WO2019116174A1 - Feuille et kit pour feuille - Google Patents

Feuille et kit pour feuille Download PDF

Info

Publication number
WO2019116174A1
WO2019116174A1 PCT/IB2018/059685 IB2018059685W WO2019116174A1 WO 2019116174 A1 WO2019116174 A1 WO 2019116174A1 IB 2018059685 W IB2018059685 W IB 2018059685W WO 2019116174 A1 WO2019116174 A1 WO 2019116174A1
Authority
WO
WIPO (PCT)
Prior art keywords
sheet
hook
loop fastener
loop
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/IB2018/059685
Other languages
English (en)
Inventor
Yoshinori Araki
Yoshiyuki Matsumura
Kenji Furusho
Tatsuya Masuda
Aizoh Sakurai
Takeo Yamamoto
Tatsuya Sato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Innovative Properties Co
Original Assignee
3M Innovative Properties Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2018160656A external-priority patent/JP2019103778A/ja
Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Priority to CN201880080016.4A priority Critical patent/CN111479686A/zh
Publication of WO2019116174A1 publication Critical patent/WO2019116174A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

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    • 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
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/02—Layered products comprising a layer of natural or synthetic rubber with fibres or particles being present as additives in the layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/10—Layered products comprising a layer of natural or synthetic rubber next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B25/16—Layered products comprising a layer of natural or synthetic rubber comprising polydienes homopolymers or poly-halodienes homopolymers
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    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
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    • B32B5/08—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 characterised by structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
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Definitions

  • One aspect of the present invention relates to a sheet and a kit for a sheet.
  • Patent Document 1 describes an image graphic mating web including a major surface including an imageable surface and an opposing major surface including a nonadhesive mating surface for mating with a substrate.
  • Patent Document 1 JP 2001-512587 A
  • a sheet according to one aspect of the present invention includes: a film layer including a front face and a back face; and a fastener layer including a first hook-and-loop fastener member that is fixed on at least one part of the back face of the film layer; the first hook-and-loop fastener member including at least one of a loop material or a hook material; a thickness of the hook material being 600 pm or less; and the loop material including a nonwoven fabric or knit being capable of engaging with the hook material.
  • the sheet can be easily attached or detached.
  • attaching and detaching of a sheet can be facilitated.
  • FIG. 1 is a cross-sectional view of a sheet according to an embodiment.
  • FIG. 2 is a cross-sectional view of an example of a film layer.
  • FIG. 3 is a diagram illustrating an example of use of a sheet according to an embodiment.
  • FIG. 4 is a cross-sectional view of a sheet according to an embodiment.
  • FIG. 5 is a cross-sectional view of a graphic sheet according to a first embodiment.
  • FIG. 6 is a cross-sectional view of a graphic sheet according to a second embodiment.
  • FIG. 7 is a diagram illustrating an example of use of a projector screen according to a third embodiment.
  • FIG. 8 is a diagram illustrating an example of use of a whiteboard sheet according to a fourth embodiment.
  • FIG. 9 is a diagram illustrating an example of use of a sheet for sticky notes according to a fifth embodiment.
  • FIG. 10 is a diagram illustrating an example of use of a graphic sheet according to a sixth embodiment.
  • FIG. 11 is a diagram illustrating an example of use of a cover according to a seventh embodiment.
  • FIG. 12 is a cross-sectional view illustrating an example of use of a cover according to the seventh embodiment.
  • FIG. 13 is a cross-sectional view of a kit for a sheet according to an eighth embodiment.
  • FIG. 14 is a diagram illustrating an example of use of a kit for a sheet according to the eighth embodiment.
  • a sheet described in the present disclosure includes: a film layer including a front face and a back face; and a fastener layer including a first hook-and-loop fastener member that is fixed on at least one part of the back face of the film layer; the first hook-and-loop fastener member including at least one of a loop material or a hook material; a thickness of the hook material being 600 pm or less; and the loop material including a nonwoven fabric or knit being capable of engaging with the hook material.
  • the sheet can be easily attached or detached because a hook-and-loop fastener member is provided.
  • the thickness of the hook material is thin and is 600 pm or less, and a nonwoven fabric or knit being capable of engaging with the hook material may be used as the loop material. Therefore, a hook-and-loop fastener member that is light weighted, that can be easily carried, and that can be flexibly transformed can be obtained.
  • the thickness of the engaging portion of the hook-and-loop fastener member can be made relatively small, the bulkiness of the sheet after the sheet has been fixed on a supporting surface can be suppressed. Therefore, excellent attachment of the sheet with which the appearance is natural can be achieved.
  • the sheet is not limited as shown by various embodiments described below.
  • the sheet may be used as a graphic sheet, a projector screen, a whiteboard sheet, a sheet for sticky notes, or a decorative sheet for interior and exterior for building.
  • a sheet 1 may be adhered to any tangible object.
  • “adhering a sheet” and“attaching a sheet” both indicate fixing the sheet on any tangible object.
  • the entire sheet 1 may be supported by the tangible object, or at least one part of the sheet 1 may be supported by the tangible object. Therefore, the sheet 1 may be adhered to the tangible object in a manner that the sheet 1 is hung down from the tangible object.
  • the duration for which the sheet 1 is adhered is not limited, and the duration may be a short or long period of time.
  • FIG. 1 is a cross-sectional view of a sheet 1 according to an embodiment.
  • the sheet 1 includes a film layer 2, a fastener layer 12, and an adhesive layer 13.
  • the film layer 2 and the fastener layer 12 are joined through the adhesive layer 13.
  • the film layer 2 is a sheet-like member having a front face 2a and a back face 2b.
  • the properties of the film layer 2 are not limited.
  • the structure, material, and function of the film layer 2 may be discretionary designed depending on the use of the sheet.
  • the film layer 2 may be transparent or opaque or may be colored.
  • the film layer 2 may have recesses and protrusions formed by emboss finishing or deboss finishing.
  • the film layer 2 may be a single layer, or may be a laminate of a plurality of layers.
  • the film layer 2 may include a thin supporting layer.
  • FIG. 2 is a cross-sectional view of an example of a film layer 2 formed from a plurality of layers.
  • the film layer 2 includes a film 111 forming a surface, a supporting layer 112, and an adhesive layer 113.
  • the film 111 and the supporting layer 112 are joined through the adhesive layer 113.
  • the material of the supporting layer 112 is not limited.
  • the smoothness of the surface of the film layer 2 can be maintained even during the printing using a solvent ink while the film 2 is reinforced.
  • the lower limit of the thickness of the supporting layer 112 may be 25 pm, 35 pm, or 38 pm, and the upper limit thereof may be 100 pm, 80 pm, or 60 pm.
  • the material of the adhesive layer 113 is not limited, and for example, a pressure-sensitive adhesive or a heat- sensitive adhesive may be used as the adhesive layer 113.
  • the structure of the adhesive layer 113 may be the same as or different from an adhesive layer 13 described below.
  • the thickness of the film layer 2 is not limited.
  • the thickness of the film layer 2 can be changed depending on the use of the sheet.
  • the lower limit of the thickness of the film layer 2 may be 0.05 mm
  • the upper limit of the thickness may be, for example, 0.4 mm, 0.35 mm, 0.3 mm, or 0.2 mm.
  • the thickness of the film layer 2 may be determined taking into consideration ease of handling of the sheet 1 or the film layer 2.
  • the fastener layer 12 is a sheet-like member to adhere the sheet 1 on any tangible object.
  • the fastener layer 12 includes a first hook-and-loop fastener member.
  • the sheet 1 is adhered to a tangible object by allowing this first hook-and-loop fastener member to engage with a second hook-and-loop fastener member that is fixed on the tangible object.
  • the specific structure of the first hook-and-loop fastener member is not limited.
  • the first hook-and-loop fastener member may be a loop material, that is, a female member.
  • the second hook-and-loop fastener member may be a hook material, that is, a male member.
  • the first hook-and-loop fastener member may be a hook material, and in this case, the second hook-and-loop fastener member may be a loop material.
  • the first and second hook- and-loop fastener members may be the Dual Lock (trade name) fastener, and in this case, both of the first and second hook-and-loop fastener members may be mushroom-shaped hook materials.
  • both the first and second hook-and-loop fastener members may include both a hook material and a loop material on the same plane.
  • the fastener layer 12 includes a loop material 21 as a first hook-and-loop fastener member.
  • the loop material 21 may include a base 2 la and a loop layer 2 lb formed on a first face of the base 2 la as illustrated in FIG. 1.
  • the loop material 21 may be consisted only of the loop layer 2 lb, like a nonwoven fabric.
  • the loop material 21 may include a knit or a nonwoven fabric that is easily engaged with the hook material.
  • the lower limit of the thickness of the base 2 la may be 5 pm, 10 pm, 15 pm, or 20 pm, from the perspective of achieving excellent engaging strength while excellent mechanical strength is maintained.
  • the upper limit of the thickness thereof may be 100 pm, 85 pm, 70 pm, or 55 pm, from the perspective of achieving lower cost and flexibility.
  • the lower limit of the thickness of the loop layer 2lb may be 0.5 mm, 1.0 mm, or 1.5 mm or greater, from the perspective of achieving excellent engaging strength and achieving durability thereof during repeated attaching and detaching while excellent mechanical strength is maintained.
  • the upper limit of the thickness thereof may be 20 mm, 10 mm, or 2.0 mm, from the perspective of achieving lower cost and excellent flexibility.
  • the lower limit of the basis weight of the loop material 21 may be, for example, 10 g/m 2 , 15 g/m 2 , or 17 g/m 2
  • the upper limit thereof may be, for example, 80 g/m 2 , 50 g/m 2 , 30 g/m 2 , 25 g/m 2 , or 22 g/m 2
  • This basis weight may be determined based on various perspectives such as maintenance of engaging force with the second hook-and-loop fastener member, ease in detaching from the second hook-and-loop fastener member, and production cost.
  • the density of stitch may be 1 stitch/ 1 mm.
  • the fibrous material used to produce the loop material 21 may be a single filament strand, a multifilament strand, or a combination thereof. Note that the multifilament strand can be obtained by, for example, producing a single thread by winding two or more strands together.
  • the height of the looped pile is not limited; however, for example, the lower limit of the height thereof may be 0.5 mm, and the upper limit may be 0.8 mm or 0.7 mm.
  • the height of the looped pile is a dimension measured from the first face of the base 2 la to the apex of the loop. This height of the looped pile may be determined based on various perspectives such as maintenance of engaging force with the second hook-and-loop fastener member and ease in detaching from the second hook-and-loop fastener member.
  • the material of the knit is not limited and, for example, may be at least one type selected from the group consisting of poly(tetrafluoroethylene) (PTFE, such as TEFLON (trade name)), aramid (e.g. KEVLAR (trade name)), polyester, polypropylene, and nylon.
  • PTFE poly(tetrafluoroethylene)
  • aramid e.g. KEVLAR (trade name)
  • polyester e.g. KEVLAR (trade name)
  • nylon polypropylene
  • the elastomer coating composition contains at least one elastomer polymer dissolved in at least one solvent.
  • Representative examples of the elastomer polymer include KRATON (trade name) polymers (e.g. styrene), urethanes, acrylics, silicones, olefins, and copolymers, block copolymers, and other combinations thereof.
  • the nonwoven fabric may be a short fiber nonwoven fabric or a long fiber nonwoven fabric.
  • The“short fiber nonwoven fabric” purports to be a nonwoven fabric in which at least a major portion (greater than 50 mass % of the constituent fibers) are configured by staples (in other words, short fibers), and is different from nonwoven fabric configured by filaments (in other words, long fibers).
  • the short fiber nonwoven fabric includes carded nonwoven fabric, air-laid nonwoven fabric, wet-laid nonwoven fabric, and the like.
  • the long fiber nonwoven fabric generally includes spun bond nonwoven fabric and the like.
  • the staples generally may have a fiber length of several hundred mm or less; however, the length is not limited to this.
  • the nonwoven fabric may have air permeability.
  • the nonwoven fabric include natural fibers and synthetic fibers formed by a publicly known production method, such as spunbond (SB), meltblow (MB), spunbond meltblown spunbond (SMS), and spunlace.
  • the material of the nonwoven fabric include at least one type selected from the group consisting of nylon, polyester, polypropylene, polyurethane, ethylene-vinyl acetate (EVA), polyethylene, polyamide, polylactic acid, rayon, fibers of copolymers or mixtures thereof, and natural fibers. From the perspective of preventing breakage (e.g.
  • the loop layer 2 lb may include polyamide with high strength.
  • the base 2 la and/or the loop layer 2 lb may include polyethylene, polypropylene, polyester, or the like.
  • the engaging face of the loop material 21 may have a region including no loop.
  • the region including no loop is referred to as“loop-free region”.
  • the method of forming the loop-free region is not limited and, for example, may employ heat sealing.
  • “heat sealing” indicates, for example, partial suppression of standing of the loop by heat sealing and/or hot pressing by using a heating roller or the like.
  • the ratio of the area of the loop-free region relative to the total area of the loop material 21 may be determined based on various perspectives such as maintenance of engaging force with the second hook-and-loop fastener member, ease in detaching from the second hook-and-loop fastener member, and production cost.
  • the lower limit of the ratio thereof may be 5%, 10%, 15%, 20%, 25%, or 30, and the upper limit thereof may be 50%, 45%, 40%, 35%, or 30%.
  • the shape and the arrangement of the loop-free region are not limited.
  • the loop-free region may be arranged in a form of a plurality of lines extended in parallel with each other, may be arranged in a lattice-like form, may be scattered regularly or irregularly, or may be randomly arranged.
  • the adhesive layer 13 is a layer that joins the film layer 2 and the fastener layer 12.
  • the adhesive layer 13 is provided on at least one part of the back face 2b of the film layer 2, and by fixing the fastener layer 12 to the back face 2b by this adhesive layer 13, a sheet 1 in which the film layer 2 and the fastener layer 12 are incorporated is formed.
  • the adhesive layer 13 may be provided at least one part of the back face 2b of the film layer 2, and in this case, the adhesive layer 13 may be provided at one or a plurality of positions on the back face 2b.
  • the fastener layer 12 may be provided at a part of the back face 2b and, for example, may be provided at a part or the entirety of the peripheral edge. Alternatively, the fastener layer 12 may be provided on the entirety of the back face 2b.
  • the adhesive layer 13 may be provided on the entirety of the back face 2b of the film layer 2, and in this case, the fastener layer 12 is provided on the entirety of the back face 2b.
  • the material of the adhesive layer 13 is not limited.
  • a pressure-sensitive adhesive or a heat-sensitive adhesive may be used as the adhesive layer 13.
  • the pressure-sensitive adhesive used in the adhesive layer 13 examples include acrylic-based pressure-sensitive adhesives.
  • the acrylic-based pressure-sensitive adhesive contains at least one type of adhesive acrylic-based polymer selected from the group consisting of adhesive acrylic-based homopolymers and copolymers.
  • the acrylic-based pressure-sensitive adhesive contains an adhesive homopolymer of a monomer selected from the group consisting of methyl acrylate, butyl acrylate, isoamyl acrylate, isooctyl acrylate, 2- ethylhexyl acrylate, acrylic acid, methacrylic acid, acrylamide, methacrylamide, acrylonitrile, and ethacrylonitrile, or an adhesive copolymer of two or more of these monomers.
  • the adhesive homopolymer and copolymer can be obtained by polymerizing the above monomers or a mixture of the above monomers by an ordinary radical polymerization method such as solution polymerization, suspension polymerization, emulsion polymerization, or bulk polymerization.
  • polymerization initiator examples include organic peroxides, such as benzoyl peroxide, lauroyl peroxide, and bis(4-tert-butylcyclohexyl) peroxydicarbonate, and azo-based polymerization initiators, such as 2,2'-azobisisobutyronitrile, 2,2'-azobis(2- methylbutyronitrile), dimethyl-2, 2-azobis(2-methylpropionate), 4,4'-azobis(4-cyanovaleric acid), dimethyl 2,2'-azobis(2-methylpropionate), and azobis(2,4-dimethylvaleronitrile) (AYN).
  • organic peroxides such as benzoyl peroxide, lauroyl peroxide, and bis(4-tert-butylcyclohexyl) peroxydicarbonate
  • azo-based polymerization initiators such as 2,2'-azobisisobutyronitrile, 2,2'-azobis(2- methylbutyronit
  • the lower limit of the weight average molecular weight of the adhesive homopolymer or copolymer may be approximately 200000 or approximately 400000, and the upper limit thereof may be approximately 1000000 or approximately 700000.
  • the weight average molecular weight of the adhesive homopolymer or copolymer is determined by using standard polystyrene by gel permeation chromatography (GPC).
  • the adhesive acrylic-based polymer may be crosslinked by a crosslinking agent.
  • crosslinking agent examples include isocyanate compounds, melamine compounds, poly(meth)acrylate compounds, epoxy compounds, amide compounds, and bisamide compounds, and bisaziridine derivatives of a dibasic acid, such as l, l '-isophthaloyl-bis(2- methylaziridine).
  • an isocyanate compound e.g. hexamethylene diisocyanate
  • a bisamide compound e.g. l, l '-isophthaloyl-bis(2- methylaziridine)
  • the added amount of the crosslinking agent also depends on the type of the crosslinking agent; however, the added amount of the crosslinking agent is typically from 0.1 parts by mass to 10 parts by mass per 100 parts by mass of the acrylic-based pressure- sensitive adhesive.
  • a smaller thickness of the adhesive layer 13 is advantageous for nonflammability, and a larger thickness of the adhesive layer 13 increases adhesive strength.
  • the lower limit of the thickness of the adhesive layer 13 may be, for example, 10 pm or 20 pm, and the upper limit thereof may be 200 pm or 100 pm.
  • the fastener layer 12 of the sheet 1 includes the loop material 21 as the first hook-and- loop fastener member.
  • the hook material 22 is fixed as the second hook-and-loop fastener member corresponding to this fastener layer 12 (loop material 21).
  • the place where the second hook-and-loop fastener member on the supporting surface 90 is fixed is not limited.
  • the hook material 22 may be provided only at a part of the shape and the area that correspond to the sheet 1 and, for example, the hook material 22 may be only provided at the position corresponding to a part or the entirety of the peripheral edge of the sheet 1. Alternatively, the hook material 22 may be provided on the entirety of the shape and the area that correspond to the sheet 1.
  • the shape and the area of the first hook-and- loop fastener (loop material 21) of the sheet 1 may not be identical to the shape and the area of the second hook-and-loop fastener (hook material 22) on the supporting surface 90. Therefore, when the sheet 1 is adhered to the supporting surface 90, it is not necessary for a part of the first hook-and-loop fastener (loop material 21) to be engaged with the second hook-and-loop fastener (hook material 22). Furthermore, at the time of the adhering, it is not necessary for a part of the second hook-and-loop fastener (hook material 22) and the first hook-and-loop fastener (loop material 21) to be engaged. Note that, although it is not illustrated in FIG. 1, the hook material 22 may be fixed on the supporting surface 90 by an adhesive layer or the like.
  • the sheet 1 that is adhered to the supporting surface 90 can be easily detached, and furthermore, the detached sheet 1 can be adhered to the supporting surface 90 again. That is, as shown by the arrow A in FIG. 1, the sheet 1 can be freely attached and detached.
  • the second hook- and-loop fastener member hook material 22
  • the sheet 1 that has been adhered to a tangible object is detached, the sheet 1 can be adhered to another tangible object or can be adhered again to the same place later. In other words, the sheet 1 can be reused without impairing the quality of the sheet 1.
  • the 90° peeling adhesive strength is a strength measured at the time when the second hook-and-loop fastener member is detached from the sheet 1 and, for example, can be measured by the method stipulated in JIS Z 0237.
  • the lower limit of the 90° peeling adhesive strength may be, for example, 0.5 N/25.4 mm or 1.0 N/25.4 mm.
  • the upper limit of the 90° peeling adhesive strength may be, for example, 8 N/25.4 mm, 6 N/25.4 mm, 4 N/25.4 mm, or 2 N/25.4 mm.
  • FIG. 4 is a cross-sectional view of a sheet 1A according to an embodiment.
  • the sheet 1A includes a film layer 2, a fastener layer 12A, and an adhesive layer 13.
  • the film layer 2 and the fastener layer 12A are joined through the adhesive layer 13.
  • the sheet 1A is different from the sheet 1 in that the first hook-and-loop fastener member does not include a loop material but include a hook material.
  • the fastener layer 12A which is different from the sheet 1 is, in particular, described below.
  • the fastener layer 12A is a sheet-like member to adhere the sheet 1 A to any tangible object, and includes a hook material 22 as the first hook-and-loop fastener member.
  • the fastener layer 12A may be provided on a part of the back face 2b of the film layer 2 or may be provided on the entirety of the back face 2b.
  • the loop material 21 as the second hook-and-loop fastener member corresponding to the fastener layer 12A (hook material 22) is fixed on the supporting surface 90 of the tangible object.
  • the place, where the second hook-and-loop fastener member on the supporting surface 90 is fixed, can be discretionary chosen, which is the same in the case of the sheet 1.
  • the shape and the area of the first hook-and-loop fastener (hook material 22) of the sheet 1A may not be identical to the shape and the area of the second hook-and-loop fastener (loop material 21) on the supporting surface 90. Therefore, when the sheet 1A is adhered to the supporting surface 90, it is not necessary for a part of the first hook-and-loop fastener (hook material 22) to be engaged with the second hook-and-loop fastener (loop material 21).
  • the sheet 1A can be freely attached and detached.
  • the loop material 21 may be fixed on the supporting surface 90 by an adhesive layer or the like.
  • the material of the hook material 22 is not limited.
  • the material is a thermoplastic resin and, specifically, may be a polypropylene resin (PP), a polyethylene resin (PE), a vinyl chloride resin (PVC), an ethyl -methyl -methacrylate resin (EMMA), an ethyl- acrylate resin (EA), an ethylene-vinyl acetate copolymer (EVA) resin, a mixture of two or more types of these (e.g.
  • PE polypropylene resin
  • PE polyethylene resin
  • EMMA ethyl-methyl-methacrylate resin
  • EA ethyl-acrylate resin
  • EVA ethylene -vinyl acetate copolymer
  • PE ethylene-vinyl acetate copolymer
  • PE low density polyethylene
  • HDPE high density polyethylene
  • LLDPE linear low density polyethylene
  • LLDPE linear low density polyethylene
  • the hook material 22 includes a base 22a and a plurality of hooks 22b provided on the first face of the base 22a.
  • the face on which the hooks 22b exist is the engaging face of the hook material 22.
  • the shape of the hook 22b is not limited as long as the engaging force is satisfied, and examples thereof include a mushroom shape, a hook shape, a T-shape, or a J-shape.
  • the dimension of the hook material 22 may be determined based on various perspectives such as reduction in the weight of the sheet, maintenance of engaging force with the second hook-and-loop fastener member, ease in detaching from the second hook-and-loop fastener member, and production cost.
  • the lower limit of the thickness of the hook material 22 may be 60 pm, 90 pm, or 115 pm, and the upper limit thereof may be 600 pm, 550 pm, 500 pm, 350 pm, 320 pm, or 300 pm.
  • the bulkiness of the sheet 1A fixed on the supporting surface 90 can be suppressed by such reduction of thickness of the hook material 22.
  • the hook material 22 is used as the first hook-and-loop fastener member, the sheet 1A is thin and light. Therefore, flexibility of the sheet 1A can be ensured, and portability and handleability of the sheet 1A can be further enhanced.
  • the lower limit of the thickness of the base 22a may be 20 pm, 30 pm, or 35 pm, and the upper limit of the thickness may be 100 pm, 80 pm, 70 pm, or 60 pm.
  • the lower limit of the height of the hook 22b may be 40 pm, 60 pm, or 80 pm, and the upper limit of the height thereof may be 500 pm, 400 pm, 300 pm, 280 pm, or 260 pm.
  • the maximum width and the minimum width of the stem portion are not limited.
  • the lower limit of the maximum width of the stem portion may be 70 pm or 100 pm, and the upper limit thereof may be 250 pm, 200 pm, or 190 pm.
  • the lower limit of the minimum width of the stem portion may be 50 pm or 80 pm, and the upper limit thereof may be 210 pm, 200 pm, 195 pm, or 185 pm.
  • the maximum width of the umbrella portion (cap) is not limited.
  • the lower limit thereof may be 70 pm, 100 pm, or 200 mih, and the upper limit thereof may be 500 pm, 450 pm, 400 pm, 350 pm, or 300 pm.
  • the lower limit of the protrusion of the umbrella portion from the tip of the stem portion may be 5 pm or 10 pm, and the upper limit thereof may be 90 pm, 85 pm, 80 pm, or 75 pm.
  • the engaging face of the hook material 22 may have a region including no hook 22b.
  • the region including no hook is referred to as“hook-free region”.
  • the ratio of the area of the hook-free region relative to the total area of the hook material 22 may be determined based on various perspectives such as maintenance of engaging force with the second hook-and- loop fastener member, ease in detaching from the second hook-and-loop fastener member, and production cost.
  • the lower limit of the ratio thereof may be 5%, 10%, 15%, 20%, 25%, or 30, and the upper limit thereof may be 50%, 45%, 40%, 35%, or 30%.
  • the shape and the arrangement of the hook-free region are not limited.
  • the hook-free region may be arranged in a form of a plurality of lines extended in parallel with each other, may be arranged in a lattice-like form, may be scattered regularly or irregularly, or may be randomly arranged.
  • the numerical range (the upper limit and the lower limit) of the 90° peeling adhesive strength for the sheet 1A may be set similarly to that of the sheet 1.
  • the dimension of the hook material 22 can be determined similarly to the case of the sheet 1A.
  • the dimension of the hook material 22 may be determined taking into consideration maintenance of engaging force between the first and second hook-and-loop fastener members, ease in detaching of the sheet 1A from the second hook-and-loop fastener member, or production cost.
  • the lower limit of the thickness of the hook material 22 may be 60 pm, 90 pm, or 115 pm, and the upper limit thereof may be 600 pm, 550 pm, 500 pm, 350 pm, or 320 pm.
  • the lower limit of the thickness of the base of the hook material 22 may be 20 pm, 30 pm, or 35 pm, and the upper limit of the thickness may be 100 pm, 80 pm, 70 pm, or 60 pm.
  • the lower limit of height of each hook may be 40 pm, 60 pm, or 80 pm, and the upper limit of the height thereof may be 500 pm, 400 pm, 300 pm, 280 pm, or 260 pm.
  • each of the sheets 1 and 1A may be provided alone, or may be provided together with the second hook- and-loop fastener member as a kit for a sheet.
  • the kit for a sheet is an article including at least the sheet 1 and the second hook-and-loop fastener member or an article including at least the sheet 1A and the second hook-and-loop fastener member.
  • the sheets 1 and 1A can be used for various use.
  • the sheets according to the present disclosure are described further in detail below by using some embodiments as examples.
  • the sheet according to an embodiment of the present disclosure is employed in a graphic sheet.
  • the structure of the graphic sheet 10 is described with reference to FIG. 5.
  • FIG. 5 is a cross-sectional view of the graphic sheet 10.
  • the graphic sheet 10 is a print media for visually showing a graphic, which is any visual expression, to people.
  • the content of the graphic is not limited, and examples thereof include characters, symbols, diagrams, illustrations, pictures, or combinations of two or more elements selected from these.
  • the purpose of the graphic is also not limited, and examples thereof include advertisement, entertainment, art, education, warning, caution, or combinations of two or more purposes selected from these.
  • the graphic sheet 10 includes a printing film layer 11, a fastener layer 12, and an adhesive layer 13.
  • FIG. 5 schematically illustrates a graphic pattern (printed layer) 80 printed on the printing film layer 11.
  • the printing film layer 11 is a sheet-like member having a printing face l la on which the graphic pattern 80 is printed.
  • the printing film layer 11 is an example of the film layer 2, and the printing face l la is an example of the front face 2a.
  • the back face l lb of the printing film layer 11 is an example of the back face 2b.
  • the material contained in the printing film layer 11 is not limited.
  • Example of a film that can be used include a film containing an acrylic resin that includes polymethyl methacrylate (PMMA), polyurethane (PU), polyvinyl chloride (PVC), polycarbonate (PC), polyolefin such as polyethylene (PE) and polypropylene (PP), polyester such as polyethylene terephthalate (PET) and polyethylene naphthalate, a fluororesin, and a copolymer such as an ethylene-vinyl acetate copolymer (EVA), an ethylene-acrylic acid copolymer, an ethylene -ethyl acrylate copolymer, an ethylene-vinyl acetate copolymer, an acrylonitrile-butadiene rubber (NBR), or an acrylonitrile-butadiene-styrene copolymer (ABS), or a mixture thereof.
  • PMMA polymethyl methacrylate
  • PU polyurethane
  • PVC polyvinyl chloride
  • PC poly
  • a film containing polyurethane, polyvinyl chloride, polyethylene terephthalate, an acrylonitrile-butadiene-styrene copolymer, or polycarbonate can be used as the printing film layer 11.
  • the printing film layer 11 can function as a receptor layer of the printing ink and/or as a protective layer to protect the substrate surface from puncture, impact, and the like from the outside.
  • the printing film layer 11 may be a film containing polyvinyl chloride or polyurethane from the perspectives of printability, solvent resistance (e.g. alcohol resistance), and the like.
  • the printing film layer 11 may contain polyvinyl chloride.
  • the printing film layer 11 may be transparent or opaque or may be colored. In an embodiment, the printing film layer 11 may be colored white from the perspectives of color development and vividness of the image produced by the printed layer arranged directly or indirectly on the printing film layer.
  • the printing film layer 11 may be a single layer, or may be a laminate of a plurality of layers. When the printing film layer 11 includes a plurality of layers, the printing film layer 11 may have a structure illustrated in FIG. 2, that is, a structure including a supporting layer.
  • the printing film layer 11 may also contain strengthening agents such as plasticizers, fillers, and glass fibers, pigments such as zinc oxide and titanium oxide, and additives such as antioxidants, UV absorbents, heat stabilizers, and nonflammable additives.
  • the printing film layer 11 may include a brightening layer.
  • the printing film layer 11 may also contain a metal thin film containing a metal such as aluminum, nickel, gold, platinum, chromium, iron, copper, tin, indium, silver, titanium, lead, zinc, or germanium, or alloys or compounds thereof, formed by vacuum deposition, sputtering, ion plating, plating, or the like.
  • the printing film layer 11 may include a surface-protecting layer that covers the printing face l la.
  • the surface-protecting layer may be formed by laminating a film of resin, such as polyester such as polyethylene terephthalate (PET), polyvinyl chloride, polyimide, polyurethane, acrylic resin, epoxy resin, or fluororesin on the printing face l la directly or via a bonding layer, or by applying a resin composition onto the printing face l la and drying. Luster finishing or matte finishing may be implemented on the surface-protecting layer, according to the intended application.
  • PET polyethylene terephthalate
  • PET polyvinyl chloride
  • polyimide polyimide
  • polyurethane acrylic resin
  • epoxy resin epoxy resin
  • fluororesin fluororesin
  • the printing film layer 11 may have recesses and protrusions formed by emboss finishing or deboss finishing.
  • the pattern or design of the recesses and protrusions may be regular or irregular, and is not particularly limited, and examples thereof include parallel lines, wood grain, grainy, pebbled, cloth grain, pearskin, leather dyed pattern, matte, hairlines, spins, characters, symbols, and geometric forms.
  • the thickness of the printing film layer 11 is not limited.
  • the lower limit of the thickness thereof may be 0.05 mm
  • the upper limit of the thickness may be, for example, 0.4 mm, 0.35 mm, 0.3 mm, or 0.2 mm.
  • the thickness of the printing film layer 11 may be determined taking into consideration ease of handling of the graphic sheet 10 or the printing film layer 11.
  • the graphic pattern 80 can be formed on the printing face l la by using a colorant, such as toner or ink.
  • a colorant such as toner or ink.
  • the technique and apparatus to print the graphic pattern 80 are not limited, and examples thereof include inkjet printing, gravure printing, electrostatic printing, screen printing, or offset printing.
  • solvent-based ink or UV curable ink can be used as the printing ink.
  • Various thicknesses of the printed layer may be employed. When solvent-based ink is used, typically, the lower limit of the thickness may be approximately 1 pm or approximately 2 pm, and the upper limit of the thickness may be approximately 10 pm or approximately 5 pm.
  • UV curable ink the lower limit of the thickness may be approximately 1 pm or approximately 5 pm, and the upper limit of the thickness may be approximately 50 pm or approximately 30 pm.
  • the structures of the fastener layer 12 and the adhesive layer 13 are the same as those in the sheet 1.
  • the graphic sheet 10 can be adhered to a place for posting the graphic pattern 80.
  • the“place for posting” is an example of the tangible object to which the sheet is adhered.
  • the printed graphic sheet 10 may be adhered to a surface of any tangible object indoors or outdoors and, for example, may be adhered to a surface of external walls, internal walls, ceilings, floors, pillars, glass, bulletin boards, or other structures.
  • the duration for which the graphic sheet 10 is posted is not limited, and the duration may be a short or long period of time.
  • the place where the second hook-and-loop fastener member on the supporting surface 90 is fixed is not limited.
  • the shape and the area of each of the first hook-and-loop fastener (loop material 21) and the second hook-and-loop fastener (hook material 22) are not limited.
  • the positional relationship of the first hook-and- loop fastener (loop material 21) and the second hook-and-loop fastener (hook material 22) is not limited.
  • the graphic sheet 10 can be freely attached and detached.
  • the 90° peeling adhesive strength (90° peel strength) of the graphic sheet 10 is set similarly to those of the sheets 1 and 1A.
  • the method of providing the graphic sheet 10 is not limited.
  • the graphic sheet 10 may be provided alone, or may be provided together with the second hook-and-loop fastener member (hook material 22) as a graphic kit.
  • the graphic kit is an article including at least the graphic sheet 10 and the second hook-and-loop fastener member (hook material 22).
  • FIG. 6 is a cross-sectional view of the graphic sheet 10A.
  • the graphic sheet 10A is different from the graphic sheet 10 according to the first embodiment in that the graphic sheet 10A does not include a loop material but includes a hook material as a first hook- and-loop fastener member.
  • the graphic sheet 10A includes a printing film layer 11, a fastener layer 12A, and an adhesive layer 13.
  • FIG. 6 schematically illustrates a graphic pattern 80 printed on a printing face 1 la of the printing film layer 11.
  • the structures of the fastener layer 12A and the adhesive layer 13 are the same as those in the sheet 1A.
  • the shape and the area of each of the first hook- and-loop fastener (hook material 22) and the second hook-and-loop fastener (loop material 21) are not limited.
  • the positional relationship of the first hook-and-loop fastener (hook material 22) and the second hook-and-loop fastener (loop material 21) is not limited.
  • the graphic sheet 10A can be freely attached and detached.
  • the 90° peeling adhesive strength of the graphic sheet 10A is set similarly to those of the sheets 1 and 1A.
  • the method of providing the graphic sheet 10A is not limited.
  • the graphic sheet 10A may be provided alone.
  • a graphic kit including at least the graphic sheet 10A and the second hook-and-loop fastener member (loop material 21) may be provided.
  • FIG. 7 is a diagram illustrating an example of use of a projector screen 31 according to the present embodiment.
  • the projector screen 31 is an article onto which an image from a projector 200 is projected.
  • the image projected onto the projector screen 31 may be an animated or still image.
  • the content of the image is not limited.
  • the projector screen 31 has the same structure as that of the sheet 1 or the sheet 1A and is adhered to a supporting surface 90.
  • the film layer 2 may include a white PVC film in which the surface has been subjected to matte treatment, and a supporting layer that is to support this PVC film and that is formed from PET.
  • a Scotchcal (trade name) film available from 3M, may be used.
  • the structure of the film layer 2 is, of course, not limited as described above as long as it is a film having light reflection characteristics or the like to function as the projector screen 31.
  • the image irradiated from the projector 200 is projected on a surface 2a of the film layer 2.
  • FIG. 8 is a diagram illustrating an example of use of a whiteboard sheet 32 according to the present embodiment.
  • the whiteboard sheet 32 is an article on which writing by a writing instrument such as a marker can be recorded. The writing written on the whiteboard sheet 32 can be erased.
  • the whiteboard sheet 32 has the same structure as that of the sheet 1 or the sheet 1A and is adhered to a supporting surface 90.
  • the film layer 2 examples include whiteboard films PWF-500 and WH-200, available from 3M; however, as described above, the structure of the film layer 2 is not limited as long as it is a film having writability, erasability, and antiglare properties that allow the use as a whiteboard sheet 32.
  • the writing is recorded on a surface 2a of the film layer 2.
  • FIG. 9 is a diagram illustrating an example of use of a sheet for sticky notes 33.
  • the sheet for sticky notes 33 is an article to put up sticky notes.
  • the sheet for sticky notes 33 has the same structure as that of the sheet 1 or the sheet 1A and is adhered to a supporting surface 90.
  • Examples of the film layer 2 include the Scotchcal (trade name) graphic film IJ1220N, available from 3M; however, as described above, the structure of the film layer 2 is not limited as long as it is a film to which sticky notes, such as various Post-it (trade name) notes, available from 3M, can be adhered.
  • a surface 2a of the film layer 2 functions as a surface to put up sticky notes.
  • the sheet according to an embodiment of the present disclosure may have both functions of the whiteboard sheet 32 and the sheet for sticky notes 33. That is, one piece of the sheet 1 or the sheet 1A may be used to perform both the recording of writing by a writing instrument and the posting of sticky notes.
  • FIG. 10 is a diagram illustrating an example of use of a graphic sheet 10.
  • the supporting surface 90 is fabric constituting clothing 220.
  • the hook material 22 that functions as the second hook-and-loop fastener member is fixed onto the supporting surface 90, i.e. clothes or fabric, by being sewn.
  • the graphic sheet 10 is adhered to the hook material 22.
  • the graphic sheet 10 functions as a race bib; however, the function of the graphic sheet 10 is not limited.
  • the film layer 2 include the Scotchlite (trade name) reflective graphic film 780mC-l0R, available from 3M; however, as described above, the structure of the film layer 2 is not limited to this.
  • the sheet according to an embodiment of the present disclosure By attaching the sheet according to an embodiment of the present disclosure to clothes or fabric in a manner that the sheet can be attached and detached, the sheet can be easier attached and detached compared to the case where a safety pin is used. Furthermore, since a safety pin is not used, deterioration in comfort when the clothing is worn can be avoided. Furthermore, by using the sheet according to an embodiment of the present disclosure, the sheet adhered to the fabric can be reused.
  • FIG. 10 illustrates a graphic sheet 10
  • a graphic sheet 10A may be used.
  • the sheet according to an embodiment of the present disclosure is employed in a decorative sheet for interior and exterior 34 which is a decorative sheet that can be used in at least one of interior or exterior of buildings.
  • This decorative sheet for interior and exterior 34 can be used as a sheet to decorate at least one of surfaces of inside and outside of buildings.
  • the decorative sheet for interior and exterior 34 can function as a cover to hide at least one part of recesses and protrusions formed on an interior or exterior decoration.
  • FIG. 11 is a diagram illustrating an example in which the decorative sheet for interior and exterior 34 is used as a cover.
  • the supporting surface 90 has a recess portion 91 and a protruding portion 92.
  • the decorative sheet for interior and exterior 34 has the same structure as that of the sheet 1 or the sheet 1A and is adhered to a supporting surface 90, such as a wall.
  • the decorative sheet for interior and exterior 34 may have a size that is necessary to cover the recess portion 91 or the protruding portion 92.
  • the recess portion 91 and the protruding portion 92 can be hidden by fixing the second hook-and-loop fastener member at least one part of the peripheral edge portion of the recess portion 91 and the protruding portion 92, adhering the decorative sheet for interior and exterior 34 onto the second hook-and-loop fastener member.
  • the film layer 2 of the decorative sheet for interior and exterior examples include the DI-NOC (trade name) film, available from 3M; however, the structure of the film layer 2 is not limited thereto.
  • the film layer 2 may be a decorative film formed by subjecting a vinyl chloride-based resin layer or an olefin-based resin layer to decorative printing by screen printing or gravure printing and then subjecting the surface to emboss finishing or the like.
  • FIG. 12 is a diagram illustrating the hiding of the recess portion 91 and the protruding portion 92 and corresponds to a XII-XII line cross section of FIG. 11.
  • FIG. 12 illustrates an example where a sheet 1 is used as the decorative sheet for interior and exterior 34 and a hook material 22 is used as the second hook-and-loop fastener member.
  • the decorative sheet for interior and exterior 34 can be adhered to the supporting surface 90 in a manner that the decorative sheet for interior and exterior 34 does not recess along the shape of the recess portion 91.
  • the decorative sheet for interior and exterior 34 adhered to the supporting surface 90 maintains a flat condition, existence of the recess portion 91 can be hidden by the decorative sheet for interior and exterior 34. Furthermore, space is formed between the supporting surface 90 and the cover by the first and second hook- and-loop fastener members. Therefore, the decorative sheet for interior and exterior 34 can be adhered to the supporting surface 90 in a manner that the decorative sheet for interior and exterior 34 does not protrude along the shape of the protruding portion 92 while the protruding portion 92 is contained in this space. Since the decorative sheet for interior and exterior 34 adhered to the supporting surface 90 maintains a flat condition, existence of the protruding portion 92 can be hidden by the decorative sheet for interior and exterior 34.
  • FIGS. 11 and 12 illustrates an example where the decorative sheet for interior and exterior 34 is used to hide the recesses and protrusions on the supporting surface 90; however, the decorative sheet for interior and exterior 34 may be adhered to the supporting surface 90 having no recesses and no protrusions.
  • the second hook-and-loop fastener member may be fixed to the substantially entirety of the supporting surface 90.
  • kits for a sheet including the sheet and the second hook-and-loop fastener member may be provided.
  • the kit for a sheet may further include an adhesive layer having low tackiness that is provided between the second hook-and-loop fastener member and a supporting surface.
  • a kit for a sheet provided with an adhesive sheet containing the adhesive layer having low tackiness is described.
  • the eighth embodiment relates to a structure of a kit for a sheet provided with an adhesive sheet including the adhesive layer having low tackiness which allows the second hook-and-loop fastener member to be peeled off without damaging such a fragile supporting surface.
  • a kit for a sheet 100 according to the eighth embodiment includes a sheet 1, a hook material 22 which is the second hook-and-loop fastener member, and an adhesive sheet 40 including an adhesive layer having low tackiness 40b.
  • FIG. 13 is a diagram illustrating an example of a structure of the kit for a sheet 100.
  • the adhesive layer 40b having low tackiness can be provided on a face of the second hook-and-loop fastener member, the face being in contact with the supporting surface 90.“Low tackiness” indicates that the supporting surface 90 is not damaged by the adhesive sheet 40 when the adhesive layer 40b is peeled off from the supporting surface 90, that is, indicates a low adhesive strength at a degree that the supporting surface 90 peels off together with the adhesive sheet 40.
  • the adhesive sheet 40 includes a substrate layer 40a, an adhesive layer 40b having low tackiness provided on the first main face of the substrate layer 40a, and an adhesive layer 40c provided on the second main face of the substrate layer 40a.
  • the adhesive layer 40b is in contact with the supporting surface 90 when the kit for a sheet 100 is used.
  • a hook material 22 is fixed on the adhesive layer 40c.
  • the material of the base material layer 40a is not limited.
  • the base material layer 40a may be produced from polyethylene terephthalate (PET), polyurethane, ethylene-vinyl acetate (EVA), polyethylene (unoriented), oriented polypropylene (OPP), paper, or fabric.
  • PET polyethylene terephthalate
  • EVA ethylene-vinyl acetate
  • OPP oriented polypropylene
  • the material of the adhesive layer 40b is also not limited.
  • the adhesive layer 40b may be formed by an acrylic-based, rubber-based, or silicone-based adhesive agent.
  • the silicone-based adhesive agent exhibits low adhesive strength while necessary holding characteristics can be achieved by high wettability although the adhesive strength is low. Therefore, by forming the adhesive layer 40b by using the silicone-based adhesive agent, the adhesive sheet 40 can be peeled off from the supporting surface 90 without damaging the supporting surface 90.
  • a water-based polyether urethane primer or a solvent-based polyether urethane primer is used as a primer.
  • HYDRAN WLI-602 available from DIC Corporation
  • solvent-based poly ether urethane primer Polyurethane 3552 (available from Arakawa Chemical Industries, Ltd.) is diluted with methyl ethyl ketone to a concentration of 10 wt.% for use.
  • PDMS having a functional group at a terminal or having no functional group at a terminal such as PDMS described in US 8,541,481, and a silicone resin having a MQ structure are used.
  • TSF451-100M available from Momentive Performance Materials Japan LLC
  • MQ803TF available from Wacker Chemie AG
  • a silicone adhesive is prepared by dissolving 30 parts by weight of a silicone resin in 100 parts by weight of PDMS having trimethylsilyl as a terminal.
  • An adhesive layer 40b is produced by applying a silicone adhesive onto a substrate layer 40a to which a primer has been applied. As an example, the thickness of the adhesive layer 40b is 50 pm.
  • the adhesive layer 40b which has been applied on the substrate layer 40a is cured by electron beam irradiation (40 kGy; acceleration voltage: 210 KeV).
  • the material of the adhesive layer 40b, the material of the substrate layer 40a, and the method of producing the adhesive sheet 40 described above are examples.
  • the adhesive layer 40b and the substrate layer 40a may be produced by using other materials or other production methods.
  • the material of the adhesive layer 40c is also not limited.
  • a pressure-sensitive adhesive or a heat-sensitive adhesive may be used as the adhesive layer 40c.
  • the structure of the adhesive layer 40c may be the same as or different from the adhesive layer 13 described above.
  • the eighth embodiment describes a kit for a sheet 100 including a hook material 22 which is a second hook-and-loop fastener member and an adhesive sheet 40; however, an adhesive layer 40b having low tackiness may be provided on the back face of the hook material 22 which is the second hook-and-loop fastener member. That is, the use of the adhesive sheet 40 including the substrate layer 40a is not necessary.
  • the shape and the dimension of the adhesive sheet 40 may be set in a manner that the entirety of the second hook-and-loop fastener member is positioned on the substrate layer 40a and the adhesive sheet 40 is extended in at least one part of the outer side around the
  • the shape and the dimension of the adhesive sheet 40 may be set in a manner that the adhesive sheet 40 is extended in the outer side around the entire circumference of the second hook-and-loop fastener member.
  • FIG. 14 illustrates an example of use of the kit for a sheet 100.
  • the operator adheres the adhesive sheet 40 to the supporting surface 90 in a condition where the adhesive layer 40b of the adhesive sheet 40 is faced to the supporting surface 90.
  • the hook material 22 adhered on the substrate layer 40a of the adhesive sheet 40 is fixed to the supporting surface 90.
  • the hook material 22 may be not adhered in advance to the adhesive sheet 40, and in this case, the operator may adhere the hook material 22 to the adhesive sheet 40.
  • the sheet 1 can be adhered to the supporting surface 90 after the operator adheres the sheet 1 to the hook material 22 on the supporting surface 90.
  • the operator can detach the sheet 1 from the hook material 22.
  • the kit for a sheet 100 can be detached from the supporting surface 90 without damaging the supporting surface 90.
  • the structure of the kit for a sheet is not limited to the present embodiment.
  • the kit for a sheet may include a sheet 1A, a loop material 21 which is the second hook-and-loop fastener member, and an adhesive sheet 40.
  • the adhesive layer 40c may be not the component of the adhesive sheet but may be the component of the second hook-and-loop fastener member.
  • a sheet according to one aspect of the present invention includes: a film layer having a front face and a back face; and a fastener layer including a first hook-and- loop fastener member that is fixed on at least one part of the back face of the film layer; the first hook-and-loop fastener member including at least one of a loop material or a hook material; a thickness of the hook material being 600 pm or less; and the loop material including a nonwoven fabric or knit being capable of engaging with the hook material.
  • the sheet can be easily attached or detached. For example, even when wrinkles or slacking occurred on the sheet during the initial adhering of the sheet to the supporting surface, the operator can temporary peel off a part or the entirety of the sheet and then adhere the sheet again. Since attaching and detaching of the sheet can be repeated, the sheet can be posted by a small number of operators. Furthermore, easy reuse is also possible, such as the case where a sheet adhered on a place is adhered to another place.
  • the thickness of the hook material By setting the thickness of the hook material to 600 pm or less, the bulkiness of the sheet fixed on the supporting surface can be suppressed.
  • the hook material is used as the first hook-and-loop fastener member, the sheet also becomes thin and light because the hook-and-loop fastener member becomes thin and light. Therefore, portability and handleability of the sheet can be further enhanced.
  • the 90° peeling adhesive strength relative to a second hook-and-loop fastener member that is capable of engaging with the first hook-and-loop fastener member may be from 0.5 N/25.4 mm to 8 N/25.4 mm.
  • the film layer may include a supporting layer containing polyester.
  • the first hook-and-loop fastener member may be fixed on the entirety of the back face of the film layer.
  • the operator can easily adhere the sheet to the supporting surface without precisely caring about the positional relationship relative to the second hook- and-loop fastener member provided on the supporting surface of the sheet.
  • the engaging face of the loop material may have a region including no loop. By providing this region, the sheet can be easily detached by suppressing the peeling adhesive strength of the sheet.
  • the sheet can be reliably adhered to the supporting surface while a phenomenon in which a part of the loop layer is peeled off during detachment of the sheet and transfers to the second hook-and-loop fastener member, such as the hook material, i.e. transfer, is avoided or suppressed.
  • the film layer is a printing film layer
  • the sheet may be used as a graphic sheet.
  • the graphic sheet can be easily attached or detached. Furthermore, easy reuse of the graphic sheet is also possible.
  • the first hook-and-loop fastener member may engage with a second hook-and-loop fastener member that is fixed on clothes or fabric.
  • the graphic sheet can be easily attached or detached to the clothes or fabric. Furthermore, easy reuse of the graphic sheet is also possible.
  • a sheet according to another aspect may be used as a projector screen.
  • the projector screen can be easily attached or detached. Furthermore, easy reuse of the projector screen is also possible.
  • a sheet according to another aspect may be used as a whiteboard sheet.
  • the whiteboard sheet can be easily attached or detached. Furthermore, easy reuse of the whiteboard sheet is also possible.
  • a sheet according to another aspect may be used as a sheet for sticky notes.
  • the sheet for sticky notes can be easily attached or detached. Furthermore, easy reuse of the sheet for sticky notes is also possible.
  • a sheet according to another aspect may be used as a decorative sheet for interior and exterior.
  • the decorative sheet for interior and exterior can be easily attached or detached. Furthermore, easy reuse of the decorative sheet for interior and exterior is also possible.
  • the decorative sheet for interior and exterior may be used as a cover to hide at least one part of recesses and protrusions formed on an interior or exterior decoration.
  • the recesses and protrusions can be easily covered or exposed. Furthermore, easy reuse of the cover is also possible.
  • a kit for a sheet according to one aspect of the present invention includes the sheet described above, and a second hook-and-loop fastener member that is capable of engaging with the first hook-and-loop fastener member and that is fixable to a supporting surface.
  • a hook-and-loop fastener member is provided on the back face of the film layer, the sheet can be easily attached or detached. For example, even when wrinkles or slacking occurred on the sheet during the initial adhering of the sheet to the supporting surface, the operator can temporary peel off a part or the entirety of the sheet and then adhere the sheet again. Since attaching and detaching of the sheet can be repeated, the sheet can be posted by a small number of operators. Furthermore, easy reuse is also possible, such as the case where a sheet adhered on a place is adhered to another place.
  • a kit for a sheet according to another aspect may further include an adhesive layer having low tackiness between the second hook-and-loop fastener member and a supporting surface.
  • the adhesive layer having low tackiness is interposed between the second hook-and-loop fastener member and the supporting surface, damaging of the supporting surface can be avoided when the adhesive layer is peeled off from the supporting surface. For example, this is particularly effective in the case where the supporting surface is a fragile wallpaper or the like.
  • the adhesive layer having low tackiness may be a silicone-based adhesive layer.
  • the silicone-based adhesive agent exhibits low adhesive strength while necessary holding characteristics can be achieved by high wettability although the adhesive strength is low. Therefore, by forming the adhesive layer by using the silicone-based adhesive agent, it is possible to peel off the adhesive layer without damaging the supporting surface.
  • a solution was prepared in which 35%, in terms of solid content, of an acrylic-based adhesive having a monomer composition containing 55% of n-butyl acrylate (BA), 25% of 2- ethylhexyl acrylate (2-EHA), 12.5 % of vinyl acetate (VAc), and 7.5% of acrylic acid (AA) was contained in ethyl acetate.
  • BA n-butyl acrylate
  • 2-EHA 2- ethylhexyl acrylate
  • VAc vinyl acetate
  • acrylic acid AA
  • Part A a white PVC film that had a thickness of 90 m and that had undergone calender molding
  • Part A and Part B were combined by adhering the biaxially oriented polypropylene film to the adhesive layer of the PVC film, thereby a graphic sheet was obtained.
  • a discretionary chosen graphic was printed by using an inkjet printer (JV5, available from Mimaki Engineering Co., Ltd.; the ink was a solvent ink available from the same, SS21).
  • an aluminum plate having a dimension of 210 mm c 150 mm c 1 mm was prepared.
  • a hook material including an adhesive agent NC-2141, available from 3M; 25 mm width
  • the printed graphic sheet was adhered to the aluminum plate by using a hand roller.
  • the dimension (length and width) of the printed graphic sheet was the same as that of the aluminum plate.
  • a sample piece was prepared by cutting the graphic sheet to 25 mm width. Furthermore, a hook material (NC-2141, available from 3M; 25 mm width) was adhered to an aluminum plate having a dimension of 30 mm c 150 mm c 1 mm by using a hand roller. Then, the sample piece was adhered to the aluminum plate by a method stipulated in JIS Z 0237 and left overnight. This series of process was performed for two sample pieces. Thereafter, the 90° peeling adhesive strength of each of the two sample pieces was measured by the method stipulated in JIS Z 0237, and the average value thereof (unit: N/25.4 mm) was determined.
  • a sample piece was prepared by cutting the graphic sheet to 25 mm width. Furthermore, a hook material (NC-2141, available from 3M; 25 mm width) was adhered to an aluminum plate having a dimension of 30 mm c 150 mm c 1 mm by using a hand roller. For this hook material, the thickness of the base was 85 pm, the height of the hook was 285 pm, the thickness of the hook material was 370 pm, the maximum width of the umbrella portion (cap) of the hook was 420 pm.
  • NC-2141 available from 3M; 25 mm width
  • a step in which the sample piece was adhered to the aluminum plate and then peeled off was repeated 10 times, and the area of transfer (unit: %) of the loop material (knit in Example 1) to the hook material was determined.
  • the area of transfer of 90% indicates that the loop materials were transferred in 90% region of the entire area of the hook material.
  • Example 2 The difference from Example 1 was the structure of Part B.
  • a nonwoven fabric (Laurel 2, available from Fibervision Suzhou) was prepared. In this nonwoven fabric, 33% of the entire area had been heat-sealed by hot pressing, and the loop-free region formed by the heat sealing were arranged in a plurality of lines extended in parallel. The basis weight of this nonwoven fabric was 35 g/m 2 . The face that was on the opposite side of the heat- sealed face was laminated on the adhesive layer of Part A.
  • Example 3 was different from Examples 1 and 2 in that the graphic sheet included the hook material, and the loop material was adhered to the aluminum plate.
  • the difference from Example 1 regarding Part A was that no BOPP film was contained.
  • Part B a hook material having a width of 600 mm (NC-2141, available from 3M) was prepared, and the hook material was laminated on the adhesive layer formed by the same technique as in Example 1.
  • the adhesive layer of Part A and the adhesive layer of Part B were then adhered to obtain a graphic sheet.
  • a discretionary chosen graphic was printed on the face of the PVC film of this graphic sheet by the same technique as in Example 1.
  • an aluminum plate having a dimension of 210 mm c 150 mm c 1 mm was prepared.
  • a loop material including an adhesive agent (NC-2841, available from 3M; 25 mm width) was adhered.
  • the basis weight was 78 g/m 2
  • the number of wales was 14.6 W/cm
  • the number of courses was 15.7 C/cm.
  • the printed graphic sheet was adhered to the aluminum plate by using a hand roller.
  • the dimension (length and width) of the printed graphic sheet was the same as that of the aluminum plate.
  • the 90° peeling adhesive strength was determined by the same technique as in Example 1 except for adhering a loop material (NC-2841, available from 3M; 25 mm width) to an aluminum plate having a dimension of 30 mm c 150 mm c 1 mm by using a hand roller.
  • a loop material NC-2841, available from 3M; 25 mm width
  • the area of transfer of the loop material to the hook material was determined by the same technique as in Example 1 except for adhering a loop material (NC-2841, available from 3M; 25 mm width) to an aluminum plate having a dimension of 30 mm c 150 mm c 1 mm by using a hand roller.
  • a loop material NC-2841, available from 3M; 25 mm width
  • a graphic sheet including:
  • a printing film layer having a printing face and a back face
  • a fastener layer having a first hook-and-loop fastener member that is fixed on at least one part of the back face of the printing film layer;
  • the first hook-and-loop fastener member having at least one of a loop material containing a nonwoven fabric or knit or a hook material.
  • a 90° peeling adhesive strength relative to a second hook-and-loop fastener member that is capable of engaging with the first hook-and-loop fastener member is from 0.5 N/25.4 mm to 8 N/25.4 mm.
  • the first hook-and-loop fastener member is fixed on an entirety of the back face of the printing film layer.
  • an engaging face of the loop material has a region having no loop.
  • a graphic kit including:
  • a second hook-and-loop fastener member that is capable of engaging with the first hook- and-loop fastener member.
  • the graphic sheet according to one aspect of the present invention includes: a printing film layer having a printing face and a back face; and a fastener layer including a first hook-and- loop fastener member that is fixed on at least one part of the back face of the printing film layer; the first hook-and-loop fastener member including at least one of a loop material containing a nonwoven fabric or knit or a hook material.
  • the graphic kit according to one aspect of the present invention includes the graphic sheet described above, and a second hook-and-loop fastener member that is capable of engaging with the first hook-and-loop fastener member.
  • the graphic sheet can be easily attached or detached. For example, even when wrinkles or slacking occurred on the graphic sheet during the initial adhering of the graphic sheet to the supporting surface, the operator can temporary peel off a part or the entirety of the graphic sheet and then adhere the graphic sheet again. Since attaching and detaching of the graphic sheet can be repeated, the graphic sheet can be posted by a small number of operators. Furthermore, easy reuse is also possible, such as the case where a graphic sheet adhered on a place is adhered to another place.
  • the 90° peeling adhesive strength relative to a second hook-and-loop fastener member that is capable of engaging with the first hook-and- loop fastener member may be from 0.5 N/25.4 mm to 8 N/25.4 mm.
  • the first hook-and-loop fastener member may be fixed on an entirety of the back face of the printing film layer.
  • the engaging face of the loop material may have a region including no loop.
  • the graphic sheet cans be easily detached by suppressing the peeling adhesive strength of the graphic sheet.
  • the graphic sheet can be reliably adhered to the supporting surface while a phenomenon in which a part of the loop layer is peeled off during detachment of the graphic sheet and transfers to the second hook-and-loop fastener member, such as the hook material, i.e. transfer, is avoided or suppressed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

L'objectif de l'invention est de faciliter la fixation et le détachement d'une feuille. Selon le moyen de résolution, un mode réalisation de l'invention concerne une feuille comprenant : une couche de film ayant une face avant et une face arrière, et une couche de fixation contenant un premier élément de fixation autoagrippant qui est fixé sur au moins une partie de la face arrière de la couche de film. Le premier élément de fixation autoagrippant comprend au moins un matériau parmi un matériau à boucles et un matériau à crochets. L'épaisseur du matériau à crochets est inférieure ou égale à 600 μm. Le matériau à boucles comporte un tissu non tissé ou un tricot capable de s'engager avec le matériau à crochets.
PCT/IB2018/059685 2017-12-11 2018-12-05 Feuille et kit pour feuille Ceased WO2019116174A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201880080016.4A CN111479686A (zh) 2017-12-11 2018-12-05 片材和用于片材的套件

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2017236978 2017-12-11
JP2017-236978 2017-12-11
JP2018-160656 2018-08-29
JP2018160656A JP2019103778A (ja) 2017-12-11 2018-08-29 シート、およびシート用キット

Publications (1)

Publication Number Publication Date
WO2019116174A1 true WO2019116174A1 (fr) 2019-06-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021236875A1 (fr) * 2020-05-22 2021-11-25 Transhield, Inc. Tissus composites de protection et procédés de fabrication et d'utilisation

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Publication number Priority date Publication date Assignee Title
US5691026A (en) * 1993-07-27 1997-11-25 Minnesota Mining And Manufacturing Company Fastener member with a dual purpose cover sheet
US6410099B1 (en) * 1997-03-05 2002-06-25 3M Innovative Properties Company Readily replaceable image graphic web
US20050166372A1 (en) * 2002-08-20 2005-08-04 Shepard William H. Printable fastener composites
US20130097834A1 (en) * 2011-04-15 2013-04-25 Tac-Fast Georgia L.L.C. Methods and systems for engagement of decorative covering
US20160093236A1 (en) * 2013-06-24 2016-03-31 Joyce Utterback Buehler Hooked material for conveying non-verbal spatial and directional messages

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Publication number Priority date Publication date Assignee Title
US5691026A (en) * 1993-07-27 1997-11-25 Minnesota Mining And Manufacturing Company Fastener member with a dual purpose cover sheet
US6410099B1 (en) * 1997-03-05 2002-06-25 3M Innovative Properties Company Readily replaceable image graphic web
US20050166372A1 (en) * 2002-08-20 2005-08-04 Shepard William H. Printable fastener composites
US20130097834A1 (en) * 2011-04-15 2013-04-25 Tac-Fast Georgia L.L.C. Methods and systems for engagement of decorative covering
US20160093236A1 (en) * 2013-06-24 2016-03-31 Joyce Utterback Buehler Hooked material for conveying non-verbal spatial and directional messages

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021236875A1 (fr) * 2020-05-22 2021-11-25 Transhield, Inc. Tissus composites de protection et procédés de fabrication et d'utilisation
US12350920B2 (en) 2020-05-22 2025-07-08 Transhield, Inc. Protective composite fabrics and methods of manufacture and use

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