Pest control products
The aerosol container with a rotating member addresses accidental discharge and adhesion issues by locking the spray opening, providing controlled and efficient pest control composition delivery.
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- SUMITOMO PHARMA CO LTD
- Filing Date
- 2024-11-22
- Publication Date
- 2026-06-03
AI Technical Summary
Existing aerosol-type pest control products face issues with accidental operation by children, leading to dangerous discharge of insecticidal components, and adhesion of contents to the container, which complicates maintaining a good spraying state.
Aerosol containers equipped with a rotating member that locks the spray opening when not in use, preventing accidental discharge and adhesion, featuring a rotating member that surrounds the spray nozzle and includes a pest control composition with C1-3 alcohols and C12-C22 fatty acid alkyl esters, along with optional pyrethroid and organophosphorus compounds.
Prevents accidental discharge and adhesion of the pest control composition, ensuring consistent and controlled spraying.
Smart Images

Figure 2026091128000001_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to a pest control product, and more particularly to a pest control product housed in a spray container provided with a rotating member that can be locked except during use.
Background Art
[0002] In an aerosol-type pest control product, a spray device is attached to the mouth of a container, the container houses the contents, and the spray device has an operating member that descends by a user's operation and a spray opening for discharging the contents in response to the operation. And during use, by pressing the operating member, the liquid pest control composition is ejected from the spray opening to the outside.
[0003] In such a product, due to children's mischief or accidental operation, the operating member may operate and the insecticidal component or pest control component may come out of the spray opening, which can be very dangerous.
[0004] Therefore, it is desirable to suppress the operation of the operating member except during use and keep the contents from coming out of the spray opening.
Summary of the Invention
Problems to be Solved by the Invention
[0005] For example, in the spray device of an aerosol product, it is possible to rotatably provide a rotating member on a non-rotating member and rotate the rotating member to lock or unlock it. That is, by turning the rotating member to the locked position, the spray opening can be closed and the operation of the operating member can be disabled, or by turning the rotating member to the unlocked position, the spray opening can be opened and the operation of the operating member can be enabled. However, in such a device, due to the thickness of the rotating member, a distance is created between the spray opening and the actual location where the contents come out, and the contents adhere to the members and the container, making it difficult to maintain a good spraying state.
[0006] The present invention aims to provide a pest control product that prevents the operation of an operating member (e.g., an actuator) from being suppressed when not in use, thereby preventing the contents from being dispensed from the spray nozzle, while also preventing or suppressing adhesion to the container. [Means for solving the problem]
[0007] In other words, the present invention relates to an aerosol container equipped with a spraying device in which a rotating member is externally contacted by an operating member having an operating member and a spray nozzle, and a product comprising a pest control composition contained in the container. Of these, the preferred embodiment may be the pest control product listed below. [1] An aerosol container equipped with an operating member and a spraying device including a spray nozzle, a liquid pest control composition contained in the container, and a pest control product containing the pest control composition and liquefied petroleum gas in the container, The container is equipped with a spraying device in which a rotating member is rotatably attached to an operating member having the spray nozzle. The insect control composition contains one or more components selected from the group consisting of C1-3 alcohols and C12-C22 fatty acid alkyl esters. The mass ratio of the pest control composition to the liquefied petroleum gas is 1:1 to 15. Products for pest control.
[0008] [2] The pest control product according to [1], wherein the pest control composition further comprises one or more selected from the group consisting of pyrethroid compounds, organophosphorus compounds, methoprene, pyriproxyfen, fipronil, amidoflumeth, and brofranilide.
[0009] [3] The pest control product according to [1], wherein the pest control composition comprises a combination of a C1-3 alcohol and a C12-C22 fatty acid alkyl ester.
[0010] [4] The pest control product according to any one of [1] to [3], wherein the ratio of the active ingredient to the solvent in the pest control composition is 1:0.1 to 1:10.
[0011] [5] The pest control product according to any one of [1] to [4], wherein the pest control composition contains ethyl alcohol, isopropanol and / or isopropyl myristate.
[0012] [6] The pest control product according to any one of [1] to [5], wherein the container is equipped with a quantitative valve.
[0013] [7] The pest control product according to any one of [1] to [6], wherein the rotating member is provided with an opening, the operating member can be operated by setting the rotating member to the unlocked position, and the opening surrounds the spray nozzle of the operating member and prevents the operating member from being operated by setting the rotating member to the locked position. [Effects of the Invention]
[0014] The present invention provides a pest control product that prevents the operation of the operating member from being suppressed when not in use, thus preventing the contents from being dispensed from the spray nozzle, while also preventing the contents from adhering to the container. [Brief explanation of the drawing]
[0015] [Figure 1] This is a cross-sectional view of a pest control product according to one embodiment of the present invention. [Figure 2] This is a perspective view of a pest control product according to one embodiment of the present invention. [Figure 3] This is a perspective view of a locked state of a pest control product according to one embodiment of the present invention. [Figure 4] This is a plan view of a pest control product according to one embodiment of the present invention. [Figure 5] This is a cross-sectional view of a spraying device in a pest control product according to one embodiment of the present invention. [Modes for carrying out the invention]
[0016] Hereinafter, embodiments of the pest control product of the present invention will be described in detail.
[0017] [Pest control product] In one non-limiting aspect of the present invention, the pest control product is shown in FIG. 1 as a cross-sectional view. The container 1 is a member that houses a mixture 2 of a liquid pest control composition and liquefied petroleum gas inside the pest control product of the present invention. Since the container 1 contains liquefied petroleum gas inside, it has pressure resistance so as not to break under a predetermined pressure, such as metals like aluminum alloy and tinplate, and synthetic resins having a predetermined thickness. In the present embodiment, the container 1 is a hollow bottomed cylindrical shape having an opening at the upper part. The opening at the upper part is sealed by a mounting cup 3. The stem 4 and the elastic spring 5 may be fixed to the mounting cup 3 by a housing. The stem 4 having a discharge hole inserted through the approximate center of the mounting cup 3 and capable of discharging the liquid pest control composition to the outside of the container 1 and a stem hole 41 communicating with the discharge hole and also communicating with the inside of the container 1, an elastic spring 5 that biases the stem 4 upward, a tube 6 inserted at the lower part of the mounting cup 3 and guiding the liquid pest control composition to the stem 4, and an operation member 7 provided at the upper part of the stem 4 and having an application port 71 communicating with the discharge hole of the stem 4, etc. are configured. Further, a rotating member 8 and a fixing member 9 are provided. Also, when it is a metering valve, a sealing material 42 is provided.
[0018] As one embodiment, the aerosol product of the present invention, as shown in FIGS. 1 to 3, in addition to the outer container 1, the mixture 2 of the pest control composition and liquefied petroleum gas, the mounting cup 3, the stem 4, the elastic spring 5, the tube 6, and the operation member (actuator) 7, includes a rotating member 8 and a fixing member 9. When the actuator 7 is pressed, the elastic spring 5 is pressed against the biasing force and the stem 4 is also pressed, so that the stem hole 41 communicates with the inside of the outer container 1, and the mixture 2 of the pest control composition and liquefied petroleum gas is discharged to the outside from the spray port 71 of the actuator 7 through the tube 6 and the stem 4. When having the sealing material 42, the storage of the mixture 2 is restricted by the action of the sealing material, so the discharge amount in one press is maintained at a constant amount.
[0019] In the aerosol product of this embodiment, the spray port 71 can be opened during use. Typically, a part of the rotating member 8 surrounds the spray port 71 and an opening 81 larger than the spray port 71 is provided, and during use, the spray port 71 can be fixed at a position surrounded by the opening 81 (FIGS. 2 and 4). The shape of the opening 81 is not limited and may be any of circular, elliptical, triangular, quadrangular, or polygonal. In a situation where it is not in use, the rotating member 8 is rotated so as to completely close the spray port, and further, for example, it is possible to prevent the operating member (actuator) from being pressed by the action of a stopper provided on the fixing member 9 (FIG. 3). FIG. 5 shows a cross section of a spray device provided with such a mechanism.
[0020] The diameter of the spray port 71 is preferably 0.1 to 1 mm, and more preferably 0.5 to 0.9 mm. When the diameter of the spray port 71 is within this range, the mixture 2 of the pest control composition and liquefied petroleum gas is smoothly discharged together with the liquefied petroleum gas, and the mixture 2 of the pest control composition and liquefied petroleum gas can be evenly adhered to an adherent such as the user's body or the object, or the mixture 2 of the pest control composition and liquefied petroleum gas can be efficiently sprayed into the space.
[0021] When the opening 81 is circular, the inner diameter of the opening 81 is preferably about 4 to 20 mm, and more preferably about 5 to 10 mm. When the opening is elliptical, the minor axis is preferably about 2 to 10 mm, and more preferably about 2 to 8 mm. When the opening is elliptical, the major axis is preferably about 5 to 20 mm, and more preferably about 6 to 18 mm. Including other shapes, the area of the opening is preferably about 30 to 700 mm 2 about, and more preferably about 35 to 500 mm 2 about.
[0022] The thickness of the rotating member is not limited, but can be about 2 to 15 mm, 3 to 10 mm, or 4 to 8 mm. The inner diameter of the rotating member can be approximately 12-35 mm, 15-30 mm, or 16-25 mm.
[0023] In one embodiment of the pest control product of the present invention, the material of the stem 4 and housing used for the valve is preferably at least one selected from polyimide, polyacetal, and polybutylene terephthalate, with polyacetal and polybutylene terephthalate being more preferred.
[0024] In one embodiment of the pest control product of the present invention, the material of the packing and stem rubber used in the valve is preferably at least one selected from butylene rubber, nitrile rubber, styrene-butadiene rubber, hydrogenated nitrile rubber, and olefin-based elastomer, with nitrile rubber being more preferred.
[0025] In one embodiment of the pest control product of the present invention, the material of the elastic spring used in the valve is preferably SUS304.
[0026] In one embodiment of the pest control product of the present invention, the material of the pipe used for the valve is preferably at least one selected from low-density polyethylene and polypropylene, and low-density polyethylene is more preferred.
[0027] The liquefied petroleum gas of the present invention is filled into the container 1 together with a liquid pest control composition.
[0028] The liquefied petroleum gas filled in container 1 together with the liquid pest control composition is preferably 50% to 90% by mass, and more preferably 55% to 85% by mass, when the total amount of the liquid pest control composition and liquefied petroleum gas is considered to be 100% by mass.
[0029] The mass ratio of the pest control composition to liquefied petroleum gas is 1:1 to 15, preferably 1:1.1 to 10, and more preferably 1:1.2 to 7.
[0030] The pest control product of the present invention, manufactured in this manner, preferably has a total volume of 2 to 1000 ml, more preferably 3 to 600 ml, and further preferably a weight of 6 to 800 g, although it can also be 10 to 700 g or 50 to 500 g. When the pest control product of the present invention falls within these ranges, it can be carried and moved by the user, and is particularly portable.
[0031] (Liquid insecticide composition) The liquid pest control composition contained in the pest control product of the present invention is a liquid composition contained in a container, and more specifically, is liquid at room temperature of 20 to 30°C.
[0032] The pest control composition of the present invention contains a component selected from the group consisting of C1-3 alcohols and C12-C22 fatty acid alkyl esters.
[0033] The pest control composition of the present invention may be a combination of a C1-3 alcohol and a C12-C22 fatty acid alkyl ester.
[0034] Examples of C1-3 alcohols (lower alcohols) include lower alcohols having 2 to 3 carbon atoms, and may be one or more selected from the group consisting of ethanol, isopropanol, and propanol. From the viewpoint of better exhibiting the effects of the present invention, isopropanol or ethanol is preferred.
[0035] A fatty acid alkyl ester with 12 to 22 carbon atoms refers to a compound in which the total number of carbon atoms is 12 to 22. Of these, fatty acid alkyl esters with 16 to 22 carbon atoms are particularly preferred. Examples include alkyl laurate, alkyl palmitate, alkyl stearate, or alkyl myristate.
[0036] The C1-3 alcohol content in the pest control composition can be 0% by mass, 1% by mass, or 5-95% by mass. 7-90% by mass is more preferable. The ethanol content can be 0% by mass, 10-95% by mass, or 20-90% by mass. In certain embodiments, 40-70% by mass is particularly preferable.
[0037] The C1-3 alcohol content in the total amount of liquid pest control composition and liquefied petroleum gas can be approximately 0 w / v%, 1 w / v%, preferably 5-15 w / v%, and more preferably 7-10 w / v%. The ethanol content can also be approximately 0 w / v%, 5-15 w / v%, or 7-10 w / v%. In certain embodiments, it can be approximately 9 w / v%.
[0038] The content of C12-C22 fatty acid alkyl esters in the pest control composition can be 0-100% by mass. Preferably, it is about 10-90% by mass, and more preferably 20-80% by mass.
[0039] The content of C12-C22 fatty acid alkyl esters in the total amount of the pest control composition and liquefied petroleum gas is preferably about 1.0 w / v% to 30 w / v%, and more preferably about 3.0 w / v% to 15 w / v%. In certain embodiments, it can also be about 7.5 w / v%.
[0040] Furthermore, the pest control composition of the present invention may contain one or more compounds selected from the group consisting of pyrethroid compounds, organophosphorus compounds, methoprene, pyriproxyfen, fipronil, amidoflumeth, and brofranilide.
[0041] Pyrethroid compounds may be substances selected from the group consisting of pyrethrum extract, natural pyrethrin, prallethrin, imiprothrin, phthalthrin, allethrin, bifenthrin, resmethrin, phenothrin, cyphenothrin, permethrin, cypermethrin, etofenprox, cyfluthrin, deltamethrin, bifenthrin, fenvalerate, fenpropathrin, empenthrin, silafluofen, transfluthrin, metofluthrin, and profluthrin.
[0042] The organophosphorus compound may be a substance selected from the group consisting of fenitrothion, dichlorvos, chlorpyrifos-methyl, diazinon, and fenthion.
[0043] The content of one or more compounds selected from the group consisting of pyrethroid compounds, organophosphorus compounds, methoprene, pyriproxyfen, fipronil, amidoflumet, and brofuranilide in the insecticide composition can be 0 to 100% by mass. Preferably, it is about 10 to 90% by mass, and more preferably 20 to 80% by mass.
[0044] The content of one or more compounds selected from the group consisting of pyrethroid compounds, organophosphorus compounds, methoprene, pyriproxyfen, fipronil, amidoflumet, and brofranilide in the total amount of the pest control composition and liquefied petroleum gas is preferably about 1.0 w / v% to 30 w / v%, and more preferably about 3.0 w / v% to 15 w / v%. In certain embodiments, it may also be about 5 to 7.5 w / v%.
[0045] The pest control composition of the present invention may, for example, be a composition comprising, as a first component, a solvent such as a lower alcohol or isopropyl myristate (IPM), and as a second component, one or more selected from the group consisting of pyrethroid compounds, organophosphorus compounds, methoprene, pyriproxyfen, fipronil, amidoflumeth, and brofuranilide, or an active ingredient such as a linear C1-4 alkyl ester of stearic acid and / or a C1-2 alkyl ester of myristic acid.
[0046] Examples of the pest control composition of the present invention include, for example, A combination of a lower alcohol and a linear C1-4 alkyl ester of stearic acid and / or a C1-2 alkyl ester of myristic acid; A combination of isopropyl myristate and a linear C1-4 alkyl ester of stearic acid and / or a C1-2 alkyl ester of myristic acid; A combination of a lower alcohol and one or more compounds selected from the group consisting of pyrethroid compounds, organophosphorus compounds, methoprene, pyriproxyfen, fipronil, amidoflumet, and brofranilide; Isopropyl myristate and one or more compounds selected from the group consisting of pyrethroid compounds, organophosphorus compounds, methoprene, pyriproxyfen, fipronil, amidoflumet, and brofuranilide; One or more compounds selected from the group consisting of pyrethroid compounds, organophosphorus compounds, methoprene, pyriproxyfen, fipronil, amidoflumet, and brofuranilide; or Alkyl esters of fatty acids with 12 to 22 carbon atoms It can include...
[0047] More specific preferred examples of the above include ethanol and transfluthrin, isopropyl myristate and transfluthrin, isopropanol and transfluthrin, ethanol and butyl stearate, or combinations of isopropanol and butyl stearate.
[0048] The ratio of active ingredient to solvent in a pest control composition may be approximately 1:0.1 to 1:10. In some cases, it is also possible to use a composition consisting only of the active ingredient.
[0049] For example, when using C12-22 fatty acid alkyl esters as the active ingredient, the component serves as both the active ingredient and the solvent, and the pest control composition can consist solely of the active ingredient, or it can be a composition that includes small amounts of fragrance, coloring agents, allergy-reducing agents, etc., in addition to the active ingredient.
[0050] The liquid insecticide composition of the present invention may also contain, for example, fragrances, antioxidants, or allergen reducing agents.
[0051] However, it is preferable that the liquid insecticide composition of the present invention does not contain or substantially contains hydrocarbons having 15 or fewer carbon atoms. In particular, it is preferable that the liquid insecticide composition of the present invention does not contain or substantially contains kerosene. Here, substantially containing means that the content of the component relative to the total amount of the composition is 10% by mass or less, 5% by mass or less, 1% by mass or less, 0.1% by mass or less, and more preferably 0.01% by mass or less.
[0052] (viscosity) The viscosity of the liquid pest control composition of the present invention is preferably about 0 to 1000 mPa·s and about 0.5 to 800 mPa·s from the viewpoint of component stability and the like. Viscosity is measured at 25°C, using a SPINDLE No. M4 and a rotation speed of 12 rpm for 3 minutes. [Examples]
[0053] The pest control products of the present invention will be described in detail below. However, the present invention is not limited to the following examples.
[0054] First, 50 g of butyl stearate was mixed with ethanol, IPM, or kerosene to prepare a 100 ml solution. This solution was used as the stock solution and mixed with liquefied gas in the proportions shown in Tables 1 to 4 to fill each container with the liquid pest control composition. The container in the reference example is an aerosol-type pest control product equipped with a mounting cup 3, stem 4, and actuator 7, and does not have a rotating member or a fixed member. The containers in the examples and comparative examples are aerosol-type pest control products as shown in Figure 1, equipped with a mounting cup 3, stem 4, actuator 7, rotating member 8, and a fixed member 9. The inner diameter of the spray nozzle is as shown in the table, and the size of the container, the thickness of the rotating member, and the opening in the rotating member are elliptical with a minor axis of 6 mm, a major axis of 9 mm, and an area of approximately 170 mm². 2 It is equipped with a metered spraying device, and the product sprays 0.4cc with a single press.
[0055] Similarly, 33.3 g of transfluthrin was mixed with ethanol, IPM, or kerosene to prepare a 100 ml solution. This solution was used as the stock solution and mixed with liquefied gas in the proportions shown in Tables 5 to 8 to fill each container with the liquid pest control composition. The containers in the products shown in Tables 1 and 5 of the Reference Examples are aerosol-type pest control products equipped with a mounting cup 3, stem 4, and actuator 7, and do not have a rotating member or a fixed member. The containers in the products of the Examples and Comparative Examples are aerosol-type pest control products as shown in Figure 1, equipped with a mounting cup 3, stem 4, actuator 7, rotating member 8, and a fixed member 9. The inner diameter of the spray nozzle is as shown in each table, and the container size and the thickness of the rotating member are as follows. The product is equipped with a metered spraying device and sprays 0.2 cc with one press. The container (aluminum can) size was 85 mm in height and 35 mm in diameter.
[0056] (Test Example 3: Adhesion Test) The mass of each product was measured. For each example and comparative example, the actuator of the pest control product was pressed, and after one spray, the mass of the product was measured again. The amount that was properly sprayed outside the system and did not adhere to the container was defined as the spray volume based on the difference in mass. The amount that adhered to the container was calculated from the difference in mass, and the adhesion percentage (%) was calculated by setting the amount that could be sprayed by the metering device (the amount corresponding to each example) as 100. [Evaluation Criteria] Adhesion rate (%) is less than 2.0% by mass. Adhesion rate (%) is 2.0% by mass or more ×
[0057] [Table 1]
[0058] [Table 2]
[0059] [Table 3]
[0060] [Table 4]
[0061] [Table 5]
[0062] [Table 6]
[0063] [Table 7]
[0064] [Table 8]
[0065] As a result, it was confirmed that the spraying state of the contents and the degree of adhesion of the contents to the container varied greatly depending on the proportion of liquefied petroleum gas in the mixture of the pest control composition and liquefied petroleum gas. Furthermore, it was found that the adhesion rate increased with the use of kerosene. [Explanation of symbols]
[0066] 1...container 2. A mixture of a liquid pest control composition and liquefied gas. 3. Mounting Cup 4. Stem 41... Stem hole 42. Seal material 5. Elastic spring 6... Tubes 7. Actuator 71...Spray nozzle 72...junction 8. Rotating member 81...Opening 9. Fixing components
Claims
1. An aerosol container equipped with a spraying device including an operating member and a spray nozzle, a liquid insecticide composition contained in the container, and an insecticide product containing the insecticide composition and liquefied petroleum gas in the container, The container is equipped with a spraying device in which a rotating member is rotatably attached to an operating member having the spray nozzle. The insect control composition contains one or more components selected from the group consisting of C1-3 alcohols and C12-C22 fatty acid alkyl esters. The mass ratio of the pest control composition to the liquefied petroleum gas is 1:1 to 15. Products for pest control.
2. The pest control product according to claim 1, wherein the aforementioned pest control composition further comprises one or more selected from the group consisting of pyrethroid compounds, organophosphorus compounds, methoprene, pyriproxyfen, fipronil, amidoflumeth, and brofranilide.
3. The pest control product according to claim 1, wherein the pest control composition comprises a combination of a C1-3 alcohol and a C12-C22 fatty acid alkyl ester.
4. The pest control product according to claim 1, wherein the pest control composition contains ethyl alcohol, isopropanol, and / or isopropyl myristate.
5. The pest control product according to claim 1, wherein the container is equipped with a quantitative valve.
6. The pest control product according to claim 1, wherein the rotating member is provided with an opening, the operating member can be operated by setting the rotating member to the unlocked position, and the operating member cannot be operated by setting the rotating member to the locked position, the opening surrounds the spray nozzle of the operating member.