Thermoplastic resin composition and floor tile made of the same

Details Thermoplastic resin composition and floor tile made of the same Thermoplastic resin composition and floor tile made of the same

C - Chemistry, Metallurgy

08

L

C08L 53/02 (2006.01) C08L 23/00 (2006.01) E04F 15/10 (2006.01)

Patent

CA 2648666

Disclosed is a thermoplastic resin composition containing 100 parts by mass of a thermoplastic resin component (I) and 1-900 parts by mass of a filler (II). The thermoplastic resin component (I) contains 5-90% by mass of at least one block copolymer (A), which is selected from block copolymers having a polymer block (a1) mainly composed of an aromatic vinyl compound unit and a polymer block (a2) mainly composed of a conjugated diene unit and hydrogenated products of such block copolymers, 5-90% by mass of a polyolefin resin (B) and 5-90% by mass of a block copolymer (C) having a polymer block composed of a repeating unit containing a polar group.

La présente invention a pour objet une formule de résine thermoplastique contenant 100 parts en masse d'un composant résine thermoplastique (I) et entre 1 et 900 parts en masse d'une charge (II). Le composant résine thermoplastique (I) contient entre 5 et 90 % en masse d'au moins un copolymère bloc (A) sélectionné parmi les copolymères blocs comportant un bloc polymère (a1) principalement composé d'un motif dérivé vinylaromatique et un bloc polymère (a2) principalement composé d'un motif diène conjugué, et les produits hydrogénés de tels copolymères blocs, entre 5 et 90 % en masse d'une résine polyoléfinique (B) et entre 5 et 90 % en masse d'un copolymère bloc (C) comportant un bloc polymère composé d'un motif de répétition contenant un groupement polaire.

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