CN111700066A - Sclerotium cleaning water dispersible granule and preparation method thereof - Google Patents
Sclerotium cleaning water dispersible granule and preparation method thereof Download PDFInfo
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- CN111700066A CN111700066A CN202010734620.3A CN202010734620A CN111700066A CN 111700066 A CN111700066 A CN 111700066A CN 202010734620 A CN202010734620 A CN 202010734620A CN 111700066 A CN111700066 A CN 111700066A
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- agent
- sodium
- sclerotium
- sulfonate
- water dispersible
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION 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
- A01N25/00—Biocides, 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
- A01N25/12—Powders or granules
- A01N25/14—Powders or granules wettable
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION 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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/36—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings
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- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Agronomy & Crop Science (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
A sclerotium clear water dispersible granule comprises, by weight, 20-90% of sclerotium clear and the balance of auxiliary agents; the auxiliary agent comprises the following components in parts by weight: 1-4% of wetting and penetrating agent, 2-10% of dispersing agent, 1-20% of disintegrating agent, 1-20% of binding agent, 0.1-2% of defoaming agent and the balance of filling material. The invention has the following advantages: 1. no solvent and no dust, and is safe for operators and environment; 2. the strength and the hardness are enough, and the products are prevented from generating excessive dust in the processes of packaging, storing and transporting; 3. the flowability is good, the sticking and the caking are avoided, the packaging can be carried out by paper bags, and the cost is saved; 4. the density is high, the packaging container is small, the volume can be measured, and the use is convenient for users; 5. has good automatic dispersibility 6 and excellent suspension property 7, and can be prepared into high-concentration active ingredients; 8. good storage stability 9 and good mixing property.
Description
Technical Field
The invention relates to the field of dimethachlon, in particular to dimethachlon water dispersible granules and a preparation method thereof.
Background
The dimethachlon is a protective bactericide, has a certain systemic treatment effect, is mainly used for preventing and treating rice sheath blight disease, sclerotinia rot of colza and alternaria alternata, and is 4.5-7.5 g/100m for 1 time according to effective components if the dimethachlon is prevented and treated2，26 to 15g/100m2And the control effect is 90 to 100 percent.
The dimethachlon is a well-known excellent bactericide, a dimethachlon single agent in the current market is generally prepared into 40% wettable powder for use, and the wettable powder single agent has serious dust pollution in the preparation and use processes, has great harm to people and the environment, and has low effective utilization rate and short duration; the prepared 40% wettable powder is a dosage form which is eliminated in the pesticide development, and has the defects of inconvenient transportation and storage, difficult packaging, high use cost and the like.
In order to overcome the defects of high cost, large pollution and inconvenient storage and transportation in the prior art, the invention aims to provide the sterilizing agent of the sclerotium-forming water-purifying dispersant, which has low use cost, easy packaging, convenient storage and transportation, no harm to human health, environmental protection and can improve the utilization rate of effective components.
Disclosure of Invention
According to the problems of the background art, the invention provides a sclerotium cleaning water dispersible granule and a preparation method thereof to solve the problems, and the invention is further explained below.
A sclerotium clear water dispersible granule comprises, by weight, 20-90% of sclerotium clear and the balance of auxiliary agents;
the auxiliary agent comprises the following components in parts by weight: 1-4% of wetting and penetrating agent, 2-10% of dispersing agent, 1-20% of disintegrating agent, 1-20% of binding agent, 0.1-2% of defoaming agent and the balance of filling material.
Further, the wetting and penetrating agent is one or more of fatty sulfate ester salt, a-alkenyl sulfonate, alkylbenzene sulfonate, dialkyl succinate sulfonate sodium salt, fatty alcohol alkylphenol polyoxyethylene ether succinic acid monoester sulfonate, fatty amide N-methyl taurinate sodium salt, fatty alcohol polyoxyethylene ether sulfate sodium salt, alkylphenol polyoxyethylene ether sulfate salt, mono-dialkyl naphthalene sulfonate, fatty acid ester sulfate, sodium lignosulfonate, petroleum sulfonate, sodium polyhydroxy acid, alkyl diphenyl ether sulfonate, butyl diphenyl sulfonate, phenol-formaldehyde sulfonate condensate sodium salt, fatty acid polyoxyethylene ester sulfonate, phosphate ester salt and the like.
Further, the dispersing agent is one or more of lignosulfonate, naphthalenesulfonate, polyhydroxy acid salt, sodium naphthalenesulfonate formaldehyde condensate, fatty amide-N-methyltaurate, sodium alkylsulfate, alkyl sulfosuccinate, fatty alcohol polyether, alkylphenol polyether, sodium polyhydroxy acid ester and the like.
Further, the disintegrating agent is one or more of ammonium sulfate, urea, polyvinylpyrrolidone, sodium sulfate, starch and its derivatives, cellulose, sodium bicarbonate, sodium lauryl sulfate, sodium alginate, bentonite, sodium chloride, etc.
Further, the binder is: starch, pregelatinized starch, gelatin, acacia, polyvinylpyrrolidone, methylcellulose, hydroxypropyl methylcellulose, polyethylene glycol, polyvinyl alcohol, glucose, sucrose, etc.
Further, the defoaming agent is alcohol: methanol, ethanol, butanol, isopropanol, isoamyl alcohol, diethyl hexanol, diiso-methanol; phosphoric acid esters: tributyl phosphate, trioctyl phosphate, pentyloctyl phosphate, alkyl ether phosphates; fatty acids and fatty acid esters: sorbitan monolaurate, sorbitan, laurate, fatty alcohol polyoxyethylene ester; silicones: one or more of organic silicon oil, organic silicon defoaming agent and the like.
Further, the filling material is one or more of attapulgite, argil, kaolin, talc, pyrophyllite, silica lime, calcium carbonate, dolomite powder, sepiolite, bentonite, diatomite and white carbon black.
A preparation method of the sclerotium clear water dispersible granule comprises the following steps:
preparing an auxiliary agent, namely 1-4% of wetting and penetrating agent, 2-10% of dispersing agent, 1-20% of disintegrating agent, 1-20% of binding agent, 0.1-2% of defoaming agent and the balance of filling material by weight;
selecting 20-90% of dimethachlon and the balance of auxiliary agent by weight, and uniformly mixing;
crushing, namely adding the uniformly mixed raw medicines into a crusher for ultrafine crushing to obtain 500-mesh and 1000-mesh powder;
granulating and drying, adding the obtained fine powder and the aqueous solution of the binder into a mixer, uniformly mixing, granulating by using a granulator, drying at 20-80 ℃, and screening to obtain the sclerotium water purification dispersant.
Has the advantages that: compared with the prior art, the invention has the following advantages: 1. no solvent and no dust, and is safe for operators and environment; 2. the product has enough hardness and strength, and can prevent the product from generating overproof dust in the processes of packaging, storing and transporting; 3. the flowability is good, the sticking and the caking are avoided, the packaging can be carried out by paper bags, and the cost is saved; 4. the density is high, the packaging container is small, the volume can be measured, and the use is convenient for users; 5. has good automatic dispersibility 6 and excellent suspension property 7, and can be prepared into high-concentration active ingredients; 8. good storage stability 9 and good mixing property.
Detailed Description
Specific embodiments of the present invention are described in detail below.
A sclerotium clear water dispersible granule comprises, by weight, 20-90% of sclerotium clear and the balance of auxiliary agents;
the auxiliary agent comprises the following components in parts by weight: 1-4% of wetting and penetrating agent, 2-10% of dispersing agent, 1-20% of disintegrating agent, 1-20% of binding agent, 0.1-2% of defoaming agent and the balance of filling material.
The wetting and penetrating agent is one or more of fatty sulfate salt, alpha-alkenyl sulfonate, alkylbenzene sulfonate, dialkyl succinate sulfonate sodium salt, fatty alcohol alkylphenol polyoxyethylene ether succinic acid monoester sulfonate, fatty amide N-methyl taurinate sodium salt, fatty alcohol polyoxyethylene ether sulfate sodium salt, alkylphenol polyoxyethylene ether sulfate salt, mono-dialkyl naphthalene sulfonate, fatty acid ester sulfate, sodium lignosulfonate, petroleum sulfonate, sodium polyhydroxy acid, alkyl diphenyl ether sulfonate, butyl diphenyl sulfonate, phenol sulfonate formaldehyde condensate sodium salt, fatty acid polyoxyethylene ester sulfonate, phosphate salt and the like.
The dispersing agent is one or more of lignosulfonate, naphthalenesulfonate, polyhydroxy acid salt, sodium naphthalenesulfonate formaldehyde condensate, fatty amide-N-methyl taurate, sodium alkyl sulfate, alkyl sulfosuccinate, fatty alcohol polyether, alkylphenol polyether, sodium polyhydroxy acid ester salt and the like.
The disintegrating agent is one or more of ammonium sulfate, urea, polyvinylpyrrolidone, sodium sulfate, starch and its derivatives, cellulose, sodium bicarbonate, sodium laurylsulfate, sodium alginate, bentonite, and sodium chloride.
The binder is as follows: starch, pregelatinized starch, gelatin, acacia, polyvinylpyrrolidone, methylcellulose, hydroxypropyl methylcellulose, polyethylene glycol, polyvinyl alcohol, glucose, sucrose, etc.
The defoaming agent is alcohol: methanol, ethanol, butanol, isopropanol, isoamyl alcohol, diethyl hexanol, diiso-methanol; phosphoric acid esters: tributyl phosphate, trioctyl phosphate, pentyloctyl phosphate, alkyl ether phosphates; fatty acids and fatty acid esters: sorbitan monolaurate, sorbitan, laurate, fatty alcohol polyoxyethylene ester; silicones: one or more of organic silicon oil, organic silicon defoaming agent and the like.
The filler is one or more of attapulgite, argil, kaolin, talc, pyrophyllite, silica lime, calcium carbonate, dolomite powder, sepiolite, bentonite, diatomite, white carbon black and the like.
The invention provides a bactericide water dispersible granule which has high efficiency, low toxicity and no pollution, is safe to environment, people and livestock and is not easy to generate drug resistance to pathogenic bacteria, the preparation is prepared by mixing special auxiliary agents, and the preparation method comprises the following steps:
the preparation method of the sclerotium cleaning water dispersible granule comprises the following steps:
preparing an auxiliary agent, namely 1-4% of wetting and penetrating agent, 2-10% of dispersing agent, 1-20% of disintegrating agent, 1-20% of binding agent, 0.1-2% of defoaming agent and the balance of filling material by weight;
selecting 20-90% of dimethachlon and the balance of auxiliary agent by weight, and uniformly mixing;
crushing, namely adding the uniformly mixed raw medicines into a crusher for ultrafine crushing to obtain 500-mesh and 1000-mesh powder;
granulating and drying, adding the obtained fine powder and the aqueous solution of the binder into a mixer, uniformly mixing, granulating by using a granulator, drying at 20-80 ℃, and screening to obtain the sclerotium water purification dispersant.
In order that the nature of the invention may be better understood, the invention will now be further illustrated with reference to the following examples:
example 1:
20% of dimethachlon, 3% of alkyl benzene sulfonate, 7% of sodium naphthalene sulfonate formaldehyde condensate, 10% of urea, 15% of starch, 0.2% of tributyl phosphate and the balance of kaolin;
the preparation process comprises the following steps:
adding dimethachlon, fatty alcohol polyoxyethylene ether sodium sulfate, naphthalene sulfonate, ammonium sulfate, hydroxypropyl methyl cellulose, an organic silicon defoaming agent and diatomite into a mixer, wherein the adding sequence can be interchanged;
after being uniformly stirred, the materials are subjected to ultrafine grinding by a grinder, and after the particle size reaches 500-2000 meshes, water is added for uniform kneading;
after being made into solid particles by a granulator, the solid particles are dried at the temperature of 20-80 ℃ and then are screened in a screening device to obtain the 20 percent sclerotium clear water dispersible granule.
Example 2:
50% of dimethachlon, 3% of fatty alcohol polyoxyethylene ether sodium sulfate, 6% of naphthalenesulfonate, 20% of ammonium sulfate, 1% of hydroxypropyl methyl cellulose, 0.2% of an organic silicon defoamer and the balance of diatomite to 100%;
the preparation process comprises the following steps:
adding dimethachlon, fatty alcohol polyoxyethylene ether sodium sulfate, naphthalene sulfonate, ammonium sulfate, hydroxypropyl methyl cellulose, an organic silicon defoaming agent and diatomite into a mixer, wherein the adding sequence can be interchanged;
after the materials are uniformly stirred, the materials are subjected to ultrafine grinding by a grinder, and after the particle size reaches 500-1000 meshes, water is added for uniform kneading;
making into solid granules by a granulator, drying at 20-80 ℃, and screening in a screening device to obtain the 50% sclerotium clear water dispersible granule.
Example 3:
70% of dimethachlon, 3% of fatty alcohol polyoxyethylene ether sodium sulfate, 6% of sodium polyhydroxy acid ester, 10% of ammonium sulfate, 1% of hydroxypropyl methyl cellulose, 0.2% of an organic silicon defoamer and the balance of diatomite to 100%; a
The preparation process comprises the following steps:
adding dimethachlon, fatty alcohol polyoxyethylene ether sodium sulfate, sodium polyhydroxy acid ester, ammonium sulfate, hydroxypropyl methyl cellulose, an organic silicon defoamer and diatomite into a mixer, wherein the adding sequence can be interchanged;
after being uniformly stirred, the materials are subjected to ultrafine grinding by a grinder, and after the particle size reaches 500-2000 meshes, water is added for uniform kneading;
making into solid granules by a granulator, drying at 20-80 ℃, and screening in a screening device to obtain 70% sclerotium clear water dispersible granules.
Example 4:
90% of dimethachlon, 2% of fatty alcohol polyoxyethylene ether sodium sulfate, 6% of polyhydroxy acid ester sodium salt, 0.2% of organic silicon defoamer and the balance of ammonium sulfate to 100%;
adding dimethachlon, fatty alcohol-polyoxyethylene ether sodium sulfate, sodium polyhydroxy acid ester, ammonium sulfate and organic silicon defoamer into a mixer, wherein the adding sequence can be interchanged;
after the materials are uniformly stirred, the materials are subjected to ultrafine grinding by a grinder, and after the particle size reaches 500-2000 meshes, water is added for uniform kneading;
making into solid granules by a granulator, drying at 20-80 ℃, and screening in a screening device to obtain the 90% sclerotium clear water dispersible granule.
The invention has the following advantages: 1. no solvent and no dust, and is safe for operators and environment; 2. the strength and the hardness are enough, and the products are prevented from generating excessive dust in the processes of packaging, storing and transporting; 3. the flowability is good, the sticking and the caking are avoided, the packaging can be carried out by paper bags, and the cost is saved; 4. the density is high, the packaging container is small, the volume can be measured, and the use is convenient for users; 5. has good automatic dispersibility 6 and excellent suspension property 7, and can be prepared into high-concentration active ingredients; 8. good storage stability 9 and good mixing property.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A sclerotium cleaning water dispersible granule is characterized in that: by weight, 20-90% of dimethachlon and the balance of auxiliary agents;
the auxiliary agent comprises the following components in parts by weight: 1-4% of wetting and penetrating agent, 2-10% of dispersing agent, 1-20% of disintegrating agent, 1-20% of binding agent, 0.1-2% of defoaming agent and the balance of filling material.
2. The sclerotium clear water dispersible granule according to claim 1, characterized in that: the wetting and penetrating agent is one or more of fatty sulfate salt, alpha-alkenyl sulfonate, alkylbenzene sulfonate, dialkyl succinate sulfonate sodium salt, fatty alcohol alkylphenol polyoxyethylene ether succinic acid monoester sulfonate, fatty amide N-methyl taurinate sodium salt, fatty alcohol polyoxyethylene ether sulfate sodium salt, alkylphenol polyoxyethylene ether sulfate salt, mono-dialkyl naphthalene sulfonate, fatty acid ester sulfate, sodium lignosulfonate, petroleum sulfonate, sodium polyhydroxy acid, alkyl diphenyl ether sulfonate, butyl diphenyl sulfonate, phenol sulfonate formaldehyde condensate sodium salt, fatty acid polyoxyethylene ester sulfonate, phosphate salt and the like.
3. The sclerotium clear water dispersible granule according to claim 1, characterized in that: the dispersing agent is one or more of lignosulfonate, naphthalenesulfonate, polyhydroxy acid salt, sodium naphthalenesulfonate formaldehyde condensate, fatty amide-N-methyl taurate, sodium alkyl sulfate, alkyl sulfosuccinate, fatty alcohol polyether, alkylphenol polyether, sodium polyhydroxy acid ester salt and the like.
4. The sclerotium clear water dispersible granule according to claim 1, characterized in that: the disintegrating agent is one or more of ammonium sulfate, urea, polyvinylpyrrolidone, sodium sulfate, starch and its derivatives, cellulose, sodium bicarbonate, sodium laurylsulfate, sodium alginate, bentonite, and sodium chloride.
5. The sclerotium clear water dispersible granule according to claim 1, characterized in that: the binder is as follows: starch, pregelatinized starch, gelatin, acacia, polyvinylpyrrolidone, methylcellulose, hydroxypropyl methylcellulose, polyethylene glycol, polyvinyl alcohol, glucose, sucrose, etc.
6. The sclerotium clear water dispersible granule according to claim 1, characterized in that: the defoaming agent is alcohol: methanol, ethanol, butanol, isopropanol, isoamyl alcohol, diethyl hexanol, diiso-methanol; phosphoric acid esters: tributyl phosphate, trioctyl phosphate, pentyloctyl phosphate, alkyl ether phosphates; fatty acids and fatty acid esters: sorbitan monolaurate, sorbitan, laurate, fatty alcohol polyoxyethylene ester; silicones: one or more of organic silicon oil, organic silicon defoaming agent and the like.
7. The sclerotium clear water dispersible granule according to claim 1, characterized in that: the filler is one or more of attapulgite, argil, kaolin, talc, pyrophyllite, silica lime, calcium carbonate, dolomite powder, sepiolite, bentonite, diatomite, white carbon black and the like.
8. A preparation method of the sclerotium cleaning water dispersible granule is characterized by comprising the following steps:
preparing an auxiliary agent, namely 1-4% of wetting and penetrating agent, 2-10% of dispersing agent, 1-20% of disintegrating agent, 1-20% of binding agent, 0.1-2% of defoaming agent and the balance of filling material by weight;
selecting 20-90% of dimethachlon and the balance of auxiliary agent by weight, and uniformly mixing;
crushing, namely adding the uniformly mixed raw medicines into a crusher for ultrafine crushing to obtain 500-mesh and 1000-mesh powder;
granulating and drying, adding the obtained fine powder and the aqueous solution of the binder into a mixer, uniformly mixing, granulating by using a granulator, drying at 20-80 ℃, and screening to obtain the sclerotium water purification dispersant.
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| CN202010734620.3A CN111700066A (en) | 2020-07-27 | 2020-07-27 | Sclerotium cleaning water dispersible granule and preparation method thereof |
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| CN202010734620.3A CN111700066A (en) | 2020-07-27 | 2020-07-27 | Sclerotium cleaning water dispersible granule and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115943955A (en) * | 2022-10-27 | 2023-04-11 | 中国医学科学院生物医学工程研究所 | Hollow mesoporous silica coated dimethachlon-loaded nanoparticle and preparation method and application thereof |
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2020
- 2020-07-27 CN CN202010734620.3A patent/CN111700066A/en active Pending
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| CN101574080A (en) * | 2009-06-22 | 2009-11-11 | 浙江威尔达化工有限公司 | Sterilization composition containing tebuconazole and dimetachlone |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115943955A (en) * | 2022-10-27 | 2023-04-11 | 中国医学科学院生物医学工程研究所 | Hollow mesoporous silica coated dimethachlon-loaded nanoparticle and preparation method and application thereof |
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