CN101282648A - Water-suspendable agricultural chemical composition - Google Patents

Water-suspendable agricultural chemical composition Download PDF

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Publication number
CN101282648A
CN101282648A CNA200680033280XA CN200680033280A CN101282648A CN 101282648 A CN101282648 A CN 101282648A CN A200680033280X A CNA200680033280X A CN A200680033280XA CN 200680033280 A CN200680033280 A CN 200680033280A CN 101282648 A CN101282648 A CN 101282648A
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composition
agricultural chemical
chemical composition
water
suspendable
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CN101282648B (en
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富冈淳志
长谷川宏
须田由纪子
山中盛生
全运善
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Syngenta Participations AG
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N47/00Biocides, 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
    • A01N47/08Biocides, 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
    • A01N47/28Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/36Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N25/00Biocides, 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
    • A01N25/02Biocides, 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 containing liquids as carriers, diluents or solvents

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Plant Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Agronomy & Crop Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Toxicology (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The object of the invention is to provide a water-suspendable agricultural chemical composition comprising a liquid agricultural chemical ingredient and a solid agricultural chemical ingredient that ensures satisfactory dispersion, suspension, emulsification or combinations thereof of the contained ingredients and prevents decomposition of active ingredients while also inhibiting their precipitation and aggregation even when stored for a long period of time. The invention is carried out by preparing a water-suspendable agricultural chemical composition, which comprises at least one liquid agricultural chemical ingredient, at least one solid agricultural chemical ingredient, at least an oil and at least a surfactant.

Description

Water-suspendable agricultural chemical composition
The present invention relates to a kind of stable water-suspendable agricultural chemical composition, it comprises at least a liquid agricultural chemical composition and at least a solid agricultural chemical composition.
Agrochemical substances is based on that the medicine form of composition classifies, particularly be used under the situation of paddy rice at agrochemical substances, because it uses purpose is to remove harmful insect and do not expect plant, for example gramineous grass in the rice field and weeds are owing to can use the agrochemical substances of requirement and labor savings and mainly consider solid granulates simultaneously really.Yet for particulate composition, problem is to be difficult to spray equably whole land for growing field crops.In addition, attempted recently utilizing increasing particle self size, the technology that promptly increases active component (herbicidal active component) amount and the minimizing amount of spraying is increased work efficiency.
On the other hand, except solid granulates, emulsion also can be used for transplanting pre-treatment, and water-suspendable agricultural chemical composition can be used for transplanting post processing.Liquid agricultural chemical compositions, especially water-suspendable agricultural chemical composition, owing to can reduce environmental pressure such as it, easy operating is easy to the reason of even sprinkling, dilution and adjusting concentration, is arousing attention in recent years.But, the problem that water-suspendable agricultural chemical composition has is to meet moist lability such as active component, at the active component that mixes two or more types, especially be difficult to all active component homogeneous be suspended and disperse with under liquid parts and the situation that solid state component mixes mutually, with active component to separating, precipitates or assemble the susceptibility of processing.
When the preparation fluid composition, the active component that wherein two or more types is had different physical properties mixes, need design said composition, thereby can suppress hydrolysis, precipitation and the gathering of all active components, and guarantee simultaneously that active component can enough disperse, suspension, emulsification or its combination.Though often make used additives such as emulsifier, emulsion stabilizer and surfactant, sometimes, the water-disintegrable and aggregation of active component can be along with active component and adjuvant used 's compatibility and is improved.For example comprise and be liquid chloroacetoamide-based herbicide under the third careless amine-a kind of normal temperature in preparation, and bensulfuron-methyl-a kind of normal temperature is during down for the water-based fluid composition of solid-state sulfonylurea-based herbicide, though must will make used additives such as emulsion stabilizer or surfactant so that two kinds of active components suspend and disperse, the problem that exists is such as according to the used hydrolysis of auxiliary agent type bensulfuron-methyl generation significance, precipitation and gathering.
For example, Japanese unexamined patent publication No. publication number H10-287503 has described a kind of aqueous suspension composition, its by as the sulfanilamide (SN) urea groups weed killer herbicide of agricultural chemical activity composition and/or as the herbicidal active component of tool barnyard grass grass activity of weeding have 2000 or still less the polyethylene alcohol and water of average polymerization level and 69 to 90 moles of % saponification degrees form, this aqueous suspension composition has satisfied composition stability, the extension of improving, and can be by preventing that chemical substance from attaching to the rice plants body and preventing chemical lesion.In addition, Japanese unexamined patent publication No. publication number H9-183704 has described and has added lignosulfonates and can make the aqueous suspension composition that comprises the sulfonylurea-based herbicide compound have better long term storage stability.
The purpose of this invention is to provide a kind of water-suspendable agricultural chemical composition that comprises liquid agricultural chemical composition and solid agricultural chemical composition, this agrochemical composition can be guaranteed its component dispersion that comprises, suspension, emulsification or its combination, even and suppress hydrolysis when long-time storage, and also suppress to precipitate and assemble.
As the achievement of carrying out big quantity research at foregoing problems, inventor of the present invention finds that foregoing problems can be solved by oil being mixed in the water-suspendable agricultural chemical composition that comprises at least a liquid agricultural chemical composition and at least a solid agricultural chemical composition, and then has realized the present invention.Therefore the application comprises following invention.
First aspect the invention provides a kind of water-suspendable agricultural chemical composition, and it comprises at least a liquid agricultural chemical composition, at least a solid agricultural chemical composition and oily at least.
In first embodiment, the invention provides a kind of water-suspendable agricultural chemical composition, the group that the free mineral oil of wherein said grease separation, vegetable oil, fatty acid ester, epoxidized vegetable oil and atoleine are formed.
In second embodiment, the invention provides a kind of water-suspendable agricultural chemical composition, it comprises non-ionic surface active agent.
In the 3rd embodiment, the invention provides a kind of water-suspendable agricultural chemical composition, wherein said non-ionic surface active agent is polyoxyethylene-polyoxypropylene block polymer.
In the 4th embodiment, the invention provides a kind of water-suspendable agricultural chemical composition, wherein the agrochemistry composition is at least a weed killer herbicide.
In the 5th embodiment, the invention provides a kind of water-suspendable agricultural chemical composition, wherein the agrochemistry composition is at least a insecticide.
In the 4th embodiment, the invention provides a kind of water-suspendable agricultural chemical composition, wherein the agrochemistry composition is at least a bactericide.
In the 6th embodiment, the invention provides a kind of water-suspendable agricultural chemical composition, it comprises at least a bactericide and at least a insecticide as the agrochemistry composition.
In the 7th embodiment, the invention provides a kind of water-suspendable agricultural chemical composition, wherein at least a liquid agricultural chemical composition is a chloroacetoamide-based herbicide.
In the 8th embodiment, the invention provides a kind of water-suspendable agricultural chemical composition, wherein chloroacetoamide-based herbicide is the third careless amine.
In the 9th embodiment, the invention provides a kind of water-suspendable agricultural chemical composition, wherein chloroacetoamide-based herbicide is isopropyl methoxalamine or Smetolachlor.
In the 11 embodiment, the invention provides a kind of water-suspendable agricultural chemical composition, wherein at least a solid agricultural chemical composition is a sulfonylurea-based herbicide.
In the 12 embodiment, the invention provides a kind of water-suspendable agricultural chemical composition, wherein sulfonylurea-based herbicide is a bensulfuron-methyl.
In the 12 embodiment, the invention provides a kind of water-suspendable agricultural chemical composition, it further comprises pyriftalid as the solid agricultural chemical composition.
In second aspect, the invention provides the method for not expecting plant in a kind of control useful plant crop, the especially rice crops, it comprises makes the water-suspendable agricultural chemical composition of effective dose act on desired control place.
In the third aspect, the invention provides water-suspendable agricultural chemical composition and be used to control the useful plant crop, especially the purposes of gramineous grass and weeds in the rice crops.
In fourth aspect, the invention provides a kind of method for preparing agrochemical composition, it is by mixing oil in the water-suspendable agricultural chemical composition that comprises at least a liquid agricultural chemical composition and at least a solid agricultural chemical composition.
According to the present invention, in the water-suspendable agricultural chemical composition that comprises a kind of liquid agricultural chemical composition and a kind of solid agricultural chemical composition, can guarantee ideal dispersion, suspension, emulsification or its combination of ingredient, and inhibition hydrolysis, even when long-time storage, and also suppress precipitation and gathering.
The invention provides a kind of water-suspendable agricultural chemical composition, it comprises at least a liquid agricultural chemical composition, at least a solid agricultural chemical composition and oily at least.
Have no particular limits for the liquid agricultural chemical composition that can be used in the present invention's water-suspendable agricultural chemical composition required for protection; as long as it at normal temperatures and pressures; in the preparation of compositions process; under the temperature in composition or in spray liquid; or according to specific circumstances; during about at the most 50 ℃ of temperature, be to be glassy state, oily or liquid agrochemistry composition.Typical example comprises chloroacetoamide-based compounds as the third careless amine, carbamate based compound and dinitro benzene amine compound.In addition, the composition that is oily under the purity commonly used in agrochemical composition is also included within the liquid agricultural chemical composition of the present invention, even it is solid-state under the room temperature pure state.The agrochemistry composition can be for example weed killer herbicide, bactericide, fungicide, nematocide, parasiticide or other biocide.The liquid agricultural chemical composition is weed killer herbicide, insecticide, bactericide or insecticide/fungicides preferably, especially preferred weed killer herbicide.
The example of liquid herbicide includes but not limited to: the third careless amine (656), isopropyl methoxalamine (548), prodiamine (661), esprocarb (303), prosulfocarb (683), Triclopyr (827), fluazifop (681), orbencarb (595), molinate (560), dimetinamide (260), n-nonanoic acid (583), dalapon (214), piperophos (560), butamifos (102), glyphosate three magnesium salts (419), sethoxydim (726), clethodim (153), Smetolachlor (549) and cinmethylin (153).In the present invention, chloroacetoamide-based herbicides pretilachlor (656) and isopropyl methoxalamine (548), the preferred especially third careless amine.These compounds and its agronomy acceptable salt for example are described in " The e-Pesticide Manual ", and version 3.1,13th Edition, and Ed.CDC Tomlin, British Crop Protection Council is among the 2004-2005.
The example of liquid insecticide includes but not limited to: cynock (184), fenthion (346), sumithion (335), dichlofenthion fenthion (1051), pirimiphos-methyl (1345), diazinon (227), azoles phosphorus (480), oxydeprofos (1324), malathion, phenthoate dimephenthoate cidial (631), formothion (1192), thiometon (801), disulfoton (278), Toyodan (686), sulprofos (1408), propenofos, pyraclofos (689), dichlorvos (236), 2-dichloroethylk dimethyl phosphate (657), chlorfenviphos (131), Kayaphos (1356), isofenphos (1236), ethion (309), carbosulfan (119), Benfuracard micro (60), allethrin (17), permethrin (626), cyhalothrin (196), cyfloxylate (193), sumicidin (349), flucythrinate (367), taufluvalinate (1184), cycloprothrin (188), silafluofene (728), alkynes mite spy (671), halfenprox (424), phonamiphos (312) and lythidathion (408).These compounds and its agronomy acceptable salt for example are described in " The e-Pesticide Manual ", and version 3.1,13thEdition, and Ed.CDC Tomlin, British Crop Protection Council is among the 2004-2005.
Other example of liquid agricultural chemical composition comprises liquid germicide, especially fungicide such as lime sulfur (111), ediphenfos (290), propiconazole (675), pefurazoate (618), pyrifenox (703), tetraconazole (778), echlomezole (321), karathane (270) and Metalaxyl-M (516).These compounds and its agronomy acceptable salt for example are described in " Thee-Pesticide Manual ", and version 3.1,13th Edition, and Ed.CDC Tomlin, British Crop Protection Council is among the 2004-2005.
The claimed liquid agricultural chemical composition of the present invention especially preferably has under low aqueous solubility such as the normal temperature and pressure water-soluble 1000mg/l or still less, preferred 500mg/l or still less.The example of this kind liquid agricultural chemical composition comprises that the third careless amine is (water-soluble: 50mg/l), isopropyl methoxalamine is (water-soluble: 488mg/l), prodiamine is (water-soluble: 0.013mg/l), esprocarb (water-soluble: 4.9mg/l), prosulfocarb (water-soluble: 13.2mg/l) and Metalaxyl-M (water-soluble: 26mg/l).
With the claimed water-suspendable agricultural chemical composition gross weight of the present invention of 100 weight portions is basic calculation, preferably mixes 0.1 to 60 weight portion, more preferably the aforementioned liquid agricultural chemical composition of 5 to 40 weight portions.
Have no particular limits for the solid agricultural chemical composition that uses in the claimed water-suspendable agricultural chemical composition of the present invention; as long as it is at normal temperatures and pressures; in the preparation of compositions process, under the temperature in composition or in spray liquid the agrochemistry composition that is solid-state.The representative instance of these compositions comprises the sulfonylurea group compound.The agrochemistry composition can be for example weed killer herbicide, insecticide, bactericide, fungicide, nematocide, parasiticide and other biocide.The liquid agricultural chemical composition is weed killer herbicide preferably, insecticide, bactericide or insecticide/bactericides, especially preferred weed killer herbicide.
The example of solid-state weed killer herbicide includes but not limited to: bensulfuron-methyl (64), CNP (974), naproanilide (517), bifenox (75), pyributicarb (698), bromobutide (93), mefenacet (505), daimuron (213), imazosulfuron (456), pyrazosulfuron (694), symetryne (732), prometryn (666), isoamyl clean (259), chlomethoxynil, humulone (600), pyrazolate (692), pyrazoxyfen (695), clomeprop (160), benzofenap (70), thenylchlor (789), piperazine humulone (604) encircles penta humulone (625), cafenstrole (110), azimsulfuron (43), KIH 6127 (707), fentrazamide (348) and two careless ether sodium salt (82).In the present invention, especially preferred sulfonylurea-based herbicide, bensulfuron-methyl (64).These compounds and its agronomy acceptable salt for example are described in " The e-Pesticide Manual ", and version 3.1,13th Edition, and Ed.CDC Tomlin, British Crop Protection Council is among the 2004-2005.
The example of solid insecticides includes but not limited to: Imidacloprid (458), MTI-446 (271), thiophene worm piperazine (792), Acetamiprid (4), thiophene worm quinoline (791), Nitenpyram (579), NAC (115), pyridaphethione (701), chlorpyrifos-methyl (146), Rogor (262), orthene (2), cartap (123), thiocyclam (798), bensultap (66) and Buprofezin (99).These compounds and its agronomy acceptable salt for example are described in " The e-Pesticide Manual ", version3.1, and 13th Edition, Ed.CDC Tomlin, British Crop ProtectionCouncil is among the 2004-2005.
The example of the especially solid-state fungicide of solid-state bactericide includes but not limited to: cyprodinil (208), mepanipyrim (508), phonetic mould amine (705), metalaxyl (516), mebenil (510), flutolanil (396), tecloftalam (766), Pencycuron (620), diclomezin (239), fluorine bacterium azoles (834), kasugarnycin (483), valida (846), probenazole (658), Isoprothiolane (474), Cyproconazole (207), metconazole (525), tricyclazole (828), pyroquilon (710), oxolinic acide (606), ferimzone (351), iprodione (470), triforine (838), ZEN 90160 (647), Fluoxastrobin (47), kresoxim-methyl (485), orysastrobin, pyraclostrobin (690), oxime bacterium ester (832) and SSF 126 (551).These compounds and its agronomy acceptable salt for example are described in " Thee-Pesticide Manual ", and version 3.1,13th Edition, and Ed.CDC Tomlin, British Crop Protection Council is among the 2004-2005.
With the claimed water-suspendable agricultural chemical composition gross weight of the present invention of 100 weight portions is basic calculation, preferably mixes 0.1 to 60 weight portion, more preferably the aforementioned solid agricultural chemical composition of 0.1 to 40 weight portion.
The claimed water-suspendable agricultural chemical composition of the present invention comprises oily at least as emulsion stabilizer; with the dispersiveness and the suspension of maintenance liquid agricultural chemical composition and solid agricultural chemical composition, and suppress the solid agricultural chemical composition and decomposed by the liquid agricultural chemical composition.This oily example comprises mineral oil such as bobbin oil, machine oil (machine oil) and atoleine, aromatic hydrocarbon solvent such as Sol are tieed up rope (Solvesso) and Shellsol, vegetable oil such as rapeseed oil, soybean oil, sunflower oil, castor oil, pine tar and cottonseed oil, with these oily derivatives such as methyl esters and other ester derivative, epoxidized derivs and fatty acid ester, these oil can be used alone or in combination.Particularly preferred oil is vegetable oil and atoleine among the present invention.With the claimed water-suspendable agricultural chemical composition gross weight of the present invention of 100 weight portions is basic calculation, preferably mixes 0.1 to 30 weight portion, more preferably the described oil of 1 to 10 weight portion.
In the claimed water-suspendable agricultural chemical composition of the present invention, preferably comprise surfactant.The preferred surfactants example comprises polyoxyethylene-polyoxypropylene block polymer class surfactant such as polyoxyethylene-polyoxypropylene block polymer and alkyl polyoxyethylene-polyoxypropylene block polymer ether, especially preferred polyoxyethylene-polyoxypropylene (POE-POP) block polymer.It is preferred using aforementioned surfactants, because it can make the desirable emulsification of liquid agricultural chemical composition and the ideal of solid agricultural chemical composition disperse to become possibility, and can suppress the solid agricultural chemical composition simultaneously and be decomposed by the liquid agricultural chemical composition.With the claimed water-suspendable agricultural chemical composition gross weight of the present invention of 100 weight portions is basic calculation, preferably mixes 0.01 to 10 weight portion, more preferably the aforementioned surfactants of 0.1 to 5 weight portion.
Preferred surfactants is the POE-POP block polymer, more preferably mean molecule quantity is 10,000 or more and oxygen weight ethylene ratio be 50% or more POE-POP block polymer (Epan U-108 for example, Daiichi Kogyo Seiyaku), because they can suppress the generation of gathering under the severe test condition.Yet, even those mean molecule quantities be 10,000 still less or the oxygen weight ethylene than be 50% or still less the POE-POP block polymer also can realize the desirable emulsification of liquid active component and suppress solid-state active component and decompose.In addition, be used in combination the composition that many POE-POP block polymers with different mean molecule quantities or different oxygen weight ethylene ratios can might obtain to have required physical characteristic.
Also other surfactant can be mixed in the claimed water-suspendable agricultural chemical composition of the present invention; the example comprises non-ionic surface active agent such as polyoxyalkylene triphenyl vinyl phenol; the macrogol high-grade aliphatic ester; polyoxyalkylene alkyl; the polyoxyalkylene alkyl aryl ether; polyoxyalkylene aryl phenyl ether; the sorbitan alkylates; acetylene alcohol; acetylenediol and its alkylene oxide addition compound product; poly-alkylene sorbitan alkylates; poly-alkyl glycoside; sucrose fatty acid ester and poly-alkylene alkylamine; anion surfactant such as alkylaryl sulfonates; dialkyl group sulfonate; lignosulfonates; alkylation or non-alkylated naphthalene sulfonate and its condensation product, alkyl sulfate and ester salt, alkyl phosphate and ester salt; alkyl aryl sulfate and ester salt; alkyl aryl phosphate ester and ester salt, polyoxyethylene alkyl ether sulfuric ester and ester salt, polyxyethylated aromatic yl acid ester and ester salt; polyoxyethylene aryl phenyl ether sulfuric ester and ester salt and polycarboxylic acid polymer activator; amphoteric surfactant such as silicone base surfactant, fluorine based surfactant and alkyl betaine and cationic surfactant such as alkyl methyl ammonium salt and polyoxyalkylene alkyl methyl ammonium salt.Under preferred pattern, the claimed water-suspendable agricultural chemical composition of the present invention comprises the polyoxyethylene triphenyl vinyl phenol as another kind of surfactant.With the claimed water-suspendable agricultural chemical composition gross weight of the present invention of 100 weight portions is basic calculation, preferably mixes 0.001 to 10 weight portion, more preferably this kind surfactant of 0.01 to 1 weight portion.
Except that above-mentioned various compositions; the claimed water-suspendable agricultural chemical composition of the present invention can also comprise conventional excipients commonly used in the water-suspendable agricultural chemical composition; the example comprises defoamer such as silicone; mould inhibitor is as 1; 3-benzene isothiazoline-3-ketone and other benzene iso thiazoline ketone compound, pH regulator agent such as K 2PO 4, antifreezing agent such as propane diols, thickener such as xanthan gum, tripoli and bentonite, inert carrier such as clay, diatomite and calcium carbonate, preservative, adhesive, fertilizer and other active component.
The claimed water-suspendable agricultural chemical composition of the present invention can prepare with conventional method, as directly above-mentioned active component and above-mentioned admixed excipients and liquid or solid carrier being mixed, and/or it is pulverized together.
Preferably, can prepare the claimed water-suspendable agricultural chemical composition of the present invention with the method that describes below.
(a) the concentrated comminuted paste compound of solid agrochemical composition
By with different types of surfactant of part and the dissolving of other auxiliary agents or be dispersed in the water, add the solid agricultural chemical composition subsequently and make its mixing.Then, to carry out suitable wet-milling with ball mill such as batch-type ball mill broken and make concentrated slurry for this mixture.
(b) emulsion compositions of liquid agricultural chemical composition
Different types of surfactant and other auxiliary agents are sneaked in the water.The oil phase that is dissolved with oil is joined in this liquid agricultural chemical composition, and use the homogenizer strong agitation simultaneously, make this oil phase be emulsifiable in this aqueous phase.Then, be desired particle diameter with the suitably powerful emulsification of this mixture.
(c) preparation of compositions
This solid agricultural chemical composition slurry is joined in this liquid agricultural chemical composition emulsion (with emulsion: slurry is than being for example 9: 1), carry out agitation as appropriate and obtain composition with agitator subsequently.
Claimed water-suspendable agricultural chemical composition weed killer herbicide preferably is suitable for controlling weeds in paddy field under water according to the present invention.Preferably realize by the following method: the water-suspendable agricultural chemical composition that the present invention of aequum is claimed directly is applied to the rice field; directly use or be diluted with water to suitable concentration after use again, or be added in the water that beats into the rice field (being called sprinkling irrigation handles).In addition, also available planting machine, simultaneously that the present invention is claimed composition is applied to planting site planting.
Though the claimed water-suspendable agricultural chemical composition of the present invention can be used in the mode identical with the routine spraying, its also available a large amount of water dilutes.The claimed water-suspendable agricultural chemical composition of the present invention is preferably with 100 to 50,000ml/ha, and more preferably 1,000 to 10, the amount of application of 000ml/ha uses.
Come the present invention is explained in more detail below by embodiment.In addition, the present invention is not limited to these embodiment.
Embodiment: prepare water-suspendable agricultural chemical composition according to the intermixture described in following table 1 and the table 2.
Figure A20068003328000141
In table, PFT represents pyriftalid, and BSM represents bensulfuron-methyl.In addition, NK-PTC is the emulsification mixture of being produced by Coseal, and its main component is the POE-POP block polymer.
(a) the concentrated comminuted paste compound of solid agrochemical composition
Sopropore BSU (surfactant with 0.1 weight portion, Rhodia), the Epan U108 (surfactant of 2.0 weight portions, Daiichi Kogyo Seiyaku) and the Rhodosil 454 (defoamers of 0.1 weight portion, Rhodia, silicone) and the Rhodopore 23 (thickeners of 0.1 weight portion, Rhodia, xanthan gum) dissolves or be dispersed in the water and make its mixing, add the solid agricultural chemical composition subsequently.The mixture of available independent bensulfuron-methyl (common name) or bensulfuron-methyl and pyriftalid (common name) is as described solid agricultural chemical composition.Each activity component concentration in this slurry is adjusted to bensulfuron-methyl accounts for 15%, pyriftalid accounts for 30%.Make concentrated slurry with batch-type ball mill (Imex, four chamber sand mills, are used the 1mm bead by 1/8 gallon) with 1000rpm/hr (10 times of mixture concentrations) wet pressing.
(b) emulsion compositions of liquid agricultural chemical composition
With emulsifier (Epan U108, Epan U103, Epan U105 or NK-PTC), propane diols (antifreezing agent, Showa Denko), KH 2PO 4(pH regulator agent, Nippon Kayaku), (thickener Rhodia) mixes in water with Proxel GXL (1,3-benzene isothiazoline-3-ketone, mould inhibitor, Arch Chemicals) xanthans.The addition of every kind of composition is with reference to table 1 and 2.The oil phase that is dissolved with oil is joined in the liquid agricultural chemical composition, and use the homogenizer strong agitation simultaneously, make this oil phase be emulsifiable in this aqueous phase.The third careless amine (common name), Smetolachlor (common name), esprocarb (common name) or prosulfocarb (common name) are as described liquid agricultural chemical composition.In addition, soybean oil (Honen company) or atoleine (Matsuken, Moresco White P-70) are as described oil.The addition of every kind of composition is with reference to table 1 and 2.About two minutes of powerful this emulsion of emulsification is to obtain required particle diameter.
(c) preparation of water-suspendable agricultural chemical composition
Solid agricultural chemical composition slurry is joined liquid agricultural chemical composition emulsion, and (emulsion: slurry is than=9: 1), stirred five minutes with the laboratory stirrer that the spirality stirring vane is housed on the axle subsequently, obtain composition.
Stability test
Carry out the storage-stable test in 40 ℃ of various water-suspendable agricultural chemical compositions to preparation according to the method described above, so that the decomposition of the agrochemistry composition in the tracking composition, along with whether existing oily fraction or paste fraction to form in the changed composition of time, whether existence gathering or deposited phenomenon and whether have supernatant to form.These the results are shown in table 3 to table 6.
Figure A20068003328000171
Figure A20068003328000181
Figure A20068003328000191
Figure A20068003328000201
The agrochemical composition according to above-mentioned formulation method preparation of about 100ml is sealed in the glass container, steadily places 40 ℃ of constant temperature baths.Behind preset time, agrochemical composition is taken out from bathe, measure the content of this agrochemistry composition then with high performance liquid chromatograph.
The agrochemical composition according to above-mentioned formulation method preparation of about 100ml is sealed in the glass container, steadily places 40 ℃ of constant temperature baths.Behind preset time, agrochemical composition is taken out from bathe, whether range estimation determines whether to exist supernatant to form then, whether has oily fraction or paste fraction separation, exist gathering or precipitation to form, and measures degree separately.
On the basis of result shown in the form, confirmed to mix the separation of agriculture chemical composition in the oily composite inhibiting, and in the composite inhibiting composition separation, assemble and precipitate.
Water-suspendable agricultural chemical composition of the present invention, it comprises liquid agricultural chemical composition and solid agricultural chemical composition, the ideal of guaranteeing ingredient suspends or dispersion, and prevents that its decomposition from also suppressing its precipitation simultaneously and assembling, even also like this when preserving for a long time.

Claims (19)

1, a kind of water-suspendable agricultural chemical composition comprises at least a liquid agricultural chemical composition, at least a solid agricultural chemical composition and oily at least.
2, the described composition of claim 1, the group that the free mineral oil of wherein said grease separation, vegetable oil, fatty acid ester, epoxidized vegetable oil and atoleine are formed.
3, claim 1 or 2 described compositions comprise at least a non-ionic surface active agent.
4, each described composition in the claim 1 to 3, wherein said non-ionic surface active agent is polyoxyethylene-polyoxypropylene block polymer.
5, each described composition in the claim 1 to 4, wherein said agrochemistry composition is at least a weed killer herbicide.
6, each described composition in the claim 1 to 5, wherein said agrochemistry composition is at least a insecticide.
7, each described composition in the claim 1 to 6, wherein said agrochemistry composition is at least a bactericide.
8, each described composition in the claim 1 to 4 comprises at least a bactericide and at least a insecticide as the agrochemistry composition.
9, each described composition in the claim 1 to 5, wherein said at least a liquid agricultural chemical composition is a chloroacetoamide-based herbicide.
10, the described composition of claim 9, wherein said chloroacetoamide-based herbicide are the third careless amine.
11, each described composition in the claim 1 to 5 and 9, wherein said chloroacetoamide-based herbicide is isopropyl methoxalamine or Smetolachlor.
12, each described composition in the claim 1 to 5 and 9 to 11, wherein said at least a solid agricultural chemical composition is a sulfonylurea-based herbicide.
13, the described composition of claim 12, wherein said sulfonylurea-based herbicide is a bensulfuron-methyl.
14, each described composition in the claim 1 to 5 and 9 to 13, it further comprises pyriftalid as the solid agricultural chemical composition.
15, do not expect the method for plant in a kind of control useful plant crop, comprise that each defined composition acts on desired control place among the claim 1-14 that makes effective dose.
16, the described method of claim 15, wherein said useful plant crop is a rice.
17, each defined composition of claim 1 to 14 is used for controlling the purposes of useful plant crop gramineous grass and weeds.
18, the described method of claim 11, wherein said useful plant crop is a rice.
19, each defined method for compositions of a kind of preparation claim 1 to 14, its this method comprises mixes oil in the water-suspendable agricultural chemical composition that comprises at least a liquid agricultural chemical composition and at least a solid agricultural chemical composition.
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KR101339694B1 (en) 2013-12-11
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KR20080044871A (en) 2008-05-21
TWI441596B (en) 2014-06-21
JP2010502561A (en) 2010-01-28
WO2007031251A3 (en) 2008-05-08
JP5149185B2 (en) 2013-02-20
JP2007077044A (en) 2007-03-29
MY152866A (en) 2014-11-28
WO2007031251A2 (en) 2007-03-22

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