CN114599226B - Quantitative spray aerosol for space treatment - Google Patents
Quantitative spray aerosol for space treatment Download PDFInfo
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- CN114599226B CN114599226B CN202080073930.3A CN202080073930A CN114599226B CN 114599226 B CN114599226 B CN 114599226B CN 202080073930 A CN202080073930 A CN 202080073930A CN 114599226 B CN114599226 B CN 114599226B
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- aerosol
- quantitative
- pressure
- spray
- injection
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- VPRAQYXPZIFIOH-UHFFFAOYSA-N imiprothrin Chemical compound CC1(C)C(C=C(C)C)C1C(=O)OCN1C(=O)N(CC#C)CC1=O VPRAQYXPZIFIOH-UHFFFAOYSA-N 0.000 description 1
- 230000000749 insecticidal effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000010656 jasmine oil Substances 0.000 description 1
- 239000005453 ketone based solvent Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 239000000171 lavandula angustifolia l. flower oil Substances 0.000 description 1
- 239000010501 lemon oil Substances 0.000 description 1
- 235000001510 limonene Nutrition 0.000 description 1
- 229940087305 limonene Drugs 0.000 description 1
- 229930007744 linalool Natural products 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 239000001525 mentha piperita l. herb oil Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001272 nitrous oxide Substances 0.000 description 1
- 239000010502 orange oil Substances 0.000 description 1
- 150000002903 organophosphorus compounds Chemical class 0.000 description 1
- 235000010292 orthophenyl phenol Nutrition 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 235000019477 peppermint oil Nutrition 0.000 description 1
- 239000008177 pharmaceutical agent Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000003405 preventing effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- TVLSRXXIMLFWEO-UHFFFAOYSA-N prochloraz Chemical compound C1=CN=CN1C(=O)N(CCC)CCOC1=C(Cl)C=C(Cl)C=C1Cl TVLSRXXIMLFWEO-UHFFFAOYSA-N 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229960002135 sulfadimidine Drugs 0.000 description 1
- ASWVTGNCAZCNNR-UHFFFAOYSA-N sulfamethazine Chemical compound CC1=CC(C)=NC(NS(=O)(=O)C=2C=CC(N)=CC=2)=N1 ASWVTGNCAZCNNR-UHFFFAOYSA-N 0.000 description 1
- 235000013616 tea Nutrition 0.000 description 1
- WJCNZQLZVWNLKY-UHFFFAOYSA-N thiabendazole Chemical compound S1C=NC(C=2NC3=CC=CC=C3N=2)=C1 WJCNZQLZVWNLKY-UHFFFAOYSA-N 0.000 description 1
- KYMBYSLLVAOCFI-UHFFFAOYSA-N thiamine Chemical compound CC1=C(CCO)SCN1CC1=CN=C(C)N=C1N KYMBYSLLVAOCFI-UHFFFAOYSA-N 0.000 description 1
- 229960003495 thiamine Drugs 0.000 description 1
- 235000019157 thiamine Nutrition 0.000 description 1
- 239000011721 thiamine Substances 0.000 description 1
- 239000000341 volatile oil Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
- 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
- A01M7/005—Special arrangements or adaptations of the spraying or distributing parts, e.g. adaptations or mounting of the spray booms, mounting of the nozzles, protection shields
- A01M7/006—Mounting of the nozzles
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/16—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means
- B65D83/20—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means operated by manual action, e.g. button-type actuator or actuator caps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/28—Nozzles, nozzle fittings or accessories specially adapted therefor
- B65D83/30—Nozzles, nozzle fittings or accessories specially adapted therefor for guiding the flow of spray, e.g. funnels, hoods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/32—Dip-tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/44—Valves specially adapted therefor; Regulating devices
- B65D83/52—Valves specially adapted therefor; Regulating devices for metering
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Zoology (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
- Insects & Arthropods (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Nozzles (AREA)
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
- Catching Or Destruction (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Colloid Chemistry (AREA)
Abstract
The present invention provides a quantitative spray aerosol for space treatment, which takes pests, particularly creeping pests or house dust mites as a control object, can uniformly diffuse the medicament in the space treatment method, and can inhibit the occurrence of poor spray. The quantitative jetting aerosol (100) for space treatment of the present invention comprises: a pressure-resistant container (10) provided with a quantitative injection valve (12) and containing a control component-containing aerosol collagen liquid and an injection agent, an actuator (20) provided with an injection port (21), and a dip tube (30), wherein the tip (30 a) of the dip tube (30) is positioned at a height of 6mm or less from the lowermost part (B) of the pressure-resistant container (10), and when the pressure-resistant container (10) is placed on a horizontal plane (H), the injection axis (O) of the injection port (21) is at an elevation angle (D) of 10 DEG to 60 DEG with respect to the horizontal plane (H).
Description
Technical Field
The present invention relates to a quantitative injection aerosol for space treatment, which comprises a pressure-resistant container provided with a quantitative injection valve, an actuator provided with an injection port connected with the quantitative injection valve, and a dip tube.
Background
Quantitative injection aerosols that can spray a certain amount of a pharmaceutical agent by one injection are classified as: a quantitative spray aerosol for coating which is locally processed in a gap or the like, a quantitative spray aerosol for direct impact which is processed by direct impact on an object, a quantitative spray aerosol for space processing which spreads a chemical in a space, and the like.
For example, there are known: a quantitative spray aerosol for space treatment which is effective not only for creeping pests and house dust mites but also for flying pests on the same day as spraying (see patent document 1). The present inventors have studied various methods for improving the injection efficiency and efficacy of a chemical based on the recognition that a quantitative injection aerosol for space treatment is effective in simply and conveniently treating the entire room with the chemical. As a result, the obtained findings were: the quantitative spray aerosol for space treatment can improve the diffusibility of the chemical by spraying the chemical obliquely upward with respect to the horizontal plane.
Prior art literature
Patent literature
Patent document 1: japanese patent No. 5517122
Disclosure of Invention
Problems to be solved by the invention
The following methods of use are known: the aerosol can is sprayed obliquely upward with respect to the horizontal plane so that the spraying axis of the spraying port is obliquely upward with respect to the horizontal plane, using a quantitative aerosol for spatial processing having an actuator provided with the spraying port oriented in (1) the horizontal direction or (2) the obliquely upward direction.
However, in the conventional product, there is a case where ejection failure occurs in such a use method. Patent document 1 does not recognize that there is a problem of occurrence of ejection failure due to ejection obliquely upward, and therefore countermeasures against such a problem are not mentioned.
The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a quantitative spray aerosol for spatial treatment, which is capable of uniformly dispersing a chemical agent in a spatial treatment method and suppressing occurrence of a spray failure, by using a pest, particularly a creeping pest or an indoor dust mite as a control target.
Means for solving the problems
The quantitative spray aerosol for spatial processing according to the present invention for solving the above problems is characterized in that,
a quantitative spray aerosol for space treatment, comprising: a pressure-resistant container provided with a quantitative injection valve, wherein the pressure-resistant container is filled with an aerosol collagen liquid containing a control component and an injection agent; an actuator provided with an injection port connected to the quantitative injection valve; and a dip tube (dip tube) for supplying the aerosol collagen liquid and the propellant to the quantitative injection valve,
the front end of the dip tube is located at a height of 6mm or less from the lowermost portion of the pressure-resistant container, and
when the pressure-resistant container is placed on a horizontal plane, the ejection axis of the ejection port is at an elevation angle of 10 DEG to 60 DEG with respect to the horizontal plane.
The present inventors have made various studies on the spray direction of a quantitative spray aerosol for space treatment, and as a result, have obtained the following findings: when the chemical is sprayed on the horizontal plane, particularly, in the vicinity of 30 ° to 60 ° obliquely upward, the chemical spreads uniformly in the treatment space, and the treatment can be efficiently performed.
According to the quantitative spray aerosol for spatial treatment of the present invention, the tip of the dip tube of the quantitative spray aerosol for spatial treatment is positioned at a height of 6mm or less from the lowermost portion of the pressure-resistant container, and when the pressure-resistant container is placed on a horizontal surface, the spray axis of the spray orifice is at an elevation angle of 10 ° to 60 ° with respect to the horizontal surface, whereby the occurrence of spray failure can be suppressed when spraying a control component suitable for controlling pests such that the spray axis of the spray orifice is at 30 ° to 60 ° with respect to the horizontal surface. In this case, even when the pressure-resistant container is sprayed obliquely slightly with respect to the horizontal plane, the distal end of the dip tube is positioned at a height of 6mm or less from the lowermost portion of the pressure-resistant container, so that the aerosol collagen liquid and the propellant can be reliably supplied to the quantitative spray valve, and the spray state can be maintained well.
In the quantitative spray aerosol for space treatment of the present invention,
the control component preferably contains a vapor pressure of less than 1X 10 at 30 DEG C -4 A nonvolatile control component of mmHg.
The quantitative spray aerosol for space treatment of the present invention can be suitably used for controlling creeping pests and house dust mites.
In the quantitative spray aerosol for space treatment of the present invention,
The control component preferably contains a vapor pressure of 2X 10 at 30 DEG C -4 ～1×10 -2 Volatile control components of mmHg.
The quantitative spray aerosol for space treatment of the present invention is suitable for controlling flying insects, and can also control creeping insects and house dust mites.
In the quantitative spray aerosol for space treatment of the present invention,
the control component preferably contains a vapor pressure of less than 1X 10 at 30 DEG C -4 The vapor pressure at 30 ℃ of the nonvolatile control component of mmHg was 2X 10 -4 ～1×10 -2 Volatile control components of mmHg.
According to the quantitative spray aerosol for space treatment of the constitution, flying pests and creeping pests can be prevented and removed at the same time, and dust mites in houses can be prevented and removed.
In the quantitative spray aerosol for space treatment of the present invention,
the injection axis of the injection port preferably has an elevation angle of 15 DEG to 50 DEG with respect to the horizontal plane.
According to the quantitative spray aerosol for space treatment of the present invention, the spray axis of the spray orifice of the quantitative spray aerosol for space treatment is set at an elevation angle of 15 ° to 50 ° with respect to the horizontal plane, so that even when the spray axis of the spray orifice is sprayed at an angle of 30 ° to 60 ° with respect to the horizontal plane, the inclination angle of the pressure-resistant container can be suppressed, and thus occurrence of defective spray can be suppressed, and a stable spray state can be maintained.
In the quantitative spray aerosol for space treatment of the present invention,
the front end of the dip tube is preferably located at a height of 3mm or less from the lowermost portion of the pressure vessel.
According to the quantitative spray aerosol for space treatment of the present invention, the distal end of the dip tube is positioned at a height of 3mm or less from the lowermost portion of the pressure-resistant container, so that even when the pressure-resistant container is sprayed obliquely slightly with respect to the horizontal plane, the aerosol collagen liquid and the propellant can be reliably supplied to the quantitative spray valve, and occurrence of defective spraying can be suppressed.
In the quantitative spray aerosol for space treatment of the present invention,
the ejection force of the ejection distance of 5cm is preferably set to 5 to 50gf.
According to the quantitative spray aerosol for space treatment of the present configuration, the spray force of 5cm is set to 5 to 50gf, whereby the sprayed aerosol stock solution uniformly settles and adheres to the exposed surface (for example, the floor surface, wall surface, surface of a structure such as furniture, etc. existing in the treatment space) in the treatment space, especially the entire floor surface, and thereby a practically sufficient control effect can be exerted on flying insects, creeping insects, and house dust mites.
In the quantitative spray aerosol for space treatment of the present invention,
The dip tube is preferably formed in a bendable manner inside the pressure-resistant container.
According to the quantitative aerosol for space treatment of the present invention, the dip tube is formed in a bendable manner inside the pressure-resistant container, and therefore, by appropriately bending the dip tube, the tip end thereof can be easily disposed at an appropriate position inside the pressure-resistant container.
Brief description of the drawings
FIG. 1 is a cross-sectional view of a quantitative spray aerosol for spatial processing according to the present invention.
Fig. 2 is an explanatory diagram showing (a) the elevation angle of the ejection port (ejection axis) and (b) the ejection direction of the quantitative aerosol for spatial processing.
Fig. 3 is an enlarged cross-sectional view of the front end of a dip tube for spatially treating a metered dose of aerosol.
Detailed Description
Hereinafter, the quantitative aerosol for spatial processing according to the present invention will be described. However, the present invention is not intended to be limited to the configurations and examples described in the embodiments described below.
Fig. 1 is a cross-sectional view of a quantitative spray aerosol 100 for spatial processing according to the present invention. The quantitative ejection aerosol 100 for spatial processing comprises: a pressure-resistant container 10 having a quantitative injection valve 12, in which a control component-containing aerosol collagen liquid and an injection agent are enclosed; an actuator 20 provided with an injection port 21 connected to the metering injection valve 12; and a dip tube 30 for supplying an aerosol collagen liquid and a propellant to the quantitative injection valve 12, which is used for controlling flying insects such as mosquitoes and flies, creeping insects such as cockroaches, and insects such as house dust mites depending on space treatment.
[ pressure vessel ]
The pressure vessel 10 includes a storage unit 11 for storing the aerosol collagen liquid and the propellant, and a quantitative injection valve 12 attached to the mouth of the storage unit 11. The storage portion 11 is formed in a bottomed cylindrical shape or a substantially bottomed cylindrical shape, and is formed of a resin such as polyethylene terephthalate, or a metal such as aluminum or tin. The appearance of the storage portion 11 may be transparent, translucent or opaque. The shape of the bottom may be a straight shape, such as a flat shape, a concave shape, and a five-petal shape. A mark for a user to recognize that the dip tube 30 is bent and that the opposite side to the direction in which the distal end 30a is directed is the front surface is preferably provided on the outer side surface of the storage portion 11. For example, by printing a mark or the like indicating the front direction F at the position of the outer surface P of the storage portion 11, the user can recognize that the dip tube 30 is bent and the opposite side to the direction in which the front end 30a is directed is the front. The mark indicating the front direction F may be, for example, a letter or a pattern, and if the mark is a pattern matching a pattern or the like printed on the actuator 20 when the ejection port 21 faces the front direction F, the user can recognize the front direction F without impairing the design. Here, the front direction F is a direction in which the injection port 21 is preferably oriented in use, and is a direction opposite to a bending direction of the dip tube 30 described later. By orienting the injection port 21 in the front direction F indicated by the symbol P, even in a state where the amount of the sealed material is small in the later stage of use of the quantitative aerosol 100 for spatial processing, if the pressure-resistant container 10 is tilted slightly obliquely upward with respect to the horizontal plane H, the aerosol stock solution and the propellant can be accumulated near the tip 30a of the dip tube 30. As a result, when the aerosol 100 is quantitatively injected for space treatment, the aerosol liquid and the propellant are favorably sucked up through the dip tube 30, and occurrence of defective injection can be suppressed. The term "poor ejection" as used herein means that: the capacity of the actual injection by 1 operation of the actuator 20 is less than 85% of the injection capacity of the metering jet valve 12. When the storage portion 11 is made of transparent or translucent resin, it is preferable to further print a horizontal mark such as a stripe on the storage portion 11. The horizontal mark is provided to prevent excessive inclination such as ejection failure when the aerosol 100 is ejected in a fixed amount for spatial processing. If such a level display is provided, the user can use the quantitative aerosol 100 for spatial processing in an appropriate posture because the user psychologically wants to match the liquid surface of the aerosol stock solution in the storage unit 11 with the level mark.
The metering jet valve 12 is attached to the mouth of the reservoir 11, and is connected to the actuator 20 outside the pressure-resistant container 10, and is connected to the dip tube 30 inside the pressure-resistant container 10. The metering jet valve 12 has a valve mechanism, not shown, and is set to have a normal injection capacity of 0.2 to 5.0mL per 1 injection.
(actuator)
The actuator 20 is an operation portion for injecting the aerosol stock solution, and an injection port 21 connected to the quantitative injection valve 12 and injecting the aerosol stock solution from the pressure-resistant container 10 to the outside is provided in the actuator 20. Here, the angle of the injection port 21 will be described. Fig. 2 is an explanatory diagram showing (a) an elevation angle of an ejection port (ejection axis) and (b) an ejection direction of the quantitative ejection aerosol 100 for spatial processing. In the present invention, the angle of the ejection axis O of the ejection port with respect to the horizontal plane H when the pressure-resistant container 10 is placed on the horizontal plane H is defined as an elevation angle D (fig. 2 (a)), and the angle of the ejection axis O of the ejection port with respect to the horizontal plane H when the aerosol 100 is actually ejected in a fixed amount for handling the space to eject the aerosol collagen liquid into the space is defined as an ejection direction angle E (fig. 2 (b)). Therefore, the elevation angle D is basically an angle unique to the quantitative ejection aerosol 100 for spatial processing, and the ejection direction angle E is an angle that varies with the ejection posture. In the present invention, when the pressure vessel 10 is placed on the horizontal plane H, the elevation angle D of the injection axis O with respect to the horizontal plane H is set to 10 ° to 60 °, preferably 15 ° to 50 °. When the elevation angle D is 10 ° to 60 °, the aerosol stock solution can be easily injected toward the vicinity of 30 ° to 60 ° obliquely upward (that is, the injection direction angle E is set to 30 ° to 60 °). If the elevation angle D is smaller than 10 °, the pressure vessel 10 must be excessively inclined in order to spray the aerosol raw liquid obliquely upward by 30 ° to 60 ° in the vicinity of the horizontal plane H, and thus, when the pressure vessel 10 is excessively inclined and sprayed, there is a concern that a spraying failure occurs. If the elevation angle D exceeds 60 °, the aerosol stock solution to be injected may adhere to a finger or the like operating the actuator 20. In fig. 2, an example is shown: (a) The space treatment quantitative spray aerosol 100 with the elevation angle D set to 60 degrees; and (b) a state in which the quantitative spray aerosol 100 for spatial processing is inclined downward by 15 ° and the spray direction angle E is set to 45 °.
The number, shape, and size of the ejection openings 21 are not particularly limited. The number of the ejection openings 21 may be 1 or 2 or more, but from the viewpoint of easy and low cost production, the number of the ejection openings 21 is preferably 1. The vertical bisector of a line segment connecting the centers of the injection ports 21 is defined as an injection axis O for a nozzle or actuator having 2 injection ports, and the injection axis O of the injection port 21 is defined as follows for a nozzle or actuator having 3 or more injection ports. Regarding the case where the ejection port 21 is present in the center of the ejection portion of the nozzle or the actuator, an orthogonal line passing through the center of the ejection port 21 in the center thereof is defined as the ejection axis O. Regarding the case where the ejection port 21 is not present in the center of the ejection portion of the nozzle or the actuator, an orthogonal line passing through the center of the circumscribed circle of the polygon connecting the centers of the ejection ports 21 is defined as the ejection axis O.
The shape (cross-sectional shape) of the ejection port 21 may be various irregular shapes other than a circle, an ellipse, a polygon, or the like. The opening area of the jet opening 21 is preferably 0.05 to 8.0mm 2 More preferably 0.1 to 4.0mm 2 More preferably 0.2 to 3.0mm 2 . For example, the injection ports 21When the number is 1 and the shape of the ejection port 21 is circular, the size (nozzle diameter) of the ejection port 21 is preferably 0.3mm or more, more preferably 0.4mm or more, and even more preferably 0.6mm or more. The nozzle diameter is preferably 3.0mm or less, more preferably 2.0mm or less, and even more preferably 1.8mm or less.
The actuator 20 may or may not have a nozzle. In the case of a nozzle, it may be provided with a protruding nozzle or with an unobtrusive nozzle, but preferably with a protruding nozzle. In the case of an actuator with a nozzle, the nozzle length is not particularly limited, but is preferably 2.0 to 80mm, more preferably 3.0 to 70mm, and particularly preferably 4.0 to 60mm. The operating buttons in the actuator 20 may be push-down or trigger type buttons.
(dip tube)
The dip tube 30 is a hollow member made of a resin such as polyethylene or polypropylene attached to the metering jet valve 12, and supplies the aerosol stock solution and the propellant sealed in the pressure-resistant container 10 to the metering jet valve 12 when the metering jet valve 12 is operated. The dip tube 30 itself has a linear shape, but can be bent when it is attached to the metering jet valve 12 and inserted into the pressure-resistant container 10. Therefore, by appropriately bending the dip tube, the front end 30a thereof can be easily disposed at an appropriate position within the pressure-resistant container 10. The tip 30a of the dip tube 30 is attached to the metering jet valve 12 so that the height h from the lowermost portion B of the pressure vessel 10 is 6mm or less, preferably 3mm or less. Here, the lowermost portion B of the pressure vessel 10 is a portion closest to the horizontal plane H of the inner surface of the pressure vessel 10 when the pressure vessel 10 is placed on the horizontal plane H. As shown in fig. 1, when the bottom surface of the pressure-resistant container 10 is dome-shaped, the aerosol-generating liquid in the pressure-resistant container 10 is sealed until it finally exists in the lowermost portion B in the later period of use of the quantitative aerosol 100 for space treatment. Therefore, by positioning the distal end 30a of the dip tube 30 at a position 6mm or less from the lowermost portion B of the pressure-resistant container 10, even when the pressure-resistant container 10 is sprayed obliquely slightly with respect to the horizontal plane H, the distal end 30a is still positioned below the liquid surface of the aerosol stock solution and the propellant, and the aerosol stock solution and the propellant can be reliably supplied to the quantitative spray valve 12. As a result, the occurrence of defective ejection in the post-use period of the quantitative ejection aerosol 100 for spatial processing can be suppressed. If the height H of the tip 30a from the lowermost portion B of the pressure-resistant container 10 exceeds 6mm, the tip 30a tends to be positioned higher than the liquid level of the aerosol-containing liquid and the propellant when the pressure-resistant container 10 is tilted slightly obliquely with respect to the horizontal plane H during spraying, and as a result, there is a concern that a defective spraying may occur. The dip tube 30 is preferably formed as: a linear shape extending vertically downward in a state where one end is attached to the metering jet valve 12; a shape that extends vertically downward in a state where one end is attached to the metering jet valve 12, and is curved at the curved portion 30 b; or a shape in which bending occurs as a whole. Among them, more preferable are: a shape that is curved at the curved portion 30b such that the tip 30a is located near the inner side surface S of the pressure-resistant container 10; or a shape in which bending occurs as a whole. The dip tube 30 is formed in a shape in which the bent portion 30b is bent or in a shape in which the entire portion is bent, and when the distal end 30a is located in the vicinity of the inner side surface S of the pressure-resistant container 10, the distance d from the inner side surface S of the pressure-resistant container 10 to the distal end 30a is set to 25mm or less, preferably 15mm or less, more preferably 6mm or less, and even more preferably 3mm or less. By setting the distance d from the inner surface S to the distal end 30a to 25mm or less, even when the pressure-resistant container 10 is obliquely injected with respect to the horizontal plane H, the aerosol stock solution and the propellant located near the inner surface S can be reliably supplied to the quantitative injection valve 12, and the occurrence of injection failure can be further suppressed. The front end 30a of the dip tube 30 may be machined into various shapes. Fig. 3 is an enlarged cross-sectional view of the front end of a dip tube for spatially processing a metered dose aerosol, illustrating: (a) oblique end portions of oblique cutting, (b) U-shaped (concave) cut U-shaped end portions, (c) arc-shaped (convex) cut arc-shaped end portions, (d) right-angle end portions of right-angle cutting. Among these, preferred are (a) a beveled end portion cut obliquely, (b) a U-shaped cut U-end portion, and (c) a circular arc end portion cut in a circular arc shape. By setting the tip 30a to these shapes, the aerosol collagen liquid and the propellant are favorably absorbed, and the occurrence of defective ejection can be further suppressed.
< aerosol collagen liquid >)
As the aerosol stock solution, an aerosol collagen solution containing as one of its main components, namely, a control component, as follows:(A) Vapor pressure at 30deg.C is less than 1×10 -4 A compound (less volatile control component) having mmHg and a vapor pressure at 30 ℃ of 2X 10 -4 ～1×10 -2 A compound (volatile control component) of mmHg, or a mixture of (A) and (B). Hereinafter, the aerosol stock solution a containing the poorly volatile control component and the aerosol collagen solution B containing the volatile control component will be described.
[ Aerosol stock solution A ]
As the nonvolatile control component which is one of the main components of the aerosol-containing collagen liquid a, a creeping pest control compound for controlling creeping pests typified by cockroaches, bed bugs, ants, etc., and/or a mite control compound mainly for controlling house dust mites can be used. Examples of the creeping pest control compound include: pyrethroid compounds such as phenothrin (phenothrin), fenpropathrin (cyphenothrin), permethrin (permethrin), cypermethrin (cypermethrin), bifenthrin (bifenthrin), fenpropathrin (fenpropithrin), tetrabromothrin (tranomethrin), pyrethroid compounds such as etofenprox (etofenprox) and imazathrin (imiprothrin), silicone compounds such as silafluofen (silafluofen), organic phosphorus compounds such as dichlorvos (dichlorvos) and fenitrothion (fenitrothion), carbamate compounds such as prochloraz (profenoxur), neonicotinyl compounds such as dinotefuran (dinnproprion), imidacloprid (imidacloprid) and thiamine (clothianidin), and the like. Among these, phenothrin (phenothrin), fenvalerate (cyphenothrin), permethrin (permethrin), cypermethrin (cypermethrin), cyfluthrin (bifenthrin), fenpropathrin (fenprothrin), tetrabromothrin (tranomethrin), ethofenprox (dinotefuran) are preferable. In addition, when an optical isomer or a geometric isomer based on asymmetric carbon exists in the acid component or the alcohol moiety of the pyrethroid compound, each of these or any mixture is also included in the compound for controlling a creeping pest. Examples of the mite-controlling compound include: sulfamethoate (amidofluset), benzyl benzoate, phenyl salicylate, benzyl salicylate, dibutyl sebacate, dipropyl sebacate, dibutyl adipate, diethyl phthalate, dipropyl phthalate, dibutyl phthalate, p-menthane-3, 8-diol, 3-iodo-2-propynylbutyl carbamate, phenothrin (phenothrin), and mosquito repellent amine (DEET). Among these, sulfamethazine (amidofluset), benzyl benzoate, phenyl salicylate, benzyl salicylate, dibutyl sebacate, dipropyl sebacate, dibutyl adipate, diethyl phthalate, dibutyl phthalate, p-menthane-3, 8-diol, phenothrin (phenothrin), and mosquito repellent amine (DEET) are preferred. When the quantitative spray aerosol 100 for space treatment of the present invention is sprayed in a predetermined amount in a room-inside treatment space, spray particles mainly settle on the floor surface as adhesion particles, and the spray particles contain a component which is difficult to volatilize, so that the quantitative spray aerosol exhibits an excellent effect of controlling creeping pests and house dust mites in the treatment space. In addition, by containing the nonvolatile control component, volatilization of the nonvolatile control component from the adhesion particles deposited on the floor surface to the atmosphere is suppressed. By such an action mechanism, the quantitative aerosol 100 for space treatment of the present invention is highly safe and can be used even in a living situation.
The content of the control component in the aerosol stock solution A is 1 to 90w/v%, preferably 5 to 80w/v%, more preferably 30 to 75w/v%. When the content of the control component in the aerosol stock solution a is within the above range, the control component is easily dissolved in the organic solvent, and when aerosol is sprayed, sprayed particles are formed in an optimum state.
The aerosol collagen liquid a contains an organic solvent in addition to the above-mentioned control component. The organic solvent is used: the control component can be dissolved to prepare an aerosol collagen solution A, and an organic solvent which can form optimum spray particles when spraying the aerosol collagen solution A. In the quantitative ejection aerosol 100 for spatial processing of the present invention, examples of the organic solvent include: lower alcohols having 2 to 3 carbon atoms such as ethanol and isopropyl alcohol (IPA), hydrocarbon solvents such as normal paraffins and isoparaffins, higher fatty acid esters having 16 to 20 carbon atoms such as isopropyl myristate (IPM) and hexyl laurate, glycol ether solvents having 3 to 10 carbon atoms, ketone solvents, and the like. Among these, preferred are lower alcohols having 2 to 3 carbon atoms, hydrocarbon solvents and higher fatty acid esters having 16 to 20 carbon atoms. In particular, a lower alcohol having 2 to 3 carbon atoms is more preferable because it is less likely to cause tackiness on the surface of the exposed surface in the treatment space (for example, the floor surface, the wall surface, the surface of a structure such as furniture, etc. existing in the treatment space) and the like, especially on the floor surface. The organic solvent may be used in combination of two or more kinds. Further, as the organic solvent, a hydrocarbon solvent such as glycol ethers, normal paraffins and isoparaffins, a ketone solvent, and the like may be further mixed.
The specific gravity of the aerosol collagen liquid a is preferably 0.85 to 1.15, more preferably 0.89 to 1.10. When the specific gravity of the aerosol stock solution a is in the range of 0.85 to 1.15, the quantitative spray aerosol 100 for space treatment of the present invention is sprayed in a certain amount in the room treatment space, and the spray particles mainly settle as adhesion particles and adhere to the floor surface, so that a suitable control effect can be obtained. In addition, if the specific gravity of the aerosol stock solution a is in the above range, the adhesive particles enter the gaps or the hidden parts even during sedimentation, and therefore, even when a pyrethroid compound is used as a control component, the effect of flushing (in the literature: februn) by cockroaches or the like coming out of the gaps or the hidden parts can be sufficiently expected.
In addition to the above components, a mold inhibitor, an antibacterial agent, a bactericide, a fragrance, a deodorant, a stabilizer, an antistatic agent, an antifoaming agent, an excipient, and the like may be appropriately blended into the aerosol collagen liquid a. Examples of the antifungal agent, antibacterial agent, and bactericide include hinokitiol, 2-mercaptobenzothiazole, 2- (4-thiazolyl) benzimidazole, 5-chloro-2-methyl-4-isothiazolin-3-one, oxazin, 3-methyl-4-isopropylphenol, and o-phenylphenol. Further, as the fragrance, there may be mentioned: aromatic components such as orange oil, lemon oil, lavender oil, peppermint oil, eucalyptus oil, citronella oil, lyme oil, grapefruit oil, jasmine oil, hinokitiol (Japanese oil), green tea essential oil, limonene, alpha-pinene, linalool, geraniol, phenethyl alcohol, amyl cinnamic aldehyde, cumyl aldehyde, benzyl acetate, and the like, and flavor components called "green aroma" and green leaf aldehyde.
[ aerosol collagen liquid B ]
As the volatile control component which is one of the main components of the aerosol-type collagen liquid B, there can be used a pest control compound for controlling flying pests such as mosquitoes and flies, creeping pests such as cockroaches, bed bugs and ants, and pests such as house dust mites. Examples of the pest control compound include: bifenthrin (mevalonate), profluthrin (Profluthrin), transfluthrin (transfluthrin), enellethrin (empenthrin), cycloprothrin (Terallethrin), and bifenthrin (furamethrin). Among these, bifenthrin (mevalonate), profluthrin (Profluthrin) and transfluthrin (transfluthrin) are preferable in view of vapor pressure, stability, basic insecticidal efficacy, and the like. When an optical isomer or a geometric isomer based on asymmetric carbon exists in the acid component or the alcohol moiety of these compounds, these substances or any mixture thereof are also contained in the volatile control component. When the quantitative spray aerosol 100 for space treatment of the present invention is sprayed in a predetermined amount in a room, spray particles containing volatile control components mainly settle as adhesive particles and adhere to an exposed surface (for example, a floor surface, a wall surface, a surface of a structure such as furniture, etc. existing in the treatment space) of the treatment space, particularly, a floor surface, and the like, thereby exhibiting an excellent control effect against flying insects, creeping insects, and house dust mites in the treatment space.
The content of the control component in the aerosol stock solution B is 1 to 90w/v%, preferably 5 to 80w/v%, more preferably 8 to 75w/v%. When the content of the control component in the aerosol stock solution B is within the above range, the control component is easily dissolved in the organic solvent, and spray particles are formed in an optimum state when spraying the aerosol.
The aerosol collagen liquid B contains an organic solvent in addition to the above-mentioned control component. The organic solvent is used: the control component can be dissolved to prepare an aerosol-type collagen solution B, and an organic solvent which can form optimum spray particles when spraying the aerosol-type collagen solution B. The organic solvent that can be used in the aerosol collagen liquid B is the same as the organic solvent that can be used in the aerosol collagen liquid a.
The specific gravity of the aerosol collagen liquid B is preferably 0.78 to 1.15, more preferably 0.82 to 1.10. When the specific gravity of the aerosol solution B is in the range of 0.78 to 1.15, the quantitative spray aerosol 100 for space treatment of the present invention can obtain a suitable control effect because the spray particles are uniformly adhered to the exposed surface mainly as adhesion particles when sprayed in a certain amount in the room treatment space.
In addition to the above components, a mold inhibitor, an antibacterial agent, a bactericide, a fragrance, a deodorant, a stabilizer, an antistatic agent, an antifoaming agent, an excipient, and the like may be appropriately blended into the aerosol collagen liquid B. These additional components are the same as those added to the aerosol collagen solution a.
[ mixture of aerosol collagen A and aerosol collagen B ]
When the aerosol stock solution (a+b) is a mixture of the aerosol stock solution a and the aerosol stock solution B, the aerosol stock solution can be used for effectively controlling all of flying pests, creeping pests and house dust mites, and can be used for a wide range of applications. That is, when the quantitative spray aerosol 100 for space treatment of the present invention is sprayed in a predetermined amount in a room, spray particles containing volatile control components derived from the aerosol stock solution B mainly settle as adhesive particles and adhere to an exposed surface (for example, a floor surface, a wall surface, a surface of a structure such as furniture, etc. existing in the treatment space) in the treatment space, especially to a floor surface, and thus, in the treatment space, an excellent control effect against flying insects, creeping insects, and house dust mites is exhibited. Here, a certain amount of spray particles remain floating in the air, and the volatile control component derived from the aerosol-forming liquid B is contained as the control component, whereby the control effect against flying insects can be exerted. In addition, when the volatile control component derived from the aerosol stock solution B adheres to a part of the floor surface or the wall surface together with the nonvolatile control component derived from the aerosol stock solution a, the control effect on the creeping pest and/or the house dust mites can be synergistically improved.
< propellant >)
Examples of the propellant used for the quantitative aerosol 100 for spatial processing according to the present invention include liquefied gases such as Liquefied Petroleum Gas (LPG), dimethyl ether (DME), and hydrofluoroolefins, and gases such as nitrogen, carbon dioxide, nitrous oxide, and compressed air. The propellant may be used alone or in a mixed state, but is easy to use when LPG is the main component.
The volume ratio (a/b) of the aerosol stock solution (a) and the propellant (b) filled in the pressure-resistant container 10 is preferably adjusted to 10/90 to 50/50 in terms of the volume ratio in the quantitative aerosol 100 for space treatment of the present invention. When the volume ratio (a/b) is within the above range, a sufficient amount of the control component can be uniformly dispersed over the entire exposed surface, particularly over the entire floor surface.
Regarding the quantitative ejection aerosol 100 for space treatment of the present invention, the ejection force at a position 5cm away from the ejection port 21 is preferably 5 to 50gf. When the spraying force is in the above range, the sprayed aerosol stock solution uniformly settles and adheres to the exposed surface (e.g., the floor surface or wall surface existing in the treatment space, the surface of a structure such as furniture, etc.), particularly the entire floor surface, in the treatment space, thereby obtaining a practically sufficient control effect on flying insects, creeping insects and mites. If the ejection force is less than 5gf, the ejection force is insufficient, and the diffusivity over the entire exposed surface tends to be insufficient. If the spraying force exceeds 50gf, there is a possibility that good diffusivity of the sprayed aerosol collagen liquid cannot be obtained. Such ejection force can be appropriately adjusted by the composition of the aerosol stock solution, the internal pressure of the pressure-resistant container 10, the shape of the ejection port 21, and the like.
< control of insect pest >)
The quantitative spray aerosol 100 for spatial treatment of the present invention can be used for controlling various pests including: the mosquito-killing agent is prepared from mosquito such as culex pallidum, aedes albopictus, aedes albopictus, culex, fly such as house fly and Jute fly, fly such as microcystis, mao E fly, chironomus, membranous, moth, etc., or cockroach such as American cockroach, periplaneta fuliginosa, german cockroach, bed bug (bed bug), etc., bug such as Taiwan bed bug (Tropical bug), stinkbug such as tea wing bug, japanese black ant, double needle-headed solenosis, black ant, small Huang Guyi, tropical fire ant, red fire ant, etc spider species such as scolopendra, pediculus humanus, and red back spider, centipedes such as pediculus plocals, scolopendra, wood louse, armadillidium, taiwan termite, termites such as yellow chest termite, creeping pests such as carpenter worm, clothes moth such as clothes moth and larva moth, clothes pest such as bark beetle and Pimentagrophytes, grain pest such as weevil, dust mite, epidermomyces, tarsonella, predatory mites, house dust mites (house dust mite), and the like. In particular, the composition can effectively prevent and kill cockroaches such as American cockroaches, black chest cockroaches, german cockroaches, etc., bed bugs (bed bugs), taiwan bed bugs (tropical bed bugs), etc., japanese black ants, termites such as small Huang Guyi, tropical fire ants, red ants, etc., creeping pests such as scolopendra spider, spider mites such as red back spider, etc., white mites, epidermomyces, tarsonella, meat mites, house dust mites, etc., and particularly has excellent preventing and killing effects on German cockroaches, american cockroaches, black chest cockroaches, bed bugs (bed bugs).
< processing object >)
The treatment target of the quantitative aerosol 100 for space treatment of the present invention is mainly an indoor space. The volume of the treatment space is not particularly limited, but the volume of the room corresponding to 4.5 to 16 collapsed rice is preferably 18.8 to 66.6m 3 (area 7.5-26.6 m) 2 A height of 2.2 to 3.0 m), more preferably a volume of 18.8 to 33.3m corresponding to a room of 4.5 to 8 collapsed rice 3 (area 7.5-13.3 m) 2 2.2-3.0 m high). However, even in a larger-volume indoor space or a smaller-volume indoor space, the amount of the released control component is set to 0.1 to 50mg/m in the atmosphere of the indoor space by only matching the volume of the indoor space 3 By appropriately setting the number of injections, the injection capacity, and the like, the same control effect can be obtained regardless of the volume of the indoor space. The frequency of use of the quantitative spray aerosol for space treatment of the present invention is appropriately determined according to the frequency and condition of occurrence of pestsThe amount of the release-preventing component may be adjusted to the above range.
Examples
Based on examples 1 to 49 and comparative examples 1 to 7, quantitative ejection aerosols for spatial processing according to the present invention were further studied in detail. In order to confirm the effect of the quantitative spray aerosol for spatial processing according to the present invention, quantitative spray aerosols for spatial processing having the characteristic configuration according to the present invention (examples 1 to 49) were produced and spray tests were performed. For comparison, quantitative aerosol for spatial processing (comparative examples 1 to 7) having no characteristic constitution of the present invention was prepared, and the same effect confirmation test was performed.
Example 1
An aerosol stock solution A was prepared by dissolving phenothrin (40 w/v%) as a nonvolatile control component in ethanol. The aerosol collagen liquid a3.5mL and 5.3mL of liquefied petroleum gas as a propellant were pressurized and filled into a pressure-resistant container having a constant-volume aerosol valve with a spray volume of 0.4 mL. This filling amount theoretically makes it possible to perform a maximum of 22 metering injections. An actuator having an ejection port for obtaining a quantitative aerosol for spatial processing of example 1 was attached to a quantitative aerosol valve of a pressure-resistant container, wherein the ejection port had an elevation angle (D) of the ejection axis of 60 ° with respect to the horizontal plane when the pressure-resistant container was placed on the horizontal plane. In the quantitative spray aerosol for space treatment of example 1, the dip tube was attached to the quantitative spray valve by using a U-shaped cutter at the tip so that the height (h) of the tip from the lowest part of the pressure vessel in the pressure vessel became 1 mm. The ejection force of the quantitative aerosol for space treatment of example 1 was 15gf at an ejection distance of 5 cm.
Examples 2 to 24 and comparative examples 1 to 5
According to example 1, quantitative ejection aerosols for various spatial treatments of examples 2 to 24 and comparative examples 1 to 5 were produced in the configurations shown in table 1. In examples 16, 17, 21, 22, 23 and 24, the filling amount of the pressure-resistant container was adjusted so that the maximum amount of the metered injection could theoretically be 22 times even when a metered spray valve having a discharge capacity of 0.2mL or 1.0mL was used.
Injection test (injection angle 45 °) >
The quantitative aerosol for spatial processing of examples 1 to 24 and comparative examples 1 to 5 was fixed so that the injection axis of the injection port had an injection angle of 45 ° with respect to the horizontal plane, and the injections were repeated. Before starting to count the number of injections, 2 blank injections were performed, and then the number of injections until normal injections were not possible was counted. In the present embodiment, the term "unable to normally inject" is synonymous with the term "poor injection" described above, and means that the actual injection capacity is less than 85% of the injection capacity of the metering valve by the operation of the actuator. The same applies to the following examples. The test was repeated 4 times for each quantitative aerosol for spatial treatment, and the ejection failure suppression effect was evaluated based on the average of the ejection times by the following evaluation criteria.
(evaluation criterion)
A: more than 18 times
B:16 times or 17 times
C:14 times or 15 times
D: less than 14 times
In addition, in the case where the ejection failure occurred from the start of counting to the 2 nd time in more than 1 of the 4 tests, it was determined that the ejection failure was in the initial stage of use. The test results are shown in Table 1.
TABLE 1
As a result of the test, in the case of spraying the chemical at an angle of 45 ° obliquely upward with respect to the horizontal plane, the number of injections until the normal injection was impossible was 14 or more for the quantitative injection aerosols for space treatment of examples 1 to 24, and the occurrence of injection failure in the later stage of use was suppressed. Among them, the quantitative spray aerosols for space treatment of examples 1 to 6, 8 to 19 and 21 to 24, in which the actuator having the spray port provided so that the spray axis forms an elevation angle of 15 ° or more with respect to the horizontal surface when the pressure-resistant container is placed on the horizontal surface and the dip tube having the front end cut in a U-shape or in an oblique direction, were used, were particularly excellent in the effect of suppressing the spray failure in the later stage of use. In addition, the quantitative ejection aerosols for spatial processing of examples 1 to 24 did not cause ejection failure at the initial stage of use.
In contrast, in the quantitative ejection aerosols for spatial processing of comparative examples 1 to 5, the number of ejections up to the failure of normal ejection was 13 or less, and the occurrence of ejection failure in the later stage of use was not sufficiently suppressed. In addition, quantitative ejection aerosols for spatial processing of comparative examples 1 to 3 and 5 also caused ejection failures in the initial stage of use.
Examples 25 to 32, comparative examples 6 and 7
According to example 1, quantitative ejection aerosols for various spatial treatments of examples 25 to 32 and comparative examples 6 and 7 were produced in the configurations shown in table 2.
Injection test (injection angle 30 °) >
The quantitative aerosol for spatial processing of examples 25 to 32 and comparative examples 6 and 7 was fixed so that the injection axis of the injection port had an injection angle of 30 ° with respect to the horizontal plane, and the injections were repeated. Before starting to count the number of injections, 2 blank injections were performed, and then the number of injections until normal injections were not possible was counted. The test was repeated 4 times for each quantitative aerosol for spatial treatment, and the ejection failure suppression effect was evaluated based on the average of the ejection times by the following evaluation criteria.
(evaluation criterion)
A: more than 18 times
B:16 times or 17 times
C:14 times or 15 times
D: less than 14 times
In addition, in the case where the ejection failure occurred from the start of counting to the 2 nd time in more than one of the 4 tests, it was determined that the ejection failure was in the initial stage of use. The test results are shown in Table 2.
TABLE 2
As a result of the test, in the case of spraying the chemical obliquely upward by 30 ° with respect to the horizontal plane, the number of injections until the normal injection was not less than 15 was observed in the quantitative injection aerosols for space treatment of examples 25 to 32, and the occurrence of injection failure in the later stage of use was suppressed. Among them, the quantitative ejection aerosols for space treatment of examples 26 to 32, in which the actuators having the ejection ports provided so that the ejection axes are at an elevation angle of 50 ° or less with respect to the horizontal plane when the pressure-resistant container is placed on the horizontal plane, were excellent in the effect of suppressing ejection failure in the later stage of use. In addition, the quantitative ejection aerosols for spatial processing of examples 25 to 32 did not cause ejection failure at the initial stage of use.
In contrast, the quantitative spray aerosols for spatial processing of comparative examples 6 and 7 were inferior in the post-use spray failure suppression effect to the quantitative spray aerosols for spatial processing of examples 25 to 32 in that the number of sprays until the normal spray was not more than 14. In addition, the quantitative ejection aerosols for spatial processing of comparative examples 6 and 7 also caused ejection failures at the initial stage of use.
Example 33
The pressure vessel was filled with 2.7mL of the aerosol stock solution a and 6.1mL of liquefied petroleum gas as a propellant under pressure. In addition, the quantitative aerosol for spatial processing of example 33 was obtained in the same order as the quantitative aerosol for spatial processing of example 1.
Examples 34 to 38
According to example 33, quantitative spray aerosols for various spatial treatments of examples 34 to 38 were produced with the configurations shown in table 3.
Injection test (injection angle 60 °) >
The quantitative aerosol for spatial processing of examples 33 to 38 was fixed so that the injection axis of the injection port had an injection angle of 60 ° with respect to the horizontal plane, and the injections were repeated. Before starting to count the number of injections, 2 blank injections were performed, and then the number of injections until normal injections were not possible was counted. The test was repeated 4 times for each quantitative aerosol for spatial treatment, and the ejection failure suppression effect was evaluated based on the average of the ejection times by the following evaluation criteria.
(evaluation criterion)
A: more than 18 times
B:16 times or 17 times
C:14 times or 15 times
D: less than 14 times
In addition, in the case where the ejection failure occurred from the start of counting to the 2 nd time in more than 1 of the 4 tests, it was determined that the ejection failure was in the initial stage of use. The test results are shown in Table 3.
TABLE 3
As a result of the test, in the case of spraying the chemical obliquely upward by 60 ° with respect to the horizontal plane, the number of injections until the normal injection was not less than 15 was obtained for the quantitative injection aerosols for space treatment of examples 33 to 38, and the occurrence of injection failure in the later stage of use was suppressed. Among them, the quantitative ejection aerosols for space treatment of examples 34 to 36, in which the actuators having ejection ports provided so that the ejection axes are at an elevation angle of 40 ° to 50 ° with respect to the horizontal plane when the pressure-resistant container is placed on the horizontal plane, were excellent in the effect of suppressing ejection failure in the later stage of use. In addition, the quantitative ejection aerosols for spatial processing of examples 33 to 38 did not cause ejection failure at the initial stage of use.
Example 39, 40
According to example 1, quantitative ejection aerosols for various spatial treatments of examples 39 and 40 were produced with the configurations shown in table 4. In the case of the quantitative spray aerosols for space treatment of examples 39 and 40, the filling amount of the pressure-resistant container was adjusted so that the quantitative spray valve could theoretically be used for at most 22 times of quantitative spraying even when the spraying capacity was 0.2mL or 2.0 mL.
< diffusion uniformity test >)
At the closed volume of 25m 3 Is (area 10 m) 2 2.5m high) of groundA20X 20cm glass plate is arranged at 6-8 parts of the plate surface. The quantitative aerosol for spatial processing of examples 13 to 17, 39 and 40 was held at a position of 1.5m in height in the center of the room so that the ejection axis of the ejection port had an ejection angle of 45 ° with respect to the horizontal plane, and a quantitative ejection process was performed. After 1 hour from the spraying treatment, all the glass plates were taken out, and the control components adhering to each glass plate were washed out with acetone, and analyzed by weather chromatography. The dispersion uniformity of the spray particles was evaluated by analyzing the dispersion between the glass plates for the control component adhering to the glass plates. The results were represented by the 3-stage A, B, C in order from the one with good diffusion uniformity. The above-described spray test (spray angle 45 °) was performed on the quantitative spray aerosols for spatial processing in examples 39 and 40. The test results of the injection test (injection angle 45 °) and the diffusion uniformity test are shown in table 4.
TABLE 4
As a result of the test, in the case of spraying the chemical obliquely upward at 45 ° with respect to the horizontal plane, the quantitative spray aerosols for spatial treatment of examples 39 and 40 were suppressed in the occurrence of spray failures both at the initial stage and at the later stage of use, as in the quantitative spray aerosols for spatial treatment of examples 13 to 17. However, the diffusion uniformity of the quantitative spray aerosols for spatial processing in examples 39 and 40 was worse than that of the quantitative spray aerosols for spatial processing in examples 13 to 17. This is considered as follows: in order to improve the diffusion uniformity, it is preferable to set the ejection force at an ejection distance of 5cm to be in the range of 5 to 50gf as in the quantitative ejection aerosols for space treatment of examples 13 to 17.
Example 41
The control component of the aerosol stock solution a in the quantitative spray aerosol for space treatment of example 1 was changed to phenothrin (53 w/v%) as a less volatile control component and bifenthrin (0.7 w/v%) as a volatile control component, and the filling amount into the pressure-resistant container was changed to 2.6mL of the aerosol stock solution (a+b) and 6.2mL of the propellant. In addition, the actuator is changed to: an actuator having an injection port so that the injection axis is at an elevation angle of 45 DEG with respect to the horizontal plane when the pressure vessel is placed on the horizontal plane. The same procedure as in example 1 was repeated except for obtaining a quantitative aerosol for spatial treatment of example 41.
Example 42
The control component of the aerosol stock solution a in the quantitative spray aerosol for space treatment of example 1 was changed to fenvalerate (cyphenothrin) (38 w/v%) as a less volatile control component, transfluthrin (0.7 w/v%) as a volatile control component, and the filling amount into the pressure-resistant container was changed to 1.8mL of the aerosol stock solution (a+b) and 7.0mL of the propellant. In addition, the actuator is changed to: an actuator having an injection port so that the injection axis is at an elevation angle of 45 DEG with respect to the horizontal plane when the pressure vessel is placed on the horizontal plane. The same procedure as in example 1 was repeated except for obtaining a quantitative aerosol for spatial treatment of example 42.
Example 43
The control component of the aerosol solution a in the quantitative spray aerosol for space treatment of example 1 was changed to permethrin (60 w/v%) as a less volatile control component, the organic solvent was changed to isopropanol, and the filling amount into the pressure-resistant container was changed to 2.6mL of the aerosol solution a and 6.2mL of the propellant. In addition, the actuator is changed to: an actuator having an injection port so that the injection axis is at an elevation angle of 45 DEG with respect to the horizontal plane when the pressure vessel is placed on the horizontal plane. In addition, a quantitative spray aerosol for spatial processing of example 43 was produced in the same manner as the quantitative spray aerosol for spatial processing of example 1.
Example 44
The control component of the aerosol gas-soluble collagen solution a in the quantitative spray aerosol for space treatment of example 1 was changed to phenothrin (53 w/v%) as a nonvolatile control component, the organic solvent was changed to Neo-chiozol (normal paraffin-based solvent), and the filling amount into the pressure-resistant container was changed to 2.6mL of the aerosol gas-soluble collagen solution a and 6.2mL of the propellant. In addition, the actuator is changed to: an actuator having an injection port so that the injection axis is at an elevation angle of 45 DEG with respect to the horizontal plane when the pressure vessel is placed on the horizontal plane. The same procedure as in example 1 was repeated except for obtaining a quantitative aerosol for spatial treatment of example 44.
Example 45
The control component of the aerosol solution a in the quantitative spray aerosol for space treatment of example 1 was changed to phenothrin (30 w/v%) as a less volatile control component, the organic solvent was changed to isopropyl myristate, and the filling amount into the pressure-resistant container was changed to 2.6mL of the aerosol solution a and 6.2mL of the propellant. In addition, the actuator is changed to: an actuator having an injection port so that the injection axis is at an elevation angle of 45 DEG with respect to the horizontal plane when the pressure vessel is placed on the horizontal plane. The same procedure as in example 1 was repeated except for obtaining a quantitative aerosol for spatial treatment of example 45.
Example 46
The control component of the aerosol solution a in the quantitative spray aerosol for space treatment of example 1 was changed to permethrin (60 w/v%) as a less volatile control component, the organic solvent was changed to IP Clean LX (isoparaffin-based solvent), and the filling amount into the pressure-resistant container was changed to 2.2mL of the aerosol solution a and 6.6mL of the propellant. In addition, the actuator is changed to: an actuator having an injection port so that the injection axis is at an elevation angle of 45 DEG with respect to the horizontal plane when the pressure vessel is placed on the horizontal plane. The same procedure as in example 1 was repeated except for obtaining a quantitative aerosol for spatial treatment of example 46.
The above-described "spray test (spray angle 30 °)", "spray test (spray angle 45 °)", "spray test (spray angle 60 °)", and "diffusion uniformity test" were performed using the quantitative spray aerosols for spatial processing in examples 41 to 46. Test results confirm: the composition of the aerosol-forming liquid a containing the nonvolatile control component or the aerosol-forming liquid (a+b) containing the nonvolatile control component and the volatile control component, and the quantitative spray aerosols for space treatment of examples 41 to 46 in which the volume ratio of the aerosol stock solution and the spray agent filled in the pressure-resistant container were different from each other were each at spray angles of 30 °, 45 ° and 60 °, and the occurrence of spray failure at the initial stage and the later stage of use was suppressed, and excellent diffusion uniformity was exhibited. This is considered as follows: the ejection failure suppressing effect and the diffusion uniformity improving effect are obtained not by setting the composition of the aerosol stock solution and the volume ratio of the aerosol stock solution and the propellant filled in the pressure-resistant container, but by appropriately setting the height (h) of the tip of the dip tube and the elevation angle (D) of the ejection port (ejection axis).
Example 47
The control component of the aerosol stock solution a in the quantitative spray aerosol for space treatment of example 1 was changed to transfluthrin (8 w/v%) as a volatile control component, the organic solvent was changed to ethanol, and the filling amount into the pressure-resistant container was changed to 2.6mL of the aerosol stock solution B and 6.2mL of the propellant. In addition, the actuator is changed to: an actuator having an injection port so that the injection axis is at an elevation angle of 45 DEG with respect to the horizontal plane when the pressure vessel is placed on the horizontal plane. Further, a quantitative spray aerosol for spatial treatment of example 47 was obtained in the same manner as the quantitative spray aerosol for spatial treatment of example 1.
Example 48
The control component of the aerosol stock solution a in the quantitative spray aerosol for space treatment of example 1 was changed to transfluthrin (40 w/v%) as a volatile control component, the organic solvent was changed to isopropanol, and the filling amount into the pressure-resistant container was changed to 2.6mL of the aerosol stock solution B and 6.2mL of the propellant. In addition, the actuator is changed to: an actuator having an injection port so that the injection axis is at an elevation angle of 45 DEG with respect to the horizontal plane when the pressure vessel is placed on the horizontal plane. The same procedure as in example 1 was repeated except for obtaining a quantitative aerosol for spatial treatment of example 48.
Example 49
The control component of the aerosol stock solution a in the quantitative spray aerosol for space treatment of example 1 was changed to bifenthrin (20 w/v%) as the volatile control component, the organic solvent was changed to Neo-chiozol (normal alkane solvent), and the filling amount into the pressure-resistant container was changed to 2.6mL of the aerosol stock solution B and 6.2mL of the propellant. In addition, the actuator is changed to: an actuator having an injection port so that the injection axis is at an elevation angle of 45 DEG with respect to the horizontal plane when the pressure vessel is placed on the horizontal plane. The same procedure as in example 1 was repeated except for obtaining a quantitative aerosol for spatial treatment of example 49.
The quantitative spray aerosols for spatial processing of examples 47 to 49 were used to perform the above-described "spray test (spray angle 30 °)", "spray test (spray angle 45 °)," spray test (spray angle 60 °), "and" diffusion uniformity test ". Test results confirm: for the quantitative spray aerosols for spatial treatment of examples 47 to 49 containing the aerosol stock solution B containing the volatile control component, the occurrence of spray failures at the initial stage and the later stage of use was suppressed at the spray angles of 30 °, 45 ° and 60 °, and excellent diffusion uniformity was exhibited. It is also considered that: the ejection failure suppressing effect and the diffusion uniformity improving effect are obtained not by setting the composition of the aerosol stock solution and the volume ratio of the aerosol stock solution and the propellant filled in the pressure-resistant container, but by appropriately setting the height (h) of the tip of the dip tube and the elevation angle (D) of the ejection port (ejection axis).
Industrial applicability
The quantitative spray aerosol for spatial treatment of the present invention can be used for the purpose of controlling a wide range of pests and mites.
Description of the reference numerals
10. Pressure-resistant container
12. Quantitative injection valve
20. Actuator with a spring
21. Jet orifice
30. Dip tube
30a front end of dip tube
100. Quantitative spray aerosol for space treatment
D elevation angle
H level plane
O jet shaft
Inner side surface of S pressure-resistant container
Claims (6)
1. A quantitative spray aerosol for indoor space treatment, comprising: a pressure-resistant container provided with a quantitative injection valve, wherein the pressure-resistant container is filled with an aerosol collagen liquid containing a control component and an injection agent; an actuator provided with an injection port connected to the quantitative injection valve; and a dip tube for supplying the aerosol collagen liquid and the propellant to the quantitative injection valve,
the ejection force at a distance of 5cm from the ejection port is 15gf to 28gf,
the front end of the dip tube is located at a height of 5mm or less from the lowermost portion of the pressure vessel,
the front end of the dip tube is cut in a U-shape or obliquely cut, and
when the pressure-resistant container is placed on a horizontal plane, the injection axis of the injection port has an elevation angle of 40-50 degrees with respect to the horizontal plane.
2. The quantitative spray aerosol for indoor space treatment according to claim 1, wherein the control component has a vapor pressure of less than 1X 10 at 30 ℃ -4 A nonvolatile control component of mmHg.
3. The quantitative spray aerosol for indoor space treatment according to claim 1, wherein the control component contains a vapor pressure of 2X 10 at 30 ℃ -4 mmHg～1×10 -2 Volatile control components of mmHg.
4. The quantitative spray aerosol for indoor space treatment according to claim 1, wherein the control component is contained at 30 ℃Is less than 1 x 10 -4 The vapor pressure at 30 ℃ of the nonvolatile control component of mmHg was 2X 10 -4 mmHg～1×10 -2 Volatile control components of mmHg.
5. The quantitative spray aerosol for indoor space treatment according to any one of claims 1 to 4, wherein the dip tube front end is located at a height of 3mm or less from the lowermost portion of the pressure-resistant container.
6. The quantitative spray aerosol for indoor space treatment according to any one of claims 1 to 4, wherein the dip tube is formed in a bendable form inside the pressure-resistant container.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
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| JP2019-203461 | 2019-11-08 | ||
| JP2019203461 | 2019-11-08 | ||
| PCT/JP2020/040410 WO2021090742A1 (en) | 2019-11-08 | 2020-10-28 | Aerosol for metered spraying for space treatment |
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| CN114599226A CN114599226A (en) | 2022-06-07 |
| CN114599226B true CN114599226B (en) | 2024-01-12 |
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| JP (2) | JP7427009B2 (en) |
| CN (1) | CN114599226B (en) |
| TW (1) | TWI772949B (en) |
| WO (1) | WO2021090742A1 (en) |
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Also Published As
| Publication number | Publication date |
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| CN114599226A (en) | 2022-06-07 |
| TWI772949B (en) | 2022-08-01 |
| JPWO2021090742A1 (en) | 2021-12-02 |
| WO2021090742A1 (en) | 2021-05-14 |
| JP7427009B2 (en) | 2024-02-02 |
| TW202126171A (en) | 2021-07-16 |
| JP2022103175A (en) | 2022-07-07 |
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