Powder composition, paint composition, and coating film

Abstract

The present invention provides a powder composition that enables efficient and simple support for searching for or tracking missing persons, such as elderly people who wander or lost children, and particularly a powder composition for supporting the search for or tracking of missing persons. [Solution] The powder composition 1 of this invention contains porous particles and a fragrance component supported on the porous particles, wherein the porous particles, as primary particles, have one or more macropores and one or more micropores smaller in size than the macropores, and the fragrance component is selected from substances that have a boiling point of 150°C or higher and are liquid at 10°C to 30°C.

Description

Technical Field

[0001] This invention relates to a powder composition. More specifically, it relates to a powder composition, a paint composition, a coating film, and a method for assisting in searching for a search target or tracking a tracking target that enable the search for a search target or the tracking of a tracking target.

Background Art

[0002] Conventionally, it has not been easy to search for and discover / protect missing search targets such as wandering elderly people and lost children. Therefore, technologies for efficiently searching for such search targets have been proposed.

[0003] In Japanese Patent Application Laid-Open No. 2002-106523 (Patent Document 1), a wardship network system for preventing wandering and missing persons is proposed, in which a protected person such as a dementia patient can wear a lightweight and small portable wireless communication device without physical or mental burden, enabling free daily outings to the neighborhood, and can notify the guardian of the protected person of the current position of the protected person only when the protected person takes an outdoor action that approaches a place judged to be highly dangerous for the protected person.

[0004] This network system for preventing missing persons from wandering off includes a portable wireless communication device that transmits beacon ID information that can be carried by the person under protection, and multiple wireless LAN base stations connected to at least one communication network are scattered throughout a predetermined area that includes the safe area of ​​the person under protection and other dangerous areas. The wireless LAN base stations are equipped with wireless receivers that can transmit detection signals, including the beacon ID information received from the portable wireless communication device and their own gate ID information, to at least one specific server via the wireless LAN base station. The system also includes a personal information storage device that stores the contact information of the guardian of the person under protection associated with the beacon ID information, and the gate ID of the wireless receiver. The system comprises a gate information storage device that stores D information and the installation location of wireless receivers in association, a tracking information storage device that can store data received from each wireless receiver, and a specific server that is connected to at least one of the communication networks and can write data received from each wireless receiver to the tracking information storage device, and has a notification decision software that can automatically make a decision based on the criteria for determining safe areas and dangerous areas set in advance for each protected person, by referring to at least one of the received data, the records in the tracking information storage device and the records in the gate information storage device, and an emergency contact software, and a guard program that can integrally control these.

[0005] Japanese Patent Publication No. 2017-111506 (Patent Document 2) proposes a monitoring system that facilitates the search for a person under monitoring who goes out and goes missing when the caregiver is not paying attention, and reduces the burden on caregivers who are monitoring the elderly or children.

[0006] This monitoring system uses a camera with facial recognition capabilities, An information processing device that has registered the email address of the caregiver's communication terminal, Equipped with, The camera and the information processing device are each connected to the internet. The aforementioned camera has facial recognition data of the person being monitored registered in it. When the camera detects a person to be monitored in the captured image, it records a video for a certain period of time and transmits the video to the information processing device via the internet. The information processing device stores the video received from the camera in a storage unit, generates a URL (Uniform Resource Locator) for accessing the video in the storage unit from the Internet, and sends an email containing the URL to the email address registered in the information processing device in association with the camera. [Prior art documents] [Patent Documents]

[0007] [Patent Document 1] Japanese Patent Publication No. 2017-126967 (Claims, Figure 1) [Patent Document 2] Japanese Patent Publication No. 2017-111506 (Claims, Figure 1) [Overview of the Initiative] [Problems that the invention aims to solve]

[0008] In the network system for preventing missing persons who wander off as described in Patent Document 1, the person being protected, i.e., the person being searched for, must possess a portable wireless communication device that transmits beacon ID information, and furthermore, multiple wireless LAN base stations must be scattered over a wide area, such as the safe area of ​​the person being protected.

[0009] In the monitoring system disclosed in Patent Document 2, facial recognition data of the person being monitored is registered in all cameras equipped with facial recognition capabilities to detect the person being monitored. Therefore, many cameras need to be installed in order to enable the search for the person being monitored. Furthermore, as the number of cameras increases, facial recognition data of the person being monitored must be transmitted to many cameras, which may increase the load on the information processing equipment and network, potentially reducing the efficiency of the search for the person being monitored.

[0010] Therefore, there is a need to provide simpler and easier-to-implement methods for supporting the search for targets and tracking of targets.

[0011] In view of the current situation, this invention aims to provide a powder composition, particularly a powder composition for supporting the search of a target or the tracking of a target, a coating composition containing the same, a coating film, and a method for supporting the search of a target or the tracking of a target, that can efficiently and easily support the search of a target or the tracking of a target. [Means for solving the problem]

[0012] In other words, the invention described in claim 1 of this invention is, It contains porous particles and fragrance components supported on the porous particles, The porous particles, as primary particles, have one or more macropores and one or more micropores smaller in size than the macropores. The aforementioned fragrance component has a boiling point of 150°C or higher and is liquid at temperatures between 10°C and 30°C. of material The ingredients are capric acid, palmitic acid, amyl methyl ketone, and diethyl succinate. To be selected from Characterized by For assisting in the search for a target or tracking a target. It is a powder composition.

[0013] Claims of this invention 2 The invention described is Claim 1 As described For assisting in the search for a target or tracking a target. In a powder composition, The aforementioned fragrance components are, It is located inside the aforementioned macropore. It is characterized by the following:

[0014] Claims of this invention 3 The invention described is The claim described in claim 1 or 2 For assisting in the search for a target or tracking a target. In a powder composition, The macropores and the micropores smaller in size than the macropores are, They are configured to penetrate each other. It is characterized by the following.

[0015] The invention according to the claims of this invention 4 is In the powder composition according to claim 1 or 2 For assisting in the search for a target or tracking a target. where the macropores have a size of 1 μm or more and 2 μm or less in diameter, pores having a size smaller than the macropores have a size of 3 nm or more and 6 nm or less in diameter and are characterized by the following.

[0016] The invention according to the claims of this invention 5 is In the powder composition according to claim 1 or 2 For assisting in the search for a target or tracking a target. where the porous particles are composed of porous silica fine particles and are characterized by the following.

[0017] The invention according to the claims of this invention 6 is A method for producing a powder composition according to claim 1 or 2 For assisting in the search for a target or tracking a target. which includes a step of immersing and impregnating a solution containing the fragrance component into the porous particles under reduced pressure to support the fragrance component on the porous particles and is characterized by the following is a method for producing a powder composition. For assisting in the search for a target or tracking a target.

[0018] The invention according to the claims of this invention 7 is A paint composition containing a powder composition, a solvent and / or a synthetic resin emulsion, where the powder composition For assisting in the search for a target or tracking a target. is the powder composition according to claim 1 or 2 and the solvent is water or a mixed solvent of water and a solvent compatible with it For assisting in the search for a target or tracking a target. and is characterized by the following​

[0019] Claims of this invention 8 The invention described is Claim 7 As described For assisting in the search for a target or tracking a target. Obtained by applying a paint composition. This coating film is characterized by the following:

[0020] Claims of this invention 9 The invention described is The device comprises a container and a powder composition to be placed into the container, The aforementioned container is The aforementioned powder composition has a plurality of holes formed to allow it to pass through, The aforementioned powder composition is The claim described in claim 1 or 2 For assisting in the search for a target or tracking a target. It is a powder composition. This is a device that assists in tracking a search or tracking target, characterized by the following features.

[0021] Claims of this invention 10 The invention described is The system comprises an object to be coated, and a coating film formed by applying, spraying, impregnating, or printing a coating composition onto the surface of the object to be coated. The aforementioned paint composition is Claim 7 As described For assisting in the search for a target or tracking a target. It is a paint composition. This is a support device for searching for a target or tracking a target, characterized by the following features.

[0022] Claims of this invention 11 The invention described is In methods for supporting the search for a target or the tracking of a target, (i) The subject of the search or the subject of the tracking, 9 The claim provides a device to assist in the search of the target to be searched or the tracking of the target to be tracked, and / or based on the range of action of the target to be searched or the target to be tracked. 10 The process of attaching a coating to the search target or the tracking target by arranging a support device for searching the search target or tracking the tracking target described above, and (b) A step of tracking powder composition that has fallen or detached from the search target or tracking target support device provided by the search target or tracking target, and / or at least a portion of the coating that has detached or peeled off from the coating attached to the search target or tracking target, using means capable of identifying the fragrance component. including This is a method of supporting the search for a target or the tracking of a target, characterized by the following features. [Effects of the Invention]

[0023] The powder composition of this invention contains porous particles, preferably porous silica fine particles, and a fragrance component, wherein the porous particles, as primary particles, have one or more macropores and one or more fine pores smaller than the macropores, and the fragrance component is a substance having a boiling point of 150°C or higher and being liquid at 10°C to 30°C, preferably selected from capric acid, palmitic acid, amyl methyl ketone, and diethyl succinate. Therefore, the fragrance or smell of the fragrance contained in the powder composition can be tracked or assisted in tracking using a device capable of discriminating or identifying it, or using a predetermined means of discrimination or identification such as an animal like a dog. Therefore, the powder composition can be placed in a container or the like and prepared in advance for the target (something that may be the target of search or tracking). By tracking the fragrance or smell of the fragrance contained in the powder composition using a device that can identify or distinguish it, or by using identification or distinguishing means such as a dog or other animal, it becomes possible to search for the target of search or track the target of tracking, or to support such activities. In other words, the powder composition is suitable as a powder composition for supporting the search for a target or the tracking of a target.

[0024] Furthermore, the powder composition can be configured such that the fragrance component is located inside the macropores (preferably encapsulated). In this configuration, the macropores and smaller pores can be arranged to penetrate each other. This configuration makes it possible to release fragrance components present inside the macropores to the outside through pores (through-holes) that are smaller than the macropores.

[0025] The aforementioned powder composition can be manufactured by a manufacturing method that includes the step of impregnating the porous particles with a solution containing the fragrance component under reduced pressure, thereby supporting the fragrance component on the porous particles. According to this method, the powder composition in which the fragrance component is encapsulated inside the macropores can be easily produced.

[0026] A paint composition can be constructed by containing the aforementioned powder composition with a solvent and / or a synthetic resin emulsion. In this case, the solvent can be selected from water, or a mixed solvent of water and a solvent compatible therewith. Furthermore, the paint composition can be applied to form a coating film. Such paint compositions and coating films also allow for the tracking or assistance of tracking the fragrance or odor of the fragrances contained therein, using devices capable of discerning or identifying them, or means of identification such as dogs or other animals.

[0027] A device for assisting the tracking of a search or tracking target can be configured by providing a container having a plurality of holes through which the powder composition can pass, and the powder composition to be placed in the container. Furthermore, by providing an object to be coated and a coating film formed by applying, spraying, impregnating, or printing a coating composition onto the surface of the object to be coated, a device for assisting in the search of a target or tracking of a target can be configured. Using such a support device, it is possible to track or assist in tracking the fragrance or odor of the fragrance contained in the powder composition or the coating film using a device capable of discriminating or identifying it, or by using identification means such as a dog or other animal.

[0028] Furthermore, according to this invention, in a method for supporting the search for a target or the tracking of a target, (i) The steps of attaching a coating to the target to be searched or the target to be tracked by equipping the target to be searched or the target to be tracked with a device to support the search of the target to be searched or the target to be tracked, and / or arranging the device to support the search of the target to be searched or the target to be tracked based on the range of movement of the target to be searched or the target to be tracked, and (b) A step of tracking powder composition that has fallen or detached from the search target or tracking target support device provided by the search target or tracking target, and / or at least a portion of the coating that has detached or peeled off from the coating attached to the search target or tracking target, using means capable of identifying the fragrance component. It is also possible to provide methods for assisting in the search for a target or the tracking of a target, including the following. [Brief explanation of the drawing]

[0029] [Figure 1] This is a schematic diagram illustrating an example of a method for using a powder composition according to one embodiment of this invention in its original state. [Figure 2] This schematic diagram shows one embodiment of a paint composition according to one embodiment of the present invention for assisting in the search for a target or the tracking of a target, where (A) is a top view and (B) is a cross-sectional view taken along the line C-C' in the form shown in (A). [Figure 3] This is a schematic diagram illustrating an example of a test method for a powder composition according to one embodiment of the present invention. [Figure 4] This is a schematic diagram illustrating another example of a test method for a powder composition according to one embodiment of the present invention. [Modes for carrying out the invention]

[0030] The following describes in detail embodiments for carrying out the powder composition according to this invention, but the invention is not limited to these.

[0031] In this invention, descriptions of numerical ranges such as "greater than or equal to XX and less than or equal to XX" or "XX to XX" mean a numerical range that includes the lower and upper limits, which are the endpoints, unless otherwise specified. When numerical ranges are described in steps, the upper and lower limits of each numerical range can be combined in any way.

[0032] The powder composition of this invention contains porous particles and a fragrance component, wherein the fragrance component is supported on the porous particles.

[0033] The porous particles are configured to be able to carry the fragrance components. Specifically, the porous particles, as primary particles, have one or more pores in the macroporous region (macropores) and one or more pores smaller in size than the macroporous region pores. The pores smaller in size than the macropores may be pores in the mesoporous region (mesopores) and / or pores in the microporous region (micropores). In this invention, the definitions of "macropore," "mesopore," and "micropore" are as defined by IUPAC (International Union of Pure and Applied Chemistry): "macropore" refers to a pore (vacancy) with a diameter of 50 nm or more, "mesopore" refers to a pore (vacancy) with a diameter of 2 nm or more but less than 50 nm, and "micropore" refers to a pore (vacancy) with a diameter of less than 2 nm. The size of these pores can be measured, for example, by using a pore analyzer.

[0034] In the present invention, the pores may be concave or through holes. These pores can function as regions on which the fragrance components are supported, and / or as channels for the fragrance components when they are released from the porous particles (primary particles) to the outside.

[0035] Preferably, the porous particles are configured such that, as primary particles, the macropores have the function of supporting the fragrance component or supporting the fragrance component and functioning as a channel for the fragrance component during its release, and the pores smaller than the macropores have the function of functioning as a channel for the fragrance component during its release, and the macropores and the pores smaller than the macropores are randomly intersecting each other. With this configuration, fragrance components present inside the macropores are released to the outside through pores (through-holes) that are smaller than the macropores.

[0036] More preferably, the porous particles are configured such that, as primary particles, the macropores support the fragrance components, and the micropores, which are smaller in size than the macropores, function as channels for the fragrance components during their release. Furthermore, while all of the aforementioned fragrance components may be supported (present in or encapsulated) in the macropores, if they are primarily supported in the macropores, some may be supported in pores smaller than the macropores.

[0037] The macropores may have a diameter of 50 nm or more, but preferably they are configured to allow the fragrance component to be supported inside, and more preferably they are configured to encapsulate the fragrance component inside. Therefore, the size of the macropores can be appropriately selected according to the size of the fragrance component. The size of the macropores is preferably between 50 nm and 10 μm, and more preferably between 1 μm and 2 μm. Furthermore, the pore volume of the macropores is not particularly limited, as long as it is a value that allows the fragrance components to be stably supported; however, a larger pore volume is preferable. The pore volume can also be measured, for example, by using a pore analyzer.

[0038] The pores smaller than the macropores are preferably large enough for fragrance components to pass through, and their size can be appropriately selected according to the size of the fragrance components. The pores smaller than the macropores are preferably mesopores, and their size is preferably 2 nm to 10 nm, and more preferably 3 nm to 6 nm.

[0039] There are no particular restrictions on the size of the porous particles (primary particles) as long as the pores can be formed, but the porous particles (primary particles) preferably have an average primary particle size (D50) of 0.5 μm to 20 μm, more preferably 1 μm to 10 μm, and even more preferably 2 μm to 5 μm.

[0040] The porous particles can be composed of inorganic porous microparticles. The inorganic porous fine particles are preferably those with excellent heat resistance, water resistance, and corrosion resistance. Examples of inorganic compounds constituting the inorganic porous nanoparticles include: Alkaline earth metal carbonates such as calcium carbonate, barium carbonate, and magnesium carbonate; alkaline earth metal silicates such as calcium silicate, barium silicate, and magnesium silicate; alkaline earth metal phosphates such as calcium phosphate, barium phosphate, and magnesium phosphate; alkaline earth metal sulfates such as calcium sulfate, barium sulfate, and magnesium sulfate; metal oxides such as silica, titanium oxide, iron oxide, cobalt oxide, zinc oxide, nickel oxide, manganese oxide, and aluminum oxide; metal hydroxides such as iron hydroxide, nickel hydroxide, aluminum hydroxide, calcium hydroxide, and chromium hydroxide; other metal silicates such as zinc silicate and aluminum silicate; or other metal carbonates such as zinc carbonate and basic copper carbonate. These are some examples.

[0041] The porous particles may be used individually or in combination of two or more types. As the inorganic porous nanoparticles, porous silica nanoparticles are more preferably selected.

[0042] Examples of the porous silica microparticles mentioned above include B-6C (product name: Godball (Suzuki Oil & Fat Industry Co., Ltd.)), which are commercially available. These porous silica microparticles are inorganic porous microparticles with strong capsule strength.

[0043] There are no particular restrictions on the amount of porous particles used, but for example, they should be 30% by mass or more in the entire powder composition, and more preferably 30% by mass or more and 60% by mass or less. When the amount used is less than 30% by mass, the support effect for searching or tracking the target tends not to be fully realized.

[0044] The aforementioned fragrance components can be selected from substances that have a boiling point of 150°C or higher and are liquid at temperatures between 10°C and 30°C. Among these, it is preferable to select naturally derived substances that are safe for humans and animals (especially dogs) and that do not exist in environments such as mountains, fields, or cities. For example, decanoic acids such as capric acid (decanoic acid), palmitic acid (hexadecanoic acid), and isopalmitic acid (2-hexyldecanoic acid); alpha-methyl ketones such as amyl methyl ketone (2-heptanone), 2-nonanone, and 2-undecanone; succinate esters such as menthyl succinate, diethyl succinate, and dimethyl succinate; and natural essential oil components such as 1,8-cineole and β-sesquiphellandrene. You can choose from these options. The aforementioned fragrance components can be used individually or in combination of two or more.

[0045] Among these, it is preferable to select from capric acid, palmitic acid, amyl methyl ketone, and diethyl succinate. When the fragrance component is selected from capric acid, palmitic acid, amyl methyl ketone, and diethyl succinate, the powder composition will have high discriminability or identifiability of the fragrance or odor (discrimination or identifiability by means of discrimination or identification (e.g., animals (especially dogs))) and long-lasting fragrance or odor persistence. Furthermore, considering the GHS classification for hazards, diethyl succinate is more preferable.

[0046] The amount of the fragrance component supported is not limited to any effective amount. A higher amount of the fragrance component is preferable, but for example, it is 30% by mass or more of the entire powder composition, and more preferably 40% by mass or more and 70% by mass or less. When the amount of the fragrance component is less than 40% by mass, the support effect for searching or tracking the target tends not to be fully realized, and when it exceeds 70% by mass, the effect commensurate with the amount of the fragrance component tends not to be observed, making it uneconomical. In this example, the amount of the fragrance component carried (filled) in the porous particles is approximately 60% by mass of the entire powder composition.

[0047] The powder composition of this invention may optionally contain various additives, provided that they do not hinder the purpose and effects of this invention (such as the effect of supporting the search or tracking of an object). For example, gelling agents, pH adjusters, antioxidants, preservatives, antibacterial agents, colorants (such as pigments), and UV absorbers can be added as appropriate.

[0048] There are no particular restrictions on the method of loading the fragrance components onto porous particles when preparing the powder composition, and it can be prepared by various methods. The fragrance components can be loaded onto porous particles, for example, by mixing the fragrance components (or a solution containing the fragrance components) with the porous particles. Preferably, the fragrance components can be loaded onto porous particles by permeating the porous particles with a solution containing the fragrance components. As a method of permeation, for example, a method of immersing (impregnating) the porous particles in a solution containing the fragrance components under atmospheric pressure or reduced pressure can be selected. Furthermore, solutions containing fragrance components can be prepared by mixing the fragrance components with a suitable solvent. The solvent used should be one that allows for the dispersion of the fragrance components so that they can be supported on porous particles, and should be selected according to the fragrance components used. For example, the solvent can be selected from water, or a mixed solvent of water and a solvent compatible with it (such as ethanol, 1-propanol, 2-propanol, ethylene glycol, or propylene glycol).

[0049] In this invention, the loading of fragrance components onto porous particles is preferably carried out by immersing the porous particles in a solution containing fragrance components under reduced pressure to impregnate them. For example, impregnation can be carried out by the following method. (1) A solution containing fragrance components (and other additives as needed) is poured into the first container, while porous particles are poured into the second container. (2) The first container (the container into which the solution containing the fragrance components (and other additives as necessary) is placed) and the second container (the container into which the porous particles are placed) are both depressurized to create a vacuum. (3) Pour the solution containing the fragrance component from the first container into the second container. (4) After a predetermined time has elapsed (for example, 30 minutes to 48 hours), the second container is returned to atmospheric pressure, and the solution inside it is returned to the first container. (5) Remove the porous particles (porous particles carrying fragrance components). Furthermore, the impregnation process may be repeated multiple times as needed. The pressure during reduced pressure can also be appropriately set depending on the type of fragrance component selected (especially its boiling point).

[0050] The powder composition having such a configuration enables the search for a target or the tracking of a target, or assistance thereof, by tracking the fragrance or smell of the fragrance contained in the powder composition using a means of identifying or distinguishing the fragrance or smell, such as a device or an animal like a dog. In other words, the powder composition can be used as a powder composition for searching for a target, tracking a target, or supporting such activities.

[0051] The aforementioned powder composition can be used as is (in powder form), or it can be used in any form other than powder. For example, it can be used in liquid, gel, mist, aerosol, emulsion, or suspension forms. Alternatively, the powder composition can be used in the form of a paint (paint composition).

[0052] One method for using the aforementioned powder composition as is is to place the powder composition in a bag-shaped container (bag body) having multiple holes (through holes) of the required size, and have the target (someone who may be searched for or tracked) carry this bag-shaped container in advance. There are no particular restrictions on the structure of the bag-shaped container (bag body) in this case, and any known or future developed bag-shaped container (bag body) can be used. Figure 1 is a schematic diagram showing an example of a method for using a powder composition according to one embodiment of the present invention in its original state. In Figure 1, the bag-shaped container (bag body) 2 is sealed by top and bottom seals 2a and 2b, and has multiple holes 3 formed through the bottom of the bag body. The powder composition 1 is placed inside this bag-shaped container 2. According to this method, the powder composition gradually falls or detaches from the hole, and by tracking the fragrance or smell of the fragrance components contained in the fallen or detached powder composition using a device capable of discerning or identifying them, or by using a predetermined means of discerning or identifying such a thing as an animal such as a dog, it becomes possible to search for the target of the search, track the target of the tracking, or support such a search. In Figure 1, multiple holes 3 are formed, but the number of holes may be just one. Also, the search target and tracking target are not limited to people, but may be animals or objects.

[0053] The aforementioned powder composition can be used as a paint composition. The coating film formed by applying the aforementioned coating composition can also be tracked using a device capable of detecting the fragrance or odor contained therein, or by using animals such as dogs, thereby enabling the search for the target of the search or the tracking of the target of the tracking, or support for such activities.

[0054] The coating composition according to this invention comprises the powder composition and a solvent and / or a synthetic resin emulsion.

[0055] The solvent contained in the coating composition is not particularly limited, as long as it enables the dispersion of the powder composition so that it can be applied to the target object. For example, the solvent can be water, or a mixed solvent of water and a solvent compatible therewith. When a mixed solvent of water and a solvent compatible therewith is selected as the solvent, the quick-drying properties of the composition tend to improve.

[0056] Examples of solvents compatible with water include, Ethanol, 1-propanol, 2-propanol, ethylene glycol, propylene glycol, etc. One could list these: The aforementioned water-compatible solvent may be formulated as a single solvent or as a combination of two or more solvents.

[0057] The aforementioned synthetic resin emulsion is a dispersion of synthetic resin in water and can be manufactured using common polymerization techniques such as emulsion polymerization. When the aforementioned paint composition contains the aforementioned synthetic resin emulsion, the adhesion between the coating film and the substrate is improved, and peeling of the coating film when left unattended is prevented, thereby improving the lifespan of the coating film and the product having the coating film.

[0058] As the synthetic resin, resins such as acrylic resin, urethane resin, polyvinyl chloride resin, silicone resin, vinyl acetate resin, polyester resin, styrene resin, and fluororesin can be selected individually or copolymerized.

[0059] The aforementioned synthetic resin emulsion is preferably selected from acrylic resin, styrene resin, acrylic-based synthetic resin emulsion, and styrene-acrylic-based synthetic resin emulsion, from viewpoints such as paint suitability, film properties, and availability.

[0060] The aforementioned synthetic resin emulsion can also be obtained as a commercially available product. For example, 、 NeoRez R-966 (Covestro, polyether-based polyurethane resin emulsion); Sepolsion ES (Sumitomo Seika Co., Ltd., polyester-based resin emulsion) ;WEM-200U, WEM-505C (Taisei Fine Chemical Co., Ltd., acrylic-urethane resin emulsion); UW-550CS (Taisei Fine Chemical Co., Ltd., acrylic resin emulsion); Lubrijet N240 (Lubrizol, acrylic resin colloid); Superflex 150, 210, 420NS, 470, 500M, 620, 650, 740, E2000, E4800 (Daiichi Kogyo Seiyaku Co., Ltd., urethane resin emulsion or colloid); Vinibran A68J1 (Nisshin Chemical Industry Co., Ltd., vinyl acetate-acrylic resin emulsion); Vinibran 278, 735 (Nisshin Chemical Industry Co., Ltd., vinyl chloride-acrylic resin emulsion); Vinibran 1725, 1745 (Nisshin Chemical Industry Co., Ltd., acrylic resin emulsion); Vinibran 1157 (Nisshin Chemical Industry Co., Ltd., vinyl acetate resin emulsion); Movinyl 743N, 6520 (Japan Coating Resin Co., Ltd., acrylic resin emulsion); PRIMAL AC-261P, AC-808 (Dow Chemical Company, acrylic resin emulsion); NeoCryl Examples include, but are not limited to, A1092, A2091, A2092, A639, A655, A662 (DSM Coating Resin, styrene-acrylic resin emulsion); QE-1042, KE-1062 (Seiko PMC, styrene-acrylic resin emulsion); JE-1056 (Seiko PMC, acrylic resin emulsion); JONCRYL7199, PDX-7741 (BASF, styrene-acrylic resin emulsion); Charine R-170S (Nisshin Chemical Industry, silicone-acrylic resin emulsion); Elitel KA-5034 (Unitika, polyester resin emulsion); Polysol AP-1350 (Showa Denko, acrylic resin emulsion).

[0061] There are no particular restrictions on the content of the synthetic resin emulsion, but for example, a content of 3% by mass or more and 70% by mass or less in the entire paint composition is selected. Preferably, the content of the synthetic resin emulsion is 5% by mass or more and 45% by mass or less, more preferably 8% by mass or more and 40% by mass or less, and even more preferably 10% by mass or more and 33% by mass or less. When the content of the synthetic resin emulsion is within the above range, the paint composition is more easily fixed to the object to be coated, and the paint composition fixed to the object to be coated becomes moderately easy to peel off (detach or peel off) due to friction or the like.

[0062] The paint composition of this invention may optionally contain various paint additives, provided that they do not impede the purpose and effects of this invention (such as the effect of assisting in the search or tracking of a target). For example, pigments, defoamers, waxes, surface modifiers, viscosity modifiers, pH adjusters, preservatives, corrosion inhibitors, rust inhibitors, UV absorbers, antioxidants, surfactants, etc., can be added as appropriate.

[0063] In particular, pigments may be added to the paint composition for the purpose of improving discriminability or distinguishability, to the extent that they do not impede the purpose and effects of this invention. The aforementioned pigments are not particularly limited, as long as they do not hinder the purpose and effects of this invention.

[0064] Examples of the aforementioned pigments include inorganic chromatic pigments such as ferric oxide (red iron oxide), yellow iron oxide, and ultramarine; organic chromatic pigments such as azo, naphthol, pyrazolone, anthraquinone, perylene, quinacridone, disazo, isoindolinone, benzimidazole, phthalocyanine, quinophthalone, and dioxazine; black pigments such as carbon black, iron-manganese composite oxide, iron-copper-manganese composite oxide, and black iron oxide; white pigments such as titanium dioxide, zinc oxide, and alumina; and other pigments such as pearl pigments, aluminum pigments, luminescent pigments, phosphorescent pigments, and fluorescent pigments. Among these, it is preferable to select those that are not harmful to the human body or animals (especially dogs). These can be used individually or in combination of two or more.

[0065] When the pigment is incorporated into the paint composition, the paint composition is configured such that the saturation of the paint film formed by application is preferably 2 or higher, more preferably 4 or higher, and even more preferably 6.0 or higher in the Munsell color system. The "Munsell color system" is a system standardized in JIS Z 8721 that expresses color using three parameters: hue, lightness, and saturation. Furthermore, it is preferable that the paint composition is configured such that the hue of the paint film formed by application or the like ranges from 10YR to 10Y.

[0066] The content of the powder composition in the paint composition can be set considering the viscosity of the powder composition, etc., and there are no particular restrictions, but preferably 5% by mass or more and less than 30% by mass, more preferably 10% by mass or more and 25% by mass or less, and even more preferably 10% by mass or more and 20% by mass or less in the entire paint composition. When the content of the powder composition in the aforementioned paint composition is less than 5% by mass, the discriminability (identifiability) and long-term persistence of the fragrance or odor tend to be insufficient, and when it is 30% by mass or more, the viscosity tends to become too high, making application difficult.

[0067] The method for preparing the paint composition of this invention is not particularly limited and can be prepared by various methods. For example, the coating composition of this invention can be prepared by adding and mixing the powder composition and various additives as needed to the solvent and / or synthetic resin emulsion. In this case, there are no particular restrictions on the mixing order of the various components.

[0068] The viscosity of the aforementioned coating composition is not particularly limited; any viscosity that allows it to be applied to the object to be coated is acceptable.

[0069] The aforementioned paint composition can be applied to various substrates (objects to which the paint composition is applied). The material of the object to be coated is not particularly limited, but for example, Metals (alloys such as aluminum, copper, iron, silver, nickel, titanium, and stainless steel), ceramics (such as glass), plastics, wood, paper, woven fabrics, nonwoven fabrics, and leather, etc. These can be listed as examples. Among these, plastic is preferred.

[0070] Examples of the aforementioned plastics include olefin resins (polyethylene, polypropylene, etc.), ethylene propylene diene resins, styrene acrylonitrile resins, polysulfone resins, polyphenylene ether resins, acrylic resins, silicone resins, fluororesins, polyester resins, polyamide resins, polyimide resins, polystyrene resins, polyurethane resins, polycarbonate resins, norbornene resins, cellulose resins, polyvinyl alcohol resins, polyvinyl formal resins, polyvinyl butyral resins, polyvinylpyrrolidone resins, polyvinyl acetate resins, polyvinyl acetal resins, polyvinyl chloride, engineering plastics, biodegradable plastics, olefin thermoplastic elastomers (TPO), styrene thermoplastic elastomers (TPS), and polyester thermoplastic elastomers (TPEE). The plastic object may be a plastic molded product having a shape corresponding to various product shapes, or it may be a plastic film or plastic sheet (resin sheet).

[0071] By applying such a coating composition to the object to be coated by spraying, coating, adsorption, loading, penetration, or impregnation, or by known printing methods such as flexographic printing, gravure printing, offset printing, letterpress printing, or screen printing, it is possible to obtain effects that particularly support the search for the target of the search or the tracking of the target of the search. In other words, the paint composition can be used as a paint composition for searching for a target or tracking a target, or for supporting such activities.

[0072] In particular, with respect to the aforementioned coating composition, by applying, spraying, impregnating, or printing it onto the surface of a substrate, especially a sheet-like substrate such as sheet-like paper, sheet-like cloth, or plastic sheet, a coating film can be formed, thereby providing an effect that assists in the search for a target or the tracking of a target. According to this invention, it is also possible to provide a device for assisting the search for a target or tracking a target, comprising a coating to be coated and a coating film formed on the surface of the coating to be coated by applying, spraying, impregnating, or printing the coating composition.

[0073] The coating composition can be applied, for example, to the sheet-like object to be coated, so that the film thickness after application is 5 to 25 μm, thereby forming a coating film. Therefore, according to this invention, it is also possible to provide a coating film obtained (formed) by painting (applying, etc.) the aforementioned coating composition.

[0074] There are no particular limitations on the method of using the aforementioned paint composition to search for a target or track a target or to assist in such a search. Figure 2 is a schematic diagram showing one embodiment of a paint composition according to one embodiment of the present invention, for assisting in the search for a target or the tracking of a target. In Figure 2, the object to be coated 6 is a 30mm x 30mm rectangular polypropylene plastic sheet. As shown in Figure 2(B), the coating composition 4 is applied to one side (back) of the sheet, and an adhesive layer is provided on the other side (front). As shown in Figure 2(A), nine such sheets are placed in a grid pattern on a 140mm x 140mm rectangular rubber plate-like body (object to be placed) 5, with the side coated with the coating composition 4 facing downwards. That is, the coating composition or coating film exists between the sheet 6 and the plate-like body 5. In Figure 2(B), the adhesive layer is made of double-sided tape, but any adhesive material will suffice, and there are no particular restrictions. One possible method for searching for or tracking a target is to place a plate-like object (5 in Figure 2) on which such a paint composition or coating is placed, based on the range of movement of the target (someone who may be searched for or tracked), for example, at the entrance or exit of a house. When the target goes out, the coated object or the paint composition or coating on it will adhere to the target's shoes or other belongings. The search for or tracking of the target can then be carried out by tracking the scent or odor of the fragrance components of the coated object, paint composition or coating that has adhered to the target, or at least some of the paint composition or coating that has peeled off due to friction during movement.

[0075] The aforementioned powder composition, paint composition, and coating film enable the search for a target or the tracking of a target, or support thereof, by tracking the fragrance or smell of the fragrance components contained therein using predetermined means such as a device capable of discerning or identifying it, or an animal such as a dog. Therefore, according to this invention, it is also possible to provide a method for searching for a target or tracking a target or supporting such a search, using the powder composition, paint composition, and coating film, which enables the searching of a target or tracking of a target or supporting such a search.

[0076] For example, according to this invention, in a method for supporting the search for a target or the tracking of a target, (i) The steps of attaching a coating to the target to be searched or the target to be tracked by equipping the target to be searched or the target to be tracked with a device to support the search of the target to be searched or the target to be tracked, and / or arranging the device to support the search of the target to be searched or the target to be tracked based on the range of movement of the target to be searched or the target to be tracked, and (b) A step of tracking powder composition that has fallen or detached from the search target or tracking target support device provided by the search target or tracking target, and / or at least a portion of the coating that has detached or peeled off from the coating attached to the search target or tracking target, using means capable of identifying the fragrance component. It is possible to provide methods for supporting the search for a target or the tracking of a target, including the following. [Examples]

[0077] The present invention will be described in detail below with reference to examples, but the present invention is not limited to these examples. In the formulations of the following examples, "parts" refers to mass unless otherwise specified.

[0078] [Test Example 1] Evaluation of the discriminability (discriminative power) of fragrance components The discriminability (discriminative power) of various fragrance components was evaluated based on the evaluation method described below. The fragrance components used were palmitic acid, amyl methyl ketone, diethyl succinate, and capric acid. These fragrance components were evaluated by randomly selecting three dogs for testing. The results are shown in Table 1.

[0079] <Evaluation Method> Five wide-mouthed bottles, each with an inner diameter of approximately 5 cm and a height of approximately 10 cm, were prepared and designated as bottles A through E. As shown in Figure 3, bottles A through E were placed on the ground at equal intervals, and a hole F was created at a position (on the ground) away from bottle E at the same distance (distance between bottles) as the bottles. A small amount of fragrance was applied to a piece of gauze, which was placed in one of the bottles A through E or hole F. A piece of gauze without fragrance was placed in the remaining bottle or hole. Dogs were pre-trained to sit in front of bottles or holes containing fragrance ingredients when they detected the scent of those ingredients, thus becoming familiar with the fragrance's aroma. The dog was allowed to smell bottles A through E or hole F, and the dog's ability to distinguish the fragrance components was evaluated by determining, according to the evaluation criteria below, whether or not it would sit in front of the bottle or hole containing the gauze coated with the fragrance components.

[0080] <Evaluation Criteria> ◎: Identified (sat in front of a bottle or hole containing gauze coated with fragrance) ×: Could not identify

[0081] [Table 1]

[0082] <Results> All three dogs were able to identify the scent of the gauze coated with fragrance. Therefore, it is clear that when the fragrance component in the powder composition of this invention is selected from capric acid, palmitic acid, amyl methyl ketone, and diethyl succinate, the powder composition of this invention will be excellent in supporting the search for a target or the tracking of a target.

[0083] [Example 1] The powder composition was prepared using the following procedure. (1) 31.5 parts by mass of diethyl succinate (manufactured by Tokyo Chemical Industry Co., Ltd.) was prepared. This was placed in container A, and the inside of container A was depressurized to create a vacuum. (2) 62.5 parts by mass of porous silica fine particles [Godball B-6C (manufactured by Suzuki Oil & Fat Industry Co., Ltd.)] were placed in container B, and the inside of container B was depressurized to create a vacuum. (3) Container A and container B were connected, the solution in container A was transferred into container B, and the solution and porous silica fine particles were mixed. (4) The pressure inside container B was returned to atmospheric pressure, and only the liquid was transferred to container A. (5) The powder in container B was removed to obtain porous silica fine particles (powder composition) supported with the fragrance component diethyl succinate.

[0084] [Test Example 2] Evaluation of the discriminability (discriminative power) of powder compositions The powder composition obtained in Example 1 above was evaluated for its identifiability based on the following evaluation method.

[0085] <Evaluation Method> Five wide-mouthed bottles, each with an inner diameter of approximately 5 cm and a height of approximately 10 cm, were prepared and designated as bottles A through E. Bottles A through E were placed on the ground at equal intervals. A piece of gauze with a small amount of the powder composition attached was placed in bottle A, and pieces of gauze without the powder composition attached were placed in the remaining bottles B through E. Dogs that had been pre-trained to sit in front of a bottle or hole containing a powdered composition upon smelling the composition were made familiar with its scent. The dog was allowed to smell bottles A through E, and it was determined whether or not it would sit in front of bottle A. Afterward, the dog was moved to a position where it could not see the bottles, and the positions of bottles A through E were changed. Then, the dog was allowed to smell bottles A through E again, and it was determined whether or not it would sit in front of bottle A.

[0086] <Results> The dog was able to identify (smell) the gauze coated with the powder composition obtained in Example 1 twice in a row. Therefore, it is clear that the powder composition of this invention is excellent in supporting the search for a target or the tracking of a target.

[0087] [Test Example 3] Evaluation of the discriminative ability (trackability) of powder compositions The powder composition obtained in Example 1 above was evaluated for its discriminative ability (ability to be tracked) based on the evaluation method described below.

[0088] <Evaluation Method> Approximately 0.3 g of the powder composition was placed in a small, open container, and a very small amount of the powder composition was sprinkled around it. After the dog was made familiar with the scent of the powder composition, it was instructed to search for the small container (the container containing the powder composition, specifically its scent, referred to as "odor" in Figure 4) placed approximately 10 meters away, as shown in Figure 4.

[0089] <Results> The dog was able to locate (track) the small container containing the powder composition obtained in Example 1. Therefore, it is clear that the powder composition of this invention is excellent in supporting the search for a target or the tracking of a target.

[0090] [Example 2] The powder composition was prepared in the same manner as in Example 1, except that the fragrance component was changed to capric acid.

[0091] [Example 3] The powder composition was prepared in the same manner as in Example 1, except that the fragrance component was changed to palmitic acid.

[0092] [Example 4] The powder composition was prepared in the same manner as in Example 1, except that the fragrance component was changed to amyl methyl ketone.

[0093] [Examples 5 to 7] Using the powder composition obtained in Example 1 above, each component was mixed and stirred according to the composition shown in Table 2 below to obtain a paint composition.

[0094] [Table 2]

[0095] [Test Example 4] Evaluation of the discriminative ability (trackability) of paint compositions Using the paint compositions obtained in Examples 5 to 7 described above, samples were prepared according to the following preparation method, and their discriminative power (ability to be tracked) was evaluated according to the following evaluation method.

[0096] <Sample preparation method> Similar to Figure 2(B), the paint compositions obtained in Examples 5 to 7 were applied to one side of a 30mm x 30mm rectangular polypropylene plastic sheet 41, in the following order from the plastic sheet 41 side: layer 42a of the paint composition obtained in Example 5, layer 42b of the paint composition obtained in Example 6, and layer 42c of the paint composition obtained in Example 7. On the other side of the plastic sheet, double-sided tape was attached as an adhesive layer 43. Nine such plastic sheets were prepared. The nine sheets obtained above were placed on a 140mm x 140mm square rubber plate (the object to be placed on), in a grid pattern, with the sides coated with the paint compositions 42a to 42c facing downwards, as in Figure 2(A).

[0097] <Evaluation Method> One of the plastic sheets created using the above method was attached to the sole of a shoe with the side where the laminate of the paint composition is formed, i.e., the side coated with the paint compositions 42a to 42c, facing downwards, and the person walked approximately 350m along the shoulder of a public road. The discriminative power of the paint composition was evaluated by determining (verifying) whether dogs that had been exposed to the scent of a fragrance component (diethyl succinate) the day after walking could correctly track the walking route.

[0098] <Results> The dogs (police dogs) were able to track the scent of the paint composition applied to the plastic sheet (a laminate of the paint composition obtained in Examples 5 to 7). From the above, it is clear that the paint composition of this invention is excellent in its effect of supporting the search for a target or the tracking of a target. Furthermore, when a plate-like structure with the nine plastic sheets on it was placed above the entrance, and someone walked over this structure, several of the sheets that were on the structure stuck to their shoes. Therefore, it is clear that by placing an object on which the coating composition or coating film of this invention is placed in a predetermined location based on the range of movement of the target (something that may be searched for or tracked), the target can be searched for or tracked by tracking the scent or odor of the fragrance components of the object, coating composition or coating film attached to the target, or at least a portion of the coating composition or coating film that has peeled off due to friction or the like during movement.

[0099] [Configurations included in embodiments of the present invention] This embodiment includes the following configuration. (Composition 1) Contains porous particles and fragrance components supported on the porous particles, The porous particles, as primary particles, have one or more macropores and one or more micropores smaller in size than the macropores. The aforementioned fragrance component is selected from substances that have a boiling point of 150°C or higher and are liquid at temperatures between 10°C and 30°C. A powder composition characterized by the following. (Composition 2) The powder composition according to Composition 1, wherein the fragrance component is selected from capric acid, palmitic acid, amyl methyl ketone, and diethyl succinate. (Configuration 3) The powder composition according to Configuration 1 or 2, wherein the fragrance component is present inside the macropores. (Configuration 4) The powder composition according to any one of Configurations 1 to 3, wherein the macropores and the micropores smaller in size than the macropores are configured to penetrate each other. (Configuration 5) The macropores have a size of 1 μm or more and 2 μm or less in diameter. The powder composition according to any one of configurations 1 to 4, wherein the pores smaller than the macropores have a diameter of 3 nm or more and 6 nm or less. (Configuration 6) The powder composition according to any one of Configurations 1 to 5, wherein the porous particles are composed of porous silica fine particles. (Configuration 7) A powder composition according to any one of Configurations 1 to 6, for use in assisting the search for a target or tracking a target. (Configuration 8) A method for producing the powder composition described in any of Configurations 1 to 7, The process includes a step of immersing the porous particles in a solution containing the fragrance component under reduced pressure, thereby impregnating the porous particles and supporting the fragrance component on them. A method for producing a powder composition characterized by the following. (Composition 9) Contains a powder composition and a solvent and / or synthetic resin emulsion, The aforementioned powder composition is a powder composition obtained by any one of the powder compositions described in composition 1 to 7 or by the manufacturing method described in composition 8. The solvent is water, or a mixed solvent of water and a solvent compatible therewith. A paint composition characterized by the following. (Configuration 10) Obtained by applying the paint composition described in Configuration 9. A coating film characterized by the following. (Configuration 11) comprising a container and a powder composition to be placed into the container, The container has a plurality of holes formed to allow the powder composition to pass through, The powder composition is the powder composition described in any of the components 1 to 7. A device for assisting in the tracking of a search or tracking target, characterized by the following: (Configuration 12) comprising an object to be coated, and a coating film formed by applying, spraying, impregnating, or printing a coating composition on the surface of the object to be coated, The paint composition is the paint composition described in configuration 9. A device that assists in the search for a target or the tracking of a target, characterized by the following features. (Configuration 13) In a method for supporting the search of a target or the tracking of a target, (i) The steps of attaching a coating to the target to be searched or the target to be tracked by equipping the target to be searched or the target to be tracked with the support device for searching the target to be searched or the target to be tracked described in configuration 11, and / or arranging the support device for searching the target to be searched or the target to be tracked described in configuration 12 based on the range of action of the target to be searched or the target to be tracked, and (b) A step of tracking powder composition that has fallen or detached from the search target or tracking target support device provided by the search target or tracking target, and / or at least a portion of the coating that has detached or peeled off from the coating attached to the search target or tracking target, using means capable of identifying the fragrance component. including A method for assisting in the search of a target or the tracking of a target, characterized by the following: [Industrial applicability]

[0100] The powder composition, paint composition, and coating film according to this invention can be tracked or supported in tracking by using a device or animal such as a dog that can distinguish or identify the fragrance or smell of the fragrance components contained therein, thereby enabling the search for a target or the tracking of a target or support for such a search. Therefore, it is highly likely to be used in industries that conduct searches for targets or track targets. [Explanation of Symbols]

[0101] 1 Powder composition 2 bag-shaped containers 3 holes 4 Paint composition (coating film) 5 Plate-like body 6. Object to be coated (plastic sheet)

Claims

1. It contains porous particles and fragrance components supported on the porous particles, The porous particles, as primary particles, have one or more macropores and one or more micropores smaller in size than the macropores. The aforementioned fragrance component is selected from substances that have a boiling point of 150°C or higher and are liquid at temperatures between 10°C and 30°C. A powder composition characterized by the following.

2. The aforementioned fragrance components are, Select from capric acid, palmitic acid, amyl methyl ketone, and diethyl succinate. The powder composition according to claim 1, characterized by the following:

3. The aforementioned fragrance components are, It is located inside the aforementioned macropore. The powder composition according to claim 1 or 2, characterized by the above.

4. The macropores and the micropores smaller in size than the macropores are, They are configured to penetrate each other. The powder composition according to claim 1 or 2, characterized by the above.

5. The aforementioned macrohole is Having a diameter of 1 μm or more and 2 μm or less, Pores smaller than the aforementioned macropores are, Having a diameter of 3 nm or more and 6 nm or less. The powder composition according to claim 1 or 2, characterized by the above.

6. The porous particles are It is composed of porous silica microparticles. The powder composition according to claim 1 or 2, characterized by the above.

7. It is intended to assist in the search for the target of the search or the tracking of the target of the tracking. The powder composition according to claim 1 or 2, characterized by the above.

8. A method for producing the powder composition according to claim 1 or 2, The process includes a step of immersing the porous particles in a solution containing the fragrance component under reduced pressure, thereby impregnating the porous particles and supporting the fragrance component on them. A method for producing a powder composition characterized by the following.

9. The powder composition contains a solvent and / or a synthetic resin emulsion. The aforementioned powder composition is The powder composition according to claim 1 or 2, The aforementioned solvent is It is water, or a mixed solvent of water and a solvent compatible therewith. A paint composition characterized by the following.

10. Obtained by applying the paint composition described in claim 9. A coating film characterized by the following.

11. The device comprises a container and a powder composition to be placed into the container, The aforementioned container is The aforementioned powder composition has a plurality of holes formed to allow it to pass through, The aforementioned powder composition is The powder composition is as described in claim 1 or 2. A device for assisting in the tracking of a search or tracking target, characterized by the following:

12. The system comprises an object to be coated, and a coating film formed by applying, spraying, impregnating, or printing a coating composition onto the surface of the object to be coated. The aforementioned paint composition is The paint composition is as described in claim 9. A device that assists in the search for a target or the tracking of a target, characterized by the following features.

13. In methods for supporting the search for a target or the tracking of a target, (a) The steps of attaching a coating to the target to be searched or the target to be tracked by equipping the target to be searched or the target to be tracked with the support device for searching the target to be searched or the target to be tracked according to claim 11, and / or arranging the support device for searching the target to be searched or the target to be tracked according to claim 12 based on the range of movement of the target to be searched or the target to be tracked, and (b) A step of tracking powder composition that has fallen or detached from the search target or tracking target support device provided by the search target or tracking target, and / or at least a portion of the coating that has detached or peeled off from the coating attached to the search target or tracking target, using means capable of identifying the fragrance component. including A method for assisting in the search of a target or the tracking of a target, characterized by the following:

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