National Institute of Advanced Industrial Science and Technology

Dic Corporation

Sumitomo Seika Chemicals Co., Ltd.

Tomoegawa Co., Ltd.

IP Co., Ltd.

Kawasaki Jukogyo Kabushiki Kaisha

Agency of Industrial Science and Technology

Kyushu Institute of Technology

Institute of National Colleges of Technology, Japan

Kunimine Industries Co., Ltd.

Shizuoka Institute of Science and Technology

Takeo Ebina

Fujio Mizukami

Ryo Ishii

Michiya Nakashima

Noriyuki Hayashizaka

Satomi Hattori

Takahiro Ishida

Takafumi Aizawa

Yusho Usami

Hiromichi Hayashi

Hajime Tsuda

Tomoaki Harada

Katsumi Motegi

Daisuke Mishou

Tomoyuki Yamaguchi

Tomohito Inoue

Kiyoshi Kobayashi

Nobuhiko Teshima

Masayuki Yamashita

Tomoki Dohi

Tatsuhiro Okada

Takashi Iwasaki

Yoshio Onodera

Hiroyuki Tetsuka

Hiroshi Takashima

Katsuro Tsukamoto

Keiichi Okuyama

Keiichi Ikegami

Kumiko Akiba

Yusaku Goto

Yoshito Wakui

Emiko Tomon

Yasuhiro Saura

Midori Saura

Yasukatu Matukawa

Hitoshi Mimura

Shinsuke Kimura

Shoji Kamiya

Shinichi Iwata

Koichi Yonemoto

Yasuhisa Hasegawa

Yasutaka Oka

Kazunori Kawasaki

Daisuke Misho

Asami Suzuki

Hyun-Jeong Nam

An object of the present invention is to provide an improved partial discharge-resistant electrical insulating resin composition that can inhibit deterioration of an insulator due to partial discharge. The partial discharge-resistant electrical insulating resin composition of the present invention comprises boehmite alumina and a resin.

Electrical insulating resin composition for partial-discharge resistance

A resin composition is provided that contains a urethane resin and a smectite with partially immobilized lithium.

Resin composition, molded article, laminate, gas barrier material, coating material and adhesive

The present invention, in an aspect, provides a resin composition that contains a vinyl polymer and a smectite with partially immobilized lithium.

Resin composition, molded article, laminate, gas barrier material, coating material, and adhesive

Disclosed herein is a coating agent containing a synthetic organically-modified clay comprising a synthetic clay and an organic modification agent, a resin, and an organic solvent, wherein the organic solvent is contained in an amount within the range of 5-70 parts by weight with respect to 30 parts by weight of the resin, and contains at least two selected from the group consisting of toluene, xylene, and ethylbenzene; a protective film using the same; and a product provided with the protective film.

Coating agent containing clay, resin, and organic solvent, protective film using same, and product

A resin composition contains a polyester polyol and a smectite with partially immobilized lithium.

Resin composition, molded body, laminate, gas barrier material, coating material, and adhesive

Molded coil

The present invention provides a film for a back sheet of a solar cell exhibiting excellent water vapor barrier properties, water resistance and gas barrier properties, has flexibility and mechanical strength and has excellent heat stability, and a method for producing the film. The present invention is a water vapor barrier film comprising a clay membrane coated on a PET substrate, wherein the clay membrane is formed of clay and an additive; the weight ratio of the clay relative to the total sold is 60 to 90% by weight in the clay membrane; the production process thereof comprises a water resistance imparting heat treatment at 100 to 200&#xb0; C. after the coating and drying; the film has a water vapor transmission rate of less than 3 g/m&#xb7;day; the additive in the modified clay is a polyimide; and at least 90% by mole of exchangeable ions is lithium ion, and a method for producing the water vapor barrier film. The above film exhibits water vapor barrier properties and is useful as a back sheet for a solar cell and the like.

Water vapor barrier film and method for producing same

To provide a composite that can find application to various uses in a wide spectrum of fields, for example, sealing members, such as a joint sheet, a gasket and a packing, for use in junction portions, etc. of pipings of power plant and chemical plant, radiation sheets, electromagnetic wave shielding members, soundproof sheets, etc., and provide a process for producing the composite; a gasket or packing based on the composite and a clay dispersion liquid used for the composite. There is provided a composite composed mainly of graphite and clay and having the structure of graphite laminated with and/or impregnated with clay. The composite is produced by subjecting an exfoliated graphite sheet or film or a molding therefrom to coating with and/or immersion in a clay dispersion liquid with clay particles dispersed therein, or by laminating together of an exfoliated graphite sheet and/or film and a sheet and/or film composed mainly of clay. Further, a gasket or packing is produced by molding the composite.

Graphite clay composite material, process for producing the same, gasket or packing comprising the composite material, and clay dispersion used for the composite material

A perovskite phosphor film emitting red light from among the three primary colors (i.e., red, green and blue) underlying the construction of displays which is fabricated by adsorbing a nanosheet as a seed layer on a solid substrate and forming an oriented film of an oxide phosphor thereon, characterized in that the perovskite phosphor film comprises a film of an oxide phosphor () having a high transparency that is formed on a seed layer comprising a nanosheet () that is adsorbed on a solid substrate () such as a glass substrate or the like, and the oxide phosphor () is (SrCa)PrTiO: 0&#x2266;x&#x2266;0.8, 0.001&#x2266;y&#x2266;0.01.

Perovskite phosphor film

The present invention provides a novel technology and a novel material having excellent pliability, gas barrier properties and water resistance, for the technical fields of packaging materials, sealing materials, electric insulating materials and the like, the present invention relates to a film of a material having a denatured clay as a main constituent thereof, wherein (1) the film comprises a denatured clay and an additive, (2) the weight ratio of the denatured clay is not less than 70% relative to total solids, (3) the film has gas barrier properties and water-vapor barrier properties, (4) the film has heat resistance, (5) the film has water resistance, (6) the film has sufficient mechanical strength to be used as a self-supporting film, and (7) the film can be formed on the surface of metals, plastics, rubber, paper and the like, and the present invention can provide a material comprising the denatured clay film in which denatured clay particles are highly oriented and which has excellent heat resistance, excellent pliability, excellent gas barrier properties, excellent water-vapor barrier properties, and high water resistance.

Film made from denatured clay

A method for producing a clay thin film, which is formed of clay alone or in combination with an additive and has a structure where oriented clay particles are laminated, the method including paste-making in which clay alone or in combination with an additive are dispersed in a dispersion medium formed of water, an organic solvent, or a mixed solvent of water and an organic solvent to prepare clay paste; coating in which a thin film is formed by coating the clay paste on a substrate; planarization in which the thin film is planarized; drying in which water, an organic solvent, or water and an organic solvent are removed from the thin film; and separation in which the thin film is separated from the substrate.

Method for producing clay thin film

The present invention provides a clay film and a member thereof, having low moisture permeability and gas permeability, having mechanical strength enabling use as a self-supporting film, having high flexibility and high heat resistance, being an electrical insulator and having low thermal conductivity; a clay film comprising clay alone, clay and a small amount of a reinforcing material, or clay, a small amount of an additive and a small amount of a reinforcing material and subjected to surface treatment; a clay film comprising clay and a small amount of a reinforcing material, or clay, a small amount of an additive and a small amount of a fibrous reinforcing material, and having gas impermeability; a multilayer film comprising a fabric and clay and having a composite multilayer structure comprising a clay layer and a fabric; and, an adhesive clay film having clay for a main component thereof and a single layer or multilayer structure in which an adhesive layer is preset on the clay film.

Clay film product

The present invention provides a novel technology and a novel transparent material having high thermal stability, excellent pliability, surface smoothness, dimensional stability and gas barrier properties, for the technical fields of packaging materials, sealing materials and display materials, and the invention relates to an inorganic layered compound film having oriented inorganic layered compound particles, exhibiting high surface smoothness, high dimensional stability, high transparency, excellent pliability, excellent gas barrier properties and high heat resistance, that is obtained by dispersing an inorganic layered compound of high transparency and a small amount of water-soluble polymer of high transparency in water or a liquid having water as a main component thereof, to thereby obtain a homogenous dispersion containing no agglomerates, applying thereafter this dispersion onto a support having a flat and water-layered compound particles, and separating the liquid, as a dispersion medium, according to any of various solid-liquid separation methods, for example, centrifugation, filtration, vacuum drying, vacuum freeze drying, evaporation by heating or the like to thereby attain formation into a film shape, and optionally followed by methods such as drying/heating/cooling to thereby effect detachment from the support.

Transparent film

There are provided a carbon fiber reinforced prepreg of gas barrier properties comprising a sheet-like carbon fiber reinforcement and a matrix resin including therein a gas barrier layer having a clay mineral with a plate-like crystal structure unidirectionally aligned and densely laminated, and a carbon fiber reinforced plastic produced from the carbon fiber reinforced prepreg. Such prepreg is obtained by disposing a film material of gas barrier properties having a clay mineral with a plate-like crystal structure unidirectionally aligned and densely laminated, in at least one interlayer of a laminate of a carbon fiber reinforced prepreg comprising a sheet form carbon fiber reinforcement and a matrix resin; and then heating and/or pressurizing the laminate. The carbon fiber-reinforced composite material of the invention exhibits high gas barrier properties, and particularly hydrogen gas barrier properties.

Carbon fiber reinforced prepreg of gas barrier properties, carbon fiber reinforced plastic and methods of producing the same

Growing community of inventors

Sendai, Japan

Takeo Ebina