CN202024028U - Heat insulating film - Google Patents
Heat insulating film Download PDFInfo
- Publication number
- CN202024028U CN202024028U CN2009201627664U CN200920162766U CN202024028U CN 202024028 U CN202024028 U CN 202024028U CN 2009201627664 U CN2009201627664 U CN 2009201627664U CN 200920162766 U CN200920162766 U CN 200920162766U CN 202024028 U CN202024028 U CN 202024028U
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- isolation film
- thermal isolation
- aerogel
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Abstract
The utility model relates to a heat insulating material, in particular to a heat insulating film. The heat insulating film has a laminar structure and is formed by compounding a plurality of layers of heat insulating units, wherein each layer of heat insulating unit is arranged in the same direction and consists of a base material layer and an aerogel layer; the base material layer is a polyimide or carbon fiber film; the aerogel layer is made of porous silicon dioxide aerogel; and a high-temperature adhesive layer is also arranged between adjacent heat insulating units. The heat insulating film has a small size, is convenient to use and is pollution-free to environment.
Description
Technical field
The utility model relates to thermal-protective material, relates in particular to a kind of thermal isolation film and preparation method thereof.
Background technique
Thermal-protective material is widely used in to be produced and sphere of life.Because heat insulation bad and the heat energy that causes is revealed, its consequence has been not only the loss of heat energy, also can produce thermo-pollution.
For the medium more than 300 degrees centigrade, need heat insulation occasion, heat insulation as the high-temperature steam conveyance conduit, existing thermal-protective material adopts asbestos material more, also have at asbestos outsourcing layer of aluminum platinum, to increase effect of heat insulation.
Existing asbestos insulation material, volume is big, uses inconvenience; Harmful because of asbestos, asbestos easily splash to the space, can cause environmental pollution.
The model utility content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art part and provides a kind of volume little easy to use, and does not have the thermal isolation film of environmental pollution.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of thermal isolation film has stratiform structure, it is characterized in that: this thermal isolation film is composited for the multilayer insulation unit, and each layer insulating unit is provided with in the same way; Every layer of insulating unit is made up of substrate layer and aerogel layer; Described substrate layer is polyimide or carbon-fiber film, and described aerogel layer is the porous silica aerogel; And, also have a high temperature glue-line between the adjacent insulating unit.
Thermal isolation film is characterized in that: described porous silica aerogel layer is made of the porous silica aerogel particle, and described porous silica aerogel particle is a nano-scale particle.
Thermal isolation film is characterized in that: the outside of outermost substrate layer also is provided with an aluminium coated or a silver plating layer.
Thermal isolation film is characterized in that: the number of plies of described insulating unit is between 3 layers to 50 layers.According to model utility people existing experiment condition, be less than 3 layers of its effect of heat insulation and do not have advantage, too high more than 50 layers of cost, and create conditions by existing, the thickness of substrate layer and porous aerogel layer also can not be made into nanometer, and during more than 50 layers, the thickness and the toughness of thermal isolation film are undesirable.
Thermal isolation film is characterized in that: the number of plies of described insulating unit is 3 layers, or 5 layers, or 7 layers, or 10 layers, or 15 layers, or 19 layers, or 23 layers, or 30 layers, or 36 layers, or 40 layers, or 45 layers, or 50 layers.
Thermal isolation film is characterized in that: the thickness of described substrate layer is between the 0.01mm to 0.08mm.Create conditions according to existing, skeleton function when not having less than 0.1mm, greater than 0.08 o'clock, toughness was undesirable.
Thermal isolation film is characterized in that: the thickness of described substrate layer is 0.01mm, or 0.02mm, or 0.03mm, or 0.04mm, or 0.05mm, or 0.06mm, or 0.07mm, or 0.08mm.
Thermal isolation film is characterized in that: the thickness of described aerogel layer is between the 0.01mm to 0.3mm.This is optimal insulating thickness, and during less than 0.01mm, fabricating cost height, effect of heat insulation are also unstable, during greater than 0.3mm effect of heat insulation with the increase of aerogel layer thickness increase not obvious, cause waste.
Thermal isolation film is characterized in that: the thickness of described aerogel layer is 0.01mm, or 0.02mm, or 0.03mm, or 0.035mm, or 0.04mm, or 0.05mm, or 0.08mm, or 0.1mm, or 0.15mm, or 0.2mm, or 0.25mm, or 0.3mm.
Thermal isolation film is characterized in that: the outside of outermost substrate layer also is provided with an aluminium coated; The number of plies of described insulating unit is 10 layers; The thickness of described substrate layer is 0.03mm; The thickness of described aerogel layer is 0.05mm.
Thermal isolation film is characterized in that: outermost two faces of this thermal isolation film are equipped with aluminium coated or silver plating layer.
Thermal isolation film of the present utility model, the multilayer insulation unit is composited, and every layer of insulating unit is made up of substrate layer and aerogel layer; Described substrate layer is polyimide or carbon-fiber film, and described aerogel layer is the porous silica aerogel.Polyimide or carbon-fiber film itself have heat-blocking action, and temperature resistant range plays skeleton function to thermal isolation film at least between-269 degrees centigrade to 400 degrees centigrade; The porous silica aerogel has the high porosity, has stoped the convection current and the solid conduction of heat very effectively from many pores; Thermal isolation film of the present utility model is had an effect step by step by the multilayer insulation unit, prevents that the gas in each layer porous silica aerogel from flowing mutually, and effect of heat insulation is better.Thermal isolation film of the present utility model is a kind of film, compares with asbestos material, and little many of volume, and only need simply cut and can directly use, it is little easy to use to have a volume.Compared with prior art, thermal isolation film of the present utility model is harmless, and can not cause environmental pollution to the same asbestos that splash towards periphery of asbestos material.
Description of drawings
Fig. 1 is the film structure figure of first embodiment's of the utility model thermal isolation film.
Fig. 2 is the 5th embodiment's of the utility model a flow chart.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
With reference to figure 1, first embodiment of the present utility model is a kind of thermal isolation film, has stratiform structure, and this thermal isolation film is composited for the multilayer insulation unit, and each layer insulating unit is provided with in the same way; Every layer of insulating unit is made up of substrate layer 101 and aerogel layer 102; Described substrate layer 101 is polyimide or carbon-fiber film, and described aerogel layer 102 is porous silica aerogels; And, also have a high temperature glue-line 103 between the adjacent insulating unit.Described porous silica aerogel layer is made of the porous silica aerogel particle, and described porous silica aerogel particle is a nano-scale particle.The outside of outermost substrate layer also is provided with an aluminium coated 104; In the present embodiment, the number of plies of described insulating unit is 4 layers; The thickness of described substrate layer is a=0.03mm; The thickness of described aerogel layer is b=0.05mm.
Second embodiment of the present utility model also is a kind of thermal isolation film, is that with first embodiment's of the utility model difference described insulating unit has 10 layers.
The 3rd embodiment of the present utility model also is a kind of thermal isolation film, is that with first embodiment's of the present utility model difference the outside of outermost substrate layer is provided with a silver plating layer, rather than aluminium coated.
The 4th embodiment of the present utility model also is a kind of thermal isolation film, is that with first embodiment's of the present utility model difference outermost two faces of this thermal isolation film are equipped with aluminium coated; A base material side outwardly uses the base material that pre-sets aluminium coated to make described insulating unit; Other compound one deck of an aerogel layer side outwardly pre-sets the base material of aluminium coated.
With reference to figure 2, the 5th embodiment of the present utility model is a kind of preparation method of thermal isolation film, and may further comprise the steps: (1) provides base material; (2) at base material single face coated gas gel; (3) semi-finished product that (2) step was made are dried into insulating unit; (4) the multilayer insulation unit is compound; Wherein, (1) step alleged base material be polyimide or carbon-fiber film; (2) step, alleged aerogel was the porous silica aerogel; (4) step alleged compound be after inserting high-temp glue between two layers of insulating unit, to have pressure ground compound, and each insulating unit is provided with in the same way.
The 6th embodiment of the present utility model is a kind of conversion to the 5th embodiment of the utility model, is with the 5th embodiment's difference, replaces the alleged coating of (2) step in the mode of printing or spraying.
The 7th embodiment of the present utility model also is a kind of conversion to the 5th embodiment of the utility model, be with the 5th embodiment's difference, substrate layer outermost surface insulating unit outwardly, its (1) step single face that provides sets in advance the base material of aluminium coated.For the thermal isolation film that scratch resistant demand is arranged, aluminium coated can be arranged on the substrate layer inboard.
The 8th embodiment of the present utility model also is a kind of conversion to the 7th embodiment of the utility model, be with the 7th embodiment's difference, porous aerogel layer outermost surface insulating unit outwardly, its also compound one deck single face in surface sets in advance the base material of aluminium coated.
Claims (10)
1. a thermal isolation film has stratiform structure, it is characterized in that:
This thermal isolation film is composited for the multilayer insulation unit, and each layer insulating unit is provided with in the same way;
Every layer of insulating unit is made up of substrate layer and aerogel layer; Described substrate layer is polyimide or carbon-fiber film, and described aerogel layer is the porous silica aerogel;
And, also have a high temperature glue-line between the adjacent insulating unit.
2. thermal isolation film according to claim 1 is characterized in that: the outside of outermost substrate layer also is provided with an aluminium coated or a silver plating layer.
3. thermal isolation film according to claim 1 and 2 is characterized in that: the number of plies of described insulating unit is between 3 layers to 50 layers.
4. thermal isolation film according to claim 3 is characterized in that: the number of plies of described insulating unit is 3 layers, or 5 layers, or 7 layers, or 10 layers, or 15 layers, or 19 layers, or 23 layers, or 30 layers, or 36 layers, or 40 layers, or 45 layers, or 50 layers.
5. thermal isolation film according to claim 1 and 2 is characterized in that: the thickness of described substrate layer is between the 0.01mm to 0.08mm.
6. thermal isolation film according to claim 5 is characterized in that: the thickness of described substrate layer is 0.01mm, or 0.02mm, or 0.03mm, or 0.04mm, or 0.05mm, or 0.06mm, or 0.07mm, or 0.08mm.
7. thermal isolation film according to claim 1 and 2 is characterized in that: the thickness of described aerogel layer is between the 0.01mm to 0.3mm.
8. thermal isolation film according to claim 7 is characterized in that: the thickness of described aerogel layer is 0.01mm, or 0.02mm, or 0.03mm, or 0.035mm, or 0.04mm, or 0.05mm, or 0.08mm, or 0.1mm, or 0.15mm, or 0.2mm, or 0.25mm, or 0.3mm.
9. thermal isolation film according to claim 1 is characterized in that: the outside of outermost substrate layer also is provided with an aluminium coated; The number of plies of described insulating unit is 10 layers; The thickness of described substrate layer is 0.03mm; The thickness of described aerogel layer is 0.05mm.
10. thermal isolation film according to claim 1 is characterized in that: outermost two faces of this thermal isolation film are equipped with aluminium coated or silver plating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201627664U CN202024028U (en) | 2009-06-09 | 2009-07-28 | Heat insulating film |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920132635 | 2009-06-09 | ||
| CN200920132635.1 | 2009-06-09 | ||
| CN2009201627664U CN202024028U (en) | 2009-06-09 | 2009-07-28 | Heat insulating film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202024028U true CN202024028U (en) | 2011-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201627664U Expired - Fee Related CN202024028U (en) | 2009-06-09 | 2009-07-28 | Heat insulating film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202024028U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103547114A (en) * | 2012-07-12 | 2014-01-29 | 富瑞精密组件（昆山）有限公司 | Electronic device |
| CN104712884A (en) * | 2013-12-12 | 2015-06-17 | 松下电器产业株式会社 | Thermal insulation material and electronic equipment using same |
| CN105051604A (en) * | 2013-03-15 | 2015-11-11 | 旭化成电子材料株式会社 | Pellicle film, and pellicle |
| CN105889708A (en) * | 2016-06-15 | 2016-08-24 | 嘉兴中易碳素科技有限公司 | Heat-insulating film of intelligent equipment and intelligent equipment employing heat-insulating film |
| CN112297532A (en) * | 2020-09-18 | 2021-02-02 | 郑州大学 | Bionic layered heat insulation material |
-
2009
- 2009-07-28 CN CN2009201627664U patent/CN202024028U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103547114A (en) * | 2012-07-12 | 2014-01-29 | 富瑞精密组件（昆山）有限公司 | Electronic device |
| CN105051604A (en) * | 2013-03-15 | 2015-11-11 | 旭化成电子材料株式会社 | Pellicle film, and pellicle |
| CN105051604B (en) * | 2013-03-15 | 2019-07-23 | 旭化成株式会社 | Pellicle film and pellicle |
| CN104712884A (en) * | 2013-12-12 | 2015-06-17 | 松下电器产业株式会社 | Thermal insulation material and electronic equipment using same |
| CN104712884B (en) * | 2013-12-12 | 2018-01-02 | 松下知识产权经营株式会社 | Heat-barrier material and the electronic equipment for having used the heat-barrier material |
| CN105889708A (en) * | 2016-06-15 | 2016-08-24 | 嘉兴中易碳素科技有限公司 | Heat-insulating film of intelligent equipment and intelligent equipment employing heat-insulating film |
| CN112297532A (en) * | 2020-09-18 | 2021-02-02 | 郑州大学 | Bionic layered heat insulation material |
| CN112297532B (en) * | 2020-09-18 | 2023-07-21 | 郑州大学 | Bionic layered heat insulation material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111102 Termination date: 20120728 |