Abstract: A laminated sheet includes a first porous layer including a plurality of fibers of at least one of inorganic fiber or carbonized fiber; and a second porous layer formed of a plurality of organic fibers, wherein the laminated sheet has a surface density of greater than or equal to 400 g/m2 and less than or equal to 1550 g/m2, wherein the second porous layer is formed of the plurality of organic fibers having a mean diameter of fibers being greater than or equal to 0.5 ?m and less than or equal to 14 ?m, and wherein, expressing a total volume of solids and voids filling a unit volume of the second porous layer as 100%, a percentage of the solids is greater than or equal to 1.0% and less than or equal to 8.0%.

Abstract: A laminated sheet includes a first porous layer including a plurality of fibers of at least one of inorganic fiber or carbonized fiber; and a second porous layer formed of a plurality of organic fibers, wherein the laminated sheet has a surface density of greater than or equal to 400 g/m2 and less than or equal to 1550 g/m2, wherein the second porous layer is formed of the plurality of organic fibers having a mean diameter of fibers being greater than or equal to 0.5 ?m and less than or equal to 14 ?m, and wherein, expressing a total volume of solids and voids filling a unit volume of the second porous layer as 100%, a percentage of the solids is greater than or equal to 1.0% and less than or equal to 8.0%.

Abstract: This porous fiber sheet is formed using fibers having an average fiber diameter of 0.5 ?m to 20 ?m. If the total volume of solid and gap per unit volume is 100%, the percentage of solid is 1.3% to 8%.

Abstract: The present invention provides a multi-layered PSA article having higher interlayer adhesive strength. The multi-layered PSA article of the present invention comprises a PSA layer (A) formed from a PSA composition (a) comprising as a primary component an acrylic polymer (a) obtained by polymerizing a monomer composition (a), a PSA layer (B) formed from a PSA composition (b) comprising as a primary component an acrylic polymer (b) obtained by polymerizing a monomer composition (b), and an intermediate layer (C) placed between the PSA layer (A) and the PSA layer (B), wherein the acrylic polymer (a) and the acrylic polymer (b) comprise an acidic group, and the intermediate layer (C) is formed from an intermediate layer composition (c) comprising a polymer (c) having a primary to tertiary amino group.

Abstract: The present invention provides a multi-layered PSA article having higher interlayer adhesive strength. The multi-layered PSA article of the present invention comprises a PSA layer (A) formed from a PSA composition (a) comprising an acrylic polymer (a) as a primary component, a PSA layer (B) formed from a PSA composition (b) comprising an acrylic polymer (b) as a primary component, and an intermediate layer (C) placed between the PSA layer (A) and the PSA layer (B), wherein the PSA composition (a) and the PSA composition (b) individually further comprise a compound having per molecule two or more functional groups that are capable of reacting with active hydrogen, and the intermediate layer (C) is formed from an intermediate layer composition (c) comprising a polymer (c) obtained by polymerizing a monomer composition (c) comprising a monomer having an active hydrogen.

Abstract: A radiant heat conduction-suppressing sheet according to an embodiment of the present invention includes: a heat conduction-suppressing layer and a heat conductive layer. The heat conduction-suppressing layer has a heat conductivity of 0.06 W/m·K or less. The heat conductive layer has a far-infrared absorptivity at a wavelength of 7 ?m to 10 ?m of 0.6 or less, and a heat conductivity of 200 W/m·K or more. The radiant heat conduction-suppressing sheet is used by being fixed to a housing containing a heating element under a state in which a side of the heat conduction-suppressing layer is fixed to the housing at such a position that the heat conductive layer faces a heat radiating surface of the heating element while being free of close contact with the heating element.

Abstract: A compensation layer optical property evaluation method capable of precisely and accurately evaluating the optical properties of the compensation layer without separating the compensation layer from the optical film, namely without causing a breakage of the compensation layer or a change in the optical properties, and to provide a compensation layer optical property evaluation system for use in such a method.