WO2019117160A1 - 害虫防除用定量噴射装置 - Google Patents

害虫防除用定量噴射装置 Download PDF

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Publication number
WO2019117160A1
WO2019117160A1 PCT/JP2018/045546 JP2018045546W WO2019117160A1 WO 2019117160 A1 WO2019117160 A1 WO 2019117160A1 JP 2018045546 W JP2018045546 W JP 2018045546W WO 2019117160 A1 WO2019117160 A1 WO 2019117160A1
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WO
WIPO (PCT)
Prior art keywords
injection
pest control
straight line
injection device
ports
Prior art date
Application number
PCT/JP2018/045546
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English (en)
French (fr)
Japanese (ja)
Inventor
鋭三郎 阿南
Original Assignee
アース製薬株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by アース製薬株式会社 filed Critical アース製薬株式会社
Priority to CN202310269240.0A priority Critical patent/CN116034974A/zh
Priority to MYPI2020002943A priority patent/MY196793A/en
Priority to CN201880080528.0A priority patent/CN111511206B/zh
Priority to JP2019559668A priority patent/JP7157079B2/ja
Publication of WO2019117160A1 publication Critical patent/WO2019117160A1/ja
Priority to PH12020550850A priority patent/PH12020550850A1/en
Priority to JP2022156334A priority patent/JP7260707B2/ja

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/0025—Mechanical sprayers
    • A01M7/0032—Pressure sprayers
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • 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
    • A01N25/02—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 liquids as carriers, diluents or solvents
    • A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
    • A01N25/06—Aerosols
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

Definitions

  • the present invention relates to a pest control quantitative injection device including a pest control agent containing a pest control component, a container for storing the pest control agent, and a spray mechanism configured to spray a predetermined amount of the pest control agent from the container.
  • an aerosol injection device (so-called aerosol) has been used for the purpose of pest control and the like in a room.
  • aerosol an aerosol composition containing a stock solution containing a pest control component and a propellant is generally contained in a container, and the aerosol composition is injected from a spray nozzle provided in the container along with the spray operation by the user. It is configured to spray out.
  • one of the conventional aerosol spray devices is configured to spray an aerosol composition toward a space on the front side of the spray nozzle from a single spray port provided in the spray nozzle (e.g., a patent) See literature 1).
  • the above-described conventional spray device sprays the aerosol composition directly to the pest to be controlled.
  • an aerosol composition is sprayed into a space where pest control is desired, and particles etc. containing pest control components are retained in the space or the aerosol composition attached to the wall or floor of the space is gradually
  • An injection device is proposed to continuously control pests in the space by releasing it into the space. In the former injection device and the latter injection device, further improvement of the pest control effect on pests to be controlled is desired.
  • One of the objects of the present invention is to provide a quantitative injection device for controlling insect pests, which is excellent in the insect pest control effect on pests to be controlled.
  • a quantitative injection device for pest control is A pest control agent containing a pest control component, a container for containing the pest control agent, and a spray mechanism configured to spray a predetermined amount of the pest control agent from the container,
  • the injection mechanism is It has an injection part provided with a plurality of injection ports by which the pest control agent is injected, and one injection amount of the pest control agent injected from the plurality of injection ports is 0.5 to 2.0 ml Configured to be capable of quantitative injection, which is a fixed amount within the range, Spaces centered on a straight line including the central axis of the injection unit are divided into a plurality of values such that 360 ° are equally divided by the same number of divisions as the plurality of injection ports into the size of the central angle around the straight line Divided into divided spaces, and each of the plurality of divided spaces is configured to have at least one cluster of the pest control agent injected from each of the plurality of injection ports.
  • At least one opening of the plurality of injection ports is configured to be inclined with respect to a plane orthogonal to the straight line.
  • An injection port corresponding to at least one of the plurality of injection ports is configured to be inclined with respect to a plane orthogonal to the straight line.
  • one injection amount of the pest control agent injected from the plurality of injection ports is 0.
  • the space defined by a fixed amount (for example, 1.0 ml) within the range of 5 to 2.0 ml, and centered on a straight line including the central axis of the injection unit (injection button, injection nozzle, etc.) Divided into a plurality of divided spaces so that the value obtained by equally dividing 360 ° by the same number of divisions becomes the size of the central angle around the straight line, and clusters of pest control agents for each of the plurality of divided spaces It has been revealed that when at least one is present (see FIG.
  • an extremely excellent pest control effect can be obtained. Furthermore, according to the constant injection device for controlling insect pests of the present configuration, a predetermined amount of pest control agent determined in advance is jetted every time the user performs a jetting operation, and therefore pest control caused by the user's operation method Variation of the effect does not occur easily, and an excellent pest control effect can be exhibited stably.
  • the quantitative injection device for pest control of the present configuration is excellent in pest control effect on pests to be controlled.
  • the pest control quantitative injection device relating to the second aspect, at least one opening of the plurality of injection ports is inclined with respect to a plane orthogonal to a straight line including the central axis of the injection portion
  • the cluster of pest control agents can be more reliably present in the divided space corresponding to the injection port.
  • the injection hole corresponding to at least one of the plurality of injection holes is inclined with respect to a plane orthogonal to a straight line including the central axis of the injection portion
  • clusters of pest control agents can be more reliably present in divided spaces corresponding to the injection ports. It is preferable that the number of injection ports inclined as described above is larger, and it is more preferable that the injection ports of all the injection ports are inclined as described above.
  • the quantitative injection apparatus for pest control excellent in the pest control effect with respect to the pest of control object can be provided.
  • FIG. 1 is an external view showing a main part of a quantitative injection device for pest control according to an embodiment of the present invention.
  • Fig.2 (a)-FIG.2 (d) show the injection
  • FIG. 2 (a) is the perspective view
  • FIG.2 (b) is its FIG. 2 (c) is a side view thereof
  • FIG. 2 (d) is a cross-sectional view taken along line AA of FIG. 2 (b).
  • FIG. 3 (a) is a cross-sectional view corresponding to FIG. 2 (d) showing the diffusion state of the jetted aerosol composition cluster
  • FIG. 3 (a) is a cross-sectional view corresponding to FIG. 2 (d) showing the diffusion state of the jetted aerosol composition cluster
  • FIG. 3 (a) is a cross-sectional view corresponding to FIG. 2 (d) showing the diffusion state of the jetted aerosol composition cluster
  • FIG. 3 (b) is the diffusion of the jetted aerosol composition cluster It is a front view which shows a state.
  • FIG. 4 is a view for explaining the relationship between the number of injection ports and the diffusion state of clusters of the injected aerosol composition.
  • FIGS. 5 (a) to 5 (d) are views corresponding to FIGS. 2 (a) to 2 (d) of the injection nozzle in the case where the number of injection ports is three.
  • 6 (a) to 6 (d) show modified examples of the injection nozzle in the case where the number of injection ports is four, FIG. 6 (a) is a perspective view thereof, and FIG. 6 (b) is a front view thereof.
  • 6 (c) is a cross-sectional view taken along the line CC of FIG. 6 (b), and FIG. 6 (d) is a cross-sectional view taken along the line DD of FIG. 6 (b).
  • the pest control quantitative injection device 10 (hereinafter, simply referred to as the “quantitative injection device 10”) according to the embodiment of the present invention will be described with reference to the drawings.
  • the quantitative injection device 10 includes a hollow cylindrical container 11 filled with an aerosol composition containing a pest control component, and the vicinity of the center of the upper end of the container 11 A valve stem 12 provided so as to project upward along the axial direction of the container 11 and ejecting the aerosol composition from the container 11 by being pushed downward; and an aerosol cap 13 attached to the upper end of the container 11 Have.
  • the aerosol composition is comprised from the undiluted
  • the aerosol cap 13 has a cover portion 14 attached to the upper end portion of the container 11 and an injection nozzle 15 connected in communication with the valve stem 12 attached thereto and supported swingably by the cover portion 14 to be above the valve stem 12 And an actuator 16 to be engaged therewith.
  • the injection nozzle 15 is accommodated and fixed in a nozzle accommodation chamber 19 provided in the actuator 16.
  • the actuator 16 is pivotable via a hinge 17 extending from the front of the tip end of the injection nozzle 15.
  • the cover portion 14 of the aerosol cap 13 is made of, for example, a synthetic resin, and the lower end portion of the cover portion 14 is engaged with a mounting cup 18 provided at the upper end portion of the container 11.
  • a virgin seal 20 covering the actuator 16 is integrally formed on the top of the actuator 16.
  • the actuator 16 has a flow path 21 extending in the projecting direction (vertical direction; axial direction of the container 11) of the valve stem 12, and a flow path 22 communicating with the flow path 21 and extending orthogonal to the flow path 21. .
  • a nozzle accommodation chamber 19 in which the injection nozzle 15 is accommodated is connected in communication with the flow passage 22.
  • the valve stem 12 is assembled slidably in the vertical direction with respect to a housing (not shown) assembled to the mounting cup 18, and a spring (shown in the drawing) interposed between the valve stem 12 and the housing It is always biased upward by the biasing force (omitted).
  • the actuator 16 in other words, the valve stem 12
  • the valve hole (not shown) inside the valve stem 12 is sealed with a stem rubber (not shown) by the biasing force of the spring.
  • a storage chamber (not shown) of the housing in communication with the inside of the container 11 and an in-stem passage (not shown) extending vertically in the valve stem 12 connected to the flow passage 21 of the actuator 16; Is not in communication.
  • valve stem 12 when the actuator 16 (valve stem 12) is pushed down (i.e., when the injection operation is performed), the valve hole is separated from the stem rubber, and the storage chamber of the housing communicates with the passage in the stem.
  • the aerosol composition filled in the storage chamber of the housing passes through the in-stem passage, the flow passage 21 and the flow passage 22 and the flow passage 31 of the injection nozzle 15 and the injection port 37 (FIG. It supplies to FIG.2 (d) etc.), and an aerosol composition is injected from the injection port 37.
  • FIG. 1 As shown in FIG.
  • the aerosol composition When the aerosol composition is jetted, the aerosol composition which is in the form of fine particles by the action of the propellant becomes clusters CL (aggregates) and diffuses from the jet port 37 to the front side of the jet nozzle 15 (FIG. a) and FIG. 3 (b)).
  • the storage chamber of the housing is configured such that the total amount of the aerosol composition injected from the plurality of injection ports 37 becomes a fixed amount in the range of 0.5 to 2.0 ml in one injection operation.
  • the volume (shape) of the is designed. That is, the constant injection device 10 is a so-called “fixed injection type” aerosol injection device.
  • the valve stem 12, the injection nozzle 15, and the actuator 16 correspond to the "injection mechanism" of the present invention
  • the injection nozzle 15 corresponds to the "injection part" of the present invention.
  • the total amount of the aerosol composition injected from the plurality of injection ports 37 by one injection operation may be a value within the range of 0.5 to 2.0 ml, for example, 0.7 to 1.5 ml
  • the value is preferably in the range, more preferably in the range of 0.9 to 1.3 ml, and still more preferably 1 ml.
  • the injection nozzle 15 made of resin has a stepped cylindrical shape in which the flow path 31 is formed.
  • the side shape of the injection nozzle 15 corresponds to the side shape of the nozzle storage chamber 19 provided in the actuator 16, and in the present embodiment, the large diameter portion 32 on the tip end side of the injection nozzle 15 and the small diameter on the base end side And 33.
  • An annular locking portion 34 is provided at a predetermined position in the axial direction on the outer peripheral surface of the small diameter portion 33 so as to protrude radially outward from the nozzle storage chamber 19 of the injection nozzle 15 for prevention of removal (dropping). ing.
  • the flow path 31 extends from the proximal end of the injection nozzle 15 to the vicinity of the tip along a straight line Ax including the central axis of the injection nozzle 15. With the injection nozzle 15 housed in the nozzle housing chamber 19, the proximal end opening of the flow channel 31 is communicatively connected to the flow channel 22 in the actuator 16.
  • the tip side surface of the injection nozzle 15 has a circular orthogonal surface 35 orthogonal to the straight line Ax, and a conical surface 36 extending obliquely from the outer peripheral edge of the orthogonal surface 35 radially outward and proximally to the straight line Ax , Is composed of.
  • a plurality of (in this example, four) injection ports 37 are formed in the conical surface 36.
  • the plurality of injection ports 37 are spaced circumferentially around the straight line Ax (every 90 ° in this example), extend along the straight line Ax, and are connected to the flow path 31 at the injection port 37a. (See FIG. 2 (d)).
  • the openings 37 b of the plurality of injection ports 37 are inclined radially outward and proximally from the straight line Ax along the conical surface 36 ( See Figure 2 (d)).
  • the openings 37b of the plurality of injection ports 37 are configured to be inclined with respect to the plane orthogonal to the straight line Ax.
  • the aerosol composition (see the white arrow in the figure) which has passed through the flow path 31 is jetted from the opening 37b after passing through the injection holes 37a and the plurality of injection holes 37.
  • the clusters CL of the aerosol composition diffuse from the plurality of injection ports 37 in a state of being inclined radially outward.
  • the injection port 37 represents a space portion connecting the flow path 31 inside the injection nozzle 15 and the outside of the injection nozzle 15. Further, the injection port 37a represents an opening portion of the injection port 37 which is the innermost side (that is, the flow path 31 side) of the injection nozzle 15, and the opening 37b is the outside of the injection port 15 most. Represents an opening on the side.
  • the clusters CL of the aerosol composition injected and diffused from each of the four injection ports 37 surround the space on the front side of the injection nozzle 15. It exists in each of four divided spaces obtained by dividing by the dividing line L passing through the middle point of the adjacent injection ports 37 in the direction.
  • the width of each divided space (the size of the central angle ⁇ ) is 90 °.
  • each of the plurality of divided spaces has at least one cluster CL of the aerosol composition injected from each of the plurality of injection ports 37
  • spray nozzle 15 is comprised so that it may be carried out.
  • the number of the injection ports 37 is four, the number of divided spaces is four, and the width (central angle) of each divided space is 90 °.
  • the number of injection ports 37 is not limited to four, and the clusters CL of the aerosol composition diffused from each of the plurality (two or more) injection ports 37 are a plurality of injections around the straight line Ax It is not particularly limited as long as it exists in each of the divided spaces divided by the same number of divisions as the mouth 37.
  • the number of divided spaces and the width (central angle) of each divided space can be set according to the number (two or more) of the injection ports 37.
  • the number of injection ports 37 is three, as shown in FIGS. 5 (a) to 5 (d) corresponding to FIGS. 2 (a) to 2 (d), 3 formed on the conical surface 36.
  • the two injection ports 37 are spaced circumferentially around the straight line Ax (in this example, every 120 °).
  • the number of divided spaces is three, and the width (central angle) of each divided space is 120 °.
  • the openings 37b of the plurality of injection ports 37 extend radially outward from the straight line Ax along the conical surface 36. Due to the inclination, the clusters CL of the aerosol composition are inclined and spread outward in the radial direction. As shown in FIGS. 2D and 5D, in these examples, the injection ports 37a of the plurality of injection ports 37 are not particularly inclined with respect to the plane orthogonal to the straight line Ax.
  • the plurality of injection ports 37 may be configured by utilizing the grooves 41 and 42 extending radially outward, and the clusters CL of the aerosol composition may be inclined toward the radially outer side to facilitate diffusion.
  • the nozzle 15 shown in FIGS. 6A to 6D is a stepped cylinder in which the small diameter portion 38 is formed on the tip end side of the large diameter portion 32 located on the tip end side of the small diameter portion 33. It has a letter shape.
  • the tip side surface of the small diameter portion 38 is constituted only by a circular orthogonal plane 39 orthogonal to the straight line Ax.
  • the flow passage 31 of the nozzle 15 extends continuously from the large diameter portion 32 to near the tip of the small diameter portion 38.
  • the orthogonal plane 39 is formed with a pair of grooves 41 extending in the vertical direction and a pair of grooves 42 extending in the horizontal direction.
  • the respective grooves 41, 42 extend in the radial direction from the radial inner end equidistant from the straight line Ax to the outer peripheral edge of the orthogonal surface 39, and constitute the injection port 37.
  • the injection port 37 is in communication with the flow path 31 at the injection port 37 a at the radially inner end of the grooves 41 and 42. That is, each groove 41, 42 extends radially outward from the corresponding injection port 37a and is open at the radially outer end.
  • the bottom surfaces 41a of the pair of grooves 41 extend in the direction perpendicular to the straight line Ax (that is, along the radial direction) from the injection port 37a.
  • the bottom surfaces 42a of the pair of grooves 42 extend obliquely with respect to the straight line Ax radially outward and proximal end side from the injection port 37a.
  • the aerosol composition passing through the injection port 37a is guided by the groove 42 and injected. It will be jetted from the opening 37, and the cluster CL of the aerosol composition will be easy to spread in the state where it inclines toward the radial outside.
  • the injection pressure of the aerosol composition at a position 20 cm away from the injection port 37 is preferably 0.1 to 20 gf, more preferably 0.3 to 10 gf, and 0.5 to 5 gf More preferable.
  • the injection pressure is a digital force gauge (model number: DS2-2N, manufactured by Imada Co., Ltd.), which is turned over at a distance of 20 cm from the injection port 37 of the constant injection device 10 under room temperature conditions of 25 ° C.
  • the maximum detected value when the aerosol composition is injected toward the center of the ⁇ 60 mm circular flat plate mounted on the surface is taken as the injection load, and the measurement can be performed by calculating the average value of the injection load.
  • the total opening area of the opening 37b of the injection port 37, the injection time from the viewpoint of set to a value within a desired range preferably from 0.05 ⁇ 8 mm 2, in 0.2 ⁇ 4.0 mm 2 It is more preferable that the distance be 0.4 to 3.0 mm 2 .
  • the total opening area of the injection port 37a (liquid injection part) shown in FIG.2 (d), FIG.5 (d), FIG.6 (c) and FIG.6 (d) makes injection time the value within the desired range. From the viewpoint of setting, it is preferably 0.05 to 8 mm 2 , more preferably 0.2 to 3.0 mm 2 , and still more preferably 0.4 to 2.5 mm 2 .
  • the injection time per injection operation is preferably within 0.8 seconds, more preferably 0.2 to 0.7 seconds, and 0.3 to 0.7 seconds. More preferable. By adopting such a jetting time, it is considered that the volatilization of the pest control component can be efficiently enhanced, and the sustainability of the efficacy of the pest control component is enhanced.
  • a method of adjusting the injection time by one injection operation the method of adjusting the internal diameter of the injection port 37, the method of adjusting the injection pressure, etc. are mentioned, for example.
  • the aerosol composition filled in the container 11 is composed of a stock solution containing a pest control component and a solvent, and a propellant.
  • the pest control component is a component capable of killing, repelling and knocking down the target pest.
  • the type of pest control component is not particularly limited, and known compounds can be used.
  • transfluthrin transfluthrin, cypofothrin, permethrin, pyrethrin, allethrin, phthalthrin, resmethrin, flamothrin, phenothrin, empentrin, Mostethrin, imiprothrin, cyfluthrin, cypamethrin, deltamethrin, memefluthrin, melofluthrin, tralomethrin, profluthrin, and Pyrethroid compounds such as metfluthrin, silicon compounds such as silafluophene, organophosphorus compounds such as fenitrothion, dichlorvos, chlorpyrifos methyl, diazinone and fenthion, carbaryl compounds such as carbaryl and propoxur, oxadiazoles such as methoxadiazon Compounds, methoprene, pyriproxyfen, fipronil and Compounds
  • the pest control component may be appropriately selected according to the type of the target pest.
  • the target pests include, for example, mosquitoes, flies, moths, bees, bugs, roaches, cockroaches, ants, spiders, snails, ticks, lice, centipedes, caterpillars, worms, spiders, spiders, flies, blowfish, butterfly flies, termites, insects, beetles, beetles , Beetles, earwigs, stains, longhorn beetles, cutworms, spinybees, moths, and lice.
  • Transfluthrin, metfluthrin, profluthrin, phthalthrin, prarethrin, montfluorothrin, and the like against flying pests such as mosquitoes, flies, moths, wasps, flies, bush flies, leafhoppers, butterfly flies, frogs and moths Cifenothrin etc. are preferred.
  • flying pests such as mosquitoes, flies, moths, wasps, flies, bush flies, leafhoppers, butterfly flies, frogs and moths Cifenothrin etc.
  • insect pests such as cockroaches, bugs, ants, spiders, spider gums, mites, lice, centipedes, worms, stamens, spiders, termites, bark beetles, caterpillars, earwigs, stains, etc.
  • phenothrin and the like are preferable.
  • the content of the pest control component is preferably 0.01 to 70% by mass / volume in the stock solution.
  • the content of the pest control component is more preferably 0.1% by mass or more, still more preferably 0.3% by mass or more, and more preferably 65% by mass or less, and 50% by mass or less The following are more preferable.
  • the stock solution can contain a solvent for the purpose of adjusting the viscosity of the stock solution, improving production suitability, increasing the permeability of the drug to pests, and the like.
  • solvents include hydrocarbon solvents, alcohol solvents, aromatic solvents, water, and ester solvents.
  • hydrocarbon solvents include aliphatic and alicyclic hydrocarbons such as paraffinic hydrocarbons and naphthenic hydrocarbons, but kerosene such as JIS No. 1 kerosene is preferable. Specific examples thereof include normal paraffins and isoparaffins.
  • the normal paraffin is typically one having 8 to 16 carbon atoms, and examples thereof include neothiozole manufactured by Chuo Kasei Co., Ltd., normal paraffin MA manufactured by JXTG Energy Co., Ltd., Alcane C14-C17 and the like.
  • isoparaffins those having 8 to 16 carbon atoms are representative.
  • Isoper-L examples include lower alcohols such as ethanol and propanol, glycerin, and polyhydric alcohols such as ethylene glycol.
  • the aromatic solvents include toluene and xylene.
  • ester solvents include isopropyl myristate, butyl myristate, hexyl laurate, and isopropyl palmitate.
  • the content of the solvent is preferably 30 to 99.99% by mass / volume in the stock solution. When the solvent is at 30% by weight or more in the stock solution, the production suitability can be improved, and at 99.9% by weight or less, sufficient efficacy can be secured, which is preferable.
  • the content of the solvent is more preferably 35% by mass or more, further preferably 50% by mass or more, still more preferably 99.9% by mass or less, and 99.5% by mass or less More preferable.
  • stock solution can be made to contain other components in the range which does not impair the effect of this invention.
  • other components for example, preservatives, pH adjusters, UV absorbers, deodorants, fragrances, bactericides, fungicides, anti-static agents, antifoam agents, synergists, inorganic powders, surfactants Agents and solubilizers.
  • the content of the undiluted solution can be appropriately changed according to the purpose of use of the fixed amount injection device 10 and the combination with the propellant, and is not particularly limited, but can be, for example, 1 to 50% by volume in the aerosol composition .
  • the stock solution is 1% by volume or more in the aerosol composition, a sufficient pest control component effect can be obtained, and when it is 50% by volume or less, contamination by the stock solution can be reduced.
  • the content of the undiluted solution in the aerosol composition is more preferably 3% by volume or more, further preferably 5% by volume or more, and further preferably 40% by volume or less, still more preferably 30% by volume or less .
  • the propellant is a medium for injecting the above-mentioned stock solution, and is pressure-filled in the pressure container together with the stock solution.
  • the propellant for example, liquefied petroleum gas (LPG) such as propane, propylene, n-butane and isobutane, liquefied gas such as dimethyl ether (DME), carbon dioxide gas, nitrogen gas, and compressed gas such as compressed air
  • LPG liquefied petroleum gas
  • DME dimethyl ether
  • carbon dioxide gas such as dimethyl ether (DME)
  • CO dimethyl ether
  • CO dimethyl ether
  • CO carbon dioxide
  • nitrogen gas nitrogen gas
  • compressed gas such as compressed air
  • halogenated carbon gases such as HFC-152a, HFC-134a, HFO-1234yf, and HFO-1234ze, etc.
  • the propellant to be used may be appropriately selected in accordance with the compatibility with the stock solution and the container member of the aerosol valve.
  • the content of the propellant can be appropriately changed according to the purpose of use of the fixed injection type aerosol and the combination with the undiluted solution, and is not particularly limited. For example, it can be 50 to 99% by volume in the aerosol composition . If the amount of the propellant in the aerosol composition is 50% by volume or more, the pest control component can be more easily diffused because fine spray particles can be sprayed, and the efficacy of the pest control component is likely to be sustained. Moreover, the effect of a sufficient pest control component can be acquired as a propellant is 99 volume% or less.
  • the content of the propellant in the aerosol composition is more preferably 60% by volume or more, further preferably 70% by volume or more, 97% by volume or less, and still more preferably 95% by volume or less.
  • the volume ratio of the undiluted solution to the propellant in the aerosol composition is preferably 1:99 to 50:50, and more preferably 3:97 to 40:60. With such a volume ratio, a sufficient pest control effect can be obtained.
  • the inventor of the present invention has provided a plurality of injection ports 37 in the injection nozzle 15 in the constant injection device 10 as in the various embodiments described above through various experiments, and the space centered on the straight line Ax is around the straight line Ax. At least one cluster CL of the aerosol composition injected from each of the plurality of injection ports 37 is present in each of the divided spaces divided by the same number of divisions as the plurality of injection ports 37 (FIG.
  • aerosol compositions 1 to 5 were prepared containing pest control components, solvents and propellants.
  • an aerosol composition may be described as a "composition” hereafter.
  • the specific gravity of each is 1.388 (23 ° C) for transfluthrin, 0.785 (25 ° C) for ethanol, 0.786 (20 ° C) for isopropyl alcohol, and 0.56 for liquefied petroleum gas (LPG) (20 ° C.).
  • compositions 1 to 6 shown in Table 1 For each of the compositions 1 to 6 shown in Table 1, pressure-resistant cans for aerosol (Compositions 1, 4 and 5: volume 142 mL, composition 2: volume 59 ml, composition 3: volume 287 mL, composition 6: volume 142 mL ) was filled with a stock solution which is a mixture of a pest control component and a solvent, and the pressure-resistant can was closed with an aerosol valve (stem (ST) pore diameter 1.0 mm ⁇ 0.7 mm). Subsequently, liquefied petroleum gas (0.34 MPa (25 ° C.)) was pressure-filled as a propellant.
  • liquefied petroleum gas (0.34 MPa (25 ° C.
  • the structure of the injection nozzle attached to the pressure resistant can, the amount of composition injected per injection (one injection amount), and the injected composition
  • the knockdown rates of the test insects in various combinations were measured with respect to the discharge amount of the pest control component contained in the material.
  • “Straight” represents an injection nozzle (not shown) having a single injection port opened in a direction along the straight line of the injection nozzle, and “horizontal” represents the lateral direction on the end face orthogonal to the straight line of the injection nozzle
  • an injection nozzle (not shown) having a groove extending in and having a single injection port at the bottom of the groove.
  • the total opening area of the openings 37b of the “X-type” injection nozzle is 2.3 mm 2
  • the total opening area of the openings 37 b of the “three-hole type” injection nozzle is 2.7 mm 2
  • “horizontal” the total opening area of the opening 37b of the injection nozzle is 0.5 mm 2
  • the total opening area of the opening 37b of the injection nozzle of the "straight-type” is 2.54 mm 2.
  • each of Examples 1 to 3 and Comparative Examples 1 to 7 is at the center of the test room (5.4 m long ⁇ 3.6 m wide ⁇ 2.4 m high).
  • the present invention is not limited to the above embodiments, and various modifications can be adopted within the scope of the present invention.
  • the present invention is not limited to the embodiments described above, and appropriate modifications, improvements, etc. are possible.
  • the material, shape, size, number, arrangement location, and the like of each component in the embodiment described above are arbitrary and not limited as long as the present invention can be achieved.
  • the nozzle 15 has a stepped cylindrical shape, but the nozzle 15 has a simple cylindrical shape having no step on the side surface over the entire area in the straight line Ax direction. It may be
  • all the openings 37b of the plurality of injection ports 37 are in the plane orthogonal to the straight line Ax. It is configured to be inclined with respect to it.
  • at least one of the openings 37b is orthogonal to the straight line Ax as long as at least one cluster CL of the aerosol composition can exist in each of the plurality of divided spaces. It may be configured to be inclined with respect to the surface.
  • a pest comprising a pest control agent containing a pest control component, a container (11) for containing the pest control agent, and a jet mechanism (12, 15, 16) for jetting a predetermined amount of the pest control agent from the container
  • a control quantitative injection device (10) The injection mechanism (12, 15, 16) It has a cylindrical injection part (15) provided with a plurality of injection ports (37) by which the pest control agent is injected, and one injection amount of the pest control agent injected from the plurality of injection ports Is configured to be capable of quantitative injection, which is a fixed amount in the range of 0.5 to 2.0 ml, A value obtained by equally dividing 360 ° by the same number of divisions as that of the plurality of injection ports is the size of the central angle around the straight line (Ax) including the central axis of the injection unit.
  • At least one opening (37b) of the plurality of injection ports (37) is configured to be inclined with respect to a plane orthogonal to the straight line (Ax).
  • An injection port (37a) corresponding to at least one of the plurality of injection ports (37) is configured to be inclined with respect to a plane orthogonal to the straight line (Ax). Fixed dose injection device for pest control.
  • the pest control quantitative injection device of the present invention is excellent in pest control effect on pests to be controlled.
  • the present invention having this effect can be used, for example, as a spray device that sprays an aerosol composition into a space where pest control is desired to continuously control pests in the space.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Insects & Arthropods (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Plant Pathology (AREA)
  • Toxicology (AREA)
  • Dentistry (AREA)
  • Mechanical Engineering (AREA)
  • Catching Or Destruction (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Nozzles (AREA)
PCT/JP2018/045546 2017-12-12 2018-12-11 害虫防除用定量噴射装置 WO2019117160A1 (ja)

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CN202310269240.0A CN116034974A (zh) 2017-12-12 2018-12-11 害虫防治用定量喷射装置
MYPI2020002943A MY196793A (en) 2017-12-12 2018-12-11 Fixed quantity injection device for pest control
CN201880080528.0A CN111511206B (zh) 2017-12-12 2018-12-11 害虫防治用定量喷射装置
JP2019559668A JP7157079B2 (ja) 2017-12-12 2018-12-11 害虫防除用定量噴射装置
PH12020550850A PH12020550850A1 (en) 2017-12-12 2020-06-09 Fixed quantity injection device for pest control
JP2022156334A JP7260707B2 (ja) 2017-12-12 2022-09-29 害虫防除用定量噴射装置

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JPWO2021157271A1 (enrdf_load_stackoverflow) * 2020-02-05 2021-08-12
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JP7712320B2 (ja) 2025-07-23
JP2023083339A (ja) 2023-06-15
JP2022186732A (ja) 2022-12-15
CN111511206A (zh) 2020-08-07
JPWO2019117160A1 (ja) 2020-12-03
MY196793A (en) 2023-05-03
JP7260707B2 (ja) 2023-04-18

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