WO2023106059A1 - Papier peint fonctionnel - Google Patents

Papier peint fonctionnel Download PDF

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Publication number
WO2023106059A1
WO2023106059A1 PCT/JP2022/042654 JP2022042654W WO2023106059A1 WO 2023106059 A1 WO2023106059 A1 WO 2023106059A1 JP 2022042654 W JP2022042654 W JP 2022042654W WO 2023106059 A1 WO2023106059 A1 WO 2023106059A1
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WO
WIPO (PCT)
Prior art keywords
water
weight
functional wallpaper
based paint
nonwoven fabric
Prior art date
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PCT/JP2022/042654
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English (en)
Japanese (ja)
Inventor
慎吾 松島
Original Assignee
株式会社ナガイ
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Application filed by 株式会社ナガイ filed Critical 株式会社ナガイ
Priority to JP2023559986A priority Critical patent/JP7436088B2/ja
Publication of WO2023106059A1 publication Critical patent/WO2023106059A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/04—Layered products comprising a layer of synthetic resin as impregnant, bonding, or embedding substance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/04—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres having existing or potential cohesive properties, e.g. natural fibres, prestretched or fibrillated artificial fibres
    • D04H1/26—Wood pulp
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/435—Polyesters
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N7/00—Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material
    • D06N7/0002—Wallpaper or wall covering on textile basis
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/10—Organic non-cellulose fibres
    • D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H13/24—Polyesters
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/10—Coatings without pigments
    • D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
    • D21H19/20—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/18—Paper- or board-based structures for surface covering
    • D21H27/20—Flexible structures being applied by the user, e.g. wallpaper
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/072—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of specially adapted, structured or shaped covering or lining elements
    • E04F13/077—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of specially adapted, structured or shaped covering or lining elements composed of several layers, e.g. sandwich panels

Definitions

  • the present invention relates to wallpaper having functionality, particularly having moisture permeability, breathability, high durability and high strength, low elongation in water (elongation in water), less deterioration of aesthetic appearance, and workability. Regarding good wallpaper.
  • Patent Document 1 in wallpaper consisting of a base material layer and a surface layer, a deodorant consisting of a porous inorganic substance, an amine compound, and a metal oxide, a water-repellent resin compound, and a layered
  • An antifouling and deodorizing wallpaper in which a silicate mineral is fixed together with a penetrating agent by a binder resin.
  • Patent Document 2 discloses a nonwoven fabric containing pulp fibers and synthetic fibers, wherein the synthetic fibers include synthetic fibers having an irregular cross section as the synthetic fibers, and the pulp fibers, the synthetic fibers having a circular cross section, and the irregular cross sections. It is disclosed that the nonwoven fabric is characterized by a synthetic fiber content ratio of 80 to 50:40 to 0:50 to 10, and can also be used for wallpaper.
  • JP 2012-117222 A Japanese Patent Application Laid-Open No. 2018-3218
  • Patent Document 1 Although the antifouling and deodorizing wallpaper described in Patent Document 1 has deodorizing properties, there is a problem that it does not have moisture permeability, antibacterial properties and antiviral properties. As a result, there is a problem that dew condensation and mold may occur on the surface of the wallpaper.
  • the nonwoven fabric described in Patent Literature 2 has the problem that it is highly likely that the moisture permeability/moisture release is low and the problem that the durability is low.
  • the present invention has multifunctionality such as moisture permeability (hygroscopicity/moisture release) and breathability (air permeability), high durability and high strength, and has a high elongation in water (elongation in water).
  • moisture permeability hygroscopicity/moisture release
  • breathability air permeability
  • the inventors of the present invention as a result of diligent research and development on the above problems, have found the following epoch-making functional wallpaper.
  • a first aspect of the present invention for solving the above problems is a functional wallpaper having an impregnated layer impregnated with a water-based paint on one surface of a sheet substrate, wherein the sheet substrate contains 5 to 55% by weight and 45 to 95% by weight of pulp, wherein the dry weight of the water-based paint impregnated in the impregnation layer is 20 g/m 2 to 150 g/m 2 In functional wallpaper.
  • polyester fiber refers to a fiber made of polyester.
  • "Impregnation” is a concept that includes not only the state in which the water-based paint is impregnated into the fine holes and grooves of the nonwoven fabric, but also the state in which part of the water-based paint is exposed on the surface of the nonwoven fabric.
  • a functional wallpaper that has both high tensile strength and low elongation in water, and that can further prevent the occurrence of cracks and tears due to movement of the skeleton and absorption of moisture. can.
  • a second aspect of the present invention is the functional wallpaper according to the first aspect, wherein the sheet base material contains 5 to 40% by weight of polyester fiber and 60 to 95% by weight of pulp. .
  • a functional wallpaper that has both higher tensile strength and lower elongation in water, and that can further prevent the occurrence of cracks and tears due to movement of the skeleton and absorption of moisture. be able to.
  • a third aspect of the present invention is the functional wallpaper according to the first aspect, characterized in that one surface of the sheet base material has a ten-point average roughness of 8 ⁇ m to 14 ⁇ m.
  • an impregnated layer having a sufficient thickness, so that it is possible to provide a functional wallpaper that is less likely to lose its aesthetic appearance.
  • a fourth aspect of the present invention is the functional wallpaper according to the first aspect, characterized in that one surface of the sheet base material has a ten-point average roughness of 9 ⁇ m to 13 ⁇ m.
  • the sheet base material is a nonwoven fabric containing 20 to 35% by weight of polyester and 65 to 80% by weight of pulp. Functionality according to the first aspect on the wallpaper.
  • a functional wallpaper that has both high tensile strength and low elongation in water, and that can further prevent the occurrence of cracks and tears due to movement of the skeleton and absorption of moisture.
  • a sixth aspect of the present invention is characterized in that the sheet base material is a nonwoven fabric containing 10 to 35% by weight of polyester, 60 to 85% by weight of pulp, and 1 to 5% by weight of polyolefin fiber.
  • the functional wallpaper according to the first aspect is characterized in that the sheet base material is a nonwoven fabric containing 10 to 35% by weight of polyester, 60 to 85% by weight of pulp, and 1 to 5% by weight of polyolefin fiber.
  • the polyolefin fiber refers to a fiber composed of polyolefin.
  • the crystallinity of the polyester fibers on the surface of the sheet substrate is lower than the crystallinity of the polyester fibers inside the sheet substrate. In functional wallpaper.
  • the flexibility of the sheet substrate can be improved without changing the tensile strength and elongation in water.
  • embossing which will be described later, can be easily formed.
  • An eighth aspect of the present invention is any one of the first to seventh aspects, wherein the water-based paint impregnated in the impregnation layer has a dry weight of 27 g/m 2 to 137 g/m 2 . It is in the functional wallpaper described in one.
  • the impregnated layer has a sufficient thickness and is less likely to be scraped and cracked, so it is possible to provide a functional wallpaper that is less likely to lose its aesthetic appearance and is easier to handle.
  • the water-based paint contains a material having a photocatalytic function, or a coating layer containing a material having a photocatalytic function is provided on the impregnated layer.
  • the ninth aspect it is possible to exhibit a photocatalytic function, so it is possible to provide a functional wallpaper having functions such as a deodorizing function and a sterilizing function.
  • a tenth aspect of the present invention is the functional wallpaper according to the first aspect, wherein the water-based paint contains 5 to 20% by weight of calcium hydroxide.
  • functional wallpaper having higher moisture absorption, higher moisture release, antibacterial function, antiviral function, deodorant function, volatile organic compound (VOC) adsorption function, and carbon dioxide adsorption function can be provided.
  • An eleventh aspect of the present invention is the functionality according to the first aspect, characterized in that 0.05 to 50 parts by weight of silver is contained when the solid content of the water-based paint is 100 parts by weight. on the wallpaper.
  • solid content refers to the proportion of components remaining as a coating film after the paint has dried.
  • a twelfth aspect of the present invention is a function according to the first aspect, wherein the viscosity of the water-based paint before impregnating the impregnated layer is in the range of 0.26 pa s to 1.7 pa s. in sex wallpaper.
  • the non-woven fabric can be uniformly impregnated with an appropriate amount of water-based paint, so that functional wallpaper with excellent appearance can be produced.
  • a thirteenth aspect of the present invention resides in the functional wallpaper according to the first aspect, characterized in that the other side of the sheet base material has an adhesive layer coated with an adhesive.
  • the functional wallpaper can be easily attached to the wall of the building or the like.
  • a fourteenth aspect of the present invention is the functional wallpaper according to the first aspect, characterized in that an ink layer containing a pigment is provided on the impregnation layer.
  • a fifteenth aspect of the present invention is the functional wallpaper according to the first aspect, wherein one surface of the sheet base material is embossed.
  • FIG. 1 is a schematic side view of functional wallpaper according to Embodiment 1.
  • FIG. 2 is a table showing experimental results of tensile strength, tensile elongation at break and wet tensile strength.
  • FIG. 3 is a graph showing the test results of the tensile strength test.
  • FIG. 4 is a table showing test results of elongation in water.
  • FIG. 5 is a graph showing the test results of the moisture permeability test.
  • FIG. 6 is a schematic perspective view of a dew condensation test experimental apparatus.
  • FIG. 7 is a photograph showing the state of the experimental device for the dew condensation test.
  • FIG. 8 is a table showing the test conditions for the antibacterial activity test.
  • FIG. 9 is a table showing the results of the antibacterial activity test.
  • 10 is a schematic side view of the functional wallpaper according to Embodiment 3.
  • FIG. 1 is a schematic side view of functional wallpaper according to Embodiment 1.
  • the functional wallpaper 1 according to this embodiment is composed of a nonwoven fabric 10 which is a sheet base material having an impregnated layer 15 impregnated with a water-based paint on one side (upper surface).
  • the structure of the nonwoven fabric 10 is not particularly limited as long as it contains 5 to 55% by weight of polyester fiber and 45 to 95% by weight of pulp. of pulp is preferred.
  • the cross-sectional shape of the pulp is not particularly limited, but a circular or elliptical shape (excluding irregular cross-sections) is preferable because the pulps are appropriately entangled with each other to improve the tensile strength.
  • the diameter of the pulp and polyester fibers is preferably 5 ⁇ m to 20 ⁇ m, more preferably 10 ⁇ m to 15 ⁇ m.
  • Polyester fibers are not particularly limited, but fibers such as polyethylene terephthalate (PET) and polybutylene terephthalate (PBT) are preferable.
  • PET polyethylene terephthalate
  • PBT polybutylene terephthalate
  • the nonwoven fabric having such a structure has a high tensile strength (for example, 100 N/15 mm or more), it is possible to prevent the functional wallpaper 1 from cracking or tearing due to movement of the structure due to drying of the structure or shaking of the earth's crust. If the tensile strength is less than 100 N/15 mm, the functional wallpaper may crack or tear as the frame moves.
  • the nonwoven fabric 10 having such a structure has a low elongation in water (elongation in water) (for example, 0.5% or less, preferably 0.3% or less), it is difficult to expand even if it absorbs moisture (humidity). . As a result, tearing of the functional wallpaper 1 due to absorption of moisture can be prevented. If the elongation in water is more than 1%, the functional wallpaper may tear due to water absorption.
  • the elongation in water is according to J.P. TAPPI No. It can be measured by the test method specified in 27-B.
  • the nonwoven fabric 10 having such a structure has sufficient moisture absorption (for example, 105 g/m 2 or more) and moisture release (for example, 77 g/m 2 or more).
  • moisture absorption for example, 105 g/m 2 or more
  • moisture release for example, 77 g/m 2 or more.
  • hygroscopicity refers to the property of absorbing moisture (humidity) in the air
  • moisture releasing refers to the property of releasing absorbed moisture.
  • the weight ratio of polyester fiber to pulp is preferably 20 to 35% by weight and 65 to 80% by weight.
  • the nonwoven fabric 10 having such a structure has both high tensile strength and low elongation in water, and can further prevent the occurrence of cracks and tears in the functional wallpaper 1 due to movement of the body and absorption of moisture.
  • the nonwoven fabric 10 may be configured to contain glass fibers in addition to polyester fibers and pulp. By including glass fibers, the strength and durability of the nonwoven fabric 10 can be improved.
  • the nonwoven fabric 10 may contain titanium oxide or the like as a stabilizer, or synthetic rubber, acrylic, vinyl acetate, vinyl chloride, or urethane binders. It may be Needless to say, the nonwoven fabric 10 does not have to contain anything other than polyester fibers and pulp.
  • the surface ten-point average roughness (Rz) of one side of the nonwoven fabric 10 is preferably 8 ⁇ m to 14 ⁇ m. If the ten-point average roughness is less than 8 ⁇ m, it is difficult for the nonwoven fabric 10 to be impregnated with the water-based paint, and the impregnation layer 15 having a sufficient thickness cannot be formed. On the other hand, if the ten-point average roughness is greater than 14 ⁇ m, the impregnated layer 15 will easily come off. As a result, the aesthetic appearance of the functional wallpaper 1 is likely to be spoiled.
  • One surface of the nonwoven fabric 10 (the surface on which the impregnation layer 15 is formed) preferably has a ten-point average roughness of 9 ⁇ m to 13 ⁇ m.
  • the nonwoven fabric 10 having such a structure has a sufficient thickness and can easily form the impregnated layer 15 that is difficult to peel off.
  • the ten-point average roughness (Rz) can be measured using, for example, a white interferometer NEXVIEW manufactured by Zygo.
  • the crystallinity of the polyester fibers on the surface of the nonwoven fabric 10 is preferably lower than the crystallinity of the polyester fibers inside the nonwoven fabric 10 .
  • a nonwoven fabric having such a structure can improve the flexibility of the sheet base material without changing the tensile strength and elongation in water.
  • the degree of crystallinity of polyester fibers can be grasped, for example, by comparing the melting points of polyester fibers. can).
  • Such a non-woven fabric can be produced by rapidly cooling after heating or by using recycled resin as the raw material of the polyester fiber.
  • the thickness of the impregnation layer 15 is not limited as long as it is a layer in which one surface of the nonwoven fabric 10 is impregnated with a water-based paint . m2 .
  • “at the time of dryness” refers to a state in which the water content of the water-based paint is 8% when the method for measuring water content of building materials (JIS A 1476:2016) is used.
  • the thickness of the impregnation layer 15 will be insufficient and it will be easily scraped off. As a result, the aesthetic appearance of the functional wallpaper 1 is likely to be spoiled.
  • the dry weight of the water-based paint impregnated in the impregnated layer 15 is more than 150 g/m 2 , the weight of the impregnated layer 15 becomes heavy, so the weight of the functional wallpaper 1 also becomes heavy. As a result, the functional wallpaper 1 becomes difficult to handle.
  • the thickness of the impregnated layer 15 impregnated with the water-based paint increases, so that the impregnated layer 15 tends to crack. As a result, the aesthetic appearance of the functional wallpaper 1 is likely to be spoiled.
  • the dry weight of the water-based paint impregnated in the impregnation layer 15 is preferably 27 g/m 2 to 137 g/m 2 .
  • the impregnated layer 15 having a dry weight of the water-based paint in this range has a sufficient thickness and is not easily scraped and cracked. As a result, the functional wallpaper 1 that is easy to handle and whose beauty is less likely to be spoiled is obtained.
  • the water-based paint is not particularly limited as long as it can be impregnated into the nonwoven fabric 10, but is preferably a water-based emulsion paint in which oil or resin, which is the main component of the paint, is dispersed in water. Particularly preferred is a synthetic resin emulsion paint in which emulsion particles aggregate and fuse together to form a continuous coating film.
  • water-based paints include water-based Ken Ace (manufactured by Nippon Paint Co., Ltd.), Ecoflat (registered trademark) series such as Ecoflat 100 (manufactured by Nippon Paint Co., Ltd.), Ares (registered trademark) Dynamic Series (Kansai Paint Co., Ltd. ), Campe Interior Emulsion V (manufactured by Kansai Paint Co., Ltd.), Kellymore (manufactured by Brighton Co., Ltd.), J Color (Turner Color Co., Ltd.), and the like.
  • the impregnation layer 15 By impregnating the nonwoven fabric 10 with the aqueous paint, the impregnation layer 15 can be formed without impairing the moisture permeability of the nonwoven fabric. As a result, functional wallpaper 1 having sufficient moisture permeability can be provided. Further, when a water-based emulsion paint is used as the water-based paint, each fine particle is uniformly dispersed, so that a uniform impregnation layer can be formed. As a result, it is possible to provide functional wallpaper with excellent aesthetics. Furthermore, by using a synthetic resin emulsion paint as a water-based paint, it is possible to provide a functional wallpaper that has an excellent appearance and a low environmental load.
  • the water-based paint may contain one or more kinds of materials having a photocatalytic function (photocatalytic material), calcium hydroxide, silver (silver ions), and the like.
  • the functional wallpaper 1 can have a photocatalytic function by using a water-based paint containing a photocatalyst. That is, the functional wallpaper 1 can be provided with a deodorizing function, a sterilizing function, an antiviral function, an anti-algae function, an anti-mold function, and the like.
  • the ratio of the photocatalyst material to the water-based paint before the nonwoven fabric 10 is impregnated is preferably 0.1 to 15% by weight.
  • the ratio of the photocatalyst material to the water-based paint before the nonwoven fabric 10 is impregnated is particularly preferably 5 to 10% by weight so that both the photocatalyst function and the paint function can be achieved.
  • the photocatalytic material is not particularly limited as long as it has a photocatalytic function, but preferably includes a visible-light-responsive photocatalyst.
  • the photocatalyst material include titanium dioxide having photocatalytic function and titanium dioxide having visible light responsive photocatalytic function.
  • the photocatalyst material include coating compositions described in Japanese Patent No. 7080593.
  • the functional wallpaper 1 is resistant to discoloration, and antibacterial properties, antiviral properties, etc. can be imparted to the functional wallpaper 1 .
  • the functional wallpaper 1 has higher moisture absorption and high moisture release, antibacterial function, antiviral function, deodorant function, volatile organic compound (VOC) adsorption function, A carbon dioxide adsorption function or the like can be imparted.
  • the ratio of calcium hydroxide to the aqueous paint before the nonwoven fabric 10 is impregnated is preferably 5 to 20% by weight. If the proportion of calcium hydroxide is less than 5% by weight, the above-described high hygroscopicity and high moisture release properties cannot be exhibited. On the other hand, if the proportion of calcium hydroxide is more than 20% by weight, the coating cannot exhibit its functions (protection, beauty, etc.).
  • the ratio of calcium hydroxide to the water-based paint before the nonwoven fabric 10 is impregnated is particularly preferably 10 to 15% by weight so that the functions (protection, beauty, etc.) of the paint can be exhibited more effectively.
  • the water-based paint containing calcium hydroxide is not particularly limited as long as the ratio of calcium hydroxide to the water-based paint before the wallpaper is impregnated is 5 to 20% by weight.
  • Water-based paints containing Examples of the water-based paint containing the same components as the plaster include Aresshikui manufactured and sold by Kansai Paint Co., Ltd., and the like.
  • the functional wallpaper 1 can be endowed with high antibacterial properties.
  • the water-based paint containing silver (silver ions) is not particularly limited as long as it contains silver (silver ions), but an inorganic antibacterial agent carrying silver ions is preferable. Specific examples of inorganic antibacterial agents carrying silver ions include Novaron (registered trademark) (manufactured by Toagosei Co., Ltd.).
  • the content of silver (silver ions) in the water-based paint is preferably 0.05 to 50 parts by weight, particularly preferably 0.5 to 10 parts by weight, based on 100 parts by weight of the solid content of the water-based paint.
  • the water-based paint preferably has a viscosity of 0.26 pa ⁇ s to 1.7 pa ⁇ s before the impregnation layer 15 is impregnated. If the viscosity of the water-based paint is less than 0.26 pa ⁇ s, the surface of the nonwoven fabric 10 cannot be sufficiently coated with the water-based paint, and the nonwoven fabric 10 cannot be uniformly impregnated with an appropriate amount of the water-based paint. As a result, the functional wallpaper 1 is not aesthetically pleasing. On the other hand, if the viscosity of the water-based paint is higher than 1.7 pa ⁇ s, it will not be possible to uniformly impregnate the water-based paint in an appropriate amount. The viscosity can be measured by setting the temperature of the water-based paint to 20° C. and using Zahn Cup No. 5.
  • the functional wallpaper 1 according to this embodiment can be manufactured as follows. First, one surface of the nonwoven fabric 10 is coated with a water-based paint using a coater such as a roll coater. Next, the nonwoven fabric coated with the water-based paint is dried. After that, the functional wallpaper 1 can be manufactured by cutting into a predetermined shape. [Example 1]
  • the nonwoven fabric is composed of polyester fibers and pulp, but the present invention is not limited to this.
  • the nonwoven fabric may comprise 10-35% by weight polyester, 60-85% by weight pulp, and 1-5% by weight polyolefin fibers.
  • the nonwoven fabric having such a structure has improved water resistance and adhesiveness due to the inclusion of polyolefin fibers, so that it has higher tensile strength, lower elongation in water, and can prevent fluffing.
  • a functional wallpaper that has both high tensile strength and low elongation in water, and that can further prevent the occurrence of cracks and tears due to movement of the skeleton and absorption of moisture.
  • the polyolefin fiber is not particularly limited, but preferably made of polyethylene (PE) or polypropylene (PP).
  • PE polyethylene
  • PP polypropylene
  • the polyester content is 20 to 35% by weight
  • the pulp content is 60 to 70% by weight
  • the polyolefin fiber content is 3 to 5% by weight, because the tensile strength is higher and the elongation in water is lower.
  • the nonwoven fabric may contain the aforementioned glass fiber, stabilizer, binder, or the like, but needless to say, it does not have to contain them. ⁇ Tensile strength test>
  • Example 2 A tensile strength test was conducted on the following nonwoven fabric according to the present invention [Example 2] and a conventional vinyl cloth [Comparative Example 1]. [Example 2]
  • Non-woven fabric Non-woven fabric composed of 30% by weight of polyester fibers (PET and PBT), 67% by weight of pulp, and 3% of polyolefin fibers (PE and PP) [Comparative Example 1] Vinyl cloth: SP2350 (manufactured by Sangetsu Co., Ltd.)
  • the tensile strength of these sheet substrates was measured according to JIS P 8113. The results are shown in FIG. As shown in this figure, the nonwoven fabric (a1) according to the present embodiment exhibited higher tensile strength in both the longitudinal direction and transverse direction than the conventional vinyl cloth (b1). I found out.
  • the longitudinal direction refers to the longitudinal direction of the nonwoven fabric manufactured in roll form before cutting
  • the lateral direction refers to the lateral direction of the nonwoven fabric manufactured in roll form before cutting. .
  • the moisture permeability, moisture permeability coefficient and moisture permeability resistance were measured according to JIS L 1099:2012.
  • the nonwoven fabric of Example 2 had a moisture permeability of 36 g/m 2 ⁇ h, a moisture permeability coefficient of 1506.1 ng/(m 2 ⁇ s ⁇ Pa), and a moisture permeability resistance of 0.000664 (m 2 ⁇ sPa)/ng. That is, it was found that the nonwoven fabric of Example 2 exhibited high values of moisture permeability and moisture permeability coefficient, and exhibited low values of resistance to moisture permeability. ⁇ Underwater elongation test>
  • predetermined dimensions (longitudinal and transverse dimensions) of the nonwoven fabric before being immersed in water were measured.
  • Example 3 The following functional wallpaper [Example 3] and conventional wallpaper [Comparative Example 2] and [Comparative Example 3] were prepared, and each wallpaper was applied to gypsum through 711-405 (manufactured by Yayoi Chemical Industry Co., Ltd.). Board: Affixed to a 12.5 mm gypsum board (Chiyodaute Co., Ltd.). Then, each wallpaper was subjected to a moisture permeability test.
  • Non-woven fabric Non-woven fabric having the same structure as that used in Example 2
  • Water-based paint Dry weight of the water-based paint impregnated in the acrylic resin-based paint-impregnated layer: 51 ( ⁇ 5.0) to 61 ( ⁇ 5.0) g / m2
  • Vinyl cloth General vinyl cloth: SP2350 (manufactured by Sangetsu Co., Ltd.)
  • the moisture absorption amount and moisture release amount were measured according to JIS A 6901. Specifically, wallpaper was attached to a test piece (each wallpaper) having a size of 100 mm ⁇ 100 mm with a starch-based adhesive. Thereafter, the temperature was fixed at 23° C., and the humidity was adjusted from 53% ⁇ 93% ⁇ 53%. Then, each humidity state was held for 24 hours, the weight of each wallpaper was measured, and finally the moisture absorption amount and moisture release amount were calculated. The results are shown in FIG.
  • Example 3 (a2) showed higher values for both moisture absorption and moisture release than Comparative Examples 2 (b2) and 3 (b3). I found out. ⁇ Condensation test>
  • a dew condensation test was conducted on the following functional wallpaper [Example 3] and conventional wallpaper [Comparative Example 2]. Specifically, two closed rectangular parallelepiped experimental devices of 360 mm x 250 mm x 400 mm were installed in a constant space at a temperature of 25°C. As shown in FIG. 6, a window 150 made of a rectangular transparent acrylic plate is formed in the front of each experimental device 100 so that the state inside the experimental device 100 can be observed from the outside. Moreover, the wallpaper (eco-fleece) of Example 3 or the wallpaper (general vinyl cloth) of Comparative Example 2 (general vinyl cloth) 200a and 200b of 205 mm ⁇ 360 mm are respectively attached to the inner walls of the left and right sides via an adhesive. Furthermore, in the center of each experimental device 100, a 40 W light bulb 110 and a container (not shown) containing water are arranged. The frame body of each experimental device 100 is made of wood.
  • FIG. 7 shows the state of the experimental apparatus at that time. As shown in this figure, it was found that dew condensation did not occur in the experimental device to which the wallpaper of Example 2 was attached, but dew condensation occurred in the experimental device to which the wallpaper of Comparative Example 2 was attached.
  • Non-woven fabric Non-woven fabric having the same structure as that used in Example 2
  • Water-based paint Dry weight of the water-based paint impregnated in the acrylic resin-based paint-impregnated layer: 51.5 ( ⁇ 5.0) g/m 2 to 63.0 g/m 2 . 5 ( ⁇ 5.0) g/ m2
  • Example 4 the air permeability was measured according to JIS P 8117:2009, and the air permeability of Example 4 was 0.78 ⁇ m/(Pa ⁇ s).
  • the air permeability of Example 2 was 0.10 ⁇ m/(Pa ⁇ s).
  • FIG. 10 is a schematic side view of the functional wallpaper according to this embodiment. As shown in this figure, an adhesive layer 20 is provided on the other surface (lower surface) of the nonwoven fabric 10 .
  • the adhesive layer 20 may be formed by impregnating the other surface of the nonwoven fabric 10 with an adhesive, or may be applied to the other surface of the nonwoven fabric 10 with an adhesive, or may be the other surface of the nonwoven fabric 10. part of the adhesive may be impregnated in the nonwoven fabric 10 and another adhesive may be applied to the other surface of the nonwoven fabric 10 .
  • the functional wallpaper 1A can be easily attached to a building wall or the like.
  • the adhesive is not particularly limited as long as it can adhere the functional wallpaper 1A to the wall of the building or the like.
  • a starch-based adhesive containing starch as a main component is preferable, such as WALLBOND (registered trademark) 100 (manufactured by WALLBOND INDUSTRIAL CO., LTD.) and Lure Mild (registered trademark) (manufactured by Yayoi Chemical Industry Co., Ltd.). etc.
  • the ten-point average roughness (Rz) of the surface of the nonwoven fabric 10 provided with the adhesive layer is preferably 8 ⁇ m to 14 ⁇ m. If the ten-point average roughness is less than 8 ⁇ m, it is difficult for the adhesive to impregnate the nonwoven fabric 10, and the adhesive layer 20 having a sufficient thickness cannot be formed. On the other hand, if the ten-point average roughness is greater than 14 ⁇ m, the adhesive layer 20 is likely to peel off. As a result, the functional wallpaper 1A is easily peeled off from walls and the like.
  • the ten-point average roughness of the other surface of the nonwoven fabric 10 (the surface on which the adhesive layer 20 is formed) is particularly preferably 9 ⁇ m to 13 ⁇ m. The nonwoven fabric 10 having such a structure has a sufficient thickness and can easily form the adhesive layer 20 that is difficult to peel off. (Embodiment 4)
  • the functional wallpaper is configured to contain the photocatalyst material in the water-based paint, but the present invention is not limited to this.
  • an ink layer containing a pigment may be provided on the impregnation layer.
  • the ink layer is not particularly limited as long as it contains a pigment.
  • the ink layer can be formed, for example, by applying a paint such as a polymer on the impregnated layer using an ink jet printer and drying the paint. Further, the ink layer may have a single-layer structure or a multi-layer structure of two or more layers.
  • the thickness of the ink layer is not particularly limited, it is preferably in the range of 0.01 mm to 0.03 mm. If the thickness is less than 0.01 mm, sufficient color development will not occur, and if the thickness is greater than 0.03 mm, the ink layer will easily peel off.
  • the ink is not particularly limited, and solvent ink, water-based ink, latex ink, ultraviolet curing ink (UV ink), etc. can be used, but latex ink or UV ink is preferable.
  • the pigment contained in the ink is not particularly limited.
  • latex ink When latex ink is used as the ink, it is heated when applied to the functional wallpaper, and the latex ink is solidified on the surface layer (on the impregnated layer) of the functional wallpaper to form an ink layer. can be improved.
  • the UV ink when used as the ink, the UV ink is applied to the surface layer (on the impregnated layer) of the functional wallpaper, and then irradiated with ultraviolet rays to apply the UV ink to the surface layer (on the impregnated layer) of the functional wallpaper. Since the ink layer is formed by solidification, it is possible to improve the strength of the functional wallpaper in the same manner as the latex ink.
  • the thickness of the ink layer formed on the impregnation layer is more preferably 0.01 mm to 0.015 mm.
  • a laminate film or the like may be pasted on the impregnation layer.
  • the ink layer may be formed by applying an ink after applying a so-called optimizer. (Embodiment 5)
  • the functional wallpaper is configured to contain the photocatalyst material in the water-based paint, but the present invention is not limited to this.
  • a coating layer containing a photocatalyst material may be provided on the impregnation layer, or a coating layer containing a photocatalyst material may be provided on the ink layer of the fourth embodiment.
  • the thickness of the coating layer is not particularly limited, but the range of 5 ⁇ m to 15 ⁇ m is preferable because the photocatalyst function can be sufficiently exhibited without reducing air permeability and moisture permeability, and the range of 8 ⁇ m to 13 ⁇ m is preferable for air permeability and permeability. It is more preferable because the photocatalytic function can be fully exhibited without lowering the wettability.
  • the coating layer can be formed by applying a photocatalytic paint containing a photocatalytic material onto the impregnated layer and drying it.
  • the photocatalyst paint is not particularly limited, but examples thereof include photocatalytic titanium oxide (manufactured by Ishihara Sangyo Co., Ltd.), Hikari Reactor (registered trademark) (manufactured by Catalize Co., Ltd.) and Sagan Coat (Japan Photocatalyst Center Co., Ltd. Sagan Coat). . (Other embodiments)
  • the surfaces (one side, the other side) of the functional wallpaper are not embossed, but may be embossed.
  • embossing the same method as that for embossing conventional wallpaper can be used.
  • embossing the surface of the functional wallpaper By embossing the surface of the functional wallpaper, the irregularities of the base such as the wall of the building are less likely to appear on the surface of the functional wallpaper, so that the aesthetic appearance of the functional wallpaper can be improved.
  • embossing an air layer is formed between the functional wallpaper and the base material, so even if the functional wallpaper gets wet with water, etc., it will not be as strong as the functional wallpaper without embossing. and has the effect of being easy to dry.
  • Nonwoven fabric sheet base material
  • impregnation layer adhesive layer
  • experimental device light bulb 150 window 200a, 200b wallpaper

Abstract

[Problème] Fournir un papier peint fonctionnel qui a de multiples fonctions telles que la perméabilité à l'humidité (propriétés hygroscopiques / propriétés de libération d'humidité) et une aptitude à la ventilation (perméabilité à l'air), qui a une durabilité élevée et une résistance élevée, qui a une faible ductilité dans l'eau, qui est peu susceptible de subir une détérioration esthétique, et qui a une excellente ouvrabilité. [Solution] Une couche d'imprégnation 15 imprégnée d'un matériau de revêtement aqueux est disposée sur une surface d'un matériau de base en feuille 10. Le matériau de base en feuille 10 est un non-tissé contenant de 5 à 40 % en poids de fibres de polyester et de 60 à 95 % en poids de pâte de cellulose. Le poids du matériau de revêtement aqueux avec lequel la couche d'imprégnation 15 est imprégnée est de 20 à 150 g/m2 lorsqu'il est séché.
PCT/JP2022/042654 2021-12-10 2022-11-17 Papier peint fonctionnel WO2023106059A1 (fr)

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JPS58208497A (ja) * 1982-05-27 1983-12-05 株式会社　興人 樹脂加工基材用難燃含浸紙
JPH0434100A (ja) * 1990-05-22 1992-02-05 Nippon Kasei Kk 消臭壁紙
JPH0639430U (ja) * 1992-10-29 1994-05-27 特種製紙株式会社 化粧材用素材
JPH10130564A (ja) * 1996-10-29 1998-05-19 Matsui Shikiso Kagaku Kogyosho:Kk 建装材塗工用水性組成物及び該水性組成物を塗工して なる建装材
JPH10264283A (ja) * 1997-03-25 1998-10-06 Mitsubishi Paper Mills Ltd 貼り合わせ型光触媒シート
JP2002235298A (ja) * 2001-02-09 2002-08-23 Toli Corp 壁 紙
JP2004107827A (ja) * 2002-09-19 2004-04-08 Kuraray Co Ltd 壁紙
JP2005206973A (ja) * 2004-01-23 2005-08-04 Achilles Corp 紙壁紙
JP2005299017A (ja) * 2004-04-13 2005-10-27 Toppan Printing Co Ltd 壁紙
JP2006200111A (ja) * 2004-12-20 2006-08-03 Yoshio Imai 通気性壁紙およびその製造方法
KR101246736B1 (ko) * 2011-11-24 2013-03-25 주식회사 다원벽지 수성발포벽지 및 그 제조방법
JP2013151770A (ja) * 2012-01-26 2013-08-08 Mitsubishi Paper Mills Ltd 壁紙用シート
JP2015048541A (ja) * 2013-08-30 2015-03-16 三菱製紙株式会社 壁紙裏打ち用不織布
JP2016151066A (ja) * 2015-02-16 2016-08-22 王子ホールディングス株式会社 壁紙用裏打ち紙

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58208497A (ja) * 1982-05-27 1983-12-05 株式会社　興人 樹脂加工基材用難燃含浸紙
JPH0434100A (ja) * 1990-05-22 1992-02-05 Nippon Kasei Kk 消臭壁紙
JPH0639430U (ja) * 1992-10-29 1994-05-27 特種製紙株式会社 化粧材用素材
JPH10130564A (ja) * 1996-10-29 1998-05-19 Matsui Shikiso Kagaku Kogyosho:Kk 建装材塗工用水性組成物及び該水性組成物を塗工して なる建装材
JPH10264283A (ja) * 1997-03-25 1998-10-06 Mitsubishi Paper Mills Ltd 貼り合わせ型光触媒シート
JP2002235298A (ja) * 2001-02-09 2002-08-23 Toli Corp 壁 紙
JP2004107827A (ja) * 2002-09-19 2004-04-08 Kuraray Co Ltd 壁紙
JP2005206973A (ja) * 2004-01-23 2005-08-04 Achilles Corp 紙壁紙
JP2005299017A (ja) * 2004-04-13 2005-10-27 Toppan Printing Co Ltd 壁紙
JP2006200111A (ja) * 2004-12-20 2006-08-03 Yoshio Imai 通気性壁紙およびその製造方法
KR101246736B1 (ko) * 2011-11-24 2013-03-25 주식회사 다원벽지 수성발포벽지 및 그 제조방법
JP2013151770A (ja) * 2012-01-26 2013-08-08 Mitsubishi Paper Mills Ltd 壁紙用シート
JP2015048541A (ja) * 2013-08-30 2015-03-16 三菱製紙株式会社 壁紙裏打ち用不織布
JP2016151066A (ja) * 2015-02-16 2016-08-22 王子ホールディングス株式会社 壁紙用裏打ち紙

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