Artificial leather

Abstract

An artificial leather comprising a fibrous substrate layer; and/or at least one coating layer. The coating layer comprises a resin selected from the group consisting of polyurethane resin (PU) and polyvinyl chloride (PVC) resin. The artificial leather also includes at least one thermally conductive material is disposed in the fibrous substrate layer and/or the at least one coating layer for increasing thermal conductivity.

1 . An artificial leather comprising
 a fibrous substrate layer; and/or   at least one coating layer comprises a resin selected from the group consisting of polyurethane resin (PU) and polyvinyl chloride (PVC) resin;   wherein at least one thermally conductive material is disposed in the fibrous substrate layer and/or the at least one coating layer for increasing the thermal conductivity of the artificial leather.   
     
     
         2 . The artificial leather of  claim 1 , wherein the at least one thermally conductive material is dispersed in the resin of the at least one coating layer. 
     
     
         3 . The artificial leather of  claim 2 , wherein the at least one thermally conductive material selected from the group consisting of metal additives, carbon-based materials, ceramic materials and phase-change materials. 
     
     
         4 . The artificial leather of  claim 3 , wherein the ceramic material is selected from the group consisting of aluminium oxide, magnesium oxide, zinc oxide, aluminium nitride, boron nitride and silicon carbide. 
     
     
         5 . The artificial leather of  claim 2 , wherein the at least one thermally conductive material constitutes 1-30% by weight of the at least one coating layer. 
     
     
         6 . The artificial leather of  claim 1 , wherein the fibrous substrate layer includes the at least one thermally conductive material therein. 
     
     
         7 . The artificial leather of  claim 6 , wherein the thermally conductive material is selected from the group consisting of conductive materials, carbon based materials, surface cool-feeling materials, glass materials, ceramic materials and phase-change materials and is a fibre, yarn or fabric thereof. 
     
     
         8 . The artificial leather of  claim 7 , wherein the conductive yarn is a metal filament or a silver-coated conductive yarn. 
     
     
         9 . The artificial leather of  claim 1 , wherein the fibrous substrate is formed as a woven knit or non-woven fabric having a density so as to substantially reduce the amount of air trapped between the fibres of the substrate. 
     
     
         10 . The artificial leather of  claim 1 , wherein a first thermally conductive material is included in the fibrous substrate layer and a second thermally conductive material is dispersed in the at least one coating layer. 
     
     
         11 . An artificial leather comprising
 a fibrous substrate layer;   at least a first coating layer and a second coating layer successively laminated upon the fibrous substrate layer, wherein the first and second coating layers comprise polyurethane resin (PU) or polyvinyl chloride (PVC) resin; and   at least one thermally conductive material for increasing the thermal conductivity of the artificial leather wherein said thermally conductive material is disposed in at least one of the fibrous substrate layer, the first coating layer and the second coating layer.   
     
     
         12 . The artificial leather of  claim 11 , wherein the at least one thermally conductive material is dispersed in the first coating layer and/or the second coating layer. 
     
     
         13 . The artificial leather of  claim 11 , wherein a first thermally conductive material is dispersed in the first coating layer and a second thermally conductive material is dispersed in the second coating layer and wherein the first and second thermally conductive materials are independently selected from the group consisting of metal additives, carbon-based materials, ceramic materials and phase-change materials. 
     
     
         14 . The artificial leather of  claim 13 , wherein the ceramic material is selected from the group consisting of aluminium oxide, magnesium oxide, zinc oxide, aluminium nitride, boron nitride and silicon carbide. 
     
     
         15 . The artificial leather of  claim 11 , wherein the fibrous substrate layer comprises a third thermally conductive material. 
     
     
         16 . The artificial leather of  claim 15 , wherein the third thermally conductive material is selected from the group consisting of conductive materials, carbon based materials, surface cool-feeling materials, glass materials, ceramic materials and phase-change materials and is a fibre, yarn or fabric thereof. 
     
     
         17 . The artificial leather of  claim 16 , wherein the conductive yarn is a metal filament, or a silver-coated conductive yarn. 
     
     
         18 . The artificial leather of  claim 11  wherein the fibrous substrate is formed as a woven knit or non-woven fabric having a density so as to substantially reduce the amount of air trapped between the fibres of the substrate. 
     
     
         19 . A product produced with the artificial leather of  claim 1 . 
     
     
         20 . A product produced with the artificial leather of  claim 1  wherein the product is selected from the group consisting of, textiles, clothing, shoes, bags, belts, accessories, furniture and cases for an electronic device. 
     
     
         21 . A method of manufacturing an artificial leather comprising:
 applying at least one coating layer comprising a resin selected from the group consisting of polyurethane resin (PU) and polyvinyl chloride (PVC) resin to a fibrous substrate layer wherein at least one thermally conductive material is included in the at least one coating layer and/or the fibrous substrate layer.   
     
     
         22 . The method of  claim 21 , wherein the thermally conductive material is dispersed in the at least one coating layer and the thermally conductive material is selected from the group consisting of metal additives, carbon-based materials, ceramic materials and phase-change materials. 
     
     
         23 . The method of  claim 22 , wherein the ceramic material is selected from the group consisting of aluminium oxide, magnesium oxide, zinc oxide, aluminium nitride, boron nitride and silicon carbide. 
     
     
         24 . The method of  claim 21 , wherein the fibrous substrate layer includes the at least one thermally conductive material therein. 
     
     
         25 . The method of  claim 24 , wherein the thermally conductive material is selected from the group consisting of conductive yarns, carbon based materials, surface cool-feeling materials, glass materials, ceramic materials and phase-change materials and is a fibre, yarn or fabric thereof. 
     
     
         26 . The method of  claim 25 , wherein the conductive yarn is a stainless yarn or a silver-coated conductive yarn.