Daicel Chemical Industries, Ltd.

Yoshiaki Yamaguchi

Tatsuya Kanno

Tetuo Kanematu

Takashi Arai

Shigeyuki Yoshida

A modified styrene-based resin composition in which silicone powder is added to styrene-based resin. One can obtain styrene-based resin compositions remarkably improved in impact resistance and sliding properties, particularly in permanence during sliding. In particular, when the base material is transparent polystyrene-based resin, it was found that the present invention can provide styrene-based resin compositions having excellent impact strength, sliding properties, and transparency without spoiling their fluidity and thermostability. In addition, use of rubber modified polystyrene as styrene-based resin permits styrene-based resin compositions exhibiting well-balanced impact resistance, sliding properties, heat distortion resistance, molding properties, workability, and surface appearance of molded articles. Thus, the present invention enables general-purpose styrene-based rigid thermoplastics to be used for various applications, that is, it allows improvement of such thermoplastics particularly in adaptability to injection molding, extrusion molding and the like, and thereby will contributes to extension of the range of their application.

Styrene-based resin compositions and molded articles thereof

Stable gel compositions comprising a water-soluble salt of carboxymethyl cellulose wetted by or dispersed in a hydrophilic organic liquid such as glycerol, methanol acetone or the like and an aqueous solution of a water-soluble polyvalent metal salt such as potassium alum, ferric chloride, cupric chloride or the like, which are useful as bases for many preparations of medicines, cosmetics and the like.

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Himeji, Japan

Yoshiaki Yamaguchi