CN102228042A - Bactericide suspending agent compounded from difenoconazole and pyraclostrobin and preparation method thereof - Google Patents
Bactericide suspending agent compounded from difenoconazole and pyraclostrobin and preparation method thereof Download PDFInfo
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Abstract
The invention relates to a bactericide suspending agent compounded from difenoconazole and pyraclostrobin and a preparation method thereof, belonging to the technical field of pesticides. The bactericide suspending agent is prepared from the following components in percentages by weight in the presence of 95% difenoconazole and 98% pyraclostrobin: 0.1-40% of difenoconazole, 0.1-40% of pyraclostrobin, 0.1-2% of antifoaming agent, 0.5-20% of wetting agent, 0.5-20% of dispersing agent, 0.1-4% of antifreezing agent, 0.1-5% of thickening agent, 0.1-4% of pH value regulator, 0.1-10% of stabilizer, 0.1-5% of penetrating agent and the balance of deionized water. The bactericide suspending agent has the advantages of high efficiency, low toxicity, no pollution and safety for environment, human and livestock and is difficult for pathogenic bacteria to generate resistance.
Description
Technical field
The present invention relates to composite bactericide suspending agent of a kind of Difenoconazole and pyraclostrobin and preparation method thereof, belong to technical field of pesticides.
Background technology
Pesticidal preparations is progressively to safe, environmental protectionization, water baseization development, and 1. agricultural chemicals suspension agent does not have dust harzard owing to have the following advantages, to operator and Environmental security; 2. be dispersion medium with water, do not have the inflammable and drug injury problem that produces by organic solvent; 3. compare with wetting powder, allow to select for use the former medicine of different-grain diameter, so that make the biological effect of preparation and physical stability reach best; 4. liquid suspension spreads in water well, can directly make spray liquid and use; 5. than great, packaging volume is little.6. the dispersiveness of suspending agent and plate-out ability are all relatively good, the suspensibility height, and the ability that sticks to the plant corpus surface is more intense, resistance of rainwater washing against, thereby drug effect significantly and also compares lastingly than wetting powder.7. have that particle is little, active surface is big, penetration is strong, do not have dust when making up a prescription, characteristics such as cost is low, drug effect height.And have the advantage of wetting powder and missible oil concurrently, and can be moistening by water, suspension is good behind the thin up.Agricultural chemicals suspension agent be after a kind of formulation of large usage quantity in the formulations of pesticide utilizations.
Difenoconazole; chemical name: suitable; instead-and 3-chloro-4-[4-methyl-2-1H-1,2,4-triazol-1-yl methyl)-1; 3-two mute pentane-2-yls) phenyl 4-chlorphenyl ether is (suitable; inverse proportion is about 45:55), have protection, treatment and systemic activity, be sterol demethylation inhibitor; suppress the biosynthesis of cell wall sterol, stop fungi growth.Fungicidal spectrum is wide, and leaf surface treatment or seed treatment can improve output and the guaranteed quality of crop.To Ascomycetes, Basidiomycetes and comprise Alternaria, Ascochyta, the mould genus of tail spore, Colletotrichum, ball Cuo Pseudomonas, Phoma, Ramularia, Septoria, Venturia partly know disease, Erysiphaceae, Uredinales and some are planted and are passed pathogen lasting protection and therapeutic action are arranged.Also fine to bitter rot or anthracnose of grape, white rot effect.
The Difenoconazole preparation of present domestic registration mainly be single agent emulsifiable solution, single agent suspending agent, single agent aqueous emulsion, single agent microemulsion and dispersive granule and with other bactericide compounded suspending agent, aqueous emulsion, microemulsion and dispersive granule, do not see the bactericide suspending agent composite with pyraclostrobin.
Pyraclostrobin, chemical name: N-2 one [1 one (4 monochloro-benzenes) 1H-pyrazoles-3-yloxymethyl] phenyl (N one methoxyl group) methyl carbamate is a methoxy acrylic bactericide.Efficiently, wide spectrum; have protection, treat, root out, permeate and interior absorption, nearly all mycota (Ascomycotina, Basidiomycotina, Mastigomycotina and Deuteromycotina) disease such as powdery mildew, rust, glume blight, net blotch, downy mildew, rice blast etc. are all had good activity.Can be used for cauline leaf spraying, seed treatment, also can carry out soil treatment.
The pyraclostrobin preparation of present domestic registration mainly be single agent emulsifiable solution, with the composite dispersive granule of other agricultural chemicals, do not see the bactericide suspending agent composite with Difenoconazole.
Single agent product of above-mentioned two kinds of agricultural chemicals in use develops immunity to drugs at present, and drug effect descends much than before, and the control cost also obviously increases.
Summary of the invention
The objective of the invention is to overcome the defective of Difenoconazole and pyraclostrobin list agent product, composite bactericide suspending agent of little Difenoconazole of a kind of good drug efficacy, pesticide resistance and pyraclostrobin and preparation method thereof is provided.
For achieving the above object, the technical solution adopted in the present invention is:
The bactericide suspending agent that a kind of Difenoconazole and pyraclostrobin are composite, formulated by following components in weight percentage: as to be 95% at the content of Difenoconazole, the content of pyraclostrobin is under 98% the situation, Difenoconazole 0.1%～40%, pyraclostrobin 0.1%～40%, defoamer 0.1%～2%, wetting agent 0.5%～20%, dispersant 0.5%～20%, antifreezing agent 0.1%～4%, thickener 0.1%～5%, pH value conditioning agent 0.1%～4%, stabilizing agent 0.1%～10%, bleeding agent 0.1%～5%, surplus are deionized water.
The ratio of the percentage by weight of described Difenoconazole is 10%～40%, and the ratio of the percentage by weight of pyraclostrobin is 10%～40%.
The ratio of the percentage by weight of described defoamer is 0.2%～1.5%, and defoamer is organic silicone, silicone oil, polyethers, C
10～20Saturated fat acids, C
8～10In the aliphatic alcohols any one or multiple mixture are as AntifoamTS, Tegomer V-Si 4042, ZBH-305B, lauric acid, 16 carbonic acid etc.AntifoamTS is the product of Shanghai rising sun trade Co., Ltd.Tegomer V-Si 4042 fills in the product of company admittedly for German moral.ZBH-305B is the product of precious chemical industry Co., Ltd in the Qingdao.
The ratio of the percentage by weight of described wetting agent is 0.5%～4%; wetting agent is one or more in alkylnaphthalene sulfonate, fatty acid amide N methyl taurine salt, alkylsulfonate, alkylaryl polyoxyethylene ether sulfate, the fat fatty alcohol-polyoxyethylene ether etc., as lauryl sodium sulfate, draw back powder, dodecyl sulphate barium, MorwetEFW, TERWET1004 etc.MorwetEFW is the product of Akzo Nobel (AKZO NOBEL) company.TERWET1004 selects the deliver a letter product of chemical industry Co., Ltd of Shanghai for use.
The ratio of the percentage by weight of described dispersant is 0.5%～4%, dispersant is one or more in alkyl sodium salt, lignosulfonates and derivative thereof, naphthalenesulfonic acid-formaldehyde condensate, alkylphenol-polyethenoxy and formaldehyde condensation products sulphate, polycarboxylate and derivative thereof, cresols-formaldehyde and sodium sulphite condensation product, alkylaryl sulfonates phenethyl phenol polyethenoxy ether and the derivative thereof etc., as wooden sodium sulfonate, MorwetD-425, MorwetD-110, TERSPENSE2425, TERSPENSE2700 etc.MorwetD-425, MorwetD-110 are the product of Akzo Nobel (AKZO NOBEL) company.
The ratio of the percentage by weight of described antifreezing agent is 0.5%～2%, and antifreezing agent is any one or the multiple mixture in ethylene glycol, propane diols, urea, the glycerine.
The ratio of the percentage by weight of described thickener is 0.5%～2%, and thickener is any one or the multiple mixture in xanthans, sodium carboxymethylcellulose, starch, pectin, the Magnesiumaluminumsilicate.The product that sodium carboxymethylcellulose selects for use Xinfeng, Dacheng County, Hebei province cellulose factory to produce.
The ratio of the percentage by weight of described pH value conditioning agent is 0.5%～2%, and the pH value conditioning agent is any one or the multiple mixture in citric acid, malic acid, the sodium bicarbonate.
The ratio of the percentage by weight of described stabilizing agent is 0.5%～2%, and stabilizing agent is 1,2-benzisothiazole-3-ketone, tributyl phosphate, 2,5-dimethyl-2, any one in the 4-hexadiene or multiple mixture; The ratio of the percentage by weight of described bleeding agent is 0.5%～2%, and bleeding agent is any one or the multiple mixture that draws back in powder, bleeding agent LS, the lauryl sodium sulfate.Bleeding agent LS is the product that the Suzhou connection wins chemical Co., Ltd.
The preparation method of the bactericide suspending agent that a kind of Difenoconazole and pyraclostrobin are composite may further comprise the steps:
1) earlier wetting agent, dispersant, pH value conditioning agent, bleeding agent, defoamer, stabilizing agent, antifreezing agent are proportionally joined in the deionized water, stir;
2) in the material of step 1) gained, add Difenoconazole and pyraclostrobin again, continue to stir;
3) with step 2) material of gained carries out sand milling, and the particle diameter of Difenoconazole and pyraclostrobin is reached below 2.5 microns;
4) add thickener, stir.
The present invention have produce to store and safe in utilization, environmental pollution is little, low cost and other advantages.
The invention provides a kind of efficient, low toxicity, pollution-free, environment, people, animal safety and germ be difficult for are produced composite bactericide suspending agent of the Difenoconazole of resistance and pyraclostrobin and preparation method thereof, said preparation is with water to replace organic solvent, physics peptizaiton by high shear dispersion machine and horizontal sand mill, make Difenoconazole and pyraclostrobin with the particle size dispersion below 2.5 microns in water, form milky suspension formulation.The preparation of this technology is simple, production cost is low.
Technical indicator of the present invention is:
The project indicator
Difenoconazole content 0.1%-40%;
Pyraclostrobin content 0.1%-40%;
Particle diameter (98%) 1-2 micron;
Suspensibility 〉=95%;
PH value
Heat storage stability (54 ± 2 ℃, 14 days)
Difenoconazole resolution ratio≤2%,
Pyraclostrobin resolution ratio≤1.5%.
Embodiment
The invention will be further described below by specific embodiment, but the present invention is not limited by following examples.
Embodiment 1
The bactericide suspending agent that a kind of Difenoconazole and pyraclostrobin are composite, formulated by following components in weight percentage: as to be 95% at the content of Difenoconazole, the content of pyraclostrobin is under 98% the situation, Difenoconazole 40%, pyraclostrobin 20%, defoamer 1.5%, wetting agent 4%, dispersant 5%, antifreezing agent 0.5%, thickener 5%, pH value conditioning agent 0.2%, stabilizing agent 10%, bleeding agent 0.3%, surplus are deionized water.
Wherein, defoamer is AntifoamTS, and wetting agent is MorwetEFW, and dispersant is MorwetD-425, antifreezing agent is a propane diols, and thickener is a Magnesiumaluminumsilicate, and the pH value conditioning agent is a citric acid, stabilizing agent is 1, and 2-benzisothiazole-3-ketone, bleeding agent are bleeding agent LS.
Preparation method of the present invention may further comprise the steps:
1) earlier wetting agent, dispersant, pH value conditioning agent, bleeding agent, defoamer, stabilizing agent, antifreezing agent are proportionally joined in the deionized water, stir by the high shear dispersion machine;
2) in the material of step 1) gained, add Difenoconazole and pyraclostrobin again, continue to stir;
3) with step 2) material of gained sends into horizontal sand mill and carries out sand milling, and the particle diameter of Difenoconazole and pyraclostrobin is reached below 2.5 microns;
4) add thickener, stir.
Embodiment 2
The bactericide suspending agent that a kind of Difenoconazole and pyraclostrobin are composite, formulated by following components in weight percentage: as to be 95% at the content of Difenoconazole, the content of pyraclostrobin is under 98% the situation, Difenoconazole 30%, pyraclostrobin 20%, defoamer 0.1%, wetting agent 6%, dispersant 5%, antifreezing agent 0.2%, thickener 5%, pH value conditioning agent 0.2%, stabilizing agent 2.5%, bleeding agent 0.5%, surplus are deionized water.
Wherein, defoamer is Tegomer V-Si 4042, and wetting agent is MorwetEFW, and dispersant is MorwetD-425, antifreezing agent is a propane diols, and thickener is an xanthans, and the pH value conditioning agent is a citric acid, stabilizing agent is 1, the 2-benzisothiazole-3-ketone, and bleeding agent is for drawing back powder.
Preparation method of the present invention may further comprise the steps:
1) earlier wetting agent, dispersant, pH value conditioning agent, bleeding agent, defoamer, stabilizing agent, antifreezing agent are proportionally joined in the deionized water, stir by the high shear dispersion machine;
2) in the material of step 1) gained, add Difenoconazole and pyraclostrobin again, continue to stir;
3) with step 2) material of gained sends into horizontal sand mill and carries out sand milling, and the particle diameter of Difenoconazole and pyraclostrobin is reached below 2.5 microns;
4) add thickener, stir.
Embodiment 3
The bactericide suspending agent that a kind of Difenoconazole and pyraclostrobin are composite, formulated by following components in weight percentage: as to be 95% at the content of Difenoconazole, the content of pyraclostrobin is under 98% the situation, Difenoconazole 20%, pyraclostrobin 20%, defoamer 0.2%, wetting agent 5%, dispersant 6%, antifreezing agent 0.3%, thickener 4%, pH value conditioning agent 0.3%, stabilizing agent 2%, bleeding agent 0.8%, surplus are deionized water.
Wherein, defoamer is Tegomer V-Si 4042, and wetting agent is MorwetEFW, and dispersant is MorwetD-425, antifreezing agent is a propane diols, and thickener is an xanthans, and the pH value conditioning agent is a citric acid, stabilizing agent is 1, the 2-benzisothiazole-3-ketone, and bleeding agent is for drawing back powder.
Preparation method of the present invention may further comprise the steps:
1) earlier wetting agent, dispersant, pH value conditioning agent, bleeding agent, defoamer, stabilizing agent, antifreezing agent are proportionally joined in the deionized water, stir by the high shear dispersion machine;
2) in the material of step 1) gained, add Difenoconazole and pyraclostrobin again, continue to stir;
3) with step 2) material of gained sends into horizontal sand mill and carries out sand milling, and the particle diameter of Difenoconazole and pyraclostrobin is reached below 2.5 microns;
4) add thickener, stir.
Embodiment 4
The bactericide suspending agent that a kind of Difenoconazole and pyraclostrobin are composite, formulated by following components in weight percentage: as to be 95% at the content of Difenoconazole, the content of pyraclostrobin is under 98% the situation, Difenoconazole 10%, pyraclostrobin 40%, defoamer 2%, wetting agent 4%, dispersant 4%, antifreezing agent 0.5%, thickener 2%, pH value conditioning agent 2%, stabilizing agent 0.5%, bleeding agent 2%, surplus are deionized water.
Wherein, defoamer is ZBH-305B, and wetting agent is a dodecyl sulphate barium, dispersant is a sodium lignin sulfonate, and antifreezing agent is a glycerine, and thickener is a pectin, the pH value conditioning agent is the mixture of malic acid and citric acid, and stabilizing agent is a tributyl phosphate, and bleeding agent is a lauryl sodium sulfate.
Preparation method of the present invention may further comprise the steps:
1) earlier wetting agent, dispersant, pH value conditioning agent, bleeding agent, defoamer, stabilizing agent, antifreezing agent are proportionally joined in the deionized water, stir by the high shear dispersion machine;
2) in the material of step 1) gained, add Difenoconazole and pyraclostrobin again, continue to stir;
3) with step 2) material of gained sends into horizontal sand mill and carries out sand milling, and the particle diameter of Difenoconazole and pyraclostrobin is reached below 2.5 microns;
4) add thickener, stir.
Embodiment 5
The bactericide suspending agent that a kind of Difenoconazole and pyraclostrobin are composite, formulated by following components in weight percentage: as to be 95% at the content of Difenoconazole, the content of pyraclostrobin is under 98% the situation, Difenoconazole 40%, pyraclostrobin 10%, defoamer 1.0%, wetting agent 0.5%, dispersant 0.5%, antifreezing agent 2%, thickener 0.5%, pH value conditioning agent 0.5%, stabilizing agent 1.5%, bleeding agent 5%, surplus are deionized water.
Wherein, defoamer is ZBH-305B, and wetting agent is a dodecyl sulphate barium, and dispersant is a sodium lignin sulfonate, and antifreezing agent is a urea, and thickener is a pectin, and the pH value conditioning agent is a sodium bicarbonate, and stabilizing agent is a tributyl phosphate, and bleeding agent is a lauryl sodium sulfate.
Preparation method of the present invention may further comprise the steps:
1) earlier wetting agent, dispersant, pH value conditioning agent, bleeding agent, defoamer, stabilizing agent, antifreezing agent are proportionally joined in the deionized water, stir by the high shear dispersion machine;
2) in the material of step 1) gained, add Difenoconazole and pyraclostrobin again, continue to stir;
3) with step 2) material of gained sends into horizontal sand mill and carries out sand milling, and the particle diameter of Difenoconazole and pyraclostrobin is reached below 2.5 microns;
4) add thickener, stir.
The foregoing description only is used to the inventive concept of the present invention of explaining, but not to the qualification of rights protection of the present invention, allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should fall into protection scope of the present invention.
Claims (10)
1. Difenoconazole and the composite bactericide suspending agent of pyraclostrobin, it is characterized in that by following components in weight percentage formulated: be 95% at the content of Difenoconazole, the content of pyraclostrobin is under 98% the situation, Difenoconazole 0.1%～40%, pyraclostrobin 0.1%～40%, defoamer 0.1%～2%, wetting agent 0.5%～20%, dispersant 0.5%～20%, antifreezing agent 0.1%～4%, thickener 0.1%～5%, pH value conditioning agent 0.1%～4%, stabilizing agent 0.1%～10%, bleeding agent 0.1%～5%, surplus are deionized water.
2. a kind of according to claim 1 Difenoconazole and the composite bactericide suspending agent of pyraclostrobin is characterized in that: the ratio of the percentage by weight of described Difenoconazole is 10%～40%, and the ratio of the percentage by weight of pyraclostrobin is 10%～40%.
3. a kind of according to claim 1 Difenoconazole and the composite bactericide suspending agent of pyraclostrobin is characterized in that: the ratio of the percentage by weight of described defoamer is 0.2%～1.5%, and defoamer is organic silicone, silicone oil, polyethers, C
10～20Saturated fat acids, C
8～10In the aliphatic alcohols any one or multiple mixture.
4. a kind of according to claim 1 Difenoconazole and the composite bactericide suspending agent of pyraclostrobin; it is characterized in that: the ratio of the percentage by weight of described wetting agent is 0.5%～4%, and wetting agent is one or more in alkylnaphthalene sulfonate, fatty acid amide N methyl taurine salt, alkylsulfonate, alkylaryl polyoxyethylene ether sulfate, the fat fatty alcohol-polyoxyethylene ether etc.
5. a kind of according to claim 1 Difenoconazole and the composite bactericide suspending agent of pyraclostrobin, it is characterized in that: the ratio of the percentage by weight of described dispersant is 0.5%～4%, and dispersant is one or more in alkyl sodium salt, lignosulfonates and derivative thereof, naphthalenesulfonic acid-formaldehyde condensate, alkylphenol-polyethenoxy and formaldehyde condensation products sulphate, polycarboxylate and derivative thereof, cresols-formaldehyde and sodium sulphite condensation product, alkylaryl sulfonates phenethyl phenol polyethenoxy ether and the derivative thereof etc.
6. a kind of according to claim 1 Difenoconazole and the composite bactericide suspending agent of pyraclostrobin, it is characterized in that: the ratio of the percentage by weight of described antifreezing agent is 0.5%～2%, and antifreezing agent is any one or the multiple mixture in ethylene glycol, propane diols, urea, the glycerine.
7. a kind of according to claim 1 Difenoconazole and the composite bactericide suspending agent of pyraclostrobin, it is characterized in that: the ratio of the percentage by weight of described thickener is 0.5%～2%, and thickener is any one or the multiple mixture in xanthans, sodium carboxymethylcellulose, starch, pectin, the Magnesiumaluminumsilicate.
8. a kind of according to claim 1 Difenoconazole and the composite bactericide suspending agent of pyraclostrobin, it is characterized in that: the ratio of the percentage by weight of described pH value conditioning agent is 0.5%～2%, and the pH value conditioning agent is any one or the multiple mixture in citric acid, malic acid, the sodium bicarbonate.
9. a kind of according to claim 1 Difenoconazole and the composite bactericide suspending agent of pyraclostrobin, it is characterized in that: the ratio of the percentage by weight of described stabilizing agent is 0.5%～2%, stabilizing agent is 1,2-benzisothiazole-3-ketone, tributyl phosphate, 2,5-dimethyl-2, any one in the 4-hexadiene or multiple mixture; The ratio of the percentage by weight of described bleeding agent is 0.5%～2%, and bleeding agent is any one or the multiple mixture that draws back in powder, bleeding agent LS, the lauryl sodium sulfate.
10. preparation method of the composite bactericide suspending agent of Difenoconazole and pyraclostrobin according to claim 1 is characterized in that may further comprise the steps:
1) earlier wetting agent, dispersant, pH value conditioning agent, bleeding agent, defoamer, stabilizing agent, antifreezing agent are proportionally joined in the deionized water, stir;
2) in the material of step 1) gained, add Difenoconazole and pyraclostrobin again, continue to stir;
3) with step 2) material of gained carries out sand milling, and the particle diameter of Difenoconazole and pyraclostrobin is reached below 2.5 microns;
4) add thickener, stir.
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| CN107897199A (en) * | 2017-12-29 | 2018-04-13 | 上海悦联生物科技有限公司 | A kind of composite bactericide composition of difenoconazole and pyraclostrobin |
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| CN102657199B (en) * | 2012-05-08 | 2013-08-07 | 杭州宇龙化工有限公司 | Sterilization composition containing difenodiconazole and pyraclostrobin |
| CN102657199A (en) * | 2012-05-08 | 2012-09-12 | 杭州宇龙化工有限公司 | Sterilization composition containing difenodiconazole and pyraclostrobin |
| CN102805090A (en) * | 2012-07-11 | 2012-12-05 | 广东中迅农科股份有限公司 | Pyraclostrobin aqueous suspension agent and preparation method of pyraclostrobin aqueous suspension agent |
| CN103563938A (en) * | 2012-08-05 | 2014-02-12 | 南京华洲药业有限公司 | Bactericidal composition containing pyraclostrobin and difenoconazole and application thereof |
| CN102919255A (en) * | 2012-10-31 | 2013-02-13 | 青岛润生农化有限公司 | Agricultural compound fungicide |
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| CN103314968A (en) * | 2013-06-09 | 2013-09-25 | 江苏辉丰农化股份有限公司 | Bactericidal composition with synergistic effect |
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Application publication date: 20111102 |