Toray Industries, Inc.

Tadao Fukumoto

Masatoshi Iwamoto

Akihiko Kishimoto

Kazuhisa Yano

Thermoplastic resin compositions consisting of 1 to 40 wt % a polyether ester amide (A) and 99 to 60 wt % of at least one thermoplastic resin (B) selected from styrene based resins, further containing (C) 0.1-10% of a modified vinyl polymer containing carboxyl groups, are permanently antistatic, excellent in mechanical properties represented by impact resistance, heat resistance moldability and also in the appearance and gloss of the moldings, and suitable for housings of optical or magnetic recording media.

Housing and resin composition including polyether ester amide,

Thermoplastic resin compositions consisting of 1 to 40 wt % a polyether ester amide (A) and 99 to 60 wt % of at least one thermoplastic resin (B) selected from styrene based resins, further containing (C) 0.1-10% of a modified vinyl polymer containing carboxyl groups, area permanently antistatic, excellent in mechanical properties represented by impact resistance, heat resistance moldability and also in the appearance and gloss of the moldings, and suitable for housings of optical or magnetic recording media.

Instrinsically antistatic thermoplastic resin compositions housing and

Housing and thermoplastic resin compositions including polyether ester

A transparent polyester-ester amide having a permanently antistatic property is obtained by copolymerizing (a) an aminocarboxylic acid, a lactam, or a salt derived from a diamine and a dicarboxylic acid; (b) a diol of the formula: ##STR1## wherein R.sup.1 and R.sup.2 are an ethylene oxide or propylene oxide group, Y is covalent bond, alkylene, alkylidene, cycloalkylidene, arylalkylidene, O, SO, SO.sub.2, CO, S, CF.sub.2, C(CF.sub.3).sub.2 or NH, X is H, alkyl, halogen, sulfonic acid or salt thereof, l is 0 or an integer of 1-4, and m and n an integer of 1-15; (c) a poly(alkylene oxide)glycol or a diol of the formula:

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Tsushima, Japan

Tadao Fukumoto