CN207958226U - A kind of heat-conducting glue band - Google Patents
A kind of heat-conducting glue band Download PDFInfo
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- CN207958226U CN207958226U CN201721885055.0U CN201721885055U CN207958226U CN 207958226 U CN207958226 U CN 207958226U CN 201721885055 U CN201721885055 U CN 201721885055U CN 207958226 U CN207958226 U CN 207958226U
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Abstract
The utility model provides a kind of heat-conducting glue band.A kind of heat-conducting glue band, including the release film, the first adhesive layer, the first metal foil, the second adhesive layer, graphite flake, third adhesive layer, the second metal foil and the foamed cotton layer that are bonded successively.Compared with prior art, the utility model has the characteristics that：1, increase graphite flake and improve thermal conductivity：The thermal conductivity of adhesive tape is improved using the structure of the sandwich graphite flake of metal foil；2, increase the cracking resistance that foam improves adhesive tape：The power that foam can be impacted with buffering adhesive band reduces the risk of screen fragmentation；3, multilayer functional material is integrated, can a step be machined in electronic display, avoid multistep fitting when heavy industry difference problem.
Description
Technical field
The utility model is related to tape technology fields, more particularly, to a kind of heat-conducting glue band.
Background technology
In the component of electronic equipment, heat-conducting glue band is a kind of necessary membrane material, mainly plays conductive force.As electronics is set
Standby fast development, current heat-conducting glue band tends to Mobyneb, in addition to heat conduction, also has both the functions such as enhancing, shatter-resistant.With anti-
For the heat-conducting glue band of fragmentation, general structure is：Copper foil is integrated with foam by PSA stickups；However, being needed due to pasting
Certain thickness PSA is wanted, and PSA is high-molecular compound, heat transfer efficiency is relatively low, therefore, reduces whole heat dissipation effect.
In view of this, special propose the utility model.
Utility model content
The purpose of this utility model is to provide a kind of heat-conducting glue band, the heat-conducting glue band solves existing heat-conducting glue band
The problem of heat dissipation effect difference.
In order to achieve the goal above, the utility model provides following technical scheme.
A kind of heat-conducting glue band, including the release film, the first adhesive layer, the first metal foil, the second adhesive layer, the stone that are bonded successively
Ink sheet, third adhesive layer, the second metal foil and foamed cotton layer.
Compared with prior art, the utility model has the characteristics that：
1, increase graphite flake and improve thermal conductivity：
The thermal conductivity of adhesive tape is improved using the structure of the sandwich graphite flake of metal foil；
2, increase the cracking resistance that foam improves adhesive tape：
The power that foam can be impacted with buffering adhesive band reduces the risk of screen fragmentation；
3, multilayer functional material is integrated, can a step be machined in electronic display, avoid multistep fitting when weight
The problem of work difference.
In order to further increase the comprehensive performance of heat-conducting glue band, can also improve from the following aspect.
Preferably, the foam is fitted in by pouring type in second metal foil.
The utility model is that the second metal foil is made to be bonded as one with foamed cotton layer by way of cast, avoids introducing pressure-sensitive
The problem of glue causes integral heat sink to reduce.
Metal foil as heat conduction main body it is necessary to have good thermal conductivity, aluminium foil, copper foil or tinfoil paper etc. can be selected.
Preferably, it is set at least one of first adhesive layer, second adhesive layer and described third adhesive layer
There is through-hole.
Through-hole, which is arranged, can make identical between the layer (metal foil and graphite flake) of high heat conduction, improve radiating efficiency.
Preferably, the through-hole is in array distribution.
Rule is got in the distribution of through-hole, and heat dissipation uniformity is better.
Preferably, first adhesive layer and second adhesive layer are equipped with through-hole, and on first adhesive layer
Through-hole be interspersed with the through-hole on second adhesive layer.
When being interspersed, the thermal conductivity of adhesive tape in surface direction everywhere can be made consistent, improve stability in use.
Similarly, it is preferable that second adhesive layer and the third adhesive layer are equipped with through-hole, and second gluing
Through-hole on layer is interspersed with the through-hole on the third adhesive layer.
Preferably, the release film is grid release film.
Grid release film more easy mold release, it is easy to use.
Preferably, the adhesive layer is pressure-sensitive adhesive layer, preferably polyacrylic, polyurethanes or organic silicon.
Pressure-sensitive adhesive layer is glue type the most commonly used in the processing of current liquid crystal display, in order to extend the applicable model of the utility model
It encloses, preferably pressure-sensitive adhesive layer.
Available pressure-sensitive adhesive layer has polyacrylic, polyurethanes or organic silicon.
Preferably, the method for the cast is：Uncured foam after foaming is directly poured on copper foil, resolidification.
Preferably, the foamed cotton layer is mainly made of following material mixed foaming：By weight, 100 parts of polyether polyol,
1~2.5 part of 25~40 parts of methyl diphenylene diisocyanate, 0.8~2 part of water, 0.3~1 part of catalyst and silicone oil；The polyethers
The hydroxyl value of polyalcohol is 80~140.
Preferably, the foamed cotton layer is mainly made of following material mixed foaming：By weight, 100 parts of polyether polyol,
1~2 part of 25~35 parts of methyl diphenylene diisocyanate, 0.8~1.5 part of water, 0.5~1 part of catalyst and silicone oil；The polyethers
The hydroxyl value of polyalcohol is 110~130.
Preferably, the polyether polyol passes through following pretreatment：By polyether polyol under the conditions of 130-140 DEG C vacuum
Dehydration, moisture are less than 0.3%.
Preferably, the foamed cotton layer is mainly made of following material mixed foaming：
By weight, 100 parts of polyether polyol, 30~40 parts of methyl diphenylene diisocyanate (MDI), 1~2 part of water,
1.5~2.5 parts of 0.3~0.8 part of catalyst and silicone oil；
The hydroxyl value of the polyether polyol is 80~140.
The utility model and the raw material different from used in conventional polyurethanes, to obtain different performances.
On the one hand polyurethane foam used in the utility model works as a buffer, on the other hand also to avoid in assembling process
The dust pick up issues of generation, therefore the foam of the utility model need to have certain resistance.In consideration of it, the utility model with
Water is foaming agent, and polyether polyol that certain hydroxyl value is 80~140 is selected then to be equipped with monomer diphenyl methane two as monomer
Isocyanates, catalyst and foaming stabiliser silicone oil, the impedance of made foam can reach 1012Ω or more.
Since foaming agent used, monomer and the prior art are had any different, suitable blowing temperature is also had any different, this reality
It it is 80~90 DEG C with the temperature of novel suitable mixed foaming, such as 80 DEG C, 82 DEG C, 84 DEG C, 85 DEG C, 86 DEG C, 88 DEG C, 90 DEG C
It is 5-10min Deng, foamable reaction time.
Polyether polyol used in the utility model is handled preferably through vacuum dehydration, to reduce the unfavorable shadow to foaming
It rings, water content is excellent to be less than 0.3%.
Preferably, the foamed cotton layer is mainly made of following material mixed foaming：
By weight, 100 parts of polyether polyol, 35~40 parts of methyl diphenylene diisocyanate, 1~1.5 part of water, catalysis
1.5~2 parts of 0.5~0.8 part of agent and silicone oil；
The hydroxyl value of the polyether polyol is 80~110.
Preferably, the mixing of reinforcing agent or fire retardant or both is additionally added when preparing the foamed cotton layer.
Reinforcing agent and fire retardant is added can improve the intensity and flame retardant property of foam respectively, and especially flame retardant property is to electricity
Sub- product is of crucial importance.
Preferably, the reinforcing agent is one or more in nano silicon dioxide, montmorillonite, carbon black and carbon nanotube,
Such as the mixing of nano silicon dioxide, montmorillonite, carbon black, carbon nanotube or carbon black and carbon nanotube；It is preferred that carbon black or carbon are received
The mixing of mitron or both.
Preferably, the fire retardant is halogenated flame retardant, preferably 2,3- dibromo-propanols.
The additional proportion of reinforcing agent and fire retardant can also influence the performance of foam, through investigating, using following ratio：
Preferably, the reinforcing agent and the mass ratio of the polyether polyol are 4~10：100, preferably 5~10：100；
Preferably, the fire retardant and the mass ratio of the polyether polyol are 4~6：100.
Preferably, the catalyst is one kind or more in stannous octoate, stannous iso caprylate and dibutyl tin laurate
Kind, preferably octanoic acid stannous；
Preferably, the molecular weight of the polyether polyol is 800~1500, preferably 1000~1500 or 800-1200.
To sum up, compared with prior art, the utility model has reached following technique effect：
(1) radiating efficiency of adhesive tape is improved by the structure of the sandwich graphite flake of metal foil；
(2) existing foam and the bonding mode of metal foil are changed：
The problem of being reduced in so avoiding thermal conductivity, and PSA is saved, reduce cost of material；
(3) foam, graphite flake and metal foil collection are integrated, heavy industry difference asks when avoiding substep processing screen
Topic；
(4) its impedance behavior is improved by improving the formula of foam；
(5) modifying agent such as reinforcing agent, fire retardant are added in the raw material of foam, improve the comprehensive performance of foam.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram for the heat-conducting glue band that the utility model embodiment 1 provides.
Specific implementation mode
The technical solution of the utility model is clearly and completely retouched below in conjunction with the drawings and specific embodiments
It states, it will be appreciated by those skilled in the art that following described embodiment is the utility model a part of the embodiment, without
It is whole embodiment, is merely to illustrate the utility model, and is not construed as limitation the scope of the utility model.Based on this practicality
Embodiment in novel, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.The person that is not specified actual conditions in embodiment, according to normal condition or manufacturer
It is recommended that condition carry out.Reagents or instruments used without specified manufacturer is the routine that can be obtained by commercially available purchase
Product.
All embodiments of the utility model are to be based on following nuclear structure and material：
A kind of heat-conducting glue band, including the release film, the first adhesive layer, the first metal foil, the second adhesive layer, the stone that are bonded successively
Ink sheet, third adhesive layer, the second metal foil and foamed cotton layer.
On the basis of the above core scheme, each embodiment of the utility model is also improved from the following aspect.
The foamed cotton layer is fitted in by pouring type in second metal foil.
Preferably, the foamed cotton layer is bonded by adhesive with second metal foil.
Preferably, the metal foil is aluminium foil.
Preferably, the metal foil is copper foil.
Preferably, it is set at least one of first adhesive layer, second adhesive layer and described third adhesive layer
There is through-hole.
Preferably, the through-hole is in array distribution.
Preferably, first adhesive layer and second adhesive layer are equipped with through-hole, and on first adhesive layer
Through-hole be interspersed with the through-hole on second adhesive layer.
Preferably, second adhesive layer and the third adhesive layer are equipped with through-hole, and on second adhesive layer
Through-hole be interspersed with the through-hole on the third adhesive layer.
Preferably, the release film is grid release film.
Preferably, the metal foil is aluminium foil, copper foil or tinfoil paper；
Preferably, the adhesive layer is pressure-sensitive adhesive layer, preferably polyacrylic, polyurethanes or organic silicon；
Preferably, the method for the cast is：Uncured foam after foaming is directly poured on copper foil, resolidification；
Preferably, the foamed cotton layer is mainly made of following material mixed foaming：By weight, 100 parts of polyether polyol,
1~2.5 part of 25~40 parts of methyl diphenylene diisocyanate, 0.8~2 part of water, 0.3~1 part of catalyst and silicone oil；The polyethers
The hydroxyl value of polyalcohol is 80~140；
Preferably, the foamed cotton layer is mainly made of following material mixed foaming：By weight, 100 parts of polyether polyol,
1~2 part of 25~35 parts of methyl diphenylene diisocyanate, 0.8~1.5 part of water, 0.5~1 part of catalyst and silicone oil；The polyethers
The hydroxyl value of polyalcohol is 110~130；
Preferably, the polyether polyol passes through following pretreatment：By polyether polyol under the conditions of 130-140 DEG C vacuum
Dehydration, moisture are less than 0.3%.
Preferably, the foamed cotton layer is mainly made of following material mixed foaming：
By weight, 100 parts of polyether polyol, 30~40 parts of methyl diphenylene diisocyanate, 1~2 part of water, catalyst
0.3~0.8 part and 1.5~2.5 parts of silicone oil；
The hydroxyl value of the polyether polyol is 80~140.
Preferably, the foamed cotton layer is mainly made of following material mixed foaming：
By weight, 100 parts of polyether polyol, 35~40 parts of methyl diphenylene diisocyanate, 1~1.5 part of water, catalysis
1.5~2 parts of 0.5~0.8 part of agent and silicone oil；
The hydroxyl value of the polyether polyol is 80~110.
Preferably, the temperature of the mixed foaming is 80~90 DEG C.
Preferably, the mixing of reinforcing agent or fire retardant or both is additionally added when preparing the foamed cotton layer.
Preferably, the reinforcing agent is one or more in nano silicon dioxide, montmorillonite, carbon black and carbon nanotube,
It is preferred that the mixing of carbon black or carbon nanotube or both；
Preferably, the fire retardant is halogenated flame retardant, preferably 2,3- dibromo-propanols.
Preferably, the reinforcing agent and the mass ratio of the polyether polyol are 4~10：100, preferably 5~10：100；
Preferably, the fire retardant and the mass ratio of the polyether polyol are 4~6：100.
Preferably, the catalyst is one kind or more in stannous octoate, stannous iso caprylate and dibutyl tin laurate
Kind, preferably octanoic acid stannous.
Preferably, the molecular weight of the polyether polyol is 800~1500, preferably 1000~1500 or 800-1200.
Hereafter the thickness of foam is 0.1mm in all embodiments.
Embodiment 1
A kind of heat-conducting glue band：
Prepare foam：
By polyether polyol vacuum dehydration under the conditions of 130-140 DEG C, moisture is less than 0.3%, and polyether polyol (is divided
Son amount：1000, hydroxyl value：110) 100 parts, 35 parts of MDI, water (foaming agent)：1.5 parts, stannous octoate (catalyst)：0.5 part, silicon
Oil：2 parts, 5 parts of carbon nanotube, 80-82 DEG C of reaction temperature is reacted 10min, is then poured on copper foil, and copper foil is 9 μm of thickness
Rolled copper foil is poured into mold, molding.
The PSA of 10 μm of coating first on the first copper foil, is bonded electrographite piece, and 12 μm of PSA is coated in graphite flake layer,
9 μm of second copper foils of calendering of fitting, 13umPSA is then coated on the second copper foil, is bonded grid release film, then on the first copper foil
The other side of opposite graphite flake is coated with PSA, is bonded above-mentioned foam, winds.
Final structure is as shown in Figure 1, include release film 1, the first adhesive layer 2, the first metal foil 3, the second adhesive layer successively
4, graphite flake 5, third adhesive layer 6, the second metal foil 7 and foamed cotton layer 8.
Embodiment 2
It is that the composition of foam is different from the main distinction of embodiment 1, it is specific as follows.
Prepare foam：
By polyether polyol vacuum dehydration under the conditions of 130-140 DEG C, moisture is less than 0.3%, and polyether polyol (is divided
Son amount：1000, hydroxyl value：110) 100 parts, MDI30 parts, water (foaming agent)：2 parts, stannous octoate (catalyst)：0.3 part, silicone oil：
2.5 parts, 4 parts of carbon nanotube, 2,3- 6 parts of dibromo-propanols, 88-90 DEG C of reaction temperature, react 5min, be then poured on copper foil,
Copper foil is the rolled copper foil of 9 μm of thickness, is poured into mold, is molded.
The PSA of 10 μm of coating first on the first copper foil, is bonded electrographite piece, and 12 μm of PSA is coated in graphite flake layer,
9 μm of second copper foils of calendering of fitting, 13umPSA is then coated on the second copper foil, is bonded grid release film, then on the first copper foil
The other side of opposite graphite flake is coated with PSA, is bonded above-mentioned foam, winds.
Embodiment 3
It is that the composition of foam is different from the main distinction of embodiment 1, it is specific as follows.
Prepare foam：
By polyether polyol vacuum dehydration under the conditions of 130-140 DEG C, moisture is less than 0.3%, and polyether polyol (is divided
Son amount：1000, hydroxyl value：110) 100 parts, 40 parts of MDI, water (foaming agent)：1 part, stannous octoate (catalyst)：0.8 part, silicone oil：
1.5 parts, 6 parts of carbon nanotube, 2,3- 4 parts of dibromo-propanols, 88-90 DEG C of reaction temperature, react 5min, be then poured on copper foil,
Copper foil is the rolled copper foil of 9 μm of thickness, is poured into mold, is molded.
The PSA of 10 μm of coating first on the first copper foil, is bonded electrographite piece, and 12 μm of PSA is coated in graphite flake layer,
9 μm of second copper foils of calendering of fitting, 13umPSA is then coated on the second copper foil, is bonded grid release film, then on the first copper foil
The other side of opposite graphite flake is coated with PSA, is bonded above-mentioned foam, winds.
Embodiment 4
It is that the hydroxyl value of polyether polyol is different from the main distinction of embodiment 1, it is specific as follows.
Prepare foam：
By polyether polyol vacuum dehydration under the conditions of 130-140 DEG C, moisture is less than 0.3%, and polyether polyol (is divided
Son amount：1500, hydroxyl value：140) 100 parts, 35 parts of MDI, water (foaming agent)：1.5 parts, stannous octoate (catalyst)：0.5 part, silicon
Oil：2 parts, 5 parts of carbon nanotube, 80-82 DEG C of reaction temperature reacts 10min, is then poured into mold, obtains 0.1mm's or so
Foam.
The PSA of 10 μm of coating first on the first copper foil, is bonded electrographite piece, and 12 μm of PSA is coated in graphite flake layer,
9 μm of second copper foils of calendering of fitting, 13umPSA is then coated on the second copper foil, is bonded grid release film, then on the first copper foil
The other side of opposite graphite flake is coated with PSA, is bonded above-mentioned foam, winds.
Embodiment 5
It is that the hydroxyl value of polyether polyol is different from the main distinction of embodiment 1, it is specific as follows.
Prepare foam：
By polyether polyol vacuum dehydration under the conditions of 130-140 DEG C, moisture is less than 0.3%, and polyether polyol (is divided
Son amount：800, hydroxyl value：80) 100 parts, 35 parts of MDI, water (foaming agent)：1.5 parts, stannous octoate (catalyst)：0.5 part, silicone oil：
2 parts, 5 parts of carbon nanotube, 80-82 DEG C of reaction temperature reacts 10min, is then poured on copper foil, is poured into mold, is molded.
The PSA of 10 μm of coating first on the first copper foil, is bonded electrographite piece, and 12 μm of PSA is coated in graphite flake layer,
9 μm of second copper foils of calendering of fitting, 13umPSA is then coated on the second copper foil, is bonded grid release film, then on the first copper foil
The other side of opposite graphite flake is coated with PSA, is bonded above-mentioned foam, winds.
Embodiment 6
It is different that the condition of cast is essentially consisted in from the difference of embodiment 1, it is specific as follows.
By polyether polyol vacuum dehydration under the conditions of 130-140 DEG C, moisture is less than 0.3%, and polyether polyol (is divided
Son amount：1000, hydroxyl value：110) 100 parts, 35 parts of MDI, water (foaming agent)：1.5 parts, stannous octoate (catalyst)：0.5 part, silicon
Oil：2 parts, 5 parts of carbon nanotube, 80-82 DEG C of reaction temperature is reacted 10min, is then poured on copper foil, and copper foil is 9 μm of thickness
Then rolled copper foil is poured into mold, obtain the foam of 0.1mm or so.
The PSA of 10 μm of coating first on the first copper foil, is bonded electrographite piece, and 12 μm of PSA is coated in graphite flake layer,
9 μm of second copper foils of calendering of fitting, 13umPSA is then coated on the second copper foil, is bonded grid release film, then on the first copper foil
The other side of opposite graphite flake is coated with PSA, is bonded above-mentioned foam, winds.
In all of above embodiment, the adhesive (predominantly PSA) between each layer, i.e., adhesive layer can be carried out from structure
It improves, for example, through-hole is arranged in each adhesive layer, the mode for manufacturing through-hole has very much, such as：
Glue (predominantly pressure sensitive adhesive) is then coated on by 1, the suitable mold of pre-production, the coated release agent into mold
Thereon, it is fabricated with the adhesive layer of through-hole, be then again bonded the adhesive layer with corresponding other layers (such as copper foil or graphite
Piece).
Alternatively,
2, first (such as the copper foil or graphite flake) pressure-sensitive adhesive coating on corresponding layer, then makes glue with the mechanical force of pressure roller again
Through-hole is formed on layer.
In addition, through-hole is preferably interspersed with array arrangement for the through-hole on excellent and adjacent psa layer.
Comparative example 1
Difference lies in foam formula is different from embodiment 1：
By polyether polyol vacuum dehydration under the conditions of 130-140 DEG C, moisture is less than 0.3%, polyether polyol (hydroxyl
Value：430) 100 parts, 125 parts of MDI, HCFC-14LB (foaming agent)：25 parts, stannous octoate (catalyst)：1 part, silicone oil：2 parts,
0.5 part of carbon nanotube, 20-25 DEG C of reaction temperature are reacted 10min, are then poured on copper foil, and copper foil is the calendering of 9 μm of thickness
Then copper foil is poured into mold, obtain the foam of 0.1mm or so.Remaining prepares the process of adhesive tape with embodiment 1.
Comparative example 2
That difference lies in foams is different with the laminating type of copper foil from embodiment 1：
Prepare foam：
By polyether polyol vacuum dehydration under the conditions of 130-140 DEG C, moisture is less than 0.3%, and polyether polyol (is divided
Son amount：1000, hydroxyl value：110) 100 parts, 35 parts of MDI, water (foaming agent)：1.5 parts, stannous octoate (catalyst)：0.5 part, silicon
Oil：2 parts, 5 parts of carbon nanotube, 80-82 DEG C of reaction temperature reacts 10min, is then poured into mold, obtains 0.1mm's or so
Foam.
In the side of copper foil, PSA is coated with using slit type extrusion pressing type coating machine (slot die), coating thickness is 10 μm,
Then it is bonded foam；It is also coated with PSA in the other side of copper foil, coating thickness is 10 μm, then pastes release film, is wound.
The performance such as table 1 for the foam that all of above embodiment and comparative example provides.
The performance of the different foams of table 1
| Impedance/Ω | Compressive strength/MPa | Anti-flammability | |
| Embodiment 1 | 1011.5 | 0.35 | V2 |
| Embodiment 2 | 1012 | 0.3 | V1 |
| Embodiment 3 | 1011 | 0.45 | V1 |
| Embodiment 4 | 1011.5 | 0.37 | V2 |
| Embodiment 5 | 1011.5 | 0.32 | V2 |
| Embodiment 6 | 1011.5 | 0.35 | V2 |
| Comparative example 1 | 1013 | 0.1 | <V2 |
| Comparative example 2 | 1011.5 | 0.35 | V2 |
The heat conductivility such as table 2 for the adhesive tape that all of above embodiment and comparative example provides.
The shading performance of the different adhesive tapes of table 2
Note：
Thermal coefficient is tested using heat conduction coefficient tester (LW9389, ASTM 5470)；It is surveyed using vertical burn test instrument
Try anti-flammability, test establishing criteria UL-94.
It can determine according to the result of Tables 1 and 2：
1, the mode bonded compared to PSA, pouring type obtain the thermal coefficient higher of heat-conducting glue band；
2, the pairs of performance of the group of foam has a major impact：Foam density is smaller, and thermal coefficient is lower in Z-direction.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of heat-conducting glue band, which is characterized in that including be bonded successively release film, the first adhesive layer, the first metal foil, second
Adhesive layer, graphite flake, third adhesive layer, the second metal foil and foamed cotton layer.
2. heat-conducting glue band according to claim 1, which is characterized in that the foamed cotton layer is fitted in described by pouring type
In second metal foil.
3. heat-conducting glue band according to claim 1, which is characterized in that the foamed cotton layer passes through adhesive and second gold medal
Belong to foil fitting.
4. heat-conducting glue band according to claim 1, which is characterized in that first metal foil and second metal foil are
Aluminium foil.
5. heat-conducting glue band according to claim 1, which is characterized in that first metal foil and second metal foil are
Copper foil.
6. heat-conducting glue band according to claim 1, which is characterized in that first adhesive layer, second adhesive layer and
At least one of described third adhesive layer is equipped with through-hole.
7. heat-conducting glue band according to claim 6, which is characterized in that the through-hole is in array distribution.
8. heat-conducting glue band according to claim 6, which is characterized in that first adhesive layer and second adhesive layer are equal
Equipped with through-hole, and the through-hole on first adhesive layer is interspersed with the through-hole on second adhesive layer.
9. heat-conducting glue band according to claim 6, which is characterized in that second adhesive layer and the third adhesive layer are equal
Equipped with through-hole, and the through-hole on second adhesive layer is interspersed with the through-hole on the third adhesive layer.
10. heat-conducting glue band according to claim 1, which is characterized in that the release film is grid release film.
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| CN201721885055.0U CN207958226U (en) | 2017-12-28 | 2017-12-28 | A kind of heat-conducting glue band |
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| CN201721885055.0U CN207958226U (en) | 2017-12-28 | 2017-12-28 | A kind of heat-conducting glue band |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109705768A (en) * | 2018-11-29 | 2019-05-03 | 安徽荣泽科技有限公司 | A kind of pet release film manufacture craft |
| CN110066625A (en) * | 2019-04-24 | 2019-07-30 | 湖南省普瑞达内装材料有限公司 | A kind of heat-conducting double-sided adhesive tape |
| CN111231358A (en) * | 2020-03-04 | 2020-06-05 | 昆山贝松精密电子有限公司 | Copper foil conductive adhesive tape multilayer material composite assembly and pasting process |
| CN113773760A (en) * | 2021-09-28 | 2021-12-10 | 惠州市昌达胶粘制品有限公司 | Multifunctional electric-conductive heat-conductive composite adhesive tape |
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2017
- 2017-12-28 CN CN201721885055.0U patent/CN207958226U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109705768A (en) * | 2018-11-29 | 2019-05-03 | 安徽荣泽科技有限公司 | A kind of pet release film manufacture craft |
| CN110066625A (en) * | 2019-04-24 | 2019-07-30 | 湖南省普瑞达内装材料有限公司 | A kind of heat-conducting double-sided adhesive tape |
| CN111231358A (en) * | 2020-03-04 | 2020-06-05 | 昆山贝松精密电子有限公司 | Copper foil conductive adhesive tape multilayer material composite assembly and pasting process |
| CN113773760A (en) * | 2021-09-28 | 2021-12-10 | 惠州市昌达胶粘制品有限公司 | Multifunctional electric-conductive heat-conductive composite adhesive tape |
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