JP2018134061A - Reaction device and disposable functional material cartridge - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a reaction device that causes a functional material to react sustainably.SOLUTION: A reaction device that causes a functional material that exhibits a function by a reaction through liquid to react includes a container having a storage part for storing the functional material, and a sucking material having the property to suck liquid. The sucking material is configured so that the inside of the storage part is communicated with the outside, and the liquid sucked by the contact with the liquid disposed outside the storage part is applied to the functional material stored in the storage part.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a reaction device that reacts a functional material that exhibits a function by a reaction via a liquid, and a disposable functional material cartridge for use in the reaction device.

  A reaction apparatus for reacting a functional material that exhibits a function by a reaction via a liquid is conventionally known. For example, there is a carbon dioxide generator that generates carbon dioxide by chemically reacting a carbonate and an acid. The carbon dioxide generator is used, for example, in an insect trap that attracts and captures disease-borne insects such as mosquitoes. Patent Document 1 discloses a carbon dioxide generator that arranges an acidic aqueous solution container vertically above a carbonate, and adds the acidic aqueous solution to the carbonate through a tube from the container.

  When the chemical reaction between the acidic aqueous solution and the carbonate is completed, the generation of carbon dioxide gas is also completed. In order to reduce the setting frequency of the carbon dioxide generator and save carbon dioxide generating materials, there is a demand for generating carbon dioxide with a predetermined amount of material for a longer time. In the carbon dioxide generating device of Patent Document 1, a control device that controls opening and closing and a flow rate adjusting device are installed in the middle of a tube serving as a flow path, and an acidic aqueous solution is intermittently or continuously little by little with respect to a predetermined amount of carbonate. To increase the reaction duration.

JP2015-216877A

  In order to extend the time for which the reaction of generating carbon dioxide lasts, the carbon dioxide generator of Patent Document 1 requires devices such as a tube opening / closing device and a flow rate adjusting device.

  An object of the present invention is to provide a reaction apparatus capable of maintaining a reaction for a long time while having a simple structure in a reaction apparatus for reacting a functional material that exhibits a function by a reaction via a liquid. is there. Another object of the present invention is to provide a disposable functional material cartridge that can be used in such a reaction apparatus.

  One aspect of the present invention for solving the above-described problem is a reaction apparatus for reacting a functional material that exhibits a function by a reaction via a liquid, and a container having a storage portion that stores the functional material; A wicking material having a property of sucking up the liquid, and the wicking material communicates the inside and outside of the housing portion and sucks up the liquid by contact with the liquid disposed outside the housing portion. Is a reaction apparatus configured to be applied to the functional material accommodated in the accommodating portion.

  Another aspect of the present invention for solving the above-described problem is a disposable functional material cartridge that is used by being disposed in the accommodating portion of the reaction device according to the one aspect, wherein the disposable functional material cartridge is A disposable functional material cartridge comprising the functional material and a water-permeable material used in contact with the functional material.

  According to the embodiment of the present invention, the liquid can be continuously applied to a predetermined amount of the functional material in a small amount, whereby the reaction duration, that is, the function of the functional material is exhibited first. The time from the point of time until the point when the function corresponding to the total amount of the functional material or the desired amount is exhibited can be extended as compared with the case where the total amount of the liquid required for the reaction is added all at once.

It is a figure explaining the reactor concerning an embodiment of the present invention. It is a figure explaining the application form of a functional material. It is a figure which shows the structural example of a carbon dioxide gas generation sheet. It is a figure which shows the structural example of a carbon dioxide gas generation sheet. It is a figure which shows the structural example of a cyclodextrin containing sheet | seat and a metal (water) oxide containing sheet | seat. It is a figure which shows the structural example of a cyclodextrin containing sheet | seat. It is a figure which shows the usage condition of the reaction apparatus which concerns on an Example. It is a figure which shows the usage condition of the reaction apparatus which concerns on a comparative example. It is a figure which shows the test result which concerns on an Example. It is a figure which shows the test result which concerns on a comparative example.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. The following embodiments are for illustrative purposes, and the present invention is not limited thereto.

<Reactor>
FIG. 1 is a diagram illustrating a reaction apparatus for reacting a functional material that exhibits a function by reaction via a liquid according to an embodiment of the present invention.

(First embodiment)
FIGS. 1A to 1C are schematic vertical sectional views for explaining a configuration example of the reaction apparatus according to the first embodiment of the present invention. FIG.1 (d) is a figure explaining the usage example of the reaction apparatus shown to Fig.1 (a).

  Referring to FIG. 1A, a reaction apparatus 8001 of this embodiment includes a container 8010 having an internal space (accommodating portion) that accommodates a functional material 8100, a wicking material 8020 having a property of sucking up a liquid, Is provided. The wicking material 8020 is attached to the container 8010 so as to penetrate the wall forming the housing portion of the container 8010. That is, a hole is formed in the wall of the housing portion of the container 8010, and the wicking material 8020 is disposed so as to pass through the hole. With this configuration, the inside and the outside of the container 8010 are in fluid communication with the wicking material 8020. Regarding the relationship between the size and shape of the hole and the size and shape of the wicking material, preferably, the wicking material 8020 fits exactly into the hole and the functional material 8100 or liquid contained in the containing portion. However, it is comprised so that it may not leak out of the accommodating part from the clearance gap between the suction material 8020 and the hole formation surface of the container 8010. FIG. The position of the hole is not particularly limited, and the hole may have an opening at the center of the bottom as shown in FIG. 1A, for example, as shown in FIGS. 1B and 1C. As described above, an opening may be provided in the vicinity of the side surface. There is no restriction | limiting in particular also in the number of holes, It can provide according to the number of wicking materials. As the proportion (size, number) of the wicking material increases, the amount of liquid applied to the functional material per hour increases, and the reaction start time of the functional material that exerts the function by the reaction via the liquid is advanced. There is a tendency. On the other hand, the total amount of liquid sucked up by the wicking material is determined by the water retention amount of the material accommodated in the container accommodating portion, and is not affected by the ratio (size, number) of the wicking material.

  The end portion of the wicking material 8020 on the outer side of the container extends from the outer surface of the container 8010. As shown in FIG. A part can be immersed in liquid outside the container. In addition, the end of the wicking material 8020 on the container inside (container) side is configured to be able to communicate with the functional material 8010 accommodated in the container 8010 directly or indirectly. In FIG. 1 (a), the end of the wicking material 8020 is flush with the inner surface of the container 8010. However, as illustrated in FIGS. 1 (b) and (c), the end is the container 8010. It may be configured to protrude or extend from the inner surface. A configuration in which the end portion protrudes or extends is preferable from the viewpoint that fluid communication with the functional material accommodated in the container accommodating portion becomes more reliable.

(container)
The container 8010 is made of a material that does not change even when the functional material 8100 and the liquid sucked up by the wicking material 8020 are accommodated. In the example of FIG. 1A, the container 8010 has a substantially cylindrical shape having a circular bottom surface, a side surface surrounding the bottom surface, and an upper opening, and has a storage portion that shows a substantially short rectangle in a vertical cross section. However, the embodiment of the present invention is not limited to this, and the container 8010 can contain the functional material 8100, and the liquid sucked up by the wicking material 8020 is applied to the functional material 8100 that is contained. What is necessary is just to have the internal space (accommodating part) of the shape and magnitude | size suitable for doing. For example, the container 8010 may be a paper cup type having a circular bottom surface, a side surface surrounding the bottom surface, and an upper opening, and the opening area of the upper opening is wider than the bottom area of the housing. There is no limitation on the shape of the bottom surface, and it is approximately circular (including a circle), approximately oval (including an ellipse), approximately square (including a square), approximately rectangular (including a rectangle), and approximately polygon (including a polygon). ), Irregular shapes, and the like. Further, the opening area of the upper opening may be the same as or smaller than the bottom area of the accommodating part, and the opening may be on the side without being limited to the upper part. In addition, the bottom surface and the side surface of the container 8010 do not need to be clearly separated, and may have a shape such as a bowl shape or a ball shape in which the boundary between the bottom surface and the side surface is unclear. As a non-limiting example, the container 8010 may be a paper or plastic cup or bowl, and the inner surface may be provided with a water-repellent coating or laminate.

(Suction material)
The wicking material 8020 communicates the inside and the outside of the housing portion of the container 8010, and the functional material 8100 in which the liquid 8200 sucked up by contact with the liquid 8200 disposed outside the housing portion is housed in the housing portion. Configured to apply. The wicking material 8020 should just be comprised with the material which has a property which sucks up a liquid by capillary action etc. There is no particular limitation on the type of the wicking material, for example, a material having a water wicking height of 5 mm or more measured in accordance with the birec method of Japanese Industrial Standard JIS L1907 (2010) (water absorption test method for textile products). Can be preferably used. As a non-limiting example, the wicking material 8020 is a core-like material such as a paper string or a paper web made by bringing paper together, or a non-woven fabric manufactured by the airlaid method using pulp as a raw material (hereinafter referred to as pulp airlaid). The core may also be a non-woven fabric). For example, as the wicking material 20, a paper string having a thickness of 2 mm, which is used to bind a magazine, can be suitably used. As another example of the wicking material of the present embodiment, paper or pulp air laid nonwoven fabric may be used in the form of a sheet.

  In the embodiment of the present invention, by utilizing the property of sucking up the liquid of the wicking material, the liquid can be supplied little by little to the functional material without using a special device, unlike when the liquid is dropped. Therefore, it is possible to extend the duration of the reaction in which the functional material that exhibits the function through the reaction via the liquid exhibits the function.

  In the embodiment of the present invention, the thickness / size, the number / number of sheets, and the length of the wicking material are not particularly limited. As the wicking material used increases in thickness, size, number, and number, it becomes possible to supply a large amount of liquid to the functional material in the container from a plurality of locations per predetermined time. The total amount of liquid sucked up by the wicking material increases. Therefore, there is a tendency that the time from when the end portion of the wicking material is immersed in the liquid until the functional material in the container exhibits its function as a whole due to the reaction via the liquid. In addition, the longer the length of the wicking material from the liquid level to the container housing in the state where the end of the wicking material is immersed in the liquid, the longer the wicking takes, and the end of the wicking material is immersed in the liquid. After that, the time until the functional material in the container starts to exhibit its function tends to become longer due to the reaction via the liquid.

  Since the total amount of liquid sucked up by the wicking material is determined by the amount of water retained by the material accommodated in the container accommodating portion, the thickness / size, number / number of sheets, and length of the wicking material do not affect this. Therefore, according to this configuration, it is possible to prevent excessive supply of liquid to the functional material.

  FIG.1 (d) is a figure explaining the usage example of the reaction apparatus illustrated to Fig.1 (a). A functional material 8100 is accommodated in the container 8010 of the reactor 8001 (accommodating portion). The end portion of the wicking material 8020 on the container inner side is in contact with the functional material 8100 accommodated in the accommodating portion, and can communicate with each other. The use of the reactor 8001 is started by immersing the end of the wicking material 8020 on the outside of the container in the liquid 8200 disposed outside the container. The wicking material 8020 sucks up the liquid 8200 from the outer end and supplies it to the functional material 8100. The functional material 8100 supplied with the liquid 8200 exhibits a function by a reaction through the liquid 8200. By utilizing the property of sucking up the liquid of the wicking material 8020, the liquid can be supplied slowly and the duration of the reaction can be increased.

  FIG.1 (e) shows the structure of the modification which further provided the storage part which stores a liquid with respect to the reaction apparatus illustrated to FIG.1 (a) and (d). The storage unit 8210 is a component that stores the liquid 8200 therein, and is disposed outside the storage unit 8010 and used. The storage unit 8210 only needs to be made of a material that does not change even when the liquid 8200 sucked up by the wicking material 8020 is accommodated, and as long as a necessary amount of the liquid 8200 can be supplied to the wicking material 8020, the shape and size of the storage unit 8210 are not limited. Is not particularly limited. In the example of FIG. 1E, the storage unit 8210 is provided separately from the container (first container) 8010 (second container), but the storage unit 8210 is provided integrally with the container 8010 itself. It may be done.

  In the present embodiment, the container 8010 and the storage unit 8210 are arranged such that, when in use, the container 8010 is on the upper side and the storage unit 8210 is on the lower side in the vertical direction. When the storage unit 8210 is provided separately from the container (first container) 8010 (second container), the first container and the second container are configured to be stackable in the vertical direction. Also good.

  In the example of FIG. (D), the end of the wicking material 8020 on the outside of the container 8010 is disposed in non-contact with the inner surface of the storage unit 8210 in the storage unit 8210, but the embodiment of the present invention is not limited thereto. Without being limited, the wicking material 8020 may be in contact with the inner surface of the storage portion 8210.

  In the example of FIGS. 1D and 1E, the tip of the wicking material 8020 is immersed in the liquid 8200. However, the embodiment of the present invention is not limited to this, and at least a part of the wicking material 8020 is immersed. It only has to be.

(Second Embodiment)
FIG. 1F is a schematic vertical sectional view for explaining an example of the configuration of a reaction apparatus 9001 according to the second embodiment of the present invention. Reference numerals that are the same as or similar to those in the first embodiment indicate the same or similar components, and descriptions thereof may be omitted.

  The reactor 9001 of the second embodiment has a container 9010 having an internal space (accommodating part) for accommodating the functional material 9100, a second container 9210 having a storage part for storing the liquid 9200, and a property of sucking up the liquid. A wicking material 9020. In the example of FIG. 1 (f), the wicking material 9020 is attached to the second container 9210 so as to penetrate the wall forming the storage part of the second container 9210. That is, a hole is formed in the wall of the storage part of the second container 9210, and the wicking material 9020 is arranged so that both ends extend through the hole. With this configuration, the inside (storage part) and the outside of the second container 9210 are in fluid communication with the wicking material 9020. The positions of the holes are provided to be higher than the liquid level of the liquid 9200 stored in the storage unit. Thereby, the wicking material 9020 whose both ends extend into and out of the storage part through the hole can suck up the liquid in the storage part from one end part. The other end is positioned and used in the vertical direction so as to have a height lower than the water level of the liquid in the reservoir. Further, in the vicinity of the other end portion, the container 9010 is arranged so that the other end portion enters the accommodating portion of the container 9010 in the horizontal plane direction. With this configuration, the liquid sucked up from one end can move from the other end into the accommodating portion.

  Thus, also in the reaction apparatus according to the second embodiment, by using the property of sucking up the liquid of the wicking material, the functionality accommodated in the accommodating portion of the container 9010 without using any special apparatus. The liquid 9200 can be gradually supplied to the material 9100 little by little. Therefore, it is possible to extend the duration of the reaction in which the functional material that exhibits the function through the reaction via the liquid exhibits the function.

  In the example of FIG. 1 (f), the wicking material 9020 is attached through a hole opened in the wall of the second container 9210 having the storage portion. However, as a modification of this embodiment, a hole is provided in the wall. The structure which sets the central part of the wicking material 8020 higher than the liquid level in a storage part may be sufficient by the wicking material 8020 getting over the side wall of a 2nd container, without opening.

  In the example of FIG. 1 (f), one end of the wicking material 9020 (the end extending into the storage portion) has a tip immersed in the liquid 9200, but the embodiment of the present invention is limited to this. It is sufficient that at least a part of the wicking material 9020 is immersed in the liquid. One end of the wicking material 9020 may be in contact with the inner surface of the storage unit.

  In the example of FIG. 1 (f), the other end of the wicking material 9020 (the end extending to the outside of the storage unit) is positioned in non-contact with the functional material 9100. However, the embodiment is not limited to this. The other end of the wicking material 9020 may be in direct fluid contact with the functional material 9100 and in fluid communication with the functional material 9100 via the water permeable material housed in the container housing. The material may be in indirect fluid communication. The other end of the wicking material may be in contact with the outer surface of the second container having the reservoir.

  In the present embodiment, there are no particular restrictions on the thickness / size, the number / number of wicking materials. As the wicking material used increases in thickness, size, number, and number, it becomes possible to supply a large amount of liquid to the functional material in the container from a plurality of locations per predetermined time. The total amount of liquid sucked up by the wicking material increases. Therefore, there is a tendency that the time from when the end of the wicking material is immersed in the liquid until the entire functional material in the container exhibits its function due to the reaction via the liquid tends to be shortened.

  In the present embodiment, the total amount of liquid sucked up by the wicking material is the vertical direction between the water level of the liquid stored in the storage unit and the other end of the wicking material 9020 (the end disposed outside the storage unit). And the amount of liquid stored in the storage unit. That is, regardless of the amount of liquid stored in the storage unit, the water level (liquid level) of the liquid stored in the storage unit is the same height as the position in the vertical direction of the other end of the wicking material or If it is lower than that, the liquid does not move from the storage part to the container accommodating part due to the suction of the wicking material. Moreover, when the water level (liquid level) of the liquid stored in the storage unit is higher than the position in the vertical direction of the other end of the wicking material, from the storage unit by sucking up the wicking material to the container housing unit Movement of the liquid occurs. At this time, as long as there is a liquid stored in the storage unit, the movement of the liquid continues until the water level (liquid level) of the liquid becomes equal to the position in the vertical direction of the other end of the wicking material.

  Therefore, according to the configuration of the present embodiment, the total amount of liquid applied to the functional material can be controlled by setting the amount of liquid to be stored in the storage unit and the position of the other end of the wicking material.

<Functional materials>
Next, functional materials applicable to the embodiments of the present invention and application forms thereof will be described.

(Functional material that demonstrates its function by reaction via liquid)
In this specification, “functional material that exhibits a function by reaction via a liquid” means “a reactant that reacts with another reactant via a liquid to exert a function” and “reacts with the liquid itself” And “reactant that performs its function”. The functional material that exhibits its function by the reaction via the liquid is in a dry state before the reaction via the liquid occurs. Examples of the liquid include water and a solution in which a part of a plurality of reactants that react with each other is dissolved. The liquid may contain other functional components.

  Examples of the “reactant that functions by reacting with another reactant via a liquid” include, for example, a carbon dioxide generating material containing an acid and a carbonate. The acid reacts with the carbonate to generate carbon dioxide. Carbonate reacts with an acid to generate carbon dioxide gas. That is, in this example, the acid and carbonate have a relationship between the reactant and another reactant and react with each other through water. The function in this case is a carbon dioxide gas generation function. In this example, the reaction apparatus can be used as a carbon dioxide generator.

  Examples of the “reactant that reacts with the liquid itself and exhibits a function” include cyclodextrin that includes a functional component, and a metal oxide and / or metal hydroxide. The cyclodextrin encapsulating the functional component can exhibit its function by releasing the functional component encapsulated by reacting with water. Metal oxides and / or metal hydroxides exhibit strong alkalinity by reacting with water and can exhibit functions such as antibacterial action.

(Carbon dioxide generating material)
In the present specification, the carbon dioxide generating material includes “carbonate” and “organic acid (also simply referred to as acid)”.

(Carbonate)
In this specification, “carbonate” means “carbonate and / or bicarbonate”. The carbonate or bicarbonate can be used without particular limitation as long as it is of a grade that can be used in cosmetics, and no special grade is specified depending on the application. For example, sodium carbonate, sodium bicarbonate, sodium sesquicarbonate, potassium carbonate, potassium bicarbonate, calcium carbonate, magnesium carbonate, magnesium bicarbonate, calcium bicarbonate, or a derivative thereof can be used. Two or more carbonates and / or bicarbonates may be used in combination. The carbonate and / or bicarbonate is a solid composition, for example, preferably in the form of particles. The carbonate and / or bicarbonate may be in a form supported on a support such as silica. The carbonate and / or bicarbonate may contain water as crystal water. When water of crystallization is included, the solubility in water increases and the reactivity is improved. However, from the viewpoint of storage stability, it is preferable that the carbonate layer does not contain water that causes alteration such as hydrolysis and reaction with an acid. As the carbonate or bicarbonate used in the embodiment of the present invention, particles having an average particle diameter of 5 to 5000 μm are preferable. When the average particle diameter is 5 to 5000 μm, the dropout of the particles is small.

(Organic acid)
The organic acid can be used without particular limitation as long as it is of a grade that can be used in cosmetics, and the special grade is not specified depending on the application. For example, malonic acid, maleic acid, citric acid, malic acid, tartaric acid, succinic acid, fumaric acid, hyaluronic acid, sodium dihydrogen phosphate or a derivative thereof, a substance that is hydrolyzed to generate an acid, and the like can be used. Two or more acids may be used in combination. The acid is a solid composition, and is preferably in the form of particles, for example. The acid may contain water as crystal water. When water of crystallization is included, the solubility in water increases and the reactivity is improved. However, from the viewpoint of storage stability, it is preferable that the acid layer does not contain water that causes alteration such as hydrolysis and reaction with carbonate. The acid used in the embodiment of the present invention is preferably particles having an average particle diameter of 5 to 5000 μm. When the average particle diameter is 5 to 5000 μm, the dropout of the particles is small. When the average particle size is reduced, the dissolution rate is increased, and the reaction proceeds immediately after being wetted with water, so that the amount of CO ₂ gas generated in the initial stage of use is increased. On the other hand, increasing the average particle size has the effect of extending the duration of carbon dioxide gas generation because dissolution gradually proceeds when contacted with water. In addition, increasing the average particle diameter has the effect of reducing particle dropout.

(Cyclodextrin)
Cyclodextrins are also called cyclodextrins or cyclic oligosaccharides, and have the ability of incorporating various molecules as cavities into the cavity (inclusion) to form inclusion complexes, and the ability to slowly release the incorporated guest molecules. All of α-cyclodextrin, 7 β-cyclodextrin, and 8 γ-cyclodextrin having 6 glucose groups in one molecule of cyclodextrin are compatible with the functional component to be included. Can be used. The cyclodextrin may be chemically modified such as methylation, hydroxylation, acetylation and the like. Moreover, the cyclodextrin may have a branch. These cyclodextrins can be used alone or in combination. In the present embodiment, a cyclodextrin as described above in which a functional component is included can be used. The cyclodextrin used may contain empty cyclodextrin that does not include functional components.

(Functional ingredients)
As the functional component, various functional components can be used depending on the purpose and purpose.

  Examples of functional ingredients that can be used in the embodiments of the present invention include wasabi ingredients, mustard ingredients, chili ingredients, ginger ingredients, lemon ingredients, orange ingredients, grapefruit ingredients, yuzu ingredients, plum ingredients, matcha ingredients, almond ingredients , Natural meat flavors, roses, herbs and other extract components, plant extracts, natural extracts such as tea extracts and fragrances, natural and organic volatile antibacterial agents and fragrances such as l-menthol components, coenzyme Q10 And cosmetic raw materials such as isoflavones.

  In addition to those described above, functional ingredients include, for example: medicinal ingredients, moisturizers, feel improvers, antioxidants, reducing agents, oxidizing agents, preservatives, antibacterial agents, pH adjusters, UV absorbers, whitening agents Agents, vitamins and derivatives thereof, anti-inflammatory agents, anti-inflammatory agents, hair growth agents, blood circulation promoters, stimulants, hormones, anti-wrinkle agents, anti-aging agents, squeeze agents, cooling agents, warming agents, wounds Healing accelerant, stimulant relieving agent, analgesic agent, cell activator, plant / animal / microbe extract, antipruritic agent, exfoliating / dissolving agent, antiperspirant, refreshing agent, astringent, fragrance, pigment, coloring agent, anti-inflammatory analgesic Agents, antifungal agents, antihistamines, hypnotic sedatives, tranquilizers, antihypertensive agents, antihypertensive diuretics, antibiotics, anesthetics, antibacterial agents, antiepileptic agents, coronary vasodilators, crude drugs, adjuvants, wetting agents , Antidiarrheal, keratin softening release agent, antiseptic disinfectant, fat-soluble substance, deodorant component, etc. The known compounds can be arbitrarily selected depending on the application and purpose.

  These functional components can be used alone or in combination.

(Cyclodextrin containing functional ingredients)
In the embodiment of the present invention, the cyclodextrin in which the functional component is included is used in the form of powder (particles). The cyclodextrin in which the functional component is included in the form of powder (particles) can be obtained by any method known in the art, and can also be purchased from a manufacturer. For example, Dexie Ace (product using cyclodextrin) manufactured by Shimizu Minato Sugar Co., Ltd., CAVAMAX (registered trademark) manufactured by Cyclochem, etc. can be suitably used. In these powders (particles), the cyclodextrin in which the functional component is included is not included in addition to the cyclodextrin in which the functional component is included. Of cyclodextrin may be included.

(Metal oxide)
The metal oxide used in the embodiment of the present invention is a metal oxide that becomes a strong alkali upon contact with water, preferably a divalent metal oxide, more preferably a metal of Group 2 element of the periodic table. More preferably, it is a metal oxide represented by MO (wherein M is Mg, Ca, Sr or Ba), particularly preferably an alkaline earth metal oxide. As non-limiting examples, magnesium oxide (11.4), calcium oxide (12.7), strontium oxide (13.2), barium oxide (13.4), and manganese oxide (10.6) are preferably used. can do. The numerical value in parentheses after the substance name indicates the value of the acid dissociation constant pKa. The metal oxide to be used can be selected according to a use or a desired effect. For example, in applications that can come into contact with food, calcium oxide is preferably used from the viewpoint of safety and the like. These metal oxides can be used alone or in combination.

(Metal hydroxide)
The metal hydroxide used in the embodiment of the present invention is a metal hydroxide that becomes a strong alkali upon contact with water, preferably a divalent metal hydroxide, more preferably Group 2 of the periodic table. Elemental metal hydroxides, more preferably M (OH) ₂ (wherein M is Mg, Ca, Sr or Ba), particularly preferably alkaline earth It is a hydroxide of a similar metal. Non-limiting examples include magnesium hydroxide (11.4), calcium hydroxide (12.7), strontium hydroxide (13.2), barium hydroxide (13.4), and manganese hydroxide (10. 6) can be preferably used. The numerical value in parentheses after the substance name indicates the value of the acid dissociation constant pKa. The metal hydroxide to be used can be selected according to a use or a desired effect. For example, in applications that can come into contact with food, calcium hydroxide is preferably used from the viewpoint of safety and the like. These metal hydroxides can be used alone or in combination.

<Application form of functional materials>
With reference to FIG. 2, the example of the application form of the functional material accommodated in the accommodating part of the container of the reaction apparatus of this embodiment is demonstrated.

  FIG. 2A is a usage example of the reaction apparatus according to the first embodiment described in FIG. The functional material 8100 can be accommodated in various forms as illustrated in FIG. 2B in the accommodating portion of the container 8010 of the reaction device 8001. The following example will be described assuming that the function exhibited by the functional material is a carbon dioxide gas generation function and the functional material contains an organic acid and a carbonate.

  FIGS. 2B and 2A show a functional material 8100 in which one or both of an organic acid powder (hereinafter also referred to as organic acid particles) and a carbonate powder (hereinafter also referred to as carbonate particles) 8146 are reacted. This is an example of disposing a container 8010 in a container. In this example, the liquid 8200 includes water. When the functional material includes one of carbonate particles and acid particles but does not include the other, the other aqueous solution is used as the liquid 8200. According to this configuration, the reaction material of the functional material reacts with the liquid sucked up by the wicking material 8020 and can exhibit its function (that is, generate carbon dioxide).

  In this configuration, when the functional material 8100 includes both carbonate particles and acid particles, both the carbonate particles and acid particles may be included as a mixture, or may be included as a laminate. Good. In FIG. 2 (a), the tip of the wicking material 8020 is flush with the inner surface of the container housing portion, but the embodiment of the present invention is not limited to this, and the tip of the wicking material protrudes, and the mixture It may be located in the layer, penetrate the layer, or may be in contact with one or more layers of the laminate. That is, the wicking material can be configured to be in direct fluid communication with one or both of the carbonate particles and the acid particles. The greater the degree of protrusion at the tip of the wicking material, the more the water sucked up can be diffused in the container housing, and the reaction via water tends to proceed. Therefore, the reaction duration can be adjusted depending on the degree of protrusion and the arrangement of the wicking material in the accommodating portion.

  FIGS. 2B and 2B show a sheet 8126 including a layer containing, as the functional material 8100, one or both of carbonate particles and acid particles and one or both of carbonate particles and acid particles. This is an example in which the sheet is disposed in the accommodating portion (hereinafter, such a sheet is also referred to as a carbon dioxide generating sheet). According to this configuration, the carbon dioxide generating sheet can be detachably disposed in the housing portion, the handling of the functional material is facilitated, and the functional material can be easily set to the reaction apparatus.

  FIGS. 2B and 2C show that the functional material 8100 includes one or both of carbonate particles and acid particles 8146 in the form of a bag 8132 wrapped in a water-permeable sheet 8130. It is an example arrange | positioned to a part. In this example, the surface of the bag-like object, that is, the water-permeable sheet 8130 and the wicking material 8020 are arranged in contact with each other, thereby fluidly communicating the wicking material and the functional material 8146 indirectly. According to this configuration, the water sucked up by the wicking material is diffused in the surface direction of the water-permeable sheet by the water-permeable sheet, and can promote a reaction in a wide range. Moreover, according to this structure, since a functional material can be handled as a bag-like thing, handling becomes easy and the setting of the functional material with respect to a reaction apparatus can be performed simply.

(Water-permeable sheet)
As the water-permeable sheet, any sheet having a property of passing moisture (water permeability) can be used without any limitation. The water sucked up by the wicking material 8020 is diffused in the surface direction of the water-permeable sheet by the water-permeable sheet 8130 and can promote a reaction in a wide range.

  The water-permeable sheet may further have a property (liquid absorption retention property) that allows moisture to be taken in and retained therein and to release the moisture in the interior. The water-permeable sheet has a higher rate of liquid passage as the liquid absorption retention is lower. On the other hand, the higher the water-permeable sheet absorbability is, the stronger the force to retain the liquid, so that the reaction duration can be extended by delaying the reaction via the liquid. The water-permeable sheet can be, for example, a non-woven fabric, a cloth or a sheet having another mesh structure, and can be a special non-woven fabric such as Warif (registered trademark). As a non-limiting example, for example, a non-woven fabric (pulp air-laid non-woven fabric) manufactured by an air laid method using pulp as a raw material can be suitably used.

  The water-permeable sheet can be formed into a bag shape by an adhesive such as a bond. Further, depending on the material of the water-permeable sheet, it can be formed into a bag shape by heat fusion or the like.

  FIGS. 2B and 2D show an example in which one or both of carbonate particles and acid particles 8146 are arranged on the water-permeable sheet 8130 laid on the bottom surface of the container accommodating portion as the functional material 8100. It is. According to this configuration, the liquid sucked up by the wicking material 8020 is transmitted through one or both of the carbonate particles and the acid particles 8146 itself, and is diffused in the surface direction of the water-permeable sheet by the water-permeable sheet 8130, so that a wide range is obtained. You can encourage a reaction at The water-permeable sheet 8130 and the wicking material 8020 may be the same material or different materials, and may be an integral type or a separate type.

  FIGS. 2B and 2E show, as the functional material 8100, one or both of carbonate particles and acid particles 8146 are spread and layered on the bottom surface of the container accommodating portion, and a water-permeable sheet is formed on the top surface thereof. This is an example of arranging 8130. 2B and 2F, in addition to the structure of FIGS. 2B and 2E, one or both of carbonate particles and acid particles 8146 are further provided on the upper surface of the water-permeable sheet 8130. This is an example of spreading and arranging in layers. One or both of the carbonate particles and acid particles 8146 below the water-permeable sheet 8130 and one or both of the carbonate particles and acid particles 8146 above may be the same material or different. May be. Also in these configurations, the water sucked up by the wicking material 8020 is made to be in a state where the wicking material 8020 protrudes and is in contact with the water-permeable sheet 8130, so that one or both of the carbonate particles and the acid particles 8146 While being transmitted, it is diffused in the surface direction of the water-permeable sheet by the water-permeable sheet 8130, and a reaction in a wide range can be promoted.

  2B and 2F, when one of the carbonate particles and the acid particles is disposed on one surface of the water-permeable sheet 8130 and the other is disposed on the other surface, the carbonate particles and the acid particles. Compared with the case where both are mixed and arranged on the same surface, the reaction tends to proceed more slowly.

  As described above with reference to FIG. 2, in one aspect of the embodiment of the present invention, the functional material is housed together with the water-permeable material so as to come into contact with the water-permeable material such as a water-permeable sheet. The wicking material is accommodated in the part and configured to be in fluid communication with the functional material via the water-permeable material. A water-permeable material such as a water-permeable sheet relates to a functional material in a state of being accommodated in a housing portion, and is a non-contact surface between the functional material and the container, in the functional material, and the functional material container. Of at least one of them. For example, the water-permeable material may be disposed between the carbonate particle layer and the organic acid particle layer.

  The water permeable sheet may have a bag shape. The bag-shaped water-permeable sheet may contain at least a part of the functional material, or may contain the whole. For example, when the functional material includes carbonate particles and organic acid particles, the bag-shaped water-permeable sheet has a bag shape that wraps one of the carbonate particles and the acid particles, a bag shape that wraps both separately, or both. Can be sacked together.

  The functional material may exhibit a function by reaction of a plurality of reactants, and can include a plurality of materials. The arrangement of the constituent elements may be determined so that the liquid having a higher solubility among the plurality of materials is preferentially applied with the liquid via the wicking material. According to this structure, compared with the case where a liquid is preferentially applied to a material having a relatively low solubility, the reaction tends to proceed more rapidly.

  The above examples have been described assuming that the function exhibited by the functional material is a carbon dioxide gas generation function and the functional material includes an organic acid and a carbonate. The embodiment of the present invention is not limited to this, and the functional material may include cyclodextrin in which a functional component is included. The cyclodextrin in which the functional component is included may be included in the form of a nonwoven fabric sheet including a layer containing cyclodextrin. The layer containing cyclodextrin may be provided by a dry method. Moreover, the functional material may contain a metal oxide and / or a metal hydroxide. The metal oxide and / or metal hydroxide may be included in the form of a nonwoven sheet including a layer containing the metal oxide and / or metal hydroxide.

<Disposable functional material cartridge>
When the functional material is used in the form of a sheet or bag containing the functional material, since the sheet or bag can be detachably disposed in the container of the reactor, the handling is easy. become. Further, when the functional material is in the form of a sheet or a bag, it is not necessary for the user of the reaction apparatus to measure the amount of the functional material every time it is used. In an embodiment of the present invention, a sheet or bag-like material containing a functional material can be used as a disposable functional material cartridge by being detachably disposed in a container of a reaction container.

  The disposable functional material cartridge can include a functional material and a water-permeable material used in contact with the functional material. The water-permeable material may be in the form of particles and / or fibers, or may be a water-permeable sheet. The water-permeable sheet relates to the functional material in a state of being accommodated in the container accommodating portion of the reaction apparatus, and is provided between the functional material and the container, in the functional material, and on the non-contact surface of the functional material with the container. It can be arranged in at least one of them. The water-permeable sheet can have a bag shape that wraps at least a part of the constituent elements of the functional material.

  Non-limiting examples of the disposable functional material cartridge according to the embodiment of the present invention include a carbon dioxide generating sheet, a cyclodextrin-containing sheet, a metal oxide and / or metal hydroxide-containing sheet.

  Below, the example of the disposable functional material cartridge applicable to embodiment of this invention is demonstrated.

I. First example of disposable functional material cartridge [carbon dioxide generating sheet]
Hereinafter, with reference to FIG. 3 and FIG. 4, a carbon dioxide generating sheet applicable as a disposable functional material cartridge according to an embodiment of the present invention will be described.

[First embodiment]
A carbon dioxide generating sheet according to a first aspect of an embodiment of the present invention is a laminate including a carbonate layer and an acid layer, and includes a water absorbent sheet between the carbonate layer and the acid layer, and the carbonate The layer and the acid layer are obtained by disposing a mixture of carbonate particles or acid particles and a heat-fusible resin on the surface of the water-absorbent sheet and melting the heat-fusible resin by heat. It is characterized by being. That is, in this embodiment, the carbon dioxide generating sheet used as a disposable functional material cartridge is a water absorbent sheet that is a functional material, carbonate and acid, and a water absorbent material used in contact with the functional material. And.

  In the present embodiment, as the water absorbent sheet, any sheet can be used among a sheet having a property of passing moisture (water permeability) and a sheet having a property of absorbing moisture (water absorption). As a sheet | seat which has the property (water permeability) which lets a water pass, it is only necessary to let water pass through and there is no limitation. As the sheet having the property of absorbing moisture (water absorption), a sheet that can take in and retain moisture and release the moisture inside can be used. That is, it can be said that the sheet | seat which has the property (water absorption) which absorbs the water | moisture content applicable to embodiment of this invention is a kind of sheet | seat which has the property (water permeability) which lets water pass. The water absorbent sheet in the carbon dioxide generating sheet can function as a water permeable sheet in the disposable functional material cartridge of the embodiment of the present invention, and can diffuse the liquid supplied from the wicking material in the surface direction.

  In the carbonate layer, the carbonate particles are fixed in a state where a part thereof is covered with the heat-fusible resin. Similarly, in the acid layer, the acid particles are fixed in a state where a part thereof is covered with the heat-fusible resin. The carbon dioxide generating sheet according to the embodiment of the present invention is manufactured by a dry method in order to prevent a reaction between a carbonate and an acid during the manufacturing process.

(Layer structure and effects)
FIG. 3 is a diagram illustrating the configuration of the carbon dioxide generating sheet according to the first aspect of the present embodiment for the purpose of illustration and not for the purpose of limitation. In the drawings, the same reference numerals indicate the same components. For the same component, a duplicate description may be omitted.

  The carbon dioxide generating sheet according to the first aspect of the present embodiment shown in FIG. 3A includes a water absorbent sheet 300, a carbonate layer 130, a water absorbent sheet 300, an acid layer 230, and a water absorbent sheet 300. And in order. The carbonate layer 130 is a layer formed through a step of disposing a mixture of the carbonate particles 13 and the heat-fusible resin 16 on the surface of the water-absorbent sheet 300 and thermally melting the heat-fusible resin 16. . The acid layer 230 is a layer formed through a step of disposing the mixture of the carbonate particles 23 and the heat-fusible resin 16 on the surface of the water-absorbent sheet 300 and thermally melting the heat-fusible resin 16. is there. Since the water absorbent sheet 300 has water permeability, when the liquid is supplied, the supplied liquid can be spread in the surface direction and applied to the carbonate and acid of the carbonate layer 130 and the acid layer 230.

  In the configuration of FIG. 3A, the carbonate particles 13 are fixed in the carbonate layer 130 in a state in which a part thereof is covered with the heat-fusible resin. Therefore, the carbonate particles 13 are unlikely to fall off from the carbon dioxide generating sheet, and moisture can come into contact with the carbonate when the carbon dioxide generating sheet is used. Since the heat-fusible resin and the carbonate particles are uniformly dispersed, the carbonate particles can be arranged uniformly in the plane.

  Similarly, in the acid layer 230, the acid particles 23 are fixed in a state where a part thereof is covered with the heat-fusible resin. Therefore, the acid particles 23 are unlikely to fall off from the carbon dioxide generating sheet, and moisture can come into contact with the acid when the carbon dioxide generating sheet is used. Since the heat-fusible resin and the acid particles are uniformly dispersed, the acid particles can be uniformly arranged in the plane.

  Further, since the water absorbent sheet 300 is provided so as to cover the upper surfaces of the carbonate layer 130 and the acid layer 230, the possibility of carbonate or acid powder falling from the carbon dioxide generating sheet can be further reduced. The supplied liquid can be spread in the surface direction. In addition, the structure which has the water absorbing sheet 300 corresponding to the inner layer of the carbon dioxide generating sheet and does not have one or both of the water absorbing sheets 300 corresponding to the outer layer of the carbon dioxide generating sheet is also within the scope of the present invention.

  The carbon dioxide generating sheet shown in FIG. 3B is one of the water-absorbing sheets 300 provided so as to cover the upper surfaces of the carbonate layer 130 and the acid layer 230 in the configuration shown in FIG. The structure replaced with the film 400 with relatively low air permeability is shown. In the configuration having the low-breathable film 400 on one side, in addition to the powder fall-off preventing effect similar to the configuration shown in FIG. 3A, carbon dioxide generated during use is prevented from being released from the surface on the film arrangement side. Or the effect of suppressing can be show | played.

When the carbon dioxide generating sheet having this configuration is used as a disposable functional material cartridge, for example, by disposing the surface on the film 400 arrangement side facing the bottom surface of the container of the reaction apparatus, the surface on the film arrangement side is Carbon dioxide gas can be applied directionally from the opposite surface to the outside. In this configuration, the wicking material of the reactor is brought into contact with at least one of the water-permeable sheets that may be disposed together with the layers other than the film 400 of the carbon dioxide generating sheet and the carbon dioxide generating sheet. It becomes easy to diffuse the liquid sucked up by the carbon dioxide generating sheet.

  Further, for example, one or both of the carbonate layer 130 and the acid layer 230 may further include a water absorbing material.

  Examples of the water-absorbing material include natural fibers such as pulp, hemp, cotton, silk, wool, and mineral fibers, regenerated fibers such as rayon, and synthetic fibers such as polylactic acid and nylon. The water absorbing material can be used, for example, in the form of a defibrated chopped fiber. Two or more water-absorbing materials may be used in combination. Further, as the water-absorbing material, an auxiliary agent in the form of particles such as water-absorbing resin particles can be used. Examples of the water-absorbing resin particles include carboxymethyl cellulose, polyvinyl alcohol, and a polymer absorber (SAP).

  The carbon dioxide generating sheet shown in FIG. 3C includes a water-absorbing sheet 300 that is a sheet-like water-absorbing material, a carbonate layer 100 that includes a water-absorbing material in the form of fibers and particles, and a water-absorbing sheet 300. And the acid layer 230 and the water absorbing sheet 300 are laminated in order. In the carbonate layer 100 containing a water-absorbing material, in addition to the mixture of the carbonate particles 13 and the heat-fusible resin 16, the absorptive material is disposed on the surface of the water-absorbing sheet 300, and the heat-fusible resin 16 is heated. It is a layer formed through a melting step. In the carbonate layer 100 containing a water-absorbing material, the carbonate particles 13 and the absorbent material are fixed in a state of being partially covered by the heat-fusible resin 16.

  The carbon dioxide generating sheet shown in FIG. 3 (d) is relatively in comparison with the water absorbent sheet 300, the acid layer 200 containing the water absorbent material, the water absorbent sheet 300, the carbonate layer 130, and the water absorbent sheet 300. And a film 400 having low air permeability are sequentially laminated. In the acid layer 200 containing the water-absorbing material, in addition to the mixture of the acid particles 23 and the heat-sealable resin 16, the absorptive material is disposed on the surface of the water-absorbent sheet 300 to heat-melt the heat-sealable resin 16. It is a layer formed through the process. In the acid layer 200 including the water-absorbing material, the acid particles 23 and the absorbent material are fixed in a state where they are partially covered with the heat-fusible resin 16.

  In FIGS. 3C and 3D, the water-absorbing material is blended in only one of the carbonate layer and the acid layer, but the water-absorbing material may be blended in both layers. Thus, in the structure which mix | blends a water absorbing material further with a carbonate layer and / or an acid layer, in addition to having the same powder fall-off prevention effect as the structure shown in FIG. 3A or FIG. Salts and acids can be present dispersed in the thickness direction of the layer due to the presence of the water-absorbing material. Further, the water-absorbing material can gradually permeate moisture. Therefore, when using the carbon dioxide gas generating sheet, the time for starting the reaction between the carbonate and the acid can be widened. As a result, the carbon dioxide gas generating sheet as a whole has a long duration. can do.

  In the layer containing the water-absorbing material, especially when the water-absorbing material is fibrous, the carbonate or acid is easily maintained in the layer due to the presence of the water-absorbing material. Further, the shape of the carbon dioxide generating sheet is easily maintained when the carbonate layer and / or the acid layer contains a water-absorbing material. Therefore, it is possible to improve the yield of carbonate and / or acid during the production, storage and use of the carbon dioxide generating sheet, and prevent powder falling even when subjected to deformation such as folding. be able to. Therefore, loss of the carbon dioxide gas generating agent is prevented, leading to cost reduction. Further, the cost can be reduced by selecting the water-absorbing material itself.

  The configuration of the carbon dioxide generating sheet according to the first aspect of the embodiment of the present invention has been described above with reference to FIGS. However, these are merely examples, and other configurations and combinations of the configurations are also included in the scope of the present invention.

  For example, each of the carbon dioxide generating sheets shown in FIGS. 3A to 3D includes a plurality of layers of the water absorbent sheet 300, but these layers are not necessarily made of the same material.

  For example, the water-absorbent sheet 300 corresponding to the intermediate layer of the carbon dioxide generating sheet may be a water-absorbent sheet 500 (not shown) that has high water retention and can gradually release water inside. In the configuration in which the water absorbent sheet 500 having such a high water retention property is disposed between the carbonate layer 130 and the acid layer 230, moisture such as skin lotion applied to one surface during use is gradually added over time. Can penetrate into the other surface. Therefore, the reaction start time of the carbonate and the acid can be widened, and the carbon dioxide gas generation as the whole carbon dioxide gas generating sheet can be maintained. The outer layer water-absorbent sheet 300 may also be the same material as the water-absorbent sheet 500 having high water retention used for the intermediate layer.

(Carbonate layer)
The carbonate layer is a layer containing carbonate and / or bicarbonate.

  Examples of materials that can be used as carbonates or bicarbonates are as described above, and are not described here.

  The carbonate layer may further contain a heat-fusible resin in addition to the carbonate and / or bicarbonate particles. In this case, the carbonate and / or bicarbonate particles are fixed in the carbonate layer in a state where a part thereof is covered with the heat-fusible resin. Such a carbonate layer is heated by heat by, for example, disposing a mixture of carbonate and / or bicarbonate particles and a heat-fusible resin on the surface of another layer constituting the carbon dioxide generating sheet. It can be formed by melting a fusible resin.

(Acid layer)
The acid layer is a layer containing a solid acid.

  An organic acid can be used as the acid. Examples of the organic acid that can be used are as described above, and thus the description thereof is omitted.

  The acid layer may further contain a heat-fusible resin in addition to the acid particles. In this case, the acid particles are fixed in a state where a part thereof is covered with the heat-fusible resin in the acid layer. Such an acid layer is formed by, for example, arranging a mixture of acid particles and a heat-fusible resin on the surface of one of the other layers constituting the carbon dioxide generating sheet, and heat-fusing the resin by heat. It can be formed by melting.

(Heat-fusion resin)
The heat-fusible resin in the embodiment of the present invention plays a role of a binder that fixes carbonate particles or acid particles in a state where a part of the carbonate particles or acid particles is coated in the carbonate layer and / or acid layer. The heat-fusible resin is, for example, uniformly mixed with carbonate particles or acid particles, placed on the surface of one of the other layers constituting the carbon dioxide generating sheet, heated and melted, In the salt layer and / or the acid layer, the carbonate particles or the acid particles can be fixed in a state of covering a part thereof. The heat-fusible resin can be in the form of particles, fibers, or any other form. The heat-fusible resin is preferably in the form of particles from the viewpoint of uniform mixing with carbonate particles or acid particles in the layer forming step. Moreover, it is desirable that the heat-fusible resin is fibrous from the viewpoint of joining a plurality of carbonate particles or a plurality of acid particles. The heat-fusible resin can be in the form of a shortcut fiber, for example. Various types of heat-fusible resins may be used in combination.

  Examples of the heat-fusible resin include low-density polyethylene (PE) having a melting point of 95 ° C to 130 ° C, high-density polyethylene having a melting point of 120 ° C to 140 ° C, and a homopolymer or block copolymer having a melting point of 160 ° C to 165 ° C. Polypropylene (PP) composed of a polypropylene having a melting point of 135 ° C. to 150 ° C., low melting point polyethylene terephthalate (PET) having a melting point of 110 to 190 ° C., low melting point polyamide having a melting point of 100 to 130 ° C., melting point of 110 ° C. Examples include low-melting polylactic acid having a melting point of ˜150 ° C. and polybutylene succinate having a melting point of 115 ° C. A thermoplastic resin having a melting point exceeding 110 ° C. is preferably used in the embodiment of the present invention. Two or more kinds of heat-fusible resins may be used in combination.

  When the heat-fusible resin is fibrous, the fineness of the heat-fusible fiber is preferably 1 dtex to 120 dtex, and more preferably 1 dtex to 85 dtex. Moreover, it is preferable that the average fiber length of a heat-fusible fiber is 1-100 mm, It is more preferable that it is 1-60 mm, It is further more preferable that it is 2-30 mm. When the fineness and average fiber length of the heat-fusible fiber are within the above ranges, the web layer can be easily formed, and a uniform binding force and a dispersed state can be easily obtained.

  When the heat-fusible resin is in the form of particles, the average particle diameter of the heat-fusible particles is preferably 1 to 1,000 μm, and more preferably 10 to 800 μm. The average particle size of the heat-fusible resin can be appropriately selected within a range in which the carbonate and acid particles to be used are not completely covered.

(Heat-fusion resin composite)
The above heat-fusible resin may be a composite of two or more components. For example, core-sheath fibers in which resins having different melting points are combined, side-by-side fibers using different resins in a cross section perpendicular to the longitudinal direction, and core-shell particles having a core and a shell are included. Among these, core-sheath fibers are preferably used because different types of resins can be easily combined.

  As the core-sheath fiber, a core-sheath fiber whose melting point of the sheath part is lower than the melting point of the core part is preferably used. For example, a PP / PE composite core-sheath fiber provided with a core part made of polypropylene fiber (melting point 160 ° C.) and a sheath part made of polyethylene (melting point 130 ° C.) formed on the outer periphery of the core part can be mentioned.

  Other core sheath fibers include, for example, PET / low melting point PET composite core sheath fiber, high density polyethylene / low density polyethylene composite core sheath fiber, polyethylene / low melting point PET composite core sheath fiber, polyamide / low melting point polyamide composite. Examples include core-sheath fibers, polylactic acid / low melting point polylactic acid composite core-sheath fibers, and polylactic acid / polybutylene succinate composite core-sheath fibers.

  Many common core-sheath fibers have a melting point of the sheath part exceeding 110 ° C., and such core-sheath fibers are preferably used in the embodiment of the present invention.

  When the core-sheath fiber whose melting point of the sheath part is lower than the melting point of the core part is used for the carbon dioxide generating sheet of the embodiment of the present invention, it is heated to a temperature that is higher than the melting point of the sheath part and lower than the melting point of the core part. Then, the resin in the sheath part melts and the resin in the core part maintains its shape. As a result, the molten resin in the sheath part retains carbonate and / or bicarbonate in the carbonate layer and / or retains acid in the acid layer, and the water-absorbing material and the fibers in the core part. The effect which binds the structural components of the structure comprised by this is shown. For this reason, the carbon dioxide generating sheet according to the embodiment of the present invention can provide a sheet having a strength in addition to ensuring a void in the sheet, and can provide a soft and excellent sheet.

  The composite of two or more components as described above can provide heat-fusibility due to the presence of the heat-fusible resin exposed to the outside, and can function as a binder. Therefore, these composites can be blended as a heat-fusible resin in the embodiment of the present invention.

(Water-absorbing material)
In the first aspect of the embodiment of the present invention, a water absorbing material may be contained in at least one of the carbonate layer and the acid layer. Examples of the water absorbing material are as described above. The water absorbing material can be used, for example, in the form of a defibrated chopped fiber. Two or more water-absorbing materials may be used in combination. Further, as the water-absorbing material, an auxiliary agent in the form of particles such as water-absorbing resin particles can be used. Examples of the water-absorbing resin particles include carboxymethyl cellulose, polyvinyl alcohol, and a polymer absorber (SAP).

  The carbonate or acid can be present dispersed in the layer due to the presence of the water-absorbing material. In addition, the absorbent material of the embodiment of the present invention can absorb and hold water and carbonates or acids dissolved in water when using the carbon dioxide generating sheet, while being able to release slowly. Therefore, moisture can be gradually permeated in the carbon dioxide generating sheet. Therefore, when using the carbon dioxide gas generating sheet, the time for starting the reaction between the carbonate and the acid can be widened. As a result, the carbon dioxide gas generating sheet as a whole has a long duration. can do.

(Effect promoter)
One or a plurality of effect accelerators can be blended in the carbon dioxide gas generating sheet of the embodiment of the present invention depending on the application.

  Examples of the effect promoter include: oily base, moisturizer, touch improver, surfactant, polymer, thickener / gelator, solvent, propellant, antioxidant, reducing agent, oxidizing agent, preservative , Antibacterial agents, chelating agents, pH adjusters, acids, alkalis, powders, inorganic salts, UV absorbers, whitening agents, vitamins and their derivatives, anti-inflammatory agents, anti-inflammatory agents, hair-growth agents, blood circulation promoters, Stimulants, hormones, anti-wrinkle agents, anti-aging agents, squeeze agents, cooling sensations, warming sensations, wound healing promoters, stimulation relieving agents, analgesics, cell activators, plant / animal / microbe extracts, antipruritics , Exfoliating / dissolving agent, antiperspirant, refreshing agent, astringent, enzyme, nucleic acid, fragrance, pigment, colorant, dye, pigment, metal-containing compound, unsaturated monomer, polyhydric alcohol, polymer additive Anti-inflammatory analgesic, antifungal, antihistamine, hypnotic sedative, tranquilizer, antihypertensive Antihypertensive diuretics, antibiotics, anesthetics, antibacterial substances, antiepileptics, coronary vasodilators, herbal medicines, adjuvants, wetting agents, thickeners, tackifiers, antipruritics, keratin softening release agents, oily Examples include raw materials, ultraviolet blocking agents, antiseptics, antioxidants, liquid matrices, fat-soluble substances, polymeric carboxylates, additives, metal soaps, and the like.

  An effect promoter can be mix | blended with one or both of a carbonate layer and an acid layer, for example. It can also be added to other layers.

(Water absorbent sheet)
As the water-absorbent sheet 300, any sheet can be used among a sheet having a property of passing moisture (water permeability) and a sheet having a property of absorbing moisture (water absorption). As a sheet | seat which has the property (water permeability) which lets a water pass, it is only necessary to let water pass through and there is no limitation. As the sheet having the property of absorbing moisture (water absorption), a sheet that can take in and retain moisture and release the moisture inside can be used. That is, it can be said that the sheet | seat which has the property (water absorption) which absorbs the water | moisture content applicable to embodiment of this invention is a kind of sheet | seat which has the property (water permeability) which lets water pass. That is, the water absorbent sheet in the carbon dioxide generating sheet can function as a water permeable sheet in the disposable functional material cartridge of the embodiment of the present invention. The water-absorbent sheet 300 has a water absorption rate of 60 seconds or less, more preferably 30 seconds or less, measured according to the sedimentation rate measurement method defined in JIS L1907 standard. Alternatively, the water absorption (or water passage) speed by the dropping method defined in JIS L1907 standard is 60 seconds or less, and more preferably 30 seconds or less. The lower the water absorption, the faster the water-absorbing sheet 300 allows water to pass through, and in the carbon dioxide generating sheet using this, the reaction between carbonate and acid proceeds rapidly, and carbon dioxide is generated intensively in a short time. Can be made. Moreover, since the water absorption sheet 300 can delay the start of reaction of carbonate and an acid, so that water absorption (water | moisture retention power) is high, the duration of generation | occurrence | production of the carbon dioxide gas in the whole carbon dioxide generation sheet | seat Can be lengthened. The water absorbent sheet 300 can be, for example, a non-woven fabric, a cloth, or another sheet having a mesh structure, and can be a special non-woven fabric such as Warif (registered trademark), for example.

  As the water-absorbing sheet 500 having high water retention, any sheet having a property capable of gradually releasing moisture passing through the inside or moisture absorbed inside over time can be used.

  Further, for the purpose of imparting design properties and the like, the surface of the water-absorbent sheet as the outer layer of the carbon dioxide generating sheet may be subjected to surface processing such as unevenness.

  By using a thick sheet or a low-density sheet as the water-absorbing sheet used on the surface, there is an effect of reducing the graininess appearing on the outer surface of the carbon dioxide generating sheet. On the other hand, if a thin sheet or a sheet with high water permeability and air permeability is used, it is difficult to prevent moisture from entering from the surface of the carbon dioxide generating sheet and releasing the generated carbon dioxide to the outside. Easy to get. The water absorbent sheet is appropriately selected according to the use and purpose.

(the film)
As the film 400, any film having a relatively low air permeability as compared with the water absorbent sheet 300 can be used.
When the carbon dioxide gas generating sheet having the configuration using the film 400 is used as a disposable functional material cartridge, for example, by disposing the surface on the film 400 arrangement side so as to face the bottom surface of the container of the reactor, Carbon dioxide gas can be applied directionally from the surface opposite to the surface toward the outside of the container. In this configuration, the wicking material of the reactor is brought into contact with at least one of the water-permeable sheets that may be disposed together with the layers other than the film 400 of the carbon dioxide generating sheet and the carbon dioxide generating sheet. It becomes easy to diffuse the liquid sucked up into the carbon dioxide generating sheet.

The lower the air permeability of the film, the higher the effect of preventing / inhibiting the release of the carbon dioxide gas generated when the carbon dioxide generating sheet is used from the film arrangement side surface. Therefore, by applying the surface opposite to the surface on the film arrangement side toward the outside of the container, there is an effect that carbon dioxide gas can be applied in a directional manner. On the other hand, if the air permeability is low, it becomes difficult to supply the liquid, or the carbon dioxide gas easily enters the sheet. Therefore, the film may have an appropriate air permeability. For example, the air permeability measured by the “fabric and knitted fabric test method” defined in Japanese Industrial Standard JIS L1096: 2010 is preferably 200 cm ³ / cm ² / s or less, more preferably 150 cm ³ / cm ² / s. s or less films can be used. This air permeability is the amount of air permeating the film per unit area and unit time when a predetermined pressure is applied, and the larger the value, the higher the air permeability. By using the other layer of the carbon dioxide generating sheet, in particular, a film having a relatively low air permeability as compared with the water absorbent sheet, directivity can be given to the permeation of carbon dioxide.

  Examples of the film include resin films such as polyester, polyvinyl alcohol, polyethylene, polypropylene, and a composite film of polyethylene and polypropylene.

  In this configuration, in addition to the powder fall-off preventing effect similar to the configuration shown in FIG. 3A, the effect of preventing or suppressing the carbon dioxide gas generated during use from being directedly released from the surface on the film arrangement side. Can play.

(Content ratio of each component)
From the viewpoint of cost, the carbonate and acid in the carbon dioxide generating sheet are preferably used in chemical equivalents, but considering the effect on the skin, the acid is over-blended and the pH after reaction is about 5 It can also be adjusted so that Moreover, the preferable compounding ratio of carbonate and acid may differ depending on the difference in solubility due to factors such as the particle diameter of carbonate and acid, and can be adjusted as appropriate.

  In each of the carbonate layer and the acid layer, the content ratio (mass basis) of the carbonate or acid and the heat-fusible resin can be, for example, 2/98 to 98/2, and 5/95 to 95 / 5 and can be 10/90 to 90/10. When the ratio is in the above range, the carbonate and acid in the in-plane direction of the carbon dioxide generating sheet can be blended uniformly, and powder falling can be suppressed.

  When each of the carbonate layer and the acid layer further contains a water-absorbing material, the content ratio (mass basis) of the carbonate or acid, the heat-fusible resin, and the absorbent material is, for example, 2/49 / 49-96 / 2/2, 6/47 / 47-94 / 3/3, and 10/45 / 45-90 / 5/5. When the ratio is in the above range, the carbonate and the acid can be uniformly disposed in the in-plane direction of the carbon dioxide generating sheet, and can be dispersed in the layer due to the presence of the water-absorbing material. it can. Further, the water-absorbing material of the embodiment of the present invention can absorb and retain water and carbonates or acids dissolved in water when using the carbon dioxide generating sheet, while being able to release slowly. Therefore, moisture can be gradually permeated in the carbon dioxide generating sheet. Therefore, when using the carbon dioxide gas generating sheet, the time for starting the reaction between the carbonate and the acid can be widened. As a result, the carbon dioxide gas generating sheet as a whole has a long duration. can do.

  In addition, an appropriate amount of one or more effect promoters can be blended in one or more of the carbonate layer, acid layer, and other layers.

(Basis weight)
The basis weight of the carbon dioxide generating sheet can be appropriately set according to the application. For example, it is preferably 30 to 300 g / m2.

<Method for producing carbon dioxide generating sheet>
As a method for producing a carbon dioxide generating sheet according to the first aspect of the present embodiment, for example, heat fusion such as polyethylene (PE) with acid particles or carbonate particles on a carrier sheet for conveying a web layer. A uniform mixture with an adhesive resin is arranged, and a web layer that becomes a water-absorbent sheet is laminated thereon, and further, a carbonate or acid particle and a heat-fusible property such as polyethylene (PE) is further formed thereon. There is a method in which a uniform mixture with a resin is disposed, a carrier sheet is further disposed thereon, and the heat-fusible resin is melted by heat treatment and joined. At this time, the water-absorbent sheet of the present invention may be used for the carrier sheet to obtain a carbon dioxide generating sheet having the layer configuration according to the first aspect of the present invention. Moreover, the carbon dioxide gas generating sheet having the layer configuration according to the first aspect of the present embodiment is obtained using an arbitrary film having relatively low air permeability as compared with the other layers as one of the carrier sheets. Also good. The carrier sheet is not essential in the embodiment of the present invention, and may be peeled off from the formed laminate after the heat treatment. In order to prevent the reaction between the carbonate and the acid during production, in the embodiment of the present invention, these laminations are performed by a dry method. As another embodiment, for example, there is a method using a web forming apparatus that employs an airlaid method.

(Manufacturing method of carbon dioxide generating sheet using airlaid method)
The method for producing a carbon dioxide generating sheet of this embodiment that employs the airlaid method includes a defibrating step, a mixing step, a web forming step, and a binding step.

(Defibration process)
The defibrating step is a step of defibrating a shortcut fiber by defibrating a heat-fusible resin in the form of a shortcut fiber with an air flow.

  In the defibrating method using the air flow of the shortcut fiber, an air flow is formed by a blower or the like, the shortcut fiber is supplied to the air flow, and the fiber is defibrated by the stirring effect of the air flow.

  As a defibrating method, it is preferable to defibrate with a swirling air flow. According to the defibrating method using the swirling air flow, the shortcut fiber can be sufficiently defibrated, and the dispersibility of the defibrated shortcut fiber can be further increased when forming the air laid web by the air laid method. .

  As a defibrating method using a swirling air flow, for example, a method of putting a shortcut fiber into the blower and defibrating with the blower can be mentioned. Further, there is a method in which air is sent along a circumferential direction in a cylindrical container by a blower to form a swirling flow, a shortcut fiber is supplied into the swirling flow, and stirring to defibrate.

  The flow rate of the air flow is appropriately selected according to the amount of the shortcut fiber, but is usually in the range of 10 to 150 m / sec.

(Mixing process)
The mixing step is a step of obtaining a web raw material by mixing a heat-fusible resin in the form of a defibrating shortcut fiber and carbonate or acid. At this time, any other material can be mixed at the same time. The shape of any other material may be fibrous or particulate. Examples of arbitrary other materials include auxiliary agents added as necessary, such as water-absorbing resin particles and effect accelerators. There is no particular limitation on the order of addition of these materials, and these materials can be added by, for example, spraying or the like in a step after the mixing step.

  In mixing, in order to improve the dispersibility of the defibrating shortcut fiber, it is preferable to stir the defibrating shortcut fiber and carbonate or acid. However, in order to prevent breakage of the defibration shortcut fiber, it is preferable to apply stirring using an air flow instead of stirring using mechanical shearing force.

  The mixing step may be after the defibrating step or at the same time as the defibrating step. When the mixing step is performed simultaneously with the defibrating step, the defibrating shortcut fiber and carbonate or acid are mixed using an air flow in the defibrating step. Further, carbonate or acid powder may be added to the web forming line of the defibrating shortcut fiber in the particle spraying step described later and mixed.

(Web forming process)
A web formation process is a process of obtaining an airlaid web from a web raw material by the airlaid method. Here, the airlaid method is a method of forming a web by randomly depositing fibers three-dimensionally using an air flow.

(Particle spraying process)
The particle spraying step is a step of blending the powder into the web raw material by a known method. Either a method of forming a web by mixing powder with fibers or a method of dispersing on the surface of the web or carrier sheet may be used.

  In the web forming step in the present embodiment, for example, a web provided with the conveyor 10, the air permeable endless belt 20, the fiber mixture supply means 30, the first carrier sheet supply means 40, the second carrier sheet supply means 50, and the suction box 60. The forming apparatus 1 can be used (not shown).

  Here, the conveyor 10 includes a plurality of rollers 11. The air permeable endless belt 20 is mounted on the conveyor 10 and rotates. The fiber mixture supply means 30 supplies the fiber mixture to the gas permeable endless belt 20 together with the air flow. The first carrier sheet supply means 40 supplies the first carrier sheet 41 toward the gas permeable endless belt 20. The second carrier sheet supply means 50 supplies the second carrier sheet 51 toward the first carrier sheet 41 that has passed through the air-permeable endless belt 20. The suction box 60 sucks the air permeable endless belt 20 from the inside thereof.

  In the web forming apparatus 1, the fiber mixture supply means 30 is installed above the air permeable endless belt 20, the first carrier sheet supply means 40 is installed upstream of the air permeable endless belt 20, and the second carrier sheet. The supply means 50 is installed downstream of the air permeable endless belt 20.

  In the web forming process using the web forming apparatus 1, the rollers 10 are rotated in the same direction to drive the conveyor 10 and rotate the air permeable endless belt 20. Further, the first carrier sheet 41 is fed out from the first carrier sheet supply means 40 so as to come into contact with the permeable endless belt 20.

  Next, while sucking the permeable endless belt 20 by the suction box 60, the fiber mixture is lowered together with the air flow from the fiber mixture supply means 30, and the fiber mixture is dropped onto the first carrier sheet 41 on the permeable endless belt 20. , Deposit. Thereby, the air laid web A is formed.

  Next, the second carrier sheet 51 is supplied from the second carrier sheet supply means 50 on the air laid web A to obtain an air laid web-containing laminated sheet.

(Binding process)
As the binding method, it is preferable to use a thermal bond method from the viewpoint of binding without using water. The binding step by the thermal bond method is a step of heat-treating the air laid web and binding the defibrating shortcut fibers with a heat-fusible resin.

  Examples of the heat treatment of the air laid web include hot air treatment and infrared irradiation treatment, and hot air treatment is preferable from the viewpoint of low cost of the apparatus.

  As the hot air treatment, a method in which the air laid web is heat-treated by bringing it into contact with a through air dryer provided with a rotating drum having air permeability on the peripheral surface (hot air circulation rotary drum method), and the air laid web is passed through a box type dryer. Examples include a method of heat treatment by passing hot air through an air laid web (hot air circulation conveyor oven method).

  When the air laid web is sandwiched between the first carrier sheet and the second carrier sheet as in the present embodiment to form a laminated sheet, the laminated sheet may be subjected to hot air treatment. The first carrier sheet and the second carrier sheet can be peeled from the air laid web after the hot air treatment. The heat treatment temperature may be a temperature at which the heat-fusible resin melts. For example, when using materials such as PP and PE that are generally used for thermal bonding, it is desirable to set the heating temperature to 115 ° C. or higher.

  After the binding step, it may be compressed through a heating roll for the purpose of finely adjusting the thickness and density of the carbon dioxide generating sheet.

(Function and effect)
In the above production method, the carbonate or acid particles and the heat-fusible resin can be blended uniformly. Therefore, gas can be generated uniformly in the in-plane direction of the sheet.

  By blending the carbonate or acid with the heat-fusible resin, the carbonate or acid can be firmly fixed with the heat-fusible resin as a binder in the carbon dioxide generating sheet, so that powder falling can be prevented. .

[Second embodiment]
With reference to FIG. 4, the layer configuration and action and effect of the carbon dioxide generating sheet according to the second aspect of the embodiment of the present invention will be described. Description of the same configuration as the first aspect may be omitted.

<Carbon dioxide generation sheet>
The carbon dioxide generating sheet according to the second aspect of the embodiment of the present invention is a laminate including a carbonate layer and an acid layer, and the carbonate layer and the acid layer are provided adjacent to each other. At least one of the acid layers is a layer containing a water-absorbing material. The carbon dioxide generating sheet according to the second aspect of the present invention is manufactured by a dry method in order to prevent a reaction between the carbonate and the acid during the manufacturing process.

(Layer structure and effects)
FIG. 4 is a diagram showing the configuration of the carbon dioxide generating sheet according to the second aspect of the embodiment of the present invention for the purpose of illustration and not for the purpose of limitation. In the drawings, the same reference numerals indicate the same components. For the same component, a duplicate description may be omitted.

  4A and 4B are examples in which one of the carbonate layer and the acid layer is a layer containing a water-absorbing material, and the other is a layer not containing the water-absorbing material.

  Specifically, the carbon dioxide generating sheet shown in FIG. 4 (a) has a configuration in which an acid layer 200 including a water absorbing material, a carbonate layer 120 not including a water absorbing material, and a water absorbing sheet 300 are sequentially laminated. Have Moreover, the carbon dioxide generating sheet shown in FIG. 2B has a configuration in which a carbonate layer 100 containing a water absorbent material, an acid layer 220 not containing a water absorbent material, and a water absorbent sheet 300 are sequentially laminated. .

  4 (a) and 4 (b), since one of the carbonate layer and the acid layer contains a water-absorbing material, the distribution of carbonate or acid in the thickness direction of the layer is widened and moisture is used during use. Can be gradually infiltrated. Therefore, it is possible to provide a wide range of time for starting the reaction between the carbonate and the acid. Moreover, the carbon dioxide generation as the whole carbon dioxide generation sheet can be maintained.

  4A and 4B, the water absorbent sheet 300 is included on the surface. Therefore, at the time of use, water such as skin lotion can be sufficiently permeated to promote the reaction between the carbonate and the acid. In addition, since the water absorbent sheet 300 is provided so as to cover the upper surfaces of the layers 120 and 220 that do not include the water absorbent material, it is possible to prevent carbonate or acid from falling off the carbon dioxide generating sheet.

  FIG. 4C shows an example in which both the carbonate layer 100 and the acid layer 200 are layers containing a water-absorbing material. Since both the carbonate layer and the acid layer contain water-absorbing materials, the distribution of the carbonate or acid in the thickness direction can be expanded, and moisture can be gradually infiltrated during use, so that the reaction between the carbonate and acid starts. Time can be given a range. Therefore, the carbon dioxide generation as the whole carbon dioxide generation sheet can be maintained.

  4D and 4E are examples in which a water absorbent sheet 300 is further laminated on one side or both sides of the configuration shown in FIG. 4C. Since the water-absorbent sheet 300 is included on the surface, water such as skin lotion can be sufficiently permeated or retained during use to promote the reaction between carbonate and acid. In addition, when the carbon dioxide gas generation sheet of the embodiment of the present invention includes a plurality of layers of the water absorbent sheet 300, they are not necessarily the same material. When the sheet 300 is provided on the surface, the acid or base can be prevented from coming into direct contact with the skin, so that there is an effect of buffering the stimulation by the acid or alkali to the person handling the carbon dioxide generating sheet.

  The carbon dioxide generating sheet shown in FIG. 4 (f) is an example in which a film 400 having relatively low air permeability is provided on the surface not having the water absorbent sheet 300 with respect to the configuration shown in FIG. 4 (d). It is.

  In the configuration of FIG. 4 (f), since the film 400 having relatively low air permeability is provided on one side, carbon dioxide gas generated during use can be prevented or suppressed from being released from the surface on the film arrangement side. . When the carbon dioxide generating sheet having this configuration is used as a disposable functional material cartridge, for example, by disposing the surface on the film 400 arrangement side facing the bottom surface of the container of the reaction apparatus, the surface on the film arrangement side is Carbon dioxide gas can be applied directionally from the opposite side toward the outside of the container.

  The configuration of the carbon dioxide generating sheet of the present invention has been described above with reference to FIGS. 4 (a) to 4 (f). However, these are merely examples, and other configurations, for example, configurations in which the relationship between carbonate and acid is reversed in the figure are also included in the scope of the present invention.

(Carbonate layer)
The carbonate layer is a layer containing carbonate and / or bicarbonate. Since the materials and effects that can be used as carbonate or bicarbonate are as described above, the description thereof is omitted.

(Acid layer)
The acid layer is a layer containing a solid acid. The acid can be an organic acid. Since the materials and effects that can be used as the organic acid are as described above, the description thereof is omitted.

(Layer containing water-absorbing material)
In the first aspect of the above-described embodiment of the present invention, it has been described that a water-absorbing material may be contained in at least one of the carbonate layer and the acid layer. On the other hand, in the second aspect of the embodiment of the present invention, it is an essential constituent requirement that at least one of the carbonate layer and the acid layer contains a water-absorbing material. The layer containing the water-absorbing material is a layer containing the water-absorbing material in the second aspect of the present invention.

(Water-absorbing material)
Since the water-absorbing material that can be used is as described above, the description thereof is omitted.

  The carbonate or acid can be dispersed in the layer due to the presence of the water-absorbing material, and the distribution can be widened in the thickness direction. In addition, the absorbent material of the present invention can absorb and retain water and carbonates or acids dissolved in water when using the carbon dioxide generating sheet, while being able to release slowly. Moisture can be gradually infiltrated in the carbon dioxide generating sheet. Therefore, when using the carbon dioxide gas generating sheet, the time for starting the reaction between the carbonate and the acid can be widened. As a result, the carbon dioxide gas generating sheet as a whole has a long duration. can do.

(Effect promoter)
One or a plurality of effect accelerators can be blended in the carbon dioxide gas generating sheet of the embodiment of the present invention depending on the application.

  Examples of the effect promoter include: oily base, moisturizer, touch improver, surfactant, polymer, thickener / gelator, solvent, propellant, antioxidant, reducing agent, oxidizing agent, preservative , Antibacterial agents, chelating agents, pH adjusters, acids, alkalis, powders, inorganic salts, UV absorbers, whitening agents, vitamins and their derivatives, anti-inflammatory agents, anti-inflammatory agents, hair-growth agents, blood circulation promoters, Stimulants, hormones, anti-wrinkle agents, anti-aging agents, squeeze agents, cooling sensations, warming sensations, wound healing promoters, stimulation relieving agents, analgesics, cell activators, plant / animal / microbe extracts, antipruritics , Exfoliating / dissolving agent, antiperspirant, refreshing agent, astringent, enzyme, nucleic acid, fragrance, pigment, colorant, dye, pigment, metal-containing compound, unsaturated monomer, polyhydric alcohol, polymer additive Anti-inflammatory analgesic, antifungal, antihistamine, hypnotic sedative, tranquilizer, antihypertensive Antihypertensive diuretics, antibiotics, anesthetics, antibacterial substances, antiepileptics, coronary vasodilators, herbal medicines, adjuvants, wetting agents, thickeners, tackifiers, antipruritics, keratin softening release agents, oily Examples include raw materials, ultraviolet blocking agents, antiseptics, antioxidants, liquid matrices, fat-soluble substances, polymeric carboxylates, additives, metal soaps, and the like.

  An effect promoter can be mix | blended with one or both of a carbonate layer and an acid layer, for example. It can also be added to other layers.

(Heat-fusion resin)
The heat-fusible resin in the embodiment of the present invention is a binder resin that binds the water-absorbing material and carbonate or acid. In addition, the heat-fusible resin has an effect of imparting strength to the carbon dioxide generating sheet, and the shape is easily maintained.

  The heat-fusible resin may be fibrous or particulate. From the viewpoint of higher strength, the heat-fusible resin is preferably fibrous. The heat-fusible resin may be in the form of a shortcut fiber, for example.

  Examples of the heat-fusible resin include low-density polyethylene (PE) having a melting point of 95 ° C to 130 ° C, high-density polyethylene having a melting point of 120 ° C to 140 ° C, and a homopolymer or block copolymer having a melting point of 160 ° C to 165 ° C. Polypropylene (PP) composed of a polypropylene having a melting point of 135 ° C. to 150 ° C., low melting point polyethylene terephthalate (PET) having a melting point of 110 to 190 ° C., low melting point polyamide having a melting point of 100 to 130 ° C., melting point of 110 ° C. Examples include low-melting polylactic acid having a melting point of ˜150 ° C. and polybutylene succinate having a melting point of 115 ° C. A thermoplastic resin having a melting point exceeding 110 ° C. is preferably used in the embodiment of the present invention. Two or more kinds of heat-fusible resins may be used in combination.

  When the heat-fusible resin is fibrous, the fineness of the heat-fusible fiber is preferably 1 dtex to 120 dtex, and more preferably 1 dtex to 85 dtex. Moreover, it is preferable that the average fiber length of a heat-fusible fiber is 1-100 mm, It is more preferable that it is 1-60 mm, It is further more preferable that it is 2-30 mm. When the fineness and average fiber length of the heat-fusible fiber are within the above ranges, the web layer can be easily formed, and a uniform binding force and a dispersed state can be easily obtained.

  When the heat-fusible resin is in the form of particles, the average particle diameter of the heat-fusible particles is preferably 1 to 1,000 μm, and more preferably 10 to 800 μm. The average particle size of the heat-fusible resin can be appropriately selected within a range in which the carbonate and acid particles to be used are not completely covered.

(Heat-fusion resin composite)
The heat-fusible resin may be a composite having two or more components. For example, core-sheath fibers in which resins having different melting points are combined, side-by-side fibers using different resins in a cross section perpendicular to the longitudinal direction, and core-shell particles having a core and a shell are included. Among these, core-sheath fibers are preferably used because different types of resins can be easily combined.

  As the core-sheath fiber, a core-sheath fiber whose melting point of the sheath part is lower than the melting point of the core part is preferably used. For example, a PP / PE composite core-sheath fiber provided with a core part made of polypropylene fiber (melting point 160 ° C.) and a sheath part made of polyethylene (melting point 130 ° C.) formed on the outer periphery of the core part can be mentioned.

  Other core sheath fibers include, for example, PET / low melting point PET composite core sheath fiber, high density polyethylene / low density polyethylene composite core sheath fiber, polyethylene / low melting point PET composite core sheath fiber, polyamide / low melting point polyamide composite. Examples include core-sheath fibers, polylactic acid / low melting point polylactic acid composite core-sheath fibers, and polylactic acid / polybutylene succinate composite core-sheath fibers. Many common core-sheath fibers have a melting point of the sheath part exceeding 110 ° C., and such core-sheath fibers are preferably used in the embodiment of the present invention.

When the core-sheath fiber whose melting point of the sheath part is lower than the melting point of the core part is used for the carbon dioxide generating sheet of the embodiment of the present invention, it is heated to a temperature that is higher than the melting point of the sheath part and lower than the melting point of the core part. Then, the resin in the sheath part melts and the resin in the core part maintains its shape. As a result, the molten resin in the sheath part retains carbonate and / or bicarbonate in the carbonate layer and / or retains acid in the acid layer, and the water-absorbing material and the fibers in the core part. The effect which binds the structural components of the structure comprised by this is shown. For this reason, the carbon dioxide generating sheet according to the embodiment of the present invention can provide a sheet having a strength in addition to ensuring a void in the sheet, and can provide a soft and excellent sheet.

(Water absorbent sheet)
Since the usable water absorbent sheet 300 is as described above, the description thereof is omitted. The higher the water absorption (moisture retention), the longer the water absorption sheet 300 can delay the start of the reaction between the carbonate and the acid, so that the carbon dioxide generation time in the entire carbon dioxide generation sheet is prolonged. can do. The water absorbent sheet 300 can be, for example, a non-woven fabric, a cloth, or another sheet having a mesh structure, and can be a special non-woven fabric such as Warif (registered trademark), for example.

  Further, for the purpose of imparting design properties and the like, the surface of the water-absorbent sheet as the outer layer of the carbon dioxide generating sheet may be subjected to surface processing such as unevenness. By using a thick sheet or a low-density sheet as the water-absorbing sheet used on the surface, there is an effect of reducing the graininess appearing on the outer surface of the carbon dioxide generating sheet. On the other hand, if a thin sheet or a sheet with high water permeability and air permeability is used, it is difficult to prevent moisture from entering from the surface of the carbon dioxide generating sheet and releasing the generated carbon dioxide to the outside. Easy to get. The water absorbent sheet is appropriately selected according to the use and purpose.

(the film)
As the film 400, any film having a relatively low air permeability as compared with the water absorbent sheet 300 can be used. When the carbon dioxide gas generating sheet having the configuration using the film 400 is used as a disposable functional material cartridge, for example, by disposing the surface on the film 400 arrangement side so as to face the bottom surface of the container of the reactor, Carbon dioxide gas can be applied directionally from the surface opposite to the surface toward the outside of the container. In this configuration, the wicking material of the reactor is brought into contact with at least one of the water-permeable sheets that may be disposed together with the layers other than the film 400 of the carbon dioxide generating sheet and the carbon dioxide generating sheet. It becomes easy to diffuse the liquid sucked up into the carbon dioxide generating sheet.

The lower the air permeability of the film, the higher the effect of preventing / inhibiting the release of the carbon dioxide gas generated when the carbon dioxide generating sheet is used from the film arrangement side surface. Therefore, by applying the surface opposite to the surface on the film arrangement side toward the outside of the container, there is an effect that carbon dioxide gas can be applied in a directional manner. On the other hand, if the air permeability is low, it becomes difficult to supply the liquid, or the carbon dioxide gas easily enters the sheet. Therefore, the film may have an appropriate air permeability. For example, the air permeability measured by the “fabric and knitted fabric test method” defined in Japanese Industrial Standard JIS L1096: 2010 is preferably 150 cm ³ / cm ² / s or less, more preferably 200 cm ³ / cm ^2. / S or less film can be used. This air permeability is the amount of air permeating the film per unit area and unit time when a predetermined pressure is applied, and the larger the value, the higher the air permeability. By using the other layer of the carbon dioxide generating sheet, in particular, a film having a relatively low air permeability as compared with the water absorbent sheet, directivity can be given to the permeation of carbon dioxide.

  Examples of the film include resin films such as polyester, polyvinyl alcohol, polyethylene, polypropylene, and a composite film of polyethylene and polypropylene.

(Content ratio of each component)
From the viewpoint of cost, the carbonate and acid in the carbon dioxide generating sheet are preferably used in chemical equivalents, but considering the effect on the skin, the acid is over-blended and the pH after reaction is about 5 It can also be adjusted so that Moreover, the preferable compounding ratio of carbonate and acid may differ depending on the difference in solubility due to factors such as the particle diameter of carbonate and acid, and can be adjusted as appropriate.

  In each of the carbonate layer and the acid layer, the content ratio (mass basis) of the carbonate or acid and the heat-fusible resin can be, for example, 2/98 to 98/2, and 5/95 to 95 / 5 and can be 10/90 to 90/10. When the ratio is in the above range, the carbonate and acid in the in-plane direction of the carbon dioxide generating sheet can be blended uniformly, and powder falling can be suppressed.

  When each of the carbonate layer and the acid layer further contains a water-absorbing material, the content ratio (mass basis) of the carbonate or acid, the heat-fusible resin, and the absorbent material is, for example, 2/49 / 49-96 / 2/2, 6/47 / 47-94 / 3/3, and 10/45 / 45-90 / 5/5. When the ratio is in the above range, the carbonate and the acid can be uniformly disposed in the in-plane direction of the carbon dioxide generating sheet, and can be dispersed in the layer due to the presence of the water-absorbing material. it can. In addition, the absorbent material of the embodiment of the present invention can absorb and hold water and carbonates or acids dissolved in water when using the carbon dioxide generating sheet, while being able to release slowly. Therefore, moisture can be gradually permeated in the carbon dioxide generating sheet. Therefore, when using the carbon dioxide gas generating sheet, the time for starting the reaction between the carbonate and the acid can be widened. As a result, the carbon dioxide gas generating sheet as a whole has a long duration. can do.

  In addition, an appropriate amount of one or more effect promoters can be blended in one or more of the carbonate layer, acid layer, and other layers.

(Basis weight)
The basis weight of the carbon dioxide generating sheet can be appropriately set according to the application. For example, it is preferably 30 to 300 g / m2.

<Method for producing carbon dioxide generating sheet>
As a method for producing a carbon dioxide generating sheet according to the second aspect of the embodiment of the present invention, for example, a layer containing a water-absorbing material is produced by a web forming apparatus employing an airlaid method, and other layers are separately provided. A manufacturing method in which layers are stacked can be used. As such a method, a uniform mixture of acid particles or carbonate particles and fusible binder particles such as polyethylene (PE) is placed on the surface of a layer containing a water-absorbing material containing carbonate or acid. There is a method in which a fusible binder is melted by heat and bonded. Alternatively, when a layer containing a water-absorbing material is produced by a web forming apparatus employing the airlaid method, a laminate is formed by using the water-absorbing sheet of the present invention as a carrier sheet for conveying the web layer. A carbon dioxide generating sheet having a layer structure according to the second aspect of the present invention may be obtained. Moreover, you may join each layer of the carbon dioxide gas generation sheet produced separately by embossing or heat seal processing. There is also a method in which an adhesive layer is provided on at least one of the joining surfaces of the layers of the carbon dioxide generating sheet, and the layers are joined. In order to prevent the reaction between the carbonate and the acid during production, in the embodiment of the present invention, these laminations are performed by a dry method.

  In the carbon dioxide generating sheet of the present invention produced by laminating by the dry method, the acid particles and the carbonate particles can be present in the form of particles in separate layers. Therefore, the carbon dioxide generating sheet according to the embodiment of the present invention suppresses both components from easily reacting with moisture in the ambient atmosphere, compared to a configuration in which acid particles and carbonate particles are blended in the same layer. And excellent in stability and storage stability.

(Manufacturing method of carbon dioxide generating sheet using airlaid method)
The method for producing a carbon dioxide generating sheet of this embodiment that employs the airlaid method includes a defibrating step, a mixing step, a web forming step, and a binding step.

(Defibration process)
The defibrating step is a step of defibrating a material in the form of a shortcut fiber to obtain a defibrated shortcut fiber by airflow.

  In the defibrating method using the air flow of the shortcut fiber, an air flow is formed by a blower or the like, the shortcut fiber is supplied to the air flow, and the fiber is defibrated by the stirring effect of the air flow.

  As a defibrating method, it is preferable to defibrate with a swirling air flow. According to the defibrating method using the swirling air flow, the shortcut fiber can be sufficiently defibrated, and the dispersibility of the defibrated shortcut fiber can be further increased when forming the air laid web by the air laid method. .

  As a defibrating method using a swirling air flow, for example, a method of putting a shortcut fiber into the blower and defibrating with the blower can be mentioned. Further, there is a method in which air is sent along a circumferential direction in a cylindrical container by a blower to form a swirling flow, a shortcut fiber is supplied into the swirling flow, and stirring to defibrate.

  The flow rate of the air flow is appropriately selected according to the amount of the shortcut fiber, but is usually in the range of 10 to 150 m / sec.

(Mixing process)
The mixing step is a step of obtaining a web raw material by mixing a water-absorbing material in the form of a defibration shortcut fiber and carbonate or acid. At this time, any other material can be mixed at the same time. The shape of any other material may be fibrous or particulate. Examples of arbitrary other materials include auxiliary agents added as required, such as heat-fusible resins, water-absorbing resin particles, and effect accelerators. There is no particular limitation on the order of addition of these materials, and these materials can be added by, for example, spraying or the like in a step after the mixing step.

  In mixing, in order to improve the dispersibility of the defibrating shortcut fiber, it is preferable to stir the defibrating shortcut fiber and other materials. However, in order to prevent breakage of the defibration shortcut fiber, it is preferable to apply stirring using an air flow instead of stirring using mechanical shearing force.

  The mixing step may be after the defibrating step or at the same time as the defibrating step. When the mixing step is performed simultaneously with the defibration step, the defibration shortcut fiber and an arbitrary material are mixed using an air flow in the defibration step. Further, arbitrary particles may be introduced into the web forming line of the defibrating shortcut fiber in a particle spraying step described later and mixed.

(Web forming process)
A web formation process is a process of obtaining an airlaid web from a web raw material by the airlaid method. Here, the airlaid method is a method of forming a web by randomly depositing fibers three-dimensionally using an air flow.

(Particle spraying process)
The particle spraying step is a step of blending the powder into the web raw material by a known method. Either a method of mixing powder with fibers to form a web or a method of dispersing on the surface of a web or a carrier sheet may be used.

  In the web forming step in the present embodiment, for example, the web forming apparatus 1 described above in the description of the first aspect of the carbon dioxide generating sheet can be used similarly.

(Function and effect)
In the said manufacturing method, particle | grains and the fiber of a water absorbing material can be efficiently contained in the layer containing a water absorbing material. Therefore, there is little material loss and cost reduction can be achieved. In addition, a sheet having a good texture can be easily manufactured.

  The carbonate or the acid can be present in the layer containing the water-absorbing material by being dispersed in the thickness direction of the layer due to the presence of the water-absorbing material. The water-absorbing material can gradually infiltrate moisture, and can widen the reaction start between the carbonate and the acid when using the carbon dioxide generating sheet. As a result, the duration of carbon dioxide generation as the whole carbon dioxide generation sheet can be lengthened.

II. Second example of disposable functional material cartridge [cyclodextrin-containing sheet]
Hereinafter, with reference to FIG. 5 and FIG. 6, the cyclodextrin containing sheet | seat applicable as a disposable functional material cartridge of embodiment of this invention is demonstrated.

  A cyclodextrin-containing sheet that can be applied as a disposable functional material cartridge according to an embodiment of the present invention includes a cyclodextrin-containing layer in which a functional component is included, and the cyclodextrin-containing layer is provided by a dry method. Sheet.

  In the present specification, the term “cyclodextrin in which a functional component is included” is not necessarily limited to the case where the total amount of cyclodextrin having inclusion performance includes the maximum amount of functional component. That is, in this specification, “cyclodextrin in which a functional component is included” means a so-called empty state in which a functional component is not included in addition to a cyclodextrin in which a functional component is included. It can contain cyclodextrin.

  With reference to FIG. 5, the structure of the cyclodextrin containing sheet | seat contained in embodiment of this invention is demonstrated. FIG. 5 is a diagram showing the structure of the cyclodextrin-containing sheet according to the embodiment of the present invention for the purpose of illustration and not for the purpose of limitation. In the drawings, the same reference numerals indicate the same components. For the same component, a duplicate description may be omitted.

  5A to 5C show a cyclodextrin-containing sheet including a cyclodextrin-containing layer 5100 in which a functional component is included, according to an embodiment of the present invention. FIG. 5 (a) is a cyclodextrin-containing sheet consisting only of the cyclodextrin-containing layer 5100. FIGS. 5B and 5C show a cyclodextrin-containing sheet in which another layer 5300 is laminated on one side or both sides of the cyclodextrin-containing layer 5100.

  Thus, the cyclodextrin-containing sheet of the embodiment of the present invention may have a single layer structure, or may have a multilayer structure of two layers, three layers, or four or more layers not shown. The cyclodextrin-containing sheet may include two or more cyclodextrin-containing layers 5100.

  As the other layer 5300, any sheet among a sheet having a property of passing moisture (water permeability) and a sheet having a property of absorbing moisture (water absorption) can be used. As a sheet | seat which has the property (water permeability) which lets a water pass, it is only necessary to let water pass through and there is no limitation. As the sheet having the property of absorbing moisture (water absorption), a sheet that can take in and retain moisture and release the moisture inside can be used. That is, it can be said that the sheet | seat which has the property (water absorption) which absorbs the water | moisture content applicable to embodiment of this invention is a kind of sheet | seat which has the property (water permeability) which lets water pass. These sheets used for the other layer 5300 can function as the water-permeable sheet 8130 in the embodiment of the present invention. The sheet used for the other layer 5300 may have a water absorption rate of 60 seconds or less, more preferably 30 seconds or less, measured according to the sedimentation rate measurement method defined in JIS L1907 standard. Alternatively, the water absorption (or water passage) speed by the dropping method defined in JIS L1907 standard may be 60 seconds or less, and more preferably 30 seconds or less. In the sheet used for the other layer 5300, the lower the water absorption, the faster the speed of passing water. In the cyclodextrin-containing sheet using this, the reaction between the cyclodextrin encapsulating the functional component and the liquid is quick. The functional component can be released in a short time. Moreover, since the water-absorbing sheet 300 can delay the start of the reaction between the cyclodextrin in which the functional component is included and the liquid, as the water-absorbing sheet (water retention ability) is higher, The duration of release of the functional component can be increased. The water absorbent sheet 300 can be, for example, a non-woven fabric, a cloth, or another sheet having a mesh structure, and can be a special non-woven fabric such as Warif (registered trademark), for example.

  As the water-absorbing sheet 500 having high water retention, any sheet having a property capable of gradually releasing moisture passing through the inside or moisture absorbed inside over time can be used.

  The other layer 5300 is intended to impart some functionality to the cyclodextrin-containing sheet, for example, to modify the surface of the cyclodextrin-containing sheet or to impart strength (rigidity) to the cyclodextrin-containing sheet. It is also possible to arrange them with the above. For this purpose, the other layer 5300 can be a sheet of cloth, nonwoven fabric, paper, film, or the like. Another layer 5300 may contain a heat-fusible resin. When the cyclodextrin-containing sheet includes a plurality of layers 5300, these layers 5300 may be the same material or different materials.

  In the cyclodextrin-containing sheet of the embodiment of the present invention, when the cyclodextrin-containing layer 5100 includes only cyclodextrin C in which the functional component is included, the cyclodextrin-containing sheet includes the other layer 5300. It may be used and may be used with a water-permeable sheet as a separate body. Each of the other layer 5300 and the water-permeable sheet as a separate body can function as a water-permeable sheet of the disposable functional cartridge according to the embodiment of the present invention. According to this configuration, the liquid sucked up by the wicking material of the reaction device is diffused in the surface direction by the other layer 5300 or the water-permeable sheet, and the reaction in a wide range can be promoted. Moreover, in the structure containing the other layer 5300, handling of cyclodextrin becomes easy.

  The cyclodextrin C in which the functional component is included is not limited to one type, and a plurality of types can be included. That is, each of the functional component and the cyclodextrin may be one kind or plural kinds. Since the types of functional components and the types of cyclodextrins that can be used in the embodiment of the present invention are as described above, description thereof will be omitted.

  In an embodiment of the present invention, the cyclodextrin-containing layer 5100 contains fibers, a heat-fusible resin, and / or an effect accelerator in addition to cyclodextrin C in which a functional component is included. When the cyclodextrin-containing layer 5100 itself has water permeability, the cyclodextrin-containing sheet may or may not contain the other layer 5300. The water-permeable cyclodextrin-containing layer 5100 and the other layer 5300 can each function as a water-permeable sheet of the disposable functional cartridge according to the embodiment of the present invention. According to this configuration, handling of the cyclodextrin-containing sheet is easy, and the liquid sucked up by the wicking material is diffused in the plane direction by the cyclodextrin-containing layer 5100 and / or the other layer 5300 having water permeability, A wide range of reactions can be encouraged.

  Specific examples as shown in the following first to sixth aspects will be described as an example of a configuration for preventing cyclodextrin C in which the functional component is included from the cyclodextrin-containing sheet from falling off.

(First aspect)
FIG. 5D shows an example in which the cyclodextrin-containing layer 5100 in which the functional component is included contains the fibers F. In the cyclodextrin-containing layer 5110 containing the fiber F, the cyclodextrin powder in which the functional component is included is held in the void formed by the fiber F, that is, the void in the fiber structure formed by the fiber F. This prevents powder falling off.

  The cyclodextrin-containing layer 5110 containing fibers can contain only cyclodextrin C and fibers F in which functional components are included. Further, the cyclodextrin-containing layer 5110 containing fibers may contain a heat-fusible resin, an effect accelerator, and the like in addition to the cyclodextrin C and the fibers F in which the functional components are included. Further, the fiber F itself may be a heat-fusible resin.

  In this embodiment, the cyclodextrin-containing sheet is provided with another layer on one or both sides of the cyclodextrin-containing layer 5110 containing the fibers F for the purpose of imparting functionality such as imparting water permeability, surface modification or strength (rigidity). It may have a multilayer structure (not shown) in which 5300 are stacked.

(Second aspect)
FIG. 5E is an example in which the cyclodextrin-containing layer 5100 in which the functional component is included contains the heat-fusible resin A. The cyclodextrin-containing layer 5120 containing the heat-fusible resin A melts the heat-fusible resin A in the mixture containing the cyclodextrin powder in which the functional component is included and the heat-fusible resin A. Is obtained.

  In the cyclodextrin-containing layer 5120 containing the heat-fusible resin A, the cyclodextrin C in which the functional component is included is partially covered when the molten heat-fusible resin A is solidified. By being fixed, powder fall-off is prevented. The heat-fusible resin A is blended in such an amount that it does not cover the entire cyclodextrin C in which the functional component is included. The cyclodextrin C in which the functional component is included It has a portion that is not covered with the adhesive resin A, and the performance of releasing functional components is guaranteed.

  The cyclodextrin-containing layer 5120 containing the heat-fusible resin A can contain only the cyclodextrin C and the heat-fusible resin A in which the functional components are included. Further, the cyclodextrin-containing layer 5120 containing the heat-fusible resin A contains fibers, an effect accelerator, and the like in addition to the cyclodextrin C and the heat-fusible resin A in which the functional components are included. It may be. Further, the heat-fusible resin A itself may be fibrous.

  In this embodiment, the cyclodextrin-containing sheet is provided on one side or both sides of the cyclodextrin-containing layer 5120 containing the heat-fusible resin A for the purpose of imparting functionality such as imparting water permeability, surface modification or strength (rigidity). In addition, a multilayer structure (not shown) in which another layer 5300 is stacked may be provided.

(Third aspect)
FIG. 5F shows an example in which the layer adjacent to the cyclodextrin-containing layer 5100 in which the functional component is included contains the heat-fusible resin B. The layer 5200 containing the heat-fusible resin B adjacent to the cyclodextrin-containing layer is obtained by disposing the heat-fusible resin B on the surface of the cyclodextrin-containing layer 5100 and melting the heat-fusible resin B by heat. Is obtained.

  The cyclodextrin C containing the functional component contained in the cyclodextrin-containing layer 5100 is solidified when the heat-sealable resin B melted in the layer 5200 containing the heat-sealable resin B adjacent thereto is solidified. The powder is prevented from falling off by being partially covered and fixed. Moreover, the cyclodextrin C in which the functional component is included has a portion not covered with the heat-fusible resin B, and the performance of releasing the functional component is guaranteed.

  The layer 5200 containing the heat-fusible resin B can contain only the heat-fusible resin B. Further, the layer 5200 containing the heat-fusible resin B may contain fibers, an effect accelerator, and the like in addition to the heat-fusible resin B. When these other components are included, the layer 5200 containing the heat-fusible resin B is formed by placing a mixture of the heat-fusible resin B and these other components on the surface of the cyclodextrin-containing layer 5100 and applying heat. It can be obtained by melting the heat-fusible resin B.

  In detail, the cyclodextrin-containing sheet of the example shown in FIG. 5 (f) has a layer 5200 containing the heat-fusible resin B and a cyclodextrin-containing layer 5100 made of cyclodextrin powder in which the functional component is included. And a cyclodextrin-containing layer 5120 containing the heat-fusible resin A. In the case of this example, the cyclodextrin-containing layer 5120 containing the heat-fusible resin A can also contribute to prevention of powder falling-off of the cyclodextrin contained in the cyclodextrin-containing layer 5100 positioned as the intermediate layer. Further, here, the cyclodextrin-containing layer 5100 and the cyclodextrin-containing layer 5120 containing the heat-fusible resin A are illustrated and described as separate layers. A configuration forming the cyclodextrin-containing layer 5120 containing the heat-fusible resin A is also included in this embodiment. According to this aspect, in particular, in the cyclodextrin-containing layer 5120 containing the heat-fusible resin A, when the cyclodextrin powder is unevenly distributed on the surface side, powder falling can be effectively prevented.

  In this embodiment, the layer 5200 containing the heat-fusible resin B may be provided on both sides of the cyclodextrin-containing layer in which the functional component is included.

  In this embodiment, the cyclodextrin-containing sheet is a laminate of a layer 5200 containing a cyclodextrin-containing layer and a heat-fusible resin B for the purpose of imparting functionality such as imparting water permeability, surface modification or strength (rigidity). You may have the multilayer structure (not shown) by which the other layer 5300 was laminated | stacked on the single side | surface or both surfaces of the outer surface of a body.

(Fourth aspect)
The cyclodextrin containing sheet concerning the above-mentioned embodiment of the present invention may be formed by heat seal processing. As an example, FIG. 5G shows a configuration in which another layer 300 containing a heat-fusible resin is laminated on both sides of a cyclodextrin-containing layer 5100 in which a functional component is included, and four sides are heat-sealed. Indicates.

(5th aspect)
FIG. 5H is an example in which an adhesive layer is provided adjacent to the cyclodextrin-containing layer 100 in which the functional component is included. Adhesive layer 5500 adjacent to the cyclodextrin-containing layer is obtained by disposing adhesive layer 5500 on the surface of the cyclodextrin-containing layer. The adhesive layer is not particularly limited as long as it is a layer that exhibits an adhesive function so that cyclodextrin contained in the cyclodextrin-containing layer 5100 is prevented from falling off, and examples thereof include a hot melt adhesive.

  Specifically, the cyclodextrin-containing sheet shown in FIG. 5 (h) is a hot-melt adhesive material such as a thermoplastic resin between the cyclodextrin-containing layer 5100 in which the functional component is included and the other layer 5300. A structure in which an interlayer is bonded by hot melt processing with an adhesive layer 5500 made of an agent interposed therebetween is shown.

  More specifically, in the cyclodextrin-containing sheet of the example shown in FIG. 5 (h), the cyclodextrin-containing layer containing the heat-fusible resin A on the surface opposite to the adhesive layer 5500 of the cyclodextrin-containing layer 5100. 5120. Also in the example of the cyclodextrin-containing sheet shown in FIG. 5 (h), the cyclodextrin-containing layer 5120 containing the heat-fusible resin A is positioned as an intermediate layer, as in the example shown in FIG. 5 (f). Further, the cyclodextrin-containing layer 5100 can contribute to prevention of cyclodextrin from falling off. Further, here, the cyclodextrin-containing layer 5100 and the cyclodextrin-containing layer 5120 containing the heat-fusible resin A are illustrated and described as separate layers. The structure which comprises the cyclodextrin content layer 120 containing the heat-fusible resin A is also contained in this aspect. According to this aspect, in particular, in the cyclodextrin-containing layer 5120 containing the heat-fusible resin A, when the cyclodextrin powder is unevenly distributed on the surface side, powder falling can be effectively prevented.

(Sixth aspect)
The cyclodextrin-containing sheet according to the above-described embodiment of the present invention may be formed by embossing. As an example, FIG. 5 (i) shows a configuration in which layers 5300 are laminated on both sides of a cyclodextrin-containing layer 5120 containing the heat-fusible resin A, and the layers are bonded together by embossing.

  In the above, the structure of the cyclodextrin containing sheet | seat of embodiment of this invention was demonstrated using Fig.5 (a) to (i). However, these are merely examples, and other configurations, for example, combinations of the exemplified embodiments are also included in the scope of the present invention. For example, a layer shown as a cyclodextrin-containing layer 5100 in which functional components are included in the figure is a cyclodextrin-containing layer 5110 containing fibers F or a cyclodextrin-containing layer 5120 containing a heat-fusible resin A. Alternatively, it may be a layer including both the fiber F and the heat-fusible resin A. Similarly, configurations in which layers are replaced between these layers are included in the scope of the present invention.

  Below, the detail of the component of the cyclodextrin containing sheet | seat which concerns on embodiment of this invention is demonstrated.

(Cyclodextrin-containing layer containing functional ingredients)
The cyclodextrin-containing layer in which the functional component of the embodiment of the present invention is included is a layer containing cyclodextrin in a state in which the functional component is included. In the cyclodextrin-containing layer in which the functional component of the embodiment of the present invention is included, in addition to the cyclodextrin in the state in which the functional component is included, the so-called empty in the state in which the functional component is not included. Of cyclodextrin may be included. Cyclodextrin is included as a powder (particle). The cyclodextrin-containing layer in which the functional component is included may contain only the cyclodextrin in which the functional component is included. The cyclodextrin in which the functional component is included is not limited to one type, and a plurality of types may be included. Further, the cyclodextrin-containing layer in which the functional component is included may contain fibers, a heat-fusible resin, an effect accelerator, and the like in addition to the cyclodextrin in which the functional component is included. Good. Furthermore, in the embodiment of the present invention, the cyclodextrin-containing layer in which the functional component is included is included in the cyclodextrin in which the functional component is included (that is, the cyclodextrin in the state in which the functional component is included). In addition, in addition to the so-called empty cyclodextrin in which the functional component is not included, the cyclodextrin in which the functional component is not included (that is, the inclusion performance) So-called empty cyclodextrin may be further blended.

(Cyclodextrin)
Since the cyclodextrin used in the embodiment of the present invention is as described above, description thereof is omitted.

(Functional ingredients)
As the functional component, various functional components can be used depending on the use and purpose of the cyclodextrin-containing sheet.

  Since the functional component that can be used in the embodiment of the present invention is as described above, the description thereof is omitted.

  The functional component can be used alone or in combination in the cyclodextrin-containing sheet.

(Cyclodextrin containing functional ingredients)
Since the cyclodextrin in which the functional component is used, which is used in the embodiment of the present invention, is as described above, the description thereof is omitted.

(fiber)
Examples of fibers include pulp (for example, softwood and / or softwood chemical pulp, semi-chemical pulp, mechanical pulp, waste paper pulp, etc.), rayon, hemp, cotton, silk, wool, mineral fibers and other natural fibers, polylactic acid, Synthetic fibers such as nylon, polyvinyl alcohol (PVA), and polymer absorbent fibers (SAF) can be used. Since these fibers have water absorption properties, they can be formulated as a water absorption material to promote the release of functional components when using a cyclodextrin-containing sheet. When using a cyclodextrin containing a cooling sensation material as a functional component, using a highly water-absorbing fiber such as SAF as a fiber makes it possible to provide a sheet having a strong cooling sensation and a long duration. Moreover, a non-water-absorbing fiber can also be used as the fiber of the present invention. The heat-fusible resin described below may be used in the form of fibers. These fibers can be used, for example, in the form of a defibration shortcut fiber. Two or more of these fibers may be used in combination.

(Heat-fusion resin)
The heat-fusible resin in the embodiment of the present invention is a binder resin that binds the constituent components. The heat-fusible resin has an effect of imparting strength to the cyclodextrin-containing sheet, and the cyclodextrin-containing sheet contains the heat-fusible resin, so that the shape is easily maintained.

  The heat-fusible resins A and B bind the cyclodextrin in which the functional component is included, and, if other components are included, the cyclodextrin and the other component in which the functional component is included. Can do. The heat-fusible resins A and B are prepared by the inclusion of the functional component in the cyclodextrin when melted and solidified so as not to prevent the release of the functional component from the cyclodextrin in which the functional component is included. In such an amount, the powder (particles) is not covered entirely.

  The heat-fusible resin may be fibrous or particulate. From the viewpoint of higher strength, the heat-fusible resin is preferably fibrous. The heat-fusible resin may be in the form of a shortcut fiber, for example.

  Examples of the heat-fusible resin include polyethylene (PE), polypropylene, low melting point polyethylene terephthalate, low melting point polyamide, low melting point polylactic acid, and polybutylene succinate.

  The heat-fusible resin may be a composite of two or more kinds of resins. For example, a core-sheath fiber composed of a core part and a sheath part, a side-by-side fiber made of a resin in which a half on one side and a half on the other side are different in a cross section perpendicular to the longitudinal direction, and a core and a shell made of different resins Examples include core-shell particles.

  Two or more kinds of heat-fusible resins may be used in combination. That is, the heat-sealable resins A and B may be the same heat-sealable resin or different heat-sealable resins. As the heat-fusible resin A and the heat-fusible resin B, one kind of heat-fusible resin may be used, or plural kinds of heat-fusible resins may be used in combination. When the cyclodextrin-containing sheet includes another layer 5300 and the other layer 5300 includes a heat-fusible resin, the heat-fusible resin included in the other layer 5300 is a heat-fusible resin. It may be the same as or different from resins A and B, and may be one type or a combination of a plurality of types.

(Other layers)
The cyclodextrin-containing sheet of the embodiment of the present invention has functions such as imparting water permeability, surface modification and imparting strength (rigidity) in addition to the cyclodextrin-containing layers 5100, 5110 and 5120 in which the functional component is included. Another layer 5300 may be included for the purpose of imparting sex.

  As the other layer 5300, for example, any sheet having a property of passing moisture (water permeability) and / or a property of absorbing moisture (water absorption), such as a nonwoven fabric, cloth, and paper can be used. Moreover, arbitrary films can be used. The other layer 5300 may contain a heat-fusible resin. When a film having relatively low air permeability is used on one surface of the cyclodextrin-containing sheet, it is possible to prevent the released functional component from being diffused from the surface.

  In the case of using a cyclodextrin-containing sheet having a configuration having a film as a disposable functional material cartridge, for example, by arranging the film arrangement side surface to face the bottom surface of the container of the reactor, the film arrangement side surface and It becomes possible to directionally apply the functional component encapsulated in cyclodextrin from the opposite surface to the outside. In this configuration, the wicking material of the reactor is brought into contact with at least one of the water-permeable sheet that may be disposed together with a layer other than the film of the cyclodextrin-containing sheet and the cyclodextrin-containing sheet. It becomes easy to diffuse the sucked liquid into the cyclodextrin-containing sheet carbon dioxide generating sheet.

  The surface of another layer 5300 that is the outer layer of the cyclodextrin-containing sheet may be subjected to surface processing such as unevenness.

(Effect promoter)
In the cyclodextrin-containing sheet of the embodiment of the present invention, one or a plurality of effect promoters can be blended depending on the application.

  Since the materials and effects that can be used as the effect promoter are as described above, the description thereof is omitted.

  An effect promoter can be mix | blended with the cyclodextrin content layer 5100, 5110, 5120 by which the functional component was included. Moreover, when the cyclodextrin-containing sheet has a multilayer structure including a cyclodextrin-containing layer and other layers, it can be blended in any one or a plurality of layers among the plurality of layers.

  For example, when the cyclodextrin-containing sheet has a multilayer structure, an acid may be blended in one layer and a carbonate may be blended in another layer to generate carbon dioxide gas when used.

(Heat seal)
Heat sealing is a method in which heat is applied by a heating means such as a heat sealer to bond the layers. In the embodiment of the present invention, for example, a cyclodextrin-containing layer in which a functional component composed only of cyclodextrin in which a functional component is included is used as an intermediate layer, and a heat-fusible resin is provided on both sides thereof. By disposing the containing layer 5200 and heat-sealing the four corners, a multi-layered cyclodextrin-containing sheet can be formed.

(Adhesive layer)
The method for forming the adhesive layer is not particularly limited, but is preferably an adhesive layer obtained by hot melt processing. Hot melt processing is a processing method in which a thermoplastic resin is melted and extruded to bond the sheets. It can be used for interlayer adhesion when the cyclodextrin-containing layer and other layers are bonded.

  Examples of the thermoplastic resin that can be used for hot-melt processing include ethylene / vinyl acetate copolymer (EVA), and resins generally known as hot-melt adhesives can be used.

(Embossing)
Embossing is a process in which heat is applied with a pressing die carved with uneven patterns. This method can also be used for interlayer adhesion of multilayer structures. In addition, this method can also be used for subjecting a single layer or multi-layered cyclodextrin-containing sheet to surface treatment such as unevenness.

(Content ratio of each component)
As for the compounding quantity of the cyclodextrin in a cyclodextrin containing sheet | seat, the quantity of the powder which occupies for the sheet | seat whole quantity has preferable 0.01 mass% or more. If it is 0.01 mass% or more, a cyclodextrin inclusion component can be effectively released.

(Basis weight)
The basis weight of the cyclodextrin-containing sheet can be appropriately set depending on the application. For example, it is preferably 10 to 4000 g / m ² .

(Formation of cyclodextrin-containing layer by dry method)
In the embodiment of the present invention, the cyclodextrin-containing layer in which the functional component is included is a layer provided by a dry method. Dry methods that can be used in the present invention include any layer forming method that does not use water.

(Method for producing cyclodextrin-containing sheet)
For example, a cyclodextrin-containing layer in which a functional component is included is produced by a web forming apparatus that employs an airlaid method, and when another layer is included, the other layer is separately laminated on the cyclodextrin-containing layer. Manufacturing methods can be used. As such a method, a heat-fusible resin B such as polyethylene (PE) is disposed on the surface of the cyclodextrin-containing layer in which the functional component is included, and the heat-fusible resin B is melted by heat. There is a method of joining. Alternatively, when a cyclodextrin-containing layer (for example, a cyclodextrin-containing layer 5120 containing the heat-fusible resin A) is included in a web forming apparatus that employs an airlaid method, the cyclodextrin-containing layer is included. Embodiments of the present invention include forming a laminate of another layer 5300 and a cyclodextrin-containing layer 5120 by using another layer 5300 of the present invention as a carrier sheet for conveying a web layer to be the layer 5120. You may obtain the cyclodextrin containing sheet | seat which has the layer structure concerning this. Moreover, you may join each layer of the cyclodextrin containing sheet produced separately by embossing or heat seal processing. There is also a method in which an adhesive layer (adhesive layer) is provided on at least one of the joining surfaces of the respective layers of the cyclodextrin-containing sheet with a hot melt adhesive such as a thermoplastic resin, and the respective layers are joined by hot melt processing. In order to prevent release (outflow) of functional components and aggregation of cyclodextrin during production, in the embodiment of the present invention, these layers are laminated by a dry method.

(Method for producing cyclodextrin-containing sheet employing airlaid method)
The method for producing a cyclodextrin-containing sheet of the present embodiment that employs the airlaid method optionally includes a defibrating step, a mixing step, a web forming step, and a binding step.

(Defibration process)
The defibrating step is a step of defibrating a material in the form of a shortcut fiber to obtain a defibrated shortcut fiber by airflow.

  In the defibrating method using the air flow of the shortcut fiber, an air flow is formed by a blower or the like, the shortcut fiber is supplied to the air flow, and the fiber is defibrated by the stirring effect of the air flow.

  As a defibrating method, it is preferable to defibrate with a swirling air flow. According to the defibrating method using the swirling air flow, the shortcut fiber can be sufficiently defibrated, and the dispersibility of the defibrated shortcut fiber can be further increased when forming the air laid web by the air laid method. .

  As a defibrating method using a swirling air flow, for example, a method of putting a shortcut fiber into the blower and defibrating with the blower can be mentioned. Further, there is a method in which air is sent along a circumferential direction in a cylindrical container by a blower to form a swirling flow, a shortcut fiber is supplied into the swirling flow, and stirring to defibrate.

  The flow rate of the air flow is appropriately selected according to the amount of the shortcut fiber, but is usually in the range of 10 to 150 m / sec.

(Mixing process)
The mixing step is a step of obtaining a web raw material by mixing powder (particles) of cyclodextrin in which a functional component is included and a material in the form of a defibrating shortcut fiber (if included). At this time, any other material can be mixed at the same time. The shape of any other material may be fibrous or particulate. Examples of optional other materials include auxiliary agents added as necessary, such as heat-fusible resins and effect accelerators. There is no particular limitation on the order of addition of these materials, and these materials can be added by, for example, spraying or the like in a step after the mixing step.

  In mixing, in order to improve the dispersibility of the defibrating shortcut fiber, it is preferable to stir the defibrating shortcut fiber and other materials. However, in order to prevent breakage of the defibration shortcut fiber, it is preferable to apply stirring using an air flow instead of stirring using mechanical shearing force.

  The mixing step may be after the defibrating step or at the same time as the defibrating step. When the mixing step is performed simultaneously with the defibration step, the defibration shortcut fiber and an arbitrary material are mixed using an air flow in the defibration step. In addition, cyclodextrin powder (particles) and / or arbitrary particles may be charged and mixed into the web forming line of the defibrating shortcut fiber in the particle dispersion step described later.

(Web forming process)
A web formation process is a process of obtaining an airlaid web from a web raw material by the airlaid method. Here, the airlaid method is a method of forming a web by randomly depositing fibers three-dimensionally using an air flow.

(Particle spraying process)
The particle spraying step is a step of blending a material in the form of powder (particles) into the web raw material by a known method. Either a system in which a material in the form of powder (particles) is mixed with fibers to form a web, or a system in which the material is dispersed on the surface of the web or a carrier sheet may be used.

  In the web forming step in the present embodiment, for example, the web forming apparatus 1 described above in the description of the embodiment of the carbon dioxide generating sheet can be used similarly.

(Example of layer structure of cyclotextrin-containing sheet)
With reference to FIG. 6, the example of the laminated constitution of the cyclotextrin containing sheet of embodiment of this invention is shown. This is for illustrative purposes only and does not limit the invention. In addition, the same code | symbol shows the same structure.

  FIG. 6A shows an example of a general-purpose configuration that can be suitably used in any application. Specifically, FIG. 6A shows a cyclodextrin-containing layer 1010 containing cyclodextrin C and a heat-fusible resin A in which functional components are included, and a nonwoven fabric 3010 disposed on both sides thereof. A layer structure consisting of is shown.

  In this example, the nonwoven fabric 3010 is formed by a dry method using wood pulp as a main raw material. The non-woven fabric 3010 may be formed into a sheet by, for example, depositing raw materials using the airlaid method and adhering the surface by spraying a binder. As such a nonwoven fabric, for example, Kinocloth (registered trademark) manufactured by Oji Kinocloth Co., Ltd. can be used. Such a nonwoven fabric has a low web density and is excellent in liquid retention, filterability, bulkiness, and the like. Therefore, it is easy to pass moisture at the time of use, and has a high performance for retaining moisture, which is preferably used. Such a nonwoven fabric 3010 can function as a water-permeable sheet of the disposable functional cartridge according to the embodiment of the present invention.

  In FIG. 6 (b), a cyclodextrin-containing layer 1010 containing cyclodextrin C encapsulated with functional components and a heat-fusible resin A, a non-woven fabric 3010 disposed on one surface thereof, and the like The layer structure which consists of the nonwoven fabric 3020 and the tissue 3030 arrange | positioned in this order on the surface is shown.

  In this example, the nonwoven fabric 3020 disposed between the cyclodextrin-containing layer 1010 and the tissue 3030 may include, for example, pulp and synthetic fibers, and the synthetic fibers include polymer-absorbing fibers (SAF). You may go out. Therefore, the layer of the nonwoven fabric 3020 has high moisture absorption and retention. Here, the cyclodextrin-containing layer 1010 may be present as a layer placed on the surface of the nonwoven fabric 3020, or may be present in a form in which a part or all of it is embedded between the fibers constituting the nonwoven fabric 3020. . That is, the cyclodextrin-containing layer 101 and the nonwoven fabric 3020 may exist separately or may have overlapping portions in the thickness direction of the cyclotexturin-containing sheet. In addition, the tissue 3030 layer, which is an outer layer, is thin and has a low density, and thus has good moisture permeability. Such a layer of tissue 3030 can function as a water-permeable sheet of the disposable functional cartridge according to the embodiment of the present invention. Furthermore, the tissue 3030 can provide a soft touch. Moreover, the layer of the nonwoven fabric 3010 which is the other outer layer can provide a soft touch. In addition, since the nonwoven fabric 3010 has high liquid retention, it has an effect of gradually experiencing the effect of adding cyclodextrin C. Therefore, the sheet having such a configuration is gentle to the hand skin in handling, and tends to exhibit an effect and is easily maintained.

  FIG. 6C shows a cyclodextrin-containing layer 1020 containing fibers in addition to the cyclodextrin C and the heat-fusible resin A in which functional components are included, and tissue 3030 disposed on both sides thereof. A layer structure consisting of is shown.

  In this example, the cyclodextrin-containing layer 1020 is a non-woven fabric layer that includes pulp and synthetic fibers as the fibers, and the synthetic fibers may include polymer-absorbing fibers (SAF). Therefore, the cyclodextrin-containing layer 1020 has high moisture absorption and retention. In addition, the tissue 3030 layer, which is an outer layer, is thin and has a low density, and thus has good moisture permeability. Furthermore, the tissue 3030 can provide a soft touch. Therefore, the sheet having such a configuration is gentle to the hand skin when handled, and tends to exhibit an effect and is easily maintained. In addition, a layer other than tissue can be used as the outer layer, and front and back surfaces can be further provided on the tissue. For example, a layer for preventing the outflow of moisture can be provided on one side. Layer 1020 can contain particles in voids formed by the fibers. Therefore, since the layer 1020 can hold particles in the layer without using a resin as a binder, the layer 1020 may or may not contain the heat-fusible resin A. When the heat-fusible resin A is included, there is an effect of reducing powder falling off.

  FIG. 6D shows a cyclodextrin-containing layer 1030 containing an effect accelerator Y in addition to the cyclodextrin C, the heat-fusible resin A, and the fibers in which the functional component is included, and disposed on one surface thereof. A layer structure including an arbitrary nonwoven fabric 3040 provided and a film 3050 disposed on the other surface is shown.

  In this example, the cyclodextrin-containing layer 1030 is a non-woven fabric layer that includes pulp and synthetic fibers as the fibers, and the synthetic fibers may include polymer-absorbing fibers (SAF). Therefore, the cyclodextrin-containing layer 1030 has high moisture absorption and retention. In this example, the cyclodextrin-containing layer 1030 may contain the effect promoter Y. The effect promoter Y may be any inorganic pigment such as zeolite, activated carbon, or silica. As the effect promoter Y, a material having antibacterial properties and absorbability can be selected.

  Since the layer of the film 3050 serving as the outer layer does not allow or hardly allows moisture to pass therethrough, when the cyclodextrin-containing sheet having the film included in the outer layer is used as a disposable functional material cartridge, for example, the surface on the film placement side is By disposing the reaction device so as to face the bottom surface of the container, the functional component can be applied directionally from the surface opposite to the surface on the film disposition side toward the outside. In this configuration, the wicking material of the reactor is brought into contact with at least one of the water-permeable sheets that may be disposed together with a layer other than the cyclodextrin-containing film 3050 and the cyclodextrin-containing sheet. It becomes easy to diffuse the sucked liquid into the carbon dioxide generating sheet.

  Note that a non-woven fabric with high water repellency may be used instead of the film 3050.

  FIG. 6 (e) shows a cyclodextrin-containing layer 1040 containing cyclodextrin C, heat-fusible resin A, fibers, and effect accelerator Z in which functional components are included, and is disposed on one surface thereof. A layer configuration comprising an optional layer 3060 such as a non-woven fabric and a film formed is shown.

  In this example, the cyclodextrin-containing layer 1040 is a non-woven fabric layer and includes synthetic fibers as fibers. When synthetic fiber is used as the main raw material, it is possible to provide a sheet having high sheet strength and good scraping performance (performance for scraping off solid matter). Synthetic fibers may contain polymer-absorbing fibers (SAF) for the purpose of improving liquid absorbency and liquid retention, and may contain water-absorbing fibers such as pulp for the purpose of improving liquid absorbency. In this example, the cyclodextrin-containing layer 1040 may include an effect promoter Z. The effect promoter Z may be any cleaning component such as citric acid or baking soda. By selecting a cleaning component as the effect promoter Z, the effect of the cyclodextrin-containing sheet used for a cleaning sheet or the like can be promoted. As one variation, the cyclodextrin-containing layer 1040 may be provided with a sheet such as a water-permeable or breathable nonwoven fabric on the surface opposite to the layer 3060.

III. Third example of disposable functional material cartridge [metal oxide and / or metal hydroxide-containing sheet]
Hereinafter, the metal oxide and / or metal hydroxide-containing sheet applicable as the disposable functional material cartridge of the embodiment of the present invention will be described.

(Metal oxide and / or metal hydroxide-containing sheet (nonwoven fabric))
The metal oxide and / or metal hydroxide-containing sheet of the embodiment of the present invention is a nonwoven fabric provided with a layer containing a metal component, and the metal component exists as a metal oxide and / or metal hydroxide. This is a non-woven fabric characterized by the above.

  Here, the “sheet” can also be expressed as “nonwoven fabric”. That is, the sheet of the present invention includes a metal oxide and / or metal hydroxide-containing layer, and the metal oxide and / or metal hydroxide-containing layer is provided by a dry method. Or it can also be said to be a metal hydroxide-containing sheet.

  In this case, the “metal oxide and / or metal hydroxide-containing layer” corresponds to the “layer containing a metal component”, and the metal of the metal component is a metal that comes into contact with water and becomes a strong alkali. It is a metal constituting an oxide or a metal hydroxide, preferably a divalent metal, more preferably a metal of Group 2 element of the periodic table, and more preferably M (wherein M is Mg, Ca, Sr) Or Ba)), particularly preferably an alkaline earth metal.

  Hereinafter, in the present specification, “metal oxide and / or metal hydroxide” is also referred to as “metal (water) oxide”. Further, the “layer containing a metal component” is also referred to as a “metal oxide and / or metal hydroxide-containing layer” or a “metal (water) oxide-containing layer”. The nonwoven fabric of the present invention is also referred to as a metal oxide and / or metal hydroxide-containing sheet, a metal (water) oxide-containing nonwoven fabric, or a metal (water) oxide-containing sheet.

  Hereinafter, the structure of the metal (water) oxide-containing sheet included in the scope of the present invention will be described. Since the basic configuration is the same as the cyclodextrin-containing sheet described with reference to FIG. 5, FIG. 5 is used for the description. FIG. 5 is a diagram showing the structure of the metal (water) oxide-containing sheet of the present invention for the purpose of illustration and not for the purpose of limitation. In the drawings, the same reference numerals indicate the same components. For the same component, a duplicate description may be omitted.

  5A to 5C show a metal (water) oxide-containing sheet including a metal (water) oxide-containing layer 5100 according to an embodiment of the present invention. FIG. 5A shows a metal (water) oxide-containing sheet composed only of the metal (water) oxide-containing layer 5100. FIGS. 5B and 5C are metal (water) oxide-containing sheets in which another layer 5300 is laminated on one side or both sides of the metal (water) oxide-containing layer 5100.

  Thus, the metal (water) oxide-containing sheet according to the embodiment of the present invention may have a single layer structure, and may have a multilayer structure of two layers, three layers, or four or more layers not shown. It may be. The metal (water) oxide-containing sheet may include two or more metal (water) oxide-containing layers 5100. The other layer 5300 is made of metal (water), for example, for the purpose of modifying the surface of the metal (water) oxide-containing sheet or for imparting water permeability or strength (rigidity) to the metal (water) oxide-containing sheet. ) It can be disposed for the purpose of imparting some functionality to the oxide-containing sheet. For the other layer 5300, for example, a sheet of cloth, nonwoven fabric, paper, film, or the like can be used. Another layer 5300 may contain a heat-fusible resin. When the metal (water) oxide-containing sheet includes a plurality of layers 5300, these layers 5300 may be the same material or different materials.

  The metal (water) oxide-containing layer 5100 can contain only the metal (water) oxide C. At this time, it is not limited to one type, and a plurality of types of metal (water) oxides C can be included. The type of metal (water) oxide is as described above.

  In the metal oxide and / or metal hydroxide-containing sheet of the embodiment of the present invention, the metal oxide and / or metal hydroxide-containing layer 100 contains only the metal oxide and / or metal hydroxide. If present, the metal oxide and / or metal hydroxide containing sheet may include other layers 5300 and may be used with a separate water permeable sheet. Each of the other layer 5300 and the water-permeable sheet as a separate body can function as a water-permeable sheet of the disposable functional cartridge according to the embodiment of the present invention. According to this configuration, the liquid sucked up by the wicking material of the reaction device is diffused in the surface direction by the other layer 5300 or the water-permeable sheet, and the reaction in a wide range can be promoted. In the structure including the other layer 5300, handling of the metal oxide and / or metal hydroxide is easy.

  In addition to the metal (water) oxide C, the metal (water) oxide-containing layer 5100 may contain fibers, a heat-fusible resin, an effect accelerator, and the like.

  As an example of the configuration for preventing the metal (water) oxide C from falling off from the metal (water) oxide-containing sheet, specific modes as shown in the following first to sixth modes will be described.

(First aspect)
FIG. 5D is an example in which the metal (water) oxide-containing layer 5100 includes fibers F. In the metal (water) oxide-containing layer 5110 containing the fibers F, the metal (water) oxide powder is held in the voids formed by the fibers F, that is, the voids in the fiber structure formed by the fibers F. This prevents powder falling off.

  The metal (water) oxide-containing layer 5110 containing fibers can contain only metal (water) oxide C and fibers F. In addition to the metal (water) oxide C and the fiber F, the metal (water) oxide-containing layer 5110 containing fibers may include a heat-fusible resin, an effect accelerator, and the like. Further, the fiber F itself may be a heat-fusible resin.

  In this embodiment, the metal (water) oxide-containing sheet is one or both sides of the metal (water) oxide-containing layer 5110 containing the fibers F for the purpose of imparting functionality such as surface modification and strength (rigidity). In addition, a multilayer structure (not shown) in which another layer 5300 is stacked may be provided.

  Here, in the metal (water) oxide-containing layer, the metal (water) oxide is fixed by a heat-fusible resin (heat-fusible fiber). In the present embodiment, the metal (water) oxide powder in the metal (water) oxide-containing layer is a void formed by a heat-fusible resin (heat-fusible fiber), that is, a heat-fusible resin (heat The fusible fiber) is held in the voids in the structure.

(Second aspect)
FIG. 5E is an example in which the metal (water) oxide-containing layer 5100 includes the heat-fusible resin A. The metal (water) oxide-containing layer 5120 containing the heat-fusible resin A melts the heat-fusible resin A in the mixture containing the metal (water) oxide C powder and the heat-fusible resin A. It was obtained by this. In this example, the metal (water) oxide C powder in the metal (water) oxide-containing layer is fixed (bound or bound) in a state where a part of the powder is coated with the heat-fusible resin A. Also called fixation).

  In the metal (water) oxide-containing layer 5120 containing the heat-fusible resin A, the metal (water) oxide C is partially covered when the molten heat-fusible resin A is solidified. By being fixed, powder fall-off is prevented. Further, the heat-fusible resin A is blended in such an amount that does not cover the entire metal (water) oxide C, and the metal (water) oxide D is covered with the heat-fusible resin A. There is no part, and contact with water and elution are guaranteed when using the sheet.

  The metal (water) oxide-containing layer 5120 containing the heat-fusible resin A can contain only the metal (water) oxide C and the heat-fusible resin A. In addition to the metal (water) oxide C and the heat-fusible resin A, the metal (water) oxide-containing layer 5120 containing the heat-fusible resin A contains fibers, an effect accelerator, and the like. It may be. Further, the heat-fusible resin A itself may be fibrous.

  In this embodiment, the metal (water) oxide-containing sheet is a metal (water) oxide-containing layer 5120 containing the heat-fusible resin A for the purpose of imparting functionality such as surface modification or strength (rigidity). It may have a multilayer structure (not shown) in which another layer 5300 is laminated on one side or both sides.

(Third aspect)
FIG. 5F shows an example in which the layer adjacent to the metal (water) oxide-containing layer 5100 includes the heat-fusible resin B. The layer 5200 containing the heat-fusible resin B adjacent to the metal (water) oxide-containing layer is disposed by placing the heat-fusible resin B on the surface of the metal (water) oxide-containing layer 5100 and heat-sealing by heat. It is obtained by melting the functional resin B. In this example, the metal (water) oxide C powder in the metal (water) oxide layer is fixed in a state where a part of the powder is coated with the heat-fusible resin B.

  The metal (water) oxide C contained in the metal (water) oxide-containing layer 5100 is solidified when the heat-fusible resin B melted in the layer 5200 containing the heat-fusible resin B adjacent thereto is solidified. By partly covering and fixing, powder falling is prevented. Moreover, the metal (water) oxide C has a part which is not coat | covered with the heat-fusible resin B, and the contact and elution with water at the time of sheet | seat use are ensured.

  The layer 5200 containing the heat-fusible resin B can contain only the heat-fusible resin B. Further, the layer 5200 containing the heat-fusible resin B may contain fibers, an effect accelerator, and the like in addition to the heat-fusible resin B. In the case where these other components are included, the layer 5200 containing the heat-fusible resin B arranges the mixture of the heat-fusible resin B and these other components on the surface of the metal (water) oxide-containing layer 5100. It can be obtained by melting the heat-fusible resin B with heat.

  The metal (water) oxide-containing sheet of the example shown in FIG. 5 (f) is specifically a metal (water) oxidation layer 5200 containing a heat-fusible resin B and a metal (water) oxide powder. It has a three-layer structure including a material-containing layer 5100 and a metal (water) oxide-containing layer 5120 containing the heat-fusible resin A. In this example, the metal (water) oxide-containing layer 5120 containing the heat-fusible resin A is also made of the metal (water) oxide contained in the metal (water) oxide-containing layer 5100 positioned as the intermediate layer. Can contribute to prevention of powder falling. Although the metal (water) oxide-containing layer 5100 and the metal (water) oxide-containing layer 5120 containing the heat-fusible resin A are illustrated and described as separate layers here, the two layers are integrated. A configuration in which the metal (water) oxide-containing layer 5120 including one layer of the heat-fusible resin A is included in this embodiment. According to this aspect, in particular, in the metal (water) oxide-containing layer 5120 containing the heat-fusible resin A, powder removal is effective when the metal (water) oxide powder is unevenly distributed on the surface side. Can be prevented.

  In this embodiment, the layer 5200 containing the heat-fusible resin B may be provided on both surfaces of the metal (water) oxide-containing layer. That is, for example, a configuration (not shown) including a layer 5200 containing the heat-fusible resin B, a metal (water) oxide-containing layer, and a layer 5200 containing the heat-fusible resin B in this order, It is the range of this aspect.

  In this embodiment, the metal (water) oxide-containing sheet is a metal (water) oxide-containing layer and a heat-fusible resin for the purpose of imparting functionality such as water permeability, surface modification and strength (rigidity). You may have the multilayer structure (not shown) by which the other layer 5300 was laminated | stacked on the single side | surface or both surfaces of the outer surface of the laminated body of the layer 5200 containing B.

(Fourth aspect)
The metal (water) oxide-containing sheet according to the above-described embodiment of the present invention may be formed by heat sealing. As an example, FIG. 5G shows a configuration in which another layer 5300 containing a heat-fusible resin is laminated on both surfaces of a metal (water) oxide-containing layer 5100 and the four sides are heat-sealed.

(5th aspect)
FIG. 5H is an example in which an adhesive layer is provided adjacent to the metal (water) oxide-containing layer 5100. Adhesive layer 5500 adjacent to the metal (water) oxide-containing layer is obtained by disposing an adhesive layer on the surface of the metal (water) oxide-containing layer. The adhesive layer is not particularly limited as long as it is a layer exhibiting an adhesive function so as to prevent the metal (water) oxide contained in the metal (water) oxide-containing layer 5100 from falling off. Agents and the like.

  Specifically, the metal (water) oxide-containing sheet shown in FIG. 5 (h) is a hot-melt adhesive, such as a thermoplastic resin, between the metal (water) oxide-containing layer 5100 and the other layer 5300. A structure in which an interlayer is bonded by hot melt processing with an adhesive layer 5500 made of an agent interposed therebetween is shown.

  More specifically, the metal (water) oxide-containing sheet of the example shown in FIG. 5 (h) is thermally fused on the surface of the metal (water) oxide-containing layer 5100 opposite to the adhesive layer 5500. A metal (water) oxide-containing layer 5120 containing the resin A is included. Also in the metal (water) oxide-containing sheet of the example shown in FIG. 5 (h), the metal (water) oxide-containing layer containing the heat-fusible resin A is the same as the case of the example shown in FIG. 5 (f). 5120 can contribute to prevention of powder falling of the metal (water) oxide contained in the metal (water) oxide-containing layer 5100 positioned as the intermediate layer. Although the metal (water) oxide-containing layer 5100 and the metal (water) oxide-containing layer 5120 containing the heat-fusible resin A are illustrated and described as separate layers here, the two layers are integrated. A configuration in which the metal (water) oxide-containing layer 5120 including one layer of the heat-fusible resin A is included in this embodiment. According to this aspect, in particular, in the metal (water) oxide-containing layer 5120 containing the heat-fusible resin A, powder removal is effective when the metal (water) oxide powder is unevenly distributed on the surface side. Can be prevented.

  In this embodiment, the other layer 5300 via the adhesive layer 5500 may be provided on both surfaces of the metal (water) oxide-containing layer. That is, for example, the configuration (not shown) including the other layer 5300, the adhesive layer 5500, the metal (water) oxide-containing layer, the adhesive layer 5500, and the other layer 5300 in this order is the present aspect. Range. At this time, the adhesive layers 5500 and the other layers 5300 provided on both surfaces may be the same or different. The other layer 5300 is a layer provided for the purpose of imparting functionality such as surface modification or strength (rigidity), and details thereof will be described later.

(Sixth aspect)
The metal (water) oxide-containing sheet according to the above-described embodiment of the present invention may be formed by embossing. As an example, FIG. 5 (i) shows a configuration in which layers 5300 are laminated on both surfaces of a metal (water) oxide-containing layer 5120 containing the heat-fusible resin A, and the layers are bonded together by embossing.

  In the above, the structure of the metal (water) oxide containing sheet | seat of embodiment of this invention was demonstrated using Fig.5 (a) to (i). However, these are merely examples, and other configurations, for example, combinations of the exemplified embodiments are also included in the scope of the present invention. For example, a layer shown as a metal (water) oxide-containing layer 5100 in the figure includes a metal (water) oxide-containing layer 5110 containing fibers F or a metal (water) oxide containing heat-fusible resin A. The layer 5120 may be sufficient, or the layer containing both the fiber F and the heat-fusible resin A may be sufficient. Similarly, configurations in which layers are replaced between these layers are included in the scope of the present invention.

  Below, the detail of the component of the metal oxide and / or metal hydroxide containing sheet | seat which concerns on embodiment of this invention is demonstrated.

(Layer containing metal component (metal oxide and / or metal hydroxide-containing layer))
The nonwoven fabric of embodiment of this invention is provided with the layer containing a metal component. Here, the layer containing a metal component is also referred to as a metal component-containing layer, a metal oxide and / or metal hydroxide-containing layer, or a metal (water) oxide-containing layer. That is, the metal component exists as a metal oxide and / or a metal hydroxide. The metal oxide and / or metal hydroxide is included as a powder (particle). The metal oxide and / or metal hydroxide-containing layer can contain only metal oxide, can contain only metal hydroxide, and can contain metal oxide and metal water. Oxides can be included. Each of the metal oxide and the metal hydroxide is not limited to one type, and a plurality of types may be included. In addition to the metal oxide and / or metal hydroxide, the metal oxide and / or metal hydroxide-containing layer may contain fibers, a heat-fusible resin, an effect accelerator, and the like. Good.

(Metal oxide)
As described above, the metal oxide used in the present invention is a metal oxide that becomes strong alkali when contacted with water, preferably a divalent metal oxide, more preferably a Group 2 element of the periodic table. More preferably, it is a metal oxide represented by MO (wherein M is Mg, Ca, Sr or Ba), particularly preferably an alkaline earth metal oxide. As non-limiting examples, magnesium oxide (11.4), calcium oxide (12.7), strontium oxide (13.2), barium oxide (13.4), and manganese oxide (10.6) are preferably used. can do. The numerical value in parentheses after the substance name indicates the value of the acid dissociation constant pKa. The metal oxide to be used can be selected according to a use or a desired effect. For example, in applications that come into contact with food, calcium oxide is preferably used from the viewpoint of safety and the like. These metal oxides can be used alone or in combination.

(Metal hydroxide)
As described above, the metal hydroxide used in the present invention is a metal hydroxide that becomes strong alkali upon contact with water, preferably a divalent metal hydroxide, and more preferably a periodic table. A metal hydroxide of a Group 2 element, more preferably a metal hydroxide represented by M (OH) ₂ (wherein M is Mg, Ca, Sr or Ba), particularly preferably Alkali earth metal hydroxide. Non-limiting examples include magnesium hydroxide (11.4), calcium hydroxide (12.7), strontium hydroxide (13.2), barium hydroxide (13.4), and manganese hydroxide (10. 6) can be preferably used. The numerical value in parentheses after the substance name indicates the value of the acid dissociation constant pKa. The metal hydroxide to be used can be selected according to a use or a desired effect. For example, in applications that come into contact with food, calcium hydroxide is preferably used from the viewpoint of safety and the like. These metal hydroxides can be used alone or in combination.

  Thus, the layer containing the metal component is a layer containing a metal oxide and / or metal hydroxide, and the metal component constituting the metal oxide and / or metal hydroxide is the metal oxide. The metal component in which the product and / or metal hydroxide comes into contact with water and becomes strong alkali. The metal component is preferably a divalent metal, more preferably a metal of a Group 2 element of the periodic table, and still more preferably a metal represented by M (wherein M is Mg, Ca, Sr or Ba). Yes, particularly preferably an alkaline earth metal.

  The metal oxide and / or metal hydroxide used in the embodiment of the present invention is used in the form of powder (particles). The metal oxide and / or metal hydroxide in the form of powder (particles) can be obtained by any method known in the art, and can be purchased from the manufacturer. For example, in the case of calcium oxide, Okhotsk calcium manufactured by Natural Japan Co., Ltd., scallop shell baked powder manufactured by Unicera Co., Ltd., and the like can be suitably used. For example, in the case of calcium hydroxide, Scarlow (registered trademark) manufactured by Antibacterial Research Institute, Inc. and sold by Hishie Chemical Co., Ltd. can be suitably used. In the case of calcium oxide or calcium hydroxide, calcium (calcium carbonate) obtained from scallop shells can be suitably used as the calcium raw material, but is not limited to this, and shells of other shells (for example, oysters) For example, sea urchin shells), animal bones (for example, sea urchin shells), and minerals.

  The average particle diameter of the metal oxide and / or metal hydroxide powder (particles) is not limited, but is preferably 1-1000 μm, more preferably 2-800 μm. If the average particle size is too small, there are concerns such as dropping off from the sheet (nonwoven fabric) and reduction in work efficiency due to scattering in the production process. Moreover, when the said average particle diameter is too large, it may become difficult to mix | blend uniformly with the whole nonwoven fabric.

(fiber)
As a fiber, what was demonstrated about the cyclodextrin containing sheet | seat can be used similarly.

(Heat-fusion resin)
The heat-fusible resin in the embodiment of the present invention is a binder resin that binds the constituent components. The heat-fusible resin has an effect of imparting strength to the metal (water) oxide-containing sheet, and the shape of the metal (water) oxide-containing sheet is easily maintained by including the heat-fusible resin. .

  The heat-fusible resins A and B can bind metal (water) oxides and other components when they contain metal (water) oxides and other components. When the heat-fusible resins A and B are melted and solidified so as not to prevent contact and elution of the metal (water) oxide with water, the entire powder (particles) of the metal (water) oxide is removed. The amount is such that it does not cover.

  The heat-fusible resin may be fibrous or particulate. From the viewpoint of higher strength, the heat-fusible resin is preferably fibrous. The heat-fusible resin may be in the form of a shortcut fiber, for example.

  As the heat-fusible resin, those described for the cyclodextrin-containing sheet can be similarly used.

(Other layers)
In addition to the metal (water) oxide-containing layers 5100, 5110, and 5120, the metal (water) oxide-containing sheet according to the embodiment of the present invention is intended to provide functionality such as surface modification and strength (rigidity). Other layers 5300 can be included.

  As the other layer 5300, for example, any sheet having a property of passing moisture (water permeability) and / or a property of absorbing moisture (water absorption), such as a nonwoven fabric, cloth, and paper can be used. Moreover, arbitrary films can be used. The other layer 5300 may contain a heat-fusible resin. When a film having relatively low water permeability is used on one surface of the metal (water) oxide-containing sheet, it is possible to prevent the antibacterial agent from eluting from the surface when the sheet is used. That is, it is possible to promote the release of the antibacterial agent component from the other surface.

  The surface of the other layer 5300 that is the outer layer of the metal (water) oxide-containing sheet may be subjected to surface processing such as concavity and convexity and processing such as formation of holes and slits. For example, a perforated film in which a large number of holes such as a sanitary material surface material are formed on one or both surfaces of a metal (water) oxide-containing sheet or a film having slits can be preferably used. With such a configuration, the metal (water) oxide can be easily dissolved by the holes and slits when the sheet is used.

(Effect promoter)
One or a plurality of effect accelerators can be blended in the metal (water) oxide-containing sheet of the present invention depending on its use.

  Examples of the effect promoter that can be blended are as described above, and a description thereof is omitted here.

  The effect accelerator can be blended in the metal (water) oxide-containing layers 5100, 5110, and 5120. In addition, when the metal (water) oxide-containing sheet has a multilayer structure including a metal (water) oxide-containing layer and another layer, it is blended in any one or a plurality of layers. can do.

(Heat seal processing)
Heat sealing is a method in which heat is applied by a heating means such as a heat sealer to bond the layers. In the embodiment of the present invention, for example, a metal (water) oxide-containing layer made of only a metal (water) oxide is used as an intermediate layer, and layers 5200 containing a heat-fusible resin are disposed on both sides thereof. By heat-sealing the four corners, a metal (water) oxide-containing sheet having a multilayer structure can be formed.

(Adhesive layer)
The method for forming the adhesive layer is not particularly limited, but is preferably an adhesive layer obtained by hot melt processing. Hot melt processing is a processing method in which a thermoplastic resin is melted and extruded to bond the sheets. It can be used for interlayer adhesion when joining a metal (water) oxide-containing layer and another layer.

  Examples of the thermoplastic resin that can be used for hot-melt processing include ethylene / vinyl acetate copolymer (EVA), and resins generally known as hot-melt adhesives can be used.

(Embossing)
Embossing is a process in which heat is applied with a pressing die carved with uneven patterns. This method can also be used for interlayer adhesion of multilayer structures. This method can also be used for surface treatment such as irregularities on a single layer or multilayer structure metal (water) oxide-containing sheet.

(Content ratio of ingredients)
The amount of the metal (water) oxide in the metal (water) oxide-containing sheet varies depending on the use and desired effect, but from the viewpoint of the antibacterial performance of the metal (water) oxide, the powder occupies the total amount of the sheet Is preferably 0.01% by mass or more, more preferably 0.2% by mass or more, further preferably 0.5% by mass or more, and particularly preferably 1% by mass or more. Moreover, from the viewpoint of exhibiting deodorizing properties of the metal (water) oxide, the amount of powder in the total amount of the sheet is preferably 1% by mass or more, although it depends on the type of gas to be deodorized, preferably 3% by mass. More preferably, it is more preferably 5% by mass or more, still more preferably 8% by mass or more, and particularly preferably 10% by mass or more. From the viewpoint of preventing metal (water) oxide from falling off, the amount of the metal (water) oxide powder in the total amount of the metal (water) oxide-containing sheet is preferably 60% by mass or less, and 50% by mass. % Or less is more preferable, and 40% by mass or less is further preferable.

(Basis weight)
The basis weight of the metal (water) oxide-containing sheet can be appropriately set depending on the application. For example, 10 to 4000 g / m ² is preferable, 30 to 3000 g / m ² is more preferable, and 50 to 300 g / m ² is more preferable. When the basis weight is too small, it may be difficult to produce a uniform sheet (nonwoven fabric), and when the basis weight is too large, handling during use may be deteriorated.

(Formation of metal oxide and / or metal hydroxide-containing layer by dry method)
In the embodiment of the present invention, the metal (water) oxide-containing layer is a layer provided by a dry method. Dry methods that can be used in the present invention include any layer forming method that does not use water.

(Method for producing metal oxide and / or metal hydroxide-containing sheet)
For example, a metal (water) oxide-containing layer is produced by a web forming apparatus employing an airlaid method, and when another layer is included, the other layer is separately laminated on the metal (water) oxide-containing layer. Manufacturing methods can be used. As such a method, a heat-fusible resin B such as polyethylene (PE) is disposed on the surface of the metal (water) oxide-containing layer, and the heat-fusible resin B is melted by heat and bonded. There is a way. Alternatively, when a metal (water) oxide-containing layer (for example, a metal (water) oxide-containing layer 5120 containing the heat-fusible resin A) is produced by a web forming apparatus employing an airlaid method, the metal (water ) By using the other layer 5300 of the present invention in the carrier sheet for conveying the web layer to be the oxide-containing layer 5120, a laminate of the other layer 5300 and the metal (water) oxide-containing layer 5120 is formed. And you may obtain the metal (water) oxide containing sheet | seat which has the layer structure which concerns on embodiment of this invention. Moreover, you may join each layer of the metal (water) oxide containing sheet produced separately by embossing or heat seal processing. Also, a method of providing an adhesive layer (adhesive layer) with a hot melt adhesive such as a thermoplastic resin on at least one of the joining surfaces of the respective layers of the metal (water) oxide-containing sheet, and joining the layers by hot melt processing There are also. In order to prevent contact and dissolution of metal (water) oxide with water during production, in the embodiment of the present invention, these laminations are performed by a dry method.

(Method for producing metal oxide and / or metal hydroxide-containing sheet employing airlaid method)
The method for producing a metal (water) oxide-containing sheet according to this embodiment that employs the airlaid method optionally includes a defibrating step, a mixing step, a web forming step, and a binding step.

(Defibration process)
The defibrating step is a step of defibrating a material in the form of a shortcut fiber to obtain a defibrated shortcut fiber by airflow.

  In the defibrating method using the air flow of the shortcut fiber, an air flow is formed by a blower or the like, the shortcut fiber is supplied to the air flow, and the fiber is defibrated by the stirring effect of the air flow.

  As a defibrating method, it is preferable to defibrate with a swirling air flow. According to the defibrating method using the swirling air flow, the shortcut fiber can be sufficiently defibrated, and the dispersibility of the defibrated shortcut fiber can be further increased when forming the air laid web by the air laid method. .

  As a defibrating method using a swirling air flow, for example, a method of putting a shortcut fiber into the blower and defibrating with the blower can be mentioned. Further, there is a method in which air is sent along a circumferential direction in a cylindrical container by a blower to form a swirling flow, a shortcut fiber is supplied into the swirling flow, and stirring to defibrate.

  The flow rate of the air flow is appropriately selected according to the amount of the shortcut fiber, but is usually in the range of 10 to 150 m / sec.

(Mixing process)
The mixing step is a step of obtaining a web raw material by mixing metal (water) oxide powder (particles) and a material in the form of a defibrating shortcut fiber (if included). At this time, any other material can be mixed at the same time. The shape of any other material may be fibrous or particulate. Examples of optional other materials include auxiliary agents added as necessary, such as heat-fusible resins and effect accelerators. There is no particular limitation on the order of addition of these materials, and these materials can be added by, for example, spraying or the like in a step after the mixing step.

  In mixing, in order to improve the dispersibility of the defibrating shortcut fiber, it is preferable to stir the defibrating shortcut fiber and other materials. However, in order to prevent breakage of the defibration shortcut fiber, it is preferable to apply stirring using an air flow instead of stirring using mechanical shearing force.

  The mixing step may be after the defibrating step or at the same time as the defibrating step. When the mixing step is performed simultaneously with the defibration step, the defibration shortcut fiber and an arbitrary material are mixed using an air flow in the defibration step. In addition, a metal (water) oxide powder (particles) and / or arbitrary particles may be added to and mixed with the web forming line of the defibrating shortcut fiber in the particle dispersion step described later.

(Web forming process)
A web formation process is a process of obtaining an airlaid web from a web raw material by the airlaid method. Here, the airlaid method is a method of forming a web by randomly depositing fibers three-dimensionally using an air flow.

(Particle spraying process)
The particle spraying step is a step of blending a material in the form of powder (particles) into the web raw material by a known method. Either a system in which a material in the form of powder (particles) is mixed with fibers to form a web or a system in which the material is dispersed on the surface of the web or a carrier sheet may be used.

  In the web forming step in the present embodiment, for example, the web forming apparatus 1 described above in the description of the embodiment of the carbon dioxide generating sheet can be used in the same manner.

(Function and effect)
In the above production method, the metal (water) oxide powder (particles) can be contained in the metal (water) oxide-containing layer in the form of powder (particles) without using water. Therefore, the possibility of the metal (water) oxide becoming a metal carbonate is prevented by the manufacturing process, and the manufactured sheet can contain the metal (water) oxide as an antibacterial agent and has good antibacterial performance. be able to. The manufactured sheet also has good antiviral performance.

  As mentioned above, although the structural example of the disposable functional material cartridge which concerns on embodiment of this invention was demonstrated, embodiment of this invention is not limited to these structures.

  EXAMPLES Hereinafter, although an Example demonstrates embodiment of this invention more concretely, this invention is not limited to a following example.

[Example 1]
Example 1 will be described with reference to the schematic diagram of FIG.

(Reactor)
A commercially available paper cup 8010 having a bottom surface diameter φ of 5 cm was prepared. In addition, a commercially available paper string 8020 having a thickness of about 2 mm used for binding magazines was prepared with a length of 5 cm. Make a hole with a diameter of about 2 mm so that the paper string fits in the center of the bottom of the paper cup, insert the paper string into the hole, and fit one end of the paper string inside the paper cup ( The reaction device 8001 of Example 1 was obtained by projecting about 5 mm in the housing portion and extending the remaining portion to the outside of the paper cup.

(Functional materials)
5.7 g of baking soda 8144 powder was placed in a paper cup container and spread on the bottom of the paper cup to form a layer of uniform thickness. Also prepared is a sheet 8130 obtained by cutting a nonwoven fabric (basis weight 80 g / m ² ) made from pulp as a raw material into a circle having a diameter of about 5 cm, and laying this sheet so as to cover the upper surface of the baking soda layer. It was. At this time, the end portion of the paper string penetrates the baking soda layer to come into contact with the sheet. Next, 4.3 g of citric acid 8142 powder was spread on the top surface of the sheet to form a layer of uniform thickness.

(Test method)
A bat containing water 8200 was prepared, and a reactor in which the functional material was set as described above was arranged above the bat in the vertical direction. The paper string was immersed in water so that a part of the part of the paper string extending from the paper cup to the outside was immersed in the water in the bat during the test time. Gas generated in the paper cup container was collected, and the amount of gas generated (volume) corresponding to the elapsed time after the paper string was immersed in water was measured with a measuring cylinder.

[Example 2]
Examples 2 and 3 will be described with reference to the schematic diagram of FIG.

(Reactor)
A commercially available paper cup 8001 having a bottom diameter φ of 5 cm was prepared. In addition, a commercially available paper string 8020 having a thickness of about 2 mm used for binding magazines was prepared with a length of 5 cm. Make a hole with a diameter of about 2 mm so that the paper string fits closely in the vicinity of the side of the bottom of the paper cup, insert the paper string into the hole, fit one end of the paper string inside the paper cup ( The reaction device 8001 of Example 2 was obtained by projecting the remaining portion by about 15 mm and extending the remaining portion to the outside of the paper cup.

(Functional materials)
5.0 g of baking soda 8144 powder was placed in a paper cup container and spread on the bottom of the paper cup to form a layer of uniform thickness. Also prepared is a sheet 8130 obtained by cutting a nonwoven fabric (basis weight 80 g / m ² ) made from pulp as a raw material into a circle having a diameter of about 5 cm, and laying this sheet so as to cover the upper surface of the baking soda layer. It was. Then 4.5 g of citric acid 8142 powder was spread on top of the sheet to form a layer of uniform thickness. At this time, the paper string was in contact with all of the baking soda layer, the sheet, and the citric acid layer.

(Test method)
The test was performed in the same manner as in Example 1.

[Example 3]
Example 3 was carried out in the same manner as Example 2 except that the amount of sodium bicarbonate powder was 10.0 g and the amount of citric acid powder was 10.0 g.

[Example 4]
Example 4 will be described with reference to the schematic diagram of FIG.

(Reactor)
In the same manner as in Example 1, the reaction apparatus of Example 4 was produced.

(Functional materials)
A sheet 8130 obtained by cutting a nonwoven fabric (basis weight 80 g / m ² ) made from pulp as a raw material into a circle having a diameter of about 5 cm was prepared, and this sheet was laid on the bottom surface of the paper cup container. Next, a mixture 8146 obtained by mixing 10.0 g of baking soda powder and 9.0 g of citric acid powder was spread on the upper surface of the sheet so as to form a layer having a uniform thickness. At this time, the paper string was brought into contact with the sheet and the mixture.

(Test method)
The test was performed in the same manner as in Example 1.

[Example 5]
Embodiment 5 will be described with reference to the schematic diagram of FIG.

(Reactor)
A reaction apparatus of Example 5 was produced in the same manner as Example 1.

(Functional materials)
4.5 g of citric acid 8142 powder is wrapped with non-woven fabric 8130 (basis weight 80 g / m ² ) manufactured by airlaid method using pulp as a raw material, and the opening of the non-woven fabric is closed with a woodworking bond, 5 cm long and 5 cm wide A first bag-like product having a size of Similarly, 5.0 g of powder of baking soda 8144 is wrapped with a nonwoven fabric 8130 (basis weight 80 g / m ² ) manufactured by the airlaid method using pulp as a raw material, and the opening of the nonwoven fabric is closed with a bond for woodworking, 5 cm in length, A second bag having a size of 5 cm in width was formed. The first bag and the second bag were stacked in this order in the paper cup container. At this time, one surface of the first bag and the bottom of the paper cup are in contact with each other, another surface of the first bag and one surface of the second bag are in contact with each other, and the paper The string was brought into contact with the first bag and separated from the second bag. Also, the citric acid powder in the first bag and the baking soda in the second bag each spread in the direction of the bottom of the paper cup in the bag to form a layer having a uniform thickness. I did it.

(Test method)
The test was performed in the same manner as in Example 1.

[Example 6]
Example 6 will be described with reference to the schematic diagram of FIG.

(Reactor)
In the same manner as in Example 2, the reaction apparatus of Example 6 was produced.

(Functional materials)
A sheet 8130 obtained by cutting a nonwoven fabric (basis weight 80 g / m ² ) made from pulp as a raw material into a circle having a diameter of about 5 cm was prepared, and this sheet was laid on the bottom surface of the paper cup container. The first bag-like product and the second bag-like product produced in the same manner as in Example 5 were brought into contact with one surface of the first bag-like product and one surface of the second bag-like product, And the 1st bag-like thing and the 2nd bag-like thing stood in the accommodating part so that a part of 1st bag-like thing and a 2nd bag-like thing might each contact with a sheet | seat. At this time, the paper string was brought into contact with the sheet and separated from the first bag-like material and the second bag-like material.

(Test method)
The test was performed in the same manner as in Example 1.

[Comparative Example 1]
Comparative Example 1 will be described with reference to the schematic diagram of FIG.

(Reactor)
A commercially available paper cup 8010 having a bottom surface diameter φ of 5 cm was prepared and used as the reactor 10010 of Comparative Example 1.

(Functional materials)
A sheet 8130 obtained by cutting a nonwoven fabric (basis weight 80 g / m ² ) made from pulp as a raw material into a circle having a diameter of about 5 cm was prepared, and this sheet was laid on the bottom surface of the paper cup container. Next, a mixture 8146 obtained by mixing 5.0 g of baking soda powder and 4.5 g of citric acid powder was spread on the upper surface of the sheet so as to form a layer having a uniform thickness.

(Test method)
5 ml of water 8200 (not shown) was poured all at once into the paper cup container. The gas generated in the paper cup container was collected, and the amount of gas generated (volume) corresponding to the elapsed time after pouring water was measured with a graduated cylinder.

[Comparative Example 2]
Comparative Example 2 will be described with reference to the schematic diagram of FIG.

(Reactor)
A commercially available paper cup 8010 having a bottom surface diameter φ of 5 cm was prepared. A hole having a diameter of about 2 mm was formed in the vicinity of the side surface of the bottom surface of the paper cup to obtain a reactor 10010 of Comparative Example 2.

(Functional materials)
A sheet 8130 obtained by cutting a nonwoven fabric (basis weight 80 g / m ² ) made from pulp as a raw material into a circle having a diameter of about 5 cm was prepared, and this sheet was laid on the bottom surface of the paper cup container. The first bag-like product and the second bag-like product produced in the same manner as in Example 5 were brought into contact with one surface of the first bag-like product and one surface of the second bag-like product, And the 1st bag-like thing and the 2nd bag-like thing stood in the accommodating part so that a part of 1st bag-like thing and a 2nd bag-like thing might each contact with a sheet | seat. At this time, the position of the hole on the bottom surface of the paper cup was separated from the positions of the first bag-shaped object and the second bag-shaped object in the surface direction of the bottom surface.

(Test method)
A vat containing water was prepared, and the reaction apparatus in which the functional material was set as described above was placed inside the vat. At this time, the water in the bat entered the housing portion from the hole at the bottom of the paper cup so as to come into contact with the sheet. Gas generated in the paper cup container was collected, and a gas generation amount (volume) corresponding to the elapsed time after the paper cup was placed inside the bat was measured with a measuring cylinder.

[Test results and evaluation]
9A to 9F show the relationship between the elapsed time and the amount of gas generated for the example. Moreover, the relationship between the elapsed time and the gas generation amount for the comparative example is shown in FIGS.

  In Comparative Example 1 in which water was added to the functional material at once, the reaction occurred immediately after the addition of water, and the integrated amount of gas generation reached almost saturation within 2 hours after the addition of water. On the other hand, in each of Examples 1 to 6 according to the embodiment of the present invention, the time until the integrated amount of gas generation reaches almost saturation, that is, the duration of gas generation, compared to Comparative Example 1. It was long.

  Further, when Example 6 in which water is applied to the functional material via a paper string and Comparative Example 2 in which water is applied to the functional material without using a paper string are compared, Example 6 shows that 16 hours have passed. Even after that, the integrated amount of gas generated did not reach the integrated amount of gas generated after 3 hours of Comparative Example 2, and the reaction proceeded slowly.

  While preferred embodiments of the present invention have been described above, it will be understood that these embodiments and the terminology used herein are for purposes of illustration and not limitation. Those skilled in the art having the benefit of the teachings herein can make numerous modifications to the embodiments of the invention described herein without departing from the scope and spirit of the invention. You may go.

Below, the preferable aspect of this invention is shown.
1. A reaction apparatus for reacting a functional material that exhibits a function through a reaction via a liquid, comprising a container having a storage portion for storing the functional material, and a wicking material having a property of sucking up the liquid, The wicking material is applied to the functional material in which the inside of the housing portion communicates with the outside, and the liquid sucked up by contact with the liquid arranged outside the housing portion is housed in the housing portion. A reactor configured to be
2. The wicking material is configured to be in fluid communication with the functional material housed in the housing portion. A reactor according to 1.
3. At least a part of the wicking material located in the housing part is configured to be located vertically below the water level of the liquid disposed outside the housing part. Or 2. A reactor according to 1.
4). 1. having a storage part for storing the liquid and disposed outside the storage part; To 3. The reaction apparatus in any one of.
5). The storage unit is provided in the container. To 4. The reaction apparatus in any one of.
6). The storage unit is provided in a second container different from the container. To 4. The reaction apparatus in any one of.
7). 5. the container is disposed above the second container in the vertical direction; A reactor according to 1.
8). 5. The container and the second container are configured to be vertically stackable. Or 7. A reactor according to 1.
9. The wicking material is configured to contact the functional material. To 8. The reaction apparatus in any one of.
10. The functional material is accommodated in the accommodating portion together with the water-permeable material so as to be in contact with the water-permeable material, and the wicking material is configured to be in fluid communication with the functional material via the water-permeable material. 1. To 9. The reaction apparatus in any one of.
11. The water-permeable material includes a water-permeable sheet, and the water-permeable sheet relates to the functional material in a state of being accommodated in the accommodating portion, and between the functional material and the container, , And at least one of the non-contact surfaces of the functional material with the container. A reactor according to 1.
12 The water-permeable sheet has a bag shape and includes at least a part of the functional material. Or 11. A reactor according to 1.
13. The functional material includes a plurality of materials, and the application of the liquid via the wicking material is arranged with priority so that the component having higher solubility among the plurality of materials is applied. Determined To 12. The reaction apparatus in any one of.
14 The functional material includes one or both of carbonate particles and acid particles,
The liquid includes water, and when the functional material includes one of the carbonate particles and the acid particles but does not include the other, the liquid is the other aqueous solution. To 13. The reaction apparatus in any one of.
15. 13. the wicking material is configured to be in direct fluid communication with one or both of the carbonate particles and acid particles; A reactor according to 1.
16. 13. The wicking material is configured to indirectly fluidly communicate with one or both of the carbonate particles and the acid particles through a water-permeable material. Or 15. A reactor according to 1.
17. The water-permeable material is a water-permeable sheet, and the water-permeable sheet has a bag shape that wraps one of the carbonate particles and acid particles, a bag shape that wraps both separately, or a bag shape that wraps both together. Yes, 16. A reactor according to 1.
18. 15. The water permeable material is a water permeable sheet, and the water permeable sheet is disposed between the carbonate particles and the acid particles. Or 17. A reactor according to 1.
19. 13. When the functional material includes both the carbonate particles and acid particles, both the carbonate particles and acid particles are included as a mixture. A reactor according to 1.
20. 13. When the functional material includes both the carbonate particles and the acid particles, both the carbonate particles and the acid particles are included as a laminate. A reactor according to 1.
21. 13. One or both of the carbonate particles and acid particles are included in the form of a sheet comprising a layer containing one or both of the carbonate particles and acid particles. A reactor according to 1.
22. 20. the sheet is a non-woven sheet; A reactor according to 1.
23. The functional material includes cyclodextrin in which a functional component is included. To 22. The reaction apparatus in any one of.
24. The cyclodextrin in which the functional component is included is included in the form of a nonwoven sheet including a layer containing the cyclodextrin, 23. A reactor according to 1.
25. The layer containing cyclodextrin is provided by a dry method; A reactor according to 1.
26. The functional material includes a metal oxide and / or a metal hydroxide. To 25. The reaction apparatus in any one of.
27. 26. The metal oxide and / or metal hydroxide is included in the form of a nonwoven sheet including a layer containing the metal oxide and / or metal hydroxide, A reactor according to 1.
28. 1. To 27. A disposable functional material cartridge used by being disposed in the housing part of the reactor according to any one of the above, wherein the disposable functional material cartridge is brought into contact with the functional material and the functional material. Disposable functional material cartridge containing a water-permeable material used in the past.
29. The water permeable material is a water permeable sheet, and the water permeable sheet relates to the functional material in a state of being accommodated in the accommodating portion, and between the functional material and the container, , And at least one of the non-contact surfaces of the functional material with the container, 28. The disposable functional material cartridge according to 1.
30. 29. The water-permeable sheet has a bag shape that wraps at least a part of the functional material. The disposable functional material cartridge according to 1.

  As described above, the reaction apparatus according to the embodiment of the present invention can be widely used for functional materials that exhibit a function by reaction via a liquid. For example, when the functional material is a material (acid and carbonate) that generates carbon dioxide by a reaction via liquid (water), the reaction apparatus of the present invention can be used as a carbon dioxide generator. Moreover, as another functional material, an antibacterial material that can exhibit antibacterial properties by applying a liquid, an aromatic material that can develop a fragrance, and the like can be used. Examples of such materials include metal oxides and / or metal hydroxides, and cyclodextrins that include antibacterial components and / or aromatic components. A combination of a plurality of functional materials can also be used. For example, water can be used as the liquid. When the functional material is composed of a plurality of components (for example, reactants such as acids and carbonates in the carbon dioxide generating material), as the liquid according to the invention, some of the components (reactants) ( A solution (aqueous solution) of the reactant may be used.

  Moreover, in the carbon dioxide generator of patent document 1, since the acid is always used in the form of an aqueous solution, the user of the carbon dioxide generator purchases, transports, or stores the acid in the form of an aqueous solution or obtains it in the form of a solid. There is an inconvenience in handling the material, for example, it is necessary to prepare the acid itself in the form of an aqueous solution. In contrast, when the reactor according to the embodiment of the present invention is used as a carbon dioxide generator, both acid and carbonate can be used in a solid form, and water such as tap water can be used as a liquid. . That is, in the reaction apparatus according to the embodiment of the present invention, since the functional material can be used in a solid form, the above-described inconvenience in the prior art can be solved.

8001, 9001 Reactor 8010, 9010 Container (first container)
8020, 9020 Sucking material 8100, 9100 Functional material 8130 Water-permeable sheet 8142 Citric acid (acid particles)
8144 Baking soda (carbonate particles)
8146 One or both of carbonate particles and acid particles 8210, 9210 second container

Claims (22)

A reaction device for reacting a functional material that exhibits a function by reaction via a liquid,
A container having an accommodating portion for accommodating the functional material;
A wicking material having the property of sucking up liquid;
With
The wicking material is applied to the functional material in which the inside of the housing portion communicates with the outside, and the liquid sucked up by contact with the liquid arranged outside the housing portion is housed in the housing portion. A reactor configured to be   The reaction apparatus according to claim 1, wherein the wicking material is configured to be in fluid communication with the functional material accommodated in the accommodating portion.   The at least one part of the said wicking material located in the said accommodating part is comprised so that it may be located in the perpendicular direction lower than the water level of the liquid arrange | positioned outside the said accommodating part. A reactor according to 1.   The reaction apparatus according to claim 1, further comprising a storage unit that stores the liquid and is disposed outside the storage unit.   The reaction apparatus according to claim 4, wherein the storage unit is provided in a second container different from the container.   The reaction apparatus according to claim 5, wherein the container is disposed above the second container in a vertical direction.   The reaction device according to any one of claims 1 to 6, wherein the wicking material is configured to come into contact with the functional material.   The functional material is accommodated in the accommodating portion together with the water-permeable material so as to be in contact with the water-permeable material, and the wicking material is configured to be in fluid communication with the functional material via the water-permeable material. The reaction apparatus according to any one of claims 1 to 7.   The water-permeable material includes a water-permeable sheet, and the water-permeable sheet relates to the functional material in a state of being accommodated in the accommodating portion, and between the functional material and the container, The reaction apparatus according to claim 8, which is disposed at least at one of the non-contact surfaces of the functional material with the container.   The reaction apparatus according to claim 9, wherein the water-permeable sheet has a bag shape and includes at least a part of the functional material. The functional material includes one or both of carbonate particles and acid particles,
11. The liquid according to claim 1, wherein the liquid includes water, and when the functional material includes one of the carbonate particles and the acid particles but does not include the other, the liquid is the other aqueous solution. The reaction apparatus according to one item.   The reactor according to claim 11, wherein when the functional material includes both the carbonate particles and the acid particles, both the carbonate particles and the acid particles are included as a mixture.   The reactor according to claim 11, wherein when the functional material includes both the carbonate particles and the acid particles, both the carbonate particles and the acid particles are included as a laminate.   12. The reactor of claim 11, wherein one or both of the carbonate particles and acid particles are included in the form of a sheet comprising a layer containing one or both of the carbonate particles and acid particles. .   The reactor according to claim 14, wherein the sheet is a non-woven sheet.   The reaction device according to any one of claims 1 to 15, wherein the functional material includes cyclodextrin in which a functional component is included.   The reaction apparatus according to claim 16, wherein the cyclodextrin in which the functional component is included is included in the form of a non-woven sheet including a layer containing the cyclodextrin.   The reactor according to claim 17, wherein the layer containing cyclodextrin is provided by a dry method.   The reactor according to any one of claims 1 to 18, wherein the functional material includes a metal oxide and / or a metal hydroxide.   The reaction apparatus according to claim 19, wherein the metal oxide and / or metal hydroxide is included in the form of a nonwoven sheet including a layer containing the metal oxide and / or metal hydroxide.   It is a disposable functional material cartridge used by arranging in the storage part of the reaction device according to any one of claims 1 to 20, wherein the disposable functional material cartridge includes the functional material, A disposable functional material cartridge comprising a water-permeable material used in contact with the functional material.   The water-permeable material includes a water-permeable sheet, and the water-permeable sheet relates to the functional material in a state of being accommodated in the accommodating portion, and between the functional material and the container, The disposable functional material cartridge according to claim 21, wherein the functional material cartridge is disposed in at least one of non-contact surfaces of the functional material with the container.

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