Patent application number | Description | Published |
20110318539 | PROCESS FOR PRODUCING FILM - The present invention provides a method making it possible to stably prepare a transparent film in which a cured layer having a micro protrusion and recess face structure is formed on the surface of a base material film. The preparation method of the present invention includes a step of sandwiching an active energy beam-curable resin composition including a photopolymerization initiator which can initiate polymerization of a polymerizable compound by absorbing light between the surface of a base material film which is supported by a supporting film, and a mold which has an inverse structure of the micro protrusion and recess face structure on the surface; a step of obtaining the transparent film supported by the supporting film by means of irradiating the active energy beam-curable resin composition with ultraviolet rays from the supporting film side; and a step of separating the transparent film and the mold. | 12-29-2011 |
20120127580 | ANTIREFLECTION ARTICLE AND DISPLAY DEVICE - The present invention relates to an antireflection article of which the first surface has sufficient abrasion resistance and can suppress reflectance to a low level throughout the visible light region, and a display device. The present invention relates to an antireflection article that has light transmittance, in which a plurality of convex portions are disposed on a first surface positioned at a visible side and a second surface opposite to the first surface, the average gap of the convex portions is 400 nm or less, the ratio (H | 05-24-2012 |
20130011572 | ACTIVE ENERGY RAY-CURABLE RESIN COMPOSITION, AND PRODUCTION METHOD FOR PRODUCTS WITH SURFACES OF FINE CONCAVE-CONVEX STRUCTURES - The present invention relates to a production method for a product having a cured resin layer with a fine concave-convex structure formed on the surface of a substrate, the method including filling the space between a mold having a fine concave-convex structure composed of anodized alumina on the surface and a substrate with an active energy ray-curable resin composition, and curing the composition by irradiation with active energy rays, thereby forming a cured resin layer into which the fine concave-convex structure has been transferred on the surface of the substrate, wherein (A) the method includes treating the surface of the mold with a release agent, at least at transfer initiation, and (B) the active energy ray-curable resin composition includes a polymerizable compound, a polymerization initiator and a (poly)oxyethylene alkyl phosphate ester compound. | 01-10-2013 |
20130302564 | ACTIVE ENERGY RAY-CURABLE RESIN COMPOSITION, PRODUCT HAVING THE UNEVEN MICROSTRUCTURE, AND METHOD FOR PRODUCING PRODUCT HAVING THE UNEVEN MICROSTRUCTURE - The present invention provides an active energy ray-curable resin composition comprising at least a multifunctional monomer having three or more radical polymerizable functional groups in the molecule in which the cured product of the composition exhibits anti-reflective function because of an uneven microstructure formed on the surface of the cured product, and provides a product having the uneven microstructure having high decontaminating properties such as fingerprint removal properties and high scratch resistance. | 11-14-2013 |
20140205805 | MICROSCOPIC ROUGHNESS STRUCTURE WITH PROTECTIVE FILM AND METHOD THEREOF - In a protective film affixed to a microscopic roughness structure having a microscopically rough structure on the surface, water contact angle of the surface of the microscopic roughness structure is 40° or less, compressive stress obtainable when the adhesive layer of the protective film is compressed to a compression ratio of 20% is 0.6 MPa to 3.0 MPa; in the infrared absorption spectrum of the surface on the microscopically rough structure side of the microscopic roughness structure, ratio (A1/A2) of peak area A1 having absorption maximum of 3700 cm | 07-24-2014 |
20150140268 | METHOD FOR MANUFACTURING MOLD AND METHOD FOR MANUFACTURING MOLDED ARTICLE HAVING FINE UNEVEN STRUCTURE ON SURFACE - A method for manufacturing a mold includes (a) anodizing an aluminum substrate at a voltage of 60 V to 120 V in an electrolytic solution in which two or more species of acid are mixed, and forming an oxide film having a plurality of minute holes on a surface of the aluminum substrate; and (b) removing at least a portion of the oxide film. The electrolytic solution used in (a) satisfies the relation (D1)/205-21-2015 | |
20150290844 | METHOD OF MANUFACTURING MOLD, AND MOLDED ARTICLE HAVING FINE RELIEF STRUCTURE ON SURFACE AND METHOD OF MANUFACTURING THE SAME - The present invention relates to a method of manufacturing a mold having an oxide film with a plurality of pores formed on a surface of an aluminum substrate, the method including (a) a process of applying a voltage to a machined aluminum substrate and anodizing a surface of the aluminum substrate to form an oxide film; and (b) a process of removing at least a part of the oxide film formed in the process (a), wherein a voltage (V | 10-15-2015 |
20150299888 | METHOD FOR PRODUCING ANODIC POROUS ALUMINA, METHOD FOR PRODUCING MOLDED ARTICLE HAVING MICROSCOPIC PATTERN ON SURFACE, AND MOLDED ARTICLE HAVING MICROSCOPIC PATTERN ON SURFACE - This method for producing anodic porous alumina such that an oxide coating film having a plurality of minute pores is formed at the surface of an aluminum substrate is characterized by containing: a step (a) for immersing the aluminum substrate in an electrolytic liquid resulting from mixing a plurality of acids; a step (b) for imposing a voltage on the aluminum substrate immersed in the electrolytic liquid; a step (c) for holding the aluminum substrate in the state of being immersed in the electrolytic liquid essentially without imposing a voltage on the aluminum substrate; and a step (d) for alternately repeating step (b) and step (c). By means of the present invention, it is possible using a simple device and with few steps to provide a method that easily produces anodic porous alumina such that an oxide coating film having a plurality of minute pores is formed at the surface of an aluminum substrate. | 10-22-2015 |