CN108531093A - Heat-conducting glue band and preparation method thereof - Google Patents
Heat-conducting glue band and preparation method thereof Download PDFInfo
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- CN108531093A CN108531093A CN201711462200.9A CN201711462200A CN108531093A CN 108531093 A CN108531093 A CN 108531093A CN 201711462200 A CN201711462200 A CN 201711462200A CN 108531093 A CN108531093 A CN 108531093A
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- heat
- metal
- coat
- sensitive adhesive
- pressure
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/10—Presence of inorganic materials
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/10—Presence of inorganic materials
- C09J2400/16—Metal
- C09J2400/163—Metal in the substrate
Abstract
The present invention provides a kind of heat-conducting glue bands and preparation method thereof.The heat-conducting glue band includes heat-conducting layer and the pressure-sensitive adhesive layer on one side surface of heat-conducting layer, and wherein heat-conducting layer includes graphite linings and first coat of metal, and graphite linings are arranged close to pressure-sensitive adhesive layer；First coat of metal is arranged on surface of the graphite linings far from pressure-sensitive adhesive layer side.Heat-conducting layer can be bonded on OLED screen curtain using pressure-sensitive adhesive layer.Heat-conducting layer includes graphite linings and first coat of metal, and first coat of metal is arranged on surface of the graphite linings far from pressure-sensitive adhesive layer side.In this way, the bending resistance of heat-conducting layer and heat-conducting glue band can be effectively improved using graphite linings.At the same time, the metal layer of the present invention is first coat of metal, coating shows that it is arranged by way of the plated films such as metal evaporation, sputtering on the surface of graphite linings, preferable combination can be realized in the additional glue-line that can be used when not having each layer of Classical adhesive tape to bond between two layers, and this makes it possible to the heat conductivilitys for further improving heat-conducting glue band.
Description
Technical field
The present invention relates to adhesive tape technical fields, in particular to a kind of heat-conducting glue band and preparation method thereof.
Background technology
OLED (organic electroluminescent LED) technology has been widely used in mobile phone display field, and OLED technology at present
Infiltration in mobile phone increases year by year.
Currently, in OLED screen screen making, generally use glass or polyimides are as basal layer, but due to glass or PI
Heat transfer efficiency it is poor, generally require increase cooling measure.The existing cooling measure for OLED screen curtain is mainly used in screen
The mode of heat-conducting glue band is pasted afterwards.Traditional heat-conducting glue band is often by the way of copper foil pressure-sensitive adhesive coating (PSA), i.e., in thickness
Pressure-sensitive adhesive coating layer forms heat-conducting glue band on about 9 μm of copper foil.However, although copper foil radiating efficiency is higher, in heat conduction
The copper foil for being about 9 μm using thickness in adhesive tape, copper foil are easy to generate bending in use, to subsequent screen fitting etc.
Production process has large effect.
Based on the above reason, it is necessary to provide that a kind of radiating efficiency is preferable and unpliant heat-conducting glue band.
Invention content
The main purpose of the present invention is to provide a kind of heat-conducting glue bands and preparation method thereof, to solve in the prior art adopt
With the pliable problem of the heat-conducting glue band of the thicker copper foil making of thickness.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of heat-conducting glue band comprising heat-conducting layer
With the pressure-sensitive adhesive layer on one side surface of heat-conducting layer, wherein heat-conducting layer includes：Graphite linings are arranged close to pressure-sensitive adhesive layer；First
The coat of metal is arranged on surface of the graphite linings far from pressure-sensitive adhesive layer side.
Further, heat-conducting layer further includes second coat of metal, and second coat of metal is arranged in graphite linings close to pressure sensitive adhesive
On the surface of layer side.
Further, the thickness of first coat of metal isPreferably, the thickness of second coat of metal is
Further, the material of first coat of metal and second coat of metal separately be selected from metallic copper, metallic aluminium,
It is one or more in metallic silver and metallic gold.
Further, the thickness of graphite linings is 10~30 μm；Preferably, the thickness of pressure-sensitive adhesive layer is 8~20 μm.
Further, heat-conducting glue band further includes release film, and release film is arranged in table of the pressure-sensitive adhesive layer far from heat-conducting layer side
On face.
According to another aspect of the present invention, a kind of production method of heat-conducting glue band is additionally provided comprising following steps：It carries
For graphite linings；First coat of metal, and then shape are formed on a side surface of graphite linings in the way of metal evaporation or sputtering
At heat-conducting layer；Pressure-sensitive adhesive layer is set on the surface far from the first coat of metal side of graphite linings, and then forms heat-conducting glue band.
Further, after the step of forming first coat of metal, production method further includes：Utilize metal evaporation or sputtering
Mode form second coat of metal on surface of the graphite linings far from the first coat of metal side, and then form heat-conducting layer；
Pressure-sensitive adhesive layer is arranged in second coat of metal on the surface far from graphite linings side, and then forms heat-conducting glue band.
Further, in the step of providing graphite linings, the upper surface of graphite linings is additionally provided with the first protective film, with upper surface
Opposite lower surface is additionally provided with the second protective film；Before the step of forming first coat of metal, the first protective film is first removed；Shape
Before the step of second coat of metal, the second protective film is first removed.
Further, after the step of forming pressure-sensitive adhesive layer, production method further includes in pressure-sensitive adhesive layer far from heat-conducting layer one
The step of release film is set on the surface of side.
The present invention provides a kind of heat-conducting glue bands and preparation method thereof.The heat-conducting glue band include heat-conducting layer and be located at heat-conducting layer
Pressure-sensitive adhesive layer on one side surface, wherein heat-conducting layer include graphite linings and first coat of metal, and graphite linings are set close to pressure-sensitive adhesive layer
It sets；First coat of metal is arranged on surface of the graphite linings far from pressure-sensitive adhesive layer side.
Above-mentioned heat-conducting glue band includes heat-conducting layer and the pressure-sensitive adhesive layer on one side surface of heat-conducting layer, can using pressure-sensitive adhesive layer
Heat-conducting layer to be bonded on OLED screen curtain.Heat-conducting layer includes graphite linings and first coat of metal, and the setting of first coat of metal exists
On surface of the graphite linings far from pressure-sensitive adhesive layer side.In this way, heat-conducting layer and heat-conducting glue band can be effectively improved using graphite linings
Bending resistance.At the same time, graphite linings itself all have preferable heat conductivility in the horizontal and vertical directions, can be to dissipating
Hot property plays the role of making up well, thus first coat of metal can be arranged more thinner.At the same time, this hair
Bright metal layer is first coat of metal, and coating shows that it is arranged in graphite by way of the plated films such as metal evaporation, sputtering
On the surface of layer, preferable combination can be realized in the additional glue-line that can be used when not having each layer of Classical adhesive tape to bond between two layers,
This makes it possible to the heat conductivilitys for further improving heat-conducting glue band.The factor of above several respects makes heat-conducting glue provided by the invention
Band can have both preferable bending resistance and heat conductivility vertical, in horizontal direction, be highly suitable for the heat dissipation of OLED screen curtain
It is used in measure.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide further understanding of the present invention, and of the invention shows
Meaning property embodiment and its explanation are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 shows heat conduction adhesive tape structure schematic diagram according to an embodiment of the present；And
Fig. 2 shows the heat conduction adhesive tape structure schematic diagrames of another embodiment according to the present invention.
Wherein, above-mentioned attached drawing includes the following drawings label：
10, heat-conducting layer；11, graphite linings；12, first coat of metal；13, second coat of metal；20, pressure-sensitive adhesive layer；30, from
Type film.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
The application is described in further detail below in conjunction with specific embodiment, these embodiments should not be understood as limitation originally
Apply for range claimed.
As described in background technology part, the heat-conducting glue band of the copper foil making thicker using thickness in the prior art
There is a problem of pliable.
In order to solve this problem, the present invention provides a kind of heat-conducting glue bands, as shown in Figure 1 comprising 10 He of heat-conducting layer
Pressure-sensitive adhesive layer 20 on 10 1 side surface of heat-conducting layer, wherein heat-conducting layer 10 include graphite linings 11 and first coat of metal 12,
Graphite linings 11 are arranged close to pressure-sensitive adhesive layer 20；First coat of metal 12 is arranged in table of the graphite linings 11 far from 20 side of pressure-sensitive adhesive layer
On face.
Above-mentioned heat-conducting glue band includes heat-conducting layer 10 and the pressure-sensitive adhesive layer 20 on one side surface of heat-conducting layer, utilizes pressure sensitive adhesive
Heat-conducting layer 10 can be bonded on OLED screen curtain by layer 20.Heat-conducting layer 10 include graphite linings 11 and first coat of metal 12, first
The coat of metal 12 is arranged on surface of the graphite linings 11 far from 20 side of pressure-sensitive adhesive layer.In this way, can be effective using graphite linings 11
Improve the bending resistance of heat-conducting layer 10 and heat-conducting glue band.At the same time, graphite linings 11 itself are equal in the horizontal and vertical directions
With preferable heat conductivility, can play the role of making up well to heat dissipation performance, it thus can be by first coat of metal
12 setting it is more thinner.At the same time, metal layer of the invention is first coat of metal 12, and coating shows that it is to pass through metal
The modes of plated films such as vapor deposition, sputtering are arranged on the surface of graphite linings 11, have higher binding force between two layers, and two layers it
Between the additional glue-line that can use when bonding of each layer of no Classical adhesive tape, this makes it possible to the thermal conductivity for further improving heat-conducting glue band
Energy.The factor of above several respects enables heat-conducting glue band provided by the invention to have both preferable bending resistance and vertical, water
Square upward heat conductivility, is highly suitable for using in OLED screen curtain cooling measure.
In order to further increase the heat conductivility of adhesive tape while improving adhesive tape bending resistance, as shown in Fig. 2, one
In kind preferred embodiment, heat-conducting layer 10 further includes second coat of metal 13, and second coat of metal 13 is arranged in graphite linings 11
On the surface of 20 side of pressure-sensitive adhesive layer.Other than it can further increase heat conductivility, second coat of metal 13 shows
It is arranged by way of the plated films such as metal evaporation, sputtering, does not have to bond between second coat of metal 13 and graphite linings 11
Cementing conjunction, which can have, to be well bonded.
It, can be by first coat of metal 12 and the second metal because the heat conductivility of graphite linings 11 makes up effect with certain
The thickness of coating 13 is configured more thinner, and in a preferred embodiment, the thickness of first coat of metal 12 isPreferably, the thickness of second coat of metal 13 isWithin the above range by the thickness control of the two,
On the one hand it can make adhesive tape that there is better bending resistance, on the other hand also the thermal conductivity of adhesive tape can be made to be maintained at higher water
It is flat.
In a preferred embodiment, the material of first coat of metal 12 and second coat of metal 13 is separately
It is one or more in metallic copper, metallic aluminium, metallic silver and metallic gold.The thermal conductivity of above-mentioned several metal materials is more preferable,
Be conducive to further increase the heat conductivility of adhesive tape.
In a preferred embodiment, the thickness of graphite linings 11 is 10~30 μm.By the thickness control of graphite linings 11
Within the above range, it on the one hand can make adhesive tape that there is better bending resistance, on the other hand can also make the thermal conductivity of adhesive tape
It is maintained at higher level.Preferably, the thickness of pressure-sensitive adhesive layer 20 is 8~20 μm.
Preferably, the thermal coefficient of graphite linings 11 is 1000~1500w/ (m.k).
In a preferred embodiment, heat-conducting glue band further includes release film 30, and release film 30 is arranged in pressure-sensitive adhesive layer
On 20 surfaces far from 10 side of heat-conducting layer.In this way heat-conducting glue tape wrapping is put in storage and storage and transportation process in can have efficacious prescriptions
The self-adhesion of formula adhesive tape.
According to another aspect of the present invention, the production method for additionally providing above-mentioned heat-conducting glue band comprising following steps：It carries
For graphite linings 11；First coat of metal 12 is formed on a side surface of graphite linings 11 in the way of metal evaporation or sputtering,
And then form heat-conducting layer 10；Pressure-sensitive adhesive layer 20 is set on the surface far from first coat of metal, 12 side of graphite linings 11, into
And form heat-conducting glue band.
The heat-conducting glue band that above-mentioned production method obtains includes heat-conducting layer 10 and the pressure sensitive adhesive on one side surface of heat-conducting layer
Heat-conducting layer 10, can be bonded on OLED screen curtain by layer 20 using pressure-sensitive adhesive layer 20.Heat-conducting layer 10 includes graphite linings 11 and first
The coat of metal 12, first coat of metal 12 is arranged on surface of the graphite linings 11 far from 20 side of pressure-sensitive adhesive layer, and the first metal
Coating 12 is arranged by way of metal evaporation on the surface of graphite linings 11.In this way, can effectively be changed using graphite linings 11
The bending resistance of kind heat-conducting layer 10 and heat-conducting glue band.At the same time, graphite linings 11 itself have preferable heat conductivility, can
Play the role of making up well to heat dissipation performance, first coat of metal 12 can be thus arranged more thinner.It is same with this
When, first coat of metal 12 of the invention is arranged by way of metal evaporation or sputtering on the surface of graphite linings 11, two
The additional glue-line that can be used when there is higher binding force between layer, and not having each layer of Classical adhesive tape to bond between two layers, in this way
The heat conductivility of heat-conducting glue band can further be improved.The factor of above several respects enables the heat-conducting glue band that makes of the present invention
Preferable bending resistance and heat conductivility are enough had both, is highly suitable for using in OLED screen curtain cooling measure.
In order to further increase the heat conductivility of adhesive tape while improving adhesive tape bending resistance, in a kind of preferred reality
After the step of applying in mode, forming the first coat of metal 12, production method further includes：In the way of metal evaporation or sputtering
Second coat of metal 13 is formed on surface of the graphite linings 11 far from first coat of metal, 12 side, and then forms heat-conducting layer 10；
Pressure-sensitive adhesive layer 20 is set on the second surface of the coat of metal 13 far from 11 side of graphite linings, and then forms heat-conducting glue band.
In a preferred embodiment, in the step of providing graphite linings 11, the upper surface of graphite linings 11 is additionally provided with
First protective film, the lower surface opposite with upper surface are additionally provided with the second protective film；The step of forming the first coat of metal 12 it
Before, first remove the first protective film；Before the step of forming the second coat of metal 13, the second protective film is first removed.Graphite linings itself
With frangible characteristic, two layers of protective film is set on its surface, then when making heat-conducting glue band by step removal protective film into
Row production, it is possible to prevente effectively from graphite linings are gone to sticks and staves, to advantageously ensure that the yield of production.It should be noted that waiting for the first gold medal
Belong to coating 12 to be plated in after 11 surface of graphite linings, the frangible characteristic of graphite linings 11 can be obtained improvement, and it is very high to form globality
One layer, subsequent pressure-sensitive adhesive layer 20 and the optionally setting of second coat of metal 13 in addition, the globality of graphite linings 11 is stronger, and
The bending resistance of adhesive tape can be effectively improved.
For the purpose for facilitating storage and transport, in a preferred embodiment, formed pressure-sensitive adhesive layer 20 the step of
Later, production method further includes the steps that the setting release film 30 on surface of the pressure-sensitive adhesive layer 20 far from 10 side of heat-conducting layer.
The method of above-mentioned metal evaporation specifically can be as follows：When vapor deposition, reel drum film is placed in vacuum chamber, is closed true
Empty room vacuumizes.When vacuum degree reaches certain (4 × 10- 4Pa or more) when, evaporation boat is warming up to 1300~1400 DEG C, then
The wire (copper, aluminium, silver) that purity is 99.9% is continuously sent to evaporation boat again.It regulates and unreels speed (100~400m/
Min), rolling speed (100~400m/min), wire feed rate (0.4~0.7m/min) and evaporation capacity, open cooling source, make aluminium
Silk is continuously melted on evaporation boat, is evaporated, to form one layer of bright coat of metal after mobile film surface cooling.
The advantageous effect further illustrated the present invention by the following examples：
Test mode：
Peel test force instrument：Tensilon, GBT-2792-2014
Thermal coefficient instrument：Heat conduction coefficient tester, LW9389, ASTM 5470
Bending test：0-3 ° of doubling of bending angle, folds are more than 100 times, no folding line, and uncoated stripping is OK.
Embodiment 1
This embodiment offers heat-conducting glue band, structure is as shown in Figure 1, include first coat of metal, graphite from the bottom to top
Layer, pressure-sensitive adhesive layer and release film.Specific preparation process is as follows：
Graphite flake is provided, and the upper surface of graphite flake is provided with the first protective film, the lower surface opposite with upper surface is also set
It is equipped with the second protective film；First protective film and the second protective film are PET materials, and thickness is 50 μm；Graphite flake thickness is 17 μm,
Thermal coefficient is 1500w/ (m.k).
The first protective film is torn, the evaporation metal copper on the side surface that graphite flake exposes, evaporation rate 300m/
Min, thickness of coating
Then the pressure-sensitive adhesive coating on light release film, 15 μm of coating thickness are bonded heavy release film.It tears light-duty release
Film, while the second protective film of graphite flake is torn, so that pressure sensitive adhesive side and graphite flake is bonded, obtains final heat-conducting glue band.
The performance of heat-conducting glue band is characterized, it is as a result as follows：
Thermal coefficient (directions z)：120w/(m.k)；Thermal coefficient (horizontal direction)：1200w/(m.k)；Peeling force
(180°)：800gf；Bending resistance：OK.
Embodiment 2
This embodiment offers heat-conducting glue band, structure is as shown in Figure 1, include first coat of metal, graphite from the bottom to top
Layer, pressure-sensitive adhesive layer and release film.Specific preparation process is as follows：
Graphite flake is provided, and the upper surface of graphite flake is provided with the first protective film, the lower surface opposite with upper surface is also set
It is equipped with the second protective film；First protective film and the second protective film are PET materials, and thickness is 50 μm；Graphite flake thickness is 25 μm,
Thermal coefficient is 1500w/ (m.k).
The first protective film is torn, the evaporation metal copper on the side surface that graphite flake exposes, evaporation rate 300m/
Min, thickness of coating
Then the pressure-sensitive adhesive coating on light release film, 15 μm of coating thickness are bonded heavy release film.It tears light-duty release
Film, while the second protective film of graphite flake is torn, so that pressure sensitive adhesive side and graphite flake is bonded, obtains final heat-conducting glue band.
The performance of heat-conducting glue band is characterized, it is as a result as follows：
Thermal coefficient (directions z)：120w/(m.k)；Thermal coefficient (horizontal direction)：1260w/(m.k)；Peeling force
(180°)：800gf；Bending resistance：OK.
Embodiment 3
This embodiment offers heat-conducting glue band, structure is as shown in Figure 1, include first coat of metal, graphite from the bottom to top
Layer, pressure-sensitive adhesive layer and release film.Specific preparation process is as follows：
Graphite flake is provided, and the upper surface of graphite flake is provided with the first protective film, the lower surface opposite with upper surface is also set
It is equipped with the second protective film；First protective film and the second protective film are PET materials, and thickness is 50 μm；Graphite flake thickness is 17 μm,
Thermal coefficient is 1500w/ (m.k).
The first protective film is torn, the evaporation metal copper on the side surface that graphite flake exposes, evaporation rate 300m/
Min, thickness of coating
Then the pressure-sensitive adhesive coating on light release film, 15 μm of coating thickness are bonded heavy release film.It tears light-duty release
Film, while the second protective film of graphite flake is torn, so that pressure sensitive adhesive side and graphite flake is bonded, obtains final heat-conducting glue band.
The performance of heat-conducting glue band is characterized, it is as a result as follows：
Thermal coefficient (directions z)：180w/(m.k)；Thermal coefficient (horizontal direction)：1200w/(m.k)；Peeling force
(180°)：800gf；Bending resistance：OK.
Embodiment 4
This embodiment offers heat-conducting glue band, structure is as shown in Figure 1, include first coat of metal, graphite from the bottom to top
Layer, pressure-sensitive adhesive layer and release film.Specific preparation process is as follows：
Graphite flake is provided, and the upper surface of graphite flake is provided with the first protective film, the lower surface opposite with upper surface is also set
It is equipped with the second protective film；First protective film and the second protective film are PET materials, and thickness is 50 μm；Graphite flake thickness is 30 μm,
Thermal coefficient is 1500w/ (m.k).
The first protective film is torn, the evaporation metal copper on the side surface that graphite flake exposes, evaporation rate 300m/
Min, thickness of coating
Then the pressure-sensitive adhesive coating on light release film, 15 μm of coating thickness are bonded heavy release film.It tears light-duty release
Film, while the second protective film of graphite flake is torn, so that pressure sensitive adhesive side and graphite flake is bonded, obtains final heat-conducting glue band.
The performance of heat-conducting glue band is characterized, it is as a result as follows：
Thermal coefficient (directions z)：160w/(m.k)；Thermal coefficient (horizontal direction)：1300w/(m.k)；Peeling force
(180°)：820gf；Bending resistance：OK.
Embodiment 5
This embodiment offers heat-conducting glue band, structure is as shown in Figure 1, include first coat of metal, graphite from the bottom to top
Layer, pressure-sensitive adhesive layer and release film.Specific preparation process is as follows：
Graphite flake is provided, and the upper surface of graphite flake is provided with the first protective film, the lower surface opposite with upper surface is also set
It is equipped with the second protective film；First protective film and the second protective film are PET materials, and thickness is 50 μm；Graphite flake thickness is 10 μm,
Thermal coefficient is 1500w/ (m.k).
The first protective film is torn, the evaporation metal copper on the side surface that graphite flake exposes, evaporation rate 300m/
Min, thickness of coating
Then the pressure-sensitive adhesive coating on light release film, 15 μm of coating thickness are bonded heavy release film.It tears light-duty release
Film, while the second protective film of graphite flake is torn, so that pressure sensitive adhesive side and graphite flake is bonded, obtains final heat-conducting glue band.
The performance of heat-conducting glue band is characterized, it is as a result as follows：
Thermal coefficient (directions z)：110w/(m.k)；Thermal coefficient (horizontal direction)：1180w/(m.k)；Peeling force
(180°)：820gf；Bending resistance：OK.
Embodiment 6
This embodiment offers heat-conducting glue band, structure is as shown in Figure 1, include first coat of metal, graphite from the bottom to top
Layer, pressure-sensitive adhesive layer and release film.Specific preparation process is as follows：
Graphite flake is provided, and the upper surface of graphite flake is provided with the first protective film, the lower surface opposite with upper surface is also set
It is equipped with the second protective film；First protective film and the second protective film are PET materials, and thickness is 50 μm；Graphite flake thickness is 8 μm,
Thermal coefficient is 1500w/ (m.k).
The first protective film is torn, the evaporation metal copper on the side surface that graphite flake exposes, evaporation rate 300m/
Min, thickness of coating
Then the pressure-sensitive adhesive coating on light release film, 15 μm of coating thickness are bonded heavy release film.It tears light-duty release
Film, while the second protective film of graphite flake is torn, so that pressure sensitive adhesive side and graphite flake is bonded, obtains final heat-conducting glue band.
The performance of heat-conducting glue band is characterized, it is as a result as follows：
Thermal coefficient (directions z)：100w/(m.k)；Thermal coefficient (horizontal direction)：1090w/(m.k)；Peeling force
(180°)：780gf；Bending resistance：OK.
Embodiment 7
This embodiment offers heat-conducting glue band, structure is as shown in Figure 1, include first coat of metal, graphite from the bottom to top
Layer, pressure-sensitive adhesive layer and release film.Specific preparation process is as follows：
Graphite flake is provided, and the upper surface of graphite flake is provided with the first protective film, the lower surface opposite with upper surface is also set
It is equipped with the second protective film；First protective film and the second protective film are PET materials, and thickness is 50 μm；Graphite flake thickness is 17 μm,
Thermal coefficient is 1000w/ (m.k).
The first protective film is torn, the evaporation metal copper on the side surface that graphite flake exposes, evaporation rate 300m/
Min, thickness of coating
Then the pressure-sensitive adhesive coating on light release film, 15 μm of coating thickness are bonded heavy release film.It tears light-duty release
Film, while the second protective film of graphite flake is torn, so that pressure sensitive adhesive side and graphite flake is bonded, obtains final heat-conducting glue band.
The performance of heat-conducting glue band is characterized, it is as a result as follows：
Thermal coefficient (directions z)：120w/(m.k)；Thermal coefficient (horizontal direction)：1000w/(m.k)；Peeling force
(180°)：820gf；Bending resistance：OK.
Embodiment 8
This embodiment offers heat-conducting glue band, structure is as shown in Figure 1, include first coat of metal, graphite from the bottom to top
Layer, pressure-sensitive adhesive layer and release film.Specific preparation process is as follows：
Graphite flake is provided, and the upper surface of graphite flake is provided with the first protective film, the lower surface opposite with upper surface is also set
It is equipped with the second protective film；First protective film and the second protective film are PET materials, and thickness is 50 μm；Graphite flake thickness is 17 μm,
Thermal coefficient is 800w/ (m.k).
The first protective film is torn, the evaporation metal copper on the side surface that graphite flake exposes, evaporation rate 300m/
Min, thickness of coating
Then the pressure-sensitive adhesive coating on light release film, 15 μm of coating thickness are bonded heavy release film.It tears light-duty release
Film, while the second protective film of graphite flake is torn, so that pressure sensitive adhesive side and graphite flake is bonded, obtains final heat-conducting glue band.
The performance of heat-conducting glue band is characterized, it is as a result as follows：
Thermal coefficient (directions z)：110w/(m.k)；Thermal coefficient (horizontal direction)：700w/(m.k)；Peeling force
(180°)：820gf；Bending resistance：OK.
Embodiment 9
This embodiment offers heat-conducting glue band, structure is as shown in Fig. 2, include first coat of metal, graphite from the bottom to top
Layer, second coat of metal, pressure-sensitive adhesive layer and release film.Specific preparation process is as follows：
Graphite flake is provided, and the upper surface of graphite flake is provided with the first protective film, the lower surface opposite with upper surface is also set
It is equipped with the second protective film；First protective film and the second protective film are PET materials, and thickness is 50 μm；Graphite flake thickness is 17 μm,
Thermal coefficient is 1500w/ (m.k).
The first protective film is torn, the evaporation metal copper on the side surface that graphite flake exposes, evaporation rate 300m/
Min, thickness of coatingThen the second protective film is torn, the evaporation metal copper on another side surface that graphite flake exposes,
Evaporation rate is 300m/min, thickness of coating
Then the pressure-sensitive adhesive coating on light release film, 15 μm of coating thickness are bonded heavy release film.It tears light-duty release
Film makes pressure sensitive adhesive side and the second protective film be bonded, obtains final heat-conducting glue band.
The performance of heat-conducting glue band is characterized, it is as a result as follows：
Thermal coefficient (directions z)：140w/(m.k)；Thermal coefficient (horizontal direction)：1300w/(m.k)；Peeling force
(180°)：810gf；Bending resistance：OK.
Comparative example 1
This embodiment offers heat-conducting glue band, structure includes copper foil, pressure-sensitive adhesive layer and release film from the bottom to top.Specific system
Standby technique is as follows：
The copper foil that thickness is 9 μm is provided；
Then the pressure-sensitive adhesive coating on light release film, 15 μm of coating thickness are bonded heavy release film.It tears light-duty release
Film makes pressure sensitive adhesive side and copper foil be bonded, obtains final heat-conducting glue band.
The performance of heat-conducting glue band is characterized, it is as a result as follows：
Thermal coefficient (directions z)：400w/(m.k)；Thermal coefficient (horizontal direction)：0.5w/(m.k)；Peeling force
(180°)：800gf；Bending resistance：Folding line is apparent.
It can be seen from the above description that the above embodiments of the present invention realize following technique effect：The present invention carries
The heat-conducting glue band of confession can have both preferable bending resistance and heat conductivility vertical, in horizontal direction, be highly suitable for
It is used in OLED screen curtain cooling measure.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of heat-conducting glue band, which is characterized in that including heat-conducting layer (10) and on (10) one side surface of the heat-conducting layer
Pressure-sensitive adhesive layer (20), wherein the heat-conducting layer (10) includes：
Graphite linings (11) are arranged close to the pressure-sensitive adhesive layer (20)；
First coat of metal (12) is arranged on surface of the graphite linings (11) far from the pressure-sensitive adhesive layer (20) side.
2. heat-conducting glue band according to claim 1, which is characterized in that the heat-conducting layer (10) further includes second coat of metal
(13), surface of second coat of metal (13) setting in the close pressure-sensitive adhesive layer (20) side of the graphite linings (11)
On.
3. heat-conducting glue band according to claim 2, which is characterized in that the thickness of first coat of metal (12) isPreferably, the thickness of second coat of metal (13) is
4. heat-conducting glue band according to claim 3, which is characterized in that first coat of metal (12) and second gold medal
The material for belonging to coating (13) is separately one or more in metallic copper, metallic aluminium, metallic silver and metallic gold.
5. heat-conducting glue band according to any one of claim 1 to 4, which is characterized in that the thickness of the graphite linings (11)
It is 10~30 μm；Preferably, the thickness of the pressure-sensitive adhesive layer (20) is 8~20 μm.
6. heat-conducting glue band according to any one of claim 1 to 5, which is characterized in that the heat-conducting glue band further include from
Type film (30), release film (30) setting is on surface of the pressure-sensitive adhesive layer (20) far from the heat-conducting layer (10) side.
7. a kind of production method of heat-conducting glue band according to any one of claims 1 to 6, which is characterized in that including following step
Suddenly：
Graphite linings (11) are provided；
First coat of metal (12) is formed on a side surface of the graphite linings (11) in the way of metal evaporation or sputtering,
And then form heat-conducting layer (10)；
The setting pressure-sensitive adhesive layer (20) on the surface far from first coat of metal (12) side of the graphite linings (11), into
And form the heat-conducting glue band.
8. production method according to claim 7, which is characterized in that formed first coat of metal (12) the step of it
Afterwards, the production method further includes：
In table of the graphite linings (11) far from first coat of metal (12) side in the way of metal evaporation or sputtering
Second coat of metal (13) is formed on face, and then forms the heat-conducting layer (10)；
The pressure-sensitive adhesive layer (20) is set on surface of second coat of metal (13) far from the graphite linings (11) side,
And then form the heat-conducting glue band.
9. production method according to claim 8, which is characterized in that described in the step of providing the graphite linings (11)
The upper surface of graphite linings (11) is additionally provided with the first protective film, and the lower surface opposite with the upper surface is additionally provided with the second protection
Film；
Before the step of forming first coat of metal (12), first protective film is first removed；
Before the step of forming second coat of metal (13), second protective film is first removed.
10. the production method according to any one of claim 7 to 9, which is characterized in that form the pressure-sensitive adhesive layer (20)
The step of after, the production method further include the pressure-sensitive adhesive layer (20) far from the heat-conducting layer (10) side surface on
The step of release film (30) are set.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711462200.9A CN108531093A (en) | 2017-12-28 | 2017-12-28 | Heat-conducting glue band and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711462200.9A CN108531093A (en) | 2017-12-28 | 2017-12-28 | Heat-conducting glue band and preparation method thereof |
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| CN108531093A true CN108531093A (en) | 2018-09-14 |
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ID=63489678
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711462200.9A Pending CN108531093A (en) | 2017-12-28 | 2017-12-28 | Heat-conducting glue band and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109777316A (en) * | 2019-01-28 | 2019-05-21 | 东莞市澳中电子材料有限公司 | A kind of high thermal conductivity graphite glue band and preparation method thereof |
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| CN103059761A (en) * | 2012-12-28 | 2013-04-24 | 斯迪克新型材料（江苏）有限公司 | High-heat conductivity coefficient graphite heat-radiation adhesive tape |
| CN204022732U (en) * | 2014-07-01 | 2014-12-17 | 苏州斯迪克新材料科技股份有限公司 | Composite base material type heatproof adhesive tape |
| KR20150073622A (en) * | 2013-12-23 | 2015-07-01 | (주)창성 | A composite film using conductive adhesion layers, having improved heat sink capabilities with graphite layer and method of fabricating the same. |
| CN204897813U (en) * | 2015-08-26 | 2015-12-23 | 东莞市粤辉实业有限公司 | Heat dissipation sticky tape |
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2017
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103059761A (en) * | 2012-12-28 | 2013-04-24 | 斯迪克新型材料（江苏）有限公司 | High-heat conductivity coefficient graphite heat-radiation adhesive tape |
| KR20150073622A (en) * | 2013-12-23 | 2015-07-01 | (주)창성 | A composite film using conductive adhesion layers, having improved heat sink capabilities with graphite layer and method of fabricating the same. |
| CN204022732U (en) * | 2014-07-01 | 2014-12-17 | 苏州斯迪克新材料科技股份有限公司 | Composite base material type heatproof adhesive tape |
| CN204897813U (en) * | 2015-08-26 | 2015-12-23 | 东莞市粤辉实业有限公司 | Heat dissipation sticky tape |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109777316A (en) * | 2019-01-28 | 2019-05-21 | 东莞市澳中电子材料有限公司 | A kind of high thermal conductivity graphite glue band and preparation method thereof |
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