Mitsubishi Engineering-Plastics Corporation

Mitsubishi Gas Chemical Company, Inc.

Mitsubishi Chemical Europe Gmbh

Kentarou Ishihara

Noriyuki Kato

Munenori Shiratake

Takashi Ishii

Takahiro Takano

Takahiko Sumino

Naohisa Akashi

Yoshio Nishimura

Bernardus Antonius Gerardus Schrauwen

Hirohito Ishizuka

Kouji Hirose

Provided is a thermoplastic resin composition that allows a plated layer to be successfully formed on a surface of resin molded article obtained therefrom under a wide range of laser irradiation condition. A thermoplastic resin composition comprising a thermoplastic resin, and 1 to 30 parts by weight of a laser direct structuring additive and 0.1 to 10 parts by weight of a laser marking additive per 100 parts by weight of the thermoplastic resin, wherein the laser direct structuring additive comprises 70% by weight or more of a tin oxide.

Thermoplastic resin composition, resin molded article, and method for manufacturing resin molded article having a plated layer

Provide is a thermoplastic resin composition from which a resin molded article having high whiteness and mechanical strength can be obtained while retaining the plating properties of the resin molded article. A thermoplastic resin composition comprising a thermoplastic resin, and 1 to 30 parts by weight of a laser direct structuring additive, 0.1 to 20 parts by weight of a titanium oxide and 10 to 230 parts by weight of a glass fiber per 100 parts by weight of the thermoplastic resin, wherein the laser direct structuring additive has an L value of 50 or more, and the glass fiber comprises SiOand AlOin a proportion of 60 to 70% by weight of SiOand 20 to 30% by weight of AlO.

Provided is a thermoplastic resin composition which is excellent in platability (appearance of plating), and keeps high reflectance even after thermal aging. A thermoplastic resin composition comprising: per (A) 100 parts by weight of a crystalline thermoplastic resin having a melting point, measured by differential scanning calorimetry (DSC) at a heating rate of 10&#xb0; C./min, of 250&#xb0; C. or above; (B) 10 to 80 parts by weight of a glass filler; (C) 1 to 30 parts by weight of a laser direct structuring additive having a reflectance at 450 nm of 25% or above; and (D) 20 to 150 parts by weight of titanium oxide.

Thermoplastic resin composition, resin article, and method of manufacturing resin article with plated layer

The polycarbonate resin of the present invention has a structural unit represented by general formula (A): (in formula (A), X is an alkylene group having 1 to 4 carbon atoms).

Polycarbonate resin, production method therefor, and optical molded body

Provided is a thermoplastic resin molded article excellent in bending strength, flexural modulus and Charpy impact strength, on which the plated layer may be formed in a successful manner. The thermoplastic resin composition for laser direct structuring comprising, per 100 parts by weight of the thermoplastic resin, 10 to 150 parts by weight of an inorganic fiber and 1 to 30 parts by weight of a laser direct structuring additive, the laser direct structuring additive containing at least one of copper, antimony and tin, and having a Mohs hardness 1.5 or more smaller than the Mohs hardness of the inorganic fiber.

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Tokyo, Japan

Kentarou Ishihara