CN208216179U - Polyimides radiator structure - Google Patents
Polyimides radiator structure Download PDFInfo
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- CN208216179U CN208216179U CN201820618485.4U CN201820618485U CN208216179U CN 208216179 U CN208216179 U CN 208216179U CN 201820618485 U CN201820618485 U CN 201820618485U CN 208216179 U CN208216179 U CN 208216179U
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Abstract
The utility model discloses a kind of polyimides radiator structures, including fluororesin layer, polyimide layer, heat-insulated glue-line, heat dissipating layer, metal oxide layer；Heat dissipating layer includes porous fibre, aeroge；Porous fibre is located in aeroge；Porous fibre includes fiber with holes, porous fibre glue-line；Porous fibre glue-line is located at fibrous outer surfaces with holes；Graphene layer structure is equipped in the hole of porous fibre glue-line；Fluororesin layer, polyimide layer, heat-insulated glue-line, heat dissipating layer, metal oxide layer are set gradually；While keeping polyimide material excellent properties, heat dissipation effect can be played.
Description
Technical field
The utility model belongs to polyimide composite film production technical field, and in particular to a kind of polyimides heat dissipation knot
Structure.
Background technique
Polyimide material is penetrated with its excellent resistance to high/low temperature, resistance to width, is weather-proof etc. and excellent electric property, and wide
It is general to be used for the fields such as electric wire, cable, petroleum industry, aerospace.Simple Kapton can not be effective due to performance deficiency
It utilizes, the prior art continually develops new composite construction to increase the application range of polyimides.Due to the work of polymer, dissipate
Thermal energy power is generally poor, and the prior art is modified using chemical method, has certain effect, but damages to the performance of polyimides itself
It is bad larger, it is therefore desirable to research and develop new composite construction, realize effectively heat dissipation from physical structure angle.
Summary of the invention
The purpose of the utility model is to provide a kind of polyimides radiator structure, pass through structure design and Thinking Creation
Synergistic effect, so that polyimides radiator structure has good mechanical performance, while having excellent layer stability, especially
It is that heat dissipation performance is excellent, effectively increases service performance, the application range of polyimides radiator structure, can be used for high-end electronic material
The protection of material, buffering.
To reach above-mentioned purpose of utility model, the technical solution adopted in the utility model is: a kind of polyimides heat dissipation knot
Structure, the polyimides radiator structure include fluororesin layer, polyimide layer, heat-insulated glue-line, heat dissipating layer, metal oxide layer；
The heat dissipating layer includes porous fibre, aeroge；The porous fibre is located in aeroge；The porous fibre includes fibre with holes
Dimension, porous fibre glue-line；The porous fibre glue-line is located at fibrous outer surfaces with holes；It is equipped in the hole of the porous fibre glue-line
Graphene layer structure；The fluororesin layer, polyimide layer, heat-insulated glue-line, heat dissipating layer, metal oxide layer are set gradually.
In the utility model, heat-insulated glue-line with a thickness of 1~1.2 micron, on the one hand can form good cementability, separately
On the one hand influence of the heat to polyimides can be prevented.
In the utility model, fluororesin layer, polyimide layer, heat-insulated glue-line, heat dissipating layer, metal oxide layer are set gradually
Refer to that this several layers of structure is arranged in order, for example fluororesin layer, in bottom, polyimide layer is above fluororesin layer, adiabatic gum
Layer is above polyimide layer, and heat dissipating layer is above heat-insulated glue-line, and metal oxide layer is above heat dissipating layer；In use, by golden
Belong to oxide skin(coating) and be placed in most the inside, fluororesin layer is placed in outermost, so that the heat of pyrotoxin is rapid by metal oxide layer
Conduction is effectively dispersed to aerogel structure from the side of aerogel structure, therefore the utility model is not only an effectively heat dissipation
Structure, and avoid heat to the damage of polyimides, solving the prior art, to improve polyimides itself anyway thermally conductive
Ability can all there are problems that damaging polyimides performance when heat dissipation.
In the utility model, each material is all existing product, for example polyimide layer is conventional polyimide film, generally
With a thickness of 10~25 microns, fluororesin layer with a thickness of 0.2 micron, the water-fast of polyimides can be improved in the design of this structure
Property and hardness；This existing product of adiabatic gum has good cementability, avoids the polyamides that other adhesives may cause
The problem of imines substrate performance impairment；The utility model it is creative this structure is utilized in composite polyimide material, can be with
Effectively improve the interface stability of heat dissipating layer, for entire composite material stabilization and lay the foundation for a long time, metal oxide layer
For overall structure, this is routinely prepared by existing metal oxide precursor, this structure of the design of the utility model creativeness,
It is applied in polyimides composite construction for the first time, self performance effect can be played and improves the flexibility of composite material, more
Important is and porous fibre combination, cooperation graphene improve heat-sinking capability spontaneous heating.
In the utility model, heat dissipating layer with a thickness of 30~32 microns, other than the effect of the good mechanical property of itself, also
Can play heat dissipation effect, and this thickness with polyimides is compound that integral heat sink ability can be improved；Aeroge is conventional titanium dioxide
Silica aerogel is prepared in conjunction with drying by sol-gal process, after colloidal sol displacement solvent, metallic oxide precursor is added
Body is added porous fibre after dry, finally carries out temperature programming, heat dissipating layer, metal oxide layer integral structure is prepared.This
For the structure that the utility model is initiated, the prior art thinks that fiber/aerogel structural interface effect is too poor unstable, Ye You enterprise
The research of aeroge/fiber was done, discovery cannot achieve, and the utility model combination metal oxide layer solves fiber/airsetting
The bad problem of plastic structure interfacial effect, more important is the structures of heat-insulated glue-line to exist so that aerogel structure can be very good
It is integrated to polyimides to answer in material, has started new material structures.
In the utility model, heat dissipating layer includes porous fibre, aeroge, and the porosity of the aerogel structure is 22~
25%, porous fibre is arranged in low porosity aerogel structure, the characteristic that both can use existing aeroge soft comfortable is slow
The rigidity of fiber with holes is solved, in particular, aerogel structure is further ensured that graphene layer is stablized in glue-line, and will not influence
Heat dissipation effect.
In the utility model, the porosity of porous fibre glue-line is 78~80%, can be in fibrous outer surfaces coated with holes
There is pore-foaming agent/graphene complex flexible macromolecule solution, heat treatment forms porous glue-line, and stone in fiber surface with holes
Black alkene layer is located in hole, can play heat dissipation performance, and be able to maintain stabilization, and fiber can be vinal etc., especially
The structure that the utility model uses will not have an impact fiber itself, avoid the prior art using heat conducting fiber bring fiber
The influential problem of performance itself.
The utility model makes public for the first time a kind of polyimides radiator structure, obtained product have preferable hardness and
Toughness can play heat dissipation effect while keeping polyimides performance, internal using the box of composite construction preparation sealing
It is closed after fever (120 degree) a period of time, passes through internal and external equilibrium time test heat-sinking capability；Pass through fiber and multilayered structure
Design, the good advantage of effective guarantee heat dissipation stability and high efficiency, each bed boundary effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of polyimides radiator structure；
Fig. 2 is heat dissipation schematic diagram of a layer structure；
Fig. 3 is porous fibrous structure schematic diagram；
Wherein, fluororesin layer 1, polyimide layer 2, heat-insulated glue-line 3, heat dissipating layer 4, metal oxide layer 5, porous fibre
41, aeroge 42, fiber with holes 43, porous fibre glue-line 44, graphene layer structure 45.
Specific embodiment
With reference to the accompanying drawing and embodiment is further described the utility model:
Embodiment one
Referring to attached drawing 1-3, polyimides radiator structure includes fluororesin layer 1, polyimide layer 2, heat-insulated glue-line 3, heat dissipation
Layer 4, metal oxide layer 5；Heat dissipating layer includes porous fibre 41, aeroge 42；Porous fibre is located in aeroge；Porous fibre
Including fiber 43 with holes, porous fibre glue-line 44；Porous fibre glue-line is located at fibrous outer surfaces with holes；The hole of porous fibre glue-line
In be equipped with graphene layer structure 45；Fluororesin layer, polyimide layer, heat-insulated glue-line, heat dissipating layer, metal oxide layer are successively set
It sets.
Above-mentioned fluororesin layer with a thickness of 0.2 micron, the porosity of aerogel structure is 22%, the hole of porous fibre glue-line
Gap rate is 78%, heat dissipating layer with a thickness of 30 microns, heat-insulated glue-line with a thickness of 1 micron.Graphene-structured, fiber etc. in figure
It marks at one, the hole of aeroge does not indicate, does not influence the understanding of those skilled in the art.
Embodiment two
A kind of polyimides radiator structure includes fluororesin layer, polyimide layer, heat-insulated glue-line, heat dissipating layer, metal oxidation
Nitride layer；Heat dissipating layer includes porous fibre, aeroge；Porous fibre is located in aeroge；Porous fibre includes fiber with holes, porous
Fiber glue-line；Porous fibre glue-line is located at fibrous outer surfaces with holes；Graphene layer structure is equipped in the hole of porous fibre glue-line；Fluorine
Resin layer, polyimide layer, heat-insulated glue-line, heat dissipating layer, metal oxide layer are set gradually.Above-mentioned fluororesin layer with a thickness of
0.2 micron, the porosity of aerogel structure is 25%, and the porosity of porous fibre glue-line is 80%, heat dissipating layer it is micro- with a thickness of 32
Rice, heat-insulated glue-line with a thickness of 1.2 microns.
In above-described embodiment, polyimide layer is 12.5 microns of thickness of Kapton；It is with Kapton
Relatively, the polyimides radiator structure bending strength of performance test discovery, the utility model embodiment one improves 128% on basis, dissipates
Thermal energy power improves 3 times and outermost fluororesin layer surface temperature is increased less than 3 degree, and the polyimides of embodiment two, which radiates, to be tied
Structure bending strength improves 133%, and heat-sinking capability improves 3.3 times and outermost fluororesin layer surface temperature is increased less than 3 degree,
Comply fully with application requirement.Fluororesin layer/polyimide layer/heat-insulated glue-line/heat dissipating layer heat dissipation performance is bad simultaneously, is embodiment
The 55% of one, if not using the product aerogel layer obtained containing heat-insulated glue-line that can be torn by hand easily, being not really is had
Product is imitated, using common adhesive such as fluorosilicon oil, then outermost fluororesin layer surface temperature increases nearly 36 degree, works as heat dissipating layer
Thickness less than 20 microns when, heat dissipation performance is bad, be embodiment one 39%.
Claims (6)
1. a kind of polyimides radiator structure, it is characterised in that: the polyimides radiator structure includes fluororesin layer, polyamides Asia
Amine layer, heat-insulated glue-line, heat dissipating layer, metal oxide layer；The heat dissipating layer includes porous fibre, aeroge；The porous fibre
In aeroge；The porous fibre includes fiber with holes, porous fibre glue-line；The porous fibre glue-line is located at fibre with holes
Tie up outer surface；Graphene layer structure is equipped in the hole of the porous fibre glue-line；It is the fluororesin layer, polyimide layer, heat-insulated
Glue-line, heat dissipating layer, metal oxide layer are set gradually.
2. polyimides radiator structure according to claim 1, it is characterised in that: the fluororesin layer it is micro- with a thickness of 0.2
Rice.
3. polyimides radiator structure according to claim 1, it is characterised in that: the porosity of the aerogel structure is 22
~25%.
4. polyimides radiator structure according to claim 1, it is characterised in that: the porosity of the porous fibre glue-line is
78~80%.
5. polyimides radiator structure according to claim 1, it is characterised in that: the heat dissipating layer it is micro- with a thickness of 30~32
Rice.
6. polyimides radiator structure according to claim 1, it is characterised in that: the heat-insulated glue-line with a thickness of 1~1.2
Micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820618485.4U CN208216179U (en) | 2018-04-27 | 2018-04-27 | Polyimides radiator structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820618485.4U CN208216179U (en) | 2018-04-27 | 2018-04-27 | Polyimides radiator structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208216179U true CN208216179U (en) | 2018-12-11 |
Family
ID=64513559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820618485.4U Active CN208216179U (en) | 2018-04-27 | 2018-04-27 | Polyimides radiator structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208216179U (en) |
-
2018
- 2018-04-27 CN CN201820618485.4U patent/CN208216179U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190829 Address after: 215011 Golden Lion Building, 12 Shishan Road, Suzhou High-tech District, Jiangsu Province, 22nd Floor Patentee after: Suzhou Kaiying Industrial Materials Co., Ltd. Address before: 226407, Jiangsu, Nantong province Rudong County town chemical industry zone Patentee before: Nantong Kai Ying thin film technique Co., Ltd |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191224 Address after: 215156 book collection 888, Mu Du Town, Wuzhong District, Suzhou, Jiangsu Patentee after: Suzhou Caim insulation materials Co., Ltd. Address before: 215011 Golden Lion Building, 12 Shishan Road, Suzhou High-tech District, Jiangsu Province, 22nd Floor Patentee before: Suzhou Kaiying Industrial Materials Co., Ltd. |
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| TR01 | Transfer of patent right |