Abstract: Provided is a laminate that has excellent long-term heat resistance even when an inorganic substrate having a high surface roughness is used. This laminate is characterized by having an inorganic substrate, a silane coupling agent layer, and a heat-resistant polymer film in this order, and satisfying the following (A)-(C). (A) The peel strength F0 of the laminate, as measured by a 90° peeling method, is 1.0-20 N/cm. (B) In the surface of the inorganic substrate after peeling the heat-resistant polymer film from the laminate at 90°, the area of a peeled portion on the boundary surface between the inorganic substrate and the silane coupling agent layer is at most 20% of the entire peeled surface. (C) The peel strength F1 of the laminate, as measured by the 90° peeling method after heating in a nitrogen atmosphere at 350° C. for 500 hours, is greater than F0.

Abstract: Provided is a polyester film roll which has less wrinkles and film surface defects, exhibits no deviation of winding, and is suitable for secondary processing such as coating and vapor deposition. The polyester film roll is obtained by winding a biaxially oriented polyester film around a core, and is characterized by satisfying requirements (1)-(3) below: (1) the average winding hardness of the surface of the polyester film roll is in the range of 500-700; (2) the variation rate of the winding hardness of the surface of the polyester film roll in the film width direction is 1-5%; and (3) the variation rate of the average winding hardness from the surface of the polyester film roll to the core is 3-10%.

Abstract: It is provided that an organic photodetector that exhibits high conversion efficiency.

Abstract: Provided is a biaxially oriented polypropylene film that has high stiffness, has excellent heat resistance at a high temperature of 150° C., easily maintains a bag shape when being made into a packaging bag, and has less pitch shift during printing or fewer wrinkles in a sealed portion when being heat-sealed. A biaxially oriented polypropylene film, wherein a maximum elongation of the biaxially oriented polypropylene film at 150° ° C. or lower measured by a thermomechanical analyzer (TMA) is not larger than 1.5 mm in a longitudinal direction and not larger than 0.1 mm in a width direction, and a heat shrinkage rate of the biaxially oriented polypropylene film at 150° C. is not higher than 10% in the longitudinal direction and not higher than 30% in the width direction.

Abstract: The invention provides a carbon neutral heat-sealable layered film that is excellent in heat resistance, impact resistance, and bending pinhole resistance. The layered film has at least a base material layer and a sealant layer, wherein the base material layer is a biaxially stretched polyamide film in which a layer B is laminated on at least one surface of a layer A, the layer A contains 70%-99% by mass of a polyamide 6 resin, and 1%-30% by mass of a polyamide resin containing a raw material derived from biomass, the layer B contains 70%-100% by mass of a polyamide 6 resin, the sealant layer is an unstretched polyolefin film, and the unstretched polyolefin film contains 70%-95% by mass of a polypropylene-based resin, and 5%-30% by mass of a linear low-density polyethylene resin in which at least a part of a raw material thereof is derived from biomass.

Abstract: The invention provides a polyolefin-based resin film including a polyolefin-based resin composition that comprises a propylene-? olefin random copolymer, an ethylene-butene copolymeric elastomer, and a propylene-butene copolymeric elastomer, wherein (1) the polyolefin-based resin composition contains 2 to 9 parts by weight of the ethylene-butene copolymeric elastomer and 2 to 9 parts by weight of the propylene-butene copolymeric elastomer based on 100 parts by weight of the propylene-? olefin random copolymer; (2) the polyolefin-based resin film exhibits a thermal shrinkage rate after heating at 120° C. for 30 minutes of 25% or less in a direction in which the thermal shrinkage rate after heating at 120° C. for 30 minutes is larger between a longitudinal direction and a lateral direction of the polyolefin-based resin film; and (3) a planar orientation coefficient ?P calculated from a refractive index of the polyolefin-based resin film is 0.0100-0.0145.

Abstract: An object of the present invention is to provide a method for producing a polyester resin composition with less coloring and less decrease in molecular weight even after several times of recycling with used polyester resins produced with at least one type of polymerization catalyst selected from the group consisting of an antimony compound, a titanium compound, and a germanium compound.

Abstract: Provided is a multilayer body having favorable thermal dimensional stability and capable of producing a food-packaging bag where without providing any perforations or guiding lines through laser half-cutting, a resistance at opening by tearing is low, and only a small extent of parting occurs; and a step is formed between opening ends on the front and back sides to be easily opened and contents can easily be taken out therefrom. A multilayer body having one or more types of base material films; and a polyolefin-based resin sealant film made from a polyolefin-based resin composition containing a propylene-?-olefin random copolymer, wherein 1) the base material films have orientation angles, a sum of absolute values of which is 250 to 85°, 2) the sealant film has a piercing strength of 5.0 to 15.0 N, and 3) the sealant film has an orientation coefficient ?Nx, in a longitudinal direction, of 0.0150 to 0.0230.

Abstract: Provided are an antibody or fragment thereof specifically bindable to the NTD or CTD of the N protein of SARS-CoV-2, and use of the antibody or fragment thereof. An antibody or fragment thereof specifically bindable to the amino acid sequence of SEQ ID NO: 1 or 2 is disclosed.

Abstract: Provided are a heat-sealable laminated film which has a high adhesion force at a laminated interface and a good bonded state when heat-sealed, and a roll thereof. A heat-sealable laminated film includes layer B, layer C, layer A, layer C, and layer B in this order. At least layer C, layer A, and layer C are laminated by co-extrusion. The layer A contains 100 to 70% by mass of a polymer A1 containing 90-100 mol % of a constitutional unit derived from 4-methyl-1-pentene with respect to all constitutional units. The layer B contains 100 to 70% by mass of a heat-sealable polyolefin B1. The layer C contains 50% by mass or more of a copolymer C1 containing 60-99 mol % of a constitutional unit derived from 4-methyl-1-pentene and 1-40 mol % of a constitutional unit derived from an ?-olefin having 2 or more and 20 or less carbon atoms other than 4-methyl-1-pentene.

Abstract: The invention provides a laminate roll having excellent long-term heat resistance even when a metal substrate having a high surface roughness is used. In particular the invention provides a laminate roll in which a heat-resistant polymer film, an adhesive layer, and a metal substrate are laminated in this order, said laminate roll being characterized in that: the adhesive layer is derived from a silane coupling agent and/or derived from silicone; the adhesive strength FO of the laminate roll as measured by a 90-degree peel method before a long-term heat resistance test is 0.05-20 N/cm inclusive; and the adhesive strength Ft of the laminate roll as measured by the 90-degree peel method after the long-term heat resistance test is higher than the adhesive strength FO, wherein, for the long-term heat resistance test, the laminate roll is left to stand and stored in a nitrogen atmosphere at 350° C. for 500 hours.

Abstract: Provided is a foldable display that is excellent in mass production applicability, and that is resistant to image distortion that can appear in the folding portion after the display is repeatedly folded, and also a mobile device equipped with such a foldable display. The foldable display includes a hard coating film on at least part of the front surface thereof, the hard coating film including a polyester film having an intrinsic viscosity of 0.65 to 1.0 dl/g as a substrate film; a hardened layer formed from a polyimide-based resin, the hardened layer having a thickness of 0.5 to 3.0 ?m; and a hard coating layer, wherein the hardened layer and the hard coating layer are present in this order at least on the front surface side of the substrate film.

Abstract: Provided is a polyester film for foldable displays that is unlikely to have cracks in the folding portion with the aim of providing a foldable display that is excellent in mass production applicability, and that does not have image distortion that may appear in the folding portion after the display is repeatedly folded. The polyester film has a thickness of 10 to 80 ?m, a refractive index in the bending direction of 1.590 to 1.620, a refractive index in the direction of a folding portion of 1.670 to 1.700, a refractive index in the thickness direction of 1.520 or less, and a density of 1.380 g/cm3 or more, wherein the bending direction refers to a direction orthogonal to the folding portion of the polyester film to be folded.

Abstract: Provided is a liquid crystal display device that has a wide reproduced color gamut without noticeable color unevenness even if it is an image display device that shows an steep emission spectrum in the red region, in particular, even if it comprises a light source having a steep emission spectrum in the red region, such as a KSF phosphor, as a backlight light source. The image display device comprises an image display cell and at least one polarizer, wherein the at least one polarizer is a polarizer in which light incident on the polarizer has a plurality of peak groups in the range of 600 to 650 nm, and the at least one polarizer comprises a polarizing element-protection film having a 45-degree light source fit index (FI(45)) of 0.4 or more and 0.62 or less as determined by the following formula 1: FI(45)=Wd/[Wc/(Rob(45)/Wc)]??formula 1.

Abstract: To provide a biaxially-oriented polyester film roll that is excellent in transparency and heat resistance and has less defects. A biaxially oriented polyester film roll of the present invention characterized by satisfying requirements (1) a winding length of the film roll, (2) a width of the film roll, (3) an average hardness of an outermost surface layer of the polyester film roll, (4) a variation in hardness, (5) a thickness of a polyester film of the polyester film roll, and (6) an irregularity of thickness in the maximum concave portion.

Abstract: To provide an adhesive laminate suitable for high-mix low-volume production without blurring of printing due to external rubbing or the like, or a security label using the adhesive laminate. An adhesive laminate comprising at least one laser-printed layer capable of being printed by laser irradiation, wherein the laser-printed layer includes a laser-printed portion and a non-printed portion, an absolute value of a difference between the color L* values of the printed portion and the non-printed portion is 1.0 or more and 10.0 or less, and a pressure-sensitive adhesive layer is provided on at least one surface of the adhesive laminate.

Abstract: An object is to provide an epoxy-based adhesive having excellent properties such as tensile shear properties with a base material, curability, and heat resistance. An adhesive composition containing an epoxy resin composition (A), a curing catalyst (B), and a thixotropic agent (C), wherein the epoxy resin composition (A) contains a reaction product (c) of an epoxy resin (a) and a compound (b) having a phenolic hydroxy group, wherein an area ratio of the reaction product (c) is more than 2.0%, and 10% or smaller when total of areas of the epoxy resin (a), the compound (b) having a phenolic hydroxy group, and the reaction product (c) is taken as 100% in the area ratio measured by gel permeation chromatography.

Abstract: Provided is a laminate that has excellent long-term heat resistance even when a metal substrate having a high surface roughness is used. A heat-resistant polymer film, an adhesive layer, and a metal substrate are layered in this order in the laminate. The laminate is characterized in that the adhesive layer is a silane coupling agent-derived adhesive layer and/or a silicone-derived adhesive layer, the adhesive strength F0 of the laminate prior to long-term heat resistance testing according to the 90 degree peel method is 0.05 N/cm to 20 N/cm inclusive, and the adhesive strength Ft of the laminate after long-term heat resistance testing according to the 90 degree peel method is larger than F0.

Abstract: Provided are a heat-sealable laminated film which has a high adhesion force at a laminated interface and has a good bonded state when being heat-sealed, and a roll obtained by rolling the heat-sealable laminated film. A heat-sealable laminated film includes a layer B, a layer A, and a layer B laminated by co-extrusion in this order. The layer A contains 100 to 70% by mass of a polymer A1 containing 90 to 100 mol % of a constitutional unit derived from 4-methyl-1-pentene with respect to all constitutional units. The layer B contains 99 to 30% by mass of a heat-sealable polyolefin B1 and 1 to 70% by mass of a copolymer B2 containing 60 to 89 mol % of a constitutional unit derived from 4-methyl-1-pentene and 11 to 40 mol % of a constitutional unit derived from an ?-olefin having 2 or more and 20 or less carbon atoms other than 4-methyl-1-pentene.

Abstract: The invention provides a laminated film which includes a substrate film, and a coating layer including a polyvinyl alcohol-based copolymer and an inorganic lamellar compound on at least one surface of the substrate film. The laminated film satisfies requirements (a) to (d): (a) the substrate film is a stretched film containing a propylene-based resin; (b) an attached amount of the coating layer is 0.10-0.50 g/m2; (c) in a total reflection infrared absorption spectrum of the laminated film, a ratio (P1/P2) of a peak intensity (P1) having an absorption maximum in a domain of 1040±10 cm?1 to a peak intensity (P2) having an absorption maximum in a domain of 3300±10 cm?1 is within a range of 3.0 to 25.0; and (d) a Martens hardness of a coating layer-side surface of the laminated film measured with a test force of 0.1 mN is 248 N/mm2 or less.