CN111005463B - Heat insulation sandwich layer and preparation method thereof - Google Patents
Heat insulation sandwich layer and preparation method thereof Download PDFInfo
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- CN111005463B CN111005463B CN201911343044.3A CN201911343044A CN111005463B CN 111005463 B CN111005463 B CN 111005463B CN 201911343044 A CN201911343044 A CN 201911343044A CN 111005463 B CN111005463 B CN 111005463B
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- 238000009413 insulation Methods 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title abstract description 15
- 229920001971 elastomer Polymers 0.000 claims abstract description 82
- 239000005060 rubber Substances 0.000 claims abstract description 82
- 239000004964 aerogel Substances 0.000 claims abstract description 58
- 239000003292 glue Substances 0.000 claims abstract description 44
- 239000000843 powder Substances 0.000 claims abstract description 27
- 238000001035 drying Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 239000012763 reinforcing filler Substances 0.000 claims abstract description 8
- 238000005507 spraying Methods 0.000 claims abstract description 8
- 239000011159 matrix material Substances 0.000 claims abstract description 6
- 239000000835 fiber Substances 0.000 claims description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 19
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 14
- 229910052782 aluminium Inorganic materials 0.000 claims description 14
- 229920006231 aramid fiber Polymers 0.000 claims description 14
- 235000012239 silicon dioxide Nutrition 0.000 claims description 8
- 239000000377 silicon dioxide Substances 0.000 claims description 8
- 229920003051 synthetic elastomer Polymers 0.000 claims description 8
- 239000005061 synthetic rubber Substances 0.000 claims description 8
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 7
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 7
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 7
- 229920002379 silicone rubber Polymers 0.000 claims description 7
- 239000004408 titanium dioxide Substances 0.000 claims description 7
- 229920000459 Nitrile rubber Polymers 0.000 claims description 6
- 239000005062 Polybutadiene Substances 0.000 claims description 6
- 239000004760 aramid Substances 0.000 claims description 6
- 229920003235 aromatic polyamide Polymers 0.000 claims description 6
- 229920002857 polybutadiene Polymers 0.000 claims description 6
- 239000004945 silicone rubber Substances 0.000 claims description 6
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 6
- 229920005560 fluorosilicone rubber Polymers 0.000 claims description 5
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims description 4
- 244000043261 Hevea brasiliensis Species 0.000 claims description 4
- 239000004642 Polyimide Substances 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 229920005549 butyl rubber Polymers 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- 229920001973 fluoroelastomer Polymers 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- 229920003052 natural elastomer Polymers 0.000 claims description 4
- 229920001194 natural rubber Polymers 0.000 claims description 4
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 4
- 229920001721 polyimide Polymers 0.000 claims description 4
- 229920001195 polyisoprene Polymers 0.000 claims description 4
- 229910052582 BN Inorganic materials 0.000 claims description 2
- 240000008564 Boehmeria nivea Species 0.000 claims description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 2
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 2
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 2
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 229910052863 mullite Inorganic materials 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 3
- 239000010410 layer Substances 0.000 abstract description 117
- 230000000694 effects Effects 0.000 abstract description 5
- 239000011229 interlayer Substances 0.000 abstract description 4
- 239000012774 insulation material Substances 0.000 abstract description 3
- 238000011049 filling Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000006173 Good's buffer Substances 0.000 description 1
- 208000019693 Lung disease Diseases 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 239000004965 Silica aerogel Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002557 mineral fiber Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920006327 polystyrene foam Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/10—Insulation, e.g. vacuum or aerogel insulation
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The invention belongs to the field of heat-insulating boards, and discloses a heat-insulating sandwich layer and a preparation method thereof. The honeycomb core is filled with rubber layers and aerogel layers alternately inside honeycomb core holes until the honeycomb core is filled, and the outermost layers of the upper part and the lower part are rubber layers. The preparation method comprises the following steps: (1) mixing the liquid rubber matrix with a reinforcing filler to obtain a rubber glue solution; (2) laying and placing the honeycomb core, and alternately spraying a layer of rubber glue and a layer of aerogel powder into the honeycomb core until the honeycomb core is filled with the rubber glue and the outermost layer is ensured to be the rubber glue; (3) and sequentially drying and curing the sprayed honeycomb core to obtain the heat-insulating sandwich layer. The honeycomb core adopts the laminated structure of the aerogel layer and the rubber layer, the rubber layer has light weight and heat insulation characteristics, and has good flexibility and impact resistance, and the rubber layer and the aerogel heat insulation material are compounded to be used as the outermost layer protection structure of the honeycomb core, so that the powder falling of the aerogel on the surface of the honeycomb core can be prevented while the heat insulation effect of the interlayer is ensured.
Description
Technical Field
The invention belongs to the technical field of heat-insulating boards, and particularly relates to a heat-insulating sandwich layer and a preparation method thereof.
Background
At present, thermal insulation mortar is mostly adopted for the external wall of a building. The heat insulating mortar is one kind of building material for building heat insulating layer. The thermal insulation mortar has the following disadvantages: the density is high, the weight of the heat-insulating layer is easy to bring difficulty to the construction, and the load bearing burden of the building framework is increased; the heat conductivity coefficient is high, the national energy-saving standard is reached, and the thickness is thicker; the moisture absorption is large, and the weight is easy to exceed the standard and fall off; the strength is greatly changed under the influence of construction factors.
The composite board used at present mainly comprises a heat insulation sandwich layer and a panel, wherein the heat insulation sandwich layer is mostly made of organic synthetic materials and organic and inorganic mineral materials, such as foamed plastics, fiber cotton felts and the like. Mineral fiber materials represented by superfine glass wool have the defects of high density, high brittleness, serious water absorption, easiness in vibration and droop, poor heat preservation and insulation performance, thick paving, high material loss and the like, and dust dissipation is easily formed in the construction engineering due to the brittleness of fibers to pollute the environment and cause lung diseases, so that the energy-saving standard cannot be met by using the materials; common organic foams such as polystyrene foam, polyurethane foam, etc. have poor flame retardancy, high combustion density, and release a large amount of toxic and harmful gases. Therefore, a light, safe, energy-saving and environment-friendly heat insulation sandwich layer is further needed.
Disclosure of Invention
In order to solve the above problems, the present invention provides a thermal insulation sandwich layer and a method for preparing the same.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a thermal-insulated sandwich layer, includes the honeycomb core, and honeycomb core hole inside is filled alternately has rubber layer and aerogel layer until filling up honeycomb core hole to two upper and lower outmost are the rubber layer.
Preferably, the honeycomb core is an aluminum honeycomb core or an aramid honeycomb core; the aerogel layer is a silicon dioxide aerogel layer, an aluminum oxide aerogel layer, a zirconium dioxide aerogel layer or a titanium dioxide aerogel layer; the rubber layer is a natural rubber layer or a synthetic rubber layer.
Preferably, the synthetic rubber layer is a fluorosilicone rubber layer, a styrene-butadiene rubber layer, a chloroprene rubber layer, a butyl rubber layer, a nitrile rubber layer, a butadiene rubber layer, an ethylene propylene rubber layer, a polyisoprene rubber layer, a fluororubber layer or a silicone rubber layer.
Preferably, the silicone rubber layer is a fluorosilicone rubber layer.
The preparation method of the heat insulation sandwich layer comprises the following preparation steps:
(1) mixing the liquid rubber matrix with a reinforcing filler to obtain a rubber glue solution;
(2) laying and placing the honeycomb core, and alternately spraying a layer of rubber glue and a layer of aerogel powder into the holes of the honeycomb core until the honeycomb core is filled with the rubber glue and the outermost layer is ensured to be the rubber glue;
(3) and sequentially drying and curing the sprayed honeycomb core to obtain the heat-insulating sandwich layer.
Preferably, the mass fraction of the reinforcing fiber in the rubber glue solution is 5-15 wt%; the thickness of the rubber glue solution sprayed each time is 0.01-0.5 cm; the thickness of the aerogel powder sprayed each time is 0.05-1 cm.
Preferably, the drying temperature is 60-100 ℃, and the drying time is 0.5-6 h; the curing temperature is 80-180 ℃ and the curing time is 1-12 h.
Preferably, the liquid rubber matrix is natural rubber or synthetic rubber; the reinforcing filler is one or more than two of high silica fiber, glass fiber, quartz fiber, alumina fiber, polyimide fiber, aramid fiber, aluminum silicate fiber, silicon nitride fiber, alumina fiber, boron nitride fiber, mullite fiber, ramie fiber and carbon fiber; the aerogel powder is silicon dioxide aerogel powder, aluminum oxide aerogel powder, zirconium dioxide aerogel powder or titanium dioxide aerogel powder; the honeycomb core is an aluminum honeycomb core or an aramid honeycomb core.
Preferably, the synthetic rubber is fluorosilicone rubber, styrene-butadiene rubber, chloroprene rubber, butyl rubber, nitrile rubber, butadiene rubber, ethylene propylene rubber, polyisoprene rubber, fluororubber or silicone rubber.
Has the advantages that:
(1) the rubber layer and the aerogel layer are sequentially overlapped and filled in the honeycomb core to prepare a honeycomb sandwich layer structure with multiple layers of heat insulation materials; the rubber layer has light weight and heat insulation property, has good flexibility and impact resistance, is compounded with the aerogel heat insulation material to be used as an outermost layer protection structure of the honeycomb core, can prevent the aerogel from falling off the surface of the honeycomb core while ensuring the heat insulation effect of the interlayer, has good buffer effect when the heat insulation interlayer is impacted, avoids the falling of aerogel powder, reduces the heat insulation effect of the interlayer, and ensures the integrity of the honeycomb structure;
(2) the laminated structure of the aerogel layer and the rubber layer is adopted, the rubber layer has an isolation effect on the aerogel layer to obtain a plurality of independent heat preservation units, the stable heat insulation performance of the heat insulation sandwich layer can be ensured, and meanwhile, the waterproof property of the rubber enables the heat insulation sandwich plate to be commonly used under the conditions of low temperature and humidity when the heat insulation sandwich plate is applied to the sandwich plate, so that the application range of the heat insulation sandwich plate is expanded, and the heat insulation sandwich plate can be used in the fields needing heat insulation, such as buildings, chemical engineering, road traffic and the like.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that the following examples are illustrative only and are not intended to limit the scope of the present invention.
Example 1
The utility model provides a thermal-insulated sandwich layer, includes the honeycomb core, and honeycomb core hole inside is filled alternately has rubber layer and aerogel layer until filling up honeycomb core hole to two upper and lower outmost are the rubber layer. Wherein the honeycomb core is an aramid honeycomb core; the aerogel layer is a silicon dioxide aerogel layer; the rubber layer is a silicone rubber layer.
The preparation method of the heat insulation sandwich layer comprises the following preparation steps:
(1) mixing liquid silicon rubber and aramid fiber to obtain rubber glue, wherein the mass fraction of the aramid fiber in the rubber glue is 5 wt%;
(2) laying and placing the aramid fiber honeycomb core, and alternately spraying a layer of rubber glue and a layer of silicon dioxide aerogel powder into the holes of the aramid fiber honeycomb core until the aramid fiber honeycomb core is filled with the aramid fiber honeycomb core and the outermost layer is ensured to be the rubber glue; the thickness of the rubber glue solution sprayed each time is 0.01 cm; the thickness of the silica aerogel powder sprayed each time is 0.1 cm;
(3) and drying the sprayed aramid fiber honeycomb core at 80 ℃ for 2 h, and then curing at 100 ℃ for 4 h to obtain the heat insulation sandwich layer.
The density of the thermal insulation sandwich layer prepared by the embodiment is 0.72 g/cm3The thermal conductivity was 0.03W/(mK).
Example 2
The utility model provides a thermal-insulated sandwich layer, includes the honeycomb core, and honeycomb core hole inside is filled alternately has rubber layer and aerogel layer until filling up honeycomb core hole to two upper and lower outmost are the rubber layer. Wherein the honeycomb core is an aramid honeycomb core; the aerogel layer is a zirconium dioxide aerogel layer; the rubber layer is a styrene-butadiene rubber layer.
The preparation method of the heat insulation sandwich layer comprises the following preparation steps:
(1) mixing liquid styrene-butadiene rubber and glass fiber to obtain rubber glue solution, wherein the mass fraction of the glass fiber in the rubber glue solution is 8 wt%;
(2) laying and placing the aramid fiber honeycomb core, and alternately spraying a layer of rubber glue and a layer of zirconium dioxide aerogel powder into the holes of the aramid fiber honeycomb core until the aramid fiber honeycomb core is filled with the aramid fiber honeycomb core and the outermost layer is ensured to be the rubber glue; the thickness of the rubber glue solution sprayed each time is 0.05 cm; the thickness of the sprayed zirconium dioxide aerogel powder is 0.2 cm each time;
(3) drying the sprayed aramid fiber honeycomb core at 90 ℃ for 3 h, and then curing at 120 ℃ for 5 h to obtain the heat insulation sandwich layer.
The density of the thermal insulation sandwich layer prepared by the embodiment is 0.76 g/cm3The thermal conductivity was 0.035W/(mK).
Example 3
The utility model provides a thermal-insulated sandwich layer, includes the honeycomb core, and honeycomb core hole inside is filled alternately has rubber layer and aerogel layer until filling up honeycomb core hole to two upper and lower outmost are the rubber layer. Wherein the honeycomb core is an aluminum honeycomb core; the aerogel layer is a titanium dioxide aerogel layer; the rubber layer is a butadiene rubber layer.
The preparation method of the heat insulation sandwich layer comprises the following preparation steps:
(1) mixing liquid butadiene rubber and carbon fibers to obtain a rubber glue solution, wherein the mass fraction of the carbon fibers in the rubber glue solution is 10 wt%;
(2) laying and placing the aluminum honeycomb core, and alternately spraying a layer of rubber glue and a layer of titanium dioxide aerogel powder into the holes of the aluminum honeycomb core until the aluminum honeycomb core is filled with the rubber glue and the outermost layer is ensured to be the rubber glue; the thickness of the rubber glue solution sprayed each time is 0.2 cm; the thickness of the sprayed titanium dioxide aerogel powder is 0.6 cm each time;
(3) and drying the sprayed aluminum honeycomb core at 100 ℃ for 6 h, and then curing at 160 ℃ for 8 h to obtain the heat-insulating sandwich layer.
The density of the thermal insulation sandwich layer prepared by the embodiment is 0.81 g/cm3The thermal conductivity is 0.036W/(mK).
Example 4
The utility model provides a thermal-insulated sandwich layer, includes the honeycomb core, and honeycomb core hole inside is filled alternately has rubber layer and aerogel layer until filling up honeycomb core hole to two upper and lower outmost are the rubber layer. Wherein the honeycomb core is an aluminum honeycomb core; the aerogel layer is aluminum oxide aerogel; the rubber layer is a nitrile rubber layer.
The preparation method of the heat insulation sandwich layer comprises the following preparation steps:
(1) mixing liquid nitrile rubber and polyimide fibers to obtain a rubber glue solution, wherein the mass fraction of the polyimide fibers in the rubber glue solution is 6 wt%;
(2) laying and placing the aluminum honeycomb core, and alternately spraying a layer of rubber glue and a layer of aluminum oxide aerogel powder into the holes of the aluminum honeycomb core until the aluminum honeycomb core is filled with the rubber glue and the outermost layer is ensured to be the rubber glue; the thickness of the rubber glue solution sprayed each time is 0.08 cm; the thickness of the sprayed aluminum oxide aerogel powder is 0.8cm each time;
(3) and drying the sprayed aluminum honeycomb core at 70 ℃ for 5 h, and then curing at 110 ℃ for 10 h to obtain the heat-insulating sandwich layer.
The density of the thermal insulation sandwich layer prepared by the embodiment is 0.74 g/cm3The thermal conductivity was 0.032W/(mK).
Claims (7)
1. A thermal insulating sandwich layer, characterized in that: the honeycomb core structure comprises a honeycomb core, wherein rubber layers and aerogel layers are alternately filled in honeycomb core holes until the honeycomb core holes are filled, and the outermost layers of the upper part and the lower part are rubber layers; the heat insulation sandwich layer is prepared by the following steps:
(1) mixing the liquid rubber matrix with a reinforcing filler to obtain a rubber glue solution;
(2) laying and placing the honeycomb core, and alternately spraying a layer of rubber glue and a layer of aerogel powder into the holes of the honeycomb core until the honeycomb core is filled with the rubber glue and the outermost layer is ensured to be the rubber glue;
(3) sequentially drying and curing the sprayed honeycomb core to obtain the heat insulation sandwich layer;
wherein the mass fraction of the reinforcing filler in the rubber glue solution is 5-15 wt%; the thickness of the rubber glue solution sprayed each time is 0.01-0.5 cm; the thickness of the aerogel powder sprayed each time is 0.05-1 cm.
2. The insulating sandwich layer of claim 1 wherein: the honeycomb core is an aluminum honeycomb core or an aramid honeycomb core; the aerogel layer is a silicon dioxide aerogel layer, an aluminum oxide aerogel layer, a zirconium dioxide aerogel layer or a titanium dioxide aerogel layer; the rubber layer is a natural rubber layer or a synthetic rubber layer.
3. The insulating sandwich layer of claim 2 wherein: the synthetic rubber layer is a fluorosilicone rubber layer, a styrene-butadiene rubber layer, a chloroprene rubber layer, a butyl rubber layer, a nitrile rubber layer, a butadiene rubber layer, an ethylene propylene rubber layer, a polyisoprene rubber layer, a fluororubber layer or a silicone rubber layer.
4. A method of making the thermal insulating sandwich of claim 1, comprising the steps of:
(1) mixing the liquid rubber matrix with a reinforcing filler to obtain a rubber glue solution;
(2) laying and placing the honeycomb core, and alternately spraying a layer of rubber glue and a layer of aerogel powder into the holes of the honeycomb core until the honeycomb core is filled with the rubber glue and the outermost layer is ensured to be the rubber glue;
(3) sequentially drying and curing the sprayed honeycomb core to obtain the heat insulation sandwich layer;
wherein the mass fraction of the reinforcing filler in the rubber glue solution is 5-15 wt%; the thickness of the rubber glue solution sprayed each time is 0.01-0.5 cm; the thickness of the aerogel powder sprayed each time is 0.05-1 cm.
5. The method of making a thermal insulating sandwich as claimed in claim 4 wherein: drying at 60-100 deg.C for 0.5-6 hr; the curing temperature is 80-180 ℃ and the curing time is 1-12 h.
6. A method of producing a thermal insulating sandwich layer according to claim 4 or 5, characterized in that: the liquid rubber matrix is natural rubber or synthetic rubber; the reinforcing filler is one or more than two of high silica fiber, glass fiber, quartz fiber, alumina fiber, polyimide fiber, aramid fiber, aluminum silicate fiber, silicon nitride fiber, alumina fiber, boron nitride fiber, mullite fiber, ramie fiber and carbon fiber; the aerogel powder is silicon dioxide aerogel powder, aluminum oxide aerogel powder, zirconium dioxide aerogel powder or titanium dioxide aerogel powder; the honeycomb core is an aluminum honeycomb core or an aramid honeycomb core.
7. The method of making a thermal insulating sandwich as claimed in claim 6 wherein: the synthetic rubber is fluorosilicone rubber, styrene-butadiene rubber, chloroprene rubber, butyl rubber, nitrile rubber, butadiene rubber, ethylene propylene rubber, polyisoprene rubber, fluororubber or silicone rubber.
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| CN201911343044.3A CN111005463B (en) | 2019-12-24 | 2019-12-24 | Heat insulation sandwich layer and preparation method thereof |
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| CN201911343044.3A CN111005463B (en) | 2019-12-24 | 2019-12-24 | Heat insulation sandwich layer and preparation method thereof |
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| CN111005463B true CN111005463B (en) | 2022-02-15 |
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| CN113400739A (en) * | 2021-07-15 | 2021-09-17 | 中国科学院苏州纳米技术与纳米仿生研究所 | Aerogel-containing phase change energy storage heat preservation plate and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19703262A1 (en) * | 1997-01-30 | 1998-08-06 | Zae Bayern | Translucent heat insulation panel filled with powder or granules |
| CN101619797B (en) * | 2009-06-09 | 2013-06-05 | 深圳市金士康实业有限公司 | Heat-insulation film and preparation method thereof |
| DE202010009060U1 (en) * | 2010-06-15 | 2010-09-02 | Microtherm N.V. | Thermal insulation composite |
| US9212485B2 (en) * | 2012-07-13 | 2015-12-15 | Victor Wolynski | Modular building panel |
| KR20140046222A (en) * | 2012-10-10 | 2014-04-18 | 대우조선해양 주식회사 | Insulating composite sheet for structure in ship |
| CN203110420U (en) * | 2013-01-18 | 2013-08-07 | 福特环球技术公司 | Layered product |
| CN108778707B (en) * | 2016-01-27 | 2021-08-03 | W.L.戈尔及同仁股份有限公司 | Insulating material |
| CA3023933C (en) * | 2016-05-14 | 2022-06-14 | Firestone Building Products Company, Llc | Adhesive-backed composite insulation boards with vacuum-insulated capsules |
| CN108940139A (en) * | 2017-05-22 | 2018-12-07 | 浙江圣润纳米科技有限公司 | A kind of monolith substrate enhancing aerogel composite, product and preparation method |
| CN208415769U (en) * | 2018-02-23 | 2019-01-22 | 重庆中德防腐保温材料有限公司 | Aeroge composite sandwich insulation board |
| CN108516868A (en) * | 2018-05-08 | 2018-09-11 | 王贝尔 | The preparation method of aerogel heat-proof piece |
| CN108689637A (en) * | 2018-05-30 | 2018-10-23 | 巩义市泛锐熠辉复合材料有限公司 | A kind of preparation method of high temperature resistant heat insulation aerogel blanket |
| CN108585762A (en) * | 2018-05-30 | 2018-09-28 | 巩义市泛锐熠辉复合材料有限公司 | The preparation method of heat-insulation and heat-preservation aerosil felt |
| CN209813317U (en) * | 2019-04-19 | 2019-12-20 | 巩义市泛锐熠辉复合材料有限公司 | Continuous fiber reinforced thermoplastic resin composite board |
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2019
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