CN101444208B - Kresoxim-methyl sterilizing aqueous emulsion and preparation method thereof - Google Patents

Kresoxim-methyl sterilizing aqueous emulsion and preparation method thereof Download PDF

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CN101444208B
CN101444208B CN 200810172668 CN200810172668A CN101444208B CN 101444208 B CN101444208 B CN 101444208B CN 200810172668 CN200810172668 CN 200810172668 CN 200810172668 A CN200810172668 A CN 200810172668A CN 101444208 B CN101444208 B CN 101444208B
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kresoxim
methyl
aqueous emulsion
sterilizing aqueous
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CN101444208A (en
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张少武
樊小龙
弥华峰
曹巧利
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Abstract

The invention discloses a kresoxim-methyl sterilizing aqueous emulsion and a preparation method thereof. Based on the weight percentage, the formulation of the components of the kresoxim-methyl sterilizing aqueous emulsion comprises: 1%-40% of kresoxim-methyl technical product of pesticides, 10%-30% of solvent, 2%-5% of anionic emulsifier, 2%-5% of nonionic emulsifier, 1%-5% of antifreezing agent, 0.1%-0.5% of defoaming agent and the balance water. The preparation method comprises: the kresoxim-methyl technical product of pesticides, the solvent and the emulsifier are mixed together to be dissolved into even oil phase; and the water, the antifreezing agent and the defoaming agent are mixed together to form uniform water phase. The water phase is mixed with the oil phase under the high speed agitation to produce the products of the kresoxim-methyl sterilizing aqueous emulsion which has remarkable drug effects on powdery mildew, scab, downy mildew, early blight and late blight of fruit trees and vegetables. The sterilizing aqueous emulsion does not have chemical injury for the safety of environment, people and animals as well as other beneficial living creatures, and has the advantages of being simple in preparing technique and suitable for large-area generalization and application.

Description

Kresoxim-methyl sterilizing aqueous emulsion and preparation method thereof
Technical field
The invention belongs to technical field of pesticide, relate to the preventive effect of a kind of powdery mildew that is used for fruit tree, vegetables, scab, downy mildew, early blight, late blight, relate to kresoxim-methyl aqueous emulsion and preparation method thereof particularly.
Background technology
In recent years, great changes have taken place in global agricultural chemicals policy, and particularly developed country is very strict to the use restriction of high poison, persistent pesticide.For a long time, emulsifiable concentrates for agricultural chemicals and wetting powder are the important formulations of pesticidal preparations always, but owing to contain a large amount of inflammable organic solvents in the missible oil; In long-term use; A large amount of organic solvents evaporate in the atmosphere, and environment has been caused serious pollution, and wetting powder contains a large amount of dust; Bigger to the producer and user's harm, all these problems have all caused people's extensive concern.Thereby impel agricultural chemicals to develop along the good direction of efficient, low toxicity, safety, biorational and Environmental compatibility.People pay attention to the research and development to the formulations of pesticide more when strengthening the novel pesticide research and development, wherein be the direction that the pesticides new formulation of base has become world's formulations of pesticide research and development with water, and a kind of so just environment friendly agricultural preparation of aqueous emulsion.
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 is unique, and the activity of broad-spectrum high efficacy is arranged, and has been widely used in vegetables, fruit tree kind crop at present; 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 at present mainly contains wetting powder, water dispersible granules, suspending agent.
Summary of the invention
The objective of the invention is to overcome the shortcoming of prior art; With kresoxim-methyl is that former medicine prepares high-efficiency low-toxicity, low cost, environment amenable nuisanceless bactericide; Be the kresoxim-methyl aqueous emulsion, be used for powdery mildew, scab, downy mildew, the early blight of fruit tree, vegetables, the control of late blight.
Another object of the present invention is to propose the preparation method of above-mentioned kresoxim-methyl sterilizing aqueous emulsion.
The object of the invention is realized through following technical scheme:
A kind of kresoxim-methyl sterilizing aqueous emulsion, the percentage by weight of each component is in its prescription: the former medicine of kresoxim-methyl 1%~40%, solvent 10%~30%, anion emulsifier 2%~5%, nonionic emulsifier 2%~5%, antifreezing agent 1%~5%, water surplus.
Described solvent is selected from N; In dinethylformamide, cyclohexanone, toluene, xylol, dimethyl sulfoxide (DMSO), methyl alcohol, ethanol, 3-methyl cyclohexanol ketenes, N-octylpyrrolidone, N-pyrrolidones, propyl alcohol, butanols, ethylene glycol, diethylene glycol, EGME, butyl ether, ethyl acetate, vegetable oil, the acetonitrile one or more use that total consumption is no more than 30% when multiple.
Described anion emulsifier is selected from farming breast 500 #(alkyl benzene calcium sulfonate), OP series phosphate (NPE phosphate), 600 #In phosphate (phenyl phenol polyoxy ethyl ether phosphate), styrene polyoxyethylene ether ammonium sulfate salt, alkyl biphenyl ether disulfonic acid magnesium salts, the triethanolamine salt one or more use that total consumption is no more than 5% when multiple.
Described nonionic emulsifier is selected from farming breast 400 #(benzyl dimethyl phenol polyoxy ethyl ether), farming breast 600 #(phenyl phenol polyoxy ethyl ether), Nongru-700 #(alkylphenol-formaldehyde resin polyoxy ethyl ether), peaceful breast 36 #(phenethyl fluosite polyoxy ethyl ether), farming breast 1600 #(phenethyl phenol polyoxy ethyl polypropylene-base ether), ethylene oxide-propylene oxide block copolymer, OP series (NPE), By series (castor oil polyoxyethylene ether), farming breast 33 #(alkylaryl polyoxyethylene polyoxypropylene ether), farming breast 34 #In (alkylaryl polyoxyethylene poly-oxygen propylene aether), sapn series (sorbitan monostearate), tween series (sorbitan fatty acid ester APEO), the AEO series (the pure APEO of fat) one or more use that total consumption is no more than 5% when multiple.
Described frost resistance is selected from one or more in ethylene glycol, glycerine, propane diols, glycerine, polyethylene glycol or sorbierite, uses that total consumption is no more than 5% when multiple.
Described antifoaming agent is selected from one or more in silicone oil, silicone compound, C10-20 saturated fat acid compounds, the C8-10 aliphatic alcohols compound, uses that total consumption is no more than 0.5% when multiple.
Its manufacture craft of kresoxim-methyl aqueous emulsion of the present invention is following:
(1) with the former medicine of kresoxim-methyl, solvent, emulsifier, add together, make and be dissolved into even oil phase;
(2) water, antifreeze, antifoaming agent are mixed, become the homogeneous water;
(3) under high-speed stirred, water is added oil phase, can make kresoxim-methyl aqueous emulsion product.
Compared with prior art, kresoxim-methyl aqueous emulsion of the present invention and preparation method thereof has following advantage:
1, the present invention is a kind of new high-efficiency fungicide preparation, and the preventive effect of fruit tree powdery mildew, downy mildew, vegetables early blight, late blight is had significant drug effect.
2, kresoxim-methyl aqueous emulsion of the present invention is difficult for producing poisoning to environment, people and animals and other beneficial organism safety.
3, kresoxim-methyl aqueous emulsion flash-point of the present invention is high, does not nonflammablely explode, and produces to store and safe in utilization.
4, kresoxim-methyl aqueous emulsion of the present invention is base with water, aboundresources, and packing is easily.
5, kresoxim-methyl aqueous emulsion bin stability of the present invention is good, and storage at normal temperature can be deposited more than 2 years.
6, kresoxim-methyl aqueous emulsion of the present invention is with low cost, and preparing process is simple, is suitable for large scale application.
Embodiment
In order to understand the present invention better, below in conjunction with embodiment the present invention is described further, but the scope that the present invention requires to protect is not limited to the scope that embodiment representes.
Embodiment 1 5% kresoxim-methyl aqueous emulsion
5 parts of kresoxim-methyls
N, 5 parts of dinethylformamides
5 parts of dimethyl sulfoxide (DMSO)s
2 parts of alkyl benzene calcium sulfonates
1 part of triethanolamine salt
5 parts of phenyl phenol polyoxy ethyl ethers
5 parts of ethylene glycol
0.1 part of silicone compound
Water adds to 100 parts
Embodiment 2,12% kresoxim-methyl EW
12 parts of kresoxim-methyls
N, 10 parts of dinethylformamides
5 parts of dimethyl sulfoxide (DMSO)s
1 part of alkyl benzene calcium sulfonate
2 parts of triethanolamine salts
3 parts of phenyl phenol polyoxy ethyl ethers
2 parts of sorbitan monostearates
5 parts of ethylene glycol
0.1 part of silicone compound
Add water to 100 parts
Embodiment 3,20% kresoxim-methyl aqueous emulsion
20 parts of kresoxim-methyls
N, 15 parts of dinethylformamides
7 parts of dimethyl sulfoxide (DMSO)s
4 parts of alkyl benzene calcium sulfonates
1 part of phenyl phenol polyoxy ethyl ether
4 parts of sorbitan monostearates
5 parts of ethylene glycol;
0.1 part of silicone compound
Add water to 100 parts.
Embodiment 4,35% kresoxim-methyl aqueous emulsion
35 parts of kresoxim-methyls
N, 20 parts of dinethylformamides
10 parts of dimethyl sulfoxide (DMSO)s
3 parts of triethanolamine salts
5 parts of sorbitan monostearates
4 parts of ethylene glycol;
0.1 part of silicone compound
Add water to 100 parts.
The former medicine of kresoxim-methyl, solvent, anion emulsifier, nonionic emulsifier are added together by above-mentioned formula ratio, make and be dissolved into even oil phase; Water, antifreeze, antifoaming agent are mixed by formula ratio, become the homogeneous water; Under high-speed stirred, water is added oil phase, can make kresoxim-methyl aqueous emulsion of the present invention.
The application implementation example one control wheat powdery mildew test of pesticide effectiveness
Table 1 supplies reagent agent experimental scheme
Handle numbering Medicament Dispenser dosage (amount of formulation) Effective ingredient consumption
1 5% kresoxim-methyl aqueous emulsion 146.7g/ mu 110 gram/hectares
2 12% kresoxim-methyl aqueous emulsion 66.7g/ mu 120 gram/hectares
3 20% kresoxim-methyl aqueous emulsion 43.3g/ mu 130 gram/hectares
4 35% kresoxim-methyl aqueous emulsion 26.7g/ mu 140 gram/hectares
5 50% water dispersion granules agent of Kresoxim 18.7g/ mu 140 gram/hectares
6 30% kresoxim-methyl wetting powder 31.1g/ mu 140 gram/hectares
Investigation method: 5 samplings of every sub-district diagonal, 0.25 square metre of every some investigation, following first of every strain investigation boot leaf and boot leaf account for the percentage record of leaf area by scab during investigation, calculate disease index and preventive effect.Carry out efficacy survey respectively at investigating behind radix, the dispenser medicine 5 days, 10 days before the medicine.
0 grade: anosis
1 grade: lesion area accounts for whole leaf area below 5%;
3 grades: lesion area accounts for whole leaf area 6%~15%;
5 grades: lesion area accounts for whole leaf area 16%~25%;
7 grades: lesion area accounts for whole leaf area 26%~50%;
9 grades: lesion area accounts for whole leaf area more than 50%;
Two, computational methods:
Figure G2008101726689D00071
Figure G2008101726689D00072
In the formula: Ck 0For the disease of clear water check plot before the medicine refers to;
Pt 0For the disease of medicament treatment region before the medicine refers to;
Ck 1For the disease of clear water check plot behind the medicine refers to;
Pt 1For the disease in chemicals treatment district behind the medicine refers to.
Table 2 is handled chemical control wheat powdery mildew result of the test
Figure G2008101726689D00073
Can find out by table 2; Chemical control wheat powdery mildew effect of the present invention is better; During with the identical effective ingredient consumption of contrast medicament; Kresoxim-methyl aqueous emulsion drug effect of the present invention is superior to contrasting medicament, and preventive effect and 30% kresoxim-methyl wetting powder effective ingredient consumption, 140 gram/hectares are suitable during effective ingredient consumption 130 gram/hectares.So the present invention is superior to contrasting medicament to the wheat powdery mildew control efficiency, and to crop safety.
Practice the example two control pear scab tests of pesticide effectiveness
Table 3 supplies reagent agent experimental scheme
Handle numbering Medicament Dispenser dosage (amount of formulation) Effective ingredient consumption
1 5% kresoxim-methyl aqueous emulsion 500 100 mg/kg
2 12% kresoxim-methyl aqueous emulsion 1000 times 120 mg/kg
3 20% kresoxim-methyl aqueous emulsion 1500 133.3 mg/kg
4 35% kresoxim-methyl aqueous emulsion 2500 140 mg/kg
5 50% water dispersion granules agent of Kresoxim 3500 142.9 mg/kg
Control time: investigation blade (fruit) morbidity radix before the dispenser for the first time, investigated blade (fruit) incidence before later on each dispenser and after the dispenser in 10 days respectively.
Investigation method: investigate 2 strains of every sub-district, every strain Fen Dong, south, west, north, in 5 samplings, every 20 leaves getting current-year branch carry out the classification investigation, and calculate disease and refer to and control efficiency; Fruit is got 20 and is investigated.
Computational methods:
Figure G2008101726689D00081
Figure G2008101726689D00082
In the formula: Ck 0For the disease of clear water check plot before the medicine refers to;
Pt 0For the disease of medicament treatment region before the medicine refers to;
Ck 1For the disease of clear water check plot behind the medicine refers to;
Pt 1For the disease in chemicals treatment district behind the medicine refers to.
Table 4 is handled chemical control pear scab result of the test
Figure G2008101726689D00091
Can be known that by table 4 kresoxim-methyl aqueous emulsion of the present invention is superior to contrasting medicament to the pear scab control efficiency, effective ingredient consumption is little, to crop safety.
The present invention contains the aqueous emulsion of kresoxim-methyl, has reduced the consumption of organic solvent, and is safer to the producer, user; Environmentally friendly; Powdery mildew, downy mildew, early blight, late blight to fruit tree, vegetables have remarkable prevention effect, have reduced the active ingredient dosage, have reduced use cost.So the present invention is worth large scale application.

Claims (4)

1. kresoxim-methyl sterilizing aqueous emulsion; The weight of each component is in it is characterized in that filling a prescription: 5 parts of kresoxim-methyls, N, 5 parts of dinethylformamides, 5 parts of dimethyl sulfoxide (DMSO)s, 2 parts of alkyl benzene calcium sulfonates, 1 part of triethanolamine salt, 5 parts of phenyl phenol polyoxy ethyl ethers, 5 parts of ethylene glycol, 0.1 part of silicone compound, water add to 100 parts.
2. kresoxim-methyl sterilizing aqueous emulsion; The weight of each component is in it is characterized in that filling a prescription: 12 parts of kresoxim-methyls, N, add water to 100 parts at 10 parts of dinethylformamides, 5 parts of dimethyl sulfoxide (DMSO)s, 1 part of alkyl benzene calcium sulfonate, 2 parts of triethanolamine salts, 3 parts of phenyl phenol polyoxy ethyl ethers, 2 parts of sorbitan monostearates, 5 parts of ethylene glycol, 0.1 part of silicone compound.
3. kresoxim-methyl sterilizing aqueous emulsion; The weight of each component is in it is characterized in that filling a prescription: 20 parts of kresoxim-methyls, N, add water to 100 parts at 15 parts of dinethylformamides, 7 parts of dimethyl sulfoxide (DMSO)s, 4 parts of alkyl benzene calcium sulfonates, 1 part of phenyl phenol polyoxy ethyl ether, 4 parts of sorbitan monostearates, 5 parts of ethylene glycol, 0.1 part of silicone compound.
4. kresoxim-methyl sterilizing aqueous emulsion; The weight of each component is in it is characterized in that filling a prescription: 35 parts of kresoxim-methyls, N, add water to 100 parts at 20 parts of dinethylformamides, 10 parts of dimethyl sulfoxide (DMSO)s, 3 parts of triethanolamine salts, 5 parts of sorbitan monostearates, 4 parts of ethylene glycol, 0.1 part of silicone compound.
CN 200810172668 2008-11-06 2008-11-06 Kresoxim-methyl sterilizing aqueous emulsion and preparation method thereof Expired - Fee Related CN101444208B (en)

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CN101647430B (en) * 2009-09-04 2013-08-21 深圳诺普信农化股份有限公司 Kresoxim-methyl emulsion and preparation method thereof
CN103952244B (en) * 2014-04-18 2018-04-20 广东中实金属有限公司 A kind of aqueous cleaning agent for reducing wiring board cleaning pollutant emission
CN105309488A (en) * 2014-06-25 2016-02-10 陕西美邦农药有限公司 Bactericidal composition containing polygonum cuspidatum extract and azoxystrobin or kresoxim-methyl
CN104970054B (en) * 2015-04-14 2018-05-18 安徽农业大学 A kind of bactericide compounded preparation of the extract containing mao bamboon and preparation method thereof

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Publication number Priority date Publication date Assignee Title
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