KR19980066443A - Sleep floating pesticide granules and preparation method thereof - Google Patents

Abstract

According to the present invention, when the pesticide preparation is treated in water, the pesticide preparation once settles in water and floats to the surface, so that the pesticide active ingredient contained in the pesticide preparation is dispersed from the pesticide preparation. The present invention relates to a sleep-injured pesticide granule which is made to be completely eluted so as to sufficiently exhibit a control effect on a target pest or other object, and a manufacturing method for producing the pesticide granule having such a function.

Sleep floating pesticide granules according to the present invention, 0.1 to 15% by weight of the pesticide active ingredient, 0 to 15% by weight of the solvent, 0.1 to 5% by weight of the surfactant, 0.1 to 5% by weight of the binder, 0.1 to 10% by weight The auxiliary solid carrier of% and 50 to 99.6% by weight of the water-soluble solid carrier is uniformly mixed to form a granule.

Therefore, it is possible to use enough in the diffusivity, medicinal efficacy and weakness of the active ingredient of the pesticides, and also has the effect of providing a suitable sleep injury pesticide granules to be applied to the actual product even in the storage properties in consideration of the change over time.

Description

Sleep floating pesticide granules and preparation method thereof

The present invention relates to sleep-injured pesticide granules and a method for manufacturing the same, and more particularly, when the pesticides are treated in water, the pesticides once settled in water and floated to the surface, and the pesticides are spread near the water surface. And dispersing the agrochemical active ingredient contained in the pesticide preparation to completely dissolve from the pesticide preparation to sufficiently control the pests or other targets, and to produce agroid pesticide preparation and pesticide preparation having such a function. It relates to a manufacturing method.

In recent years, the rural situation of adolescent men and women has been intensified, and as the aging population and women become more aging, there is an urgent need for mechanization and low labor. Many developments have been made.

Particularly, in the formulation of granules of pesticides, it is common to solidify the pesticides. This is because powdered powders, liquids in the form of liquids, and granules in the form of small granules are major obstacles in pharmaceutical treatment. It can be said to be due to.

In other words, the dust is inconvenient to handle, and the spraying machine has a problem in handling the machine and the spray hose, and in the case of manual spraying by manpower, the worker must directly enter the rice paddy and spray it by hand. Even spraying is difficult, and workers are directly exposed to powdered pesticides, and the danger of pesticide poisoning due to absorption into the human body through respiration is inevitable. In the case of liquids, direct spraying of undiluted solutions is weak to crops. Diluted pesticides must be sprayed directly into the paddy field using manual sprayers or large mechanical sprayers due to the risk of causing pesticides. Therefore, it is difficult to spray pesticides in a wide area, and workers are directly exposed to sprayed pesticides. Human body through breathing There is a problem that the risk of pesticide poisoning due to the absorption of the furnace is inevitable, and even in the case of granulation, there is an advantage of reducing the risk of pesticide poisoning due to absorption into the human body, but it is also difficult to spray a wide area, especially even If it is not spread, there may be problems such as a decrease in the pharmacological effect (depending on the low concentration of the pesticide active ingredient) due to the lack of uniformity of the active ingredient of the pesticide, or weakness of the crop (according to the high concentration phenomenon of the pesticide active ingredient). there was.

On the other hand, (1) mixed with a pesticide active ingredient and a floating carrier, in particular a floating carrier selected from foaming sand, foamed vermiculite, foamed pearlite or cork, the mixture is wrapped with a water-soluble film and directly injected into the paddy field in the form of a pack. For the purpose of simplicity, and when contacted with water, the Korean Patent Application No. 93-26503, which describes agrochemical solids that can disperse the mixture on the surface of the water-soluble film by dissolution, dissolves the agrochemically active ingredients into the pulverized blowing agent. It is a foaming pesticide solids which is made to disperse the solids made by containing in the rice paddy, and to disperse the pesticide active ingredient in the water easily in the water surface. Korean Patent Application No. 93-18849 describing oily pesticide solids No. (3) Formed into tablets with an apparent specific gravity in the range of 0.7 to 1.0, containing the active ingredient of the pesticide, and not buried in the faucet (munon) soil formed by sealing with a water-soluble film or paper or nonwoven fabric which is easily dispersed in itself. Korean Patent Application No. 93-7, (4) coating hydrophobic agent and expansion agent on granules disintegrating and dispersing in water, and the surface floating rate is 80 or more after 10 seconds and 20 or less after 30 minutes Korean Patent Application No. 92-17546, which describes an agrochemical composition configured to have a floating property, (5) a high boiling point solvent having a specific gravity of 1 or less of poorly water-soluble or non-aqueous solvent, and a surfactant and a solid carrier having an HLB of 6 or less. Korean Patent Application No. 89-4426, which describes a pesticide preparation for sleep, comprising (6) agrochemical active ingredients and The prior art includes Korean Patent Application No. 80-3150, which describes a pesticide granule for sleep application, in which a lead-like substance is emulsified and dispersed in a water-dispersible substance so that particles containing pesticide active ingredients are suspended on the surface. As a particle, the water-borne agricultural pesticides developed to improve the penetration performance or gas action from the foliage to the carcasses by increasing the amount of active pesticides distributed on the surface of the water rather than under water, are the Japanese gunpowder in Japan. It was developed by Co., Ltd., and also various formulations and treatments such as development of liquid hydrating agent for sleep treatment, development of sleep development agent for sleep treatment, development of low weight granulation, sleep treatment method, faucet treatment method and general treatment method. Methods are being developed.

However, previously developed formulations have been found to have limitations in terms of viability and high efficiency in pharmacological action. In general, formulations with granules expose many disadvantages in terms of wind influence and mobility. In the case of the packaged form, there are problems such as insufficient dissolution of the pesticide active ingredient, unevenness of the dissolution and concentration unevenness due to the ubiquitous concentration of the active ingredient of the pesticide.

Particularly, some pesticide granules for non-non-treatment were able to reduce the amount of scattering by providing high concentration granules of about 1kg / 10a compared to the low concentration granules of about 3kg / 10a. In addition, it is difficult to spread over a wide area, especially if the even distribution is not made, there is a problem that the risk of weakening of crops is greater, and there is a problem that the risk of poisoning of workers increases due to the high concentration of granules.

In addition, the liquid hydrating agent for water treatment and the surface developing agent, etc., had a problem in that it also had a considerable inconvenience in implementation due to the limitation of the application to be carried out simultaneously with the water to the paddy field.

On the other hand, Japanese Patent Application Publication No. 63-30281 discloses a water-soluble carrier, a film-forming substance having a lower water solubility rate than that of the water-soluble carrier, water, an agricultural chemical active ingredient, and a surfactant, which are made into granules. Sleep floating agrochemical granular composition has been described, and some similarities can be found in the composition and method, but this surface floating agrochemical granular composition only shows the property of floating on the water when put into water, It has been found that the diffusion function such as sleep-injured pesticide granules do not exhibit at all, and thus the range of diffusion of the active ingredient of the pesticide is limited, resulting in various limitations in terms of drug efficacy and weakness.

Therefore, the necessity to develop a sleep-injured pesticide granules that are easy to use and excellent in diffusion function to compensate for the above disadvantages.

SUMMARY OF THE INVENTION An object of the present invention is to provide a surface-injured pesticide granule and a method for producing the same, which can be settled in water and floated on the surface when released into water to sustain the pesticide active ingredient.

Another object of the present invention is that after the pesticides themselves float on the surface, the pesticides are dispersed by dispersing, so that the pesticide active ingredient is eluted from the pesticides to increase the dispersibility of the pesticide active ingredient to increase the dispersibility of the pesticide active ingredient SUMMARY OF THE INVENTION Provided is a sleep-injured pesticide granule that enables homogenization of the concentration of and a preparation method thereof.

It is still another object of the present invention to provide a sleep-injured pesticide preparation which is easy to apply the pesticide by packaging the water-injured pesticide granules in a water-soluble film bag and throwing the appropriate amount per predetermined area.

Sleep agrochemical pesticide preparation according to the present invention for achieving the above object, 0.1 to 15% by weight of the pesticide active ingredient, 0 to 15% by weight of the solvent, 0.1 to 5% by weight of surfactant, 0.1 to 5% by weight of The binder, 0.1 to 10% by weight of the auxiliary solid carrier and 50 to 99.6% by weight of the water-soluble solid carrier is uniformly mixed to form a granule.

The pesticide active ingredient may be a water-soluble pesticide active ingredient, a poorly water-soluble pesticide active ingredient and a water-insoluble pesticide active ingredient.

Examples of the pesticide active ingredient include herbicides such as azimsulfuron, bensulfurmethyl, cynosulfuron, cyclosulfamuron, imazosulfuron, cymetrine, mefenacet, and molinate, beams, caprophamide, isoprothiolane, and the like. And fungicides such as chlorpyriphosmethyl, imidacloprid, fipronil, and the like, and these may be used alone or in combination of two or more.

The solvent has a specific gravity of 0.85 or less, and a liquid organic solvent having good fluidity may be used, and may be preferably a liquid paraffin oil.

As the surfactant, sulfonates such as polyoxyalkylene alkylaryl sulfonates, succinates such as polyoxyalkylene succinate, and the like may be used alone or in combination.

As the binder, water-soluble starch, dextrin, carboxymethyl cellulose, sodium polyacrylate or xanthan gum may be used alone or in combination of two or more.

As the auxiliary solid carrier, calcium carbonate, pyropearlite or white carbon may be used alone or in combination of two or more.

As the water-soluble solid carrier, inorganic salts such as ammonium sulfate and potassium chloride may be used alone or in combination.

The sleep-sustaining pesticide granules according to the invention, in particular, 1 to 12% by weight of the pesticide active ingredient, 2 to 10% by weight of the solvent, 0.5 to 2% by weight of the surfactant, 0.5 to 3% by weight of the binder, 0.5 to 6 It is made by forming a granular shape by uniformly mixing the weight of the auxiliary solid carrier and 69 to 95.5% by weight of the water-soluble solid carrier.

According to the present invention, the preparation method of the sleep-injured pesticide granules is prepared by (1) preparing a raw or agrochemically active pesticide powder with a particle size within the range of 7 to 15 µm and mixing the liquid pesticide active ingredient with a solvent. step ; (2) a powdery surfactant preparation step of mixing and adsorbing a liquid surfactant to an auxiliary solid carrier and pulverizing to about 100 mesh; (3) preparing a carrier for pulverizing the powdery surfactant, the auxiliary solid carrier and the water-soluble solid carrier to about 100 mesh each; (4) a mixing step of mixing the powdery raw materials and the carriers except for the surfactant from among the powders obtained in the steps (1), (2) and (3) with each other using a heating mixer capable of supplying heat; (5) Granules are formed by adding 10% by weight of water to the powder mixture mixed in the step (4) and kneading, and molding the granule having a size of 0.5 to 2 mm using a conventional granulating machine. step ; (6) a drying step of drying the moisture-containing granules formed in the granule forming step of (5) with a hot air of 50 to 90 ° C. with a dryer; (7) a solvent adsorption step of adsorbing a solvent alone or a solvent mixed with a liquid pesticide active ingredient in the raw material preparation step of (1) while stirring the granules dried in the drying step (6); And (8) a surfactant coating step of adding a powdered surfactant to the granules on which the solvent is adsorbed to adhere to the surfaces of the granules.

In the extrusion molding of the dough of the powder mixture, the granulation machine may be formed into granules having a predetermined diameter by using a horizontal extrusion machine having a screen having a hole of 0.7 to 1.2 mm in diameter.

Drying of the molded granules may be hot air dried at a ventilation temperature of 40 to 90 ℃, preferably hot air dried at a ventilation temperature of 60 to 80 ℃.

In particular, the pesticide active ingredient may be mixed with the water-soluble solid carrier in the pesticide granules or adsorbed together with the powdery surfactant on the surface of the pesticide granules molded into the water-soluble solid carrier, depending on the physical properties thereof. .

In particular, the finished pesticide granules can be packaged in a water-soluble film bag for each unit weight, preferably 10 to 100g can be packaged in one water-soluble film bag.

Hereinafter, the present invention will be described in detail with reference to specific examples.

Sleep floating pesticide granules according to the present invention, 0.1 to 15% by weight of the pesticide active ingredient, 0 to 15% by weight of the solvent, 0.1 to 5% by weight of the surfactant, 0.1 to 5% by weight of the binder, 0.1 to 10% by weight The auxiliary solid carrier of% and 50 to 99.6% by weight of the water-soluble solid carrier is characterized in that it is made by forming a granular mixture.

In the above pesticide active ingredient shows the actual medicinal effects, herbicides have a herbicidal effect, fungicides have a role of insecticides and insecticides, and these herbicides, fungicides and pesticides are already commercially available, It will be understood that those skilled in the art are those known enough to purchase and use them.

The pesticide active ingredient in the present invention can be used both water-soluble pesticide active ingredient, poorly water-soluble pesticide active ingredient and non-water-soluble pesticide active ingredient, which has a great effect on the physical and / or chemical properties such as formulation or solubility of the pesticide active ingredient itself Can be used without receiving.

The pesticide active ingredient is Azimsulfuron (Azimsulfuron; 1- (4,6-dimethoxy-

Bensulfron methyl (Bensulfron methyl; -(4,6-dimethoxypyrimidin-2-yl-

carbamoylsulfamoyl) -o-toluidic acid), Cinosulfuron; 1- (4,6-

dimethoxy-1,3,5-triazin-2-yl) -3- [2- (2-methoxyethoxy) phenyl-sulfonyl] urea, Cyclosulfamuron; 1-{[2- (cyclopropylcarbonyl) phenyl] sulfa-

moyl} -3- (4,6-dimethoxy-2-pyrimidinyl) urea), Imazosulfuron (Imazosulfuron;

Simetryn (N2, N4-diethyl-6-methylthio-1,3,5-triazine-2,4-

diamine), Mefenacet (2- (1,3-benzothiazol-2-yl-oxy) -N-methyl-

herbicides such as acetanilide) and molinate (Molinate; s-ethylazepane-1-carbothioate); beam; 5-methyl-1,2,4-triazole- [3,4-b] [1,3] benzothiazole Carpropamid (2,2-dichloro-N- [1- (4-chloro-phenyl) ethyl] -1-ethyl-

cyclopropanecarboxamide), isoprothiolane (di-isopropyl-)

Fungicides such as 1,3-dithiolan-2-ylidenemalonate and chlorpyrifosmethyl (o, o-dimethyl-o-3,5,6-trichloro-2-pyridyl-phosphoro-

thioate, Imidacloprid; 1- (6-chloro-3-pyridyl-methyl) -N-

nitroimidazolidin-2-ylideamine), Fipronil ((±) -5-amino-1- (2,6-

Insecticides and the like, these may be used alone or in combination of two or more, these are just listed as an example, it is common in the art that all conventional pesticide active ingredients including them can be used It can be easily understood by those who have knowledge of. When the pesticide active ingredient is used in less than 0.1% by weight it may be difficult to expect the sufficient efficacy of the pesticide because the amount of the pesticide active ingredient is too small. In addition, when the pesticide active ingredient is used in more than 15% by weight, there are too many pesticide active ingredients contained in the individual pesticide pesticides may damage the crops even if the pesticide pesticide according to the present invention is floated on the water surface and sufficiently dispersed on the water surface. This higher problem may be caused.

The solvent serves to dissolve 10% or more of the pesticide active ingredient, a specific gravity of 0.85 or less, a liquid organic solvent with good fluidity can be used, preferably as an environmentally friendly material, by mass use Liquid paraffin oils that are known to not contaminate the environment can also be used. It is preferable that the solvent does not contain water.

The surfactant is a material having a high surface activity and is a lipophilic substance having hydrophilic and lipophilic molecular groups in the molecule, and has excellent properties such as washing power, dispersing power, emulsifying power, solubilizing power, wetting power, bactericidal power, foaming power, and penetration power. When the pesticides according to the present invention are floated on the surface, they are dispersed in water and impart drive force to the pesticides, thereby distributing them as widely as possible. As the surfactant, sulfonic acid salts such as polyoxyalkylene alkylaryl sulfonates, succinic acid salts such as polyoxyalkylene succinate, and the like may be used alone or in combination, but these are all exemplified. It will be apparent to those skilled in the art that other suitable surfactants may be selected and used that meet the above-mentioned objectives. When the surfactant is used in less than 0.1% by weight, there may be a problem that the dispersing effect of the pesticides by the surfactant is poor, and when the surfactant is used in excess of 5% by weight, the surfactant is a micelle structure By forming the micelle structure, the active ingredients of the pesticides may not be sufficiently dispersed or dissolved in water, and may be aggregated by the micelles to inhibit the effects of the active ingredients of the pesticides.

The binder serves to bind the auxiliary solid carrier and the water-soluble solid carriers described below including the pesticide active ingredient to each other, and each of water-soluble starch, dextrin, carboxymethyl cellulose, sodium polyacrylate, or xanthan gum is used alone. Or two or more may be used in combination.

The auxiliary solid carrier is used in particular with the surfactant to adsorb the surfactant by the solvent, and functions as a material forming the surface of the pesticide with these surfactants and solvents, calcium carbonate, pyropearlite or White carbon or the like may be used alone or in combination of two or more. As the auxiliary solid carrier, white carbon may be particularly preferably used.

The water-soluble solid carrier comprises a pesticide active ingredient while occupying most of the pesticide granules of the present invention, and contains a pesticide active ingredient, and functions to gradually disperse them in water, and can be an inorganic salt soluble in water as such. have. As the water-soluble solid carrier, in particular, inorganic salts such as ammonium sulfate and potassium chloride may be used alone or in combination.

According to the present invention, the method for preparing the sleep-injured pesticide granules may be prepared by pulverizing the solid or powdered pesticide active ingredients, and mixing the liquid pesticide active ingredients with a solvent to prepare a raw agent, and the liquid surfactant is an auxiliary solid. The mixture is prepared by adsorbing on a carrier, mixed with each other, and pulverized and powdered solid or powder components such as an auxiliary solid carrier and a water-soluble solid carrier, respectively, and mixed to prepare a powder mixture, kneading it with water, and a conventional granulating machine. Was molded into granular granules, hot-air dried using a common dryer such as a fluidized bed dryer, and the solvent was mixed with a solvent or mixed with a liquid pesticide active ingredient while stirring the dried granules. Powder-based system on the surface of granules in the wet state by adsorption Made hayeoseo applying the active agent.

When the powder mixture is kneaded, the granules may be molded into granules having a predetermined diameter by using a horizontal extrusion machine having a screen having a hole of 0.7 to 1.2 mm in diameter when extrusion is formed by the granulating machine. It is not limited by the standard as described above, which can be easily understood by those skilled in the art that may vary depending on the use of the pesticide active ingredient and the content contained in the total pesticide preparation.

Drying of the molded granules may be hot air dried at a ventilation temperature of 40 to 90 ℃, preferably hot air dry at a ventilation temperature of 60 to 80 ℃, of course, it is understood that other conventional drying apparatus can also be used. It can be.

In particular, the pesticide active ingredient may be mixed with the water-soluble solid carrier in the pesticide granules or adsorbed with the powdered surfactant on the surface of the pesticide granules molded into the water-soluble solid carrier, depending on the physical properties thereof. If the pesticide active ingredient can be decomposed or denatured by moisture, it can be incorporated into the pesticide granules together with the water-soluble solid carrier to be granulated. Also, if the pesticide active ingredient can be decomposed or modified by heat, it is water-soluble. It may be included by adsorbing with a powdered surfactant on the surface of the pesticide granules molded into a solid carrier. As described above, when the pesticide active ingredient is adsorbed on the surface of the pesticide granules, since the pesticide active ingredient is wrapped by the solvent and the powdery surfactant, when floating to the rice paddy and dispersion of the whole paddy field Sufficient solution time can be maintained until, whereby an even effect of the drug can be obtained.

The finished pesticide granules may be packaged into a water-soluble film bag for each unit weight, and preferably, 10 to 100 g may be packed into one water-soluble film bag. Thus, the water-injured pesticide preparation according to the present invention packaged in a water-soluble film bag can simplify the application of the pesticide by treating a certain number per unit area by throwing it into rice paddies while being packed in a water-soluble film bag. After being thrown away, the water-soluble film bag containing the pesticides was first dissolved in water, and then the pesticides packaged in the water-soluble film bags floated to the surface due to the properties of the pesticide agent itself, and subsequently coated on the surface of the pesticide agent. The driving force is obtained by the action of the powdery surfactant, it is even by the dispersion and release into the water due to the surface injury and spreadability and dissolution of the water-soluble solid carrier over time according to the present invention containing the pesticide active ingredient So that it can be applied to the whole paddy The.

The water-soluble film bag may be dissolved after a predetermined time with low temperature water such as polyvinyl alcohol or water-soluble cellulose film such as Hi-Cellon (trademark of Japan Synthetic Co., Ltd.). A bag made of a conventional water-soluble film may be used, and both of the water-soluble film and the bag formed of the water-soluble film may be easily understood by those skilled in the art and are well known to be commercially available. .

Therefore, even by partially treating the paddy field, the active ingredient of the pesticide is uniformly dispersed in the paddy field, thereby enabling the drug to be evenly applied without risk of weakening.

On the basis of the above description will be described with reference to specific embodiments of the sleep-injured pesticide granules according to the present invention.

Example 1

0.25 kg of powdered bensulfuronmethyl as a pesticide active ingredient was prepared by grinding to 10 µm, 7.5 kg of liquid mollinate was mixed with 7.5 kg of paraffin oil as a solvent, prepared as a mixed solution, and sodium dialkyl sulfosuccinic acid as a surfactant. 2 kg of nate and 2 kg of white carbon as an auxiliary solid carrier are mixed, pulverized and prepared to about 100 mesh, except for a part of the mixture of sodium dialkyl sulfosuccinate and white carbon, and the prepared powders such as the pesticide active ingredient as a binder. 1.2 kg of xanthan gum and 0.8 kg of sodium polyacrylate, 1 kg of white carbon as auxiliary solid carrier and 77.75 kg of potassium chloride as water soluble carrier were mixed with 100 milled powders, and 10 parts by weight of the total weight of the powder mixture Knead using water, the particle size of 1mm with a conventional granulation machine After molding into granules, the dried powder was dried with hot air adjusted to 70 ° C. in a conventional fluidized bed dryer, and the remaining powdered surfactant was adsorbed while adsorbing the dried granules by adding a liquid moltenate mixed with the paraffin oil while stirring in a mixer. It was attached to the surface of the granules to complete the pesticide granules. The finished sleep-injured pesticide granules were put in a water-soluble film bag of 50 g in one water-soluble film bag so that the pesticide granules were treated as a standard of 2kg / 10a.

Example 2

It was prepared in the same manner as in Example 1 except that 0.075 kg of powdered azisulfuron as an agricultural chemical active ingredient was ground to 10 µm, and 77.925 kg of potassium chloride was ground to 100 mesh as a water-soluble solid carrier.

Example 3

0.375 kg of powdered imazosulfuron as a pesticide active ingredient was prepared by grinding to 10 µm, and the same procedure as in Example 1 was carried out except that 77.625 kg of potassium chloride was used as the water-soluble solid carrier.

Example 4

0.12 kg of powdered cynosulfuron as a pesticide active ingredient was prepared by grinding to 10 μm, and the same procedure as in Example 1 was carried out except that 77.88 kg of potassium chloride was used as a water-soluble solid carrier.

Example 5

0.3 kg of cyclosulfamuron in powder form was prepared as a pesticide active ingredient by grinding to 10 µm, and the same procedure as in Example 1 was performed except that 77.7 kg of potassium chloride was used as the water-soluble solid carrier.

Example 6

0.375 kg of powdered imazosulfuron and 0.6 kg of simethrin were prepared as a pesticide active ingredient at 10 μm, and the same procedure as in Example 1 was carried out except that 77.025 kg of potassium chloride was used as the water-soluble solid carrier.

Example 7

As a pesticide active ingredient, only 0.25 kg of powdered bensulfuronmethyl and 10 kg of mefenacet are prepared by grinding to 10 μm, 2 kg of paraffin oil is used as a solvent, 80.75 kg of potassium chloride is used as a water-soluble solid carrier, and a liquid pesticide active ingredient is used. Was prepared in the same manner as in Example 1, except that the mixture was mixed with a solvent to prepare a sleep-injured pesticide granules, and the finished sleep-infestation pesticide granules were injected into a pesticide granule with a standard of 1 kg / 10a. Into the water-soluble film bag was put 50g of the sleep-injured pesticide granules.

Example 8

0.8 kg of isoprochiola as an active ingredient of pesticide and 5 kg of white carbon as auxiliary solid carrier are mixed together and pulverized to 10㎛, 1kg of powder beam is used, 2kg of paraffin oil as solvent, potassium chloride as water-soluble solid carrier The same procedure as in Example 7 was carried out except that 78 kg was used.

Example 9

As a pesticide active ingredient, only 4 kg of powdered capropamide was prepared by grinding to 10 µm, and 3 kg of white carbon, 2 kg of sodium dialkylsulfosuccinate, 3 kg of paraffin oil, and 2 kg of xanthan gum were used, and 86 kg of potassium chloride was used as a water-soluble solid carrier. The same procedure as in Example 7 was carried out except for use.

Example 10

Only 4 kg of powdered caprophamide and 2 kg of imidacloprid were prepared by grinding to 10 μm as an active pesticide, and the same procedure as in Example 7 was carried out except that 84 kg of potassium chloride was used as the water-soluble solid carrier.

Example 11

The amount of each component is the same as that of Example 10, except that the powder of imidacloprid among the agrochemically active ingredients entered during granulation is adsorbed together when the powdered surfactant is adsorbed together. Was performed.

Example 12

Only 1.8 kg of powdered fipronil as a pesticide active ingredient was prepared by grinding to 10 μm, and the same procedure as in Example 7 was carried out except that 88.2 kg of potassium chloride was used as the water-soluble solid carrier.

Example 13

The amount of each component is the same as that of Example 12, except that the powder of the pesticide active ingredient fipronil, which is used during granulation, is adsorbed together when the powdered surfactant is adsorbed. Was performed.

Example 14

1.8 kg of powdered fipronil is used as an active pesticide, and 87.2 kg of potassium chloride is used as a water-soluble solid carrier. Only 1 kg of chlorpyriphosmethyl is heated and adsorbed to 1 kg of white carbon as an auxiliary solid carrier, Preparation was carried out by pulverization, and granulation was carried out in the same manner as in Example 7, except for adsorbing together when adsorbing the powdery surfactant.

Example 15

Only 2 kg of powdered imidacloprid as a pesticide active ingredient was prepared by grinding to 10 μm, and the same procedure as in Example 7 was carried out except that 88 kg of potassium chloride was used as the water-soluble solid carrier.

Example 16

The amount of each component is the same as that of Example 15, except that the powder of the pesticide active ingredient imidacloprid, which is used during the granulation, is adsorbed together when the powdered surfactant is adsorbed. It was.

Injury Movement Distance Test of Sleep Injury Pesticides with Time

Using the surface injury pesticides obtained from Examples 3 and 4 was measured the time from the initial point to the surface to rise to the surface, the time required to move by the distance traveled, and the measurement results are shown in Table 1 Indicated.

Initial injury time and travel distance according to time The distance Injury time 3m 5 m 7m 10m Example 3 35 seconds 3 minutes 8 minutes 20 minutes 35 minutes Example 4 35 seconds 3 minutes 7 minutes 20 minutes 35 minutes

Therefore, even in the case of treating the sleep-injured pesticide preparation according to the present invention at any position in the discussion, the pesticide preparation is once submerged in water and re-emerged after about 30 seconds, which is then used to construct the pesticide preparation of the present invention. In particular, due to the role of solvents and surfactants absorbed and attached to the surface of the granules, that is, they dissolve in water, they are dispersed in all directions at a relatively high speed, and the water-soluble solid carriers making up most of the pesticide granules at the dispersed points are As it is dissolved in water, the pesticide active ingredient mixed therein is eluted. Therefore, even if the pesticide preparation according to the present invention in the part of the discussion, the pesticide effect can be obtained by dispersing the pesticide evenly over the entire discussion.

After all, it is possible to put a certain amount of the water-injured agrochemical pesticide in accordance with the present invention in a water-soluble film bag, packaging and packaging to form a cell, even if thrown into the rice paddy unit in the unit of the water surface. By dissolving the water-soluble film bag containing the floating pesticides by water in the paddy field, the surface of the water-borne agrochemicals is exposed, re-emerged into water, dispersed as described above, and gradually dissolved to elute the pesticide active ingredient. It was found that the same or similar results could be obtained as the pesticides were evenly applied throughout the discussion.

Underwater Diffusion Concentration Test by Time and Distance by Distance

The underwater diffusion concentration test according to the time course by distance is conducted indoors to check the underwater diffusion concentration of the active ingredient of the pesticide due to the surface injury and self-dispersion of the pesticide preparation in the absence of wind or running water. (10m in length * 5m in width * 20cm in depth), and after filling the usual tap water with a height of 5cm, one water-soluble film bag containing the pesticide preparation prepared in Example 3 was put at one end of the pool, 500 ml of water at the relevant spot was collected by time and distance, and the concentration of the pesticide active ingredient was measured to check the diffusion state.

Underwater Diffusion Concentration with Time and Distance Pesticide active ingredient Light and distance 3m 5 m 7m 10m Elapsed time 3 hours Forehead Sulfuron 0.18 0.15 0.10 0.08 Molinate 3.90 3.40 2.70 1.20 8 hours Forehead Sulfuron 0.11 0.09 0.09 0.08 Molinate 3.30 3.00 2.40 2.10 24 hours Forehead Sulfuron 0.09 0.08 0.08 0.08 Molinate 1.80 1.70 1.60 1.40 Concentration unit; ppm

In view of the results shown in Table 2 above, during the spray treatment of the water-retaining agrochemical pesticides according to the present invention, after the pesticides are pushed together by the solvent and the surfactant treated on the surface of the pesticides evenly dispersed in all directions As the water-soluble solid carrier is dissolved, the active ingredient of the pesticide is eluted. After about 8 hours, the pesticide active ingredient is dispersed and distributed at a relatively even concentration. , It was found to be distributed.

Drug efficacy test

Blood and tadpoles were used for the efficacy test, and Chucheong rice grown for 8 days as a starting material was used as the target for the weakness test. Each of 10 semicircular pipe pots 1,400cm * 10cm * 10cm high was filled with sandy loam. Thereafter, after transplanting and seeding Chuchubap, blood and tadpoles at intervals of 50 cm, respectively, the freshwater core was filled with 5 cm on day 10, and the pesticide granules were thrown into water at one end of the pot. Judging of the weakness was averaged by dividing 10 grades from 0 (no harm) to 9 (complete test) by visually inspecting whether rice died or suppressed growth on the 15th day after treatment. 40 days after the drug treatment, the degree of blood and tadpoles and the degree of inhibition of growth were visually inspected by distance and averaged by the percentage of 100% (complete test) to 0% (no drug).

Drug efficacy and test results by distance from drug treatment site Test Type Target crop Distance from treatment point (m) 0 One 2 3 4 5 6 7 8 9 10 11 12 13 14 Example 2 Weak rice plant 1.0 1.0 1.0 1.0 1.0 0.8 0.8 0.5 0.5 0.5 0.5 0.2 0.0 0.0 0.0 Medicinal effect blood 100 100 100 100 100 100 100 97 95 95 94 90 75 50 10 Coming 100 100 100 100 100 100 100 100 100 98 95 93 80 62 10 Example 3 Weak rice plant 1.0 1.0 1.0 0.8 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.0 0.0 0.0 0.0 Medicinal effect blood 100 100 100 100 100 100 100 100 98 98 98 95 82 68 28 Coming 100 100 100 100 100 100 100 100 100 100 98 96 86 70 30 Example 4 Weak rice plant 1.5 1.5 1.5 1.2 1.2 1.2 1.2 1.0 1.0 1.0 1.0 0.8 0.5 0.0 0.0 Medicinal effect blood 100 100 100 100 100 100 96 96 95 94 94 90 80 65 15 Coming 100 100 100 100 100 100 100 100 100 100 100 98 88 75 35 Come = tadpole

In view of the results shown in Table 3 above, during the spray treatment of the surface water-infestation pesticide according to the present invention, a very good weakness and drug efficacy can be obtained simultaneously up to a range within 10 m from the drug treatment point of the foam unit, about 13 m It is possible to obtain a medicinal effect that can be cited up to now, but it was confirmed that the medicinal effect was significantly reduced at places exceeding 14 m. Therefore, when treating the pads in rice fields, an interval of about 10 to 12 m or its It is confirmed that proper drug and weakness can be expected by throwing and injecting at intervals within a short time.

Storage stability test with time

In order to measure the change over time of the active ingredient of the pesticide, the sleep-injured pesticide granules obtained according to Examples 3 and 4 of the sleep-injured pesticide granules according to the present invention were put on a silver foil bag used to package conventional powdery pesticides. About 50g each is added, sealed and stored in a thermostat maintaining a temperature of 40 ℃ ± 2 ℃. Samples are taken over time, and each component is quantitatively analyzed according to the conventional pesticide process analysis method. Shown in

Storage stability test results with time Change rate over time Pesticide Active Ingredients Early 4 weeks later 8 weeks later 12 weeks later Example 3 Imazo / Molly 0 1.8 / 0 3.1 / 0 4.4 / 0 Example 4 Sino / Molly 0 1.2 / 0 3.2 / 0 4.1 / 0 unit ; % (1) imazo = imazosulfuron (2) Molly = molinate (3) cyno = cynosulfuron

In view of the results shown in Table 4, the sleep-injured pesticide preparation according to the present invention does not significantly affect the pesticide active ingredient even if stored for a long time at 40 ℃ corresponding to the summer's highest temperature for four seasons in Korea for a long time. As a result, it was confirmed that there was no problem in the commercialization and storage.

Therefore, according to the present invention, it is possible to use enough in the diffusivity, medicinal efficacy and weakness of the active ingredient of the pesticide, and in the existing granulation molding machine, while maintaining the appropriate for use in the actual product even in storage properties considering changes over time, It is possible to use a conventional granulation equipment such as a dryer and a hammer mill as it is, there is no need to change or add equipment according to the production, there is an effect that can be economically produced.

In addition, the sleep-injured pesticide granules according to the present invention are packaged in a water-soluble film bag so that an appropriate amount of pesticide active ingredient per unit area can be thrown as it is to treat the drug, there is no risk of pesticide poisoning of workers, vitalization is There is an effect that can be used easily.

Although the present invention has been described in detail only with respect to the described embodiments, it will be apparent to those skilled in the art that various modifications and variations are possible within the technical scope of the present invention, and such modifications and modifications are within the scope of the appended claims.

Claims (18)

0.1 to 15% by weight of the pesticide active ingredient, 0 to 15% by weight of solvent, 0.1 to 5% by weight of surfactant, 0.1 to 5% by weight of binder, 0.1 to 10% by weight of co-solid carrier and 50 to 99.6% by weight A water-borne solid pesticide granules, characterized in that the water-soluble solid carriers are uniformly mixed to form a granule. The method of claim 1, And said pesticide active ingredient is selected from among a water-soluble pesticide active ingredient, a poorly water-soluble pesticide active ingredient and a water-insoluble pesticide active ingredient. The method of claim 2, The pesticide active ingredients include herbicides such as azimsulfuron, bensulfuronmethyl, cynosulfuron, cyclosulfamuron, imazosulfuron, cymetrine, mefenacet, molinate, beams, caprophamide, isoprothiolane The hypnotic and pesticide pesticides, characterized in that it is used selected from the group consisting of insecticides such as chlorpyriphosmethyl, imidacloprid, fipronil, or a mixture of two or more thereof. The method of claim 1, Said solvent has a specific gravity of 0.85 or less, the liquid surface floating pesticide granules, characterized in that a liquid organic solvent having good fluidity is used. The method of claim 4, wherein The sleep-injured pesticide granules, characterized in that the solvent is a liquid paraffin oil. The method of claim 1, Said surfactant is a sulfonic acid salt such as polyoxyalkylene alkylaryl sulfonate or succinate salt such as polyoxyalkylene succinate, or the like. The method of claim 1, The water-soluble starch, dextrin, carboxymethyl cellulose, sodium polyacrylate, xanthan gum, etc. are used alone or in combination of two or more as the binder, the sleep-injured pesticide granules. The method of claim 1, The supra-floating pesticide granules, characterized in that the calcium carbonate, pyropearlite or white carbon, etc. are used alone or in combination of two or more as the auxiliary solid carrier. The method of claim 1, The water-borne solid pesticides, characterized in that the inorganic salts such as ammonium sulfate, potassium chloride, etc. are used alone or mixed as the water-soluble solid carrier. The method of claim 1, 1-12% by weight of the pesticide active ingredient, 2-10% by weight solvent, 0.5-2% by weight surfactant, 0.5-3% by weight binder, 0.5-6% by weight co-carrier and 69-95.5% by weight The water-soluble solid carrier granules of the above-mentioned, characterized in that it is made by mixing the water-soluble solid carrier uniformly. The method of claim 1, The sleep-injured pesticide granules, characterized in that for packaging the pesticides in a water-soluble film bag. The method of claim 11, The sleep-injured pesticide granules, characterized in that to pack 10 to 100g of the pesticide granules in one water-soluble film bag. (1) preparing a pesticide active ingredient in which a solid or powdered pesticide active ingredient is ground to a particle size within a range of 7 to 15 µm, and the liquid pesticide active ingredient is mixed with a solvent; (2) a powdery surfactant preparation step of mixing and adsorbing a liquid surfactant to an auxiliary solid carrier and pulverizing to about 100 mesh; (3) preparing a carrier for pulverizing the powdery surfactant, the auxiliary solid carrier, and the water-soluble solid carrier to about 100 mesh, respectively; (4) a mixing step of mixing powdery surfactants, raw materials and carriers except for some of the powders obtained in the steps (1), (2) and (3) with each other using a mixer; (5) Granules are formed by adding 10% by weight of water to the powder mixture mixed in the step (4) and kneading, and molding the granule having a size of 0.5 to 2 mm using a conventional granulating machine. step ; (6) a drying step of drying the moisture-containing granules formed in the granule forming step of (5) with hot air at 40 to 90 ° C. with a dryer; (7) a solvent adsorption step of adsorbing a solvent alone or a solvent mixed with a liquid pesticide active ingredient in the raw material preparation step of (1) while stirring the granules dried in the drying step (6); And (8) Surfactant coating step of adhering to the surface of the granules by adding a powdered surfactant to the granules on which the solvent is adsorbed Method for producing the sleep-injured pesticide granules, characterized in that consisting of. The method of claim 13, The granulation step of (5) is a method for producing the water-borne floating pesticide granules, characterized in that the granules of a certain diameter using a horizontal extrusion machine having a screen with a hole of 0.7 to 1.2mm diameter. The method of claim 13, The drying step of (6) is a hot air-drying method for producing the water-sustainable pesticide granules, characterized in that the drying in hot air at a ventilation temperature of 50 to 90 ℃. The method of claim 15, The drying step of (6) is characterized in that the hot air dried at a ventilating temperature of 60 to 80 ℃ the method of producing the water-borne floating pesticide granules. The method of claim 13, And the pesticide active ingredient is mixed with the water-soluble solid carrier in the pesticide preparation and prepared. The method of claim 13, The pesticide active ingredient is adsorbed with the surfactant on the surface of the pesticide granules molded into the water-soluble solid carrier, the production method of the water-borne flocculating pesticide granules.