Abstract: A hard coat layer on which adhered fingerprints are inconspicuous is provided. The hard coat layer 1 consists of a cured product. The cured product is formed by curing a curable composition by irradiating it with an ultraviolet ray. The curable composition contains a curable resin. The curable resin contains reactive monomers. The reactive monomers contain an isocyanuric acid derivative. The isocyanuric acid derivative is preferably tri(meth)acrylate of an ethylene oxide and ?-caprolactone adduct of isocyanuric acid.

Abstract: The present invention provides a film for optical use wherein interference patterns are inconspicuous, while hard coat properties and image sharpness are maintained. In the film for optical use, an undercoat layer 22 is disposed between a base material layer 21 and a resin layer 23 having hard coat properties. Refractive index na of the base material layer 21, refractive index nb of the undercoat layer 22 and refractive index nc of the resin layer 23 satisfy the relationship of na?nb?nc or na?nb?nc (provided that na?nc). The difference between the refractive index na of the base material layer 21 and the refractive index nb of the resin layer 23 is 0.5 or smaller. Since the difference of refractive indexes of adjacent layers is low, interference unevenness can be suppressed and image sharpness can be maintained.

Abstract: A fingerprint easily erasable film formed by providing a resin layer on a substrate, in which surface of the resin layer is matted and which is formed so that the surface of the resin layer should show a wet tension (JIS-K 6768:1999) of 25 mN/m or higher. Preferably, the resin layer has a surface roughness of 0.2 to 2.0 ?m in terms of the ten point mean roughness Rz (JIS-B 0601:1994). The resin layer preferably contains an ionizing radiation curable resin and a matting agent, more preferably, two kinds of matting agents having different average particle diameters. On the fingerprint easily erasable film having such a configuration, ingredients of fingerprint are unlikely to adhere, and even if ingredients of fingerprint adhere, the ingredients of fingerprint can be removed substantially completely or to such a degree that they cannot be visually observed by wiping with cloth or the like.

Abstract: There is provided an anti-Newton ring sheet having an excellent anti-sparkle property, which can prevent the generation of sparkles when it is used in a touch panel using a high-definition color display, and a touch panel using this anti-Newton ring sheet. The anti-Newton ring sheet 1 of the present invention has an anti-Newton ring layer 3 comprising ionizing radiation curable organic-inorganic hybrid resin (binder component 32) and fine particles 31 on one surface of a transparent substrate 2, and preferably the mean diameter and the coefficient of variation of the diameter of the particle 31 is not less than 0.5 ?m and not more than 3.0 ?m and not less than 20% and not more than 80%, respectively, and the thickness of the anti-Newton ring layer 3 is preferably not less than 0.2 ?m and not more than 3.5 ?m.

Abstract: A film for insert molding comprising a base material film and a hard coat layer provided on at least one surface of the base material film, wherein the hard coat layer is formed from an ionizing radiation curable resin containing a reactive monomer having a cyclo ring structure containing at least one kind of element selected from carbon, nitrogen, oxygen, and silicon. The hard coat layer of this film for insert molding has sufficient surface hardness, and can prevent cracks which are likely to be generated at the time of molding (it has superior anti-cracking property).

Abstract: The hard coat film 1 of the present invention shows a contact angle for water of 110 degrees or smaller and a contact angle for camellia oil of 50 degrees or smaller. According to the present invention, even if fingerprints are adhered to the hard coat film 1, these fingerprints are inconspicuous. The hard coat film 1 of the present invention preferably shows a contact angle for water of 50 degrees or larger and a wet tension of 27 to 45 mN/m. With these characteristics, in addition to inconspicuousness of fingerprints, wiping-off property for fingerprints is improved.

Abstract: A hard coat layer on which adhered fingerprints are inconspicuous is provided. The hard coat layer 1 consists of a cured product. The cured product is formed by curing a curable composition by irradiating it with an ultraviolet ray. The curable composition contains a curable resin. The curable resin contains reactive monomers. The reactive monomers contain an isocyanuric acid derivative. The isocyanuric acid derivative is preferably tri(meth)acrylate of an ethylene oxide and ?-caprolactone adduct of isocyanuric acid.

Abstract: The present invention provides a film for optical use wherein interference patterns are inconspicuous, while hard coat properties and image sharpness are maintained. In the film for optical use, an undercoat layer 22 is disposed between a base material layer 21 and a resin layer 23 having hard coat properties. Refractive index na of the base material layer 21, refractive index nb of the undercoat layer 22 and refractive index nc of the resin layer 23 satisfy the relationship of na?nb?nc or na?nb?nc (provided that na?nc). The difference between the refractive index na of the base material layer 21 and the refractive index nb of the resin layer 23 is 0.5 or smaller. Since the difference of refractive indexes of adjacent layers is low, interference unevenness can be suppressed and image sharpness can be maintained.

Abstract: A transparent hard coat film having excellent hardness and transmitted resolution, in which an interference fringe attributable to non-uniform thickness of the transparent hard coat layer is not noticeable, is provided. The transparent hard coat film of the invention has a transparent hard coat layer formed on at least one surface of a transparent polymer film, wherein the transparent hard coat film has a b* value in the L*a*b* color space system of 0.5 or less.

Abstract: An antistatic hard coat film showing antistatic property and antireflection property for outer lights as well as superior hard coat properties such as superior surface hardness and antiscratching property is provided. The antistatic hard coat film of the present invention comprises an antistatic hard coat layer formed from an ionizing radiation curable resin, a pigment and a polymer antistatic agent having an organopolysiloxane unit and a quaternary ammonium salt unit, and the hard coat layer contains 1 to 5% by weight of the pigment. Weight ratio of the ionizing radiation curable resin and the polymer antistatic agent is preferably 6:4 to 5:5.

Abstract: To provide a surface protective sheet having superior anti-ultraviolet property and exhibiting little yellow tint. The surface protective sheet of the present invention has an anti-ultraviolet layer on at least one surface of a plastic film, and the anti-ultraviolet layer comprises an ultraviolet absorber, an ionizing radiation curable resin composition, and spherical microparticles having a mean particle diameter of 1 to 20 ?m, and the microparticles are contained in an amount of 0.4 to 3% by weight in the anti-ultraviolet layer. The anti-ultraviolet layer preferably contains 0.01 to 1% by weight of organopolysiloxane.

Abstract: There is provided an anti-Newton ring sheet having an excellent anti-sparkle property, which can prevent the generation of sparkles when it is used in a touch panel using a high-definition color display, and a touch panel using this anti-Newton ring sheet. The anti-Newton ring sheet 1 of the present-invention has an anti-Newton ring layer 3 comprising ionizing radiation curable organic-inorganic hybrid resin (binder component 32) and fine particles 31 on one surface of a transparent substrate 2, and preferably the mean diameter and the coefficient of variation of the diameter of the particle 31 is not less than 0.5 ?m and not more than 3.0 ?m and not less than 20% and not more than 80%, respectively, and the thickness of the anti-Newton ring layer 3 is preferably not less than 0.2 ?m and not more than 3.5 ?m.

Abstract: A fingerprint easily erasable film formed by providing a resin layer on a substrate, in which surface of the resin layer is matted and which is formed so that the surface of the resin layer should show a wet tension (JIS-K 6768:1999) of 25 mN/m or higher. Preferably, the resin layer has a surface roughness of 0.2 to 2.0 ?m in terms of the ten point mean roughness Rz (JIS-B 0601:1994). The resin layer preferably contains an ionizing radiation curable resin and a matting agent, more preferably, two kinds of matting agents having different average particle diameters. On the fingerprint easily erasable film having such a configuration, ingredients of fingerprint are unlikely to adhere, and even if ingredients of fingerprint adhere, the ingredients of fingerprint can be removed substantially completely or to such a degree that they cannot be visually observed by wiping with cloth or the like.

Abstract: In a transparent hard coat film, in which a transparent hard coat layer is formed on at least one surface of a transparent polymer film, the transparent hard coat layer is composed of at least an ionizing radiation curable organic-inorganic hybrid hard-coat agent and inorganic particles having a mean particle diameter of 1-10 ?m. The organic-inorganic hybrid hard-coat agent preferably contains reactive silica. Such a transparent hard coat film of the present invention has well-balanced anti-glare effect and resolution and yet has hardness that is typically expressed as surface hardness.

Abstract: In a transparent hard coat film, in which a transparent hard coat layer is formed on at least one surface of a transparent polymer film, the transparent hard coat layer is composed of at least ionizing radiation curable organic-inorganic hybrid hard-coat agent and inorganic particles having a mean particle diameter of 1-10 &mgr;m. The organic-inorganic hybrid hard-coat agent preferably contains reactive silica. Such a transparent hard coat film of the present invention has well-balanced anti-glare property and resolution and yet has hard coat property that is typically expressed by surface hardness.

Abstract: A transparent hard coat film having an excellent hard coat property and transmitted resolution, in which an interference fringe attributable to ununiform thickness of the transparent hard coat layer is not noticeable, is provided. The transparent hard coat film of the invention has a transparent hard coat layer formed at least on one surface of a transparent polymer film, wherein the transparent hard coat film has a b* value in L*a*b* color space system of 0.5 or less. As a result of the diligent study conducted by the inventors, it was found that the interference fringe attributable to ununiform thickness of the transparent hard coat layer could be made unnoticeable by making the b* value of the film in L*a*b* color space system small.

Abstract: A transparent hard coat film includes a transparent polymer film and one or more transparent hard coat layers including at least an ionizing radiation curable resin and two or more kinds of inorganic particles having different average diameters. The transparent hard coat film prevents glare of a color screen when it is placed on a high definition color display. It also prevents glare caused by external light without causing blurring of the screen images due to degradation of transparency and improves visibility of the display.

Abstract: An adhesive layer composed of at least an ionizing radiation curable resin binder, a thermoplastic resin binder and two or more matting agents having different average diameters is formed on a transparent polymer film to obtain a support film for a transparent conductive thin film. Alternatively, a transparent hard coat layer containing at least an ionizing radiation curable resin binder and,a matting agent having an average diameter of 1-15 &mgr;m, and an adhesive layer containing at least an ionizing radiation curable resin binder, a thermoplastic resin binder and a matting agent having an average diameter of 5-50 nm are formed on a transparent polymer film. The thus obtained support film is excellent in durability when the transparent conductive thin film is formed thereon and prevents occurrence of a Newton-ring, which is produced in a touch panel of the conventional liquid crystal display.