CN210026533U - Composite aerogel heat insulation blanket - Google Patents
Composite aerogel heat insulation blanket Download PDFInfo
- Publication number
- CN210026533U CN210026533U CN201920656823.8U CN201920656823U CN210026533U CN 210026533 U CN210026533 U CN 210026533U CN 201920656823 U CN201920656823 U CN 201920656823U CN 210026533 U CN210026533 U CN 210026533U
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- aerogel
- blanket
- heat insulation
- retardant
- hot melt
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Abstract
The utility model relates to a thermal-insulated blanket of compound aerogel should insulate against heat the blanket and comprise fire-retardant membrane, hot melt adhesive, aerogel fibrofelt and fire-retardant sticky tape. The flame-retardant film is an external fireproof layer, the hot melt adhesive is an intermediate layer, the aerogel fiber felt is an internal heat insulation layer, the hot pressing technology is adopted to press the composite aerogel heat insulation felt, and finally the flame-retardant adhesive tape is adopted to splice the composite aerogel heat insulation felt into a heat insulation blanket. A thermal-insulated blanket of compound aerogel, have advantages such as fire-retardant, thermal-insulated effectual and light, can use in thermal-insulated fields such as new energy automobile battery, have wide development prospect.
Description
Technical Field
The utility model relates to a thermal-insulated blanket of compound aerogel, this product have that the heat-proof quality is good, fire-retardant, light and energy-concerving and environment-protective advantage, belong to thermal-insulated fire-retardant technical field.
Background
With the development of society, the number of automobiles is continuously increased, and the discharged tail gas causes serious damage to the environment, so that people pay attention to the development of new energy automobile technology. The new energy automobile is mainly driven by electric power of the storage battery, traditional fuel oil driving is replaced, exhaust emission is effectively reduced, the storage battery can generate a large amount of heat in the charging and discharging processes, and in order to avoid serious consequences caused by direct contact of the storage battery and an automobile body, the storage battery and the automobile body must be effectively separated by adopting a heat insulation material to prevent heat transfer. Currently, there are many types of insulation materials sold on the market, for example: polyurethane board, polystyrene board, heat insulation cotton, etc., but all have the disadvantages of poor heat insulation effect, low fire-proof grade, toxic gas generation after combustion, etc. Therefore, in order to solve the above problems, a technical solution of a composite aerogel thermal insulation blanket is provided. The excellent heat insulation and flame retardant properties of the aerogel material are utilized to isolate the storage battery from the automobile body, thereby avoiding heat transfer and effectively reducing the potential safety hazard of the automobile.
Disclosure of Invention
In order to solve the deficiencies in the prior art, the utility model provides a compound aerogel heat insulation blanket with thermal-insulated effectual, fire prevention grade high and excellent performance such as light. The heat insulation blanket is formed by splicing the sheet heat insulation felt by the flame-retardant adhesive tape, and can realize large-scale production. The utility model provides a thermal-insulated blanket of compound aerogel comprises outer fire-retardant membrane 1, intermediate level hot melt adhesive 2, inlayer aerogel fibrofelt 3 and fire-retardant sticky tape 4.
The outer flame-retardant film 1 is a PVC flame-retardant film, a PET flame-retardant film, a PC flame-retardant film or a PI flame-retardant film.
The middle layer hot melt adhesive 2 is flame-retardant PES hot melt adhesive, TPU hot melt adhesive or EVA hot melt adhesive.
The flame-retardant adhesive tape 4 is a flame-retardant PET adhesive tape, a flame-retardant PVC adhesive tape or a flame-retardant aluminum foil adhesive tape.
The thickness of the fiber felt in the inner layer aerogel fiber felt 3 is 2-8 mm.
The inner layer aerogel fibrofelt 3 is made of fiber reinforced SiO2An aerogel.
The fiber mat in the inner layer aerogel fiber mat 3 is a glass fiber mat, a pre-oxidized fiber mat or a ceramic fiber mat.
The utility model discloses the beneficial effect who reaches:
1. the heat insulation performance is excellent. The utility model provides a composite aerogel heat insulation blanket, which adopts fiber reinforced SiO2The aerogel has excellent heat insulation performance as an inner layer, has a coefficient of normal-temperature heat conductivity less than or equal to 0.022W/(m.K), can effectively prevent heat generated by the storage battery from being transferred to the interior of an automobile, and can prevent automobile parts from being damaged due to overhigh temperature.
2. The flame retardant effect is good. The inner aerogel fibrofelt and the outer flame-retardant film can effectively prevent the vehicle body from generating fire due to the overheating of the storage battery, and the combustion grade of the product is A grade.
3. And (3) light weight. The aerogel material is light and has a density of less than or equal to 0.85g/cm3And occupies little space inside the automobile during use.
4. Preventing powder from falling. The coating of the outer flame-retardant film can prevent the aerogel fiber felt from falling dust in the using process.
Drawings
Fig. 1 is a schematic structural view of the composite aerogel heat insulation blanket of the present invention.
Fig. 2 is a schematic structural view of the composite aerogel heat insulation blanket of the present invention.
Figure 3 is a cross-sectional view of the composite aerogel thermal insulation blanket of the present invention.
Wherein ① is outer flame retardant film, ② is middle layer hot melt adhesive, ③ is inner aerogel fiber felt, ④ is flame retardant adhesive tape, ⑤
Hole(s)
Detailed Description
Example 1
The embodiment provides a thermal-insulated blanket of compound aerogel, comprises outer fire-retardant membrane 1, intermediate level hot melt adhesive 2, inlayer aerogel fibrofelt 3 and fire-retardant sticky tape 4, wherein presses outer fire-retardant membrane 1, intermediate level hot melt adhesive 2, inlayer aerogel fibrofelt 3 into the thermal-insulated blanket of compound aerogel through hot pressing technique, and the thermal-insulated blanket is spliced into to the thermal-insulated blanket of compound aerogel through fire-retardant sticky tape 4 of rethread.
Example 2
The embodiment provides a thermal-insulated blanket of compound aerogel, comprises outer fire-retardant membrane 1, intermediate level hot melt adhesive 2, inlayer aerogel fibrofelt 3 and fire-retardant sticky tape 4, wherein presses into thermal-insulated felt with outer fire-retardant membrane 1, intermediate level hot melt adhesive 2, inlayer aerogel fibrofelt 3 through hot pressing technique, and thermal-insulated blanket is spliced into to the rethread fire-retardant sticky tape 4. Preferably, the outer flame-retardant film 1 is a PVC flame-retardant film, the middle-layer hot melt adhesive 2 is a flame-retardant PES hot melt adhesive, and the inner-layer aerogel fiber mat 3 is a glass fiber mat with the thickness of 3 mm. The composite aerogel heat insulation felt is prepared at the hot pressing temperature of 125 ℃. Finally, the flame-retardant PET adhesive tape 4 is selected to splice the heat-insulating felt into a composite aerogel heat-insulating blanket. Tests show that the basic performances of the composite aerogel thermal insulation blanket in the embodiment are as follows: the combustion grade is A grade, the coefficient of thermal conductivity is 0.0205W/(m.K), and the use temperature range is-50 to 600 ℃.
Example 3
The embodiment provides a thermal-insulated blanket of compound aerogel, comprises outer fire-retardant membrane 1, intermediate level hot melt adhesive 2, inlayer aerogel fibrofelt 3 and fire-retardant sticky tape 4, wherein presses into thermal-insulated felt with outer fire-retardant membrane 1, intermediate level hot melt adhesive 2, inlayer aerogel fibrofelt 3 through hot pressing technique, and thermal-insulated blanket is spliced into to the rethread fire-retardant sticky tape 4. The outer fire-retardant membrane 1 of preferred is the fire-retardant membrane of PET, and intermediate level hot melt adhesive 2 is fire-retardant TPU hot melt adhesive, and inlayer aerogel fibrofelt 3 is the glass fiber felt, and thickness is 5 mm. The composite aerogel heat insulation felt is prepared at the hot pressing temperature of 125 ℃. And finally, selecting a flame-retardant PVC adhesive tape 4 to splice the heat-insulating felt into a composite aerogel heat-insulating blanket. Tests show that the basic performances of the composite aerogel thermal insulation blanket in the embodiment are as follows: the combustion grade is A grade, the coefficient of thermal conductivity is 0.0192W/(m.K), and the use temperature range is-50 to 600 ℃.
Example 4
The embodiment provides a thermal-insulated blanket of compound aerogel, comprises outer fire-retardant membrane 1, intermediate level hot melt adhesive 2, inlayer aerogel fibrofelt 3 and fire-retardant sticky tape 4, wherein presses into thermal-insulated felt with outer fire-retardant membrane 1, intermediate level hot melt adhesive 2, inlayer aerogel fibrofelt 3 through hot pressing technique, and thermal-insulated blanket is spliced into to the rethread fire-retardant sticky tape 4. The preferred outer fire-retardant membrane 1 is the fire-retardant membrane of PC, and intermediate level hot melt adhesive 2 is fire-retardant EVA hot melt adhesive, and inlayer aerogel fibrofelt 3 is the pre-oxidation silk fibrofelt, and thickness is 2 mm. The composite aerogel heat insulation felt is prepared at the hot pressing temperature of 125 ℃. And finally, selecting a flame-retardant PVC adhesive tape 4 to splice the heat-insulating felt into a composite aerogel heat-insulating blanket. Tests show that the basic performances of the composite aerogel thermal insulation blanket in the embodiment are as follows: the combustion grade is A grade, the coefficient of thermal conductivity is 0.0215W/(m.K), and the use temperature range is-50 to 400 ℃.
Example 5
The embodiment provides a thermal-insulated blanket of compound aerogel, comprises outer fire-retardant membrane 1, intermediate level hot melt adhesive 2, inlayer aerogel fibrofelt 3 and fire-retardant sticky tape 4, wherein presses into thermal-insulated felt with outer fire-retardant membrane 1, intermediate level hot melt adhesive 2, inlayer aerogel fibrofelt 3 through hot pressing technique, and thermal-insulated blanket is spliced into to the rethread fire-retardant sticky tape 4. Preferably, the outer flame-retardant film 1 is a PI flame-retardant film, the middle layer hot melt adhesive 2 is a flame-retardant TPU hot melt adhesive, the inner layer aerogel fiber felt 3 is a ceramic fiber felt, and the thickness is 8 mm. The composite aerogel heat insulation felt is prepared at the hot pressing temperature of 125 ℃. Finally, the flame-retardant aluminum foil tape 4 is selected to splice the heat-insulating felt into a composite aerogel heat-insulating blanket. Tests show that the basic performances of the composite aerogel thermal insulation blanket in the embodiment are as follows: the combustion grade is A grade, the coefficient of thermal conductivity is 0.0208W/(m.K), and the use temperature range is-50 to 600 ℃.
Claims (8)
1. The utility model provides a compound aerogel heat insulation blanket, its characterized in that heat insulation blanket is formed by heat insulation felt through fire-retardant sticky tape (4) concatenation, and wherein heat insulation felt includes outer fire-retardant membrane (1), intermediate level hot melt adhesive (2), inlayer aerogel fibrofelt (3).
2. The composite aerogel heat insulation blanket as claimed in claim 1, wherein the heat insulation blanket is prepared by pressing the outer flame retardant film (1), the middle layer hot melt adhesive (2) and the inner aerogel fiber blanket (3) into the heat insulation blanket by using a hot pressing technology.
3. The composite aerogel heat insulation blanket according to claim 1, wherein the material of the outer flame retardant film (1) is a PVC flame retardant film, a PET flame retardant film, a PC flame retardant film or a PI flame retardant film.
4. The composite aerogel thermal insulation blanket according to claim 1, wherein the material of the middle layer hot melt adhesive (2) is flame-retardant PES hot melt adhesive, TPU hot melt adhesive or EVA hot melt adhesive.
5. The composite aerogel thermal insulation blanket according to claim 1, wherein the flame retardant adhesive tape (4) is a flame retardant PET adhesive tape, a flame retardant PVC adhesive tape or a flame retardant aluminum foil adhesive tape.
6. The composite aerogel thermal insulation blanket according to claim 1, wherein the thickness of the fiber mat in the inner layer aerogel fiber mat (3) is 2-8 mm.
7. The composite aerogel thermal insulation blanket according to claim 1 or 6, characterized in that the inner aerogel fiber blanket (3) is SiO fiber reinforced with fibers2An aerogel.
8. The composite aerogel thermal insulation blanket according to claim 7, wherein the fiber blanket in the inner layer aerogel fiber blanket (3) is a glass fiber blanket, a pre-oxygen fiber blanket, or a ceramic fiber blanket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920656823.8U CN210026533U (en) | 2019-05-08 | 2019-05-08 | Composite aerogel heat insulation blanket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920656823.8U CN210026533U (en) | 2019-05-08 | 2019-05-08 | Composite aerogel heat insulation blanket |
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| CN210026533U true CN210026533U (en) | 2020-02-07 |
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| CN201920656823.8U Active CN210026533U (en) | 2019-05-08 | 2019-05-08 | Composite aerogel heat insulation blanket |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111844962A (en) * | 2020-07-11 | 2020-10-30 | 巩义市泛锐熠辉复合材料有限公司 | Ceramic fiber reinforced aerogel felt and preparation method thereof |
| CN112009038A (en) * | 2020-07-16 | 2020-12-01 | 宁波诺丁汉新材料研究院有限公司 | Structural flame-retardant functional composite material and preparation method thereof |
| CN113844072A (en) * | 2021-09-23 | 2021-12-28 | 张家港飞腾复合新材料股份有限公司 | Production process of light A2-grade flame-retardant heat-insulation composite board |
| CN114976378A (en) * | 2022-04-29 | 2022-08-30 | 楚能新能源股份有限公司 | Composite heat insulation plate and preparation method and application thereof |
-
2019
- 2019-05-08 CN CN201920656823.8U patent/CN210026533U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111844962A (en) * | 2020-07-11 | 2020-10-30 | 巩义市泛锐熠辉复合材料有限公司 | Ceramic fiber reinforced aerogel felt and preparation method thereof |
| CN111844962B (en) * | 2020-07-11 | 2023-12-01 | 巩义市泛锐熠辉复合材料有限公司 | Ceramic fiber reinforced aerogel felt and preparation method thereof |
| CN112009038A (en) * | 2020-07-16 | 2020-12-01 | 宁波诺丁汉新材料研究院有限公司 | Structural flame-retardant functional composite material and preparation method thereof |
| CN113844072A (en) * | 2021-09-23 | 2021-12-28 | 张家港飞腾复合新材料股份有限公司 | Production process of light A2-grade flame-retardant heat-insulation composite board |
| CN114976378A (en) * | 2022-04-29 | 2022-08-30 | 楚能新能源股份有限公司 | Composite heat insulation plate and preparation method and application thereof |
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