CN1136769C - Jumbo formulation comprising pesticides and process thereof - Google Patents
Jumbo formulation comprising pesticides and process thereof Download PDFInfo
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- CN1136769C CN1136769C CNB971904650A CN97190465A CN1136769C CN 1136769 C CN1136769 C CN 1136769C CN B971904650 A CNB971904650 A CN B971904650A CN 97190465 A CN97190465 A CN 97190465A CN 1136769 C CN1136769 C CN 1136769C
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- LCCNCVORNKJIRZ-UHFFFAOYSA-N parathion Chemical compound CCOP(=S)(OCC)OC1=CC=C([N+]([O-])=O)C=C1 LCCNCVORNKJIRZ-UHFFFAOYSA-N 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- WHHIPMZEDGBUCC-UHFFFAOYSA-N probenazole Chemical compound C1=CC=C2C(OCC=C)=NS(=O)(=O)C2=C1 WHHIPMZEDGBUCC-UHFFFAOYSA-N 0.000 description 1
- FKERUJTUOYLBKB-UHFFFAOYSA-N pyrazoxyfen Chemical compound C=1C=C(Cl)C=C(Cl)C=1C(=O)C=1C(C)=NN(C)C=1OCC(=O)C1=CC=CC=C1 FKERUJTUOYLBKB-UHFFFAOYSA-N 0.000 description 1
- XRJLAOUDSILTFT-UHFFFAOYSA-N pyroquilon Chemical compound O=C1CCC2=CC=CC3=C2N1CC3 XRJLAOUDSILTFT-UHFFFAOYSA-N 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920003987 resole Polymers 0.000 description 1
- ZBTUYCUNQBRXOR-UHFFFAOYSA-L sodium succinate hexahydrate Chemical compound O.O.O.O.O.O.[Na+].[Na+].[O-]C(=O)CCC([O-])=O ZBTUYCUNQBRXOR-UHFFFAOYSA-L 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 125000005504 styryl group Chemical group 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 244000082735 tidal marsh flat sedge Species 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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
- A01N25/34—Shaped forms, e.g. sheets, not provided for in any other sub-group of this main group
-
- 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
- A01N25/08—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 containing solids as carriers or diluents
-
- 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
- A01N25/08—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 containing solids as carriers or diluents
- A01N25/10—Macromolecular compounds
Landscapes
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Agronomy & Crop Science (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention discloses the jumbo formulations for hand-throw application into paddy water or on irrigation gates, comprising liquid pesticide mixture absorbed into lump-shaped porous carrier in water-soluble bag. The jumbo formulations of the invention are prepared by either packing the granular materials such as sea sand into the porous bag which is enveloped with water-soluble bag, absorbing liquid pesticide mixture of active ingredient of the pesticide, surfactants, solvents, and auxiliary agents into the bag, and heat-sealing the above; or preparing the block-shaped porous carrier by binding granular materials with adhesives, inserting the carrier into the water-soluble bag, absorbing the said liquid pesticide mixture into the bag, and heat-sealing the above. The present jumbo formulations are not disintegrated in water and thus maintain their original shapes. In addition, the present jumbo formulations have excellent spreadability and dispersability of active ingredients. The active ingredients from the present jumbo formulations are evenly dispersed throughout all the applied area of paddy field only by hand-throw application of several to several tens of the pack-like pieces of the formulations per 10a. The present jumbo formulations greatly reduce the danger of being poisoned by pesticides and save the labor and the time required for manual application of the pesticides. The present jumbo formulations are prepared by simple formulation processes with cheap materials. Furthermore, the present jumbo formulations provide excellent controlling effects on weeds, insect pests, and plant diseases without causing severe phytotoxicity to rice plants, since their dispersion in paddy water is not much influenced by any impediments on the paddy water and wind.
Description
Technical field
The present invention relates to be suitable for hand and throw the bag agent that contains agricultural chemicals of using, in broad wetland such as paddy field, pond and lake, it can effectively prevent and treat various weeds, insect and plant disease.More particularly, the present invention relates to contain the bag agent of agricultural chemicals, when handling the paddy rice water in field, can be uniformly distributed in broad regions.
The present invention also relates to the formulation preparation method of bag agent.Exactly, the preparation method of preparation comprises, in the block porous carrier of water insoluble or organic solvent filling water inlet dissolubility bag film, the liquid pesticidal mixture of being made up of pesticide active ingredient, surfactant, solvent and adjuvant is absorbed in the bag, and the post heat-seal sack.
The characteristics of this bag of agent are, preparation is thrown with hand and executed, paddy field that is used for irrigating or irrigation canal porch, and need not to use special-purpose medical instruments, pesticide active ingredient can slowly discharge and be uniformly distributed in broad regions.
Background technology
Along with urbanization and industrialized growth, make modern agriculture convert laborsaving agricultural rapidly to.Though the operation of most farmland realizes mechanization gradually in rice cropping, agricultural chemicals is also normally manual to be used.In paddy field, such work is required great effort very much because in the rice field of mire difficulty in walking, the peasant often has the danger of pesticide poisoning.In addition, comprise Korea S at Far Eastern country, aerial spray only is applicable to broad regions seldom, manages because the agricultural of these countries is intensive labor power types.Therefore, when the farmland of paddy field operation complete mechanical, the agricultural chemicals manual paddy field that imposes on of also having to.As the fogger that conveniently is used for the greenhouse,, wish the laborsaving formulations of pesticide of exploitation and their application process for a long time for effectively preventing and treating weeds, insect and the plant disease that broad regions resembles paddy field, pond, lake.
For reducing labor intensity when the manual dispenser of paddy field and reducing pesticide poisoning danger, several liquid formulation of having developed comprises suspending agent, emulsifiable concentrate and missible oil.Yet such formulation can't successfully be used for broad regions, that be because their shortcoming, such as using liquid pesticide and the infringement that contacts of inconvenient application method in the paddy field to rice plant.Therefore, they only use in the limited plot in narrow water rice field.Owing to these reasons, the bag agent is developed in Japan and Korea S always energetically.
The bag agent has different physicochemical properties with those regular dosage forms, because per 10 ares of hands are thrown the bag agent of using several bags to tens bags, its active ingredient just can be uniformly distributed in the whole medication application zone of paddy field.The bag agent is more much bigger than granula commonly used or tablet, so be commonly referred to " bag agent ".Various bag agent with difformity, size and mechanism of action is widely studied and develops.
A good bag agent should prepare economically, when preparation during at paddy field application by throwing them, has the character that the active ingredient that can make them is evenly distributed on broad regions.In addition, such character should not reduce or lose between than long storage life.
So far developed the bag agent of several types.One of them is the type that gas takes place.Such preparation is a sheet, and a few gram to tens grams usually weigh.When it contacts with water, by the carbon dioxide of strong generation, make it quick disintegration and become minuteness particle, this particle diffusion is to far distance simultaneously.Yet such preparation produces serious poisoning because of active ingredient has excessive residual activity in the dispenser position to rice plant sometimes.Because said preparation contains certain acid or alkali, the agricultural chemicals that decomposes fast because of chemical action (as hydrolysis) can not be prepared into above-mentioned preparation, and has only the stable agricultural chemicals of chemical property just can be prepared into this bag agent.In addition, at lay up period, said preparation tends to lose the powder that their produce gas because of reacting with the water that infiltrates.Their preparation cost is more much higher than regular dosage form.
Another known method of preparation bag agent is, makes a kind of missible oil of required agricultural chemicals or oil-suspending agent directly pack into or be adsorbed on water miscible earlier or in fact in the water insoluble carrier and then pack into water-soluble capsule or water-soluble bag, seal subsequently.When the water-soluble bag of the preparation that contains water insoluble carrier was water-soluble, the active ingredient of agricultural chemicals also not exclusively was released in the water, usually in the accumulation of water paddy soil surface.Therefore, said preparation can not make pesticide active ingredient evenly distribute, and causes near the rice plant poisoning that the dispenser position is, and the drug effect away from the dispenser position is reduced.For the preparation that contains water-solubility carrier, when the liquid pesticide mixture of preparation is emulsified, the aqueous solution that contains carrier is sneaked into the emulsion droplet easily, and the proportion that makes the emulsion droplet becomes greater than 1, therefore, the emulsion droplet great majority that contain active ingredient are deposited on soil surface, cause being dispersed in broad regions, cause preparation application position or near rice plant poisoning, the drug effect away from the dispenser position is reduced.
Though it also is known being different from the various bag agent of above-mentioned preparation, because their defectives own can not be widely used in most of agricultural chemicals, and have less actual importance.
Therefore, a bag agent that has polymolecularity and be easy to low-cost preparation in water is needed badly and is obtained exploitation.
Disclosure of the Invention
In order to overcome the problem of above-mentioned bag agent, the inventor carries out many-sided research to formulation.The result successfully develops the bag agent that has excellent physicochemical property, can bring into play drug effect to greatest extent.The preparation method of these preparations is, liquid pesticide mixture spontaneous emulsification or that be easy to disperse is absorbed the bulk that is encapsulated in the water-soluble film bag, in the water on the porous carrier of non-disintegrative.
Therefore, a target of the present invention is that the bag of being made up of non-disintegrative porous carrier and water-soluble film bag in liquid pesticide mixture, water agent is provided.
Another target of the present invention provides the preparation method of bag agent.These preparation methods comprise, the water-insoluble bulk material is loaded into porous sack, and this bag outer surface is pressed with water-soluble thin layer, and the liquid pesticide mixture is absorbed in the bag, and bag is sealed; Or the water-insoluble bulk material loaded into porous sack, sealed bag is inserted above-mentioned hermetically sealed bag in the water-soluble sack, absorbs liquid pesticide combination, and sack is sealed; Or, in the sack of filling water inlet dissolubility, absorbing liquid pesticide combination by the water-insoluble bulk material being bonded into block porous carrier with adhesive, sealed bag is inserted this bag in the envelope type aluminium foil bag again, and bag is sealed.
Preferred forms of the present invention
In the present invention, be that the powdery of actual water insoluble or organic solvent or bulk material closed packing are advanced the porous packing material that the back forms in the porous bag as the carrier 1 that absorbs liquid pesticide combination.There is fine pore seldom this powdery or bulk material the inside, and the diameter of particle is greater than 0.1 millimeter.The material that comprises has organic matter or inorganic matter.For example, inorganic matters such as extra large sand, hollow microsphere, calcium carbonate, dolomite, the granular bentonite that cured, zeolite, kaolin, talcum, pyrophyllite; Powdery or granular polymers such as polyethylene, polypropylene, polyvinyl chloride; Organic matters such as wood sawdust, rice husk, granular charcoal, grain dust.More than listed any material can adopt according to the needs of agricultural chemicals.General suitable adopt extra large sand, calcium carbonate, dolomite, pyrophyllite, talcum, hollow microsphere (the Microcells SL, Scotchlite produced in USA, the Shirasu baloon that Japan produces that produce as Australia) and polyvinyl chloride arranged.Optimal carrier material is extra large sand, hollow microsphere, calcium carbonate, dolomite, pyrophyllite and talcum since they smooth outer surface, the low ability that absorbs organic liquid are arranged, to the high-affinity of water and organic solvent, good at occurring in nature degradability and height environmental safety.
as far as possible closely load with one of above-mentioned carrier material advance porous bag and sealing immediately after, this packing material is inserted water-soluble bag.The water-soluble bag that the porous bag is housed can be as absorbing absorbing of liquid pesticide combination.The carrier material water-soluble bag of also can directly packing into, this sack inner surface is with porous bag lamination.The pore-size distribution of porous packing material and total pore volume can be kept by the closed packing carrier material.In order to regulate bulk density, can in sack, load more than two kinds of different carrier materials.
In the present invention, the carrier 2 as absorbing material is that average pore size is the porous blocks of 20-100 micron.Block filler 2 has greater than 4 kilograms per centimeter
2Compressive resistance, be enough to make the porous piece they preparation and the preparation processing process in the middle of can not damaged by pressure.Water insoluble and inorganic mineral jointing material and natural porous mass organic solvent can be used as the porous piece.Generally speaking, with ureas-, vinyl-or bonding calcium carbonate, talcum, the granular bentonite that cured, pyrophyllite, dolomite, hollow microsphere and the extra large sand of phenolic resin adhesive all be fit to use.When considering with the compatibility of water and organic solvent, at occurring in nature degradability and environmental safety, optimal carrier is extra large sand, calcium carbonate, talcum, dolomite or the pyrophyllite that mixes mutually with hollow microsphere.
Can pass through extra large sand, calcium carbonate, hollow microsphere separately or ureas-, vinyl-or the phenolic resin adhesive is auxiliary bonding with hollow microsphere down, makes their sclerosis subsequently and prepares carrier 2.For extra large sand-or calcium carbonate-hollow microsphere mixing block, the bulk density of carrier block can be by regulating extra large sand or calcium carbonate mixed proportion to 30 is controlled between 70%.Therefore, making bag agent is possible at water float or deposition.In the preparation of the porous piece of carrier 2, ureas-, vinyl-or phenolic resin adhesive adding proportion between 3 to 20%.
The weight proportion of carrier is between 2.5 to 99% in whole bag agent weight.
If porous packing material (carrier 1) or porous piece (carrier 2) that the present invention uses are too light, it is difficult to throw at a distance.On the contrary, if too heavy, it will stick in the paddy soil, cause discharging the liquid pesticide that contains fully.Therefore, must regulate the bulk density and the size of bag agent according to the field condition of purposes and dispenser.During paddy field was in before and after the rice transplanting, paddy soil was soft, and the bulk density of preparation should be lower, and by using extra large sand and the hollow microsphere mixture porous carrier as formulation, preparation just can not stick in the soil.On the contrary, when rice plant growing way in the paddy field is vigorous,, need higher preparation bulk density for the canopy of permeate water rice plants.In addition, the bag agent with highly-water-soluble active ingredient should have lower bulk density, thereby makes preparation can float on the surface and guarantee that active ingredient obtains good dispersion.
The porous bag that carrier 1 adopts has countless holes, and average pore size is greater than 50 microns, and their air penetrability is greater than 10 meters
3/ rice
2/ minute.In order not to be torn or embrittlement in the using of preparation processing process or preparation, their tensile strength, bursting strength and tearing strength, cutting test grade are all by strict regulations.The filter paper of natural or material that synthetic fibers are made such as nonwoven, gauze, heat sealable filter paper, adhesive seal can be as the material of preparation porous bag.In fact, as the not restriction of material of porous bag, unless material is water-soluble and organic solvent.Yet heat sealable tea bag filter paper is suitable as the material of this purposes most, because they are very cheap, be easy to obtain and at occurring in nature height degradable.Heat-sealing tea bag paper (Grade reference 474601, Crompton, Britain) is good example of this material.
After the liquid pesticide mixture was absorbed by porous carrier, carrier was loaded into water-soluble film bag (hereinafter referred to as " water-soluble bag ").The sealing water-soluble bag is to stop liquid pesticide mixture seepage and to move on the contiguous preparation.Thickness is that polyvinyl alcohol water-soluble film, water-soluble cellulose or the water-soluble dextrin of 25-75 micron can be used as water-soluble bag.Film more than 50% should be under 10 to 40 ℃ of temperature, water-soluble in 10 minutes, and film should be heat-sealed.This examples of material comprises the Monosol of model 7030,8533 and 8534
(Chris-Craft industrial product Co., Ltd, the U.S.) and model are the HI-SELON (Japan) of S-400 and C-200 AX.The dissolution velocity of water-soluble bag in water do not have big influence to the drug effect of bag agent.Therefore, any water-soluble bag all can be used for this purpose, even it is water-soluble relatively slowly.When water-soluble bag during with heat sealable porous bag inner face lamination, its suitable use.When the closure part of porous bag is covered by water-soluble bag, the edge of porous bag only is adhered to closure part, and this method makes any part of porous bag not be exposed to the outside, but the porous bag is except closure part, in fact other part separates with water-soluble bag, use preferably like this.
Any agricultural chemicals as weed killer herbicide, insecticide and bactericide, as long as they at room temperature are liquid or high dissolution is arranged in organic solvent, can use in the present invention.The adoptable weed killer herbicide of the present invention comprise butachlor, the third careless amine, 2-chloro-N-(3-methoxyl group-2-thienyl) methyl-2 ', 6 '-diethyl acetanil (NSK-850), dimepiperate, benthiocarb, molinate, esprocarb, benfuresate, pyrazosulfuron, Mo 9 granular, chlomethoxyfen, bifenox, yellow careless volt, pyrazoxyfen, piperophos, fenclorim, isoamyl are clean, Thistrol, Evil humulone etc.The adoptable insecticide of the present invention comprises diazinon, chlopyrifos, Bassa, nuvacron, parathion, isofenphos, carbosulfan, cycloprothrin, ether chrysanthemum ester, Benfuracard micro, chlorpyrifos-methyl etc.The adoptable bactericide of the present invention comprises iprobenfos, pyroquilon, probenazole, Isoprothiolane etc.Except that above-mentioned agricultural chemicals, any at room temperature for liquid or in organic solvent the agricultural chemicals of high dissolution can use in the present invention.
A kind of pesticide active ingredient mixes separately or with other active ingredients and can be included among the of the present invention bag of agent.Active ingredient in this formulation accounts for 0.01 to 98% scope of gross weight.
Boiling point can be preferred for bag of the present invention agent greater than 60 ℃ and proportion less than 1 organic solvent.
In addition, the proportion of liquid pesticide mixture changes with used organic solvent.In view of the proportion of active ingredient usually greater than 1, have the liquid pesticide that low-gravity organic solvent is preferred for preparing high-load.The example of solvent has dimethylbenzene, atoleine, cyclohexanone, cyclohexane, cyclohexanol, methyl naphthalene, Solvesso 100, Solvesso 150, Solvesso 200, N-Methyl pyrrolidone, N-butyl pyrrolidine ketone, diethylbenzene, triethylbenzene (TEB), ketone (as MEK), poly-alkyl diol and alcohols (as methyl alcohol).Though non-polar solven is as the main solvent of pesticide active ingredient, water-soluble solvent also can be in order to make cosolvent.
For making agricultural chemicals reach better emulsifiability and dispersive property, various surfactants can add in the liquid pesticide mixture, as emulsifier, solubilizer or dispersant.The two may be used to this purpose nonionic and anionic surfactant.The example of non-ionic surface active agent has alkyl polyoxyethylene ether, phenolic group APEO, styryl phenolic group APEO, polyoxyethylene polyoxypropylene block copolymer, fatty acid esters of sorbitan, polyoxyethylene sorbitan fatty acid ester, fatty acid glyceride, polyoxyethylene fatty acid glyceride, ethylene glycol and acetylene alcohol.Examples of anionic surfactants has alkyl benzene calcium sulfonate, alkyl sulfonic acid succinic acid sodium salt and alkyl phenolic group polyethenoxy ether sodium sulfovinate salt.Except that above-mentioned surfactant, the surfactant that is used for bag agent of the present invention is had no particular limits, need only them or can be used for missible oil, perhaps can be used for directly spraying finish.Add 5 to 15% of surfactant comprise gross weight in the liquid pesticide mixture to, but more preferably for accounting for 10%.
The viscosity adjusting can for example be added ethyl cellulose and realize with the viscosity of controlling the liquid pesticide mixture.In long lay up period, for the physicochemical property of stabilization pocket agent, can add anti-distintegrant or stabilizing agent such as chloropropylene oxide, soybean oil, phosphoric acid is waited until in the liquid pesticide mixture, but they are to the not influence of dispersiveness of mixture in water.When the bag agent was applied in the paddy rice water in field, almost whole active ingredients should discharge in one day in the bag agent.Particularly, need in about 24 hours, discharge respectively more than 90% liquid insecticide and bactericide with more than 95% weed killer herbicide.Therefore, the proportion to 0.80 of regulating pesticide combination is essential between 0.995 and according to the viscosity that the pore size of used carrier is regulated it.
According to their distance of hand throwing with subsequently in the deposition conditions of paddy field, this bag agent is processed to every bag heavy 5 to 200 gram.The quantity of using bag agent changes with comprising the dispersiveness of active ingredient in water in the preparation.5 to 200 bags in 10 ares of paddy field application by throwing them preparations, but preferred amount of application is 5 to 50 bags.
In order to prevent that the possibility in lay up period liquid pesticide mixture seepage from preparation from contacting the agricultural chemicals of seepage with human body, the liquid pesticide mixture that is absorbed by porous carrier accounts for 80 to 90% of hole total measurement (volume) at most.
Though the procedure of processing of this bag of agent has no particular limits, the preparation processing process is undertaken by following 3 kinds of examples usually.
The first, 1) two heat-sealing tea bag filter paper insert in the middle of two water-soluble films, and their 3 limits seal with a punching press sealer and make a sack.2) extra large sand is filled in the ready-made bag.3) add liquid pesticide combination in the sack of the extra large sand of filling, the opening portion of sack seals then.4) agent of ready-made bag is put in the envelope type aluminium foil bag, sealing is stored then.
The second, 1) preparation of carrier 1 is to load in the sack of heat-sealing tea bag filter paper into bulk material, seals subsequently.2) carrier 1 is packed in the water-soluble bag.3) add liquid pesticide combination in carrier 1, the opening portion of water-soluble bag seals with a punching press sealer then.4) agent of ready-made bag is put in the envelope type aluminium foil bag, sealing is stored then.
The three, 1) preparation of block porous carrier 2 is to mix with the phenolic resin adhesive with bulk material, with aftershaping and sclerosis.2) carrier 2 is packed in the water-soluble bag.3) add liquid pesticide combination in carrier 2, the opening portion of water-soluble bag seals with a punching press sealer then.4) agent of ready-made bag is put in the envelope type aluminium foil bag, sealing is stored then.
Though the bag agent contains proportion less than 1 liquid pesticide mixture, when a bag agent of processing as stated above was applied to paddy field, they swam in the paddy rice water in field or are deposited on the soil of paddy field according to the bulk density of preparation.In case water-soluble bag dissolves in water, the liquid pesticide mixture will begin in a minute and be discharged into the dispenser position or near the water surface gradually from porous carrier.Simultaneously, the liquid pesticide mixture is emulsified, expand and be distributed to broad regions, causes that active ingredient evenly distributes in the dispenser zone within 24 hours.For the agricultural chemicals of high water soluble, their dispersiveness is enhanced by being exposed to bag agent floating in the air.On the contrary, for the water-fast and enough good agricultural chemicals of their emulsion stabilities almost, in some zone, avoid agricultural chemicals to accumulate and to make its not influence of wind-engaging by the deposition of bag agent.In addition, when the bag agent contains spread to the oil of high volatile volatile, low viscous petroleum solvent in oily mixture, spreading oily rapid release and, forming the very thin oil film of one deck in the preparation along water surface diffusion.
The active ingredient of this bag of agent is easy to disperse and evenly distributes in water, thereby their drug effect seldom reduces, unless the water surface of dispenser paddy field is covered by straw, liver moss and aquatic weed such as duckweed fully.
When 5 to 50 bags of per 10 ares of these bags of paddy field application by throwing them agent, they can bring into play maximum efficacy.The quantity that this preparation is used is certainly regulated.
When this bag agent during at paddy field application by throwing them, they swim in the paddy field water either or are deposited on the soil in rice field.When water-soluble bag dissolves in water, the liquid pesticide mixture just is discharged into the dispenser position or near the water surface gradually from porous carrier.Because this bag of agent contains non-polar solven and has good spontaneous emulsification and dispersed surfactant, active ingredient was diffused into broad regions within 24 hours, cause the concentration of medicament evenly to distribute.Even under the blast condition, active ingredient also evenly spreads and gives full play to their drug effect, and can not produce any poisoning to rice plant.In addition, because this bag agent only comprises liquid pesticide mixture, how newborn carrier and water-soluble bag, preparing them is to carry out simple preparation processing with cheap material.
By further specifying the present invention with reference to following detailed embodiment.These embodiment are only for providing the purpose of explanation, do not plan to become restriction, except as otherwise noted.In an embodiment, " part " and " % " all by weight.
Embodiment 1
Two filter paper as tea bag (heat-sealing tea bag, Grade Reference 474601, Crompton, Britain; Porous, 100 meters
3/ rice
2/ minute) two water-soluble film (Monosol of insertion
, model 7030 or 8534; Chris-Craft industrial product Co., Ltd) in the middle of, their 3 limits seal with a punching press sealer and make a sack (hereinafter referred to as " water-soluble film-filter paper bag "), its method is the limit of concentrating heat-sealing filter paper, so any part of filter paper can not be exposed to the outside.In addition, the filter paper and the water-soluble film that are used as tea bag seal respectively, make sack (hereinafter being called " filter paper bag " and " water-soluble bag ").Above-mentioned sack is used for the preparation of flour bag agent down.
Embodiment 2
Last 14.4 extra large sand of gram of filter paper bag filling and 9.6 gram Microcells SL 350
, sealing then.The porous packing material of making is used for the preparation of flour bag agent down.
Embodiment 3
After sea sand and Microcells SL 350 mixed with 47: 47 ratio, phenolic resin (model Resol) added in the mixture that obtains with 9: 94 ratio.The carrier mixture of making is made the club of 2.7 centimetres of diameters by extruding, by hardening in 2 hours 150 ℃ of dryings, is cut into certain size then.The carrier of making (hereinafter referred to as " how newborn piece ") is used as the preparation of flour bag agent down.
Embodiment 4
6.6 the pyrazosulfuron (purity 99.0%) of part is dissolved in 472.8 parts of molinates (purity 98.0%).(alkyl phenyl APEO, polyoxyethylene alkane ξ enemy-pyrazosulfuron missible oil contain effective composition 47.0%, and proportion is 0.970 to add 400.6 parts of dimethylbenzene (industrial goods) and 120 parts of emulsifier in this mixture.The liquid pesticide mixture of making is used for embodiment 5,6,7,8 and 15.
Embodiment 5
Granularity be 0.3 to 0.5 millimeter extra large sand produce as follows: with a mortar and tamper grinding, screen analysis, water flushing, dry then.In the above-mentioned extra large sand closed packing water inlet dissolubility film-filter paper bag of 57 grams.In above-mentioned bag, add 11.3 gram molinate-pyrazosulfuron missible oil and seal this bag and make the bag agent that contains effective composition 7.78%.This bag agent is put in the envelope type aluminium foil bag, then heat-sealing.
Embodiment 6
Granularity be 0.3 to 0.5 millimeter extra large sand produce as follows: with a mortar and tamper grinding, screen analysis, water flushing, dry then.The above-mentioned extra large sand closed packing of 57 grams advances in the filter paper bag and seals sack to make the porous packing material.Pack into the Monosol of model 7030 of ready-made porous packing material
In the water-soluble bag.In above-mentioned bag, add 11.3 gram molinate-pyrazosulfuron missible oil, and seal this bag, make the bag agent that contains effective composition 7.78%.This bag agent is put in the envelope type aluminium foil bag, then heat-sealing.
Embodiment 7
By pack into the Monosol of model 7030 of the porous packing material of embodiment 2
In the water-soluble bag.In above-mentioned bag, add 11.3 gram molinate-pyrazosulfuron missible oil and seal this bag, make the bag agent that contains effective composition 7.78%.This bag agent is put in the envelope type aluminium foil bag, then heat-sealing.
Embodiment 8
57 gram particle degree are in calcium carbonate closed packing water inlet dissolubility film-filter paper bag of 0.3 to 0.5 millimeter.In above-mentioned bag, add 11.3 gram molinate-pyrazosulfuron missible oil and seal this bag, make the bag agent that contains effective composition 7.78%.This bag agent is put in the envelope type aluminium foil bag, then heat-sealing.
Embodiment 9
15.2 being 0.3 to 0.5 millimeter extra large sand and 10.1, the gram particle degree restrains in Microcells SL 350 closed packings water inlet dissolubility film-filter paper bag.In above-mentioned bag, add 12.3 gram Ronstar
Missible oil (active ingredient 12%, proportion 0.92; Han-Nong Agrichimie, Korea S), seal this bag and make the bag agent that contains effective composition 3.9%.This bag agent is put in the envelope type aluminium foil bag, then heat-sealing.
Embodiment 10
The butachlor ec that 556 parts of butachlors (purity 87%), 100 parts of emulsifier (mixture of nonyl phenyl APEO and calcium dodecyl benzene sulfonate), 344 parts of dimethylbenzene (industrial goods) are mixed and made into.91 gram particle degree are in extra large sand closed packing water inlet dissolubility film-filter paper bag of 0.3 to 0.5 millimeter.In above-mentioned bag, add 18.6 gram butachlor ecs and seal this bag, make the bag agent that contains effective composition 8.21%.This bag agent is put in the envelope type aluminium foil bag, then heat-sealing.
Embodiment 11
395.4 part diazinon (purity 96.1%), 100 parts of emulsifier (mixture of nonyl phenyl APEO, castor oil polyoxyethylene ether and calcium dodecyl benzene sulfonate), 20 parts of chloropropylene oxides, 484.6 parts of dimethylbenzene (industrial goods) are mixed and made into the diazinon missible oil of proportion 0.970.68 gram particle degree are in extra large sand closed packing water inlet dissolubility film-filter paper bag of 0.3 to 0.5 millimeter.In above-mentioned bag, add 13.5 gram diazinon missible oil and seal this bag, make the bag agent that contains effective composition 6.3%.This bag agent is put in the envelope type aluminium foil bag, then heat-sealing.
Embodiment 12
231.2 part diazinon (purity 96.4%), 228.6 parts of Bassas (purity 97.5%), 100 parts of emulsifier (mixture of nonyl phenyl APEO, castor oil polyoxyethylene ether and calcium dodecyl benzene sulfonate) and 440.2 parts of dimethylbenzene (industrial goods) are mixed and made into the diazinon-Bassa missible oil of proportion 0.970.68 gram particle degree are in extra large sand closed packing water inlet dissolubility film-filter paper bag of 0.3 to 0.5 millimeter.In above-mentioned bag, add 13.5 gram diazinon-Bassa missible oil and seal this bag, make the bag agent that contains effective composition 7.38%.This bag agent is put in the envelope type aluminium foil bag, then heat-sealing.
Embodiment 13
42 parts of ether chrysanthemum esters (purity 96.9%), 40 parts of emulsifier (mixture of nonyl phenyl APEO, castor oil polyoxyethylene ether and calcium dodecyl benzene sulfonate), 460 parts of diisopropyl phthalates and 458 parts of dimethylbenzene (industrial goods) are mixed and made into ether chrysanthemum ester and can directly spray finish.50 gram particle degree are in extra large sand closed packing water inlet dissolubility film-filter paper bag of 0.3 to 0.5 millimeter.In above-mentioned bag, add 10 gram ether chrysanthemum esters and can directly spray finish and seal this bag, make the bag agent that contains effective composition 6.67%.This bag agent is put in the envelope type aluminium foil bag, then heat-sealing.
Embodiment 14
112.6 part own azoles alcohol (purity 88.8%) is dissolved in 500 parts of cyclohexanone (industrial goods).In said mixture, add 100 parts of emulsifier (mixture of alkyl phenyl APEO, polyoxyethylene alkylphosphonate and calcium dodecyl benzene sulfonate) and 287.4 parts of dimethylbenzene (industrial goods) and be mixed and made into own azoles alcohol missible oil.68 gram particle degree are in extra large sand closed packing water inlet dissolubility film-filter paper bag of 0.3 to 0.5 millimeter.In above-mentioned bag, add 20 restrain oneself azoles alcohol missible oil and seal this bag, make bag agent that contains effective composition 1.67%.This bag agent is put in the envelope type aluminium foil bag, then heat-sealing.
Embodiment 15
22.1 the packaged Monosol that goes into model 7030 of gram porous
In the water-soluble bag.In above-mentioned bag, add 11.3 gram molinate-pyrazosulfuron missible oil and seal this bag, make the bag agent that contains effective composition 7.78%.This bag agent is put in the envelope type aluminium foil bag, then heat-sealing.
After this bag of agent was applied to paddy field, the distribution of active ingredient and their drug effects were consulted following detailed experimental example and are described further.
Experimental example 1: following is after the weed killer herbicide molinate-agent of pyrazosulfuron bag is applied to paddy field, and active ingredient is distributed and they evaluations to the weed control drug effect.
13 * 15.3 meters of the rice field areas of transplanting rice seedlings
2Experimental field the vinyl tube piling with 1 centimetre of diameter, 1.2 meters of length is divided into 2 * 2 meters of areas
2The sub-district.Behind the rice transplanting, sow barnyard grass grass (Echinochloa crus-galli Beauv.), scouring rush's shape comet shepherd's purse (Eleocharis kuroguwai Ohwi), nutgrass flatsedge (Cyperus serotinus Rottb.) and Sagittaria pygmaea (Sagittaria trifolia L.) in the central authorities of every sub-district at once.Behind the rice transplanting 10 days, the water surface experimental field is adjusted to high about 6 centimetres.After using 6 bags of molinates by embodiment 7 preparation-pyrazosulfuron bag agent, get 5 milliliters water sample from the central authorities of every sub-district.Molinate concentration high effective liquid chromatography for measuring in the water sample.Use bag agent judged with ocular estimate after dispenser to the poisoning of rice plant with to the preventive effects of weeds in 30 days.
Handle the distribution of active ingredient in back 24 hours paddy field water either and see Fig. 1.
| .69 | 1.45 | 1.14 | 1.01 | 1.73 | 1.06 | ||
| .24 | ① 1.32 | .85 | 1.21 | ② 1.62 | 1.01 | ||
| 1.18 | 1.25 | .64 | .94 | 1.22 | 1.03 | ||
| 1.11 | 1.47 | .92 | 1.09 | 1.97 | 1.26 | ||
| 1.06 | 1.20 | 1.01 | 1.36 | 1.42 | 1.76 | ||
| .96 | 1.61 | 1.45 | 1.14 | ③ 1.41 | 1.85 | ||
| .80 | 1.08 | 1.09 | .96 | 1.03 | 1.32 | ||
Fig. 1 used after molinate-pyrazosulfuron bag agent 24 hours, and the molinate in paddy field water either distributes.The rice field area of handling is 13 * 15.3 meters
2The concentration of molinate is represented with ppm.
Active ingredient relatively evenly distributes, and blows continuously upward with shown in Figure 1 even reduce 2-3 centimetre water every day in rice field at most naturally.
Handle in the back 24 hours rice field, the mean concentration of molinate is 1.23ppm, and variation coefficient is 23.4%.The distribution of molinate in water in the bag agent is more even than the molinate distribution of conventional granula, and the latter's the coefficient of variation is 25-30%.
The bag agent can not produce any poisoning to rice plant, is suppressed 50,60 and 30% respectively except the place of position 1,2,3 has one clump of rice plant to demonstrate growth.The bag agent can be prevented and kill off fully and be planted in four kinds of paddy field different weeds.
Experimental example 2: following is the active ingredient distribution that paddy field is handled in the agent of diazinon bag
Paddy rice is heading stage, 13 * 15.3 meters of rice field areas
2, be divided into 2 * 2 meters of areas with the vinyl tube piling of 1.2 meters of diameter 1 centimetre lengths
2The sub-district.After the water surface experimental field was adjusted to high about 6 centimetres, hand was thrown and is executed by 6 bags of the diazinon bag agent of embodiment 11 preparations as far as possible equably.Got 5 milliliters water sample behind the medicine in 24 hours from the central authorities of every sub-district.Diazinon concentration high effective liquid chromatography for measuring in the water sample.
Fig. 2 is seen in the active ingredient distribution of handling in the back 24 hours paddy field water either.
| .61 | .66 | .52 | .64 | .78 | .35 | ||
| .43 | .63 | .57 | .49 | .69 | .40 | ||
| .69 | .46 | .54 | .65 | .42 | .58 | ||
| 1.14 | .86 | .39 | .54 | .61 | .54 | ||
| .60 | .88 | .61 | .45 | .43 | .44 | ||
| .72 | .75 | .51 | .67 | .96 | .41 | ||
| .57 | .70 | .52 | .37 | .76 | .94 | ||
24 hours diazinons in paddy field water either distributed after Fig. 2 used the agent of diazinon bag.
The rice field area of handling is 13 * 15.3 meters
2The concentration of diazinon is represented with ppm.
Diazinon active ingredient relatively evenly distributes, and the mean concentration of handling diazinon in the back 24 hours paddy field water either is 0.61ppm, and variation coefficient is 28.5%.Its variation coefficient and conventional granula are similar.Should expect from these results has excellent control efficiency to insect.
From as seen above-mentioned, bag of the present invention agent paddy field application by throwing them per 10 ares only hand throw 5 to 50 bags, and need not special-purpose medical instruments.The bag agent can be saved labour and the pesticide poisoning danger of minimizing during manual dispenser widely.Therefore, hand is thrown and to be used the bag agent that contains agricultural chemicals, can successfully substitute regular dosage form and obtain excellent control efficiency to weeds, insect and plant disease.
Claims (19)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR14556/96 | 1996-05-04 | ||
| KR19960014556 | 1996-05-04 | ||
| KR14556/1996 | 1996-05-04 | ||
| PCT/KR1997/000077 WO1997041726A1 (en) | 1996-05-04 | 1997-05-02 | Jumbo formulation comprising pesticides and the process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1190328A CN1190328A (en) | 1998-08-12 |
| CN1136769C true CN1136769C (en) | 2004-02-04 |
Family
ID=19457740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB971904650A Expired - Fee Related CN1136769C (en) | 1996-05-04 | 1997-05-02 | Jumbo formulation comprising pesticides and process thereof |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0837628A1 (en) |
| JP (1) | JP3119878B2 (en) |
| KR (1) | KR100208745B1 (en) |
| CN (1) | CN1136769C (en) |
| MY (1) | MY132578A (en) |
| TW (1) | TW436261B (en) |
| WO (1) | WO1997041726A1 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0636998U (en) * | 1992-10-28 | 1994-05-17 | カシオ計算機株式会社 | In-vehicle video display device |
| PE20001522A1 (en) | 1999-02-11 | 2000-12-29 | American Cyanamid Co | LIGHTWEIGHT EXTRUDED COMPOSITIONS CONTAINING A LIGHTWEIGHT CERAMIC EXTRUIBLE CARRIER, METHODS OF USE OF THE SAME AND PROCESSES FOR THEIR PREPARATION |
| JP2002053405A (en) * | 2000-08-08 | 2002-02-19 | Aventis Cropscience Gmbh | Agrochemical preparation floating on water surface |
| JP5674252B2 (en) * | 2001-02-08 | 2015-02-25 | クミアイ化学工業株式会社 | Solid agrochemical composition, method for producing the same, and method for spraying the same |
| KR100674589B1 (en) * | 2004-01-15 | 2007-01-26 | 주식회사경농 | Manufacturing method of controlled release pesticide granule |
| JP5518291B2 (en) * | 2004-10-12 | 2014-06-11 | エヴァーリス・インターナショナル・ベスローテン・フェンノートシャップ | Release controlled plant growth nutrient molded product and method for producing the same |
| GB0507093D0 (en) * | 2005-04-07 | 2005-05-11 | Syngenta Participations Ag | Weed control |
| KR100843332B1 (en) * | 2006-12-05 | 2008-07-03 | 주식회사동방아그로 | Medium and large pesticide granules having sleep-floating diffusivity and preparation method thereof |
| KR100882271B1 (en) * | 2007-06-14 | 2009-02-09 | 주식회사 워터스 | Tea bag tea using a porous carrier and method for producing the tea bag tea |
| JP6146944B2 (en) * | 2011-08-05 | 2017-06-14 | 日産化学工業株式会社 | Agricultural water surface granular composition |
| KR101372943B1 (en) * | 2012-06-26 | 2014-03-12 | 주식회사경농 | Method for preparing emulsifiable solid agrochemical composition comprising an inorganic salt |
| CN112471146B (en) * | 2020-10-26 | 2021-12-31 | 华南农业大学 | Environment-friendly pesticide hand polishing agent and preparation method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61171401A (en) * | 1985-01-23 | 1986-08-02 | Sanko Kagaku Kogyo Kk | Porous calcined granulated carrier |
| JPS63112502A (en) * | 1986-10-30 | 1988-05-17 | Tosoh Corp | herbicide composition |
| JP3772994B2 (en) * | 1995-06-22 | 2006-05-10 | バイエルクロップサイエンス株式会社 | Pesticide granule for paddy field |
-
1997
- 1997-02-25 KR KR1019970005851A patent/KR100208745B1/en not_active IP Right Cessation
- 1997-05-01 TW TW086105787A patent/TW436261B/en not_active IP Right Cessation
- 1997-05-02 MY MYPI97001909A patent/MY132578A/en unknown
- 1997-05-02 CN CNB971904650A patent/CN1136769C/en not_active Expired - Fee Related
- 1997-05-02 WO PCT/KR1997/000077 patent/WO1997041726A1/en not_active Application Discontinuation
- 1997-05-02 JP JP09539758A patent/JP3119878B2/en not_active Expired - Fee Related
- 1997-05-02 EP EP97920970A patent/EP0837628A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| KR970073337A (en) | 1997-12-10 |
| JPH10510560A (en) | 1998-10-13 |
| EP0837628A1 (en) | 1998-04-29 |
| WO1997041726A1 (en) | 1997-11-13 |
| KR100208745B1 (en) | 1999-07-15 |
| MY132578A (en) | 2007-10-31 |
| JP3119878B2 (en) | 2000-12-25 |
| TW436261B (en) | 2001-05-28 |
| CN1190328A (en) | 1998-08-12 |
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