CN114599226A - Quantitative spraying aerosol for space treatment - Google Patents
Quantitative spraying aerosol for space treatment Download PDFInfo
- Publication number
- CN114599226A CN114599226A CN202080073930.3A CN202080073930A CN114599226A CN 114599226 A CN114599226 A CN 114599226A CN 202080073930 A CN202080073930 A CN 202080073930A CN 114599226 A CN114599226 A CN 114599226A
- Authority
- CN
- China
- Prior art keywords
- aerosol
- space
- treatment
- pressure
- injection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 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
- 235000010292 orthophenyl phenol Nutrition 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 235000019477 peppermint oil Nutrition 0.000 description 1
- 229940067107 phenylethyl alcohol Drugs 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
- 238000007639 printing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- GRWFGVWFFZKLTI-UHFFFAOYSA-N rac-alpha-Pinene Natural products CC1=CCC2C(C)(C)C1C2 GRWFGVWFFZKLTI-UHFFFAOYSA-N 0.000 description 1
- HPYNBECUCCGGPA-UHFFFAOYSA-N silafluofen Chemical compound C1=CC(OCC)=CC=C1[Si](C)(C)CCCC1=CC=C(F)C(OC=2C=CC=CC=2)=C1 HPYNBECUCCGGPA-UHFFFAOYSA-N 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 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
- 239000000341 volatile oil Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 229930007845 β-thujaplicin Natural products 0.000 description 1
Images
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
Abstract
The invention provides a quantitative spraying aerosol for space treatment, which takes pests, particularly creeping pests or house dust mites as control objects, can uniformly diffuse a pesticide in a space treatment application, and can inhibit the occurrence of poor spraying. A space treatment quantitative spray aerosol (100) is provided with: a pressure-resistant container (10) provided with a quantitative injection valve (12) and enclosing an aerosol liquid containing a control component and an injection agent, an actuator (20) provided with an injection port (21), and a dip tube (30), wherein the tip (30a) 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 the injection axis (O) of the injection port (21) has an angle of elevation (D) of 10 DEG to 60 DEG with respect to the horizontal plane (H) when the pressure-resistant container (10) is placed on the horizontal plane (H).
Description
Technical Field
The present invention relates to a quantitative aerosol for space treatment, which comprises a pressure container provided with a quantitative injection valve, an actuator provided with an injection port connected to the quantitative injection valve, and a dip tube.
Background
A metered-dose aerosol, which can spray a certain amount of a medicament by one-time spraying, is classified into: a coating-use constant-volume spray aerosol for locally performing treatment in a gap or the like, a direct-impact constant-volume spray aerosol for performing direct-impact spray treatment on an object, a space-treatment constant-volume spray aerosol for spreading a drug in a space, or the like.
For example, known are: a metered dose aerosol for treating extremely useful spaces, which is effective not only against creeping pests and house dust mites but also against flying pests on the day of spraying (see patent document 1). The present inventors have made various studies to improve the efficiency and efficacy of the chemical injection based on the knowledge that the aerosol for the space treatment is efficiently processed for the entire indoor space. As a result, the obtained findings were: the constant-volume-ejection aerosol for space treatment can improve the diffusibility of the chemical by spraying the chemical obliquely upward with respect to the horizontal plane.
Documents of the prior art
Patent document
Patent document 1: japanese patent No. 5517122
Disclosure of Invention
Problems to be solved by the invention
The following methods of use are known: aerosol is quantitatively sprayed for space processing by using an actuator having a spray port provided in (1) a horizontal direction or (2) an obliquely upward direction, and the aerosol can is sprayed obliquely with respect to a horizontal plane so that a spray axis of the spray port is directed obliquely upward.
However, in the conventional product, a jetting failure may occur in such a use method. Patent document 1 does not recognize that a spray failure occurs due to spraying obliquely upward, and therefore, no mention is made of measures against such a problem.
The present invention has been made in view of the above problems, and an object of the present invention is to provide a constant-volume aerosol for space treatment which is intended to control pests, particularly, creeping pests or house dust mites, and which can uniformly diffuse a chemical agent in space treatment and suppress the occurrence of defective spraying.
Means for solving the problems
The present invention for solving the above problems is characterized in that the aerosol for space treatment is injected with a constant amount,
a metered-dose aerosol for space treatment, comprising: a pressure-resistant container provided with a quantitative injection valve and enclosing an aerosol liquid containing a control component and an injection agent; an actuator provided with an injection port connected to the fixed-quantity injection valve; and a dip tube (dip tube) for supplying the aerosol liquid and the propellant to the constant-volume injection valve,
the front end of the dip tube is located at a height of 6mm or less from the lowest part of the pressure vessel, and
when the pressure vessel is placed on a horizontal plane, the injection axis of the injection port has an elevation angle of 10 to 60 degrees with respect to the horizontal plane.
The present inventors have conducted various studies on the ejection direction of the quantitative aerosol for spatial processing, and as a result, have obtained the following findings: when the chemical is sprayed in the vicinity of 30 ° to 60 ° obliquely upward with respect to the horizontal plane, the chemical spreads uniformly in the treatment space, and the treatment can be performed efficiently.
According to the present invention, the aerosol for space treatment is quantitatively sprayed, the tip of the dip tube for spatially treating the aerosol for space treatment is positioned at a height of 6mm or less from the lowermost part of the pressure-resistant container, and the spraying axis of the spraying port has an angle of elevation of 10 ° to 60 ° with respect to the horizontal plane when the pressure-resistant container is placed on the horizontal plane, whereby occurrence of defective spraying can be suppressed when the control component suitable for controlling pests is sprayed so that the spraying axis of the spraying port has an angle of 30 ° to 60 ° with respect to the horizontal plane. In this case, even when the pressure-resistant container is ejected while being inclined slightly with respect to the horizontal plane, the aerosol liquid and the propellant can be reliably supplied to the quantitative injection valve by positioning the tip of the dip tube at a height of 6mm or less from the lowermost portion of the pressure-resistant container, and the ejection state can be maintained satisfactorily.
In the quantitative spraying aerosol for space treatment of the invention,
the control component preferably has a vapor pressure of less than 1X 10 at 30 DEG C-4A hardly volatile control component of mmHg.
The aerosol for space treatment with fixed quantity can be suitable for preventing and killing creeping pests or indoor dust mites.
In the quantitative spraying aerosol for space treatment of the invention,
the control component preferably has a vapor pressure of 2X 10 at 30 DEG C-4～1×10-2A volatile control component of mmHg.
The aerosol for space treatment of the present invention can be used for controlling flying pests, creeping pests, and house dust mites.
In the quantitative spraying aerosol for space treatment of the invention,
the control component preferably has a vapor pressure of less than 1X 10 at 30 DEG C-4The vapor pressure of the components difficult to volatilize in mmHg at 30 deg.C is 2 × 10-4～1×10-2A volatile control component of mmHg.
The aerosol for space treatment with fixed amount can prevent and kill flying pest, creeping pest and house dust mite.
In the quantitative spraying aerosol for space treatment of the invention,
the injection axis of the injection port preferably has an elevation angle of 15 ° to 50 ° with respect to the horizontal plane.
According to the space treatment constant-volume aerosol of the present configuration, the ejection axis of the ejection port for ejecting the space treatment constant-volume aerosol has an angle of elevation of 15 ° to 50 ° with respect to the horizontal plane, so that even when the aerosol is ejected so that the ejection axis of the ejection port has an angle of 30 ° to 60 ° with respect to the horizontal plane, the pressure vessel can be prevented from being tilted at an angle, thereby preventing the occurrence of ejection failure and maintaining a stable ejection state.
In the quantitative spraying aerosol for space treatment of the invention,
the tip of the dip tube is preferably located at a height of 3mm or less from the lowermost part of the pressure vessel.
According to the aerosol for space treatment of the present configuration, by positioning the tip of the dip tube at a height of 3mm or less from the lowermost portion of the pressure-resistant container, even when the pressure-resistant container is inclined slightly with respect to the horizontal plane for spraying, the aerosol liquid and the propellant can be reliably supplied to the constant-volume injection valve, and the occurrence of a spraying failure can be suppressed.
In the quantitative spraying aerosol for space treatment of the invention,
preferably, the spraying force is set to 5 to 50gf at a spraying distance of 5 cm.
According to the metered-dose aerosol for space treatment of the present configuration, by setting the ejection force at an ejection distance of 5cm to 5 to 50gf, the ejected aerosol raw liquid uniformly settles and adheres to an exposed surface (for example, a floor surface or a wall surface existing in the treatment space, a surface of a structure such as furniture, or the like), particularly the entire floor surface in the treatment space, and thereby a practically sufficient control effect can be exerted on flying pests, creeping pests, and house dust mites.
In the quantitative spraying aerosol for space treatment of the invention,
the dip tube is preferably formed to be bendable inside the pressure-resistant container.
According to the space treatment aerosol for constant volume injection of the present configuration, since the dip tube is formed to be flexible inside the pressure-resistant container, the tip end thereof can be easily disposed at an appropriate position inside the pressure-resistant container by appropriately bending the dip tube.
Brief description of the drawings
Fig. 1 is a cross-sectional view of a metered dose aerosol for spatial processing according to the present invention.
Fig. 2 is an explanatory diagram showing (a) an elevation angle of an ejection port (ejection axis) and (b) an ejection direction of a constant-volume aerosol for spatial processing.
Fig. 3 is an enlarged cross-sectional view of the front end of a dip tube for quantitatively spraying aerosol for space treatment.
Detailed Description
Hereinafter, the space treatment aerosol for constant-volume injection 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 metered dose aerosol 100 for spatial processing according to the present invention. The space treatment constant-volume aerosol 100 includes: a pressure-resistant container 10 having a constant-volume injection valve 12, in which aerosol collagen liquid containing a control component and an injection agent are sealed; an actuator 20 provided with an injection port 21 connected to the fixed-quantity injection valve 12; and a dip tube 30 for supplying an aerosol solution and a propellant to the constant injection valve 12, and is useful for controlling flying pests such as mosquitoes and flies, creeping pests such as cockroaches, and pests such as house dust mites, depending on the space treatment.
[ pressure resistant vessel ]
The pressure-resistant container 10 includes a reservoir 11 for storing the aerosol liquid and the propellant, and a constant-volume injection valve 12 attached to a mouth of the reservoir 11. The storage part 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 storage part 11 may have a transparent, translucent or opaque appearance. The shape of the bottom portion may be a flat shape, a concave shape, a five-petal shape, or the like. Preferably, a mark for allowing the user to recognize that the dip tube 30 is bent and the opposite side to the direction in which the tip 30a faces is a front surface is provided on the outer surface of the storage portion 11. For example, by printing a mark or the like indicating the front direction F at the position P on the outer surface of the storage unit 11, the user can recognize that the opposite side to the direction in which the dip tube 30 is bent and the tip 30a faces is the front. The mark indicating the front direction F may be, for example, characters, a pattern, or the like, and if the mark is a pattern that matches a pattern or the like printed on the actuator 20 when the ejection port 21 is oriented in 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 ejection port 21 in the front direction F indicated by the reference sign P, even in a state where the amount of enclosed materials is small after the use of the space treatment metered dose aerosol 100, if the pressure vessel 10 is inclined slightly obliquely upward with respect to the horizontal plane H, the aerosol liquid and the propellant can be accumulated in the vicinity of the distal end 30a of the dip tube 30. As a result, when the aerosol 100 is ejected with a constant amount for the treatment in the ejection space, the aerosol liquid and the propellant are well sucked up by the dip tube 30, and the occurrence of ejection failure can be suppressed. Here, "ejection failure" means: a state in which the capacity actually injected by 1 operation of actuator 20 is less than 85% of the injection capacity of fixed quantity injection 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 poor ejection when the aerosol 100 is ejected in a fixed amount for the ejection space treatment. With such level indication, the user can use the aerosol 100 for the space treatment in a proper posture because the user psychologically wants to make the liquid level of the aerosol raw liquid in the storage part 11 coincide with the level mark.
The fixed-quantity injection valve 12 is attached to the mouth of the storage portion 11, connected to the actuator 20 outside the pressure container 10, and connected to the dip tube 30 inside the pressure container 10. The fixed-quantity injection valve 12 has a valve mechanism, not shown, and is set to have an injection capacity of 0.2 to 5.0mL per 1 injection.
(actuator)
The actuator 20 is an operation section for ejecting the aerosol liquid, and the actuator 20 is provided with an ejection port 21 which is connected to the quantitative ejection valve 12 and ejects the aerosol liquid from the pressure-resistant container 10 to the outside. Here, the angle of the ejection opening 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 constant-volume-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 the angle of elevation D (fig. 2(a)), the aerosol 100 is ejected by taking the space treatment constant volume with the hand, and the angle of the ejection axis O of the ejection port with respect to the horizontal plane H when the aerosol liquid is ejected into the space is defined as the ejection direction angle E (fig. 2 (b)). Therefore, the elevation angle D is basically an angle specific to the quantitative aerosol 100 for spatial processing, and the ejection direction angle E is an angle that varies depending on the ejection posture. In the present invention, the injection port 21 has an angle D of elevation of the injection axis O with respect to the horizontal plane H set to 10 ° to 60 °, preferably 15 ° to 50 °, when the pressure-resistant vessel 10 is placed on the horizontal plane H. When the angle of elevation D is 10 ° to 60 °, the aerosol liquid can be easily ejected obliquely upward at an angle of about 30 ° to about 60 ° (that is, the ejection direction angle E is 30 ° to 60 °). If the angle of elevation D is less than 10 °, the pressure-resistant container 10 must be excessively tilted in order to eject the aerosol raw liquid at an angle of about 30 ° to about 60 ° obliquely upward with respect to the horizontal plane H, and thus, when the pressure-resistant container 10 is excessively tilted and ejected, ejection failure may occur. When the angle of elevation D exceeds 60 °, the aerosol raw liquid to be ejected may adhere to fingers or the like for operating the actuator 20. In addition, in fig. 2, the following are illustrated: (a) a fixed-quantity aerosol 100 for space treatment having an elevation angle D set to 60 °; and (b) the space treatment constant-volume aerosol 100 is inclined downward by 15 ° and the spraying direction angle E is set to 45 °.
The number, shape, and size of the ejection ports 21 are not particularly limited. The number of the injection ports 21 may be 1 or 2 or more, but the number of the injection ports 21 is preferably 1 from the viewpoint of easy and low-cost production. In the case of a nozzle or actuator having 2 ejection ports, the injection axis O is defined as a perpendicular bisector of a line segment connecting the centers of the ejection ports 21, and the injection axis O of the ejection ports 21 is defined as follows for a nozzle or actuator having 3 or more ejection ports. In the case where the ejection port 21 is located at the center of the ejection portion of the nozzle or the actuator, an orthogonal line passing through the center of the ejection port 21 at the center is defined as an ejection axis O. In 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 a circumscribed circle of a polygon connecting the centers of the ejection ports 21 is defined as an 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, and the like. The opening area of the jet port 21 is preferably 0.05-8.0 mm2More preferably 0.1 to 4.0mm2More preferably 0.2 to 3.0mm2. For example, when the number of the ejection openings 21 is 1 and the shape of the ejection openings 21 is circular, the size (ejection opening diameter) of the ejection openings 21 is preferably 0.3mm or more, more preferably 0.4mm or more, and still more preferably 0.6mm or more. The nozzle diameter is preferably 3.0mm or less, more preferably 2.0mm or less, and still 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 projecting nozzle or with a non-projecting nozzle, but preferably with a projecting nozzle. In the case of the actuator with a nozzle, the length of the nozzle is not particularly limited, but is preferably 2.0 to 80mm, more preferably 3.0 to 70mm, and particularly preferably 4.0 to 60 mm. The operation button in the actuator 20 may be a push button of a push type or a trigger type.
(Dip tube)
The dip tube 30 is a hollow member made of resin such as polyethylene or polypropylene attached to the fixed quantity injection valve 12, and supplies the aerosol raw liquid and the propellant sealed in the pressure-resistant container 10 to the fixed quantity injection valve 12 when the fixed quantity injection valve 12 is operated. The dip tube 30 itself has a linear shape, but can be bent when attached to the metering jet valve 12 and inserted into the pressure-resistant container 10. Therefore, by appropriately bending the dip tube, the tip 30a can be easily disposed at an appropriate position in the pressure container 10. The tip 30a of the dip tube 30 is attached to the fixed-quantity injection valve 12 so that the height h from the lowermost portion B of the pressure container 10 is 6mm or less, preferably 3mm or less. Here, the lowermost portion B of the pressure-resistant container 10 is a portion closest to the horizontal plane H in the inner surface of the pressure-resistant container 10 when the pressure-resistant container 10 is placed on the horizontal plane H. In the case where the bottom surface of the pressure vessel 10 is dome-shaped as shown in fig. 1, the aerosol raw liquid sealed in the pressure vessel 10 is present in the lowermost portion B until the end in the post-use period of the space-treatment metered-dose aerosol 100. Therefore, by positioning the tip 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 ejected with a slight inclination with respect to the horizontal plane H, the tip 30a is positioned below the liquid surface of the aerosol liquid and the propellant, and the aerosol liquid and the propellant can be reliably supplied to the quantitative spraying valve 12. As a result, the occurrence of ejection failure in the later stage of use of the space treatment metered dose aerosol 100 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 is likely to be higher than the liquid surface of the aerosol raw liquid and the propellant when the pressure-resistant container 10 is slightly inclined with respect to the horizontal plane H during spraying, and as a result, a spraying failure may occur. The dip tube 30 is preferably formed as: a linear shape extending vertically downward with one end attached to the fixed-quantity injection valve 12; a shape that extends vertically downward with one end attached to the fixed-quantity injection valve 12 and is bent at the bent portion 30 b; or a shape that is curved as a whole. Among them, more preferred are: a shape that is curved at the curved portion 30b so that the distal end 30a is positioned near the inner surface S of the pressure vessel 10; or a shape that is curved 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 tip 30a is positioned in the vicinity of the inner surface S of the pressure container 10, the distance d from the inner surface S to the tip 30a of the pressure container 10 is set to 25mm or less, preferably 15mm or less, more preferably 6mm or less, and still more preferably 3mm or less. By setting the distance d from the inner surface S to the distal end 30a to 25mm or less, the aerosol raw liquid and the propellant located in the vicinity of the inner surface S can be reliably supplied to the fixed-amount injection valve 12 even when the pressure-resistant container 10 is obliquely injected with respect to the horizontal plane H, and the occurrence of injection failure can be further suppressed. The front end 30a of dip tube 30 may be machined in various shapes. Fig. 3 is an enlarged cross-sectional view of the front end of a dip tube for quantitatively spraying aerosol for spatial processing, illustrating: (a) an oblique end portion cut obliquely, (b) a U-shaped (concave) cut U-shaped end portion, (c) an arc-shaped (convex) cut arc-shaped end portion, and (d) a right-angled end portion cut at right angles. Among these, preferred is (a) an obliquely cut oblique end, (b) a U-shaped cut U-shaped end, or (c) a circular arc end cut in a circular arc shape. By forming the tip 30a in these shapes, the absorption of the aerosol liquid and the propellant is improved, and the occurrence of ejection failure can be further suppressed.
< Aerosol collagen liquid >
As the aerosol collagen liquid, an aerosol collagen liquid containing, as one of its main components, a control component: (A) vapor pressure at 30 ℃ of less than 1X 10-4mmHg compound (less volatile control component), and (B) has a vapor pressure of 2X 10 at 30 ℃-4～1×10-2A compound of mmHg (volatile control ingredient), or a mixture of (A) and (B). Hereinafter, the aerosol raw liquid a containing a less volatile control component and the aerosol raw liquid B containing a volatile control component will be described.
[ Aerosol collagen solution A ]
As the less volatile control component, which is one of the main components of the aerosol raw liquid a, a creeping pest control compound for controlling creeping pests represented by cockroaches, bugs, ants and the like, and/or an acarid control compound mainly for controlling house dust mites can be used. Examples of the compounds for controlling creeping pests include: pyrethroid compounds such as phenothrin, cyphenothrin, permethrin, cypermethrin, cyfluthrin, bifenthrin, fenpropathrin, tralomethrin, etofenprox, silafluofen, dichlorvos, fenthiothion, fenamiphos, carbamate compounds such as propoxur, dinotefuran, imidacloprid, clothianidin, indoxacarb, and indoxacarb. Of these, preferred are phenothrin (phenothrin), cyphenothrin (cyphenothrin), permethrin (permethrin), cypermethrin (cypermethrin), cyfluthrin (cyfluthrin), bifenthrin (bifenthrin), fenpropathrin (fenpropathrin), tralomethrin (tralomethrin), etofenprox (etofenprox), and dinotefuran (dinotefuran). In addition, when an optical isomer or a geometric isomer based on an asymmetric carbon is present in an acid component or an alcohol moiety of the pyrethroid compound, each of these substances or an arbitrary mixture thereof is also included in the creeping pest control compound. Examples of the mite control compound include: sulfamite (amidoflumet), 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-propynyl butyl carbamate, phenothrin, and culicin (DEET). Of these, preferred are sulfamite esters (amidoflumet), benzyl benzoate, phenyl salicylate, benzyl salicylate, dibutyl sebacate, dipropyl sebacate, dibutyl adipate, diethyl phthalate, dibutyl phthalate, p-menthane-3, 8-diol, phenothrin, and culicin (DEET). The aerosol 100 for constant-volume spraying for space treatment according to the present invention, when a constant volume is sprayed in a treatment space in a room, the spray particles mainly settle on the floor surface as adhesive particles and contain a hardly volatile control component, thereby exhibiting an excellent control effect against, in particular, creeping pests and house dust mites in the treatment space. Further, by containing the less volatile control component, the volatilization of the less volatile control component into the atmosphere from the adhesive particles deposited on the floor surface is suppressed. By this mechanism of action, the space treatment constant-volume aerosol 100 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 90 w/v%, preferably 5 to 80 w/v%, and more preferably 30 to 75 w/v%. When the content of the control component in the aerosol raw liquid a is in the above range, the control component is easily dissolved in the organic solvent, and when the aerosol is sprayed, the sprayed particles are formed in an optimum state.
The aerosol collagen liquid a contains an organic solvent in addition to the control component. The organic solvent is used: the control component can be dissolved to produce an aerosol raw liquid A, and an optimum organic solvent for spraying particles can be formed when the produced aerosol raw liquid A is sprayed. In the space treatment quantitative spray aerosol 100 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 n-paraffin and isoparaffin, 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, and ketone solvents. Among these, lower alcohols having 2 to 3 carbon atoms, hydrocarbon solvents, and higher fatty acid esters having 16 to 20 carbon atoms are preferable. In particular, a lower alcohol having 2 to 3 carbon atoms is more preferable because of the uniformity of the spread of the spray particles and the difficulty in causing stickiness on the exposed surface in the treatment space (for example, the floor surface or wall surface existing in the treatment space, the surface of a structure such as furniture, etc.), particularly 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 raw liquid A is preferably 0.85-1.15, more preferably 0.89-1.10. When the specific gravity of the aerosol liquid a is in the range of 0.85 to 1.15, the aerosol 100 for space treatment of the present invention is sprayed in a predetermined amount in the treatment space indoors, and the sprayed particles mainly settle as adhesive particles and adhere to the floor surface, so that a suitable control effect can be obtained. Further, when the specific gravity of the aerosol liquid A is in the above range, the adherent particles enter the gaps or hidden portions even in the process of settling, and therefore, when a pyrethroid-based compound is used as the control component, the effect of flushing (original text: フラッシング) by which cockroaches or the like run out of the gaps or hidden portions can be sufficiently expected.
In addition to the above components, the aerosol collagen liquid a may be appropriately blended with an antifungal agent, an antibacterial/disinfectant agent, an aromatic agent, a deodorant agent, a stabilizer, an antistatic agent, an antifoaming agent, an excipient, and the like for molds, fungi, and the like. Examples of the antifungal agent, the antibacterial agent and the bactericide include hinokitiol, 2-mercaptobenzothiazole, 2- (4-thiazolyl) benzimidazole, 5-chloro-2-methyl-4-isothiazolin-3-one, azinam, 3-methyl-4-isopropylphenol, o-phenylphenol and the like. Examples of the aromatic agent include: orange oil, lemon oil, lavender oil, peppermint oil, eucalyptus oil, citronella oil, lime oil, grapefruit oil, jasmine oil, hinoki oil (japanese: oil), green tea essential oil, limonene, α -pinene, linalool, geraniol, phenylethyl alcohol, amyl cinnamic aldehyde, cuminaldehyde, benzyl acetate and other fragrance components, and a fragrance component called "green fragrance" which is a blend of geraniol and geranial.
[ Aerosol collagen solution B ]
As a volatile control component, which is one of the main components of the aerosol raw liquid B, a pest control compound for controlling flying pests such as mosquitoes and flies, creeping pests such as cockroaches, bugs and ants, and pests such as house dust mites can be used. Examples of the pest control compound include: metofluthrin, Profluthrin, transfluthrin, empenthrin, cyclopentenopropythrin, and furamethrin. Among these, metofluthrin (methofluthrin), proffluthrin (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 an asymmetric carbon exists in the acid component or the alcohol moiety of these compounds, these individual substances or an arbitrary mixture thereof is also included in the volatile control component. When a predetermined amount of the aerosol 100 for space treatment of the present invention is sprayed into a treatment space in a room, the spray particles containing the volatile control component mainly settle as adhesive particles and adhere to exposed surfaces (for example, floor surfaces or wall surfaces existing in the treatment space, surfaces of structures such as furniture, etc.), particularly floor surfaces, of the treatment space, and thereby exhibit an excellent control effect against flying pests, creeping pests, or indoor dust mites in the treatment space.
The content of the control component in the aerosol stock solution B is 1 to 90 w/v%, preferably 5 to 80 w/v%, and more preferably 8 to 75 w/v%. When the content of the control component in the aerosol raw liquid B is in the above range, the control component is easily dissolved in the organic solvent, and when the aerosol is sprayed, the sprayed particles are formed in an optimum state.
The aerosol collagen liquid B contains an organic solvent in addition to the control component. The organic solvent is used: the aerosol raw liquid B can be prepared by dissolving the control component, and an optimum organic solvent for spraying the particles can be formed when the prepared aerosol raw liquid B is sprayed. The organic solvent that can be used in the aerosol liquid B is the same as that used in the aerosol raw liquid a.
The specific gravity of the aerosol raw liquid B is preferably 0.78-1.15, and more preferably 0.82-1.10. When the specific gravity of the aerosol collagen liquid B is in the range of 0.78 to 1.15, the aerosol 100 for space treatment of the present invention is sprayed in a predetermined amount in the treatment space indoors, and the sprayed particles are uniformly adhered to the exposed surface mainly as adhesive particles, so that a suitable control effect can be obtained.
In addition to the above components, the aerosol collagen liquid B may be appropriately blended with an antifungal agent, an antibacterial/disinfectant agent, an aromatic agent, a deodorant agent, a stabilizer, an antistatic agent, an antifoaming agent, an excipient, and the like for molds, fungi, and the like. These additional components are the same as those added to the aerosol collagen liquid a.
[ mixture of Aerosol liquid A and Aerosol liquid B ]
When the mixture of the aerosol raw liquid a and the aerosol raw liquid B is used as the aerosol collagen liquid (a + B), all of flying pests, creeping pests, and house dust mites can be effectively controlled, and the aerosol composition can be used in a wide range of applications. That is, when the aerosol 100 for constant-volume air treatment according to the present invention is injected in a constant volume into a treatment space in a room, the spray particles containing the volatile control components derived from the aerosol raw liquid B mainly settle as adhesive particles and adhere to exposed surfaces (for example, floor surfaces or wall surfaces present in the treatment space, surfaces of structures such as furniture, etc.) in the treatment space, particularly floor surfaces, and thus exhibit excellent control effects against flying pests, creeping pests, and house dust mites in the treatment space. Here, by including a volatile control component derived from the aerosol raw liquid B as a control component, a certain amount of spray particles floating in the air can exhibit a control effect against flying pests. Further, when the volatile control components derived from the aerosol raw liquid B are adhered to a part of the floor surface or wall surface together with the less volatile control components derived from the aerosol raw liquid a, the control effect against the crawling insect pests and/or house dust mites can be synergistically improved.
< propellant >
Examples of the propellant used for the space treatment quantitative injection aerosol 100 of the present invention include liquefied gases such as Liquefied Petroleum Gas (LPG), dimethyl ether (DME), and hydrofluoroolefins, and compressed 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 used as a main component.
In the space treatment metered-dose aerosol 100 of the present invention, the volume ratio (a/b) of the aerosol raw liquid (a) and the propellant (b) filled in the pressure-resistant container 10 is preferably adjusted to 10/90 to 50/50 in terms of volume ratio. When the capacity ratio (a/b) is within the above range, a sufficient amount of the control component can be uniformly diffused to the entire exposed surface, particularly the entire floor surface.
In the present invention, the jet force of the aerosol 100 for space treatment is preferably 5 to 50gf at a position 5cm away from the jet port 21. When the spraying force is in the above range, the sprayed aerosol raw liquid uniformly settles and adheres to an exposed surface in the treatment space (for example, a floor surface or a wall surface existing in the treatment space, a surface of a structure such as furniture, or the like), particularly the entire floor surface, and a practically sufficient control effect against flying pests, creeping pests, and mites is obtained. If the ejection force is less than 5gf, the ejection force is insufficient and the diffusion property to the entire exposed surface tends to be insufficient. If the ejection force exceeds 50gf, good diffusibility of the ejected aerosol collagen liquid may not be obtained. Such ejection force can be appropriately adjusted by the composition of the aerosol liquid, the internal pressure of the pressure resistant container 10, the shape of the ejection port 21, and the like.
< control of target pests >
The aerosol 100 for space treatment of the present invention can be used for controlling various pests including: mosquitoes such as culex pipiens pallens, aedes albopictus, aedes aegypti, culex infested, flies such as houseflies and drosophila, flies such as musca parviflora, mothflies, midges, membranous wings, moths, etc., cockroaches such as american cockroach, black chest cockroach, german cockroach, bed bugs (bed bugs), stinks such as bedbugs (flatheaded bugs), stinks such as tea bug, stinks such as japanese brown ants, sole leaf ants, black brown ants, little yellow house ants, ants such as tropical fire ants, ants such as red fire ants, heteropod spider mites, spiders such as spider mites, red back spiders, etc., centipedes such as centipedes, psylla chinensis, wood louse, wood worms, white beetles, white house termites, termites such as yellow mealworm termites, stodes such as caterpillars, etc., stolones such as chlamydomonas clothia armyworms, clothes pests such as bark beetles, bark beetle larvae, etc., clothes moth, black dust beetles, etc., clothes storage grain beetles, etc, House dust mites such as tarsonchus taratus, carnivorous mites, house dust mites (house dust mite), and the like. In particular, the composition can effectively prevent and kill cockroaches such as periplaneta americana, periplaneta americana and periplaneta germanica, stinks such as bedbugs and bedbugs (bed bugs), imported black ants such as bedbugs and bedbugs, imported brown ants such as imported black ants, imported double-pin chest leaf ants, black brown ants, little yellow house ants, tropical fire ants, red fire ants, etc., stolonies such as heterophyllous spider mites, spider mites such as spider mites and red-back spiders, etc., powdery mites, epidermal mites, tarsal mites, carnivorous mites, house dust mites, etc., and particularly, the composition can exert an excellent control effect on indoor dust mites such as periplaneta germanica, periplaneta americana, black chest cockroach and bedbugs (bed bugs).
< object to be processed >
The object to be treated by the space treatment aerosol 100 of the present invention is mainly an indoor space. The volume of the treatment space is not particularly limited, but the volume of a room corresponding to 4.5 to 16 slump is preferably 18.8 to 66.6m3(area 7.5-26.6 m)22.2 to 3.0m) higher, more preferably 18.8 to 33.3m in the volume of a room corresponding to 4.5 to 8 slump3(area 7.5 to 13.3 m)2And the height is 2.2-3.0 m). However, even in an indoor space having a larger volume or an indoor space having a smaller volume, the amount of the control component released in the atmosphere of the indoor space is set to 0.1 to 50mg/m in accordance with the volume of the indoor space3By appropriately setting the number of injections, the injection volume, 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 aerosol for space treatment of the present invention may be applied so that the amount of the control component to be released falls within the above range at an appropriate time, depending on the frequency and situation of occurrence of pests.
Examples
The quantitative aerosol for space treatment according to the present invention was further studied in detail based on examples 1 to 49 and comparative examples 1 to 7. In order to confirm the effect of the aerosol for space treatment of the present invention, a metered-dose aerosol for space treatment having the characteristic configuration of the present invention was produced (examples 1 to 49), and a spray test was performed. For comparison, a constant-volume aerosol for space treatment (comparative examples 1 to 7) not having the characteristic structure 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 less volatile control component in ethanol. This aerosol stock solution A3.5mL and liquefied petroleum gas 5.3mL as a propellant were charged under pressure into a pressure-resistant vessel equipped with a quantitative spray valve having a spray capacity of 0.4 mL. The filling amount theoretically enables a maximum of 22 metered injections. An actuator having an ejection port at which an ejection axis is at an angle of elevation (D) of 60 ° with respect to the horizontal plane when the pressure container is placed on the horizontal plane was attached to the quantitative aerosol valve of the pressure container, thereby obtaining a quantitative aerosol for space treatment of example 1. In the aerosol for constant volume injection for space treatment of example 1, the dip tube was attached to the constant volume injection valve so that the height (h) of the tip from the lowermost part of the pressure-resistant container was 1mm in the pressure-resistant container using a U-shaped cutter. The ejection force of the quantitative aerosol for space treatment of example 1 was 15gf at a 5cm ejection distance.
Examples 2 to 24 and comparative examples 1 to 5
According to example 1, the metered-dose aerosol for space treatment of examples 2 to 24 and comparative examples 1 to 5 were prepared in the composition shown in table 1. With respect to the aerosol for the space treatment fixed-quantity injection in examples 16, 17, 21, 22, 23 and 24, even in the case of using a fixed-quantity spray valve having an injection capacity of 0.2mL or 1.0mL, the amount of the aerosol filled into the pressure-resistant container was adjusted so that the fixed-quantity injection could be theoretically performed at most 22 times.
< injection test (injection angle 45 degree) >
The aerosol for space treatment of examples 1 to 24 and comparative examples 1 to 5 was sprayed with a fixed amount so that the spraying axis of the spraying port was at a spraying angle of 45 ° with respect to the horizontal plane, and the spraying was repeated. Before starting to count the number of injections, 2 times of idle injections were performed, and then the number of injections until normal injection was not possible was counted. In the present embodiment, the phrase "normal injection is not" is synonymous with the aforementioned "injection failure", and means that the volume actually injected by the operation of the actuator is less than 85% of the injection volume of the fixed quantity injection valve. The same applies to the following embodiments. The test was repeated 4 times for each of the space treatment constant-volume aerosol sprays, and the ejection failure suppression effect was evaluated based on the average value of the number of sprays by the following evaluation criteria.
(evaluation criteria)
A: more than 18 times
B: 16 or 17 times
C: 14 or 15 times
D: less than 14 times
In addition, in the case where the ejection failure occurred from 1 or more of the 4 tests to the 2 nd count, it was determined that the ejection failure occurred 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 where the chemical was sprayed obliquely upward at 45 ° to the horizontal plane, the number of times of spraying until normal spraying was not less than 14 in the aerosol for the quantitative spraying for space treatment in examples 1 to 24, and the occurrence of the spraying failure in the later stage of use was suppressed. Among them, the aerosol for the quantitative spraying for the space treatment of examples 1 to 6, 8 to 19, and 21 to 24, in which the actuator having the spraying port provided so that the spraying axis has an angle of elevation of 15 ° or more with respect to the horizontal plane when the pressure vessel is placed on the horizontal plane and the dip tube having the tip cut in a U-shape or an oblique direction is used, is particularly excellent in the effect of suppressing the spraying failure in the later stage of use. In addition, the aerosol for space treatment of examples 1 to 24 was not sprayed at the initial stage of use.
In contrast, in the aerosol for the space treatment of comparative examples 1 to 5, the number of times of ejection until normal ejection was impossible was 13 or less, and the occurrence of ejection failure in the later stage of use was not sufficiently suppressed. Further, the aerosol for space treatment of comparative examples 1 to 3 and 5 had ejection failure at the initial stage of use.
Examples 25 to 32 and comparative examples 6 and 7
According to example 1, the metered-dose aerosol for space treatment of examples 25 to 32 and comparative examples 6 and 7 were prepared with the composition shown in table 2.
< injection test (injection angle 30 degree) >
The aerosol for space treatment of examples 25 to 32 and comparative examples 6 and 7 was sprayed with a fixed amount so that the spraying axis of the spraying port was at a spraying angle of 30 ° with respect to the horizontal plane, and the spraying was repeated. Before starting to count the number of injections, 2 times of idle injections were performed, and then the number of injections until normal injection was not performed was counted. The test was repeated 4 times for each of the space treatment constant-volume aerosol sprays, and the ejection failure suppression effect was evaluated based on the average value of the number of sprays by the following evaluation criteria.
(evaluation criteria)
A: more than 18 times
B: 16 or 17 times
C: 14 or 15 times
D: less than 14 times
In addition, in the case where the ejection failure occurred not less than once in the 4 tests until the 2 nd time from the start of counting, it was determined that the ejection failure occurred 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 where the chemical was sprayed obliquely upward at 30 ° with respect to the horizontal plane, the number of times of spraying until normal spraying was not less than 15 for the quantitative-spraying aerosols for space treatment in examples 25 to 32, and the occurrence of the spraying failure in the later stage of use was suppressed. Among these, the aerosol for constant-volume spraying for space treatment of examples 26 to 32, to which the actuator having the spraying port provided so that the spraying axis forms an angle of elevation of 50 ° or less with respect to the horizontal plane when the pressure vessel is placed on the horizontal plane was mounted, was particularly excellent in the effect of suppressing the poor spraying in the later stage of use. In addition, the aerosol for space treatment of examples 25 to 32 was not sprayed at the initial stage of use.
In contrast, the number of times of ejection until normal ejection was not more than 14 for the space treatment constant injection aerosols of comparative examples 6 and 7, and the ejection failure suppression effect in the later stage of use was inferior to that of the space treatment constant injection aerosols of examples 25 to 32. Further, the aerosol for space treatment of comparative examples 6 and 7 was also used in a fixed amount, and a defective ejection occurred in the initial stage of use.
[ example 33]
Aerosol collagen solution A2.7mL and liquefied petroleum gas 6.1mL as propellant were filled in a pressure-resistant container under pressure. Further, a space-treatment metered-dose aerosol of example 33 was obtained by the same procedure as that of the space-treatment metered-dose aerosol of example 1.
[ examples 34 to 38]
According to example 33, the metered-dose aerosol for space treatment of examples 34 to 38 was produced in the composition shown in table 3.
< injection test (injection angle 60 degree) >
The aerosol for space treatment of fixed examples 33 to 38 was sprayed in a fixed amount so that the spraying axis of the spraying port was at a spraying angle of 60 ° with respect to the horizontal plane, and the spraying was repeated. Before starting to count the number of injections, 2 times of idle injections were performed, and then the number of injections until normal injection was not possible was counted. The test was repeated 4 times for each of the space treatment constant-volume aerosol sprays, and the ejection failure suppression effect was evaluated based on the average value of the number of sprays by the following evaluation criteria.
(evaluation criteria)
A: more than 18 times
B: 16 times or 17 times
C: 14 or 15 times
D: less than 14 times
In addition, in the case where the ejection failure occurred from 1 or more of the 4 tests to the 2 nd count, it was determined that the ejection failure occurred 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 where the chemical was sprayed obliquely upward at 60 ° with respect to the horizontal plane, the number of times of spraying until normal spraying was not less than 15 for the quantitative-spraying aerosols for space treatment in examples 33 to 38, and the occurrence of the spraying failure in the later stage of use was suppressed. Among them, the aerosol for constant-volume jetting for space treatment of examples 34 to 36, to which the actuator having the jetting port provided so that the jetting axis forms an angle of elevation of 40 ° to 50 ° with respect to the horizontal plane when the pressure vessel is placed on the horizontal plane was attached, was particularly excellent in the effect of suppressing jetting failure in the later stage of use. In addition, the aerosol for space treatment of examples 33 to 38 did not cause ejection failure in the initial stage of use.
Examples 39 and 40
According to example 1, each of the space treatment metered dose aerosols of examples 39 and 40 was produced with the configuration shown in table 4. In the case of the quantitative aerosol for spatial processing of examples 39 and 40, even when a quantitative aerosol valve having an ejection capacity of 0.2mL or 2.0mL was used, the amount of the aerosol filled into the pressure-resistant container was adjusted so that a maximum of 22 quantitative ejections could theoretically be performed.
< diffusion uniformity test >
In the closed volume of 25m3Room (area 10 m)2And 2.5m high) is provided with a 20 x 20cm glass plate at 6-8 positions of the floor surface. The aerosol for space treatment of examples 13 to 17, 39 and 40 was subjected to constant volume spraying treatment while maintaining the constant volume spraying aerosol at the center of the room and at a height of 1.5m so that the spraying axis of the spraying port was at a spraying angle of 45 ° with respect to the horizontal plane. After 1 hour from the spraying treatment, all the glass plates were taken out, and the control components adhered to each glass plate were washed out with acetone and analyzed by a gas chromatograph. The dispersion of the sprayed particles was evaluated by analyzing the dispersion between the glass plates for the control components adhering to the glass plates. The results are expressed in 3 stages of A, B, C in order of good diffusion uniformity. The above-described injection test (injection angle 45 °) was performed on the aerosol for the quantitative injection for the space treatment in examples 39 and 40. The results of the ejection test (ejection angle 45 °) and the diffusion uniformity test are shown in table 4.
[ Table 4]
As a result of the test, in the case where the chemical was sprayed obliquely upward at 45 ° with respect to the horizontal plane, the occurrence of ejection failure was suppressed in both the initial stage of use and the latter stage of use in the same manner as in the case of the constant-volume aerosol for space treatment of examples 13 to 17 with respect to the constant-volume aerosol for space treatment of examples 39 and 40. However, the dispersion uniformity of the metered dose aerosols for space treatment in examples 39 and 40 was inferior to that of the metered dose aerosols for space treatment in examples 13 to 17. It is thus assumed that: in order to improve the diffusion uniformity, it is preferable to set the ejection force at an ejection distance of 5cm to a range of 5 to 50gf, as in the case of the aerosol for space treatment of examples 13 to 17.
[ example 41]
The control components of aerosol raw liquid a in the space treatment aerosol for constant-volume spraying in example 1 were changed to phenothrin (53 w/v%) as a less volatile control component and metofluthrin (0.7 w/v%) as a volatile control component, and the filling amount of aerosol liquid (a + B) was changed to 2.6mL and 6.2mL of propellant. In addition, the actuator is changed to: an actuator having an ejection port is provided so that the ejection axis forms an angle of elevation of 45 DEG with respect to the horizontal plane when the pressure-resistant vessel is placed on the horizontal plane. In addition, a constant volume aerosol for space treatment of example 41 was obtained in the same manner as the constant volume aerosol for space treatment of example 1.
[ example 42]
The control components of aerosol raw liquid a in the space treatment aerosol for constant jetting were changed to cyphenothrin (38 w/v%) as a less volatile control component and transfluthrin (0.7 w/v%) as a volatile control component, and the filling amount of aerosol raw liquid (a + B) and propellant were changed to 1.8mL and 7.0mL, respectively, in the pressure-resistant container in example 1. In addition, the actuator is changed to: an actuator having an ejection port is provided so that the ejection axis forms an angle of elevation of 45 DEG with respect to the horizontal plane when the pressure-resistant vessel is placed on the horizontal plane. In addition, a metered dose aerosol for space treatment of example 42 was obtained in the same manner as in the metered dose aerosol for space treatment of example 1.
[ example 43]
The control component of aerosol raw liquid a in the space treatment quantitative spraying aerosol of example 1 was changed to permethrin (60 w/v%) as a less volatile control component, the organic solvent was changed to isopropyl alcohol, and the filling amount of the pressure resistant container was changed to aerosol liquid a2.6mL and spraying agent 6.2 mL. In addition, the actuator is changed to: an actuator having an ejection port is provided so that the ejection axis forms an angle of elevation of 45 DEG with respect to the horizontal plane when the pressure-resistant vessel is placed on the horizontal plane. In addition, a constant-volume aerosol for space treatment of example 43 was produced in the same manner as the constant-volume aerosol for space treatment of example 1.
[ example 44]
The control component of aerosol raw liquid a in the space treatment quantitative spraying aerosol of example 1 was changed to phenothrin (53 w/v%) as a less volatile control component, the organic solvent was changed to Neo-chiozol (an n-alkane solvent), and the filling amount of the pressure resistant container was changed to aerosol liquid a2.6mL and spraying agent 6.2 mL. In addition, the actuator is changed to: an actuator having an ejection port is provided so that the ejection axis forms an angle of elevation of 45 DEG with respect to the horizontal plane when the pressure-resistant vessel is placed on the horizontal plane. Further, a space treatment constant volume aerosol of example 44 was obtained in the same manner as the space treatment constant volume aerosol of example 1.
[ example 45]
The control component of aerosol stock solution a in the space treatment quantitative spraying aerosol 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 of the pressure vessel was changed to aerosol liquid a2.6mL and spraying agent 6.2 mL. In addition, the actuators are changed to: an actuator having an ejection port is provided so that the ejection axis forms an angle of elevation of 45 DEG with respect to the horizontal plane when the pressure-resistant vessel is placed on the horizontal plane. In addition, a constant volume aerosol for space treatment of example 45 was obtained in the same manner as the constant volume aerosol for space treatment of example 1.
[ example 46]
The control component of aerosol raw liquid a in the space treatment quantitative spraying aerosol of example 1 was changed to permethrin (permethrin) as a less volatile control component (60 w/v%), the organic solvent was changed to IP Clean LX (isoparaffin solvent), and the filling amount of aerosol raw liquid a2.2mL and spraying agent 6.6mL in the pressure resistant container were changed. In addition, the actuator is changed to: an actuator having an ejection port is provided so that the ejection axis forms an angle of elevation of 45 DEG with respect to the horizontal plane when the pressure-resistant vessel is placed on the horizontal plane. Further, a space treatment constant volume aerosol of example 46 was obtained in the same manner as the space treatment constant volume aerosol of example 1.
The aerosol was injected by the fixed amount for space treatment in examples 41 to 46, and the above-mentioned "injection test (injection angle 30 °)," injection test (injection angle 45 °), "injection test (injection angle 60 °), and" diffusion uniformity test "were carried out. The test results confirm that: the aerosol for constant jetting for space treatment of examples 41 to 46, in which the composition of the aerosol raw liquid a containing the less volatile control component or the aerosol collagen liquid (a + B) containing the less volatile control component and the volatile control component, and the volume ratios of the aerosol collagen liquid filled in the pressure-resistant container and the propellant were different from each other, exhibited good diffusion uniformity while suppressing the occurrence of jetting failures in the initial stage of use and in the later stage of use at jetting angles of 30 °, 45 ° and 60 °. It is thus assumed that: the ejection failure suppression effect and the diffusion uniformity improvement effect are obtained not by setting the composition of the aerosol liquid and the volume ratio of the aerosol liquid filled in the pressure-resistant container to the ejection agent, but by appropriately setting the height (h) of the tip of the dip tube and the angle of elevation (D) of the ejection port (ejection axis).
[ example 47]
The control components of aerosol liquid a in the space treatment quantitative spraying aerosol of example 1 were changed to transfluthrin (8 w/v%) as a volatile control component, the organic solvent was changed to ethanol, and the filling amount of the pressure resistant container was changed to aerosol liquid B2.6 mL and spraying agent 6.2 mL. In addition, the actuator is changed to: an actuator having an ejection port is provided so that the ejection axis forms an angle of elevation of 45 DEG with respect to the horizontal plane when the pressure-resistant vessel is placed on the horizontal plane. In addition, a space treatment constant volume blasting aerosol of example 47 was obtained in the same manner as the space treatment constant volume blasting aerosol of example 1.
[ example 48]
The control components of aerosol liquid a in the space treatment quantitative spray aerosol of example 1 were changed to transfluthrin (40 w/v%) as a volatile control component, the organic solvent was changed to isopropyl alcohol, and the filling amount of aerosol liquid B and spray agent were changed to 2.6mL and 6.2mL, respectively. In addition, the actuator is changed to: an actuator having an ejection port is provided so that the ejection axis forms an angle of elevation of 45 DEG with respect to the horizontal plane when the pressure-resistant vessel is placed on the horizontal plane. In addition, a metered dose aerosol for space treatment of example 48 was obtained in the same manner as in the metered dose aerosol for space treatment of example 1.
[ example 49]
The control components of aerosol liquid a in the space treatment quantitative spray aerosol of example 1 were changed to metofluthrin (20 w/v%) as a volatile control component, the organic solvent was changed to Neo-chiozol (n-alkane solvent), and the filling amount of aerosol liquid B and the spray agent were changed to 2.6mL and 6.2mL, respectively. In addition, the actuator is changed to: an actuator having an ejection port is provided so that the ejection axis forms an angle of elevation of 45 DEG with respect to the horizontal plane when the pressure-resistant vessel is placed on the horizontal plane. In addition, a constant volume aerosol for space treatment of example 49 was obtained in the same manner as the constant volume aerosol for space treatment of example 1.
The aerosol was injected by the fixed amount for space treatment in examples 47 to 49, and the above-mentioned "injection test (injection angle 30 °)," injection test (injection angle 45 °), "injection test (injection angle 60 °), and" diffusion uniformity test "were carried out. The test results confirm that: the aerosol for space treatment of examples 47 to 49, which contained the aerosol collagen liquid B containing the volatile control component, was sprayed at a spray angle of 30 °, 45 ° and 60 °, and the occurrence of defective spraying was suppressed in the initial stage and the later stage of use, and good diffusion uniformity was exhibited. From this it is also believed that: the ejection failure suppression effect and the diffusion uniformity improvement effect are obtained not by setting the composition of the aerosol liquid and the volume ratio of the aerosol liquid filled in the pressure-resistant container to the ejection agent, but by appropriately setting the height (h) of the tip of the dip tube and the angle of elevation (D) of the ejection port (ejection axis).
Industrial applicability
The aerosol for space 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
21 jet orifice
30 dip tube
Front end of 30a dip tube
Metered dose aerosol for 100-space processing
D elevation angle
H horizontal plane
O-jet shaft
Inner side surface of S pressure-resistant container
Claims (8)
1. A metered-dose aerosol for space treatment, comprising: a pressure-resistant container provided with a quantitative injection valve and enclosing an aerosol liquid containing a control component and an injection agent; an actuator provided with an injection port connected to the fixed-quantity injection valve; and a dip tube for supplying the aerosol liquid and the propellant to the constant-volume injection valve,
the front end of the dip tube is positioned at a height of 6mm or less from the lowest part of the pressure vessel, and
when the pressure-resistant container is placed on a horizontal plane, the injection axis of the injection port has an elevation angle of 10 to 60 degrees with respect to the horizontal plane.
2. The space-treating metered-dose aerosol according to claim 1, wherein the control component has a vapor pressure of less than 1X 10 at 30 ℃-4A hardly volatile control component of mmHg.
3. The metered-dose aerosol for spatial processing according to claim 1, wherein the control component has a vapor pressure of 2X 10 at 30 ℃-4mmHg～1×10-2A volatile control component of mmHg.
4. The space-treating metered-dose aerosol according to claim 1, wherein the control component has a vapor pressure of less than 1X 10 at 30 ℃-4The vapor pressure of the components difficult to volatilize in mmHg at 30 deg.C is 2 × 10-4mmHg～1×10- 2A volatile control component of mmHg.
5. The space-treatment quantitative injection aerosol as claimed in any one of claims 1 to 4, wherein an injection axis of the injection port is at an elevation angle of 15 ° to 50 ° with respect to the horizontal plane.
6. The space-treatment metered-dose aerosol according to any one of claims 1 to 5, wherein the dip tube tip is located at a height of 3mm or less from a lowermost portion of the pressure-resistant container.
7. The metered-dose aerosol for space treatment according to any one of claims 1 to 6, wherein a spray force at a spray distance of 5cm is set to 5gf to 50 gf.
8. The space-treatment metered-dose aerosol according to any one of claims 1 to 7, wherein the dip tube is configured to be bendable 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 true CN114599226A (en) | 2022-06-07 |
| CN114599226B 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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| WO2021090742A1 (en) | 2021-05-14 |
| TW202126171A (en) | 2021-07-16 |
| CN114599226B (en) | 2024-01-12 |
| TWI772949B (en) | 2022-08-01 |
| JPWO2021090742A1 (en) | 2021-12-02 |
| JP7427009B2 (en) | 2024-02-02 |
| JP2022103175A (en) | 2022-07-07 |
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