Toray Industries, Inc.

Satoshi Matsubara

Takayuki Hase

Hideyuki Umetsu

Koji Tachikawa

Toru Yamanaka

Shingo Fujino

Takeshi Shimada

A liquid crystalline polyester resin composition for use in camera modules includes 20 to 45 parts by weight of spherical silica particles (B) having an average particle diameter of 15 &#x3bc;m or more and less than 30 &#x3bc;m in 100 parts by weight of a liquid crystalline polyester resin (A). A polyamide resin composition with which a camera module exhibiting excellent low dust forming property, toughness and impact strength can be obtained.

Camera module-use liquid crystalline polyester resin composition and camera module-use molded product formed thereof

A thermoplastic resin composition includes 0.1 to 20 parts by weight of a carbon black relative to 100 parts by weight of a thermoplastic resin, wherein the carbon black is dispersed in the thermoplastic resin composition to have a maximum particle diameter of not greater than 50 &#x3bc;m.

Thermoplastic resin composition and molded product using the same

A liquid crystalline polyester composition contains 100 parts by weight of a liquid crystalline polyester (A) and 10 to 100 parts by weight of a mica (B), wherein a rate in number of mica with a ratio (d/d) of a long diameter (d) to a short diameter (d) that is greater than 2.0, to an entire content of the mica (B) contained in the liquid crystalline polyester composition is not higher than 20%.

Liquid crystalline polyester composition and metal composite molded product using the same

A liquid crystalline polyester composition containing at least 100 parts by weight of liquid crystalline polyester (A) and 10 to 100 parts by weight of talc (B). The talc (B) has a ratio (a1/a2) of oil absorption (a1) ml/100 g to specific surface area (a2) m2/g in a range of 14.0 to 26.0 (ml&#xb7;g)/(100 g&#xb7;m2) and has a number-average particle diameter of 10 to 30 &#x3bc;m.

A liquid crystalline polyester composition contains at least 100 parts by weight of liquid crystalline polyester having different structural units and 10 to 100 parts by weight of glass fiber, wherein the glass fiber has a weight-average fiber length (Mw) of 200 to 500 &#x3bc;m, and content of specific glass fiber having fiber length of not less than 1500 &#x3bc;m is 0.1 to 5.0 percent by weight to a total amount of the glass fiber.

Liquid crystalline polyester composition, method of producing the same and molded product manufactured from the same

A liquid crystalline polyester composition contains at least 100 parts by weight of liquid crystalline polyester and 10 to 100 parts by weight of glass fiber, wherein the glass fiber has a weight-average fiber length of 30 to 100 &#x3bc;m, and content of specific glass fiber having fiber length of 300 to 500 &#x3bc;m is 0.1 to 5 percent by weight to a total amount of the glass fiber.

A liquid crystal resin comprises structural units derived from at least two types of aromatic diols. The liquid crystal resin generates 100 ppm or less of acetic acid gas, less than 20 ppm of phenol gas, and less than 100 ppm of carbon dioxide gas when the liquid crystal resin is retained at a melting point +10&#xb0; C. (or at 335&#xb0; C. when the melting point is less than 325&#xb0; C.) for 30 minutes in a helium gas atmosphere. The present invention provides a liquid crystal resin or a composition containing this resin by which metal corrosion, clouding of glass, bulging of molded articles, and the like are reduced.

Growing community of inventors

Nagoya, Japan

Satoshi Matsubara