JP2004041752A5 - - Google Patents

Claims (58)

An upper water-absorbing paper layer portion forming an upper surface, a lower water-absorbing paper layer portion forming a lower surface, and fibrous waste wood particles having a particle size of 5 mm or less disposed between the upper and lower water-absorbing paper layer portions Waste wood pulverized product mainly containing plastic waste material pulverized product particles having a particle size of 5 mm or less and a thickness of 2 mm or less. A water-absorbing mixed layer portion containing a small amount of water-absorbing resin, and the upper water-absorbing paper layer portion, the water-absorbing mixed layer portion and the lower water-absorbing paper layer portion are integrally formed by pressure molding. An absorbent body characterized in that a concavo-convex pattern for reservoir is formed on at least one surface of the formed surface . An upper water-absorbing paper layer portion forming an upper surface, a lower water-absorbing paper layer portion forming a lower surface, and fibrous waste wood particles having a particle size of 5 mm or less disposed between the upper and lower water-absorbing paper layer portions Waste wood pulverized product mainly containing plastic waste material pulverized product particles having a particle size of 5 mm or less and a thickness of 2 mm or less. A water-absorbing mixed layer portion containing a small amount of water-absorbing resin, and the upper water-absorbing paper layer portion, the water-absorbing mixed layer portion and the lower water-absorbing paper layer portion are integrally formed by pressure molding. And a concave / convex pattern for reservoir is formed on at least one of the formed surfaces, and the upper water absorbent paper layer portion, the water absorbent mixed layer portion or the lower water absorbent paper layer portion, or these At least two Absorber and a part surface active agent is contained in. An upper water-absorbing paper layer portion forming an upper surface, a lower water-absorbing paper layer portion forming a lower surface, an intermediate water-absorbing paper layer portion disposed between the upper and lower water-absorbing paper layer portions, and the upper portion A water absorbent resin layer portion disposed between the water absorbent paper layer portion and the intermediate water absorbent paper layer portion, and disposed between the intermediate water absorbent paper layer portion and the lower water absorbent paper layer portion; Waste wood pulverized product mainly containing fibrous waste wood particles of particle size, mainly containing plastic waste material pulverized particles having a particle size of 5 mm or less and a thickness of 2 mm or less, and pulverizing plastic waste material in a smaller amount than the waste wood pulverized product. And a water-absorbing mixed layer portion containing a smaller amount of water-absorbing resin than the pulverized plastic waste, and the upper water-absorbing paper layer portion, the water-absorbing resin layer portion, the intermediate water-absorbing paper layer portion, and the water-absorbing mixed portion. layer portion and a lower water absorbing paper layer portion, et combined by pressing It is formed integrally Te, absorber at least one surface is the formation, wherein the uneven pattern for sump is formed. An upper water-absorbing paper layer portion forming an upper surface, a lower water-absorbing paper layer portion forming a lower surface, an intermediate water-absorbing paper layer portion disposed between the upper and lower water-absorbing paper layer portions, and the upper portion A water absorbent resin layer portion disposed between the water absorbent paper layer portion and the intermediate water absorbent paper layer portion, and disposed between the intermediate water absorbent paper layer portion and the lower water absorbent paper layer portion; Waste wood pulverized product mainly containing fibrous waste wood particles of particle size, mainly containing plastic waste material pulverized particles having a particle size of 5 mm or less and a thickness of 2 mm or less, and pulverizing plastic waste material in a smaller amount than the waste wood pulverized product. And a water-absorbing mixed layer portion containing a smaller amount of water-absorbing resin than the pulverized plastic waste, and the upper water-absorbing paper layer portion, the water-absorbing resin layer portion, the intermediate water-absorbing paper layer portion, and the water-absorbing mixed portion. layer portion and a lower water absorbing paper layer portion, et combined by pressing Are formed integrally Te, at least one surface is its formation, are formed uneven pattern for sump, the top absorbent paper layer portion, the water-absorbent resin layer portion, an intermediate water absorbing paper layer A part, a water-absorbing mixed layer part, a lower water-absorbing paper layer part, or two or more of them contain a surfactant in at least a part thereof. An upper water absorbent paper layer portion forming an upper surface, a lower water absorbent paper layer portion forming a lower surface, an intermediate water absorbent paper layer portion disposed between the upper and lower water absorbent paper layer portions, and an upper water absorbent Waste wood pulverized material mainly disposed mainly with fibrous waste wood particles having a particle size of 5 mm or less and having a particle size of 5 mm or less and a thickness of 2 mm or less. An upper water-absorbing mixed layer part mainly containing plastic waste material pulverized particles and containing a smaller amount of plastic waste material pulverized material than the waste wood pulverized material and a smaller amount of water absorbent resin than the plastic waste material pulverized material, and the intermediate water absorbent paper layer Waste wood pulverized product mainly disposed mainly with fibrous waste wood particles having a particle size of 5 mm or less, and pulverized plastic waste material having a particle size of 5 mm or less and a thickness of 2 mm or less . Mainly containing particles, And a lower water absorbent mixed layer portion containing a smaller amount of water absorbent resin than the pulverized plastic waste material and a lower water absorbent mixed layer portion containing a smaller amount of water absorbent resin than the pulverized plastic waste material. The layer part, the upper water-absorbing mixed layer part, the lower water-absorbing mixed layer part, and the lower water-absorbing paper layer part are integrally formed by pressing , and on at least one surface formed, An absorbent body having an uneven pattern for storing a liquid . An upper water absorbent paper layer portion forming an upper surface, a lower water absorbent paper layer portion forming a lower surface, an intermediate water absorbent paper layer portion disposed between the upper and lower water absorbent paper layer portions, and an upper water absorbent Waste wood pulverized material mainly disposed mainly with fibrous waste wood particles having a particle size of 5 mm or less and having a particle size of 5 mm or less and a thickness of 2 mm or less. An upper water-absorbing mixed layer part mainly containing plastic waste material pulverized particles and containing a smaller amount of plastic waste material pulverized material than the waste wood pulverized material and a smaller amount of water absorbent resin than the plastic waste material pulverized material, and the intermediate water absorbent paper layer Waste wood pulverized product mainly disposed mainly with fibrous waste wood particles having a particle size of 5 mm or less, and pulverized plastic waste material having a particle size of 5 mm or less and a thickness of 2 mm or less . Mainly containing particles, And a lower water absorbent mixed layer portion containing a smaller amount of water absorbent resin than the pulverized plastic waste material and a lower water absorbent mixed layer portion containing a smaller amount of water absorbent resin than the pulverized plastic waste material. The layer part, the upper water-absorbing mixed layer part, the lower water-absorbing mixed layer part, and the lower water-absorbing paper layer part are integrally formed by pressure molding , and at least one of the formed surfaces has a liquid A concave / convex pattern for reservoir is formed, and the upper water absorbent paper layer portion, the intermediate water absorbent paper layer portion, the upper water absorbent mixed layer portion, the lower water absorbent mixed layer portion or the lower water absorbent paper layer portion or two of these An absorbent body characterized in that a surfactant is contained at least in part. The upper water-absorbent paper layer part or the lower water-absorbent paper layer part or the upper water-absorbent paper layer part and the lower water-absorbent paper layer part contain a coloring substance in at least a part thereof. The absorber according to any one of claims 1 to 6 . The upper water-absorbing paper layer portion, the upper water-absorbing mixed layer portion, the lower water-absorbing mixed layer portion or the lower water-absorbing paper layer portion, or two or more of them contain a substance having bactericidal properties at least in part. The absorber according to claim 1 or 2 , wherein Upper water-absorbing paper layer part, intermediate water-absorbing paper layer part, upper water-absorbing mixed layer part, lower water-absorbing mixed layer part or lower water-absorbing paper layer part The absorber as described in any one of Claims 3 thru | or 6 containing the substance which has. Plastic waste material pulverized product is pulverized synthetic resin fiber waste material with a particle size of 5 mm or less and a thickness of 2 mm or less, pulverized synthetic resin waste material in film or sheet form, pulverized synthetic rubber waste material in film or sheet form, pulverized plastic film waste material , Diaper waste pulverized material, milk pad waste pulverized material, urine pad waste pulverized material, sanitary napkin waste pulverized material, plastic material non-woven fabric waste pulverized material or laminated paper waste pulverized material, or classification of the pulverized material, etc. The absorbent according to any one of claims 1 to 6 , which is a separated product rich in plastic material or a mixture of two or more of the pulverized product and separated product rich in plastic material. The absorbent body according to any one of claims 1 to 6 , wherein the water absorbent resin is one kind of water absorbent resin or a mixture of two or more kinds of water absorbent resins. The water-absorbent resin or mixture of water-absorbent resins is a diaper waste pulverized material, a dairy pad waste pulverized product, a urine pad waste pulverized product, a sanitary napkin waste pulverized product, or an absorbent fiber waste pulverized product, or the water absorbent A water-absorbing resin separated or recovered from a mixture of water-soluble resins or a pulverized waste material of disposable diapers, a pulverized waste material of dairy pad, a pulverized waste material of urine pad, or a pulverized waste material of sanitary napkin, The absorber according to any one of claims 1 to 6 , characterized in that Mixtures of water-absorbing resin or the water absorbent resin, absorbing the aqueous mixture layer portion, absorbing aqueous mixture layer portion to claim 1 or 2, characterized in that it is contained at a content of less than 5% by weight The absorber as described in. The water absorbent resin or a mixture of water absorbent resins is mixed with the upper water absorbent mixed layer portion or the lower water absorbent mixed layer portion or the upper water absorbent mixed layer portion and the lower water absorbent mixed layer portion. to sexually mixed layer portion or the upper water mixed layer portion and a lower water absorbing mixture layer portion, according to any one of claims 3 to 6, characterized in that it is contained in a content of less than 5% by weight Absorber. Mixtures of water-absorbing resin or the water absorbent resin, the water-absorbing mixture layer portion, absorbing aqueous mixture layer portion to claim 1 or 2, characterized in that it is contained in the following content 10% by weight The absorber as described in. The water absorbent resin or a mixture of water absorbent resins is mixed with the upper water absorbent mixed layer portion or the lower water absorbent mixed layer portion or the upper water absorbent mixed layer portion and the lower water absorbent mixed layer portion. The water-soluble mixed layer part or the upper water-absorbing mixed layer part and the lower water-absorbing mixed layer part are contained at a content of 10% by weight or less, according to any one of claims 3 to 6 . Absorber. Mixtures of water-absorbing resin or the water absorbent resin, the water-absorbing mixture layer portion, absorbing aqueous mixture layer portion to claim 1 or 2, characterized in that it is contained in the following content 30% by weight The absorber as described in. The water absorbent resin or a mixture of water absorbent resins is mixed with the upper water absorbent mixed layer portion or the lower water absorbent mixed layer portion or the upper water absorbent mixed layer portion and the lower water absorbent mixed layer portion. The water-soluble mixed layer part or the upper water-absorbing mixed layer part and the lower water-absorbing mixed layer part are contained at a content of 30% by weight or less, according to any one of claims 3 to 6 . Absorber. The absorbent body according to any one of claims 1 to 6 and claim 11 to 14 , wherein the water-absorbent resin has an average particle size of 30 µm or less. The absorbent body according to any one of claims 1 to 6 and claim 11 to 14 , wherein the water-absorbent resin has an average particle size of 20 µm or less. A water-permeable thin layer portion that forms an upper surface and a water-permeable or water-impermeable thin layer portion that forms a lower surface, the upper surface is in contact with the lower surface of the water-permeable thin layer portion that forms the upper surface, and the lower surface is formed 21. A water absorbent mat, wherein the absorbent body according to any one of claims 1 to 20 is provided with a lower surface in contact with an upper surface of a water-permeable or water-impermeable thin layer portion .   The water-absorbent mat according to claim 21, wherein the water-permeable thin layer portion forming the upper surface is formed of a dry nonwoven fabric or a wet nonwoven fabric.   The water-absorbent mat according to claim 21, wherein the water-impermeable thin layer portion forming the lower surface is formed of a plastic film or a flexible plastic sheet.   The water-absorbent mat according to claim 21, wherein the water-permeable thin layer portion forming the lower surface is formed of a plastic film or a flexible plastic sheet in which a plurality of holes are formed. A water-permeable thin layer portion forming an upper surface and a water-permeable or water-impermeable thin layer portion forming a lower surface; the water-permeable thin layer portion contacting the lower surface of the water-permeable thin layer portion and forming the lower surface; A packaging material, wherein the absorbent body according to any one of claims 1 to 20 is provided with a lower surface in contact with an upper surface of the water-permeable thin layer portion. 26. The packaging material according to claim 25 , wherein the water-permeable thin layer portion forming the upper surface is formed of a dry nonwoven fabric or a wet nonwoven fabric. 26. The packaging material according to claim 25, wherein the water-impermeable thin layer portion forming the lower surface is formed of a plastic film or a flexible plastic sheet. 26. The packaging material according to claim 25, wherein the water-permeable thin layer portion forming the lower surface is formed of a plastic film or a flexible plastic sheet in which a plurality of holes are formed.   A water-permeable thin layer portion that forms an upper surface and a water-permeable or water-impermeable thin layer portion that forms a lower surface, the upper surface is in contact with the lower surface of the water-permeable thin layer portion that forms the upper surface, and the lower surface is formed 21. A water absorbent mat, wherein the absorbent body according to any one of claims 1 to 20 is provided with a lower surface in contact with an upper surface of a water-permeable or water-impermeable thin layer portion.   30. The water absorbent sheet according to claim 29, wherein the water permeable thin layer portion forming the upper surface is formed of a dry nonwoven fabric or a wet nonwoven fabric.   30. The water absorbent sheet according to claim 29, wherein the water-impermeable thin layer portion forming the lower surface is formed of a plastic film or a flexible plastic sheet.
30. The water absorbent sheet according to claim 29, wherein the water permeable thin layer part forming the lower surface is formed of a plastic film or a flexible plastic sheet in which a plurality of holes are formed. The waste wood particles are defibrated into fibrous waste wood particles having a particle size of 5 mm or less to form a waste wood pulverized product mainly containing the fibrous waste wood particles, and the formed fibrous waste wood particles Waste wood pulverized product mainly containing plastic waste material pulverized product particles having a particle size of 5 mm or less and a thickness of 2 mm or less, and a smaller amount of plastic waste product pulverized product and plastic waste product pulverized product than the waste wood pulverized product A lower amount of water-absorbing resin is added to form a water-absorbing mixture, and the water-absorbing mixture thus formed is used as a water-absorbing mixture that forms the water-absorbing mixed layer portion. Place the upper water-absorbing paper that forms the upper water-absorbing paper layer on the water-absorbing mixture placed on the paper, and pressurize the upper water-absorbing paper, the water-absorbing mixture, and the lower water-absorbing paper molded, the lower water absorption Paper layer portion, the upper absorbent paper layer portion formed integrally formed on the water-absorbent mixture layer portion is formed on of the paper layer portion and the water-absorbing mixture layer portion, on at least one surface the method of the absorber, characterized that you form absorber uneven pattern for sump is formed. The waste wood particles are defibrated into fibrous waste wood particles having a particle size of 5 mm or less to form a waste wood pulverized product mainly containing the fibrous waste wood particles, and the formed fibrous waste wood particles Waste wood pulverized product mainly containing plastic waste material pulverized product particles having a particle size of 5 mm or less and a thickness of 2 mm or less, and a smaller amount of plastic waste product pulverized product and plastic waste product pulverized product than the waste wood pulverized product A smaller amount of water-absorbing resin is added to form a water-absorbing mixture, and a part of the formed water-absorbing mixture is placed on the lower water-absorbing paper as the lower water-absorbing mixture forming the lower water-absorbing mixed layer portion. An intermediate water-absorbing paper that forms an intermediate water-absorbing paper layer portion is placed on the lower water-absorbing mixture, a part of the water-absorbing mixture is placed on the intermediate water-absorbing paper, and an upper water-absorbing mixed layer portion Forming the upper water absorption The upper water-absorbing paper is placed on the upper water-absorbing mixture to form an upper water-absorbing paper layer, and the upper water-absorbing paper, the upper water-absorbing mixture, the intermediate water-absorbing paper, and the lower water-absorbing mixture. The lower water absorbent paper is formed by pressure forming the lower water absorbent paper layer portion, the lower water absorbent mixed layer portion formed on the lower water absorbent paper layer portion, and the lower water absorbent mixed layer portion. The intermediate water absorbent paper layer portion, the upper water absorbent mixed layer portion formed on the intermediate water absorbent paper layer portion, and the upper water absorbent paper layer portion formed on the upper water absorbent mixed layer portion are integrated. A method for producing an absorbent body, characterized by forming an absorbent body that is formed with a concavo-convex pattern for reservoir on at least one surface . The waste wood particles are defibrated into fibrous waste wood particles having a particle size of 5 mm or less to form a waste wood pulverized product mainly containing the fibrous waste wood particles, and the formed fibrous waste wood particles Waste wood pulverized product mainly containing plastic waste material pulverized product particles having a particle size of 5 mm or less and a thickness of 2 mm or less, and a smaller amount of plastic waste product pulverized product and plastic waste product pulverized product than the waste wood pulverized product A smaller amount of water-absorbing resin is added to form a water-absorbing mixture, and a part of the formed water-absorbing mixture is placed on the lower water-absorbing paper as a water-absorbing mixture forming the water-absorbing mixed layer portion. An intermediate water-absorbing paper that forms an intermediate water-absorbing paper layer is placed on the water-absorbing mixture, and a water-absorbing resin is placed on the intermediate water-absorbing paper as a water-absorbing resin that forms the water-absorbing resin layer. The water-absorbent resin layer The upper absorption paper forming the top absorbent paper layer portion is placed on the said upper absorption paper, the water-absorbing resin, an intermediate water absorbing paper, the water mixture and the lower liquid absorption paper and pressure-molding, the lower water absorption A paper layer portion, a water absorbent mixed layer portion formed on the lower water absorbent paper layer portion, an intermediate water absorbent paper layer portion formed on the water absorbent mixed layer portion, and the intermediate water absorbent paper layer portion. The water-absorbing resin layer part formed on the upper water-absorbing paper layer part formed on the water-absorbing resin layer part is integrally molded to form a concave / convex pattern for liquid reservoir on at least one surface. manufacturing method of the absorbent body, characterized that you form the absorbent body that is. The waste iron particles pulverize the waste wood into waste wood particles having a particle size of 30 mm or less, and the metal iron contained in the waste wood pulverized material by magnetic force from the pulverized waste wood mainly containing the pulverized waste wood particles. Manufactured by separating waste wood particles containing powder and metallic iron, and crushing and defibrating the waste wood pulverized product from which the waste metal particles containing metallic iron powder and / or metallic iron are separated to a particle size of 5 mm or less 35. The method for manufacturing an absorbent body according to any one of claims 32 to 34 , wherein the absorber is manufactured. A waste wood pulverized product containing fibrous waste wood particles having a particle size of 5 mm or less and a plastic waste material pulverized product particle having a particle size of 5 mm or less are mainly contained. sprayed with the mixture of water waste wood pulverized material was sprayed and plastic waste material ground was a water-absorbent resin are mixed, any one of claims 32 to 34, characterized in that to form a water mixture The manufacturing method of the absorber as described in any one of. A waste wood pulverized product containing fibrous waste wood particles having a particle size of 5 mm or less and a plastic waste material pulverized product particle having a particle size of 5 mm or less are mainly contained. sprayed with the mixture of water waste wood pulverized material was sprayed and plastic waste material ground was a water-absorbent resin are mixed, and forming an upper water mixture and / or the lower absorbent mixing compound The manufacturing method of the absorber of Claim 33 or 34 . Plastic waste pulverized material is synthetic resin fiber waste, film or sheet-like synthetic resin waste, film or sheet-like synthetic rubber waste, plastic film waste, paper diaper waste, milk pad waste, urine pad waste, sanitary napkin waste or laminate 35. Manufacture of an absorbent body according to any one of claims 32 to 34 , wherein the paper waste material or two or more waste materials are produced by crushing to a particle size of 5 mm or less with a crusher. Method. Plastic waste pulverized materials are synthetic resin fiber waste, film or sheet-like synthetic resin waste, film or sheet-like synthetic rubber waste, plastic film waste, paper diaper waste, milk pad waste, urine pad waste, sanitary napkin waste or laminate claim, characterized in that the paper waste, or these two or more waste are those produced by the pulverized product is pulverized to a particle size of less than 5mm separation process to separate those rich in plastic by a pulverizer 32 The manufacturing method of the absorber as described in any one of thru | or 34 . At least part of the upper water-absorbent paper layer portion or the lower water-absorbent paper layer portion or the water-absorbent paper layer portion and the lower water-absorbent paper layer portion before or after being disposed on the absorbent body, The method for producing an absorbent body according to any one of claims 32 to 34, wherein a coloring substance is applied. The upper water-absorbent paper layer portion, the lower water-absorbent paper layer portion, the water-absorbent mixed layer portion, or two or more of them are preliminarily sterilized before or after being placed on the absorbent body. The method for producing an absorbent body according to claim 32 , wherein the substance is impregnated.   The upper water-absorbing paper layer part, the intermediate water-absorbing paper layer part, the upper water-absorbing mixed layer part, the lower water-absorbing mixed layer part or the lower water-absorbing paper layer part, or two or more of these may be The method for producing an absorbent body according to claim 36, wherein after disposition, at least a part thereof is impregnated with a sterilizing substance. The method for producing an absorbent body according to claim 34 , wherein the water absorbent resin is supplied to the water absorbent resin layer after mixing one kind of water absorbent resin or two or more kinds of water absorbent resins. The water-absorbent resin or mixture of water-absorbent resins is a water-absorbent resin separated or recovered from disposable diaper waste, milk pad waste, urine pad waste, sanitary napkin waste or absorbent fiber waste, or a mixture of two or more of these water-absorbent resins. The method for producing an absorbent body according to any one of claims 32 to 34 , wherein the absorbent body is provided. The water absorbent resin or a mixture of water absorbent resins is prepared in an amount of less than 5% by weight, 10% by weight or less, or 30% by weight or less before blending in the water absorbent mixed layer part. Item 35. The method for producing an absorbent body according to any one of Items 32 to 34 . Mixtures of water-absorbing resin or the water absorbent resin before being incorporated into the water mixed layer unit, one of claims 32 to 34, characterized in that it is the particle size adjusted to those having the average particle size of 30μm one The manufacturing method of the absorber as described in a term. Mixtures of water-absorbing resin or the water absorbent resin before being incorporated into the water mixed layer unit, one of claims 32 to 34, characterized in that it is the particle size adjusted to those having the average particle size of 20μm one The manufacturing method of the absorber as described in a term. An absorbent body produced by the production method according to any one of claims 32 to 47 is disposed on a water-impermeable or water-permeable thin layer member forming a water-impermeable or water-permeable thin layer part, and A water-permeable thin layer member that forms a water-permeable thin layer portion is disposed on the absorber before or after the absorber is disposed, and the water-impermeable or water-permeable thin layer member, the absorber, and the water-permeable thin film. By pressure bonding the layer member, an impermeable or water-permeable thin layer portion is formed in contact with the lower water-absorbent paper layer portion of the absorber, and the water-permeable thin layer portion is contacted with the upper water-absorbent paper layer portion of the absorber. A method for producing a water-absorbent mat, characterized by comprising: The method for producing a water-absorbent mat according to claim 48 , wherein the water- permeable thin layer portion disposed on the absorbent body is formed of a dry nonwoven fabric or a wet nonwoven fabric. The method for producing a water-absorbent mat according to claim 48 , wherein the water -impermeable thin layer portion is formed of a plastic film or a flexible plastic sheet. The water-absorbing thin film according to claim 48 , wherein the water- permeable thin layer portion disposed below the absorbent body is formed of a plastic film or a flexible plastic sheet in which a plurality of holes are formed . Manufacturing method of mat . The absorber manufactured by the manufacturing method according to any one of claims 32 to 47 is disposed on a water-impermeable thin layer member forming the water-impermeable thin layer portion, and before the absorber is disposed. Alternatively, after or at the same time, by placing a water-permeable thin layer member that forms a water-permeable thin layer portion on the absorbent body, and crimping the water-impermeable thin layer member, the absorber and the water-permeable thin layer member, Forming a water-impermeable thin layer part under the lower water-absorbent paper layer part of the absorber and forming a water-permeable thin layer part over the upper water-absorbent paper layer part of the absorber. A method for producing a packaging material. 53. The method for producing a packaging material according to claim 52 , wherein the water-permeable thin layer portion disposed on the absorbent body is formed of a dry nonwoven fabric or a wet nonwoven fabric. 53. The method for manufacturing a packaging material according to claim 52 , wherein the water-impermeable thin layer portion is formed of a plastic film or a flexible plastic sheet.   56. The packaging material according to claim 55, wherein the water-permeable thin layer portion disposed under the absorbent body is formed of a plastic film or a flexible plastic sheet in which a plurality of holes are formed. Manufacturing method. The absorber manufactured by the manufacturing method according to any one of claims 32 to 47 is disposed on a water-impermeable thin layer member forming the water-impermeable thin layer portion, and before the absorber is disposed. Alternatively, after or at the same time, by placing a water-permeable thin layer member that forms a water-permeable thin layer portion on the absorbent body, and crimping the water-impermeable thin layer member, the absorber and the water-permeable thin layer member, Forming a water-impermeable thin layer part under the lower water-absorbent paper layer part of the absorber and forming a water-permeable thin layer part over the upper water-absorbent paper layer part of the absorber. A method for producing a water-absorbent sheet . 57. The method for producing a water absorbent sheet according to claim 56 , wherein the water permeable thin layer portion disposed on the absorbent body is formed of a dry nonwoven fabric or a wet nonwoven fabric. 56. The water absorbing property according to claim 55, wherein the water permeable thin layer portion disposed under the absorbent body is formed of a plastic film or a flexible plastic sheet in which a plurality of holes are formed . Sheet manufacturing method.