Abstract: A high-frequency-dielectric-heating adhesive configured to bond three or more adherends is provided. The high-frequency-dielectric-heating adhesive contains a thermoplastic resin and a dielectric filler configured to generate heat upon application of a high-frequency electric field. MVR of the high-frequency-dielectric-heating adhesive in a range from a lower-limit temperature TL to an upper-limit temperature TU is in a range from 1 to 300 cm3/10 min, where the lower-limit temperature TL (unit: degrees C.) is defined by a numerical formula (Numerical Formula 11) below and the upper-limit temperature TU (unit: degrees C.) is defined by a numerical formula (Numerical Formula 12) below, TL=(softening temperature TM of the high-frequency-dielectric-heating adhesive)+10 degrees C.??(Numerical Formula 11) TU=(thermal decomposition temperature TD of the high-frequency-dielectric-heating adhesive)?10 degrees C.??(Numerical Formula 12).

Abstract: A high-frequency-dielectric-heating adhesive for bonding three or more adherends to each other is provided. A dielectric property DP1 of the adhesive and a dielectric property DP2 of each of the adherends satisfy a numerical formula (Numerical Formula 1). The adherends are each an adherend having no flow start temperature or an adherend having the flow start temperature. A flow start temperature TF2 (degrees C.) of the adherends and a flow start temperature TF1 (degrees C.) of the adhesive satisfy a numerical formula (Numerical Formula 2). The dielectric properties DP1, DP2 are defined by values of dielectric properties (tan ?/??r), where tan ? and ??r are respectively a dielectric dissipation factor and a relative permittivity at 23 degrees C. and a frequency of 40.68 MHz, 0<DP1?DP2??(Numerical Formula 1) ?5?TF2?TF1??(Numerical Formula 2).

Abstract: A high-frequency dielectric heating adhesive sheet includes an adhesive layer. The adhesive layer contains a thermoplastic resin having a reactive site, a dielectric filler that generates heat upon application of a high-frequency electric field, and a silane coupling agent.

Abstract: An adhesive agent for high-frequency dielectric heating at least contains a thermoplastic resin and a dielectric filler that generates heat upon application of a high-frequency electric field. The thermoplastic resin at least contains a first thermoplastic resin and a second thermoplastic resin. The thermoplastic resin is a silane-modified thermoplastic resin. The second thermoplastic resin is a thermoplastic resin that is not silane-modified.

Abstract: A high-frequency dielectric heating adhesive contains a thermoplastic resin, in which the thermoplastic resin contains a styrene copolymer resin, an amount of the styrene copolymer resin contained in the thermoplastic resin is 40% or more by volume and 100% or less by volume, the styrene copolymer resin has a styrene monomer unit content of 10% or more by mass and 90% or less by mass, the high-frequency dielectric heating adhesive has a tensile modulus of 20 MPa or more, and the high-frequency dielectric heating adhesive has a dielectric property (tan ?/?'r) of 0.005 or more, where tan ? is a dielectric loss tangent at 23° C. and a frequency of 40.68 MHz, and ?'r is a relative dielectric constant at 23° C. and a frequency of 40.68 MHz.

Abstract: The present invention relates to a substrate for release sheet including a support, an adhesion layer (X1), and a resin layer (Y1) containing polyethylene having a density of 930 kg/m3 or more and 960 kg/m3 or less in this order, wherein convex portions are present on the surface of the resin layer (Y1), and a difference in height of the convex portions is 0.5 ?m or more.

Abstract: The present invention relates to a peel detection label that is a laminate including a backing, a pattern layer formed in a part of the surface of the backing, and a pressure sensitive adhesive laminate having at least a pressure sensitive adhesive layer (X) and a substrate layer (Y) laminated in this order thereon, and satisfying the following requirement (1), wherein an elastic modulus of the substrate layer (Y) is 10 MPa or more and 800 MPa or less: Requirement (1): On attaching the peel detection label onto an adherend and then peeling it from the adherend, interfacial peeling occurs between the backing and the pattern layer, whereby the presence or absence of peeling of the peel detection label from the adherend becomes visually detectable.

Abstract: Provided are a pressure sensitive adhesive sheet including, on a substrate, a resin layer containing a resin which is a resin layer containing a resin part (X) containing a resin as a main component and a particle part (Y) consisting of fine particles, at least a surface (?) of the resin layer on the side opposite to the side thereof on which the substrate is provided, having pressure sensitive adhesiveness, wherein a bending stress coefficient k in the MD direction of the substrate is 20 N·mm or less, a 10% elongation strength in the MD direction thereof is 260 N/15 mm or less, and concave portions satisfying specified requirements are included on the surface (?) of the resin layer; and a method for producing the pressure sensitive adhesive sheet.

Abstract: A pressure sensitive adhesive sheet including, on a substrate or a release material, a resin layer, at least a surface (?) of the resin layer on the opposite to the side on which the substrate or release material is provided having pressure sensitive adhesiveness, wherein a concave portion and a flat face exist on the surface (?) of the resin layer, and a width of the concave portion observed from the side of the surface (?) is non-uniform, and in a region (D) of 8 mm in length×10 mm in width as freely-selected on the surface (?), a concave portion having an area of 70 to 99.99% relative to 100% of a total area of the concave portions existing in the region (D) exists.

Abstract: A pressure sensitive adhesive sheet including, on a substrate or a release material, a resin layer including a resin part (X) containing a resin as a main component, and a particle part (Y) consisting of fine particles and having a surface (?) having pressure sensitive adhesiveness and one or more concave portions. When the surface (?) of the resin layer is adhered to a smooth surface of a light transmissive adherend to give a laminate, the areal ratio (S1) of the attached area adhered to the smooth surface to the surface (?) is 10 to 95% at 23° C. and 50% RH, and the area increase rate {[(S2?S1)/S1]×100} is ?10 to 20% after heating of the smooth surface by statically leaving the laminate at 80° C. for 30 minutes.

Abstract: A pressure sensitive adhesive sheet including, on a substrate or a release material, a resin layer, at least a surface (?) of the resin layer on the opposite to the side on which the substrate or release material is provided having pressure sensitive adhesiveness, wherein a concave portion and a flat face exist on the surface (?) of the resin layer, and a width of the concave portion observed from the side of the surface (?) is non-uniform, and in a region (D) of 8 mm in length×10 mm in width as freely-selected on the surface (?), a concave portion having an area of 70 to 99.99% relative to 100% of a total area of the concave portions existing in the region (D) exists.

Abstract: Provided are a pressure sensitive adhesive sheet including, on a substrate, a resin layer containing a resin which is a resin layer containing a resin part (X) containing a resin as a main component and a particle part (Y) consisting of fine particles, at least a surface (?) of the resin layer on the side opposite to the side thereof on which the substrate is provided, having pressure sensitive adhesiveness, wherein a bending stress coefficient k in the MD direction of the substrate is 20 N·mm or less, a 10% elongation strength in the MD direction thereof is 260 N/15 mm or less, and concave portions satisfying specified requirements are included on the surface (?) of the resin layer; and a method for producing the pressure sensitive adhesive sheet.

Abstract: A pressure sensitive adhesive sheet containing, on a substrate or a release material, a resin layer that includes a resin part (X) containing a resin as a main component, and a particle part (Y) consisting of fine particles, at least a surface (?) of the resin layer being opposite to the side thereof on which the substrate or the release material is provided having pressure sensitive adhesiveness, wherein one or more concave portions exist on the surface (?), and when the surface (?) of the resin layer is adhered to a smooth surface of a light transmissive adherend having a smooth surface to give a laminate, the pressure sensitive adhesive sheet satisfies the following requirements (1) and (2). Requirement (1): in an environment at 23° C. and 50% RH, the areal ratio (S1) of the attached area against the smooth surface of the light transmissive adherend to the surface (?) before heating is 10 to 95%. Requirement (2): after the laminate is statically left in an environment at 80° C.

Abstract: Provided is a pressure sensitive adhesive sheet containing, on a substrate or a release material, a resin layer formed of a multilayer structure of three or more layers including a fine particle-containing layer that contains fine particles in an amount of 15% by mass or more, at least a surface (?) of the resin layer being opposite to the side thereof on which the substrate or the release material is provided having pressure sensitive adhesiveness, wherein the fine particle-containing layer is formed not as the outermost layer of the resin layer, and one or more concave portions exist on the surface (?) and the shapes of the one or more concave portions have irregular shapes. When attached to an adherend, the pressure sensitive adhesive sheet can exhibit excellent air escape property of readily removing air accumulation which may be formed, good blister resistance and good pressure sensitive adhesion characteristics.

Abstract: Provided is a pressure sensitive adhesive sheet containing a resin layer on a substrate or a release material, at least a surface (?) of the resin layer being opposite to the side thereof on which the substrate or the release material is provided having pressure sensitive adhesiveness, wherein one or more concave portions formed not by transferring an emboss pattern exist on the surface (?).