CN207699509U - A kind of composite heat-conducting insulated rubber film - Google Patents
A kind of composite heat-conducting insulated rubber film Download PDFInfo
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- CN207699509U CN207699509U CN201721557123.0U CN201721557123U CN207699509U CN 207699509 U CN207699509 U CN 207699509U CN 201721557123 U CN201721557123 U CN 201721557123U CN 207699509 U CN207699509 U CN 207699509U
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Abstract
The utility model is related to a kind of composite heat-conducting insulated rubber films, it is characterised in that：Including the first release film, the first adhesive layer, the first heat-conducting layer, metal foil, the second heat-conducting layer, the second adhesive layer and the second release film set gradually from top to bottom, further include several through the first heat-conducting layer, the through-hole of metal foil and the second heat-conducting layer, first adhesive layer and the second adhesive layer are connected by through-hole.This film structure is simple, and thermal conductivity is strong, itself stickiness is good.
Description
Technical field
The utility model is related to a kind of composite heat-conducting insulated rubber films.
Background technology
Heat conductive insulating glued membrane is the core material of metal-based copper-clad plate, is set to the metal substrate layer of metal-based copper-clad plate
Between copper foil layer.Usually the heat conductive insulating glued membrane hot pressing is fitted between metal substrate layer and copper foil layer, obtains Metal Substrate
Copper-clad plate.Existing heat conductive insulating glued membrane is by materials groups such as a variety of epoxy resin, phenolic resin, nitrile rubber and inorganic conductive powders
At.The resin base material of heat conductive insulating glued membrane, while playing cladding conductive powder, also act as with metal substrate layer and copper foil layer it
Between bond effect.Conductive powder plays the role of heat conduction, and incorporation has decisive work to the thermal conductivity of heat conductive insulating glued membrane
With.But conductive powder is mainly the particles of inorganic material such as aluminium oxide, silica, aluminium nitride, is scattered in resin base material, because of pole
The difference of property, can cause the caking property of resin base material to decline.Therefore, thermal conductive insulation glue film surface faces a contradiction, on the one hand, needs
Higher conductive powder incorporation, to improve thermal conductivity；On the other hand, conductive powder incorporation causes heat conductive insulating glued membrane and metal substrate
Caking property declines between layer and copper foil layer, is brought not to performances such as metal-based copper-clad plate bending strength, compression strength, shear strengths
Good influence.
Utility model content
The problem of the utility model exists for the above-mentioned prior art makes improvement, i.e., skill to be solved in the utility model
Art problem is to provide a kind of composite heat-conducting insulated rubber film, and caking property is good, heat conduction.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：A kind of composite heat-conducting insulated rubber film, including
The first release film for setting gradually from top to bottom, the first adhesive layer, the first heat-conducting layer, metal foil, the second heat-conducting layer, second bond
Layer and the second release film further include that several are viscous through the first heat-conducting layer, the through-hole of metal foil and the second heat-conducting layer, described first
Knot layer and the second adhesive layer are connected by through-hole.
Further, the first adhesive layer, the first heat-conducting layer, the second heat-conducting layer and the second adhesive layer are by epoxy resin, phenol
Urea formaldehyde, nitrile rubber and the mixing of inorganic conductive powder form, the inorganic conductive powder in first heat-conducting layer and the second heat-conducting layer
Content is higher than the first adhesive layer and the second adhesive layer.
Further, the metal foil is the copper foil or aluminium foil of high-termal conductivity.
Further, the thickness of the heat-conducting layer is more than the thickness of the first adhesive layer and the second adhesive layer.
Further, the thickness of first release film and the second release film is equal, and is led less than the first adhesive layer, first
The thickness of thermosphere, the second heat-conducting layer and the second adhesive layer.
Further, first adhesive layer and the second adhesive layer thickness are equal.
Compared with prior art, the utility model has the advantages that：The nothing of first adhesive layer and the second adhesive layer
Machine heat conduction powder content is low, and caking property is strong between metal substrate layer and copper foil layer, and the inorganic heat conduction powder content of heat-conducting layer is raised to be arrived
The effect of thermal conductivity is effectively improved, is viscous based on same resin base material between heat-conducting layer and the first adhesive layer and the second adhesive layer
Knot, it may have good caking property, centre include one layer of metal foil, substantially increase heat conductivility, and by through multilayer
Through-hole, the colloid of the interior filling adhesive layer of through-hole, makes glued membrane itself multilayer have good viscosity, will not delamination；This is multiple
Thermal conductive insulation glue membrane technology scheme is closed, two functions of heat conduction and bonding are provided separately, while obtaining high heat conductance, are ensured
Caking property between composite heat-conducting insulated rubber film and metal substrate layer and copper foil layer.
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
Description of the drawings
Fig. 1 is the organigram of the utility model embodiment.
In figure：The first release films of 1-, the first adhesive layers of 2-, the first heat-conducting layers of 3-, 4- metal foils, the second heat-conducting layers of 5-, 6-
Second adhesive layer, the second release films of 7-, 8- through-holes.
Specific implementation mode
Embodiment one：As shown in Figure 1, a kind of composite heat-conducting insulated rubber film, including set gradually from top to bottom first from
Type film 1, the first adhesive layer 2, the first heat-conducting layer 3, metal foil 4, the second heat-conducting layer 5, the second adhesive layer 6 and the second release film 7, also
Run through the through-hole 8 of the first heat-conducting layer, metal foil and the second heat-conducting layer, first adhesive layer and the second adhesive layer including several
It is connected by through-hole.
In the present embodiment, the first adhesive layer, the first heat-conducting layer, the second heat-conducting layer and the second adhesive layer by epoxy resin,
Phenolic resin, nitrile rubber and the mixing of inorganic conductive powder form, the inorganic heat conduction in first heat-conducting layer and the second heat-conducting layer
Powder content is higher than the first adhesive layer and the second adhesive layer.
In the present embodiment, the metal foil is the copper foil or aluminium foil of high-termal conductivity.
In the present embodiment, the thickness of the heat-conducting layer is more than the thickness of the first adhesive layer and the second adhesive layer.
In the present embodiment, the thickness of first release film and the second release film is equal, and less than the first adhesive layer, first
The thickness of heat-conducting layer, the second heat-conducting layer and the second adhesive layer.
In the present embodiment, first adhesive layer and the second adhesive layer thickness are equal.
Pass through the through-hole through the first heat-conducting layer, metal foil and the second heat-conducting layer, when smearing adhesive layer, the glue of adhesive layer
Matter can be injected in through-hole, not only act as connection the first adhesive layer and the second adhesive layer effect, meanwhile, those colloid stickiness compared with
Greatly, it when injecting through-hole, plays the first heat-conducting layer, metal foil and the mutually cohesive effect of the second heat-conducting layer, three is prevented to be detached from.
The presence of metal foil substantially increases thermal conductivity.
The above is only the preferred embodiment of the present invention, it is all done according to present utility model application the scope of the claims it is equal
Deng variation and modification, it should all belong to the covering scope of the utility model.
Claims (6)
1. a kind of composite heat-conducting insulated rubber film, it is characterised in that：Including the first release film, first viscous set gradually from top to bottom
Layer, the first heat-conducting layer, metal foil, the second heat-conducting layer, the second adhesive layer and the second release film are tied, further includes that several run through first
The through-hole of heat-conducting layer, metal foil and the second heat-conducting layer, first adhesive layer and the second adhesive layer are connected by through-hole.
2. composite heat-conducting insulated rubber film according to claim 1, it is characterised in that：First adhesive layer, the first heat-conducting layer,
Two heat-conducting layers and the second adhesive layer are made of the mixing of epoxy resin, phenolic resin, nitrile rubber and inorganic conductive powder, and described the
Inorganic heat conduction powder content in one heat-conducting layer and the second heat-conducting layer is higher than the first adhesive layer and the second adhesive layer.
3. composite heat-conducting insulated rubber film according to claim 1, it is characterised in that：The metal foil is the copper of high-termal conductivity
Foil or aluminium foil.
4. composite heat-conducting insulated rubber film according to claim 1, it is characterised in that：The thickness of the heat-conducting layer is more than first
The thickness of adhesive layer and the second adhesive layer.
5. composite heat-conducting insulated rubber film according to claim 1, it is characterised in that：First release film and second release
The thickness of film is equal, and less than the first adhesive layer, the thickness of the first heat-conducting layer, the second heat-conducting layer and the second adhesive layer.
6. composite heat-conducting insulated rubber film according to claim 1, it is characterised in that：First adhesive layer and second bonds
Layer thickness is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721557123.0U CN207699509U (en) | 2017-11-20 | 2017-11-20 | A kind of composite heat-conducting insulated rubber film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721557123.0U CN207699509U (en) | 2017-11-20 | 2017-11-20 | A kind of composite heat-conducting insulated rubber film |
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| CN207699509U true CN207699509U (en) | 2018-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721557123.0U Active CN207699509U (en) | 2017-11-20 | 2017-11-20 | A kind of composite heat-conducting insulated rubber film |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109207113A (en) * | 2018-08-21 | 2019-01-15 | 安徽省鸣新材料科技有限公司 | A kind of high-strength sound insulation foam aluminium glue knot battenboard and its application |
| CN110591587A (en) * | 2019-09-25 | 2019-12-20 | 苏州盛达飞智能科技股份有限公司 | Insulating adhesive tape and using method |
| CN110643294A (en) * | 2019-09-25 | 2020-01-03 | 苏州盛达飞智能科技股份有限公司 | Preparation method of polytetrafluoroethylene adhesive tape |
-
2017
- 2017-11-20 CN CN201721557123.0U patent/CN207699509U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109207113A (en) * | 2018-08-21 | 2019-01-15 | 安徽省鸣新材料科技有限公司 | A kind of high-strength sound insulation foam aluminium glue knot battenboard and its application |
| CN110591587A (en) * | 2019-09-25 | 2019-12-20 | 苏州盛达飞智能科技股份有限公司 | Insulating adhesive tape and using method |
| CN110643294A (en) * | 2019-09-25 | 2020-01-03 | 苏州盛达飞智能科技股份有限公司 | Preparation method of polytetrafluoroethylene adhesive tape |
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