Surface covering with static control properties
AssigneeTarkett France
InventorsTommy Anderson, Roland Karlsson, Anders Stokki, Cecilia Melin, Kristin Lindström
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Abstract
The present invention relates to a substrate-free conductive surface covering, and a process to manufacture such covering, said surface covering comprising a core layer of sheet particles which are agglomerated and embedded in a polymer matrix, wherein the particles or the polymer matrix, or both, comprise an electrically conductive material.
Claims30
A substrate-free decorative conductive surface covering, comprising a front surface, a back surface and a core layer of particles of a shredded polymer sheet, said particles being unfused and embedded in a polymer matrix, wherein at least part of said particles are conductive particles comprising an electrically conductive material and being in contact to form in the polymer matrix conductive or dissipative channels for conducting electric charges from the front surface to the back surface of the surface covering;
- and
- wherein the polymer matrix is PVC-based or polyolefin-based.
A substrate-free decorative conductive floor covering having a front surface and a back surface and, comprising:
- a core layer of polymer-sheet shreds, said shreds being unfused and embedded in a polymer matrix, wherein at least part of said polymer-sheet shreds are conductive polymer-sheet shreds comprising electrically conductive material and forming a network for conducting electric charges from the front surface to the back surface of the floor covering;
- and wherein the polymer matrix is PVC-based or polyolefin-based.
A substrate-free decorative conductive surface covering having a front surface and a back surface and comprising:
- a core layer being formed of particles of a shredded polymer sheet, said particles being unfused and embedded in a polymer matrix, wherein at least part of said particles are conductive particles comprising an electrically conductive material and forming a network for conducting electric charges from a front side to a back side of the core layer, wherein the polymer matrix is PVC-based or polyolefin-based;
- and
- a conductive coating applied on the back side of the core layer to form the back surface of the surface covering, the conductive coating comprising electrically conductive material improving the electrical conductivity of the surface covering.
Dependencies are inferred from the claim text.