Mitsubishi Chemical Corporation

Honda Elesys Co., Ltd.

Kabushiki Kaisha Toshiba

Asahi Glass Company, Limited

Mistubishi Chemical Corporation

Takayuki Kobayashi

Takeshi Ishikawa

Masao Tomioka

Akira Abe

Atsushi Takahashi

Takahiro Hayashi

Toru Kuriyama

Takuya Teranishi

Saki Fujita

Rohana Chandratilleke

Yasumi Ohtani

Kenichi Watanabe

Keigo Yoshida

Tatsuya Yoshino

Akinobu Sasaki

Hiroshi Tategaki

Morio Katagiri

Masahiro Oosuka

Junichi Nakamura

Hideki Nakagome

Hiroshi Hatano

Takashi Kijima

Hiroki Sekiya

Akio Tanaka

Hiroko Shinada

Hisayasu Mitsui

Susumu Mine

Hideo Hatakeyama

Ryo Tamamura

Eri Masuda

Tamiko Hirumachi

Tomomi Hattori

Takahiro Tsuchihashi

Hideshige Moriyama

Sei Murai

Hideaki Oonishi

Takaaki Sera

Jyun Matsui

Shunji Takakusa

Hiroshi Ogata

Akihiro Miyake

A production method for fiber-reinforced plastic, includes: a step in which a material (A) including a prepreg base material is obtained, said prepreg base material having cuts therein and having a thermoplastic resin impregnated in reinforcing fibers arranged in parallel in one direction; a step in which a pressurizing device is used that applies a substantially uniform pressure in a direction (X) orthogonal to the travel direction of the material (A) and the material (A) is caused to travel in the one direction and is pressurized while being heated to a prescribed temperature (T), an angle (&#x3b8;) of &#x2212;20&#xb0; to 20&#xb0; being formed between the orthogonal direction (X) and a fiber axial direction (Y) for the reinforcing fibers of the prepreg base material; and a step in which the material (A) pressurized by the pressurizing device is cooled and the fiber-reinforced plastic is obtained.

Fiber-reinforced plastic and production method therefor

The purpose of the present invention is to obtain a fiber-reinforced plastic that is capable of controlling anisotropy, has excellent mechanical characteristics, has little variation, has excellent heat resistance, and has good fluidity during forming. A production method for fiber-reinforced plastic, having: a step in which a material (A) () including a prepreg base material is obtained, said prepreg base material having cuts therein and having a thermoplastic resin impregnated in reinforcing fibers () arranged in parallel in one direction; a step in which a pressurizing device is used that applies a substantially uniform pressure in a direction (X) orthogonal to the travel direction of the material (A) () and the material (A) () is caused to travel in the one direction and is pressurized while being heated to a prescribed temperature (T), an angle (.theta.) of &#x2212;20-20 .degree. being formed between the orthogonal direction (X) and a fiber axial direction (Y) for the reinforcing fibers () of the prepreg base material; and a step in which the material (A) () pressurized by the pressurizing device is cooled and the fiber-reinforced plastic is obtained.

A (meth)acrylic acid copolymer (A) having a weight average molecular weight of 1000 to 1,000,000, and in which when the half-width of the primary scatter peak when measured by small angle X-ray scattering is defined as X, 0.12&#x3c;X, is used as an adhesive. The (meth)acrylic copolymer (A) is obtained by polymerizing a monomer mixture containing a macromonomer (a) having a number average molecular weight of 500-100,000, and a vinyl monomer (b). The adhesive has sufficient holding force and adhesive force, and the occurrence of adhesive deposit can be prevented when peeled off.

(Meth)acrylic copolymer, adhesive composition and adhesive sheet containing same, and coating material and coated product using same

Provided are a carbon fiber thermoplastic resin prepreg which is a carbon fiber prepreg obtained by impregnating a PAN-based carbon fiber in which the average fiber fineness of a single fiber is 1.0 dtex to 2.4 dtex with a thermoplastic resin, wherein the thermoplastic resin satisfies 20&#x2264;(FM/FS)&#x2264;40 (where FM: flexural modulus (MPa) of a resin sheet comprising only the thermoplastic resin, and FS: flexural strength (MPa) of the resin sheet), a method for manufacturing the same, and a carbon fiber composite material employing the carbon fiber prepreg.

Carbon fiber thermoplastic resin prepreg, carbon fiber composite material and producing method

A cationizing agent for cationizing a cloth prior to the firm fixing of water-insoluble particles onto the cloth, said cationizing agent comprising a polymer having a constituent unit (a1) derived from a vinylamine monomer represented by formula (1). (In the formula, Rrepresents a hydrogen atom or a methyl group.)

Cationizing agent, method for firmly fixing water-insoluble particles, and method for producing dyed material

A DBF antenna unit including one or more transmitting antennas and a plurality of receiving antennas arranged at a predetermined interval in a horizontal scanning direction. Each of the transmitting antennas and the receiving antennas includes a waveguide provided with a corner bend and a horn expanding in a pyramid-like shape from one end of the waveguide. The other ends of the waveguides of all the transmitting antennas and the receiving antennas are placed on the same plane.

Antenna unit, radar device, and composite sensor device

In-vehicle radar with camera

A superconducting magnet apparatus comprises a superconducting coil unit, and a refrigerant-filled chamber type refrigerator having a plurality of cooling stages. At least a final cooling stage of the cooling stages includes a static-type refrigerant-filled chamber and is associated with the superconducting coil unit, and at least a first cooling stage of the cooling stages includes a movable-type refrigerant-filled chamber.

Cooling system having a plurality of cooling stages in which

A superconducting coil bas a winding wire portion which is formed by winding a superconducting wire covered with an insulating material around a winding frame composed of such a material that its modulus of longitudinal elasticity is 50 (GPa) or greater, and its thermal contraction rate between a room temperature and a temperature of 77 (K) is 0.35% or above while applying a tensile force thereto, and a bonding material impregnated between the superconducting wires and is then solidified by a heat treatment to reduce a contact surface pressure between the winding wire portion and the winding frame, preventing transition to a normal conductive state. A method for manufacturing superconducting coil having a step of forming a winding wire portion by winding a winding frame with insulation superconducting wires in a plurality of lines and in a plurality of layers while applying a tensile force thereto, the method includes a step of setting a winding tensile force of the insulation superconducting wires larger in intermediate through external layers apart from the winding frame than in an internal layer close to the winding frame or a step of forming a non-acute angled cavity between the curved surfaces to restrain the occurrences of a crack and the exfoliation of the winding wire portion and generation of quench due to the electromagnetic force when exciting the coil.

Superconducting coil and manufacturing method thereof

A cooling apparatus comprises a main refrigerator having a refrigerant-filled chamber, a sub-refrigerator connected parallel to the main refrigerator and having a refrigerant-filled chamber, switch control means for controlling the switching operation between the supply of a refrigerant used in the main refrigerator to the sub-refrigerator, and the stop of the supply of the refrigerant, on the basis of predetermined conditions.

Cooling system having plural cooling stages in which refrigerate-filled

A glass substrate for a magnetic disc having a finely and isotropically roughened surface, wherein the maximum height R.sub.max of the surface roughness is substantially not higher than 700 .ANG. at a standard length of 250 .mu.m and substantially not less than 50 .ANG. at a standard length of 50 .mu.m.

Glass substrate for a magnetic disc and process for its production

A nickel layer is prepared by applying a nickel salt and a reducing agent for reducing said nickel salt, on a substrate and reducing said nickel salt by a chemical reaction. The chemical reduction is carried out in the presence of at least one compound selected from the group consisting of diethylenetriamine, and imidazole.

Process for preparing nickel layer

Growing community of inventors

Yokohama, Japan

Takayuki Kobayashi