CN101361480A - Water surface expansion granule for rice field and preparation method thereof - Google Patents
Water surface expansion granule for rice field and preparation method thereof Download PDFInfo
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- CN101361480A CN101361480A CNA2008101670306A CN200810167030A CN101361480A CN 101361480 A CN101361480 A CN 101361480A CN A2008101670306 A CNA2008101670306 A CN A2008101670306A CN 200810167030 A CN200810167030 A CN 200810167030A CN 101361480 A CN101361480 A CN 101361480A
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Abstract
The invention relates to a water surface expansion granule for a rice field, which can float on the water surface and automatically disperse and expand on the water surface, and is characterized by comprising 1.0-50 parts of herbicide active component, 0.1-30 parts of water surface expanding agent, 5-99 parts of light carrier, 0.1-30 parts of surfactant, 0.1-20 parts of stabilizer and 0-10 parts of binder in parts by weight.
Description
Technical field
The present invention relates to the pesticide processing novel form that use in a kind of rice field.More particularly, the present invention relates to a kind of water expansion granule for paddy field that can swim in the water surface and disperse automatically, expand at the water surface.The invention further relates to the preparation method of this water surface expansion granule.
Background technology
Formulations such as present pulvis, missible oil, wetting powder, granule, suspending agent all have the shortcoming of the difficulty used, for example all to convert soil before use or convert water dilution and spread fertilizer over the fields or spray in the field walking, time-consuming, labour intensity is big, uses pesticide-clay mixture or the spray pesticide need be with 1.2 hours/mu usually.In addition, formulations such as pulvis, wetting powder and missible oil also have following many shortcomings, for example the dust of pulvis healthy influential to the producer and user; Drift takes place surrounding environment is produced pollution in pulvis, wetting powder and missible oil in production and use; The organic solvent that contains in the missible oil all is harmful to people, animal, natural enemy, microorganism etc., can polluted source and aquatic organism, and unfriendly etc. to environment.
Though environment-friendly type formulation such as aqua type and water dispersible solid type had had faster development in recent years, saving of labor not when these formulations are used is because also can't solve the application method that spray-on process and pesticide-clay mixture method take a lot of work, require great effort and clean problem such as medical instruments.Though big granula and effervescent agent product are easy to use, big granula usually produces poisoning because of production cost is higher with medicament skewness in the paddy field; The effervescent agent product then makes product failure owing to neutralization reaction easily takes place for the acid in the medicament, alkaloid substance, is difficult for preserving.Therefore, big granula and the effervescent agent popularization of always not succeeding for many years.Spraying insecticide is an extremely important and heavy farm work, and the peasant who went out in recent years to do manual work constantly increases, and blue or green strong labour is in great shortage in the rural area, requires great effort because of spraying insecticide time-consumingly to miss the best medication phase and cause the phenomenon of crop production reduction also more and more serious.In order to adapt to the needs of modern agricultural development, exploitation is efficient, safety, economy, labour-saving pesticides new formulation just seem very urgent.
Summary of the invention
One of purpose of the present invention just provides a kind of water surface expansion granule that is used for the rice field, this water surface expansion granule comprises herbicidal activity component 1.0-50 part in weight portion, water surface spreading agent 0.1-30 part, light carrier 5-99 part, surfactant 0.1-30 part, stabilizing agent 0.1-20 part, binding agent 0-10 part.
Another order of the present invention is to provide the preparation method of described water surface expansion granule.
The present invention also further provides the new method of using the weeding of above-mentioned water surface expansion granule.
In water surface expansion granule of the present invention, described herbicidal activity component is one or more the combination that is selected from pyrazosulfuron, mefenacet and the dichloro quinolinic acid.Preferred herbicidal activity component is pyrazosulfuron, mefenacet or dichloro quinolinic acid; Perhaps preferred herbicidal activity component is the complex preparation of pyrazosulfuron and mefenacet, and wherein the weight ratio of pyrazosulfuron and mefenacet is 1:1-35; Perhaps preferred herbicidal activity component is the complex preparation of pyrazosulfuron and dichloro quinolinic acid, and wherein the weight ratio of pyrazosulfuron and dichloro quinolinic acid is 1:1-35.
Water surface spreading agent wherein is a kind of Ester, the preferred fatty acid glycol ester.This water surface spreading agent can change between air water surface tension and by sprawling the very strong thrust of formation at the water surface, when pharmacy particle drops into the water surface, can promote pharmacy particle waters expansion around its drop point, under the acting in conjunction of itself and surfactant, finish expansion, disintegration, dispersion, expansion again, disintegration again, again disperse this toward and the process that renews, until the complete disintegration of pharmacy particle be dispersed in the water.
Surfactant wherein comprises anion surfactant, cationic surfactant, non-ionic surface active agent, amphoteric surfactant.Preferred surfactant is one or more the combination that is selected from naphthalene or alkyl naphthalene formaldehyde condensate sulfonates, lignin-sulphonate, lignosulfonates sulfuric ester, polycarboxylate, alkylphenol-polyethenoxy base ether phosphate or ester, polyoxyethylene poly-oxygen propylene aether block copolymer, fatty alcohol ethylene oxide adduct phosphate, lauryl sodium sulfate, neopelex and the water soluble polymer.
Stabilizing agent wherein be for prevent in the system between the different activities composition influence each other and active component and other auxiliary agent between chemical reaction takes place and the degraded and the destruction that cause active component, its adding can improve the storage stability of preparation greatly.Stabilizing agent is generally the material of organic ester, organic base and inorganic base, preferred acetate, carbonate, R-phosphate, sodium phosphate trimer and/or calgon.
Adhesive wherein is a class water soluble of selecting for use in order to regulate granule strength or organic matter or the inorganic matter that is slightly soluble in water, preferred alcohols base polymer, the derivative of carbohydrate, monose, polysaccharide, the urine compounds, starch derivatives, mineral salt and/or polyphosphate etc.More preferably polyethylene glycol, sucrose, glucose, methylcellulose, carboxymethyl cellulose and/or urea.
Light carrier wherein will select for use proportion less than 1, particle diameter between 0.01-2mm, certain intensity is arranged and the material that is easier to disperse as carrier.The hollow bead that extracts in preferred use perlite, vermiculite, cork, synthetic resin and the borosilicate of firing through special process, bead and the flyash etc.
Water surface expansion granule of the present invention is prepared as follows: herbicidal activity component, stabilizing agent and surfactant are mixed, after the airslide disintegrating mill ultramicro grinding, mix with light carrier again, drop in the kneader then, add spreading agent and water and mediate (mediate Wen Du ≦ 60 ℃), carry out granulation again, last drying (temperature is between-5-80 ℃), detection, shaping, screening, packing and product.Products obtained therefrom is generally cylindrical (0.5～1.5 millimeter of diameter, 1～3 millimeter of length) solid particle.
Water surface expansion granule of the present invention need not gone to the field in use, directly medicament (3～5 bags/mu of also available water-soluble bag packings) is thrown in the paddy field, granular product can automatically scatter rapidly after meeting water, and constantly waters expansion, disintegration around it, reaches the purpose of even dispenser at last.
Water surface expansion granule of the present invention has the following advantages: 1. saving of labor, laborsaving, needn't go to the field.One mu of rice field accumulation weeding time manually is 30 hours, and using weed killer herbicide is 1.2 hours, using this formulation products is 2 minutes, and efficient improves 40 times, improves 1000 times than artificial weeding, labour intensity reduces greatly, has also solved rural area the old,weak,sick and disabled person's dispenser problem of difficult; 2. product does not contain organic solvent, and no dust has avoided organic solvent to second environmental pollution and the dust drift problem to contiguous crop pollution; 3. save metering, the operation of making up a prescription, avoided medicament to the pollution of apparatus with clean medical instruments; 4. the product effective content is higher, saves packaging material and has reduced freight volume.
Embodiment
Following examples further describe the present invention, but never limit the scope of the present invention.Umber is parts by weight in the proportioning of all preparations.
Embodiment 1
25 parts of pyrazosulfurons, 6 parts of lignosulfonates sulfuric esters (available from Takemoto company), 2 parts of polyethylene glycol and 3 parts of calgons (available from auxiliary reagent factory, Yixing, Jiangsu) were mixed 30 minutes in double worm mixer; after pulverizing, airslide disintegrating mill puts in the kneader with 59 parts of hollow glass beads; drop into 5 parts of ethylene glycol fatty acid (CH-8000 then; available from Takemoto company) and 20 parts of water; mediate after 15-30 minute with the granulation of squash type comminutor; hot air circulation drying oven oven dry (temperature≤60 ℃), sampling detects the screening of qualified back, packing.
Embodiment 2
1 part of pyrazosulfuron, 28 parts of dichloro quinolinic acids, 4 parts of calgons (available from auxiliary reagent factory, Yixing, Jiangsu), 7 parts of lignosulfonates sulfuric esters (available from Takemoto company) and 2 parts of polyethylene glycol were mixed 30 minutes with double worm mixer; after pulverizing, airslide disintegrating mill puts in the kneader with 51 parts of hollow glass beads; drop into 7 parts of ethylene glycol fatty acid (CH-8000 then; available from Takemoto company) and 19 parts of water; mediate after 30 minutes with the granulation of squash type comminutor; fluid-bed drying (intake air temperature≤90 ℃) detects the screening of qualified back, packing.
Embodiment 3
1 part of pyrazosulfuron, 25 portions of mefenacets, 3 parts of sodium phosphate trimers (available from auxiliary reagent factory, Yixing, Jiangsu), 7 parts of lignosulfonates sulfuric esters and 3 portions of sucrose were mixed 30 minutes with double worm mixer; after pulverizing, airslide disintegrating mill puts in the kneader with 54 parts of hollow glass beads; drop into 7 parts of ethylene glycol fatty acid (CH-8000 then; available from Takemoto company) and 19 parts of water; mediate after 30 minutes with the granulation of squash type comminutor; fluid-bed drying (intake air temperature≤90 ℃) detects the screening of qualified back, packing.
Embodiment 4
25 parts of dichloro quinolinic acids, 4 parts of calgons (available from auxiliary reagent factory, Yixing, Jiangsu) and 6 parts of lignosulfonates sulfuric esters and 1 part of polyethylene glycol were mixed in mixer 30 minutes; after pulverizing, airslide disintegrating mill puts in the kneader with 59 parts of hollow glass beads; drop into 5 parts of ethylene glycol fatty acid (CH-8000 then; available from Takemoto company) and 19 parts of water; mediate after 20 minutes with the granulation of squash type comminutor; fluid-bed drying (intake air temperature≤90 ℃) detects the screening of qualified back, packing.
Embodiment 5
25 parts of mefenacets, 4 parts of lignin sodium sulphate, 2 parts of bentonites and 7 parts of lignosulfonates sulfuric esters were mixed in mixer 30 minutes; behind comminution by gas stream, put in the kneader with 57 parts of hollow glass beads; drop into 5 parts of ethylene glycol fatty acid (CH-8000 then; available from Takemoto company) and 19 parts of water; mediate after 20 minutes with the granulation of squash type comminutor; hot air circulation drying oven oven dry (temperature≤60 ℃) detects the screening of qualified back, packs.
Biological Examples:
Annotate: sodium phosphate trimer and calgon are stabilizing agent, and bentonite, sucrose, polyethylene glycol are binding agent.
The assay method of expanding test: in the tank that long 1000cm, wide 200cm plastic film surround, put the dark water layer of 3-4cm, and in water, be sprinkled into the polyester form granule, put into 1 gram test specimen at an end of distance tank, note down short grained largest extension distance of polyester form and used time then.
Experimental result shows that water surface expansion granule of the present invention has the good water surface from scalability.
Claims (10)
1. a water expansion granule for paddy field is characterized in that this water surface expansion granule comprises herbicidal activity component 1.0-50 part in weight portion, water surface spreading agent 0.1-30 part, light carrier 5-99 part, surfactant 0.1-30 part, stabilizing agent 0.1-20 part, binding agent 0-10 part.
2. according to the water expansion granule for paddy field of claim 1, it is characterized in that wherein herbicidal activity component is to be preferably one or more the combination that is selected from pyrazosulfuron, mefenacet and the dichloro quinolinic acid.
3. according to arbitrary water expansion granule for paddy field of claim 1 or 2, it is characterized in that herbicidal activity component wherein is pyrazosulfuron, mefenacet or dichloro quinolinic acid; Perhaps preferred herbicidal activity component is the complex preparation of pyrazosulfuron and mefenacet, and wherein the weight ratio of pyrazosulfuron and mefenacet is 1:1-35; Perhaps preferred herbicidal activity component is the complex preparation of pyrazosulfuron and dichloro quinolinic acid, and wherein the weight ratio of pyrazosulfuron and dichloro quinolinic acid is 1:1-35.
4. according to arbitrary water expansion granule for paddy field of claim 1-3, it is characterized in that water surface spreading agent is an ethylene glycol fatty acid.
5. according to arbitrary water expansion granule for paddy field of claim 1-4, it is characterized in that surfactant is one or more the combination that is selected from naphthalene or alkyl naphthalene formaldehyde condensate sulfonates, lignin-sulphonate, lignosulfonates sulfuric ester, polycarboxylate, alkylphenol-polyethenoxy base ether phosphate or ester, polyoxyethylene poly-oxygen propylene aether block copolymer, fatty alcohol ethylene oxide adduct phosphate, lauryl sodium sulfate, neopelex and the water soluble polymer.
6. according to arbitrary water expansion granule for paddy field of claim 1-6, it is characterized in that stabilizing agent is organic ester, organic base or inorganic base material.
7. according to arbitrary water expansion granule for paddy field of claim 6, it is characterized in that stabilizing agent is preferably acetate, carbonate, R-phosphate, sodium phosphate trimer and/or calgon.
8. according to arbitrary water expansion granule for paddy field of claim 1-7, it is characterized in that adhesive is preferably pure base polymer, the derivative of carbohydrate, monose, polysaccharide, urine compounds, starch derivatives, mineral salt and/or polyphosphate.
9. arbitrary water expansion granule for paddy field according to Claim 8 is characterized in that adhesive is preferably polyethylene glycol, sucrose, glucose, methylcellulose, carboxymethyl cellulose and/or urea.
10. according to the preparation method of arbitrary water expansion granule for paddy field of claim 1-9, it is characterized in that:
Herbicidal activity component, stabilizing agent and surfactant are mixed, after the airslide disintegrating mill ultramicro grinding, mix with light carrier again, drop in the kneader then, adding upstream face spreading agent and water mediates, mediate Wen Du ≦ 60 ℃, carry out granulation again, last drying, detection, shaping, screening, packing and product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101670306A CN101361480B (en) | 2008-10-09 | 2008-10-09 | Water expansion granule for paddy field and preparation method thereof |
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| CN2008101670306A CN101361480B (en) | 2008-10-09 | 2008-10-09 | Water expansion granule for paddy field and preparation method thereof |
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| CN101361480A true CN101361480A (en) | 2009-02-11 |
| CN101361480B CN101361480B (en) | 2011-05-11 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103798263A (en) * | 2014-02-27 | 2014-05-21 | 江苏省激素研究所股份有限公司 | Weed killer composition containing 3,7-dichloro-8-quinoline carboxylic acid and pyrazosulfuron-ethyl |
| CN104430446A (en) * | 2014-11-20 | 2015-03-25 | 南京高正农用化工有限公司 | Paddy field weed control macro-granule containing pyrazosulfuron ethyl and quinclorac |
| CN106818780A (en) * | 2017-02-17 | 2017-06-13 | 中国农业大学 | Ternary herbicide composition and its preparation and application |
| CN107494573A (en) * | 2017-08-07 | 2017-12-22 | 安徽圣丰生化有限公司 | A kind of herbicidal composition of penoxsuam, dichloro quinolinic acid and pyrazosulfuron |
| CN107960420A (en) * | 2016-10-19 | 2018-04-27 | 大连广达农药有限责任公司 | A kind of composition pesticide for preventing and kill off transplanted rice field malignant weed and preparation method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100347392B1 (en) * | 1994-08-04 | 2002-11-09 | 상꾜 가부시키가이샤 | Pesticide preparation |
| JP2001278701A (en) * | 2000-03-29 | 2001-10-10 | Sankyo Co Ltd | Solid agrochemical agent having excellent spreadability on water surface |
| JP4330322B2 (en) * | 2002-10-03 | 2009-09-16 | 北興化学工業株式会社 | Water-floating herbicidal formulation |
-
2008
- 2008-10-09 CN CN2008101670306A patent/CN101361480B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103798263A (en) * | 2014-02-27 | 2014-05-21 | 江苏省激素研究所股份有限公司 | Weed killer composition containing 3,7-dichloro-8-quinoline carboxylic acid and pyrazosulfuron-ethyl |
| CN104430446A (en) * | 2014-11-20 | 2015-03-25 | 南京高正农用化工有限公司 | Paddy field weed control macro-granule containing pyrazosulfuron ethyl and quinclorac |
| CN107960420A (en) * | 2016-10-19 | 2018-04-27 | 大连广达农药有限责任公司 | A kind of composition pesticide for preventing and kill off transplanted rice field malignant weed and preparation method thereof |
| CN106818780A (en) * | 2017-02-17 | 2017-06-13 | 中国农业大学 | Ternary herbicide composition and its preparation and application |
| CN106818780B (en) * | 2017-02-17 | 2018-02-27 | 中国农业大学 | Ternary herbicide composition and its preparation and application |
| CN107494573A (en) * | 2017-08-07 | 2017-12-22 | 安徽圣丰生化有限公司 | A kind of herbicidal composition of penoxsuam, dichloro quinolinic acid and pyrazosulfuron |
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| CN101361480B (en) | 2011-05-11 |
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Free format text: FORMER OWNER: HU XINGHUA HU JUN Owner name: JIANGSU REPONT PESTICIDE FACTORY CO., LTD. Free format text: FORMER OWNER: BU KANGMING Effective date: 20110315 |
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Effective date of registration: 20110315 Address after: 213200 Jintan, China, East Road, No. 8, Jiangsu Applicant after: JIANGSU REPONT PESTICIDE FACTORY Co.,Ltd. Address before: 213200 Jintan, China, East Road, No. 8, Jiangsu Applicant before: Bu Kangming Co-applicant before: Hu Xinghua Co-applicant before: Hu Jun |
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Address after: 213200, Jiangsu County, Rudong province international chemical industry gathering area Patentee after: JIANGSU REPONT PESTICIDE FACTORY Co.,Ltd. Address before: 213200 Jintan, China, East Road, No. 8, Jiangsu Patentee before: JIANGSU REPONT PESTICIDE FACTORY Co.,Ltd. |
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Address after: 226400 No. two, No. 18, Haibin Road, Rudong Coastal Economic Development Zone, Nantong, Jiangsu Patentee after: Jiangsu Ruibang agrochemical Co.,Ltd. Address before: 213200, Jiangsu County, Rudong province international chemical industry gathering area Patentee before: JIANGSU REPONT PESTICIDE FACTORY Co.,Ltd. |
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Address after: No. 18 Haiyou Road, Yangkou Town, Rudong County, Nantong City, Jiangsu Province, 226400 Patentee after: Jiangsu Ruibang agrochemical Co.,Ltd. Country or region after: China Address before: 226400 18 Haibin 2nd Road, Rudong Coastal Economic Development Zone, Nantong City, Jiangsu Province Patentee before: Jiangsu Ruibang agrochemical Co.,Ltd. Country or region before: China |
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