DEG C) 14 days, under conditions of the irradiation for 24 hours of room temperature ultraviolet light, the resolution ratio point of difenoconazole It Wei 0.47%, 0.55%, 1.53%.
Embodiment 9:15% azoxystrobin water emulsion
1, preparation method
(1) 15.8 grams of 95% Fluoxastrobin raw medicine is accurately weighed, is sufficiently dissolved completely, uniformly with 5.9 grams of n-butanols, cream is added 1.4 grams of agent disecoctylmaleate sodium sulfonate, 1.6 grams of alkylphenol-polyethenoxy phosphate, for use.
(2) in the case where 1 stirring, 9.6g acrylic emulsion is added, keeps its mixing and emulsifying uniform.
(3) in the case where 2 stirring, stabilizer 6.5g glycerine is added.
(4) in the case where 3 stirring, deionized water is mended to 100g.
(5) with efficient cutter high speed shear 10-15 minutes.
(6) room temperature cooling obtains finished product.
2, stability observing is tested
Optical microphotograph under the microscope, obtains 15% azoxystrobin water emulsion that average grain diameter is 0.09 μm, through cold storage (0 ± 1 DEG C) 7 days, heat storage (54 ± 2 DEG C) 14 days, under conditions of the irradiation for 24 hours of room temperature ultraviolet light, the resolution ratio of Fluoxastrobin is respectively 0.52%, 0.55%, 1.27%.
The aqueous emulsion obtained by above-mentioned implementation preparating example, without stability is improved, also prolongs compared with the existing formulations of pesticide The lasting period has been grown, application times and amount of application are reduced, has also reduced its adverse effect to environment and agricultural product, thus has been improved The safety of medication.
Embodiment 10: field control effectiveness test
Table 1, field control effectiveness test result of the embodiment of the present invention
Field control effectiveness test shows the aqueous emulsion that acrylic emulsion is added, after medicine 15 days pest and disease damage preventive effects 95% with On, do not add 85% or more of acrylic emulsion better than control aqueous emulsion, the aqueous emulsion of acrylic emulsion is added, remains within 90 days after medicine 90% or more pest and disease damage preventive effect is maintained, does not add 80% or more of acrylic emulsion better than control aqueous emulsion.

Claims (7)

1. a kind of application technology of acrylic emulsion in aqueous emulsion, it is characterised in that: the aqueous emulsion is by following weight percent It is several at being grouped as: active ingredients of the original drug 1%-50%, acrylic emulsion 0.1%-10%, environmentally friendly solvent 1%-30%, surface Activating agent 1%-20%, stabilizer 1%-15%, remaining is water.
2. a kind of application technology of the acrylic emulsion according to claims 1 in aqueous emulsion, it is characterised in that: described Raw medicine be Fluoxastrobin, difenoconazole, Flusilazole, Prochloraz, betacyfluthrin, chlopyrifos, Biphenthrin, fosthiazate or Cyhalofop-butyl.
3. a kind of application technology of the acrylic emulsion according to claims 1 in aqueous emulsion, it is characterised in that: described Acrylic acid be chemical formula be C3H4O2Organic compound, be simplest unsaturated carboxylic acid, by a vinyl and a carboxylic Base composition.
4. a kind of application technology of the acrylic emulsion according to claims 1 in aqueous emulsion, which is characterized in that described Environmentally friendly solvent be ethyl alcohol, normal propyl alcohol, isopropanol, butanol, isobutanol, N-Methyl pyrrolidone, ethylene glycol monoethyl ether, dimethyl The combination of one or more of sulfoxide, propyl acetate, propylene glycol monomethyl ether.
5. a kind of application technology of the acrylic emulsion according to claims 1 in aqueous emulsion, which is characterized in that described Surfactant be wooden sodium sulfonate, dodecyl sodium sulfate, lauryl sodium sulfate, lauryl alcohol polyethylene glycol oxide sodium sulphate, Sorbitan fatty acid ester, alkyl phenol polyoxyethylene ether, styryl phenol polyethenoxy ether, alkaryl phenol polyethenoxy ether phosphorus Acid esters, castor oil polyoxyethylene ether, alkylbenzene sulfonate, alkylphenol-polyethenoxy phosphate, maleic acid di-sec-octyl sulphur Two or more of combinations in sour sodium, polyol fatty acid ester and its ethylene oxide adduct.
6. a kind of application technology of the acrylic emulsion according to claims 1 in aqueous emulsion, which is characterized in that described Stabilizer be one of hydrochloric acid, sulfuric acid, acetic acid, urea, polyethylene glycol, phosphoric acid, ethylene glycol, glycerine, sodium salicylate or Two kinds of combination.
7. application technology of a kind of acrylic emulsion in aqueous emulsion as described in claims 1, which is characterized in that described Water is soft tap water or soft water or deionized water.
CN201710435199.4A 2017-06-10 2017-06-10 A kind of application technology of acrylic emulsion in aqueous emulsion Pending CN109006809A (en)

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Application publication date: 20181218