Mitsubishi Chemical Corporation

Mitsubishi Rayon Company, Limited

Cheil Industries Inc.

Lotte Advanced Materials Co., Ltd.

Osamu Okunaka

Toshihiro Kasai

Hiroki Ishii

Tae Uk Kim

Masaaki Kiura

Keiji Nakamura

Byung Choon Lee

Hideo Aoki

Youko Hatae

Hiroyuki Nishii

Shuuji Ishiwata

Takashi Shouji

Kazuaki Itou

A production method for a fiber-reinforced thermoplastic resin composite material, the method using a crosshead die () that has a maximum aperture height of 1 mm or more, wherein reinforcing fibers are supplied in a reinforcing fiber bundle to the crosshead die (), the reinforcing fibers are conjugated with a melted thermoplastic resin, and the conjugate is brought into contact with a pressurization surface that is at or below the solidification temperature of the thermoplastic resin, is pressurized, and is shaped to have a thickness that is 50% or less of the aperture height.

Production method for fiber-reinforced thermoplastic resin composite material, production method for fiber-reinforced thermoplastic resin tape, production method for press-molding material, production method for molded article, unidirectional prepreg, and molded article

Provided is a thermoplastic resin composition which provides a molded body having excellent thermal conductivity and excellent mechanical characteristics. A thermoplastic resin composition which contains (A) a thermoplastic resin, (B) pitch carbon fibers and (C) graphite, and wherein: the content of the graphite (C) is from 1% by mass to 20% by mass (inclusive) relative to 100% by mass of the thermoplastic resin composition; and a molded body, which is obtained by molding this thermoplastic resin composition and has a thickness of 1 mm, has a thermal conductivity of 10 W/mK or more as determined by a hot wire method.

Thermoplastic resin composition, method for producing thermoplastic resin composition, and molded body

The invention is intended to obtain a composite material suitable for mass production or the like by shortening the molding time while obtaining the advantages of the composite materials described above, and intended to provide a composite material which has a short molding time by the use of a thermoplastic resin as a matrix and is excellent in balance among stiffness, strength, and thermal conductivity. A carbon-fiber-reinforced thermoplastic-resin composite material comprising: a layer (I) containing a carbon fiber (A) aligned in one direction and a thermoplastic resin (C-1); and a layer (II) containing a carbon fiber (B) aligned in one direction and a thermoplastic resin (C-2), wherein the carbon fiber (A) has a higher elastic modulus than the carbon fiber (B).

Carbon-fiber-reinforced thermoplastic-resin composite material and molded body using the same

Disclosed is a thermoplastic resin composition having excellent impact resistance at a low temperature, while maintaining high transparency; this thermoplastic resin composition is obtained by compounding an impact resistance improver into a thermoplastic resin, the impact resistance improver being composed of a graft copolymer which is obtained by polymerizing a vinyl monomer component in the presence of a polymer mixture containing a polymer having butadiene units as an essential component and a polymer having styrene units as an essential component, the polymer mixture containing 45 to 65% by mass of the butadiene units and 35 to 55% by mass of the styrene units.

Impact resistance improver, thermoplastic resin composition, shaped article and method for producing graft copolymer

Disclosed are a powdery processing aid for polyolefin resins, containing an alkyl methacrylate polymer which has alkyl methacrylate units having an alkyl group with 2 to 6 carbon atoms as a main component and has a mass average molecular weight of 150,000 to 20,000,000, having good handling properties as a powder, having good dispersibility in polyolefin resins, and being able to improve shaping processability of polyolefin resins; and a polyolefin resin composition having improved shaping processability, which contains a powdery processing aid for polyolefin resins and a polyolefin resin.

Powdery processing aid for polyolefin resins, method for producing the same, resin composition and shaped article

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Toyohashi, Japan

Osamu Okunaka