Abstract: The invention relates to double-sided adhesive tape comprising a viscoelastic, first polymer layer, a second polymer layer on the top face and a third polymer layer on the bottom face of the viscoelastic, first polymer layer, where the viscoelastic, first polymer layer is based on a polymer which is obtainable by polymerization of a monomer composition of 65% to 97% by weight of ethylhexyl acrylate and/or butyl acrylate, 0% to 30% by weight of methyl acrylate, 3% to 15% by weight of acrylic acid, the viscoelastic interlayer being crosslinked, the second polymer layer is based on a polymer which is obtainable by polymerization of a monomer composition of 85% to 95% by weight of ethylhexyl acrylate and/or butyl acrylate, 5% to 15% by weight of acrylic acid, this second polymer layer being thermally crosslinked using at least one epoxycyclohexyl derivative in the absence of accelerators.

Abstract: A resin-rich peel ply that does not leave behind residual fibers after peeling and can work well with different resin-based composite substrates. The resin-rich peel ply is composed of a woven fabric impregnated with a resin matrix different from the resin matrix of the composite substrate. The peel ply is designed such that, upon manual removal of the peel ply from the composite substrate's surface, a thin film of the peel ply resin remains on the composite substrate's surface to create a bondable surface capable of bonding with another composite substrate, but no fibrous material from the woven fabric remains on the same surface.

Abstract: Provided is an optical functional film in which air bubbles can be effectively prevented from forming during lamination, and preferably in which a carrier film does not tear readily. Also provided is a method for manufacturing a liquid crystal display device using this optical functional film. A belt-shaped optical functional film is used in order to cut away the optical functional film at predetermined intervals from the belt-shaped optical functional film to which a carrier film is bonded, with the carrier film remaining uncut; to subsequently turn over the carrier film by an edge-shaped member and peel away the optical functional film; and to laminate the exposed surface of the optical functional film to a sheet member while the optical functional film is being peeled away, wherein the optical functional film is characterized in that the flexural rigidity of the carrier film per unit length in the longitudinal direction is from 5.0×10?5 N·mm2 to 8.

Abstract: A linerless label roll of repositionable labels adapted to be printed in varying lengths comprising a web of thermally printable paper wound along a running axis and having a continuous length of adhesive on one side of the web so that when a length of the web is caused to be thermally printed it will have an adhesive on the reverse side thereof that extends in a uninterrupted manner along the entire length of the thermally printed web.

Abstract: The adhesive tape of this application comprises a layer of polymeric material, particularly a polyvinyl chloride, having a Shore A Hardness of between 92 and 100 and a layer of adhesive material attached to a surface of the layer of polymeric material.

Abstract: A phosphor-containing composite material comprises: an optical excitable film including a releasable adhesive matrix and a phosphor dispersed in the releasable adhesive matrix, the optical excitable film having a surface and a peel adhesion value ranging from 10-200 g/inch as determined by PSTC-1 standard test; and a plastic substrate bonded peelably and directly to the surface of the optical excitable film.

Abstract: An easily applicable adhesive sheet includes a base sheet and an adhesive layer provided on the base sheet and which includes, in a surface portion thereof, air passages each including a plurality of grooves opening at an end edge portion of the adhesive sheet. Each groove has an opening width of 3 to 100 ?m; the distance between adjacent grooves is 1 to 100 ?m; each air passage has a width of 7 to 900 ?m; and the distance between adjacent air passages is 200 to 3,000 ?m. The easily applicable adhesive sheet can be smoothly applied to an adherend without formation of blisters (i.e., even when air bubbles are formed between the adhesive sheet and the adherend upon application thereof, air is easily released), and which exhibits excellent appearance after application thereof to the adherend.

Abstract: It is an object of the invention to provide a composite with sufficiently reliable bonding and adequately minimized generation of fluff from flaking resin dust and fibers. This object is achieved by the composite (100) of the invention that comprises a fiber sheet (101) impregnated with a resin composition (102), wherein the 20° C. storage elastic modulus of the cured resin composition (102) is 100-2000 MPa. The composite (100) optionally contains perforations (103).

Abstract: A laminated tape includes: an adhesive material layer; a first polyolefin layer provided on one side of the adhesive material layer; and a second polyolefin layer provided on the other side of the adhesive material layer. The laminated tape is sandwiched between opposing base films of a packaging body to be welded. The polyolefin used for the first polyolefin layer and the second polyolefin layer is of the same type. The thickness of the respective layers of the laminated tape is preferably defined so that the thickness of the first polyolefin layer and the adhesive material layer is 30 ?m or more and the thickness of the second polyolefin layer is less than 30 ?m.

Abstract: A highly resistant self-adhesive laminated cover is disclosed, formed by a layered material comprising a cover plate (2), an intermediary layer of gluing material (3) and a protection film (4), wherein said cover plate (2) is intended to compose the external and apparent face of the laminated cover (1), while the protection film (4) is intended to be taken off before the application of the laminated cover (1), so to allow the contact between the receiving surface for the laminated cover (1) and the gluing material layer (3). A device (10) able to form said laminated cover (1) from an MDF or MDP plate and a double-face type adhesive is also disclosed.

Abstract: It is an object of the present invention to provide a display strip with which the process of attaching product-enclosed bags can easily be automated and from which the product-enclosed bags can easily be detached without having their appearance degraded. The present invention is directed to a display strip for allowing a plurality of product-enclosed bags to be attached thereto for the purpose of arrangement and display, which comprises at least a substrate layer and a sealant layer that contains an easy-peelable resin composition comprising an adhesive component and a component for cohesion failure, said the sealant layer is bondable to a surface of the bag by heat sealing, and when the surface of the bag bonded to the sealant layer by heat sealing is peeled from the sealant layer, the sealant layer is broken.

Abstract: A holding sheet which is set to a cutting apparatus cutting an object to be cut includes a sheet member comprising a flat plate-shaped member and an adhesive portion located on an area of the sheet member located a predetermined distance inside an outer edge of the sheet member. The adhesive portion holds the object so that the object is removable therefrom. The sheet member has a plurality of holes which is defined formed through the sheet member so as to encompass the adhesive portion.

Abstract: A multipurpose adhesive tape with minimized curling is provided. The adhesive tape includes a base formed as a thin sheet, an adhesive attached to the reverse surface of the base, and a projection projecting along the length of the outer surface of the base within a portion of the width thereof.

Abstract: A multi-ply label includes a first material ply (10), having at least a first and a second material section (110, 120), in which the first material section (110) of the first material ply (10) can be separated from the second material section (120) of the first material ply, and a second material ply (20), having at least a first and a second material section (210, 220), in which the first material section (210) of the second material ply can be separated from the second material section (220) of the second material ply.

Abstract: An object is to provide a structure in which when a waterproof filter having an adhesive layer 1 attached thereto is attached to a housing of an electronic device, the adhesive layer 1 hardly rides onto a stepped portion 13. An acoustic part includes a housing 11 having at least one sound hole 12, an adhesive layer 1 formed into a frame shape, and a waterproof filter attached so as to cove the sound hole 12 with the adhesive layer 1 interposed therebetween, wherein the housing 1 is provided with a step position 13 for allowing the waterproof filter to engage therewith or a stepped portion 13 as a marker showing an attachment position of the waterproof filter, and an outer peripheral portion of the frame-shaped adhesive layer 1 is positioned at an inner side than an outer peripheral portion of the waterproof filter.

Abstract: The present disclosure provides a container identification device including a protective top layer having a top surface and a bottom surface, and a marking layer secured to the bottom surface of the protective top layer, wherein a mark is made on the marking layer when a corresponding impression is made on the protective top layer. The container identification device further includes an adhesive layer secured to the marking layer.

Abstract: A fixing system has at least one adhesion closure part (9) which can be fixed by its fixing side (7) onto the free side (19) of a fixing part (11). The other functional side of the fixing part is at least partially provided with an active substance (15) which can be activated. When activated, the substance forms a fixing connection with the fixing side (5) of a third part (1,3).

Abstract: To provide a glass substrate with protective glass which suppresses formation of microscopic scratches on the back surface of the glass substrate in the production process for a display device, and which prevents a strength decrease in the process or formation of etch pits after a chemical etching treatment; a process for producing a display device by using the glass substrate with protective glass; and a double-sided removable resin sheet for the glass substrate with protective glass. A glass substrate with protective glass, which comprises a glass substrate and a protective glass plate laminated on each other, and which is characterized in that the glass substrate and the protective glass plate are laminated by a double-sided removal resin sheet.

Abstract: Provided is a multilayer adhesive sheet which enables easy separation between an adhesive layer and a die attach film during the pick-up even in cases where an acrylate ester copolymer is used in the die attach film, thereby making the pick-up work of semiconductor chips after the dicing easy. The multilayer adhesive sheet comprises a base film, an adhesive layer that is disposed on one surface of the base film, and a die attach film that is disposed on an exposed surface of the adhesive layer. The adhesive that constitutes the adhesive layer contains: (A) a (meth)acrylate ester copolymer; (B) an ultraviolet polymerizable compound; (C) a multifunctional isocyanate curing agent; (D) a photopolymerization initiator; and (E) a silicone polymer.

Abstract: The present invention relates to a film for back surface of flip-chip semiconductor, which is to be formed on a back surface of a semiconductor element flip-chip connected onto an adherend, wherein an amount of shrinkage of the film for back surface of flip-chip semiconductor due to thermal curing is 2% by volume or more and not more than 30% by volume relative to a total volume of the film for back surface of flip-chip semiconductor before the thermal curing. According to the film for back surface of flip-chip semiconductor according to the present invention, since it is formed on the back surface of a semiconductor element having been flip-chip connected onto an adherend, it fulfills a function to protect the semiconductor element.

Abstract: Disclosed herein an adhesive substrate having a peelable backing for use with battery packs. The adhesive substrate can include an integral tab, and perforations can be formed between a main body of the substrate and the tab. To peel the backing from the main body, the tab can be detached from the main body while remaining bonded to the peelable backing. The tab can be pulled to peel the backing from the main body of the substrate. The substrate is then applied to the battery pack.

Abstract: A functional multilayer anisotropic conductive adhesive film, capable of bonding and package 0.18-0.13 micron IC chips and high density COF, includes a monomer layer, a reinforcing layer, a low-temperature, hot-melt resin layer, and a conductive particle layer, successively bonded by coating and drying processes. The monomer layer comprises a copolymer of butyl acrylate, methyl acrylate, glycol acrylate, and tetramethyl butyl peroxy-2-ethyl hexanoate. The reinforcing layer comprises long chain imidazole derivatives. The hot-melt resin layer comprises polymer of tocopheroxyl, novolac epoxy, acrylic rubbers and elastic mixture of acrylic rubbers and styrene-butadiene rubbers. The conductive particle layer comprises conductive particles and micro-encapsulating resin for receiving the conductive particles. Diameter of the conductive particles is selected from the group consisting of 3.00 ?m ±0.05, 3.25 ?m±0.05, 3.50 ?m±0.05, 3.75 ?m±0.05 and 4.00 ?m±0.05.

Abstract: A label assembly that includes a face sheet with a label shape defined by one or more tearable lines of separation, a back sheet adjacent to the face sheet, and an adhesive material disposed between the face sheet and the back sheet. The back sheet has a removable panel disposed over the label shape adhesive material and a registration tab aligned with the label shape. The registration tab includes a portion disposed over a removable shape within the label shape. The registration tab is raisable above the back sheet surface and the removable shape adheres to the registration tab while being raised, thereby removing the removable shape from the label shape.

Abstract: A stack of laminated transparent lenses consists of two alternating optically clear materials in intimate contact. The materials are a plastic lens and clear adhesive. The adhesive is uninterrupted. The lens and the adhesive have refraction mismatch of less than 0.2. A tab portion is part of each lens acts as an aid in peeling away the outermost lens after contamination of the lens layer during racing conditions. The lens stack can be mounted to the posts on the face shield or laminated directly to a windshield.

Abstract: A note-carried liquid pack for application on an article by machine includes a base note layer with printed indicia on a top note face. The note-carried liquid pack also includes first and second fluid-impermeable, substantially transparent laminate layers overlying the base note layer. A first adhesive secures the first laminate layer to the base note layer, and a second adhesive secures the second laminate layer to the first laminate layer along an endless adhesive boundary. The endless adhesive boundary surrounds a central portion devoid of adhesive, in which the laminate layers define a liquid-holding pocket therebetween. A substantially transparent liquid is disposed within the pocket to be sealed therein so long as at least portions of the laminate layers adjacent the pocket remain secured to one another. The printed indicia is viewable through the laminate layers and through the pocket.

Abstract: A roll of a continuous web of an optical film laminate with predefined slit lines for use in a continuous manufacturing system by laminating optically functional film sheets to liquid-crystal panels. The optical film laminate with predefined slit lines comprises an optically functional film having an adhesive layer which is subjected to a preliminary inspection, and a carrier film releasably laminated to the adhesive layer. Defect-free normal sheets and defective or defect-containing sheets having predefined length corresponding to the dimension of the liquid-crystal panel are formed on the carrier film by sequentially forming slit lines along the transverse direction with respect to the lengthwise direction of the optical film laminate.

Abstract: An information concealing label includes a label base and an adhesive layer on the back side thereof. The information concealing label is affixed by means of the adhesive layer onto an information writing section in which information to be concealed is written. The adhesive layer includes a strong adhesive portion positioned at the periphery of the label base and a weak adhesive portion positioned in the area inside the strong adhesive portion. The label base has a group of corrugated slits formed along the boundary between the weak adhesive portion and the strong adhesive portion. The weak adhesive portion of the label base can be peeled off the information writing section into an unsealed state with the strong adhesive portion adhering to the information writing section by cutting through the corrugated slits.

Abstract: Provided is a pressure-sensitive adhesive composition capable of sufficiently expressing each of “attachment position correction workability” that enables a pressure-sensitive adhesive tape containing the composition to be easily aligned by the expression of good temporary attachment property, “reworkability” that enables the tape to be easily reattached, and “temperature-sensitive strong pressure-sensitive adhesiveness” that enables the tape to express strong temperature-sensitive pressure-sensitive adhesiveness. Also provided is a pressure-sensitive adhesive tape containing such pressure-sensitive adhesive composition. The pressure-sensitive adhesive composition includes a cross-linked polymer in which an acrylic copolymer (A) is cross-linked by a polyurethane (meth)acrylate (B), in which the acrylic copolymer (A) includes a copolymer of monomers essentially containing a (meth)acrylate and a (meth)acrylamide.

Abstract: A multilayer optical body is disclosed. The optical body includes an optical film including polyester, a first skin layer is disposed on at least one side of the polyester optical film, and a strippable skin layer is disposed on the first skin layer. The first skin layer includes a mixture of a polyacrylate and a second polymer. Methods of making such optical bodies are also disclosed.

Abstract: A pressure-sensitive adhesive tape roll includes a bobbin and, helically wound therearound, a double-sided pressure-sensitive adhesive tape. The tape includes a double-sided pressure-sensitive adhesive body including a pressure-sensitive adhesive layer containing bubbles and/or hollow microspheres, and arranged on both sides thereof, a release liner A wider than the adhesive body, and an olefinic release liner B. In portions occupying 70% or more of the total length of the tape, a crosswise extending-off portion of the release liner A of an (n)th-turn portion of the adhesive tape vertically overlaps the adhesive body of an adjacent (n+1)th-turn portion of the adhesive tape to form an overlapping portion; the width of the overlapping portion is one half or more of the width of the adhesive body; and the adhesive body of the (n)th-turn adhesive tape is not present below the adhesive body of the adjacent (n+1)th-turn adhesive tape.

Abstract: An apparatus and method is provided for controlling animal activity with an adhesive sheet. In one embodiment, the sheet includes strips uniformly spaced apart on a transfer layer including a bisected protection layer. In another embodiment, the sheet is flat and generally rectangular. In another embodiment, the sheet is rolled. In yet another embodiment, the sheet is deployed from a dispenser. In one embodiment of the method, the sheet is deployed by locating an area of activity to be controlled, removing the control sheet from the transfer sheet, placing the control sheet on an the area of activity to be controlled and then systematically and sequentially removing the first protection sheet and the second protection sheet. In another embodiment, the area to be controlled includes a surface discontinuity requiring placement of the control sheet along the discontinuity.

Abstract: A self-adhesive pad for use in a laboratory setting.

Abstract: A durable decorative sheet high in the ability to follow a curved surface with small appearance change by heat or elongation. A decorative sheet comprising a transparent resin film having two main surfaces, a transparent resin layer formed on the first main surface of the transparent resin film, a pattern printed layer arranged on the transparent resin layer, and a colored base film arranged on the second main surface of the transparent resin film. The transparent resin layer includes first beads, the pattern printed layer include second beads. The first beads are different from the second beads in content, color and/or particle size. The first beads and the second beads are embedded in the transparent resin layer and the pattern printed layer.

Abstract: An exemplary touch sensitive display (200) includes a display device (220) and a touch panel (210). The touch panel is attached on the display device through two adhesives (231, 232). The two adhesives have different adhesive capabilities.

Abstract: An optical film laminate that has predefined slit lines for enhancing both product accuracy and manufacturing speed in liquid-crystal display element manufacturing to radically improve manufacturing yield. The optical film laminate formed as a continuous web with the predefined slit lines for use in a continuous manufacturing system by laminating optically functional film sheets to liquid-crystal panels. The optical film laminate having defect-free regions having a predefined length corresponding to the dimension of a liquid-crystal panel and defective regions having a predefined length different from the defect-free region, based on the detected position of defects. The optical film laminate having a carrier film releasably laminated to an adhesive layer, wherein defect-free normal polarizing sheets and a defective polarizing sheets are formed on the carrier film by forming slit lines corresponding to above regions along the transverse direction of the optical film laminate.

Abstract: Disclosed is a tape including a substrate having an adhesive layer applied thereto and an edge coating. The substrate and the adhesive together provide at least one masking edge where the edge coating is applied. The edge coating includes a lipophilic agent, a flocculating agent, or combinations thereof. The edge coating provides the tape with enhanced masking ability by preventing paints, varnishes, paint strippers, and other coating compositions from infiltrating the tape substrate or the interface between the tape and an adherend.

Abstract: An adhesive film includes a film-like adhesive layer and a pair of separators sandwiching the adhesive layer. The outer edges of both separators extend outward beyond the outer edge of the adhesive layer, and a blade is used to form a notch on the adhesive layer side of the heavy release separator, along the outer edge of the adhesive layer. The thickness of the heavy release separator is between 50 ?m and 200 ?m, the average notch depth is between 5 ?m and 45 ?m and the standard deviation for the notch depth is no greater than 15 ?m. Specifying the notch depth allows complete cutting of the adhesive layer with the blade, while also limiting release problems between the heavy release separator and the adhesive layer.

Abstract: The present invention discloses a plant label, which comprises a front layer, a middle layer and a bottom layer sequentially, and at least one kind of plant seeds is arranged between the middle layer and the bottom layer. The front layer is provided with at least one hole; and the middle layer 2 is a thin layer made of water-absorbent material or water-retention material, and is attached together with the front layer and the bottom layer respectively. The plant label according to the present invention is novel because plants may grow up through the label; what's more, the plant seeds in the label can germinate and then grow up at the location where the label is discarded, thus being environmentally friendly.

Abstract: A composite roofing board is provided, including a layer of bituminous core material having pieces or particles of shingles, rolled roofing, etc. that have been broken-up or comminuted therein, with the core material having layers of mat material on opposite surfaces thereof, also in layers, and with an adhesive applied to an outer surface of one of the layers of mat material, with a peelable and removable release liner layer covering the adhesive. The various layers are provided as a sandwich, to make the composite board. A plurality of composite boards may be applied to a roof deck or other roof structure, and they can be butt-joined and taped together with a joint tape. The method of making the composite board can be continuous.

Abstract: A label structure is disclosed for mounting on a container and includes a base panel for affixing to a surface of the container. An adhesive is applied to at least a portion of a rear face of the base panel for adhering the base panel to the container. The label structure further includes a leaflet associated with the base panel for application to the container with the base panel, and the leaflet comprising at least one panel with opposite faces. The label structure also includes a laminating strip securing the leaflet to the base panel, and the laminating strip overlies the leaflet and overlying the base panel. In some embodiments, the leaflet is positioned adjacent to the base panel, with a first portion of the leaflet overlying the base panel and a second portion of the leaflet not overlying the base panel.

Abstract: An adhesive sheet is provided in which properties that cause corrosion of a non-contacting metal are inhibited. The adhesive sheet is provided with a pressure-sensitive adhesive layer formed from an aqueous dispersion type adhesive composition. The pressure-sensitive adhesive composition contains an aqueous dispersion type acrylic polymer synthesized using a chain transfer agent that does not have sulfur as a composite element thereof. The amount of sulfur-containing gas (as SO42?) released from the pressure-sensitive adhesive sheet in the case of heating for 1 hour at 85° C. is 0.043 ?g/1 cm2 or less, adhesive strength on an ABS sheet is 10 N/20 mm or more, and holding time as determined in an 80° C. cohesive strength test is 1 hour or more.

Abstract: An assembly includes a light-permeable film layer, a release liner, and a print pattern. The print pattern includes a base layer. The print pattern sub-divides the film layer into a plurality of discrete base layer areas and/or a plurality of transparent areas. The base layer includes a design imaging surface of a first color. The release liner includes an imperforate material. The release liner includes a release surface. The imperforate material when viewed through said light permeable film layer is a second color contrasting with said first color by the graytone of said second color differing from the graytone of said first color by at least 10%. This contrast may provide a more realistic perception of how the assembly will look in situ (e.g., on a window).

Abstract: A release liner formed of a highly recyclable polypropylene-based resin sheet and capable of assuring excellent operability over a wide range of environmental temperature is provided. A pressure-sensitive adhesive (PSA) sheet with release liner is also provided. A PSA sheet with release liner according to the present invention comprises a PSA sheet including a support and a PSA layer; and a release liner formed of a polypropylene-based resin sheet which is obtained by molding into a sheet a polypropylene-based resin composition containing a nucleating agent. The PSA sheet with release liner provides excellent operability even in a high temperature environment of, for example, about 35° C. The PSA sheet with release liner is preferably applicable in an attachment operation wherein the PSA sheet is attached to an adherend while the liner is released from the PSA sheet.

Abstract: A wrapping film container, including: an elongated container body for housing therein a rolled self-tacky wrapping film, an opening provided to the container body along a longitudinal direction of the container body for pulling out a portion of the wrapping film therethrough, cutting means for cutting the pulled-out portion of the wrapping film and a film-holding section provided on a front face of the container body for preventing re-winding to an inside of the container, wherein the film-holding section comprises a laminate structure including a pressure-sensitive adhesive layer, a substrate layer, an adhesive layer and a self-tacky film layer, disposed sequentially from the container body side.

Abstract: An apparatus and method is provided for controlling animal activity with an adhesive sheet. In one embodiment, the sheet includes strips uniformly spaced apart on a transfer layer including a bisected protection layer. In another embodiment, the sheet is flat and generally rectangular. In another embodiment, the sheet is rolled. In yet another embodiment, the sheet is deployed from a dispenser. In one embodiment of the method, the sheet is deployed by locating an area of activity to be controlled, removing the control sheet from the transfer sheet, placing the control sheet on an the area of activity to be controlled and then systematically and sequentially removing the first protection sheet and the second protection sheet. In another embodiment, the area to be controlled includes a surface discontinuity requiring placement of the control sheet along the discontinuity.

Abstract: Provided is a pressure-sensitive adhesive label, which does not use release paper to save resources and alleviate an environmental burden and which can be formed thin so that the a pressure-sensitive adhesive label can be rolled into an elongated roll. The pressure-sensitive adhesive label includes an indication layer, a pressure-sensitive adhesive layer placed on the indication layer, and a functional layer placed on the pressure-sensitive adhesive layer. The functional layer is openable by heating to expose the pressure-sensitive adhesive layer. Consequently, the functional layer can be opened stably with low activation energy, and hence the pressure-sensitive adhesive label is suitable for a portable label issuing device.

Abstract: A sealing web including the following layer structure: a) a film containing polyvinyl chloride; b) a first adhesive; c) a polyethylene terephthalate film; and d) a second adhesive; wherein the layers are disposed in the sequence a), b), c), and d). The sealing web makes it possible to implement adhesion of a PVC web over a large area, without problems arising from the migration of the plasticizer from the PVC film to the adhesive, or in that said problems are at least greatly reduced.

Abstract: A self-laminating assembly for providing information, such as emergency medical or contact information, or a temporary identification card, for general purposes. Medical data or contact information is entered on a card which is predisposed within the assembly. The card can then be covered with a transparent plastic sheet and folded in half, along a perforation in its center to permanently seal the card within the transparent plastic enclosure.

Abstract: Provided is a release-lined pressure-sensitive adhesive sheet comprising a release liner 10 and a pressure-sensitive adhesive sheet 20. The release liner 10 has an average linear expansion coefficient of at most 7×10?5/° C. between 25° C. and 40° C. A layer 12 to constitute a surface 10A on the pressure-sensitive adhesive layer side of the release liner 10 is formed of a polyolefin-based resin composition containing none or at most 0.01 mass % of a phosphorous-based antioxidant. The surface 10A is divided into a plurality of sections 124 by a plurality of ridges 2A and 2B with each ridge having a height of 5 ?m to 50 ?m. At least one of the sections 124 inscribes a circle of a diameter greater than 500 ?m.

Abstract: Adhesive structures are disclosed which enable easy release of a strongly adherent dry adhesive pad or film. The adhesive pads or films are fabricated into structures or composites which exhibit a directional flexural modulus due to the incorporation of a plurality of spaced-apart, aligned, elongated reinforcements. The adhesive structure or composite will adhere strongly when loaded along the direction of the highest flexural modulus but release more readily when loaded along the direction of lowest flexural modulus.