Sheet package, method for using sheet package, and functional body for sheet package

Abstract

Provided is a sheet package that can achieve weight reduction and space saving and that allows a sheet in an appropriate wet state to be used during use. A sheet accommodating body (1) has a sheet (10) in a dry state, a bag body (20) having an accommodation space (S) that accommodates a sheet, and a functional body (30) that releases a prescribed component upon contact with moisture. The accommodation space of the bag body is capable of accommodating, together with the sheet, moisture from the outside of the bag body during use. The sheet is impregnated with the component released from the functional body in a state in which the sheet, the functional body, and the moisture are accommodated in the accommodation space.

Description

Sheet packaging body, method of using the sheet packaging body, and functional body for the sheet packaging body

[0001] The present invention relates to a sheet packaging body that provides a wet sheet.

[0002] Patent Document 1 discloses a sheet packaging body that packages an aggregate of wet sheets. The sheet packaging body includes a wet sheet, a bag body that packages the sheet and has a bag opening that is a sheet outlet, and a label that covers the bag opening and is detachably attached to the surface of the bag body. The user peels off the label from the bag body to expose the bag opening and takes out the sheet through the bag opening.

[0003] Japanese Patent No. 5160195

[0004] However, the above-mentioned sheet packaging body had the following problems. The sheet packaging body ensures internal sealing with the bag body and the label and maintains the wet state of the sheet. However, the sealing performance may decrease over time, and it may not be possible to maintain the wet state. In particular, in the case of a sheet packaging body for disaster prevention, it is required to be stored for a long period of time, and there is a risk that an appropriate wet state cannot be maintained until use.

[0005] Also, generally, the sheet of the sheet packaging body is a non-woven fabric, which is lightweight and has a small volume. However, a wet sheet impregnated with a functional body or the like has a greater weight and volume than a dry sheet, making it difficult to carry or secure storage space. In particular, in the case of a sheet packaging body for disaster prevention, it is required to be stored in large quantities, and weight reduction and space saving are particularly required.

[0006] The present invention has been made in view of the above problems, and an object thereof is to provide a sheet packaging body that can achieve weight reduction and space saving and can use a sheet in an appropriate wet state during use.

[0007] A sheet packaging according to one embodiment comprises a dry sheet, a bag having a storage space for containing the sheet, and a functional body that releases a predetermined component upon contact with moisture. The storage space of the bag is capable of accommodating moisture applied from outside the bag during use, together with the sheet. The sheet is impregnated with the component released from the functional body while the sheet, the functional body, and the moisture are all contained within the storage space.

[0008] A method of using a sheet packaging according to one embodiment involves using a sheet packaging comprising a dry sheet, a bag having a storage space for containing the sheet, and a functional body containing a predetermined component that dissolves upon contact with moisture and releases the component. During use, moisture is added to the storage space, and the sheet impregnated with the moisture and the functional body is removed from the storage space.

[0009] A functional body for a sheet packaging according to one embodiment is used in a sheet packaging having a dry sheet and a bag having a storage space for containing the sheet. The functional body contains a predetermined component and is capable of releasing the component upon contact with moisture. When in use, the functional body is contained together with moisture and the sheet in the storage space.

[0010] Figure 1 is a perspective view of the sheet packaging according to the embodiment. Figure 2 is a plan view of the sheet packaging according to the embodiment. Figure 3 is a diagram illustrating the usage of the sheet packaging according to the embodiment.

[0011] (1) Outline of Embodiments The following matters will become clear from the description in this specification and the accompanying drawings. The invention according to Embodiment 1 is a sheet packaging. The sheet packaging comprises a sheet in a dry state, a bag having a storage space for containing the sheet, and a functional body that releases predetermined components upon contact with moisture. The storage space of the bag is capable of containing moisture applied from outside the bag during use, together with the sheet. The sheet is impregnated with the components released from the functional body while the sheet, the functional body, and the moisture are all contained in the storage space. The sheet of this embodiment is stored in a dry state before use, and is impregnated with the components of the functional body dissolved upon contact with moisture during use. That is, when moisture is applied during use, the sheet becomes wet. Therefore, the problem of not being able to maintain the wet state of the sheet during storage and not being able to use it in an appropriate wet state can be suppressed, and the sheet can be used in an appropriate wet state. When moisture is applied during use, the components of the functional body are impregnated into the sheet. Since the components are not dissolved before use, deterioration of the components of the functional body can be prevented. Furthermore, since the sheets are dry before use, such as during storage, the sheet packaging can be made lighter and more space-saving.

[0012] In a preferred embodiment, the invention according to Embodiment 2 may have the following features in the invention according to Embodiment 1: Before use of the sheet, the sheet and the functional body are placed in the containment space. When using the sheet, moisture is added to the containment space. According to this embodiment, a wet sheet can be obtained by simply adding moisture at the time of use, impregnated with a predetermined component.

[0013] In a preferred embodiment, the invention according to embodiment 3 may have the following features in the invention according to embodiment 1 or embodiment 2: Before use of the sheet, the sheet is placed in the containment space, and the functional body is placed outside the containment space. When the sheet is used, the moisture and the functional body are added to the containment space. Because moisture and the functional body are added at the time of use, it is possible to select and use a functional body suitable for the time of use, or to adjust the amount of the functional body.

[0014] In a preferred embodiment, the invention according to Embodiment 4 may have the following features in any of the inventions according to Embodiments 1 to 3. The functional body is a microcapsule in which the component is encapsulated by the water-soluble wall material. According to this embodiment, since the functional body consists of a microcapsule, contact between the internal component and air is reduced, and oxidation of the component is suppressed. Therefore, deterioration of the component of the functional body before use can be further suppressed.

[0015] In a preferred embodiment, the invention according to Embodiment 5 may have the following features in the invention according to any of Embodiments 1 to 3: The functional body is applied to the sheet. According to this embodiment, since the functional body is attached to the sheet, it is easy to impregnate the sheet with the components of the functional body.

[0016] In a preferred embodiment, the invention according to embodiment 6 may have the following features in the invention according to any of embodiments 1 to 5: The functional body contains a pH adjusting agent. According to this embodiment, the pH can be adjusted and used according to the moisture content at the time of use. For example, the pH of acidic rainwater can be adjusted and used as a wet wipe.

[0017] The invention according to Embodiment 7 is a method for using a sheet packaging. The method for using a sheet packaging comprises a dry sheet, a bag having a storage space for the sheet, and a functional body containing predetermined components that dissolve upon contact with moisture and release those components. When using the sheet packaging, moisture is added to the storage space, and the sheet, impregnated with the moisture and the functional body, is removed from the storage space. According to the method for using a sheet packaging according to this embodiment, a sheet can be obtained that is stored in a dry state before use and, upon contact with moisture, is impregnated with the components of the functional body. Therefore, the problem of not being able to maintain the wet state of the sheet during storage and not being able to use it in an appropriate wet state can be suppressed, and a sheet in an appropriate wet state can be used. When moisture is added during use, the components of the functional body are impregnated into the sheet. Since the components of the functional body are not dissolved before use, deterioration of the components can be prevented. In addition, since the sheet is in a dry state before use, such as during storage, the sheet packaging can be made lighter and more space-saving.

[0018] The invention according to embodiment 8 is a functional body for a sheet packaging. The functional body is used in a sheet packaging having a dry sheet and a bag having a storage space for containing the sheet. The functional body contains a predetermined component and is capable of releasing the component upon contact with moisture, and is contained in the storage space together with moisture and the sheet when in use. In this embodiment, the functional body dissolves upon contact with moisture when in use, the component dissolves, and the component impregnates the sheet. By applying moisture during use, the component of the functional body is impregnated into the sheet, preventing deterioration of the component of the functional body before use.

[0019] (2) Sheet packaging according to the embodiment The sheet packaging 1 according to the embodiment will be described below with reference to the drawings. In the following drawings, the same or similar parts are denoted by the same or similar reference numerals. However, it should be noted that the drawings are schematic and the ratios of each dimension etc. may differ from those of reality. Therefore, specific dimensions etc. should be determined by referring to the following explanation. In addition, there may be parts in the drawings where the relationships and ratios of dimensions differ from each other.

[0020] Figure 1 is a perspective view of the sheet packaging 1 according to an embodiment. Figure 1 is a perspective view from the front and from above. Figure 2 is a plan view of the sheet packaging 1. Figure 3 is a cross-sectional view along the line A-A shown in Figure 2, and is a diagram for explaining the usage of the sheet packaging 1.

[0021] The sheet packaging 1 comprises a dry sheet 10, a bag 20 having a storage space S for containing the sheet 10, and a functional body 30 that releases predetermined components upon contact with moisture. The sheet 10 can be, for example, a nonwoven fabric, a paper towel, or a tissue. The sheet 10 can be a cleaning sheet, a disinfecting sheet, a sanitizing sheet, or a body wipe (for example, a baby wipe).

[0022] The sheet 10 is in a dry state before use. In this invention, the dry state is a state that is not a wet state containing moisture. The dry state may contain moisture such as water vapor contained in the air, and more specifically, it may contain moisture of 1x or less of the weight of the sheet 10. The sheet 10 may be made up of multiple sheets stacked together, or it may be a single sheet.

[0023] The sheet packaging body 1 may have a first direction D1 and a second direction D2 that extend in the planar direction of the sheet 10 and are mutually orthogonal, and a third direction D3 that extends in the thickness direction of the sheet 10. In this embodiment, the first direction D1 is the transverse direction shown in Figure 1, and the second direction D2 is the vertical direction shown in Figure 1. In this embodiment, the length of the sheet packaging body 1 in the first direction D1 is longer than the length of the sheet packaging body 1 in the second direction D2.

[0024] The bag 20 is configured to accommodate the sheet 10 and moisture W (see Figure 3). The bag 20 may be made of a liquid-impermeable sheet (film). In this embodiment, the bag 20 is formed into a bag shape surrounding the storage space S by folding the sheet along a fold extending in the second direction D2 and sealing the sheets together at both lateral ends. In other embodiments, the bag 20 may be formed into a bag shape surrounding the storage space S by sealing sheets arranged on both sides of the sheet 10 in a third direction at all four sides in a plan view. Moisture W is not contained in the bag 20 before use (during storage), but is added to the bag 20 and contained within the bag 20 at the time of use. The bag 20 may have a bag opening 22 for inserting and removing the sheet 10. The bag opening 22 may be formed in the bag 20 beforehand, or it may be formed by the user at the time of use. The bag opening 22 may function not only as an outlet for the sheet 10, but also as an inlet for adding moisture W. The bag body 20 of this embodiment has a bag opening 22 that serves as both a moisture inlet and an inlet for the sheet 10, and a lid 40 that can open and close to cover the bag opening 22. By operating the lid 40, the bag opening 22 can be opened or closed. In a modified example, the opening for adding moisture may be formed separately from the bag opening 22 for removing the sheet 10.

[0025] The functional body 30 contains a predetermined component and releases the component upon contact with moisture. Examples of the component of the functional body 30 include a component that exhibits moisturizing, disinfecting, cleaning, and germicidal properties. The functional body 30 may be spaced apart from the sheet 10 and the bag 20, or it may be attached to at least one of the sheet 10 and the bag 20. The functional body 30 may be contained in the bag 20 together with the sheet 10 before use, or it may be stored separately from the bag 20 and the sheet 10 and added to the bag 20 before use and contained within the bag 20. In this embodiment, the functional body 30 is contained in the bag 20 together with the sheet 10 before use.

[0026] The functional body 30 can contain any predetermined components, and these components are not particularly limited. The functional body 30 may contain disinfectants (sodium hypochlorite, povidone-iodine). The functional body 30 may also contain cationic surfactants (e.g., quaternary ammonium salts). Examples of quaternary ammonium salts include benzalkonium chloride, cetrimonium chloride, benzethonium chloride, methylbenzethonium chloride, cetylpyridinium chloride, cetrimonium, dophanium chloride, tetraethylammonium bromide, didecyldimethylammonium chloride, domiphene bromide, lauryltrimonium chloride, and steartrimonium chloride.

[0027] Furthermore, the functional compound 30 may contain anionic surfactants (e.g., carboxylates, sulfates, phosphates, and sulfonates). Examples of carboxylates include saturated and unsaturated fatty acids of the C12-C18 range. Examples of saturated and unsaturated fatty acids of the C12-C18 range include potassium salts, sodium salts, triethanolamine salts, ammonium salts, alkyl ether carboxylates, and N-acyl sarcosine salts of coconut oil fatty acids, hydrogenated coconut oil fatty acids, palm oil fatty acids, hydrogenated palm oil fatty acids, beef tallow fatty acids, and hydrogenated beef tallow fatty acids. Examples of sulfates include higher alkyl ether sulfates. Examples of higher alkyl ether sulfates include alkylaryl ether sulfates, fatty acid alkanolamide sulfates, and fatty acid monoglyceride sulfates. Examples of phosphates include alkyl phosphates (e.g., monolauryl phosphate triethanolamine, monolauryl phosphate dipotassium), polyoxyethylene alkyl ether phosphates, and alkylaryl ether phosphates. Examples of sulfonates include N-acylaminosulfonates and polyoxyethylene sulfosuccinates.

[0028] Furthermore, the functional body 30 may contain a nonionic surfactant. Examples of nonionic surfactants include polyoxyalkylene-based, mono- or diethanolamide-based, sugar-based, and glycerin-based surfactants. Also, amphoteric surfactants can be used as examples. Examples of amphoteric surfactants include alkylbetaine-based, amidebetaine-based, sulfobetaine-based, hydroxysulfobetaine-based, amidesulfobetaine-based, phosphobetaine-based, imidazolinium betaine-based, aminopropionic acid-based, and amino acid-based amphoteric surfactants.

[0029] Furthermore, functional compound 30 may contain glycerol fatty acid monoesters (e.g., hydroxy fatty acids). Examples of hydroxy fatty acids include ricinoleic acid, 12-hydroxystearic acid, 10-hydroxyundecanoic acid, 9-hydroxyundecanoic acid, 8-hydroxyundecanoic acid, 5-hydroxydodecanoic acid, 5-hydroxyundecanoic acid, 5-hydroxydecanoic acid, 4-hydroxydodecanoic acid, 4-hydroxyundecanoic acid, 4-hydroxydecanoic acid, 9-hydroxy-2-decenoic acid, 5-hydroxy-7-decenoic acid, and the like.

[0030] Furthermore, the functional compound 30 may contain unsaturated fatty acids having 8 to 18 carbon atoms (e.g., undecylenic acid) and saturated fatty acids having 8 to 18 carbon atoms (e.g., octanoic acid (caprylic acid), nonanoic acid (pelargonic acid), decanoic acid (capric acid), dodecanoic acid (lauric acid), tetradecanoic acid (myristic acid), pentadecanoic acid (pentadecylic acid), hexadecanoic acid (palmitic acid), heptadecanoic acid (margaric acid), octadecanoic acid (stearic acid), and octanoic acid (caprylic acid)).

[0031] Next, the usage of the sheet packaging 1 configured in this manner will be described in detail with reference to Figure 3. Figure 3 is based on the cross-sectional view along line A-A shown in Figure 1 and is a diagram for explaining the usage. Figure 3(a) shows the sheet packaging 1 before use. In the present invention, "before use" refers to the state before the sheet is actually used, and can be rephrased as the storage state or the carrying state. The storage space S of the bag 20 in this pre-use state contains the dry sheet 10 and the functional body 30.

[0032] When using the sheet 10, it is in a wet state, impregnated with predetermined components and moisture. Specifically, as shown in Figure 3(b), the user opens the bag opening 22 by operating the lid 40 and adds moisture W into the containment space S. The amount of moisture W added at this time is not limited, but should be enough to wet the entire sheet 10. For example, the amount of water may be 50% or more of the volume of the containment space S. The functional body 30 dissolves upon contact with moisture W and releases predetermined components. The predetermined components are impregnated into the sheet 10 together with the moisture. As shown in Figure 3(c), the user can take out the sheet 10 impregnated with the predetermined components and moisture W and use the sheet 10 in a wet state.

[0033] In this embodiment, the sheet 10 of the sheet packaging 1 is stored in a dry state before use, and when used, it is impregnated with the components of the functional substance that have dissolved upon contact with moisture. The sheet becomes wet when moisture is applied during use. Therefore, the problem of not being able to maintain the wet state of the sheet during storage (due to evaporation of moisture) and not being able to use it in an appropriate wet state can be suppressed, and the sheet 10 can be used in an appropriate wet state. In addition, when moisture is applied during use, the components of the functional substance 30 are impregnated into the sheet. Since the components are not dissolved before use, deterioration of the components of the functional substance 30 before use can be prevented.

[0034] In addition, since the sheet 10 is dry before use, such as during storage, it can be made lighter and more space-saving. For example, when storing a large quantity of disaster prevention sheet packaging, conventional wet sheet packaging is impregnated with moisture, making the overall weight heavy and increasing the burden of moving it to storage and taking it out when using it. Also, conventional wet sheet packaging has a large overall volume due to the moisture it contains, which tends to take up a lot of storage space. However, even for sheet packaging that is used in a wet state, the sheet packaging 1 of this embodiment is lighter and more space-saving because the sheet is dry before use (during storage).

[0035] Before use, the sheet 10 and the functional body 30 are placed in the containment space S, and moisture may be added to the containment space S when the sheet 10 is used. Since the sheet 10 and the functional body 30 are contained in the containment space S before use, the user can obtain a sheet 10 impregnated with the predetermined components simply by adding moisture W when using it. Furthermore, compared to a configuration in which the functional body 30 and the containment space S are added when using it, as in the modified example described later, an appropriate amount of the functional body 30 can be placed, suppressing problems such as the components of the functional body 30 being too concentrated or too diluted, and providing components at the intended concentration.

[0036] In another modified example, before using the sheet 10, the sheet 10 may be placed inside the containment space S, and the functional body 30 may be placed outside the containment space S. When using the sheet 10, the moisture W and the functional body 30 may be added to the containment space S. According to this modified example, since the moisture W and the functional body 30 are added at the time of use, the user can select and use a functional body 30 suitable for the time of use, or adjust the amount of functional body 30 used. Furthermore, by preparing multiple functional bodies 30 with different components, the user can select a functional body 30 that suits the purpose of use at the time of use, and obtain a sheet 10 with components that suit the purpose. More specifically, for example, a functional body 30 having an antibacterial component and a functional body 30 having a moisturizing component may be prepared. For moisturizing purposes such as wiping the body, a functional body 30 having a moisturizing component can be added to the sheet packaging 1 to obtain a wet sheet impregnated with that component. Also, for disinfecting purposes such as wiping hands before eating, a functional body 30 having an antibacterial component can be added to the sheet packaging 1 to obtain a wet sheet impregnated with that component.

[0037] In this modified example, when adding water and the functional material to the sheet 10 during use, the water W and the functional material 30 may be combined to make an aqueous solution before adding them to the containment space S, and this aqueous solution may be added to the containment space S, or the functional material and water may be added to the containment space S separately. In the form where the water W and the functional material 30 are combined and then the aqueous solution is added to the containment space S, for example, the functional material 30 can be added to a water storage container such as a PET bottle and thoroughly dissolved by shaking it repeatedly, thereby impregnating the sheet 10 with the functional material 30 and suppressing uneven distribution of components.

[0038] The functional body 30 may be a microcapsule in which components are encapsulated by a wall material that dissolves in moisture W. Before contact with moisture, the microcapsule encapsulates its internal components by the wall material, suppressing oxidation of the components due to contact with air. Therefore, the deterioration of the functional body's components before use can be further suppressed. The wall material is not particularly limited as long as it dissolves in moisture, but for example, agar-derived materials may be used. Furthermore, the components of the microcapsule only need to be attached to the inside of the wall material, or they may be attached to the outer surface of the microcapsule together with the wall material.

[0039] The diameter of the microcapsules may be larger than the fiber diameter of the sheet. Specifically, the fiber diameter of the microcapsules may be 50 μm or more and 400 μm or less, and the fiber diameter of the sheet may be less than 50 μm, preferably 10 μm to 20 μm. When the diameter of the microcapsules is larger than the fiber diameter of the sheet, the functional body 30 tends to remain on the surface of the sheet 10, and the microcapsules are supported by the sheets, which suppresses the movement of microcapsules once they are placed and maintains the microcapsules while suppressing uneven distribution. Also, when the diameter of the microcapsules is smaller than the fiber diameter of the sheet, the microcapsules tend to enter the gaps between the fibers, and the microcapsules are supported within the sheet, which suppresses the movement of microcapsules once they are placed and maintains the microcapsules while suppressing uneven distribution.

[0040] In the modified version, the functional body 30 may be attached to the sheet 10. According to the modified version, since the functional body is attached to the sheet, it is easier to impregnate the sheet with the components of the functional body. Also, since the functional body 30 is attached to the sheet, it is possible to suppress the movement and uneven distribution of the functional body 30 before use and to suppress uneven distribution of the components of the functional body 30. When attaching the functional body 30 to the sheet, it may be attached to each sheet individually, or to a laminate of multiple sheets. As for the method of attaching the functional body 30 to the sheet, for example, the functional body may be sprinkled onto the sheet to hold it in place without adhesion, or the functional body may be sprinkled onto the sheet and then adhered to the sheet with an adhesive (agar, gelatin, HMA type adhesive, etc.), or an aqueous solution of the functional body may be applied to each sheet individually, or multiple sheets may be impregnated with an aqueous solution of the functional body, then dried to evaporate the water and the functional body may be attached to the sheet.

[0041] The functional body 30 may contain a pH adjusting agent. According to this embodiment, the pH can be adjusted according to the moisture content at the time of use. For example, the pH of acidic rainwater can be adjusted and used as a wet wipe. By utilizing rainwater to make the sheet, a wet sheet can be used even in situations where fresh water is unavailable, such as during a disaster.

[0042] The sheet packaging 1 may have a fragrance body containing fragrance components added to it along with the functional body 30 when in use. The fragrance body may be contained in the containment space S beforehand, or it may be configured to be contained in the containment space S when in use. By including the fragrance body in the sheet packaging, the sheet can be imparted with fragrance components as well as predetermined components. Furthermore, compared to a configuration where the fragrance components are pre-applied to the sheet, a fresher fragrance can be imparted, and the effects of the fragrance components can be imparted more effectively. In addition, by preparing multiple types of fragrance bodies with different fragrance components, the user can select their preferred fragrance body when in use and obtain a sheet with fragrance components that suit their preference.

[0043] (3) Method of using the sheet packaging according to the embodiment The present invention includes a method of using the sheet packaging 1 configured as described above. More specifically, the method of using the sheet packaging 1 is a method of using the sheet packaging 1 which comprises a dry sheet 10, a bag 20 having a storage space S for storing the sheet 10, and a functional body 30 containing predetermined components that dissolve and release components upon contact with moisture. When using, moisture is added to the storage space S, and the sheet impregnated with moisture and the functional body is removed from the storage space S. According to the method of using the sheet packaging 1 according to this embodiment, a sheet that is stored in a dry state before use and impregnated with the components of the functional body upon contact with moisture can be obtained. Therefore, the problem of not being able to maintain the wet state of the sheet 10 during storage and not being able to use it in an appropriate wet state can be suppressed, and the sheet 10 can be used in an appropriate wet state. When moisture is added during use, the components of the functional body 30 are impregnated into the sheet 10. Since the components of the functional body 30 are not dissolved before use, deterioration of the components can be prevented. Furthermore, since the sheet 10 is dry before use, such as during storage, the sheet packaging 1 can be made lighter and more space-saving.

[0044] (4) Functional body for the sheet package according to the embodiment The present invention includes a functional body 30 for the sheet package configured as described above. More specifically, the functional body 30 is used for the sheet package 1 having a sheet 10 in a dry state and a bag body 20 having an accommodation space S for accommodating the sheet 10. The functional body 30 contains a predetermined component and can release the component upon contact with moisture. During use, it is accommodated in the accommodation space S together with moisture and the sheet 10. The functional body 30 in this aspect dissolves upon contact with moisture during use, the component dissolves, and the component is impregnated into the sheet. By applying moisture during use, the component of the functional body 30 is impregnated into the sheet, preventing deterioration of the component of the functional body before use.

[0045] As described above, the present invention has been described in detail using the above-described embodiments. However, it is clear to those skilled in the art that the present invention is not limited to the embodiments described in this specification. The present invention can be implemented in modified and changed forms without departing from the spirit and scope of the present invention as defined by the claims. Therefore, the description in this specification is for the purpose of illustrative explanation and has no restrictive meaning for the present invention.

[0046] Note that the entire contents of Japanese Patent Application No. 2024-165329 filed on September 24, 2024 are incorporated herein by reference.

[0047] It is possible to achieve weight reduction and space saving, and provide a sheet package that can use an appropriately wet sheet during use.

[0048] 1: Sheet package 10: Sheet 20: Bag body 22: Bag opening 30: Functional body 40: Lid body S: Accommodation space W: Moisture

Claims

1. A sheet packaging comprising: a dry sheet; a bag having a storage space for containing the sheet; and a functional body that releases a predetermined component upon contact with moisture, wherein the storage space of the bag is capable of containing moisture applied from outside the bag during use, together with the sheet, and the sheet is impregnated with the component released from the functional body while the sheet, the functional body, and the moisture are all contained in the storage space.

2. The sheet packaging according to claim 1, wherein before use of the sheet, the sheet and the functional body are placed in the containment space, and when the sheet is used, moisture is added to the containment space.

3. The sheet packaging according to claim 1, wherein, before use of the sheet, the sheet is placed in the containment space, the functional body is placed outside the containment space, and when the sheet is used, the moisture and the functional body are added to the containment space.

4. The sheet packaging according to any one of claims 1 to 3, wherein the functional body is a microcapsule in which the component is encapsulated by the water-soluble wall material.

5. The sheet packaging according to any one of claims 1 to 3, wherein the functional body is applied to the sheet.

6. The functional body comprises a pH adjusting agent, as described in any one of claims 1 to 3.

7. A method for using a sheet packaging comprising a dry sheet, a bag having a storage space for containing the sheet, and a functional body containing a predetermined component that dissolves upon contact with moisture and releases the component, wherein, during use, moisture is added to the storage space, and the sheet impregnated with the moisture and the functional body is removed from the storage space.

8. A functional body for a sheet packaging comprising a dry sheet and a bag having a storage space for containing the sheet, wherein the functional body contains a predetermined component and is capable of releasing the component upon contact with moisture, and the functional body is contained in the storage space together with moisture and the sheet when in use.

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