Classifications

• • 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
  • 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
  • A01N25/30—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 characterised by the surfactants
• • 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
  • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
  • A01N37/52—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing groups, e.g. carboxylic acid amidines
• • 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
  • A01N47/40—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 a double or triple bond to nitrogen, e.g. cyanates, cyanamides
  • A01N47/42—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 a double or triple bond to nitrogen, e.g. cyanates, cyanamides containing —N=CX2 groups, e.g. isothiourea
  • A01N47/44—Guanidine; Derivatives thereof

Definitions

• the present invention relates to a granular wettable powder which is excellent in disintegration and dispersibility in water even after being stored at high temperature.
• Granule wettable powders are increasing in demand because of their ease of use, safety, and space saving during transportation. Has been done.
• Granule wettable powders are usually obtained by adding and mixing auxiliary agents such as wetting agents, dispersants, binders, and bulking agents to the active ingredients of agricultural chemicals (agrochemical ingredients) and granulating them into granules. can get.
• Granule wettable powder is usually used after diluting and suspending with water about 10 to 10,000 times.
• Granule wettable powders are required to disintegrate and disperse quickly after being added to water, and various proposals have been made to improve disintegration and dispersibility. If it is inferior in disintegration or dispersibility, the active ingredients of agricultural chemicals are separated in water, causing uneven spraying, which may cause phytotoxicity to crops.
• Non-patent Document 1 a method of mixing the agrochemical active ingredient with a large amount of an inactive substance to prepare a formulation and a method of adsorbing a solution of the agrochemical active ingredient on a carrier to prepare the formulation.
• an agrochemical active ingredient that is liquid at normal temperature, a saccharide, a fired product of wet-process silica, a granule hydrate obtained by mixing and granulating bentonite and an anionic surfactant (Patent Document 1), melting point 70 A granulated wettable powder obtained by granulating a baked product of a wet process silica and an anionic surfactant to an agrochemical active ingredient at a temperature of °C or less, and further adding a solvent and a water-soluble carrier has been proposed (patent) Reference 2).
• the granule wettable powders proposed in these show good disintegration and dispersibility when put into water immediately after granulation or after low-temperature storage. However, after being exposed to high temperatures for a long time, such as when stored in a warehouse without temperature control equipment, disintegration and dispersibility will decrease, causing the active ingredients of agricultural chemicals to separate in water, resulting in dispersion unevenness. was there.
• Granule hydration obtained by granulating a mixture of an agrochemical active ingredient having a melting point or softening point of 70 ° C. or less, an N-acylamino acid salt as a dispersant, and an adsorbent as an improved disintegration and dispersibility An agent has been proposed (Patent Document 3). However, since there are countries that regulate the use of N-acylamino acid salts, the granule dispersant cannot be used in the regulated countries.
• An object of the present invention is a granule wettable powder containing an agrochemical active ingredient having a melting point or a softening point of 70 ° C. or less, which is excellent in disintegration and dispersibility in water and suppressed phytotoxicity even after being stored at a high temperature. Is to provide.
• the inventor obtained a premix preparation by mixing an active ingredient of agricultural chemicals having a melting point or softening point of 70 ° C. or less and acidic white carbon, and then the premix preparation and the base By mixing and granulating a reactive white carbon, a polycarboxylic acid surfactant and a saccharide having a molecular weight of 400 or less, it is excellent in disintegration and dispersibility in water and has no phytotoxicity even after storage at high temperature. It has been found that an inhibited granular wettable powder is obtained. The present invention has been completed by further studies based on this finding.
• the present invention is a granular wettable powder containing an agrochemical active ingredient having a melting point or softening point of 70 ° C. or less, acidic white carbon, basic white carbon, a polycarboxylic acid surfactant and a saccharide having a molecular weight of 400 or less.
• the saccharide is preferably at least one selected from the group consisting of glucose, sorbitol, lactose, sucrose and maltose.
• the said pesticidal active ingredient is iminotadine albesylate.
• the present invention also provides a premix preparation by mixing an agrochemical active ingredient having a melting point or softening point of 70 ° C. or less and acidic white carbon, the premix preparation, basic white carbon, and a polycarboxylic acid surfactant. And a saccharide having a molecular weight of 400 or less, and granulating the resulting mixture.
• the granule wettable powder of the present invention is excellent in disintegration and dispersibility in water even after being stored at high temperature. That is, disintegration and dispersibility do not deteriorate even after being exposed to a high temperature for a long time due to storage in a warehouse without temperature control equipment. Moreover, since it is excellent in the disintegration property and dispersibility in water, an agricultural chemical active ingredient is hard to isolate
• the granule wettable powder of the present invention is suitable as an agricultural and horticultural agricultural chemical.
• the granule wettable powder of the present invention contains an agrochemical active ingredient having a melting point or softening point of 70 ° C. or less, acidic white carbon, basic white carbon, a polycarboxylic acid surfactant and a saccharide having a molecular weight of 400 or less. is there.
• the agrochemical active ingredient used for the granule wettable powder of the present invention has a melting point or softening point of 70 ° C. or less.
• compounds generally used as agrochemicals such as bactericides, insecticides, acaricides, plant growth regulators, herbicides, fungicides, fungicides, fungicides, and algaecides can be used. . These compounds can be used alone or in admixture of two or more.
• agrochemical active ingredient having a melting point of 70 ° C. or less for example, 2- (1,2-dimethylpropylamino) -4-ethylamino-6-methylthio-1,3,5-triazine (generic name: dimetamethrin, melting point: 65 ° C), S, S-dimethyl-2- (difluoromethyl) -4-isobutyl-6- (trifluoromethyl) -3,5-pyridinedicarbothionate (generic name: dithiopyr, melting point: 65 ° C), 2 , 3-Dihydro-3,3-dimethylbenzofuran-5-ylethanesulfonate (generic name: benfrate, melting point: 32-35 ° C.), butyl (R) -2- [4- (4-cyano-2-fluoro Phenoxy) phenoxy] propionate (generic name: cihalohop butyl, melting point: 50 ° C
• active agricultural chemicals that are liquid at room temperature
• active agricultural chemicals include, for example, 2-chloro-2 ′, 6′-diethyl-N- (2-propoxyethyl) -acetanilide (generic name: pretilachlor), S-benzyl-N— ( 1,2-dimethylpropyl) -N-ethylthiocarbamate (generic name: Esprocarb).
• an agrochemical active ingredient having a softening point of 70 ° C.
• 1,1′-iminodi octamethylene
• diguanidinium tris alkylbenzenesulfonate
• iminoctadine albecyl salt softening point: 55 to 60 ° C.
• Etc aric name: iminoctadine albecyl salt, softening point: 55 to 60 ° C.
• iminotadine albesylate is suitable for the granular wettable powder of the present invention.
• the granule wettable powder of the present invention may contain an agrochemical active ingredient having a melting point and a softening point exceeding 70 ° C.
• an agrochemical active ingredient compounds generally used as agrochemicals such as bactericides, insecticides, acaricides, plant growth regulators, herbicides, fungicides, fungicides, fungicides, and algaecides can be used. . These compounds can be used alone or in admixture of two or more.
• Pesticide active ingredients having a melting point and softening point exceeding 70 ° C. include, for example, 2-isopropylphenyl-N-methylcarbamate (generic name: MIPC, melting point: 88-93 ° C.), 3,5-xylyl-N-methyl Carbamate (generic name: XMC, melting point: 99-100 ° C.), 3- (4-tert-butyl-2-ethoxyphenyl) -2- (2,6-difluorophenyl) -4,5-dihydrooxazole (general Name: etoxazole, melting point: 101-102 ° C.), O-3-tert-butylphenyl-6-methoxy-2-pyridyl (methyl) thiocarbamate (generic name: pyributicalbu, melting point: 85.7-86.2 ° C.) ), 5- (2,4-dichlorophenoxy) -2-nitromethylbenzoate (generic name: biphenox
• bis (dimethylthiocarbamoyl) disulfide (generic name: thiuram, melting point: 155 ⁇ 156 ° C.), N- (2,3-dichloro-4-hydroxyphenyl) -1-methylcyclohexanecarboxamide (generic name: phenhexamide, melting point: 153 ° C.), zinc ion coordinated Manganese ethylene bisdithiocarbamate (Generic name: mancozeb, melting point: 192 ° C.
• the active ingredient of agricultural chemicals having a melting point or softening point of 70 ° C. or less is 0.1 to 50% by mass with respect to the entire granular wettable powder.
• the amount of the pesticidal active ingredient whose melting point or softening point exceeds 70 ° C. is usually 10% by mass or less, preferably 5% by mass or less, based on the entire pesticidal active ingredient.
• the acidic white carbon used in the granular wettable powder of the present invention has a pH of usually 6 to 7, preferably 6 to 7.5 in a 1% suspension of amorphous silicon dioxide powder.
• Acidic white carbon has an average particle diameter d 50 determined by laser diffraction of usually 1 to 500 ⁇ m, preferably 10 to 100 ⁇ m. The particle size can be adjusted by pulverization or the like.
• Examples of commercial products of acidic white carbon include Carplex # 80 (trade name / manufactured by DSL Japan), Carplex XR (trade name / manufactured by DSL Japan), Carplex FPS-3 (trade name / DSL Japan) ), Carplex CS-8 (trade name / manufactured by DSL Japan), nip seal NS-K (trade name / manufactured by Nippon Silica Industry), nip seal NS-KR (trade name / manufactured by Japan Silica Industry), Toxeal NSK (Trade name / manufactured by Tokuyama Corporation), Tokuseal P (trade name / manufactured by Tokuyama Corporation), and the like.
• the amount of acidic white carbon is usually 1 to 50% by mass, preferably 10 to 30% by mass, based on the whole granulated wettable powder.
• the basic white carbon used in the granular wettable powder of the present invention has a pH of usually 8 to 14, preferably 9 to 13, more preferably 10 to 12 in a 1% suspension of amorphous silicon dioxide powder. Is.
• the basic white carbon has an average particle diameter d 50 determined by laser diffraction of usually 2 to 100 ⁇ m, preferably 5 to 20 ⁇ m. The particle size can be adjusted by pulverization or the like.
• Examples of basic white carbon commercial products include Carplex # 100 (trade name / manufactured by DSL Japan), Carplex # 1120 (trade name / manufactured by DSL Japan), and Toxeal AL-1 (trade name / Tokuyama).
• Nip seal NA (trade name / manufactured by Nippon Silica Industry Co., Ltd.)
• nip seal G300 trade name / manufactured by Japan Silica Industry Co., Ltd.
• DUROSIL (trade name / manufactured by DSL Japan)
• EXTRUSIL trade name / manufactured by DSL Japan
• the amount of basic white carbon is preferably from 0.1 to 50% by mass, more preferably from 1 to 20% by mass, based on the whole granulated wettable powder.
• the polycarboxylic acid surfactant used in the granule wettable powder of the present invention is a polymer surfactant mainly having carboxylic acid as a structural unit.
• the polymeric surfactant preferably has a molecular weight of 1,000 to 50,000.
• Examples of the polycarboxylic acid surfactant include (1) a polymer of an ethylenically unsaturated monocarboxylic acid, and (2) a copolymer of an ethylenically unsaturated monocarboxylic acid and an ethylenically unsaturated dicarboxylic acid or an anhydride thereof.
• Examples of the ethylenically unsaturated monocarboxylic acid include acrylic acid, methacrylic acid, and crotonic acid.
• Examples of the ethylenically unsaturated dicarboxylic acid include maleic acid, fumaric acid, itaconic acid and the like.
• Examples of the alkene having 2 to 6 carbon atoms include ethylene, propene, butylene, isobutylene, diisobutylene and the like.
• Examples of the aromatic vinyl compound include styrene, ⁇ -methyl styrene, vinyl toluene, p-methyl styrene and the like.
• polycarboxylic acid surfactant examples include polyacrylic acid, a copolymer of acrylic acid and maleic acid, a copolymer of isobutylene and maleic anhydride, a copolymer of acrylic acid and itaconic acid, Examples thereof include a copolymer of methacrylic acid and itaconic acid, a copolymer of maleic acid and styrene, a copolymer of maleic acid and diisobutylene, and salts thereof.
• the salt examples include alkali metal salts such as lithium, sodium, and potassium; alkaline earth metal salts such as calcium and magnesium; amine salts such as monomethylamine, monoethylamine, and dimethylamine, and ammonium salts. .
• Isoban 600SF35 (trade name / manufactured by Kuraray Co., Ltd.) as a salt of isobutylene and maleic anhydride copolymer
• Toxanone GR31A (trade name / manufactured by Sanyo Kasei Co., Ltd.) as a salt of isobutylene and maleic anhydride copolymer
• Boise 530 (trade name / manufactured by Kao Corporation);
• Boise 532A (trade name / manufactured by Kao Corporation) as ammonium polyacrylate;
• Boise 520 (trade name / manufactured by Kao Corporation) as a salt of a copolymer of acrylic acid and maleic acid or Boise 521 (trade name / manufactured by Kao);
• Neucargen WG-5 (trade name / manufactured by Takemoto Yushi), S-SMA3000 (trade name / manufactured by ARCO CHEMICAL), S- SMA1000 (trade name / ARCO CHEMICAL), S-SMA1440H (
• the amount of the polycarboxylic acid-based surfactant is not particularly limited, but is usually 0.5 to 10% by mass, preferably 1 to 7% by mass, based on the whole granulated wettable powder.
• saccharide used in the granular wettable powder of the present invention examples include monosaccharides and disaccharides having a molecular weight of 400 or less, and derivatives thereof.
• Preferable examples include glucose, galactose, mannose, fructose, maltose, sorbitol, lactose, sucrose, mannitol, and more preferable examples include glucose, sorbitol, lactose, sucrose, maltose.
• These saccharides can be used singly or in combination of two or more.
• the amount of the saccharide having a molecular weight of 400 or less is not particularly limited, but is usually 1 to 15% by mass, preferably 2 to 10% by mass with respect to the whole granulated wettable powder.
• the granule wettable powder of the present invention can further contain a wetting agent, a bulking agent, and a binder other than those described above, if necessary. In that case, it is preferable to maintain the blending ratio of the above components within the above range.
• wetting agent examples include sodium alkyl naphthalene sulfonate, sodium alkyl sulfate, sodium alkyl benzene sulfonate, sodium alkyl sulfosuccinate, polyoxyethylene alkyl aryl ether, and the like.
• extender examples include mica, calcium carbonate, kaolin clay, clay, bentonite, diatomaceous earth, zeolite, attapulgite, acid clay, talc, magnesium carbonate, titanium dioxide, ammonium sulfate, sodium sulfate, urea, and the like.
• binder examples include carboxymethyl cellulose, polyvinyl alcohol, polyvinyl pyrrolidone, dextrin, and soluble starch.
• the shape of the granular wettable powder of the present invention varies depending on the preparation means and conditions, etc., but is usually indeterminate, cubic, rectangular parallelepiped, triangular pyramid, conical, cylindrical, spherical, dumbbell-shaped, elliptical, It is egg-shaped, convex lens-shaped, concave lens-shaped, plate-shaped or the like. Of these, amorphous, cylindrical, spherical and elliptical are preferable. Further, the size of the granule wettable powder is preferably 0.1 to 5 mm at the maximum length portion.
• the particle size of the granular wettable powder of the present invention is preferably in the range of 50 ⁇ m to 2000 ⁇ m, for example, and more preferably in the range of 100 ⁇ m to 800 ⁇ m.
• these particle sizes do not require that all granules have a particle size within these ranges, and the particle size of a granule that occupies the maximum of the total particle size distribution (so-called mode diameter) is within these ranges. I just need it.
• mode diameter the particle size of a required particle size can be obtained by classification.
• the granule wettable powder of the present invention is publicly known using an agrochemical active ingredient having a melting point or softening point of 70 ° C. or less, acidic white carbon, basic white carbon, a polycarboxylic acid surfactant and a saccharide having a molecular weight of 400 or less. It can manufacture by the method of.
• active ingredients for agricultural chemicals having a melting point or softening point of 70 ° C. or lower acidic white carbon, basic white carbon, polycarboxylic acid surfactants and saccharides having a molecular weight of 400 or lower, and wetting agents added as necessary ( Dialkylsulfosuccinate, etc.), extenders and binders can be produced by adding a solvent (water, alcohol, etc.), if necessary, mixing at once, extruding granulation, and drying. Furthermore, after the drying, sizing and the like can be performed.
• the pesticidal active ingredient when the pesticidal active ingredient is liquid at room temperature, the ingredients other than the pesticidal active ingredient are extruded and granulated in the same manner as described above to obtain granules, and the pesticidal active ingredient is absorbed into the granules. can do.
• a premix preparation is obtained by mixing an agrochemical active ingredient having a melting point or softening point of 70 ° C. or less and acidic white carbon, and the premix preparation and basic white carbon are mixed.
• a production method including mixing a polycarboxylic acid surfactant and a saccharide having a molecular weight of 400 or less and granulating the resulting mixture is suitable. After granulation, it can be further dried, pulverized and classified as necessary.
• Premix (premix) process An agrochemical active ingredient having a melting point or softening point of 70 ° C. or less and acidic white carbon are mixed. Thereby a premix formulation is obtained.
• a mixer such as a ribbon mixer, a nauta mixer or a mixing granulator can be used.
• the active ingredient of the agrochemical may be used as it is for mixing with the active white carbon, or the active ingredient may be dissolved in a solvent to form a solution and used for mixing with the acidic white carbon.
• Examples of the solvent for dissolving the active ingredient of agricultural chemicals include alcohols such as methanol and ethanol; ketones such as acetone and methyl ethyl ketone; aromatic hydrocarbons, fatty acid esters, phthalic acid esters, vegetable oils, and the like.
• the pesticide active ingredient When the pesticide active ingredient is provided in a liquid (when the active ingredient of the pesticide active ingredient is a liquid or in the case of a solution as described above), the pesticide active ingredient is easily adsorbed on the acidic white carbon. Moreover, in mixing with an agrochemical active ingredient and acidic white carbon, it can aggregate and make it a lump. In addition, you may remove a solvent by means, such as heating and pressure reduction, after mixing an agrochemical active ingredient and acidic white carbon.
• the mixture obtained by mixing the pesticidal active ingredient and acidic white carbon is pulverized as necessary.
• the pulverizing means is not particularly limited, and examples thereof include dry pulverizers such as a pin mill, a hammer mill, a ball mill, and a jet mill.
• the mixing means is not particularly limited, and can be appropriately selected from those listed as used in the premix step.
• an agrochemical active ingredient can be further added.
• the agrochemical active ingredient added in this mixing may be the same as or different from that added during the premixing.
• the mixture may be pulverized as necessary.
• the pulverizing means is not particularly limited, and can be appropriately selected from those listed as used in the premix step.
• kneading can be performed while adding water and moistening.
• Known methods and means can be used for the method of adding water. For example, there are methods such as dripping, jetting, or spraying.
• a kneader can be used for kneading. Examples of the kneader include a Nauter mixer, a ribbon mixer, a Henschel mixer, and a kneader. Of these, a kneader is preferable.
• the water added during kneading is not particularly limited.
• purified water such as tap water, industrial water, distilled water, ion exchange resin treated water, reverse osmosis membrane (RO) treated water and ultrafiltration membrane (UF) treated water
• natural water such as ground water, flooded water, river lake water Water
• the amount of water added during kneading is usually 3 to 70% by weight, preferably 5 to 60% by weight, based on the mixture.
• the kneading time varies depending on the production scale and the type of the kneader, but is preferably 3 minutes to 60 minutes, more preferably 5 minutes to 20 minutes.
• the obtained kneaded material is granulated.
• the granulator include a basket type granulator; an extrusion granulator such as a horizontal extruder, a twin dome gran, a single dome gran and a pelletizer; and a compression granulator such as a roller compactor. Of these, an extrusion granulator is preferred.
• the extrusion particle size varies depending on the raw materials used and / or the amount of added water, but is preferably 0.2 to 2.0 mm, more preferably 0.5 to 1.2 mm.
• the granulated product obtained by the above-mentioned method can be used as it is as the granule wettable powder of the present invention, but if necessary, it is dried, sized or classified and used as the granule wettable powder of the present invention. Can be used.
• the drying process is not particularly limited as long as it can remove the water added in the kneading process and the like and the composition does not undergo a chemical change.
• the drying temperature and drying time vary depending on the amount of water added and the apparatus used, but can usually be room temperature to 100 ° C., preferably 40 ° C. to 90 ° C., usually 2 minutes to 3 hours, preferably It can be 10 minutes to 1 hour.
• Examples of the dryer include an aeration band dryer, a stirring dryer, a fluidized bed dryer, a vibration dryer, and a bed dryer.
• the particle sizer is not particularly limited as long as an appropriate particle size can be obtained.
• screw type extruders such as meat chopper (manufactured by Hiraga Kogaku Co., Ltd.) and Dome Gran (manufactured by Fuji Powdal Co., Ltd.), vertical crushers such as Rotoplex (manufactured by Hosokawa Micron Corporation), roll granulators ( Crushing type crushers such as Nippon Granulator Co., Ltd., Malmerizer, Pin Mill, etc. can be mentioned.
• Classifier is not particularly limited. Examples thereof include a gyro shifter and an electromagnetic vibration type sieving machine.
• the granule wettable powder of the present invention can be applied to crops, soil, and the like with a sprayer after being poured into water and dispersed and diluted.
• the dilution ratio in water varies depending on the type, content and application purpose of the active ingredient of the agrochemical in the granular wettable powder, but is usually 10 to 10,000 times, preferably 50 to 8000 times, more preferably 500 to 4000 times. is there.
• the water used for dilution / suspension is not particularly limited, and may be either soft water or hard water.
• purified water such as tap water, industrial water, distilled water, ion exchange resin treated water, reverse osmosis membrane (RO) treated water and ultrafiltration membrane (UF) treated water
• natural water such as ground water, flooded water, river lake water Water
• the granule wettable powder of the present invention can be a container or package that can be used with normal granules or wettable powder, such as aluminum bags, paper bags, paper packs, and plastic bottles.
• normal granules or wettable powder such as aluminum bags, paper bags, paper packs, and plastic bottles.
• a paper bag, a plastic bag, a plastic bottle or the like with an aluminum bag or an interior coated with aluminum is preferable.
• by filling the bag packed in the water-soluble pack into a bag that prevents moisture absorption it is possible to prevent moisture absorption during storage, improve safety, and handleability during dilution.
• Example 1 50 parts by mass of iminotadine albecyl salt (softening point: 60 ° C.) was dissolved in 50 parts by mass of methanol. This solution was mixed with 50 parts by mass of acidic white carbon (trade name “Carplex XR” manufactured by Shionogi & Co., Ltd.), heated at 50 ° C. to distill off methanol. The obtained powdery mixture was pulverized using a jet mill (trade name “Supersonic Jet Mill PJM” manufactured by Nippon Pneumatic Industry Co., Ltd.), and granules containing 50% iminoctadine albecyl salt (premix preparation) )
• Siflufenamide (general name / manufactured by Nippon Soda Co., Ltd .; melting point: about 62 ° C.) 3.4 parts by mass, 40 parts by mass of the premix preparation, basic white carbon (trade name “Carplex # 1120” manufactured by DSL Japan) 10 parts by mass, 25 parts by mass of sodium polycarboxylate (trade name “New Calgen WG-5” manufactured by Takemoto Yushi), 5 parts by mass of sorbitol, sodium dioctylsulfosuccinate (trade name “New Calgen EX-70 manufactured by Takemoto Yushi” 3 parts by mass (containing 30% sodium benzoate) and 13.6 parts by mass of potassium chloride were mixed and pulverized with an air pulverizer (trade name “Ulmax” manufactured by Nisso Engineering Co., Ltd.).
• Example 1 The same operation as in Example 1 except that basic white carbon (trade name “Carplex # 1120” manufactured by DSL Japan) was replaced with acidic white carbon (trade name “Carplex # 80” manufactured by DSL Japan). To obtain a granulated wettable powder.
• Example 2 Except for changing the amount of sorbitol to 0 parts by mass and the amount of potassium chloride to 18.6 parts by mass, the same operation as in Example 1 was performed to obtain a granular wettable powder.
• Comparative Example 3 The same operation as Comparative Example 2 except that basic white carbon (trade name “Carplex # 1120” manufactured by DSL Japan) was replaced with acidic white carbon (trade name “Carplex # 80” manufactured by DSL Japan). To obtain a granulated wettable powder.
• the granule wettable powder obtained in Examples and Comparative Examples was evaluated by the following method. The results are shown in Table 1. (Evaluation of self-dispersibility) When 100 mL of water is added, 100 mL of 3 degree hard water based on the pesticide process inspection method is added to a test tube whose distance from the water surface to the bottom is about 180 mm and the spatial volume is 30 mL. Then, the state until the granule wettable powder sinks to the bottom was observed, and judged according to the following criteria. ⁇ : Disintegration started before the granular wettable powder reached the bottom of the test tube. X: It did not disintegrate at all until the granule wettable powder reached the bottom of the test tube.
• ⁇ indicates that there is self-dispersibility, and ⁇ indicates that there is no self-dispersibility.
• O to X represent cases where the particles generally have self-dispersibility but some of the granules do not have self-dispersibility.
• X to ⁇ represent cases where some of the granules have no self-dispersibility but have self-dispersibility.
• the conventional granule dispersant has self-dispersibility and is excellent in disintegration and dispersibility in water.
• the self-dispersibility is lost and the disintegration and dispersibility are reduced.
• the granule dispersant of the present invention maintains its self-dispersibility even after high-temperature storage, and the degradation of disintegration and dispersibility is small.
• the granule wettable powder of the present invention is suitable as an agricultural and horticultural agricultural chemical because its disintegration and dispersibility do not decrease even after storage at high temperatures.

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• Life Sciences & Earth Sciences (AREA)
• General Health & Medical Sciences (AREA)
• Health & Medical Sciences (AREA)
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• Pest Control & Pesticides (AREA)
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• Engineering & Computer Science (AREA)
• Dentistry (AREA)
• Agronomy & Crop Science (AREA)
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• Agricultural Chemicals And Associated Chemicals (AREA)

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• 2009
  • 2009-08-20 TW TW102124165A patent/TWI542282B/zh active
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