Heat-activated, Glueable Surface Elements

Abstract

A heat-activated, glueable sheetlike element having at least one heat-activatable adhesive, at least one inductively heatable material, and at least one thermally conductive filler, wherein material of the thermally conductive filler has a thermal conductivity of at least 0.5 W/(m*K)

1 . A sheetlike element comprising:
 at least one heat-activatable adhesive   at least one inductively heatable material; and   at least one thermally conductive filler, wherein material of the thermally conductive filler has a thermal conductivity of at least 0.5 W/(m*K).   
     
     
         2 . The sheetlike element according to  claim 1 , wherein the material of the thermally conductive filler is electrically nonconducting. 
     
     
         3 . The sheetlike element according to  claim 1 , wherein the thermally conductive filler is used in a form of filler particles and/or comprises filler particles. 
     
     
         4 . The sheetlike element according to  claim 3 , wherein the filler particles are aluminum oxide particles which consist to a proportion of more than 95% by weight of alpha-aluminum oxide. 
     
     
         5 . The sheetlike element according to  claim 4 , wherein the proportion of the aluminum oxide particles, based on the heat-activatable adhesive with the thermally conductive filler, is in the range from 20% to 90% by weight. 
     
     
         6 . The sheetlike element according to  claim 3 , wherein the filler particles are primary particles having a specific surface area per unit mass of 1.3 m 2  or less. 
     
     
         7 . The sheetlike element according to  claim 6 , wherein a proportion of the primary particles, based on the heat-activatable adhesive with the filler, is in the range from 5% to 70% by volume. 
     
     
         8 . . The sheetlike element according to  claim 3 , wherein the filler particles have an average diameter of at least 1 μm. 
     
     
         9 . The sheetlike element according to  claim 4 , wherein the proportion of the aluminum oxide particles, based on the heat-activatable adhesive with the thermally conductive filler, is in the range from 40% to 80% by weight. 
     
     
         10 . The sheetlike element according to  claims 3 , wherein the filler particles are primary particles having a specific surface area per unit mass of 1.0 m 2  or less. 
     
     
         11 . The sheetlike element according to  claim 6 , wherein a proportion of the primary particles, based on the heat-activatable adhesive with the filler, is in the range from 15% to 50% by volume. 
     
     
         12 . The sheetlike element according to  claim 3 , wherein the filler particles have an average diameter between 2 μm and 500 μm. 
     
     
         13 . The sheetlike element according to  claim 3 , wherein the filler particles have an average diameter between 2 and 200 μm. 
     
     
         14 . The sheetlike element according to  claim 3 , wherein the filler particles have an average diameter between 40 μm and 150 μm. 
     
     
         15 . A method comprising:
 bonding the sheetlike element according to  claim 1  to one or more bonding substrates.   
     
     
         16 . The method according to  claim 15 , wherein the sheetlike element is heated at a heating rate of more than 50° C. to bond the sheet like element to one or more bonding substrates. 
     
     
         17 . The method according to  claim 15 , wherein the sheetlike element is heated at a heating rate of more than 100° C. to bond the sheet like element to one or more bonding substrates.