WO2010064513A1 - 農薬粒状水和剤組成物の製造方法 - Google Patents
農薬粒状水和剤組成物の製造方法 Download PDFInfo
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- WO2010064513A1 WO2010064513A1 PCT/JP2009/068793 JP2009068793W WO2010064513A1 WO 2010064513 A1 WO2010064513 A1 WO 2010064513A1 JP 2009068793 W JP2009068793 W JP 2009068793W WO 2010064513 A1 WO2010064513 A1 WO 2010064513A1
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- wettable powder
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Classifications
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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
-
- 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
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
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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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
- A01N47/12—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing a —O—CO—N< group, or a thio analogue thereof, neither directly attached to a ring nor the nitrogen atom being a member of a heterocyclic ring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/20—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by expressing the material, e.g. through sieves and fragmenting the extruded length
Definitions
- the present invention relates to a method for producing a pesticide granular wettable powder composition used for controlling pests and weeds of agricultural and horticultural crops.
- agrochemical preparations such as powders, granules, wettable powders, granular wettable powders, liquids, aqueous suspensions and emulsions.
- the granular wettable powder is a dosage form that is easy to handle for the user because the powder is not powdered during use, so that the user is less exposed to the agricultural chemical and is easy to measure. Therefore, the dosage form of recent agricultural chemical preparations tends to shift from a wettable powder to a granular wettable powder.
- the granular wettable powder is easily dispersed in water.
- a production method in which no pressure is applied during granulation and the particles do not have a compact structure.
- a powder mixed with an agrochemical active ingredient, a surfactant, a bulking agent, and the like is caused to flow in a layer through which hot air flows, and an aqueous solution containing a binder is sprayed to aggregate the powder particles.
- Non-Patent Documents 1 and 2 A so-called agitation granulation method for obtaining a granular material by aggregating body particles is known (see Non-Patent Documents 1 and 2).
- a granulation method with high productivity of agrochemical formulations cylindrical agglomeration is performed by adding water to an agrochemical active ingredient, surfactant, extender, etc., kneading, and extruding from a screen with certain pores.
- a so-called extrusion granulation method for obtaining a product is known (see Non-Patent Document 1).
- a high pressure is applied when extruding the kneaded material from the pores.
- the obtained granulated product becomes a particle having a compact structure, so that there is a problem of poor dispersion in water.
- JP 2001-288004 A Granulation Handbook Japan Powder Industry Technology Association Granulation Handbook, Japan Powder Industry Technology Association
- an object of the present invention is to provide a method for efficiently producing an agrochemical granular wettable powder composition having improved dispersibility in water.
- the inventors of the present invention produced a granulated product by using an extrusion granulation method using a screen having a slightly larger pore size than the desired particle size. After drying, the granulated product is crushed so as not to generate fine powder, and the crushed product is sieved to a desired particle size, so that the agrochemical granular wettable powder composition having a desired particle size range is very efficiently obtained. As a result, the present invention was completed.
- the present invention has the following gist.
- (1) The following steps (a) to (e) (A) Step of kneading the agrochemical active ingredient, surfactant and water (b) Step of extruding and granulating the kneaded product from a screen having a pore size of 600 to 2,000 ⁇ m (c) Step of drying the granulated product ( d) Step of crushing by placing two toothed rolls with irregularities on the roll surface in parallel and rotating them, and passing the dried granulated material between the toothed rolls (e) Crushed material
- the sieving of the crushed material in the step (e) is performed by sieving the pulverized material using a mesh having a large mesh size of two types of meshes having an opening of 50 to 1,000 ⁇ m.
- the pesticidal granular wettable powder composition according to the above (2) which is obtained by further sieving with a mesh having a small mesh size and collecting the material remaining on the mesh. Manufacturing method.
- the production method of the agrochemical granular wettable powder composition of the present invention has less loss of raw materials in the production process, less burden on the machine used for production, and moreover, the agrochemical granule having the target particle size compared to the conventional production method This is a method with a high yield of the wettable powder composition.
- the production method of the present invention is an extremely efficient and economical method for producing an agrochemical granular wettable powder composition.
- the “particle size” refers to a range in which the particle diameters of individual granular materials in the agricultural chemical granular wettable powder composition are distributed.
- a pesticidal granular wettable powder composition having a particle size of 250 to 500 ⁇ m is one having an opening of 500 ⁇ m and remaining on the mesh of 250 ⁇ m, that is, the particle size of all the granular materials.
- the method for producing an agrochemical granular wettable powder composition having a particle size of 50 to 1,000 ⁇ m comprises the following steps (a) to (e): (A) Step of kneading the agrochemical active ingredient, surfactant and water (b) Step of extruding and granulating the kneaded product from a screen having a pore size of 600 to 2,000 ⁇ m (c) Step of drying the granulated product ( d) Step of crushing by placing two toothed rolls with irregularities on the roll surface in parallel and rotating them, and passing the dried granulated material between the toothed rolls (e) Crushed material Including a step of sieving.
- the step (a) of the method of the present invention is a step of kneading water with an agrochemical active ingredient, a surfactant and, if necessary, other ingredients.
- the above components are uniformly mixed, so that the next step (b) can be efficiently granulated.
- an apparatus such as a Henschel mixer, a double-arm kneader, a paddle mixer, a blade mixer, a high-speed mixer, or a vertical mixer can be used.
- the amount of water at the time of kneading may be an amount suitable for extrusion granulation, and is 5 to 30 parts with respect to 100 parts of the total amount of the agrochemical active ingredient, surfactant and other ingredients as required.
- the amount is preferably 10 to 20 parts.
- agrochemical active ingredients and surfactants Prior to kneading with water, agrochemical active ingredients and surfactants are mixed in advance, and if necessary, these ingredients are mixed with a uniform particle size by a pulverizer represented by impact pulverization or high-speed airflow pulverization. It is preferable to pulverize this powder.
- the average particle size of the pulverized powder is 1 to 20 ⁇ m, preferably 1 to 15 ⁇ m, and more preferably 2 to 10 ⁇ m.
- the “average particle diameter” refers to the volume median diameter.
- agrochemical active ingredients described above include known agrochemical active ingredients in the agrochemical field, such as insecticides, fungicides, herbicides, plant growth regulators, and the like.
- agrochemical active ingredients may be any of liquid, solid, and paste, and the following components can be exemplified, but the present invention is not limited to these.
- insecticide examples include acrinatrin, acetamiprid, acephate, amitraz, alanibalbu, arimalua, aluminalua, isoxathion, imidacloprid, indoxacarb MP, uwabarua, ethylthiomethone, etoxazole, etofenprox, emamectin benzoate, oxamil, fluoril Sodium oleate, carbam ammonium salt, carbam sodium salt, kazusafos, cartap hydrochloride, carbosulfan, clothianidin, clofentezine, chromafenozide, chlorpicrin, chlorpyrifos, chlorpyrifosmethyl, chlorfenapyr, chlorfluazuron, diatomaceous earth, oxidation Fenbutasin, dienochlor, cycloprotorin, dinotefuran, cyhalo
- fungicides include azoxystrobin, ambam, sulfur, isoprothiolane, ipconazole, iprodione, iminoctadine albesylate, iminoctadine acetate, imibenconazole, echromezol, oxadixyl, oxytetracycline, oxpoconazole fumaric acid Salt, oxolinic acid, kasugamycin, carpropamide, quinoxaline, captan, cresoxime methyl, cyazofamide, shiitake mycelium extract, dietofencarb, diclocimet, diclomedin, dithianon, diphenoconazole, cyproconazole, cyflufenamide, cyprozinazole, cimedomol Bacterial CAB-02 strain, ziram, streptomycin, lime sulfur mixture, dazome Potassium carbonate, sodium bicarbonate, thiadiazine
- herbicides include ioxynil, azimusulfuron, ashram, atrazine, anilophos, alachlor, isoxaben, isouron, imazamoxammonium salt, imazosulfuron, indanophan, esprocarb, ethoxysulfuron, ettobenzanide, chlorate, oxadiazone, Oxadiclomephone, Caffentrol, Carbutylate, Quizalofopethyl, Cumylron, Glyphosate ammonium salt, Glyphosate isopropylamine salt, Glyphosate trimesium salt, Glyphosate sodium salt, Glufosinate, Cletodim, Chlomeprop, Cyanazine, Sodium cyanate, Cyclosulfamlone, Diquat Dibromide, ciduron, cyhalohop butyl, diflufenican, dimetamethrin Dimethen
- the isoxazoline derivative etc. which are shown by these can be mentioned.
- pyriminobacmethyl, pyrimisulfurphan, pyroxasulfone and isoxazoline derivatives represented by the formula [I] are preferable.
- plant growth regulators include 1-naphthylacetamide, inabenfide, indolebutyric acid, uniconazole P, ethiclozate, ethephone, calcium peroxide, cloxiphonac, chlormequat, choline, dichlorprop, gibberellin, daminogit, decyl alcohol, Paclobutrazol, prohexadione calcium salt, benzylaminopurine, forchlorphenuron, mepicoat chloride, 4-CPA and the like can be mentioned.
- agrochemical active ingredients may be used alone or in combination of two or more depending on the pests and weeds to be controlled and the crop to be controlled.
- the total amount of the pesticidal active ingredient in the pesticidal granular wettable powder composition produced by the method of the present invention is not particularly limited, but is usually about 1 to 85 parts by weight with respect to 100 parts by weight of the composition. is there.
- nonionic surfactants nonionic surfactants, anionic surfactants, cationic surfactants, amphoteric surfactants and the like can be used freely.
- examples of various surfactants are as follows, but the present invention is not limited thereto.
- nonionic surfactants include polyoxyalkylene glycol, polyoxyalkylene alkyl ether, polyoxyalkylene alkyl aryl ether, polyoxyalkylene fatty acid ester, polyoxyethylene polyoxypropylene block polymer, sorbitan monoalkylate, alkynol. And alkyne diols and their alkylene oxide adducts.
- anionic surfactant examples include alkyl sulfuric acid, alkyl sulfonic acid, alkyl phosphoric acid, alkyl phosphonic acid, alkyl aryl sulfonic acid, alkyl aryl phosphonic acid, polyoxyalkylene alkyl ether sulfate, polyoxyalkylene alkyl aryl ether sulfate.
- Esters polyoxyalkylene alkyl ether phosphate ester, polyoxyalkylene alkyl aryl ether phosphate ester, polycarboxylic acid type polymer, lignin sulfonic acid, aryl sulfonic acid, aryl sulfonic acid formalin condensate, alkali of alkyl aryl sulfonic acid formalin condensate Examples thereof include metal salts, alkaline earth metal salts, ammonium salts and the like.
- alkyl sulfates alkylaryl sulfonates, polycarboxylates, lignin sulfonates, aryl sulfonates, and aryl sulfonate formalin condensates are preferable.
- cationic surfactant examples include alkylamine, polyalkylamine, alkanolamine, polyalkanolamine, polyalkylenepolyamine, alkylpyridine, alkylmorpholine, alkyl hydrazine hydrochloride, sulfate, carboxylate, and the like. be able to.
- the total amount of surfactant in the agrochemical granular wettable powder composition produced by the method of the present invention is not particularly limited, but is usually about 2 to 30 parts by weight with respect to 100 parts by weight of the composition. is there.
- pesticidal active ingredient such as water-soluble fine powder, mineral fine powder.
- Formulation aids such as oil-absorbing fine powders, binders, grinding aids and antifoaming agents can be blended as necessary.
- water-soluble fine powder include lactose, water-soluble starch, urea, alkali metal salts or ammonium salts of organic acids or inorganic acids.
- mineral fine powder include diatomaceous earth, clay, and calcium carbonate.
- oil-absorbing fine powder include white carbon, diatomaceous earth, and microcrystalline cellulose.
- binder examples include polyvinyl alcohol, carboxymethyl cellulose, hydroxypropyl cellulose, and the like.
- examples of the grinding aid include white carbon, cinnabar, and pumice. Although it does not specifically limit as an antifoamer, For example, a silicone type surfactant, the free body of long-chain fatty acid, an alkali metal salt, etc. can be mentioned.
- the kneaded product kneaded in the above step is then extruded and granulated with a screen having a pore diameter of 600 to 2,000 ⁇ m in step (b).
- the pore diameter of this screen is preferably 600 to 1,800 ⁇ m, and particularly preferably 600 to 1,500 ⁇ m. If the pore size of the screen is below this range, not only the granulation amount per unit time of extrusion granulation is remarkably reduced, but also the frequency of breakage of the screen increases because the pressure when passing through the screen increases. Become.
- the pore size of the screen is preferably 0.6 to 3 times, particularly 0.8 to 2 times the mesh size of the mesh having the larger mesh size used in the sieving step (e) described later.
- the granulator that can be used for extrusion granulation may be any machine that has a function that can be used for the purpose of granulation, and the shape is not particularly limited. Examples thereof include a granulator, a disk die type roll type extrusion granulator, and a basket type blade type extrusion granulator.
- step (c) The granulated product granulated above is then dried in step (c).
- This drying is performed using a dryer such as a fluidized bed dryer at a hot air temperature of about 50 to 100 ° C. for about 10 to 20 minutes.
- the temperature in the layer in the granulated product also rises to the same level as the hot air temperature, and the water content is usually attenuated to about 0.5 to 3% by mass. If this drying is not performed, in the next step (d), the granulated materials are kneaded again by the rotational motion of the crusher, and the granulated materials cannot be crushed.
- the shape of the granulated product obtained in the above process is a cylindrical shape having a certain size, and each component is uniformly dispersed inside the granulated product, and is in a compacted state (a strongly compacted uniform A state having a density).
- step (d) The granulated product is then subjected to step (d).
- step (d) two toothed rolls having irregularities on the surface of the roll are arranged in parallel at a fixed distance, and these toothed rolls are rotated to rotate the dried granulated product. Crushing by passing between rolls.
- the toothed roll is preferably installed parallel to the ground, and the dried granulated product is preferably introduced from above the toothed roll.
- the toothed roll used in this step is provided with irregularities on the surface of the roll, and usually has a roll diameter of 50 mm to 300 mm and a length of 20 mm to 1500 mm.
- the shape of the unevenness of the toothed roll is not particularly limited, but is preferably a triangular mountain shape having a continuous cross section.
- the shape of the triangle is not particularly limited, but for example, it is preferable that the height and width (base) of the triangle are in the range of 0.3 mm to 10 mm, and the height and width are particularly the same.
- the distance between the rolls is not particularly limited, but is usually 0.05 mm to 1.5 mm.
- the roll used for the first crushing has a height and width of the tooth triangle of 1 mm, the distance between the rolls is 0.27 mm, and the roll used for the subsequent crushing.
- the height and width of the tooth triangle is 0.6 mm, and the distance between the rolls is 0.25 mm.
- step (e) The crushed material crushed above is then sieved in step (e).
- This sieving is carried out so that the particle size of the pesticidal granular wettable powder composition is in the range of 50 to 1,000 ⁇ m, preferably 100 to 850 ⁇ m, more preferably 250 to 700 ⁇ m.
- this sieving can be performed using two types of meshes having an opening of 50 to 1,000 ⁇ m.
- the pulverized product is sieved using a mesh having a large opening of two types of meshes having an opening in the range of 50 to 1,000 ⁇ m. This is carried out by sieving using a mesh with a small opening and collecting the material remaining on the mesh.
- an agrochemical granular wettable powder composition having a particle size of 250 to 600 ⁇ m first, the crushed material is sieved using a mesh having an opening of 600 ⁇ m, and the material passed through it is further used using a mesh having an opening of 250 ⁇ m. It is obtained by sieving and collecting what remains on the mesh. Examples of machines that can perform such sieving include a rotary shifter and a vibrating sieve.
- an agrochemical granular wettable powder composition having a particle size of 50 to 1,000 ⁇ m can be efficiently produced.
- the thus produced agrochemical granular wettable powder composition is also excellent in disintegration dispersibility in water.
- the reason why an agrochemical granular wettable powder composition having a particle size of 50 to 1,000 ⁇ m can be produced efficiently is a kneaded product in which each component such as an agrochemical active ingredient is uniform in step (a). This is because, in the step (b), a granulated product having a fixed cylindrical shape and a compacted state is produced. And when the granulated product dried in the step (c) is passed between two toothed rolls used in the subsequent step (d), the granulated product has a columnar shape with a certain size.
- each component of the granulated product used in the step (d) is not homogeneous, when the density of the granulated product is not uniform, or when the shape of the granulated product is irregular, it is obtained in the step (d).
- the crushed material has a wide particle size distribution, and in particular, a large amount of undesired fine powder is generated, resulting in a poor yield.
- Example 1 40 parts of pyribencarb, 4 parts of sodium alkyl sulfate, 5 parts of sodium lignin sulfonate, and 51 parts of calcium carbonate were mixed and pulverized with a high-speed airflow pulverizer so that the average particle size of each component was 7 ⁇ m. Next, 15 parts of water was added to 100 parts of the obtained pulverized product and further kneaded. When the added water had permeated the whole, the kneaded product was granulated by a lateral extrusion type screw granulator. The screen used in extrusion granulation had a pore size of 800 ⁇ m.
- the obtained granulated product was dried with a fluidized bed dryer at a hot air temperature of 55 ° C. for about 10 minutes until the in-bed temperature reached 55 ° C.
- the dried granulated product is obtained by using two toothed rolls installed in parallel with the ground and a crushing crushing apparatus having an inlet above the rolls, and two rolls rotated by this apparatus. It was crushed by passing through the gap.
- the tooth triangle height and width of the toothed roll were 0.6 mm, and the distance between the rolls was 0.25 mm.
- the obtained crushed material was sieved with a mesh having a mesh opening of 500 ⁇ m, and the particles passed through this were further sieved with a mesh having a mesh opening of 250 ⁇ m, and the material remaining on the sieve was collected.
- An agrochemical granular wettable powder composition in the range of 500 ⁇ m was obtained.
- Example 2 40 parts of pyribencarb, 4 parts of sodium alkyl sulfate, 5 parts of sodium lignin sulfonate, and 51 parts of calcium carbonate were mixed and pulverized with a high-speed airflow pulverizer so that the average particle size of each component was 7 ⁇ m. Next, 15 parts of water was added to 100 parts of the obtained pulverized product and further kneaded. When the added water had permeated the whole, the kneaded product was granulated by a lateral extrusion type screw granulator. The screen used in extrusion granulation had a pore diameter of 1,800 ⁇ m.
- the obtained granulated product was dried with a fluidized bed dryer at a hot air temperature of 55 ° C. for about 20 minutes until the in-bed temperature was 55 ° C.
- the dried granulated material is obtained by using a crushing type crushing device having a pair of toothed rolls set in parallel with the ground in two steps up and down, and having an inlet above the roll. The mixture was crushed by passing through the gap between the two rotated rolls.
- the tooth triangle height and width of the upper tooth roll are 1.5 mm, the distance between the rolls is 0.8 mm, and the tooth triangle height and width of the lower tooth roll is 0.6 mm. The distance between the rolls was 0.25 mm.
- the obtained crushed material was sieved with a mesh having a mesh opening of 500 ⁇ m, and the particles passed through this were further sieved with a mesh having a mesh opening of 250 ⁇ m, and the material remaining on the sieve was collected.
- An agrochemical granular wettable powder composition in the range of 500 ⁇ m was obtained.
- Example 3 40 parts of mepanipyrim, 2 parts of sodium alkyl sulfate, 8 parts of sodium lignin sulfonate, and 50 parts of clay were mixed and pulverized with a high-speed air pulverizer so that the average particle size of each component was 5 ⁇ m. Next, 18 parts of water was added to 100 parts of the obtained pulverized product and further kneaded. When the added water had permeated the whole, the kneaded product was granulated by a lateral extrusion type screw granulator. The screen used in extrusion granulation had a pore size of 1,000 ⁇ m. The obtained granulated product was dried with a fluidized bed dryer at a hot air temperature of 55 ° C.
- the dried granulated product is obtained by using two toothed rolls installed in parallel with the ground and a crushing crushing apparatus having an inlet above the rolls, and two rolls rotated by this apparatus. It was crushed by passing through the gap.
- the tooth triangle height and width of the toothed roll were 0.6 mm, and the distance between the rolls was 0.25 mm.
- the obtained crushed material is sieved with a mesh having a mesh size of 600 ⁇ m, and those passed through this are further sieved with a mesh having a mesh size of 150 ⁇ m, and the material remaining on the sieve is collected, and the particle size is 150 to 600 ⁇ m.
- An agrochemical granular wettable powder composition in the range of was obtained.
- Example 4 10 parts of pyribencarb, 30 parts of a 1: 1 weight ratio mixture of iminotadine albesylate and white carbon, 4 parts of sodium alkyl sulfate, 15 parts of maleic anhydride-isobutylene copolymerization condensate, 41 parts of calcium carbonate, It grind
- 20 parts of water was added to 100 parts of the obtained pulverized product and further kneaded. When the added water had permeated the whole, the kneaded product was granulated by a lateral extrusion type screw granulator.
- the screen used in extrusion granulation had a pore size of 600 ⁇ m.
- the obtained granulated product was dried with a fluidized bed dryer at a hot air temperature of 55 ° C. for about 10 minutes until the in-bed temperature reached 55 ° C. After that, the dried granulated product is obtained by using two toothed rolls installed in parallel with the ground and a crushing crushing apparatus having an inlet above the rolls, and two rolls rotated by this apparatus. It was crushed by passing through the gap.
- the tooth triangle height and width of the toothed roll were 0.6 mm, and the distance between the rolls was 0.25 mm.
- the obtained crushed material is sieved with a mesh having a mesh size of 600 ⁇ m, and those passed through this are further sieved with a mesh having a mesh size of 150 ⁇ m, and the material remaining on the sieve is collected, and the particle size is 150 to 600 ⁇ m.
- An agrochemical granular wettable powder composition in the range of was obtained.
- Example 5 50 parts of pyriminobac-methyl, 20 parts of alkylnaphthalene sulfonate sodium formalin condensate, 1 part of polyoxyalkylene alkylaryl ether and 29 parts of calcined diatomaceous earth are mixed together in a high-speed air stream so that the average particle size of each component is 4 ⁇ m It grind
- the obtained granulated product was dried with a fluidized bed dryer at a hot air temperature of 55 ° C. for about 10 minutes until the in-bed temperature reached 55 ° C.
- the dried granulated product is obtained by using two toothed rolls installed in parallel with the ground and a crushing crushing apparatus having an inlet above the rolls, and two rolls rotated by this apparatus. It was crushed by passing through the gap.
- the tooth triangle height and width of the toothed roll were 0.6 mm, and the distance between the rolls was 0.25 mm.
- the obtained crushed material is sieved with a mesh having a mesh size of 500 ⁇ m, and those passed through this are further sieved with a mesh having a mesh size of 250 ⁇ m, and the material remaining on the sieve is collected, and the particle size is 250 to 500 ⁇ m.
- An agrochemical granular wettable powder composition in the range of was obtained.
- Example 6 Pyroxasulfone 85 parts, alkylnaphthalene sulfonate sodium formalin condensate 3 parts, sodium lignin sulfonate 8 parts, polyoxyalkylene aryl ether 1 part, calcined diatomaceous earth 3 parts are mixed, and the average particle size of each component is 5 ⁇ m. So that it was pulverized by a pulverizer in a high-speed air stream. Next, 15 parts of water was added to 100 parts of the obtained pulverized product and further kneaded. When the added water had permeated the whole, the kneaded product was granulated by a lateral extrusion type screw granulator.
- the screen used in extrusion granulation had a pore size of 800 ⁇ m.
- the obtained granulated product was dried with a fluidized bed dryer at a hot air temperature of 55 ° C. for about 10 minutes until the in-bed temperature reached 55 ° C. After that, the dried granulated product is obtained by using two toothed rolls installed in parallel with the ground and a crushing crushing apparatus having an inlet above the rolls, and two rolls rotated by this apparatus. It was crushed by passing through the gap.
- the height and width of the tooth triangle of the toothed roll were 0.6 mm, and the distance between the rolls was 0.25 mm.
- the obtained crushed material is sieved with a mesh having a mesh size of 500 ⁇ m, and those passed through this are further sieved with a mesh having a mesh size of 250 ⁇ m, and the material remaining on the sieve is collected, and the particle size is 250 to 500 ⁇ m.
- An agrochemical granular wettable powder composition in the range of was obtained.
- the obtained granulated product was dried with a fluidized bed dryer at a hot air temperature of 55 ° C. for about 20 minutes until the in-bed temperature was 55 ° C.
- the dried granulated product is obtained by using a crushing type crushing apparatus having two sets of toothed rolls installed in parallel with the ground in three stages on the upper, middle and lower sides and an inlet above the roll. The material was crushed by passing through the gap between the two rotated rolls of the apparatus.
- the height and width of the tooth triangle of the upper tooth roll is 2.0 mm
- the distance between the rolls is 1.5 mm
- the height and width of the tooth triangle of the middle tooth roll is 1.5 mm.
- the distance between the rolls was 0.8 mm, the tooth triangle height and width of the lower toothed roll were 0.6 mm, and the distance between the rolls was 0.25 mm.
- the obtained crushed material is sieved with a mesh having a mesh size of 500 ⁇ m, and those passed through this are further sieved with a mesh having a mesh size of 250 ⁇ m, and the material remaining on the sieve is collected, and the particle size is 250 to 500 ⁇ m.
- An agrochemical granular wettable powder composition in the range of was obtained.
- the dried granulated product is obtained by using two toothed rolls installed in parallel with the ground and a crushing crushing apparatus having an inlet above the rolls, and two rolls rotated by this apparatus. It was crushed by passing through the gap.
- the tooth triangle height and width of the toothed roll were 0.6 mm, and the distance between the rolls was 0.25 mm.
- the obtained crushed material is sieved with a mesh having a mesh size of 500 ⁇ m, and those passed through this are further sieved with a mesh having a mesh size of 250 ⁇ m, and the material remaining on the sieve is collected, and the particle size is 250 to 500 ⁇ m.
- An agrochemical granular wettable powder composition in the range of was obtained.
- the screen used in extrusion granulation had a pore size of 600 ⁇ m.
- the granulated product was dried with a fluidized bed dryer at a hot air temperature of 55 ° C. for about 10 minutes until the in-bed temperature reached 55 ° C.
- the dried granulated product is sieved with a mesh having a mesh size of 600 ⁇ m, and those passed through the sieve are further sieved with a mesh having a mesh size of 150 ⁇ m, and the material remaining on the sieve is collected.
- An agrochemical granular wettable powder composition in the range of 600 ⁇ m was obtained.
- Table 1 shows that the agrochemical granular wettable powder composition of the present invention is highly disintegratable in water and excellent in dispersibility.
- the production method of the agrochemical granular wettable powder composition of the present invention there is little loss of raw materials in the production process, less burden on the machine used for production, and the desired particle size compared to the conventional production method.
- This is a method with a high yield of the pesticide granular wettable powder composition.
- the method of the present invention can be advantageously used in the production of an agrochemical granular wettable powder composition used for controlling pests and weeds of agricultural and horticultural crops.
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Abstract
Description
(1)以下の工程(a)~(e)
(a)農薬活性成分、界面活性剤および水を練合する工程
(b)練合物を孔径が600~2,000μmのスクリーンより押出し造粒
する工程
(c)造粒物を乾燥する工程
(d)ロール表面に凹凸が設けられた2本の歯付ロールを平行に配置し回 転させ、該歯付ロールの間に乾燥した造粒物を通すことによって破 砕する工程
(e)破砕物を篩分する工程
を含むことを特徴とする粒度が50~1,000μmの範囲にある農薬粒状水和剤組成物の製造方法。
(2)工程(e)の破砕物の篩分を、目開きが50~1,000μmの範囲にあるメッシュの2種を用いて行うものである上記(1)記載の農薬粒状水和剤組成物の製造方法。
(3)工程(e)の破砕物の篩分が、粉砕物を、目開きが50~1,000μmの範囲にあるメッシュの2種のうち、目開きの大きいメッシュを用いて篩分し、それを通過したものについて、更に、目開きの小さいメッシュを用いて篩分し、メッシュ上に残ったものを回収することにより行われるものである上記(2)記載の農薬粒状水和剤組成物の製造方法。
(a)農薬活性成分、界面活性剤および水を練合する工程
(b)練合物を孔径が600~2,000μmのスクリーンより押出し造粒
する工程
(c)造粒物を乾燥する工程
(d)ロール表面に凹凸が設けられた2本の歯付ロールを平行に配置し回 転させ、該歯付ロールの間に乾燥した造粒物を通すことによって破 砕する工程
(e)破砕物を篩分する工程
を含むことを特徴とするものである。
で示されるイソオキサゾリン誘導体等を挙げることができる。これらの除草剤の中でもピリミノバックメチル、ピリミスルファン、ピロキサスルホン、式[I]で示されるイソオキサゾリン誘導体が好ましい。
ピリベンカルブ40部、アルキル硫酸ナトリウム4部、リグニンスルホン酸ナトリウム5部、炭酸カルシウム51部を混合し、各成分の平均粒径が7μmとなるように高速気流中粉砕機で粉砕した。次いで、得られた粉砕物100部に対して15部の水を添加して更に混練した。全体に添加水が浸透した時点で、混練物を横押し出し式スクリュー型押し出し造粒機で造粒した。押し出し造粒において用いるスクリーンは、孔径800μmであった。得られた造粒物は熱風温度55℃で10分間程度、層内温度55℃となるまで流動層乾燥機で乾燥した。その後、乾燥した造粒物は、地面と平行に設置した2本の歯付ロールと、ロールの上方に投入口を有する架砕式の破砕装置を用い、この装置の回転させた2本のロールの隙間に通すことで破砕した。歯付ロールの歯の三角形の高さと幅は0.6mm、ロールとロールの間の距離は0.25mmであった。この得られた破砕物を目開き500μmのメッシュで篩別し、これを通過したものについて、更に、目開き250μmのメッシュで篩別し、篩上に残った物を回収し、粒度が250~500μmの範囲にある農薬粒状水和剤組成物を得た。
ピリベンカルブ40部、アルキル硫酸ナトリウム4部、リグニンスルホン酸ナトリウム5部、炭酸カルシウム51部を混合し、各成分の平均粒径が7μmとなるように高速気流中粉砕機で粉砕した。次いで、得られた粉砕物100部に対して15部の水を添加して更に混練した。全体に添加水が浸透した時点で、混練物を横押し出し式スクリュー型押し出し造粒機で造粒した。押し出し造粒において用いるスクリーンは、孔径1,800μmであった。得られた造粒物は熱風温度55℃で20分間程度、層内温度55℃となるまで流動層乾燥機で乾燥した。その後、乾燥した造粒物は、地面と平行に設置した2本1組の歯付ロールを上下に2段と、ロールの上方に投入口を有する架砕式の破砕装置を用い、この装置の回転させた2本のロールの隙間に通すことで破砕した。上段の歯付ロールの歯の三角形の高さと幅は1.5mm、ロールとロールの間の距離は0.8mmであり、下段の歯付ロールの歯の三角形の高さと幅は0.6mm、ロールとロールの間の距離は0.25mmであった。この得られた破砕物を目開き500μmのメッシュで篩別し、これを通過したものについて、更に、目開き250μmのメッシュで篩別し、篩上に残った物を回収し、粒度が250~500μmの範囲にある農薬粒状水和剤組成物を得た。
メパニピリム40部、アルキル硫酸ナトリウム2部、リグニンスルホン酸ナトリウム8部、クレー50部を混合し、各成分の平均粒径が5μmとなるように高速気流中粉砕機で粉砕した。次いで、得られた粉砕物100部に対して18部の水を添加して更に混練した。全体に添加水が浸透した時点で、混練物を横押し出し式スクリュー型押し出し造粒機で造粒した。押し出し造粒において用いるスクリーンは、孔径1,000μmであった。得られた造粒物は熱風温度55℃で10分間程度、層内温度55℃となるまで流動層乾燥機で乾燥した。その後、乾燥した造粒物は、地面と平行に設置した2本の歯付ロールと、ロールの上方に投入口を有する架砕式の破砕装置を用い、この装置の回転させた2本のロールの隙間に通すことで破砕した。歯付ロールの歯の三角形の高さと幅は0.6mm、ロールとロールの間の距離は0.25mmであった。得られた破砕物を目開き600μmのメッシュで篩別し、これを通過したものについて、更に、目開き150μmのメッシュで篩別し、篩上に残った物を回収し、粒度が150~600μmの範囲にある農薬粒状水和剤組成物を得た。
ピリベンカルブ10部、イミノクタジンアルベシル酸塩とホワイトカーボンの重量比1:1の混合物30部、アルキル硫酸ナトリウム4部、無水マレイン酸-イソブチレン共重合縮合物15部、炭酸カルシウム41部を混合し、各成分の平均粒径が9μmとなるように高速気流中粉砕機で粉砕した。次いで、得られた粉砕物100部に対して20部の水を添加して更に混練した。全体に添加水が浸透した時点で、混練物を横押し出し式スクリュー型押し出し造粒機で造粒した。押し出し造粒において用いるスクリーンは、孔径600μmであった。得られた造粒物は熱風温度55℃で10分間程度、層内温度55℃となるまで流動層乾燥機で乾燥した。その後、乾燥した造粒物は、地面と平行に設置した2本の歯付ロールと、ロールの上方に投入口を有する架砕式の破砕装置を用い、この装置の回転させた2本のロールの隙間に通すことで破砕した。歯付ロールの歯の三角形の高さと幅は0.6mm、ロールとロールの間の距離は0.25mmであった。得られた破砕物を目開き600μmのメッシュで篩別し、これを通過したものについて、更に、目開き150μmのメッシュで篩別し、篩上に残った物を回収し、粒度が150~600μmの範囲にある農薬粒状水和剤組成物を得た。
ピリミノバックメチル50部、アルキルナフタレンスルホン酸ナトリウムホルマリン縮合物20部、ポリオキシアルキレンアルキルアリールエーテル1部、焼成珪藻土29部を混合し、各成分の平均粒径が4μmとなるように高速気流中粉砕機で粉砕した。次いで、得られた粉砕物100部に対して15部の水を添加して更に混練した。全体に添加水が浸透した時点で、混練物を横押し出し式スクリュー型押し出し造粒機で造粒した。押し出し造粒において用いるスクリーンは、孔径700μmであった。得られた造粒物は熱風温度55℃で10分間程度、層内温度55℃となるまで流動層乾燥機で乾燥した。その後、乾燥した造粒物は、地面と平行に設置した2本の歯付ロールと、ロールの上方に投入口を有する架砕式の破砕装置を用い、この装置の回転させた2本のロールの隙間に通すことで破砕した。歯付ロールの歯の三角形の高さと幅は0.6mm、ロールとロールの間の距離は0.25mmであった。得られた破砕物を目開き500μmのメッシュで篩別し、これを通過したものについて、更に、目開き250μmのメッシュで篩別し、篩上に残った物を回収し、粒度が250~500μmの範囲にある農薬粒状水和剤組成物を得た。
ピロキサスルホン85部、アルキルナフタレンスルホン酸ナトリウムホルマリン縮合物3部、リグニンスルホン酸ナトリウム8部、ポリオキシアルキレンアリールエーテル1部、焼成珪藻土3部を混合し、各成分の平均粒径が5μmとなるように高速気流中粉砕機で粉砕した。次いで、得られた粉砕物100部に対して15部の水を添加して更に混練した。全体に添加水が浸透した時点で、混練物を横押し出し式スクリュー型押し出し造粒機で造粒した。押し出し造粒において用いるスクリーンは、孔径800μmであった。得られた造粒物は熱風温度55℃で10分間程度、層内温度55℃となるまで流動層乾燥機で乾燥した。その後、乾燥した造粒物は、地面と平行に設置した2本の歯付ロールと、ロールの上方に投入口を有する架砕式の破砕装置を用い、この装置の回転させた2本のロールの隙間に通すことで破砕した。歯付ロールの歯の三角形の高さと幅は0.6mm、ロールとロールの間の間隔は0.25mmであった。得られた破砕物を目開き500μmのメッシュで篩別し、これを通過したものについて、更に、目開き250μmのメッシュで篩別し、篩上に残った物を回収し、粒度が250~500μmの範囲にある農薬粒状水和剤組成物を得た。
ピリベンカルブ40部、アルキル硫酸ナトリウム4部、リグニンスルホン酸ナトリウム5部、炭酸カルシウム51部を混合し、各成分の平均粒径が7μmとなるように高速気流中粉砕機で粉砕した。次いで、得られた粉砕物100部に対して15部の水を添加して更に混練した。全体に添加水が浸透した時点で、混練物を横押し出し式スクリュー型押し出し造粒機で造粒した。押し出し造粒において用いるスクリーンは、孔径300μmのものであったが、スクリーンがパンクしてしまい、造粒が行えず、所期の農薬粒状水和剤組成物を得ることができなかった。
ピリベンカルブ40部、アルキル硫酸ナトリウム4部、リグニンスルホン酸ナトリウム5部、炭酸カルシウム51部を混合し、各成分の平均粒径が7μmとなるように高速気流中粉砕機で粉砕した。次いで、得られた粉砕物100部に対して15部の水を添加して更に混練した。全体に添加水が浸透した時点で、混練物を横押し出し式スクリュー型押し出し造粒機で造粒した。押し出し造粒において用いるスクリーンは、孔径3,000μmであった。得られた造粒物は熱風温度55℃で20分間程度、層内温度55℃となるまで流動層乾燥機で乾燥した。その後、乾燥した造粒物は、地面と平行に設置した2本1組の歯付ロールを上中下に3段と、ロールの上方に投入口を有する架砕式の破砕装置を用い、この装置の回転させた2本のロールの隙間に通すことで破砕した。上段の歯付ロールの歯の三角形の高さと幅は2.0mm、ロールとロールの間の距離は1.5mmであり、中段の歯付ロールの歯の三角形の高さと幅は1.5mm、ロールとロールの間の距離は0.8mmであり、下段の歯付ロールの歯の三角形の高さと幅は0.6mm、ロールとロールの間の距離は0.25mmであった。得られた破砕物を目開き500μmのメッシュで篩別し、これを通過したものについて、更に、目開き250μmのメッシュで篩別し、篩上に残った物を回収し、粒度が250~500μmの範囲にある農薬粒状水和剤組成物を得た。
ピリベンカルブ40部、アルキル硫酸ナトリウム4部、リグニンスルホン酸ナトリウム5部、炭酸カルシウム51部を混合し、各成分の平均粒径が7μmとなるように高速気流中粉砕機で粉砕した。次いで、得られた粉砕物100部に対して15部の水を噴霧しながら、攪拌造粒機で粒径100~5,000μm程度に造粒した。得られた造粒物は熱風温度55℃で10分間程度、層内温度55℃となるまで流動層乾燥機で乾燥した。その後、乾燥した造粒物は、地面と平行に設置した2本の歯付ロールと、ロールの上方に投入口を有する架砕式の破砕装置を用い、この装置の回転させた2本のロールの隙間に通すことで破砕した。歯付ロールの歯の三角形の高さと幅は0.6mm、ロールとロールの間の距離は0.25mmであった。得られた破砕物を目開き500μmのメッシュで篩別し、これを通過したものについて、更に、目開き250μmのメッシュで篩別し、篩上に残った物を回収し、粒度が250~500μmの範囲にある農薬粒状水和剤組成物を得た。
ピリベンカルブ40部、アルキル硫酸ナトリウム4部、リグニンスルホン酸ナトリウム5部、炭酸カルシウム51部を混合し、各成分の平均粒径が7μmとなるように高速気流中粉砕機で粉砕した。次いで、得られた粉砕物100部に対して15部の水を噴霧しながら、攪拌造粒機で粒径100~5,000μm程度に造粒した。得られた造粒物は、乾燥させずに、地面と平行に設置した2本の歯付ロールと、ロールの上方に投入口を有する架砕式の破砕装置を用い、この装置の回転させた2本のロールの隙間に通すことで破砕しようとしたが、ロールの間で造粒物同士が再び練り合わされてしまうため、破砕が進行せず、所期の農薬粒状水和剤組成物を得ることができなかった。なお、歯付ロールの歯の三角形の高さと幅は0.6mm、ロールとロールの間の距離は0.25mmであった。
ピリベンカルブ10部、イミノクタジンアルベシル酸塩とホワイトカーボンの重量比1:1の混合物30部、アルキル硫酸ナトリウム4部、ナフタレンスルホン酸ホルムアルデヒド縮合物ナトリウム塩15部、炭酸カルシウム41部を混合し、各成分の平均粒径が9μmとなるように高速気流中粉砕機で粉砕した。次いで、得られた粉砕物100部に対して20部の水を添加して更に混練した。全体に添加水が浸透した時点で、混練物を横押し出し式スクリュー型押し出し造粒機で造粒した。押し出し造粒において用いるスクリーンは、孔径600μmであった。造粒物を熱風温度55℃で10分間程度、層内温度55℃となるまで流動層乾燥機で乾燥した。この乾燥した造粒物を目開き600μmのメッシュで篩別し、これを通過したものについて、更に、目開き150μmのメッシュで篩別し、篩上に残った物を回収し、粒度が150~600μmの範囲にある農薬粒状水和剤組成物を得た。
崩壊試験:
炭酸カルシウム0.3077gおよび酸化マグネシウム0.092gを少量の希塩酸に溶かした後、砂浴上で加熱し、沸騰させて塩酸を除去した。残った溶液に蒸留水を加えて全量を10Lとした。次いで、得られた溶液100mLを100mL共栓付メスシリンダーに入れ、恒温室中で20℃に保った。該メスシリンダー内に実施例1~6および比較例5で製造された農薬粒状水和性組成物を100mg投入し、30秒間静置した後、1秒間に1回の割合でメスシリンダーの倒立を繰り返し、該農薬粒状水和性組成物を完全に崩壊させるのに要する倒立回数を測定した。結果を表1に示す。
製造効率の評価:
総計10kgの原料を用いて、前記実施例および比較例に準じて農薬粒状水和剤組成物を製造し、最終的に得られた農薬粒状水和剤組成物の重量を測定した。結果を表2に示す。
Claims (3)
- 以下の工程(a)~(e)
(a)農薬活性成分、界面活性剤および水を練合する工程
(b)練合物を孔径が600~2,000μmのスクリーンより押
出し造粒する工程
(c)造粒物を乾燥する工程
(d)ロール表面に凹凸が設けられた2本の歯付ロールを平行に配
置し回転させ、該歯付ロールの間に乾燥した造粒物を通すこ
とによって破砕する工程
(e)破砕物を篩分する工程
を含むことを特徴とする粒度が50~1,000μmの範囲にある農薬粒状水和剤組成物
の製造方法。 - 工程(e)の破砕物の篩分を、目開きが50~1,000μmの範囲にあるメッシュの2種を用いて行うものである請求項1記載の農薬粒状水和剤組成物の製造方法。
- 工程(e)の破砕物の篩分が、粉砕物を、目開きが50~1,000μmの範囲にあるメッシュの2種のうち、目開きの大きいメッシュを用いて篩分し、それを通過したものについて、更に、目開きの小さいメッシュを用いて篩分し、メッシュ上に残ったものを回収することにより行われるものである請求項2記載の農薬粒状水和剤組成物の製造方法。
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CA2744569A CA2744569C (en) | 2008-12-01 | 2009-11-04 | Process for producing water-dispersible particulate agricultural-chemical composition |
MX2011005798A MX2011005798A (es) | 2008-12-01 | 2009-11-04 | Procedimiento para producir una composicion agricola quimica particulada dispersable en agua. |
EP09830281.3A EP2371218B1 (en) | 2008-12-01 | 2009-11-04 | Process for producing water-dispersible particulate agricultural-chemical composition |
CN200980145809.0A CN102215678B (zh) | 2008-12-01 | 2009-11-04 | 水分散粒剂农药组合物的制备方法 |
BRPI0916512-6A BRPI0916512B1 (pt) | 2008-12-01 | 2009-11-04 | Process for producing an agrochemical composition of particle dispersible in water |
ES09830281.3T ES2447846T3 (es) | 2008-12-01 | 2009-11-04 | Procedimiento de producción de una composición agroquímica particulada, dispersable en agua |
US13/132,032 US8632709B2 (en) | 2008-12-01 | 2009-11-04 | Process for producing water-dispersible particulate agricultural-chemical composition |
JP2010541275A JP5432182B2 (ja) | 2008-12-01 | 2009-11-04 | 農薬粒状水和剤組成物の製造方法 |
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JP2008308447A (ja) * | 2007-06-15 | 2008-12-25 | Kumiai Chem Ind Co Ltd | 農薬粒状水和剤組成物の製造方法 |
JP2015010045A (ja) * | 2013-06-27 | 2015-01-19 | 日産化学工業株式会社 | 農薬粒状組成物 |
WO2017094677A1 (ja) * | 2015-11-30 | 2017-06-08 | クミアイ化学工業株式会社 | 水性懸濁農薬組成物およびその散布方法 |
WO2017094678A1 (ja) * | 2015-11-30 | 2017-06-08 | クミアイ化学工業株式会社 | 農薬組成物およびその散布方法 |
WO2017094676A1 (ja) * | 2015-11-30 | 2017-06-08 | クミアイ化学工業株式会社 | 水性懸濁農薬組成物 |
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MX2010011223A (es) * | 2008-04-25 | 2010-12-21 | Nippon Soda Co | Composicion agroquimica granulada y procedimiento de su produccion. |
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CA3074194A1 (en) | 2020-02-28 | 2021-08-28 | Fluid Energy Group Ltd. | Modified sulfuric acid and uses thereof |
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US11406105B2 (en) | 2015-11-30 | 2022-08-09 | Kumiai Chemical Industry Co., Ltd. | Agrochemical composition and dispersal method therefor |
US20220240513A1 (en) * | 2021-02-01 | 2022-08-04 | Valent Biosciences Llc | Process for preparing 1-amino-1-cyclopropanecarboxylic acid granules |
Also Published As
Publication number | Publication date |
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US8632709B2 (en) | 2014-01-21 |
CN102215678B (zh) | 2014-04-02 |
BRPI0916512B1 (pt) | 2017-12-12 |
CA2744569C (en) | 2014-01-28 |
CN102215678A (zh) | 2011-10-12 |
JP5432182B2 (ja) | 2014-03-05 |
MX2011005798A (es) | 2011-06-20 |
KR101355004B1 (ko) | 2014-01-23 |
EP2371218A4 (en) | 2012-11-07 |
CA2744569A1 (en) | 2010-06-10 |
BRPI0916512A2 (pt) | 2016-09-06 |
EP2371218B1 (en) | 2014-01-01 |
EP2371218A1 (en) | 2011-10-05 |
ES2447846T3 (es) | 2014-03-13 |
US20110233812A1 (en) | 2011-09-29 |
KR20110102323A (ko) | 2011-09-16 |
JPWO2010064513A1 (ja) | 2012-05-10 |
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