Mitsubishi Engineering-plastics Corporation

Koji Nishida

Kiyoji Takagi

Yoshihiro Kurasawa

Akihiro Kokubo

Kenichi Narita

Shinya Miya

Tatuya Masuki

The present invention relates to a multilayered molding comprising at least two of a layer A and a layer B, in which the layers A are formed on both sides of the layer B, each layer A comprises a same or different thermoplastic resin compositions, the layer A has a flexural modulus according to ASTM D790 of not less than 5,000 kg/cm , the layer B comprises a thermoplastic resin composition and has a flexural modulus according to ASTM D790 of not more than 5,000 kg/cm , and the ratio of flexular modulus of the layer A to flexural modulus of the layer B is not less than 5.

Multilayered molding

The present invention relates to a molding material for OA machine parts, wherein such material comprises a resin combination of 60 to 98 parts by weight of a polyphenylene ether-based resin, 2 to 40 parts by weight of a thermoplastic elastomer, and 1 to 50 parts by weight of a flame retardant, such that the resin composition has a bending modulus of not less than 1500 MPa as measured at 23&deg; C. according to ASTM D790, a damping ratio of not less than 1.0% at 23&deg; C., and a thermal deformation temperature of not less than 100&deg; C. as measured according to ASTM D648 under 18.6 kg/cm load, and wherein the product of the bending modulus and the damping ratio is not less than 10,000 MPa*%.

Molding material for OA machine parts with improved vibration damping properties

Thermoplastic resin composition

The present invention relates to a closed secondary battery container comprising:

Closed secondary battery container

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Hiratsuka, Japan

Koji Nishida