Mitsubishi Rayon Company, Limited

Mitsubishi Chemical Corporation

Kanagawa Academy of Science and Technology

Kanagawa Institute of Industrial Science and Technology

Nippon Light Metal Company, Ltd.

Eiko Okamoto

Tsuyoshi Takihara

Hideki Masuda

Masashi Ikawa

Yusuke Nakai

Hiroshi Onomoto

Seiichiro Mori

Satoshi Sakuma

Yoshihiro Uozu

Hiroshi Niino

Go Otani

Yuji Matsubara

Jitsuo Hirohata

Takashi Yanagishita

Tadashi Nakamura

Katsuhiro Kojima

Takahiro Mukuda

Hiroko Shinada

Tetsuya Jigami

Satoru Ozawa

Fumiko Fujie

Hiroshi Hosokawa

Kota Shirai

Hiroaki Kita

Hiroki Fukuta

Hisakazu Ito

Tatsuhiro Hiraoka

Saori Kikuchi

Masayuki Saeki

Kikue Irie

Katsufumi Mochizuki

Hiroki Hamamoto

Seiji Tone

A polymer composition, in which a differential distribution value in a differential molecular weight distribution curve of the polymer composition, as measured by gel permeation chromatography, satisfies Equation 1 and a maximum value of a normalized back-scattering intensity of a 35 wt % base oil solution of the polymer composition, where a size q of a scattering vector of small-angle X-ray scattering at 25° C. is in a range of 0.07 nmor more and 2 nmor less, is 40 cmor more.

Polymer composition, lubricant additive, viscosity index improver, lubricant composition, method for producing polymer composition, and method for producing macromonomer

The present invention provides a resin composition including a vinylidene fluoride-based resin (A), having a crystal melting enthalpy of 10 to 45 J/g as measured with a differential scanning calorimeter, and having (2) Iof 60 or less as obtained by (1) a light scattering measurement.

Resin composition, molded article and film including vinylidene fluoride-based resin

A structural body which comprises a base and a microrelief structure layer having a microrelief structure. The microrelief structure layer is laminated on the base so as to form the surface layer of this structural body, and the microrelief structure layer has at least one physical property selected from the group consisting of (A) and (B) described below. (A) The elastic modulus at 25&#xb0; C. is 50 MPa or more, and the elastic modulus at 80&#xb0; C. is 30 MPa or less. (B) The tensile elongation at break at 80&#xb0; C. is from 20% to 100% (inclusive).

Microrelief structural body, decorative sheet, decorative resin molded body, method for producing microrelief structural body, and method for producing decorative resin molded body

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[V]) immediately before the process (a) is terminated and a time (t[sec]) required to reach the voltage (V[V]) after starting the application of voltage satisfy the following Equation (i) in the process (a).0.010&#x3c;&#x2003;&#x2003;(i)

Method of manufacturing mold, and molded article having fine relief structure on surface and method of manufacturing the same

This dispersion-type acrylic copolymer has a matrix (I) formed of an acrylic copolymer having a glass transition temperature of 50&#xb0; C. or higher and a polymer unit (II) formed of an acrylic copolymer having a glass transition temperature of less than 50&#xb0; C., the polymer unit (II) forms localized regions having an average diameter of 5-300 nm in the matrix (I), the matrix (I) and polymer unit (II) contain units of a crosslinking component, and the content of these units of a crosslinking component is more than 2% by mass relative to the total weight of the acrylic copolymer.

Dispersion-type acrylic copolymer

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)/2&#x3c;D2, where D1 is the current density when the aluminum substrate is anodized under the same conditions as in (a) in an electrolytic solution of only the acid (A) having the highest acid dissociation constant (Ka) of the two or more species of acid, and D2 is the current density when the aluminum substrate is anodized under the same conditions (a) in the same electrolytic solution as that of (a).

Method for manufacturing mold and method for manufacturing molded article having fine uneven structure 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.

Method for producing anodic porous alumina, method for producing molded article having microscopic pattern on surface, and molded article having microscopic pattern on surface

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&#xb0; 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 cmto 3100 cm, and peak area A2 having absorption maximum of 1730&#xb1;10 cm, is 0.1 to 0.8; in the surface of adhesive layer of the protective film, ratio (B1/B2) of peak area B1 having absorption maximum of 3700 cmto 3100 cm, and peak area B2 having absorption maximum of 1730&#xb1;10 cm, is 0.6 to 1.3.

Microscopic roughness structure with protective film and method thereof

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/W) of the height Hof the convex portions and the width Wof the bottoms of the convex portions is 1.3 or more, in the first surface, and the ratio (H/W) of the height Hof the convex portions and the width Wof the bottoms of the convex portions is larger than the ratio (H/W), in the second surface.

Antireflection article and display device

A laminate includes a substrate, and a surface layer laminated on the substrate with an intermediate layer sandwiched therebetween. The intermediate layer has a thickness of 8 to 40 &#x3bc;m. The surface layer has a thickness 0.4 to 1.5 times that of the intermediate layer. The laminate satisfies the following (A) and/or (B): (A) tan &#x3b4; (loss tangent) of the intermediate layer as measured under a condition of a vibration frequency of 1 Hz at 20&#xb0; C. is 0.2 or greater; and (B) A ratio (MG/SG) of a storage modulus (MG) of the intermediate layer to a storage modulus (SG) of the surface layer as measured under a condition of a vibration frequency of 1 Hz at 20&#xb0; C. is 0.003 or greater and 0.14 or less.

Laminate and method for manufacturing the same

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.

Active energy ray-curable resin composition, product having the uneven microstructure, and method for producing product having the uneven microstructure

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.

Active energy ray-curable resin composition, and production method for products with surfaces of fine concave-convex structures

A mold comprising alumina having a microscopic pattern, in which distances between adjacent recesses or salients therein are not longer than wavelength of visible light, formed by anodic oxidation on a surface of an aluminum pre-mold without a rolling mark, wherein height or depth difference at a crystal grain boundary is 300 nm or less.

Mold, process for producing mold, and process for producing sheet

Disclosed is an activation energy ray-curable resin composition comprising 70 to 95 parts by mass of a multifunctional monomer (A) which has a surface free energy of 37 mJ/mor more when cured and 5 to 30 parts by mass of a fluorine (meth)acrylate (B) which is compatible with the multifunctional monomer (A) (a total content of all monomers in the composition shall be 100 parts by mass), wherein the multifunctional monomer (A) has three or more radical polymerizable functional groups in a molecule and a value of a molecular weight thereof divided by the number of the radical polymerizable functional group (molecular weight/number of radical polymerizable functional group) is 110 to 200, and wherein the fluorine (meth)acrylate (B) has one or more radical polymerizable functional groups in a molecule.

Active energy ray-curable resin composition, nano ridge/groove structure using same and production method for said structure, and water repellent article provided with nano ridge/groove structure

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Otake, Japan

Eiko Okamoto