Abstract: To save washing water, a container washing facility for washing an inner surface of a can (2) before the can (2) is filled with a material includes a conveyor (9) that conveys the can (2) at least in a posture of being inverted with an opening (2a) of the can (2) facing downward, a cleaning air jetting unit (10) located along a conveying path of the can (2) conveyed by the conveyor (9) to jet cleaning air to the inner surface of the can (2) through the opening (2a) of the can (2) while the can (2) is being conveyed, and a washing water jetting unit (11) located along the conveying path of the can (2) conveyed by the conveyor (9) to jet washing water to the inner surface of the can (2) through the opening (2a) of the can (2) while the can (2) is being conveyed.

Abstract: A substrate for a printed wiring board includes a base layer, and a copper foil directly or indirectly stacked on at least a part of one or both surfaces of the base layer. The base layer includes a matrix containing a fluororesin as a main component and one or more reinforcing material layers included in the matrix, and a ratio B/A is 0.003 to 0.37, where A is an average thickness of the base layer, and B is an average distance between a surface of the copper foil facing the matrix and a surface of a reinforcing material layer closest to the surface of the copper foil facing the copper foil.

Abstract: According to one aspect of the present invention, a base material-less protective film used in a polarizing plate is provided, wherein the protective film comprises a core layer containing a resin made of a cured product, and an adhesion-improving layer provided on one surface of the core layer, and wherein a surface of the adhesion-improving layer forms one surface of the protective film, and the thickness of the protective film is less than 40 ?m, and the tensile break strength of the protective film is 30 N/mm2 or more.

Abstract: An aspect of the present invention provides an optical film 10 including a resin base material 11 and a functional layer 12, wherein a 5-?m square region on the front surface 10A of the optical film 10 is observed to have 1 or more and 50 or less depressions having any shape at least selected from a ring shape, a circular shape, and an irregular shape, when the square region is observed using an atomic force microscope after a rubber eraser abrasion test, in which the front surface 10A is rubbed 4,000 times with a rubber eraser in a reciprocating motion under a load of 500 g; the front surface 10A has a dynamic friction coefficient of 0.70 or less before the test; and the change rate of the dynamic friction coefficient of the front surface 10A between before and after the test is 35%.

Abstract: An aspect of the present invention provides an optical film 10 including a resin base material 11 and a functional layer 12, wherein a 5-?m square region on the front surface 10A of the optical film 10 is observed to have 1 or more and 50 or less depressions having any shape at least selected from a ring shape, a circular shape, and an irregular shape, when the square region is observed using an atomic force microscope after a rubber eraser abrasion test, in which the front surface 10A is rubbed 4,000 times with a rubber eraser in a reciprocating motion under a load of 500 g; the front surface 10A has a dynamic friction coefficient of 0.70 or less before the test; and the change rate of the dynamic friction coefficient of the front surface 10A between before and after the test is 35%.

Abstract: Provided are a functional film capable of achieving adhesion between a hard coat layer and a functional layer as well as achieving desired optical properties, and a polarizing plate and an image display device, both of which include the above functional film. One aspect of the present invention provides a functional film including a hard coat layer containing a binder resin and plural inorganic particles, and a functional layer closely attached to the front surface of the hard coat layer, wherein the hard coat layer includes a first region including a layer zone, in which denseness of the inorganic particles is 60% or more, from the front surface to a depth of 100 nm in the hard coat layer, and a second region, in which denseness of the inorganic particles is 59% or less, below a depth of 100 nm from the front surface in the hard coat layer.

Abstract: According to one aspect of the present invention, a base material-less protective film 20 used in a polarizing plate is provided, wherein the protective film 20 comprises a core layer 21 containing a resin made of a cured product, and an adhesion-improving layer 22 provided on one surface21A of the core layer 21, and wherein a surface 22A of the adhesion-improving layer 22 forms one surface 20A of the protective film 20, and the thickness of the protective film 20 is less than 40 ?m, and the tensile break strength of the protective film 20 is 30 N/mm2 or more.

Abstract: Provided are [1] an optical laminate comprising a substrate film, a transparent conductive layer and a surface protection layer in this order, wherein an average value of a surface resistivity measured according to JIS K6911 is in the range of 1.0×107 ?/? or more and 1.0×1010 ?/? or less, and a standard deviation ? of the surface resistivity is 5.0×108 ?/? or less, [2] an optical laminate comprising a substrate film, a transparent conductive layer and a surface protection layer in this order, wherein the substrate film is a cycloolefin polymer film, a ratio of a thickness of the substrate film to a thickness of the entire optical laminate is 80% or more and 95% or less, and a rate of elongation of the optical laminate at a temperature of 150° C., as measured using a dynamic viscoelasticity measuring apparatus under conditions of a frequency of 10 Hz, a tensile load of 50 N and a rate of temperature increase of 2° C./min, is 5.

Abstract: Provided is an optical layered body having excellent blocking resistance. The optical layered body includes a triacetyl cellulose substrate and a hard coat layer, the hard coat layer having fine surface roughness that has an average PV roughness Rtm of 2.2 to 11.5 nm, a base roughness depth R3z of 2.5 to 13.5 nm, and a ten-point average roughness Rz of 2.6 to 13.5 nm, and satisfy the relation Rtm<R3z?Rz.

Abstract: Provided is a hard coat film having high hardness and excellent restorability in view of the above circumstances. A hard coat film comprising: a light-transmitting substrate; and a hard coat layer, the hard coat layer comprising a cured product of a composition for a hard coat layer, the composition including an isocyanuric skeleton-containing urethane(meth)acrylate.

Abstract: Provided is a hard coat film having high hardness and excellent restorability in view of the above circumstances. A hard coat film comprising: a light-transmitting substrate; and a hard coat layer, the hard coat layer comprising a cured product of a composition for a hard coat layer, the composition including an isocyanuric skeleton-containing urethane(meth)acrylate.

Abstract: Provided is an optical layered body having excellent blocking resistance. The optical layered body includes a triacetyl cellulose substrate and a hard coat layer, the hard coat layer having fine surface roughness that has an average PV roughness Rtm of 2.2 to 11.5 nm, a base roughness depth R3z of 2.5 to 13.5 nm, and a ten-point average roughness Rz of 2.6 to 13.5 nm, and satisfy the relation Rtm<R3z?Rz.