CN100426967C - Micellar emulsion prepared by mixing Kresoxim and badistan, and preparation method - Google Patents
Micellar emulsion prepared by mixing Kresoxim and badistan, and preparation method Download PDFInfo
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- CN100426967C CN100426967C CNB200610123740XA CN200610123740A CN100426967C CN 100426967 C CN100426967 C CN 100426967C CN B200610123740X A CNB200610123740X A CN B200610123740XA CN 200610123740 A CN200610123740 A CN 200610123740A CN 100426967 C CN100426967 C CN 100426967C
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Abstract
A microemulsion of the mixture of BAS 490F and carbendazim is proportionally prepared from BAS 490F, carbendazim, emulsifier, penetrant, cosolvent, and deionized water through proportional mixing, stirring, laying aside for 5-13 hr, heating to 43-53 deg.C and stirring.
Description
Technical field
The present invention relates to kresoxim-methyl class mixed pesticide technology, relate to kresoxim-methyl and the carbendazim microemulsion and preparation method thereof that is mixed particularly.
Background technology
In recent years, developed countries such as Great Britain and America are to an organic solvent restriction increasingly stringent in the pesticidal preparations, and organic solvents such as dimethylbenzene, toluene are disabled to be the solvent of agricultural chemicals.This is a kind of challenge to cream preparation.And wetting powder and pulvis can bring dust pollution, thereby impel agricultural chemicals to develop along efficient (super-high-efficient), low toxicity, safety, biorational and the good direction of Environmental compatibility.People are when strengthening the novel pesticide research and development, pay attention to research and development more to the formulations of pesticide, it wherein is the direction that the pesticides new formulation of base has become world's formulations of pesticide research and development with water, and as a kind of novel water-based pesticide formulation, a kind of so just environment friendly agricultural preparation of microemulsion.
Kresoxim-methyl (kresoxim-methyl) chemical name is (E)-2-methoxyimino-[2-(o-methyl-benzene oxygen methyl) phenyl] methyl acetate; it is the outstanding kind in the methoxy acrylate series bactericidal agent; its mechanism of action uniqueness; the activity that broad-spectrum high efficacy is arranged; vegetables, apple, pears and cereal class cereal crops now have been widely used in; most of diseases that pathomycetes such as imperfect fungus, sac fungi and oomycetes are caused have protection, treat and root out activity, are specially adapted to control of plant disease such as powdery mildew and scab.The formulation of the kresoxim-methyl sterilizing agent product of using on the agricultural chemicals market mainly contains wetting powder and dry suspending agent at present.Kresoxim-methyl is the same with many efficient germicides, and long-term, continuous, single use all can be developed immunity to drugs, and how to prolong the useful life of this medicament, is the problem that people pay close attention to.
Carbendazim (carbendazim) chemical name is N-(2-benzimidazolyl) carbamate, is a kind of systemic fungicide of high-efficiency broad spectrum, and is all effective to many sac fungis and imperfect fungus, and invalid to oomycetes and bacterial plant disease.Its main mechanism is to disturb the formation of spindle in the plant pathogenic fungi mitosis, thereby influences cell division.The continuous use of carbendazim leads to germ to develop immunity to drugs easily.The carbendazim product forms of using on the agricultural chemicals market is many based on wetting powder and suspending agent at present.
Generation or development for delaying kresoxim-methyl or carbendazim-resistance overcome the adverse effect that some conventional dosage forms such as wetting powder cause environment.The invention discloses a kind of is the microemulsion that Fungicidal active substance is mixed and makes with kresoxim-methyl and carbendazim, said preparation can improve drug effect and enlarge fungicidal spectrum, especially wheat powdery mildew, scab of cucumber there are remarkable drug effect, and do not see the correlation technique report so far as yet.
Summary of the invention
The objective of the invention is to antibacterial substance kresoxim-methyl and carbendazim is former medicine, a kind of high-efficiency low-toxicity, low cost, environmentally friendly, nuisanceless bactericide that phytopathogen is difficult to develop immunity to drugs are provided, promptly can be used for the kresoxim-methyl of control of plant disease such as crops, fruits and vegetables and the microemulsion that carbendazim is mixed.
Another object of the present invention is to provide above-mentioned kresoxim-methyl and the carbendazim preparation method of microemulsion that is mixed.
Purpose of the present invention is achieved through the following technical solutions.
A kind of kresoxim-methyl and the carbendazim microemulsion that is mixed by weight percentage, comprises following component: kresoxim-methyl 3-45%, carbendazim 0.3-40%, emulsifier 3-22%, bleeding agent 3-17%, cosolvent 3-26%, deionized water 24-77%.
Described emulsifier is selected from one or more in polyoxyethylene glycol, phenethyl phenol polyethenoxy ether, polyoxyethylene nonylphenol ether and the benzylphenol APEO of nonionic; Perhaps be selected from calcium dodecyl benzene sulfonate, alkyl benzene sulphonate barium salt and the dodecyl sodium naphthalene sulfonate of anionic one or more.
Described bleeding agent is selected from one or more in sulfosuccinate di-sec-octyl sodium salt, kerosene and the azone.
Described cosolvent is selected from one or more in isoamyl alcohol, cyclohexanone, ethyl acetate and the n-butanol.
The microemulsion preparation method that is mixed comprises the steps: earlier kresoxim-methyl, carbendazim, emulsifier, bleeding agent and cosolvent to be mixed in high-speed shearing machine by prescription for kresoxim-methyl of the present invention and carbendazim, add deionized water again, mix, left standstill 5-13 hour, be heated to 43-53 ℃, after fully stirring, promptly can be made into kresoxim-methyl and carbendazim mixed insecticide microemulsion.
The microemulsion that is mixed of the present invention is the microemulsion that contains fungicide active ingredient kresoxim-methyl, carbendazim.
With respect to prior art, the present invention has following advantage:
1, the present invention is a kind of new high-efficiency fungicide preparation, and plant powdery mildew is had significant drug effect.
2, fungicide preparation of the present invention is difficult for producing poisoning to environment, people and animals and other beneficial organism safety, and germ is difficult for it is developed immunity to drugs.Each composition in the mixture can be worked in coordination with in application and be played a role, and has remedied self deficiency of single agent agricultural chemicals, and has reduced the field pesticides amount of application, has reduced the production cost.
3, fungicide preparation flash-point height of the present invention, do not fire not quick-friedly, produce and safe in utilization, bin stability is good, can deposit more than 2 years.
4, fungicide preparation preparing process of the present invention is simple, is medium with water, and product cost is lower, is suitable for large scale application.
Embodiment
In order to understand the present invention better, the invention will be further described below in conjunction with embodiment, but the scope of protection of present invention is not limited to the scope that embodiment represents.
Embodiment 1: take by weighing kresoxim-methyl 3.0kg, carbendazim 39.5kg, after mixing in high-speed shearing machine with polyoxyethylene glycol 3.0kg, sulfosuccinate di-sec-octyl sodium salt 3.5kg, isoamyl alcohol 3.0kg then, add deionized water 48.0kg at last again, mix, left standstill 5 hours, be heated to 43 ℃, after fully stirring, promptly can be made into microemulsion.Use 3600 times of liquid of said preparation to carry out field control effectiveness test, the control efficiency of the 6th day and 12 days behind the wheat powdery mildew medicine is respectively 97.7%, 81.5%, the control efficiency of the 7th day and 14 days behind the scab of cucumber medicine is respectively 95.2%, 88.0%.
Embodiment 2: take by weighing kresoxim-methyl 3.5kg, carbendazim 40.0kg, after mixing in high-speed shearing machine with benzylphenol APEO 3.5kg, kerosene 3.0kg, isoamyl alcohol 1.0kg, cyclohexanone 2.0kg then, add deionized water 47.0kg at last again, mix, left standstill 6 hours, be heated to 44 ℃, after fully stirring, promptly can be made into microemulsion.Use 3600 times of liquid of said preparation to carry out field control effectiveness test, the control efficiency of the 6th day and 12 days behind the wheat powdery mildew medicine is respectively 96.3%, 82.2%, the control efficiency of the 7th day and 14 days behind the scab of cucumber medicine is respectively 97.2%, 88.1%.
Embodiment 3: take by weighing kresoxim-methyl 45.0kg, carbendazim 0.3kg, after mixing in high-speed shearing machine with polyoxyethylene glycol 3.0kg, phenethyl phenol polyethenoxy ether 2.5kg, polyoxyethylene nonylphenol ether 2.0kg, azone 3.0kg, isoamyl alcohol 3.0kg, ethyl acetate 3.0kg, n-butanol 3.0kg then, add deionized water 35.2kg at last again, mix, left standstill 6 hours, be heated to 52 ℃, after fully stirring, promptly can be made into microemulsion.Use 4000 times of liquid of said preparation to carry out field control effectiveness test, the control efficiency of the 6th day and 12 days behind the wheat powdery mildew medicine is respectively 93.5%, 92.7%, the control efficiency of the 7th day and 14 days behind the scab of cucumber medicine is respectively 94.1%, 84.4%.
Embodiment 4: take by weighing kresoxim-methyl 44.5kg, carbendazim 0.4kg, after mixing in high-speed shearing machine with polyoxyethylene glycol 3.5kg, phenethyl phenol polyethenoxy ether 3.0kg, polyoxyethylene nonylphenol ether 2.5kg, sulfosuccinate di-sec-octyl sodium salt 4.0kg, cyclohexanone 4.0kg, ethyl acetate 3.0kg then, add deionized water 35.1kg at last again, mix, left standstill 5 hours, be heated to 53 ℃, after fully stirring, promptly can be made into microemulsion.Use 4000 times of liquid of said preparation to carry out field control effectiveness test, the control efficiency of the 6th day and 12 days behind the wheat powdery mildew medicine is respectively 92.5%, 90.4%, the control efficiency of the 7th day and 14 days behind the scab of cucumber medicine is respectively 98.7%, 82.6%.
Embodiment 5: take by weighing kresoxim-methyl 23.0kg, carbendazim 15.0kg, after mixing in high-speed shearing machine with calcium dodecyl benzene sulfonate 12.0kg, kerosene 7.5kg, n-butanol 9.0kg then, add deionized water 33.5kg at last again, mix, left standstill 7 hours, be heated to 49 ℃, after fully stirring, promptly can be made into microemulsion.Use 4000 times of liquid of said preparation to carry out field control effectiveness test, the control efficiency of the 6th day and 12 days behind the wheat powdery mildew medicine is respectively 87.5%, 93.6%, the control efficiency of the 7th day and 14 days behind the scab of cucumber medicine is respectively 98.4%, 92.5%.
Embodiment 6: take by weighing kresoxim-methyl 6.0kg, carbendazim 19.0kg, after mixing in high-speed shearing machine with calcium dodecyl benzene sulfonate 5.5kg, alkyl benzene sulphonate barium salt 5.0kg, kerosene 6.5kg, ethyl acetate 12.0kg then, add deionized water 46.0kg at last again, mix, left standstill 11 hours, be heated to 53 ℃, after fully stirring, promptly can be made into microemulsion.Use 2600 times of liquid of said preparation to carry out field control effectiveness test, the control efficiency of the 6th day and 12 days behind the wheat powdery mildew medicine is respectively 90.3%, 84.4%, the control efficiency of the 7th day and 14 days behind the scab of cucumber medicine is respectively 89.0%, 83.23%.
Embodiment 7: take by weighing kresoxim-methyl 12.0kg, carbendazim 18.0kg, after mixing in high-speed shearing machine with calcium dodecyl benzene sulfonate 5.5kg, alkyl benzene sulphonate barium salt 5.0kg, dodecyl sodium naphthalene sulfonate 2.5kg, azone 5.5kg, n-butanol 11.0kg then, add deionized water 40.5kg at last again, mix, left standstill 6 hours, be heated to 52 ℃, after fully stirring, promptly can be made into microemulsion.Use 3400 times of liquid of said preparation to carry out field control effectiveness test, the control efficiency of the 6th day and 12 days behind the wheat powdery mildew medicine is respectively 93.0%, 88.4%, the control efficiency of the 7th day and 14 days behind the scab of cucumber medicine is respectively 92.6%, 82.5%.
Embodiment 8: take by weighing kresoxim-methyl 30.0kg, carbendazim 9.0v, after mixing in high-speed shearing machine with polyoxyethylene nonylphenol ether 4.0kg, benzylphenol APEO 6.0kg, kerosene 3.0kg, sulfosuccinate di-sec-octyl sodium salt 4.0kg, azone 10.0kg, ethyl acetate 10.0kg then, add deionized water 24.0kg at last again, mix, left standstill 12 hours, be heated to 51 ℃, after fully stirring, promptly can be made into microemulsion.Use 4000 times of liquid of said preparation to carry out field control effectiveness test, the control efficiency of the 6th day and 12 days behind the wheat powdery mildew medicine is respectively 94.5%, 95.6%, the control efficiency of the 7th day and 14 days behind the scab of cucumber medicine is respectively 93.2%, 83.5%.
Embodiment 9: take by weighing kresoxim-methyl 11.5kg, carbendazim 5.5kg, after mixing in high-speed shearing machine with polyoxyethylene nonylphenol ether 8.0kg, benzylphenol APEO 9.0kg, kerosene 3.0kg, azone 5.0kg, ethyl acetate 4.0kg, n-butanol 22.0kg then, add deionized water 32.0kg at last again, mix, left standstill 13 hours, be heated to 43 ℃, after fully stirring, promptly can be made into microemulsion.Use 2400 times of liquid of said preparation to carry out field control effectiveness test, the control efficiency of the 6th day and 11 days behind the wheat powdery mildew medicine is respectively 98.9%, 92.0%, the control efficiency of the 7th day and 14 days behind the scab of cucumber medicine is respectively 97.8%, 87.2%.
Embodiment 10: take by weighing kresoxim-methyl 3.0kg, carbendazim 2.0kg, after mixing in high-speed shearing machine with polyoxyethylene nonylphenol ether 3.0kg, benzylphenol APEO 1.0kg, kerosene 2.0kg, azone 1.0kg, ethyl acetate 6.0kg, isoamyl alcohol 3.5kg, cyclohexanone 1.5kg then, add deionized water 77.0kg at last again, mix, left standstill 8 hours, be heated to 44 ℃, after fully stirring, promptly can be made into microemulsion.Use 1400 times of liquid of said preparation to carry out field control effectiveness test, the control efficiency of the 6th day and 12 days behind the wheat powdery mildew medicine is respectively 89.8%, 85.2%, the control efficiency of the 7th day and 14 days behind the scab of cucumber medicine is respectively 90.1%, 83.8%.
Embodiment 11: take by weighing kresoxim-methyl 33.5kg, carbendazim 14.0kg, after mixing in high-speed shearing machine with phenethyl phenol polyethenoxy ether 4.0kg, benzylphenol APEO 3.5kg, sulfosuccinate di-sec-octyl sodium salt 1.5kg, kerosene 5.5kg, azone 2.0kg, cyclohexanone 3.0kg, n-butanol 8.5kg then, add deionized water 24.5kg at last again, mix, left standstill 10 hours, be heated to 47 ℃, after fully stirring, promptly can be made into microemulsion.Use 4000 times of liquid of said preparation to carry out field control effectiveness test, the control efficiency of the 6th day and 12 days behind the wheat powdery mildew medicine is respectively 96.2%, 91.3%, the control efficiency of the 7th day and 14 days behind the scab of cucumber medicine is respectively 99.0%, 93.6%.
Embodiment 12: take by weighing kresoxim-methyl 30.0kg, carbendazim 10.0kg, after mixing in high-speed shearing machine with phenethyl phenol polyethenoxy ether 7.0kg, benzylphenol APEO 3.5kg, sulfosuccinate di-sec-octyl sodium salt 4.5kg, kerosene 1.5kg, azone 3.5kg, cyclohexanone 2.0kg, n-butanol 4.0kg then, add deionized water 34.0kg at last again, mix, left standstill 11 hours, be heated to 46 ℃, after fully stirring, promptly can be made into microemulsion.Use 3500 times of liquid of said preparation to carry out field control effectiveness test, the control efficiency of the 6th day and 12 days behind the wheat powdery mildew medicine is respectively 94.2%, 92.3%, the control efficiency of the 7th day and 14 days behind the scab of cucumber medicine is respectively 96.1%, 90.3%.
Embodiment 13: take by weighing kresoxim-methyl 36.0kg, carbendazim 2.0kg, after mixing in high-speed shearing machine with phenethyl phenol polyethenoxy ether 4.5kg, benzylphenol APEO 2.0kg, polyoxyethylene nonylphenol ether 3.5kg, polyoxyethylene glycol 2.5kg, sulfosuccinate di-sec-octyl sodium salt 5.0kg, azone 2.0kg, cyclohexanone 3.5kg, isoamyl alcohol 3.0kg then, add deionized water 36.0kg at last again, mix, left standstill 8 hours, be heated to 48 ℃, after fully stirring, promptly can be made into microemulsion.Use 3500 times of liquid of said preparation to carry out field control effectiveness test, the control efficiency of the 6th day and 12 days behind the wheat powdery mildew medicine is respectively 95.6%, 91.7%, the control efficiency of the 7th day and 14 days behind the scab of cucumber medicine is respectively 98.2%, 92.5%.
Embodiment 14: take by weighing kresoxim-methyl 27.0kg, carbendazim 19.0kg, after mixing in high-speed shearing machine with alkyl benzene sulphonate barium salt 8.0kg, sulfosuccinate di-sec-octyl sodium salt 6.0kg, kerosene 3.0kg, azone 5.5kg, cyclohexanone 5.0kg then, add deionized water 26.5kg at last again, mix, left standstill 5 hours, be heated to 43 ℃, after fully stirring, promptly can be made into microemulsion.Use 3400 times of liquid of said preparation to carry out field control effectiveness test, the control efficiency of the 6th day and 12 days behind the wheat powdery mildew medicine is respectively 92.2%, 88.9%, the control efficiency of the 7th day and 14 days behind the scab of cucumber medicine is respectively 97.5%, 87.1%.
Embodiment 15: take by weighing kresoxim-methyl 21.0kg, carbendazim 17.5kg, after mixing in high-speed shearing machine with dodecyl sodium naphthalene sulfonate 11.0kg, kerosene 4.5kg, azone 3.5kg, n-butanol 8.0kg then, add deionized water 34.5kg at last again, mix, left standstill 5 hours, be heated to 50 ℃, after fully stirring, promptly can be made into microemulsion.Use 3800 times of liquid of said preparation to carry out field control effectiveness test, the control efficiency of the 6th day and 12 days behind the wheat powdery mildew medicine is respectively 92.1%, 83.2%, the control efficiency of the 7th day and 14 days behind the scab of cucumber medicine is respectively 92.6%, 87.1%.
Embodiment 16: take by weighing kresoxim-methyl 30.0kg, carbendazim 10.0kg, after mixing in high-speed shearing machine with polyoxyethylene nonylphenol ether 4.5kg, benzylphenol APEO 7.0kg, sulfosuccinate di-sec-octyl sodium salt 5.5kg, azone 4.0kg, ethyl acetate 11.0kg then, add deionized water 28.0kg at last again, mix, left standstill 9 hours, be heated to 50 ℃, after fully stirring, promptly can be made into microemulsion.Use 3800 times of liquid of said preparation to carry out field control effectiveness test, the control efficiency of the 6th day and 12 days behind the wheat powdery mildew medicine is respectively 95.4%, 90.9%, the control efficiency of the 7th day and 14 days behind the scab of cucumber medicine is respectively 93.1%, 87.8%.
The foregoing description shows that kresoxim-methyl of the present invention and carbendazim mixed insecticide microemulsion are a kind of new high-efficiency fungicide preparations, to the control efficiency excellence of wheat powdery mildew and scab of cucumber.And this microemulsion is base with water, overcome the shortcoming that wetting powder brings dust pollution, to environment, people and animals and other beneficial organism safety, be difficult for producing poisoning, and germ is difficult for it is developed immunity to drugs.Each composition in the mixture can be worked in coordination with in application and be played a role, and has remedied self deficiency of single agent agricultural chemicals, and has reduced the field pesticides amount of application, has reduced the production cost.In addition, microemulsion bin stability of the present invention is good, can deposit more than 2 years, and its preparation technology is simple, is medium with water, and product cost is lower, is suitable for large scale application.
Claims (2)
1, a kind of kresoxim-methyl and the carbendazim microemulsion that is mixed is characterized in that by weight percentage, comprises following component: kresoxim-methyl 3-45%, carbendazim 0.3-40%, emulsifier 3-22%, bleeding agent 3-17%, cosolvent 3-26%, deionized water 24-77%;
Described bleeding agent is selected from one or more in sulfosuccinate di-sec-octyl sodium salt, kerosene and the azone;
Described emulsifier is selected from one or more in polyoxyethylene glycol, phenethyl phenol polyethenoxy ether, polyoxyethylene nonylphenol ether and the benzylphenol APEO of nonionic, or described emulsifier is selected from calcium dodecyl benzene sulfonate, alkyl benzene sulphonate barium salt and the dodecyl sodium naphthalene sulfonate of anionic one or more;
Described cosolvent is selected from one or more in isoamyl alcohol, cyclohexanone, ethyl acetate and the n-butanol.
2, described kresoxim-methyl of claim 1 and the carbendazim preparation method of microemulsion that is mixed, it is characterized in that comprising the steps: earlier kresoxim-methyl, carbendazim, emulsifier, bleeding agent and cosolvent being mixed in high-speed shearing machine by prescription, add deionized water again, mix, left standstill 5-13 hour, be heated to 43-53 ℃, after fully stirring, promptly can be made into kresoxim-methyl and the carbendazim microemulsion that is mixed;
Described bleeding agent is selected from one or more in sulfosuccinate di-sec-octyl sodium salt, kerosene and the azone;
Described emulsifier is selected from one or more in polyoxyethylene glycol, phenethyl phenol polyethenoxy ether, polyoxyethylene nonylphenol ether and the benzylphenol APEO of nonionic, or described emulsifier is selected from calcium dodecyl benzene sulfonate, alkyl benzene sulphonate barium salt and the dodecyl sodium naphthalene sulfonate of anionic one or more;
Described cosolvent is selected from one or more in isoamyl alcohol, cyclohexanone, ethyl acetate and the n-butanol.
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| CNB200610123740XA CN100426967C (en) | 2006-11-24 | 2006-11-24 | Micellar emulsion prepared by mixing Kresoxim and badistan, and preparation method |
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| CN102067860B (en) * | 2011-01-13 | 2013-06-05 | 四川农业大学 | Bavistin microemulsion and preparation method thereof |
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| CN1359620A (en) * | 2000-12-21 | 2002-07-24 | 徐波勇 | Fungicidal composition |
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