CN111073544A - Defoaming type graphite composite heat dissipation film - Google Patents
Defoaming type graphite composite heat dissipation film Download PDFInfo
- Publication number
- CN111073544A CN111073544A CN201911418726.6A CN201911418726A CN111073544A CN 111073544 A CN111073544 A CN 111073544A CN 201911418726 A CN201911418726 A CN 201911418726A CN 111073544 A CN111073544 A CN 111073544A
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- China
- Prior art keywords
- film
- heat dissipation
- layer
- defoaming
- graphite composite
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 92
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 63
- 239000010439 graphite Substances 0.000 title claims abstract description 63
- 239000002131 composite material Substances 0.000 title claims abstract description 42
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000741 silica gel Substances 0.000 claims abstract description 9
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 9
- 239000012528 membrane Substances 0.000 claims abstract description 7
- 150000001875 compounds Chemical class 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 84
- 239000012790 adhesive layer Substances 0.000 claims description 19
- 229920002799 BoPET Polymers 0.000 claims description 18
- 239000003292 glue Substances 0.000 claims description 9
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 8
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 8
- 239000013464 silicone adhesive Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 5
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 3
- 229920000297 Rayon Polymers 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229920006267 polyester film Polymers 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- -1 polyethylene terephthalate Polymers 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000001815 facial effect Effects 0.000 abstract 1
- 238000013329 compounding Methods 0.000 description 2
- 239000003522 acrylic cement Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000002346 layers by function Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
Images
Classifications
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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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/29—Laminated material
-
- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/40—Adhesives in the form of films or foils characterised by release liners
- C09J7/403—Adhesives in the form of films or foils characterised by release liners characterised by the structure of the release feature
-
- 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
- C09J2301/16—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
-
- 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
- C09J2433/00—Presence of (meth)acrylic polymer
-
- 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
- C09J2467/00—Presence of polyester
- C09J2467/005—Presence of polyester in the release coating
-
- 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
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
Abstract
The invention provides a defoaming graphite composite heat dissipation film, which comprises: a release film, an intermediate heat dissipation layer and a protective film; the release film is compounded on one surface of the middle heat dissipation layer, a plurality of bulges are uniformly distributed on the compounded surface of the release film and the middle heat dissipation layer, and gaps among the bulges are communicated; the middle heat dissipation layer includes: first graphite layer and rather than compound second graphite layer mutually, the protection film includes: the black PET membrane and rather than the silica gel protection film of a facial features complex, the another side of black PET membrane is compound in the another side of middle heat dissipation layer, and the edge of protection film surpasss the edge setting of middle heat dissipation layer. The release film of the defoaming graphite composite heat dissipation film provided by the invention is provided with a plurality of bulges, which are beneficial to eliminating bubbles between the release film and the middle heat dissipation layer. Meanwhile, the defoaming graphite composite heat dissipation film provided by the invention is provided with the double-layer graphite layer, so that the heat dissipation performance is improved, and the requirement on the thickness in use is met.
Description
Technical Field
The invention relates to a film product, in particular to a defoaming graphite composite heat dissipation film.
Background
For electronic products, it is often necessary to arrange functional film products inside the products to achieve corresponding purposes, such as heat dissipation and light reflection. For a notebook, a film product capable of reflecting light, dissipating heat, shielding and the like needs to be arranged on a main board inside the notebook. However, in the conventional heat dissipation film product, since the heat dissipation film product is a composite film, air bubbles are easily generated between the release layer and the intermediate layer. Meanwhile, the thickness of the existing heat dissipation film cannot meet the use requirement. Therefore, it is necessary to provide a further solution to the above problems.
Disclosure of Invention
The invention aims to provide a defoaming graphite composite heat dissipation film to overcome the defects in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a defoaming graphite composite heat dissipating film comprising: a release film, an intermediate heat dissipation layer and a protective film;
the release film is compounded on one surface of the middle heat dissipation layer, a plurality of bulges are uniformly distributed on the compounded surface of the release film and the middle heat dissipation layer, and gaps among the bulges are communicated; the intermediate heat dissipation layer includes: first graphite layer and rather than compound second graphite layer mutually, the protection film includes: the black PET film and the silica gel protection film that rather than one side complex, the another side complex of black PET film in the another side of middle heat dissipation layer, and the edge of protection film surpasss the edge setting of middle heat dissipation layer.
As an improvement of the defoaming graphite composite heat dissipation film, the plurality of protrusions are uniformly distributed in an array form.
As an improvement of the defoaming graphite composite heat dissipation film, the release film is a polyester film, one surface of the release film is provided with the plurality of bulges, and the other surface of the release film is provided with an organic silicon coating.
As an improvement of the defoaming graphite composite heat dissipation film, the edge of the release film is arranged beyond the edges of the middle heat dissipation layer and the protection film.
As an improvement of the defoaming graphite composite heat dissipation film, the release film is compounded on one surface of the middle heat dissipation layer through a double-sided transparent film adhesive layer, and the double-sided transparent film adhesive layer comprises: PET film layer and the acrylic acid viscose layer of coating on its both sides.
As an improvement of the defoaming graphite composite heat dissipation film, the first graphite layer is compounded with the second graphite layer through a double-sided adhesive layer, and the double-sided adhesive layer comprises the following components in sequence: silicone adhesive layer, PET film layer, ya keli glue film.
As an improvement of the defoaming graphite composite heat dissipation film, the other surface of the black PET film is compounded on the other surface of the middle heat dissipation layer through a double-sided adhesive layer, and the double-sided adhesive layer comprises the following components in sequence: silicone adhesive layer, PET film layer, ya keli glue film.
As an improvement of the defoaming graphite composite heat dissipation film of the present invention, the silica gel protective film includes: antistatic transparent PET rete, coat in the silica gel layer of its one side.
As an improvement of the defoaming graphite composite heat dissipation film, one corner of the protection film is also connected with a pull handle, and the pull handle is a strip-shaped PET (polyethylene terephthalate) film and is adhered to the corner through acrylic glue.
As an improvement of the defoaming graphite composite heat dissipation film, the defoaming graphite composite heat dissipation film is also provided with a positioning hole.
Compared with the prior art, the invention has the beneficial effects that: the release film of the defoaming graphite composite heat dissipation film provided by the invention is provided with a plurality of bulges, which are beneficial to eliminating bubbles between the release film and the middle heat dissipation layer. Meanwhile, the defoaming graphite composite heat dissipation film provided by the invention is provided with the double-layer graphite layer, so that the heat dissipation performance is improved, and the requirement on the thickness in use is met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a top view of an embodiment of a defoaming graphite composite heat dissipation film of the present invention;
fig. 2 is an exploded view of the structure of the composite heat dissipation film of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, a defoaming graphite composite heat dissipation film according to an embodiment of the present invention includes: release film 1, middle heat dissipation layer 2, protection film 3.
In order to facilitate the attachment of the defoaming graphite composite heat dissipation film of the embodiment, a plurality of positioning holes 5 are further formed in the defoaming graphite composite heat dissipation film. In this embodiment, two positioning holes 51 are opened in the middle region of the defoaming graphite composite heat dissipation film, and the other positioning hole 52 is opened in the edge positions of the middle heat dissipation layer 2 and the protection film 3 through the middle heat dissipation layer 2 and the protection film 3.
The release film 1 is compounded on one surface of the middle heat dissipation layer 2. A plurality of bulges 11 are uniformly distributed on the surface of the release film 1 compounded with the middle heat dissipation layer 2, and gaps among the bulges 11 are communicated. So design, the clearance between a plurality of archs 11 forms and gets rid of the passageway from gaseous between type membrane 1 and the middle heat dissipation membrane to along with from the compounding of type membrane 1 and middle heat dissipation layer 2, can get rid of the gaseous extrusion between the two, realize the effect of good defoaming.
In one embodiment, the protrusions on one side of the release film 1 are uniformly arranged in an array. Specifically, the release film 1 may be a polyester film, one surface of which has a plurality of protrusions, and the other surface of which is provided with an organic silicon coating.
In order to realize compounding between the release film 1 and the middle heat dissipation layer 2, in one embodiment, the release film 1 is compounded on one side of the middle heat dissipation layer 2 through the double-sided transparent film adhesive layer 12, and the double-sided transparent film adhesive layer includes: PET film layer and the acrylic acid viscose layer of coating on its both sides.
Further, the edge of the release film 1 is disposed beyond the edges of the intermediate heat dissipation layer 2 and the protective film 3. Therefore, the peeling of the release film 1 during use is facilitated, and the edges of the middle heat dissipation layer 2 and the protective film 3 can be protected at the same time.
The middle heat dissipation layer 2 is used for realizing the heat dissipation function of the defoaming graphite composite heat dissipation film in the embodiment. The intermediate heat dissipation layer 2 includes: first graphite layer 21 and rather than compound second graphite layer 22 mutually, when improving the thermal diffusivity through setting up double-deck graphite layer, the demand of thickness when still having satisfied the use.
In order to achieve the recombination between the first graphite layer 21 and the second graphite layer 22, in one embodiment, the first graphite layer 21 is recombined with the second graphite layer 22 through a double-sided adhesive layer 23. Wherein, two-sided adhesive layer 23 is including setting gradually: the functional layers that the graphite layer combines of both sides are different because silicone adhesive layer, PET thin layer, ya keli glue film to above-mentioned double-sided adhesive layer 23 adopts silicone adhesive layer and the ya keli glue film that has different viscidity, with the different compound requirement of adaptation both sides graphite layer.
The protective film 3 is compounded on the other side of the intermediate heat dissipation layer 2 to protect it. The protective film 3 includes: a black PET film 31 and a silica gel protective film 32 compounded with one surface thereof. Wherein, the other side of the black PET film 31 is compounded with the other side of the middle heat dissipation layer 2. The silicone protective film 32 includes: antistatic transparent PET rete, coat in the silica gel layer of its one side. The edges of the protective film 3 are arranged beyond the edges of the intermediate heat sink layer 2, thus protecting the edges of the graphite layers in the intermediate heat sink layer 2.
In order to realize the combination between the protective film 3 and the intermediate heat dissipation layer 2, the other side of the black PET film 31 is combined with the other side of the intermediate heat dissipation layer 2 through the double-sided adhesive layer 33. Wherein, two-sided adhesive layer 33 is including setting gradually: silicone adhesive layer, PET film layer, ya keli glue film.
In addition, in order to facilitate the peeling of the protective film 3, a pull tab 6 is connected to one corner of the protective film 3. In one embodiment, the pull cup 6 is a strip of PET film that is adhered to the corners by an acrylic adhesive 61.
In summary, the release film of the defoaming graphite composite heat dissipation film of the present invention has a plurality of protrusions, which is beneficial to eliminating bubbles between the release film and the middle heat dissipation layer. Meanwhile, the defoaming graphite composite heat dissipation film provided by the invention is provided with the double-layer graphite layer, so that the heat dissipation performance is improved, and the requirement on the thickness in use is met.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a defoaming formula graphite composite heat dissipation membrane which characterized in that, defoaming formula graphite composite heat dissipation membrane includes: a release film, an intermediate heat dissipation layer and a protective film;
the release film is compounded on one surface of the middle heat dissipation layer, a plurality of bulges are uniformly distributed on the compounded surface of the release film and the middle heat dissipation layer, and gaps among the bulges are communicated; the intermediate heat dissipation layer includes: first graphite layer and rather than compound second graphite layer mutually, the protection film includes: the black PET film and the silica gel protection film that rather than one side complex, the another side complex of black PET film in the another side of middle heat dissipation layer, and the edge of protection film surpasss the edge setting of middle heat dissipation layer.
2. The defoaming graphite composite heat dissipation film according to claim 1, wherein the plurality of protrusions are uniformly arranged in an array.
3. The defoaming graphite composite heat dissipation film according to claim 1 or 2, wherein the release film is a polyester film, one surface of the release film is provided with the plurality of protrusions, and the other surface of the release film is provided with an organic silicon coating.
4. The defoaming graphite composite heat dissipation film according to claim 1, wherein an edge of the release film is disposed beyond edges of the intermediate heat dissipation layer and the protective film.
5. The defoaming graphite composite heat dissipation film according to claim 1, wherein the release film is compounded on one side of the intermediate heat dissipation layer through a double-sided transparent film adhesive layer, and the double-sided transparent film adhesive layer comprises: PET film layer and the acrylic acid viscose layer of coating on its both sides.
6. The defoaming graphite composite heat dissipation film according to claim 1, wherein the first graphite layer is compounded with the second graphite layer through a double-sided adhesive layer, and the double-sided adhesive layer comprises, in order: silicone adhesive layer, PET film layer, ya keli glue film.
7. The defoaming graphite composite heat dissipation film according to claim 1, wherein the other surface of the black PET film is composited with the other surface of the middle heat dissipation layer through a double-sided adhesive layer, and the double-sided adhesive layer comprises the following components in sequence: silicone adhesive layer, PET film layer, ya keli glue film.
8. The defoaming graphite composite heat dissipation film according to claim 1, wherein the silica gel protective film comprises: antistatic transparent PET rete, coat in the silica gel layer of its one side.
9. The defoaming graphite composite heat dissipation film according to claim 1, wherein a pull handle is further connected to one corner of the protection film, and the pull handle is a strip-shaped PET (polyethylene terephthalate) film and is bonded to the corner through acrylic glue.
10. The defoaming graphite composite heat dissipation film according to claim 1, wherein positioning holes are further formed in the defoaming graphite composite heat dissipation film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911418726.6A CN111073544A (en) | 2019-12-31 | 2019-12-31 | Defoaming type graphite composite heat dissipation film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911418726.6A CN111073544A (en) | 2019-12-31 | 2019-12-31 | Defoaming type graphite composite heat dissipation film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111073544A true CN111073544A (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911418726.6A Pending CN111073544A (en) | 2019-12-31 | 2019-12-31 | Defoaming type graphite composite heat dissipation film |
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| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202565658U (en) * | 2012-05-18 | 2012-11-28 | 苏州沛德导热材料有限公司 | Edged graphite flake |
| CN205408369U (en) * | 2016-02-22 | 2016-07-27 | 深圳市欣恒坤科技有限公司 | Center heat dissipation graphite flake |
| CN206706010U (en) * | 2017-03-23 | 2017-12-05 | 昆山威斯泰电子技术有限公司 | Graphite radiating Protection glue band |
| CN207347498U (en) * | 2017-04-10 | 2018-05-11 | 昆山乔伟新材料有限公司 | A kind of release film |
| CN109940942A (en) * | 2019-03-04 | 2019-06-28 | 苏州市达昇电子材料有限公司 | A kind of composite heat dissipation material |
| CN211570531U (en) * | 2019-12-31 | 2020-09-25 | 苏州佳值电子工业有限公司 | Defoaming type graphite composite heat dissipation film |
-
2019
- 2019-12-31 CN CN201911418726.6A patent/CN111073544A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202565658U (en) * | 2012-05-18 | 2012-11-28 | 苏州沛德导热材料有限公司 | Edged graphite flake |
| CN205408369U (en) * | 2016-02-22 | 2016-07-27 | 深圳市欣恒坤科技有限公司 | Center heat dissipation graphite flake |
| CN206706010U (en) * | 2017-03-23 | 2017-12-05 | 昆山威斯泰电子技术有限公司 | Graphite radiating Protection glue band |
| CN207347498U (en) * | 2017-04-10 | 2018-05-11 | 昆山乔伟新材料有限公司 | A kind of release film |
| CN109940942A (en) * | 2019-03-04 | 2019-06-28 | 苏州市达昇电子材料有限公司 | A kind of composite heat dissipation material |
| CN211570531U (en) * | 2019-12-31 | 2020-09-25 | 苏州佳值电子工业有限公司 | Defoaming type graphite composite heat dissipation film |
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