Heat-activated, Glueable Surface Elements
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.