CN103120167A - Dimethomorph dispersible oil suspending agent - Google Patents
Dimethomorph dispersible oil suspending agent Download PDFInfo
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- CN103120167A CN103120167A CN2013100127756A CN201310012775A CN103120167A CN 103120167 A CN103120167 A CN 103120167A CN 2013100127756 A CN2013100127756 A CN 2013100127756A CN 201310012775 A CN201310012775 A CN 201310012775A CN 103120167 A CN103120167 A CN 103120167A
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Abstract
The invention relates to a pesticide preparation for preventing and treating fungal diseases. A dispersible pesticide oil suspending agent which is prepared by taking dimethomorph (which is the English common name) as an effective component and mixing, grinding and dispersing with a surfactant, an auxiliary surfactant, a stabilizing agent and an oil-base dispersion medium according to a reasonable ratio is applicable to preventing and treating fungal disease downy mildews on vegetables, free trees and grapes.
Description
Technical field
But the present invention relates to dimethomorph dispersed oil suspending agent and preparation method thereof, belong to pesticide formulation process technology region.
Background technology
Along with the raising of global ecological environment and health perception, formulations of pesticide exploitations is just towards the future development of efficient, low toxicity, low-residual.Under the situation of current novel agrochemical compound initiative more difficult, improve the serviceability of agricultural chemicals, the biologically active of giving full play to active ingredient and usefulness by advanced person's formulation method, become the important channel of improving the pesticide control effect, reducing residual contamination, saving the dispenser cost.
Dimethomorph is single-minded ovicidal Gammaproteobacteria fungi bactericide, is widely used in vegetables downy mildew, epidemic disease, seedling stage damping off, black shank etc. by the fungus-caused disease control of Mastigomycotina Oomycete, the tool systemic activity; Belong to high activity, be insoluble in the organic compound of water, must add the auxiliary elements such as carrier, filler, emulsifier and dispersant, be mixed with various types of preparations and just can be convenient to the field and use, the formulation of registration mainly contains wetting powder, suspending agent, water dispersible granules at present.These conventional dosage forms in use exist to water liquid to the target crop wetting poor with deposition properties, run off serious, waste on the one hand a large amount of medicaments, also causing in addition the series of problems such as environmental pollution, is that it is efficient, the key technical problem of safety and science use in restriction.
Utilize turpentine-based vegetable oil or methylated vegetable oil to replace water as dispersion medium, but pesticide processing is become dispersed oil suspending agent formulation, can better solve on the one hand in pesticide active ingredient processing and storage instability problem such as water decompositions, on the other hand due to vegetable oil itself have to the good adhesion of target with stick characteristic, can improve pesticide active ingredient to the deposition of target and hold and stay efficient, thereby having improved pesticide efficacy.
Based on above-mentioned technical background analysis, but being processed into the dispersed oil suspending agent, dimethomorph will have significant using value and market potential.
Summary of the invention
The object of the invention is to release a kind of novel agrochemical formulation that effective rate of utilization is high, loss is low that can be applicable to control fungal disease downy mildew on vegetables, fruit tree, grape, thereby improve pesticidal preparations quality level, reduce to the loss of environment and pollute and along losing, realize the sustainable development of the formulations of pesticide.
To achieve these objectives, 1. the present invention selects present highly active dimethomorph is active ingredient, through optimization of C/C composites, improves the quality of the pharmaceutical preparations, can produce rapidly economic and social profit.At present, the research report that also there is no this respect.2. utilize turpentine-based vegetable oil or methylated vegetable oil to replace water as dispersion medium, can improve the ability of the anti-hard water of preparation, the variation of heatproof degree, thereby make preparation have better anti-bin stability.3. according to present China dimethomorph suspending agent processing status, utilize turpentine-based vegetable oil or methylated vegetable oil to replace water as dispersion medium, can utilize existing equipment production fully, do not need the investment that increases manufacturing facilities in addition.
The technical solution used in the present invention is: but a kind of dimethomorph dispersed oil suspending agent is characterized in that: and 1. pesticide active ingredient is dimethomorph (English general dimethomorph by name); 2. non-ionic surface active agent is the mixture of castor oil polyoxyethylene ether, alkylphenol polyoxyethylene, triphen ethyl-phenol polyoxyethylene polyoxypropylene block polymer; 3. anion surfactant is the mixture of calcium dodecyl benzene sulfonate, alkylnaphthalene sulfonate, nekal; 4. cosurfactant is mixtures some in isopropyl alcohol, butanols, octanol or two; 5. stabilizing agent is one or two mixture in organobentonite, diatomite, Magnesiumaluminumsilicate; 6. dispersion medium is one or both the mixture in turpentine-based vegetable oil, methylated vegetable oil.
Wherein, but dimethomorph dispersed oil suspending agent of the present invention, and the best effectively working concentration of pesticide active ingredient dimethomorph is 5～35%; Non-ionic surface active agent used is T-80, triphen ethyl-phenol polyoxyethylene polyoxypropylene block polymer and the acrylic acid graft copolymer weight percentage mixture of 5: 4: 4, or T-80, phenethyl phenol polyethenoxy ether and the acrylic acid graft copolymer weight percentage mixture of 3: 2: 2, best effectively working concentration is 3～10%; Anion surfactant used is calcium dodecyl benzene sulfonate and the alkylnaphthalene sulfonate weight percentage mixture of 1: 1, and best effectively working concentration is 3～10%; Cosurfactant used is isopropyl alcohol, butanols, octanol, or isopropyl alcohol and the octanol weight percentage mixture of 2: 1%, and best effectively working concentration is 3～10%; Stabilizing agent used is organobentonite, Magnesiumaluminumsilicate, or organobentonite and the diatomite weight percentage mixture of 1: 3%, and best effectively working concentration is 1～10%; Dispersion medium used is turpentine-based vegetable oil, methylated vegetable oil, or two kinds of substance weight percentage compositions mixture of 2: 1%, and its effective working concentration is 20～90%.
But dimethomorph dispersed oil suspending agent of the present invention, at first its typical preparation method accurately takes dispersion medium, non-ionic surface active agent, anion surfactant, cosurfactant by formula rate, add in blender and fully mix, and then the former medicine of the dimethomorph that adds formula ratio and stabilizing agent, (6000-8000r/min) shear-mixed 5min at a high speed, advance horizontal sand mill and carry out wet grinding, reach the regulation technical indicator and be qualified products.
But dimethomorph dispersed oil suspending agent of the present invention, it is mainly used in control fungal disease downy mildew on vegetables, fruit tree, grape.
Embodiment
Be further described the present invention below by embodiment in order to illustrate better.But what it should be appreciated by those skilled in the art is that the application not merely is limited to the scope of following embodiment.
Embodiment 1:
Burn in wide-mouth bottle at 1500 milliliters of glass, add 1: 1 mixture 20 gram of 747.4 gram turpentine-based vegetable oils, T-80+phenethyl phenol polyethenoxy ether+acrylic acid graft copolymer 3: 2: 2 mixture 60 grams, calcium dodecyl benzene sulfonate and alkylnaphthalene sulfonate, isopropyl alcohol 40 grams, mix; Adding purity is 95% former medicine 52.6 grams of dimethomorph, organobentonite 80 grams again, mixing rear high speed (6000-8000r/min) sheared 5 minutes, then enter sand mill and grind, but namely get 5% dimethomorph dispersed oil suspending agent after the key technical indexes reaches standard-required.
Embodiment 2:
Burn in wide-mouth bottle at 1500 milliliters of glass, add 1: 1 mixture 20 gram of 642.1 gram turpentine-based vegetable oils, T-80+phenethyl phenol polyethenoxy ether+acrylic acid graft copolymer 3: 2: 2 mixture 80 grams, calcium dodecyl benzene sulfonate and alkylnaphthalene sulfonate, octanol 40 grams, mix; Adding purity is 95% former medicine 157.9 grams of dimethomorph, Magnesiumaluminumsilicate 60 grams again, mixing rear high speed (6000-8000r/min) sheared 5 minutes, then enter sand mill and grind, but namely get 15% dimethomorph dispersed oil suspending agent after the key technical indexes reaches standard-required.
Embodiment 3:
Burn in wide-mouth bottle at 1500 milliliters of glass, add 589.5 gram turpentine-based vegetable oils and methylated vegetable oil 2: 1 mixtures, T-80+triphen ethyl-phenol polyoxyethylene polyoxypropylene block polymer+acrylic acid graft copolymer 5: 4: 4 mixture 80 grams, calcium dodecyl benzene sulfonate and alkylnaphthalene sulfonate 1: 1 mixture 40 gram, isopropyl alcohol and 2: 1 mixture 40 grams of octanol, mix; Adding purity is 95% former medicine 210.5 grams of dimethomorph, organobentonite and 1: 3 mixture 40 gram of diatomite again, mixing rear high speed (6000-8000r/min) sheared 5 minutes, then enter sand mill and grind, but namely get 20% dimethomorph dispersed oil suspending agent after the key technical indexes reaches standard-required.
Embodiment 4:
Burn in wide-mouth bottle at 1500 milliliters of glass, add 504.2 gram turpentine-based vegetable oils and methylated vegetable oil 2: 1 mixtures, T-80+triphen ethyl-phenol polyoxyethylene polyoxypropylene block polymer+acrylic acid graft copolymer 5: 4: 4 mixture 80 grams, calcium dodecyl benzene sulfonate and alkylnaphthalene sulfonate 1: 1 mixture 40 gram, isopropyl alcohol and 2: 1 mixture 40 grams of octanol, mix; Adding purity is 95% former medicine 315.8 grams of dimethomorph, organobentonite and 1: 3 mixture 20 gram of diatomite again, mixing rear high speed (6000-8000r/min) sheared 5 minutes, then enter sand mill and grind, but namely get 30% dimethomorph dispersed oil suspending agent after the key technical indexes reaches standard-required.
Embodiment 5:
Burn in wide-mouth bottle at 1500 milliliters of glass, add 451.6 gram turpentine-based vegetable oils and methylated vegetable oil 2: 1 mixtures, T-80+triphen ethyl-phenol polyoxyethylene polyoxypropylene block polymer+acrylic acid graft copolymer 5: 4: 4 mixture 80 grams, calcium dodecyl benzene sulfonate and alkylnaphthalene sulfonate 1: 1 mixture 40 gram, isopropyl alcohol and 2: 1 mixture 40 grams of octanol, mix; Adding purity is 95% former medicine 368.4 grams of dimethomorph, Magnesiumaluminumsilicate 20 grams again, mixing rear high speed (56000-8000r/min) sheared 5 minutes, then enter sand mill and grind, but namely get 35% dimethomorph dispersed oil suspending agent after the key technical indexes reaches standard-required.
According to the relevant agricultural chemicals national standard of China or industry standard (GB/T14825-2006 agricultural-chemical suspension rate assay method, GB/T19136-2003 agricultural chemicals heat storage stability assay method, GB/T19137-2003 agricultural chemicals low-temperature stability assay method, HG/T2467.5-2003 agricultural chemicals suspension agent product standard is write standard) regulation, but dimethomorph dispersed oil suspending agent the key technical indexes of the present invention is measured, and result is as shown in table 1:
But table 1 dimethomorph dispersed oil suspending agent the key technical indexes measurement result table
But for verifying dimethomorph dispersed oil suspending agent of the present invention effect in actual applications, carried out embodiment 4 (but 30% dimethomorph dispersed oil suspending agent) control cucumber downy mildew field control effectiveness test in 2012 in Shouguang, Shandong, result of the test is as shown in table 2.Field test results shows, has shown preventive effect preferably in the practical application of field control cucumber downy mildew; Under Isodose, a little higher than contrast medicament of preventive effect.Utilize organosilicon S-408 and methylated vegetable oil GY-T as the mixed auxiliary agent of field bucket, spraying liquid at mu reduces under 1/3rd conditions, reduce the effective using dosage 30% of agricultural chemicals, shown preventive effect preferably in the practical application of field control cucumber downy mildew, suitable with the contrast medicament, to crop safety.
Table 230% dimethomorph control cucumber downy mildew result of the test (2012, Shouguang, Shandong)
Claims (9)
1. but dimethomorph dispersed oil suspending agent is characterized in that each component and title are as follows:
1. pesticide active ingredient is dimethomorph (English general dimethomorph by name);
2. non-ionic surface active agent is the mixture of castor oil polyoxyethylene ether, alkylphenol polyoxyethylene, triphen ethyl-phenol polyoxyethylene polyoxypropylene block polymer;
3. anion surfactant is the mixture of calcium dodecyl benzene sulfonate, alkylnaphthalene sulfonate, nekal;
4. cosurfactant is mixtures some in isopropyl alcohol, butanols, octanol or two;
5. stabilizing agent is one or two mixture in organobentonite, diatomite, Magnesiumaluminumsilicate;
6. dispersion medium is one or both the mixture in turpentine-based vegetable oil, methylated vegetable oil.
2. but dimethomorph dispersed oil suspending agent according to claim 1, is characterized in that the best effectively working concentration of pesticide active ingredient dimethomorph is 5～35%.
3. but dimethomorph dispersed oil suspending agent according to claim 1, non-ionic surface active agent used is T-80, triphen ethyl-phenol polyoxyethylene polyoxypropylene block polymer and the acrylic acid graft copolymer weight percentage mixture of 5: 4: 4, or in T-80, phenethyl phenol polyethenoxy ether and the acrylic acid graft copolymer weight percentage mixture of 3: 2: 2, best effectively working concentration is 3～10%.
But 4. dimethomorph dispersed oil suspending agent according to claim 1, anion surfactant used is calcium dodecyl benzene sulfonate and the alkylnaphthalene sulfonate weight percentage mixture of 1: 1, best effectively working concentration is 3～10%.
But 5. dimethomorph dispersed oil suspending agent according to claim 1, cosurfactant used is isopropyl alcohol, butanols, octanol, or isopropyl alcohol and the octanol weight percentage mixture of 2: 1%, best effectively working concentration is 3～10%.
But 6. dimethomorph dispersed oil suspending agent according to claim 1, stabilizing agent used is organobentonite, Magnesiumaluminumsilicate, or organobentonite and the diatomite weight percentage mixture of 1: 3%, best effectively working concentration is 1～10%.
But 7. dimethomorph dispersed oil suspending agent according to claim 1, dispersion medium used is turpentine-based vegetable oil, methylated vegetable oil, or two kinds of substance weight percentage compositions mixture of 2: 1%, its effective working concentration is 20～90%.
8. but dimethomorph dispersed oil suspending agent according to claim 1, at first its typical preparation method accurately takes dispersion medium, non-ionic surface active agent, anion surfactant, cosurfactant by formula rate, add in blender and fully mix, and then the former medicine of the dimethomorph that adds formula ratio and stabilizing agent, (6000-8000r/min) shear-mixed 5min at a high speed, advance horizontal sand mill and carry out wet grinding, reach the regulation technical indicator and be qualified products.
9. but dimethomorph dispersed oil suspending agent described according to aforementioned claim, it is mainly used in control fungal disease downy mildew on vegetables, fruit tree, grape.
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| CN2013100127756A CN103120167A (en) | 2013-01-15 | 2013-01-15 | Dimethomorph dispersible oil suspending agent |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104621100A (en) * | 2013-11-11 | 2015-05-20 | 中国中化股份有限公司 | Weeding composition containing sulfonamides compound |
| CN105685024A (en) * | 2016-03-22 | 2016-06-22 | 广东中迅农科股份有限公司 | Labour-saving oil suspension and preparation method thereof |
| CN107114368A (en) * | 2017-06-01 | 2017-09-01 | 中国农业科学院植物保护研究所 | A kind of dimethomorph dispersible oil-suspending agent and preparation method and application |
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| CN101653128A (en) * | 2009-07-31 | 2010-02-24 | 深圳诺普信农化股份有限公司 | Bactericidal composition containing dimethomorph |
| CN101785455A (en) * | 2010-02-05 | 2010-07-28 | 深圳诺普信农化股份有限公司 | Pesticide oil suspension agent and preparation method thereof |
| CN101984809A (en) * | 2010-07-22 | 2011-03-16 | 福建诺德生物科技有限责任公司 | Oil suspension preparation using resin-based vegetable oil as carrier and preparation method thereof |
| CN102245018A (en) * | 2008-12-09 | 2011-11-16 | 巴斯夫欧洲公司 | Plant protection formulations comprising dimethomorph and dithiocarbamate |
| CN102763657A (en) * | 2012-08-13 | 2012-11-07 | 江苏辉丰农化股份有限公司 | Germicide composite with synergistic effect |
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2013
- 2013-01-15 CN CN2013100127756A patent/CN103120167A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102245018A (en) * | 2008-12-09 | 2011-11-16 | 巴斯夫欧洲公司 | Plant protection formulations comprising dimethomorph and dithiocarbamate |
| CN101653128A (en) * | 2009-07-31 | 2010-02-24 | 深圳诺普信农化股份有限公司 | Bactericidal composition containing dimethomorph |
| CN101785455A (en) * | 2010-02-05 | 2010-07-28 | 深圳诺普信农化股份有限公司 | Pesticide oil suspension agent and preparation method thereof |
| CN101984809A (en) * | 2010-07-22 | 2011-03-16 | 福建诺德生物科技有限责任公司 | Oil suspension preparation using resin-based vegetable oil as carrier and preparation method thereof |
| CN102763657A (en) * | 2012-08-13 | 2012-11-07 | 江苏辉丰农化股份有限公司 | Germicide composite with synergistic effect |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104621100A (en) * | 2013-11-11 | 2015-05-20 | 中国中化股份有限公司 | Weeding composition containing sulfonamides compound |
| CN104621100B (en) * | 2013-11-11 | 2018-01-16 | 沈阳中化农药化工研发有限公司 | Herbicidal combinations containing sulfamide compound |
| CN105685024A (en) * | 2016-03-22 | 2016-06-22 | 广东中迅农科股份有限公司 | Labour-saving oil suspension and preparation method thereof |
| CN107114368A (en) * | 2017-06-01 | 2017-09-01 | 中国农业科学院植物保护研究所 | A kind of dimethomorph dispersible oil-suspending agent and preparation method and application |
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Application publication date: 20130529 |