Carpet backing derived from block copolymer compositions

Details Carpet backing derived from block copolymer compositions Carpet backing derived from block copolymer compositions

C - Chemistry, Metallurgy

08

L

C08L 53/02 (2006.01) C08L 51/00 (2006.01) C08L 91/00 (2006.01) D06N 7/00 (2006.01)

Patent

CA 2167686

Recyclable carpets, obtainable by means of the application of a block copolymer composition, comprising at least: a) a block copolymer, containing at least two terminal poly(vinylaromatic) blocks and at least one internal poly(conjugated diene) block, the original ethylenical unsaturation in which may optionally be selectively hydrogenated, which block copolymer may optionally be grafted with a polar entity; b) a non-aromatic plasticizing oil; c) a terminal block compatible resin on the backside of a carpet fabric; and block copolymer compositions for the manufacture of such carpets.

Tapis recyclables obtenus par application d'une composition de copolymères séquencés comportant au moins (a) un copolymère séquencé renfermant au moins deux blocs poly(vinyle aromatique) terminaux et au moins un bloc poly(diène conjugué) interne, dans lequel l'insaturation éthylénique initiale est éventuellement hydrogénée de manière sélective, ledit copolymère séquencé étant éventuellement doté d'une entité polaire greffée; (b) une huile plastifiante non aromatique; et (c) une résine compatible avec les blocs terminaux et disposée sur l'envers d'un tissu de tapis; et compositions de copolymères séquencés destinées à la fabrication de tapis de ce type.

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