Abstract: A porous film includes a porous substrate, and a porous layer laminated on at least one surface of the porous substrate. The porous layer contains an organic resin different from a resin constituting the porous substrate. A height of a projection of the porous layer in an interface between the porous substrate and the porous layer is 200 nm or more, and a distance between projections is 1 ?m or more.

Abstract: A porous film includes a porous base and a porous layer containing particles A disposed at least on one side thereof, wherein the particles A contain a mixture including a polymer formed from a fluorine-containing (meth)acrylate monomer and a polymer formed from a (meth)acrylate monomer having a hydroxyl group or a copolymer including a fluorine-containing (meth)acrylate monomer and a (meth)acrylate monomer having a hydroxyl group, with the (meth)acrylate monomer having a hydroxyl group accounting for more than 2 mass% and 30 mass% or less of all components of the particles A, which account for 100 mass%.

Abstract: A porous film includes a porous substrate and, on at least one surface of the porous substrate, a porous layer including inorganic particles and organic particles A, the organic particles A having adhesiveness to electrodes. The inorganic particle content in the porous layer is 50% by mass to 95% by mass. In 50 measurements of the surface elastic modulus of the porous layer, the value of ?/? is 10 to 40, where ? is the surface elastic modulus indicating the inorganic particles, and ? is the minimum of the measured values, and the percentage of the 50 measured values that are included in the range from ? to 2? is 30% to 100%.

Abstract: A porous film has a porous substrate and, on at least one surface of the porous substrate, porous layer that contains particles A. The particles A have a mixture containing a polymer that includes fluorine-containing (meth)acrylate monomers and a polymer that includes monomers having two or more reactive groups per molecule, or the particles A have a copolymer containing fluorine-containing (meth)acrylate monomers and monomers that have two or more reactive groups per molecule. The monomers having two or more reactive groups per molecule are contained in the particles A in an amount ranging from greater than 10% by mass to not more than 30% by mass, where all components of the particles A are assumed to constitute 100% by mass.

Abstract: At low cost, a porous film has high thermal film rupture resistance and outstanding battery characteristics. The porous film has a porous layer on at least one surface of a porous substrate, and if the surface porosity of the porous layer is defined as ? and the cross-sectional void ratio of the porous layer is defined as ?, then ?/? does not exceed 90%.

Abstract: A low cost porous film has high thermal dimensional stability and good adhesion with electrodes and also has excellent battery characteristics. The porous film includes a porous base and a porous layer containing particles A and particles B disposed at least on one side thereof, wherein the particles A contain a polymer having at least one selected from the monomer unit group a that consists of fluorine-containing (meth)acrylate monomer units and silicon-containing monomer units whereas the particles B are inorganic particles.

Abstract: A porous film includes a porous substrate, and a porous layer provided on at least one surface of the porous substrate. The porous layer includes the following resin A and resin B, and satisfies that ?/? is less than 1.0, where ? is a surface opening ratio of the porous layer and ? is a cross-sectional porosity of the porous layer. The resin A is a resin having a melting point of 150° C. or higher, or a resin having no substantial melting point. The resin B is a resin having a melting point of lower than 150° C., or an amorphous resin.

Abstract: A porous film includes: a porous substrate; and a porous layer provided on at least one surface of the porous substrate. The porous layer includes a first porous layer containing the following resin A, and a second porous layer containing the following resin B on the first porous layer, and a mixed-layer thickness (HC) of the first porous layer and the second porous layer is 0.1 ?m or more and 1.0 ?m or less: resin A: a resin having a melting point of 150° C. or higher, or a resin having no substantial melting point; and resin B: a resin having a melting point of lower than 150° C., or an amorphous resin.

Abstract: A porous film includes a porous substrate, and a porous layer laminated on at least one surface of the porous substrate. The porous layer contains an organic resin different from a resin constituting the porous substrate. A height of a projection of the porous layer in an interface between the porous substrate and the porous layer is 200 nm or more, and a distance between projections is 1 ?m or more.

Abstract: A porous film includes a porous substrate, and a porous layer provided on at least one surface of the porous substrate. The porous layer includes the following resin A and resin B, and satisfies that ?/? is less than 1.0, where ? is a surface opening ratio of the porous layer and ? is a cross-sectional porosity of the porous layer. The resin A is a resin having a melting point of 150° C. or higher, or a resin having no substantial melting point. The resin B is a resin having a melting point of lower than 150° C., or an amorphous resin.

Abstract: A secondary battery separator includes a porous base material; and a porous layer stacked on at least one surface of the porous base material, the porous layer being mainly composed of inorganic particles, and two or more organic resins having different melting points, the porous layer including a fluororesin as at least one of the organic resins, the secondary battery separator satisfying at least one of (A) and/or (B): (A) the porous layer has a melting point of 130° C. or higher and 20° C. or higher and lower than 130° C.; and (B) the porous layer has a melting point of 130° C. or higher, and includes an amorphous organic resin.

Abstract: At low cost, a porous film has high thermal film rupture resistance and outstanding battery characteristics. The porous film has a porous layer on at least one surface of a porous substrate, and if the surface porosity of the porous layer is defined as ? and the cross-sectional void ratio of the porous layer is defined as ?, then ?/? does not exceed 90%.

Abstract: A porous film has a porous layer containing inorganic particles and a heat-resistant resin on at least one surface of a porous substrate, and wherein the heat-resistant resin is (A) a resin that has a melting point of 200° C. or higher or (B) a resin that has no melting point. This porous film has an area thermal shrinkage of 25% or less at 140° C., while having a variation in light transmittance at a wavelength of 800 nm of 15% or less in the length direction as measured at intervals of 5 m.

Abstract: A secondary battery separator includes a porous base material; and a porous layer stacked on at least one surface of the porous base material, the porous layer being mainly composed of inorganic particles, and two or more organic resins having different melting points, the porous layer including a fluororesin as at least one of the organic resins, the secondary battery separator satisfying at least one of (A) and/or (B): (A) the porous layer has a melting point of 130° C. or higher and 20° C. or higher and lower than 130° C.; and (B) the porous layer has a melting point of 130° C. or higher, and includes an amorphous organic resin.

Abstract: A secondary battery separator includes a porous substrate; and a porous layer laminated on at least one surface of the porous substrate, the porous layer comprising fluorine resin particles and inorganic particles; wherein the fluorine resin particles are formed using a fluorine resin having a weight-average molecular weight of 100,000 or more and 5,000,000 or less, and have an average particle size of 0.01 ?m or more and 1.00 ?m or less; and wherein the inorganic particles have an average particle size of 0.10 ?m or more and 5.0 ?m or less.

Abstract: A secondary battery separator includes a porous base material; and a porous layer stacked on at least one surface of the porous base material and containing organic resin fine particles having an average particle size of 0.02 ?m or more and less than 0.40 ?m, the porous layer having a thickness of 0.10 ?m or more and less than 2.5 ?m.

Abstract: A transparent conductive laminate comprising a substrate comprising a thermoplastic resin A, and a layer laminated on one surface of the substrate, the layer having at least carbon nanotubes and a thermoplastic resin B, wherein the transparent conductive laminate undergoes a surface resistance change (VR1) of 8-fold or less during molding at a molding magnification of 2, and has a surface resistance, as measured after being molded at a molding magnification of 2, of 1.0×105?/? or less. Provided is a transparent conductive laminate whose surface resistance change after molding (R) is reduced.

Abstract: A filter for a display includes a laminated body wherein a resin layer is laminated on a conductive layer so as to reduce cost and has sufficient reflection preventing characteristics and luster. The filter for a display includes a conductive layer composed of a conductive mesh; and resin layer wherein at least a hard coat layer and a reflection preventing layer are laminated in this order on the conductive layer. The resin layer includes a recessed structure at a portion where the conductive mesh does not exist and includes a protruding structure at a portion where the conductive mesh exists. The resin occupancy R of the protruding structure is 5% or more but less than 20%.

Abstract: A display-use filter, which comprises a laminated body comprising a transparent substrate, light-shielding convex portions formed on the transparent substrate, a resin layer stacked on the light-shielding convex portions and a non-convex area existing between the light-shielding convex portions, wherein a concave section of the resin layer is formed in the non-convex area, and the resin layer has a center-line average roughness Ra in a range from 50 to 500 nm.