Thermally-conductive material with good sound absorption properties

Abstract

A thermally-conductive material includes: a textile fabric; and a graphite-containing, thermally-conductive coating, in which graphite is present in a proportion of 5 wt % to 50 wt % relative to a total weight of the thermally-conductive material. The thermally-conductive material has a flow resistance of 60 Pa*s/m to 400 Pa*s/m. In an embodiment, a proportion of graphite in relation to the thermally-conductive coating is more than 50 wt %.

What is claimed is: 
     
         1 . A thermally-conductive material, comprising:
 a textile fabric; and   a graphite-containing, thermally-conductive coating, in which graphite is present in a proportion of 5 wt % to 50 wt % relative to a total weight of the thermally-conductive material,   wherein the thermally-conductive material has a flow resistance of 60 Pa*s/m to 400 Pa*s/m.   
     
     
         2 . The thermally-conductive material according to  claim 1 , wherein a proportion of graphite in relation to the thermally-conductive coating is more than 50 wt %. 
     
     
         3 . The thermally-conductive material according to  claim 1 , wherein a proportion of polymer binder in the thermally-conductive coating and/or between the thermally-conductive coating and the textile fabric is less than 40 wt %. 
     
     
         4 . The thermally-conductive material according to  claim 1 , wherein the textile fabric comprises fibers comprising a hydrophilic fiber material. 
     
     
         5 . The thermally-conductive material according to  claim 1 , wherein the thermally-conductive coating comprises a pattern on the textile fabric. 
     
     
         6 . The thermally-conductive material according to  claim 5 , wherein the pattern at least partially has continuous lines. 
     
     
         7 . The thermally-conductive material according to  claim 1 , wherein a coating weight of the thermally-conductive coating is 1 to 50 g/m 2 . 
     
     
         8 . The thermally-conductive material according to  claim 1 , wherein the graphite comprises graphite in particle form, with an average particle size of 0.5 to 10 μm. 
     
     
         9 . The thermally-conductive material according to  claim 1 , wherein the thermally-conductive material has a degree of sound absorption, measured in an impedance tube at 1,600 Hz, of more than 0.55. 
     
     
         10 . The thermally-conductive material according to  claim 1 , wherein the textile fabric has a proportion of at least 30 wt % of cellulose fibers, relative to a total amount of fibrous material in the textile fabric. 
     
     
         11 . The thermally-conductive material according to  claim 1 , wherein the textile fabric comprises glass fibers in a proportion of 5 to 80 wt % relative to a total amount of fibrous material in the textile fabric. 
     
     
         12 . The thermally-conductive material according to  claim 1 , wherein the textile fabric comprises a wet-laid nonwoven or a carded nonwoven. 
     
     
         13 . The thermally-conductive material according to  claim 1 , wherein the thermally-conductive material has a basis weight of 20 to 100 g/m 2 , and/or a thickness of 0.1 to 0.5 mm, and/or an air permeability of 100 to 3,000 L/m 2 /s. 
     
     
         14 . The thermally-conductive material according to  claim 1 , further comprising a hot-melt adhesive comprising an adhesive material coating. 
     
     
         15 . A method of using the thermally-conductive material according to  claim 1 , comprising:
 providing the thermally-conductive material for thermal conduction and simultaneous sound absorption in ceiling and/or wall elements.   
     
     
         16 . The thermally-conductive material according to  claim 1 , wherein the thermally-conductive material has a flow resistance of 100 Pa*s/m to 300 Pa*s/m. 
     
     
         17 . The thermally-conductive material according to  claim 16 , wherein the thermally-conductive material has a flow resistance of 120 Pa*s/m to 250 Pa*s/m. 
     
     
         18 . The thermally-conductive material according to  claim 14 , wherein the adhesive material coating is discontinuous. 
     
     
         19 . The method according to  claim 15 , wherein the ceiling and/or wall elements comprise a frame that is fastenable to a ceiling and/or a wall, the frame having a base in which a heating and/or cooling element is arranged.