CN108442570B - Solid-liquid phase change composite material - Google Patents
Solid-liquid phase change composite material Download PDFInfo
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- CN108442570B CN108442570B CN201810549851.XA CN201810549851A CN108442570B CN 108442570 B CN108442570 B CN 108442570B CN 201810549851 A CN201810549851 A CN 201810549851A CN 108442570 B CN108442570 B CN 108442570B
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- 239000002131 composite material Substances 0.000 title claims abstract description 24
- 239000007791 liquid phase Substances 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 67
- 239000011521 glass Substances 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 239000012071 phase Substances 0.000 claims description 93
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 claims description 4
- 239000012188 paraffin wax Substances 0.000 claims description 3
- 239000005639 Lauric acid Substances 0.000 claims description 2
- 235000021355 Stearic acid Nutrition 0.000 claims description 2
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 2
- 239000008117 stearic acid Substances 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 1
- 239000012782 phase change material Substances 0.000 abstract description 42
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 26
- 239000002245 particle Substances 0.000 description 20
- 239000002270 dispersing agent Substances 0.000 description 15
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 238000005498 polishing Methods 0.000 description 5
- 238000007517 polishing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/06—Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
- C09K5/063—Materials absorbing or liberating heat during crystallisation; Heat storage materials
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Electromagnetism (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Acoustics & Sound (AREA)
- Laminated Bodies (AREA)
Abstract
The solid-liquid phase change composite material provided by the invention has better thermal inertia, is more suitable for building enclosure structures, and requires lower energy consumption. In practical application, the infrared reflection intensity in the infrared gradient reflection phase-change layer changes in a gradient manner, a glass layer which is compounded with one side of the infrared gradient reflection phase-change layer with high infrared reflection intensity is arranged at the outermost side of a building and firstly receives insolation, and a part of the infrared gradient reflection phase-change layer with high infrared reflection intensity can reflect most infrared rays and gradually reduce the temperature from the outer side to the inner side, so that the infrared gradient reflection phase-change layer can reflect infrared rays to the greatest extent while consuming infrared reflection materials, further the thermal inertia of solid-liquid phase-change materials is improved, and the infrared gradient reflection phase-change layer is more suitable for building envelope structures.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to a solid-liquid phase-change composite material.
Background
Phase change material (PCM-Phase Change Material) refers to a substance that changes state of a substance with a change in temperature and can provide latent heat. The process of transforming physical properties is known as the phase change process, where the phase change material will absorb or release a significant amount of latent heat. The phase change material may be classified as a hydrated salt phase change material such as CaCl 2 ·6H 2 O and waxy phase change materials such as paraffin have wide application in building energy conservation, one important aspect is an enclosure structure for buildings in a passive mode, such as walls, windows, floors, roofs, concrete, brick members and the like, and the O and waxy phase change materials have the effects of enhancing the heat capacity of the building enclosure, improving the heat inertia of the building, reducing the energy consumption of refrigerating or heating the building, being beneficial to improving the heat comfort of the indoor environment of the building and realizing the zero energy consumption of the building.
At present, the thermal inertia of the phase change material applied to the building industry is not satisfactory, the liquid phase change material absorbs more solar radiation, overheat is easy to form, the consumed energy is high, and therefore, the development of the phase change material with better thermal inertia and lower solar radiation absorption is very interesting.
Disclosure of Invention
In view of the above, the technical problem to be solved by the present invention is to provide a solid-liquid phase-change composite material, which has better thermal inertia and lower energy consumption.
The invention provides a solid-liquid phase-change composite material, which comprises the following components:
a first glass layer;
an infrared gradient reflection phase change layer compounded on the first glass layer;
and the second glass layer is compounded on the infrared gradient reflection phase change layer.
Preferably, the infrared gradient reflection phase change layer includes:
a first infrared reflective phase change layer composited on the first glass layer;
a second infrared reflective phase change layer composited on the first infrared reflective phase change layer;
a third infrared reflective phase change layer composited on the second infrared reflective phase change layer;
a fourth infrared reflective phase change layer composited on the third infrared reflective phase change layer;
a fifth infrared reflective phase change layer compounded on the fourth infrared reflective phase change layer, the second glass layer being compounded on the fifth infrared reflective phase change layer;
the infrared reflection intensities of the first infrared reflection phase-change layer, the second infrared reflection phase-change layer, the third infrared reflection phase-change layer, the fourth infrared reflection phase-change layer and the fifth infrared reflection phase-change layer are gradually decreased in a gradient mode.
Preferably, the method comprises the steps of,
the thickness of the first infrared reflection phase-change layer is 2-3 mm;
the thickness of the second infrared reflection phase-change layer is 1-2 mm;
the thickness of the third infrared reflection phase-change layer is 1-2 mm;
the thickness of the fourth infrared reflection phase-change layer is 1-2 mm;
the thickness of the fifth infrared reflection phase-change layer is 1-2 mm.
Preferably, the thickness of the first glass layer is 3-5 mm.
Preferably, the thickness of the infrared gradient reflection phase-change layer is 6-11 mm.
Preferably, the thickness of the second glass layer is 3-5 mm.
The invention provides a solid-liquid phase-change composite material, which comprises the following components:
a first glass layer;
an infrared gradient reflection phase change layer compounded on the first glass layer;
and the second glass layer is compounded on the infrared gradient reflection phase change layer.
The solid-liquid phase change composite material provided by the invention has better thermal inertia, is more suitable for building enclosure structures, and has lower energy consumption. In practical application, the infrared reflection intensity in the infrared gradient reflection phase-change layer changes in a gradient manner, a glass layer or a resin layer which is compounded with one side of the infrared gradient reflection phase-change layer with high infrared reflection intensity is arranged at the outermost side of a building, insolation is firstly received, most of infrared rays can be reflected out from the part of the infrared gradient reflection phase-change layer with high infrared reflection intensity, and the temperature is gradually reduced from the outer side to the inner side, so that the infrared gradient reflection phase-change layer can reflect infrared rays to the greatest extent while consuming infrared reflection materials, further the thermal inertia of solid-liquid phase-change materials is improved, and the infrared gradient reflection phase-change layer is more suitable for building envelope structures.
Drawings
FIG. 1 is a schematic diagram of a solid-liquid phase-change composite material according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a solid-liquid phase-change composite material according to embodiment 2 of the present invention.
Detailed Description
For a further understanding of the present invention, preferred embodiments of the invention are described below in conjunction with the examples, but it should be understood that these descriptions are merely intended to illustrate further features and advantages of the invention, and are not limiting of the claims of the invention.
The invention provides a solid-liquid phase-change composite material, which comprises the following components:
a first glass layer;
an infrared gradient reflection phase change layer compounded on the first glass layer;
and the second glass layer is compounded on the infrared gradient reflection phase change layer. Referring to fig. 1, fig. 1 is a schematic structural diagram of a solid-liquid phase-change composite material provided in embodiment 1 of the present invention.
The thickness of the first glass layer is preferably 3 to 5mm. In certain embodiments of the invention, the first glass layer has a thickness of 3mm.
The thickness of the infrared gradient reflection phase-change layer is preferably 6-11 mm. In certain embodiments of the present invention, the infrared gradient reflective phase change layer has a thickness of 6mm.
The infrared gradient reflective phase change layer preferably comprises:
a first infrared reflective phase change layer composited on the first glass layer;
a second infrared reflective phase change layer composited on the first infrared reflective phase change layer;
a third infrared reflective phase change layer composited on the second infrared reflective phase change layer;
a fourth infrared reflective phase change layer composited on the third infrared reflective phase change layer;
a fifth infrared reflective phase change layer compounded on the fourth infrared reflective phase change layer, the second glass layer being compounded on the fifth infrared reflective phase change layer;
the infrared reflection intensities of the first infrared reflection phase-change layer, the second infrared reflection phase-change layer, the third infrared reflection phase-change layer, the fourth infrared reflection phase-change layer and the fifth infrared reflection phase-change layer are gradually decreased in a gradient mode.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a solid-liquid phase-change composite material provided in embodiment 2 of the present invention.
The thickness of the first infrared reflection phase change layer is preferably 2-3 mm. In certain embodiments of the present invention, the first infrared reflective phase change layer has a thickness of 2mm.
The first infrared reflective phase change layer is preferably a hybrid layer comprising a solid-liquid phase change material and an infrared reflective material. In the present invention, the solid-liquid phase change material preferably includes one or more of a hydrated salt phase change material and a waxy phase change material. In certain embodiments of the present invention, the solid-liquid phase-change material is CaCl 2 ·6H 2 O, paraffin, stearic acid or lauric acid. The infrared reflecting material is preferably In (Sn) 2 O 3 (ITO) or TiO 2 . The content of the infrared reflection material in the first infrared reflection phase change layer is preferably 1 to 20wt%. In certain embodiments of the present invention, the infrared reflective material is present in the first infrared reflective phase change layer in an amount of 20 weight%.
The thickness of the second infrared reflection phase change layer is preferably 1-2 mm. In certain embodiments of the present invention, the second infrared reflective phase change layer has a thickness of 1mm.
The materials and components of the second ir reflecting phase-change layer are preferably the same as those of the first ir reflecting phase-change layer, and will not be described herein. The content of the infrared reflection material in the second infrared reflection phase change layer is preferably 1 to 20wt%. In certain embodiments of the present invention, the second infrared reflective phase change layer has a content of 16 weight percent of the infrared reflective material.
The thickness of the third infrared reflection phase change layer is preferably 1-2 mm. In certain embodiments of the present invention, the thickness of the third infrared reflective phase change layer is 1mm.
The materials and components of the third ir reflecting phase change layer are preferably the same as those of the first ir reflecting phase change layer, and will not be described herein. The content of the infrared reflection material in the third infrared reflection phase change layer is preferably 1 to 20wt%. In certain embodiments of the present invention, the infrared-reflective material is present in the third infrared-reflective phase change layer in an amount of 12 weight%.
The thickness of the fourth infrared reflection phase-change layer is preferably 1-2 mm. In certain embodiments of the present invention, the fourth infrared reflective phase change layer has a thickness of 1mm.
The materials and components of the fourth ir reflecting phase-change layer are preferably the same as those of the first ir reflecting phase-change layer, and will not be described herein. In the fourth infrared reflection phase change layer, the content of the infrared reflection material is preferably 1 to 20wt%. In certain embodiments of the present invention, the infrared-reflective material is present in the fourth infrared-reflective phase change layer in an amount of 8 weight%.
The thickness of the fifth infrared reflection phase-change layer is preferably 1-2 mm. In certain embodiments of the present invention, the thickness of the fifth infrared reflective phase change layer is 1mm.
The materials and components of the fifth ir reflecting phase-change layer are preferably the same as those of the first ir reflecting phase-change layer, and will not be described herein. In the fifth infrared reflection phase change layer, the content of the infrared reflection material is preferably 1 to 20wt%. In certain embodiments of the present invention, the infrared reflective material is present in the fifth infrared reflective phase change layer in an amount of 4 weight%.
The thickness of the second glass layer is preferably 3 to 5mm. In certain embodiments of the invention, the second glass layer has a thickness of 3mm.
In the invention, the solid-liquid phase-change composite material is preferably prepared according to the following method:
a) Coating a first infrared reflection phase change material on the first glass layer, and forming a first infrared reflection phase change layer after curing;
b) Coating the second infrared reflection phase change material on the first infrared reflection phase change layer, and forming a second infrared reflection phase change layer after curing;
c) Coating the third infrared reflection phase change material on the second infrared reflection phase change layer, and forming a third infrared reflection phase change layer after curing;
d) Coating the fourth infrared reflection phase change material on the third infrared reflection phase change layer, and forming a fourth infrared reflection phase change layer after curing;
e) And coating the fifth infrared reflection phase change material on the fourth infrared reflection phase change layer, coating a second glass layer on the fifth infrared reflection phase change material, and curing to form a fifth infrared reflection phase change layer, thereby obtaining the solid-liquid phase-change composite material.
The materials and components of the first infrared reflection phase-change layer, the second infrared reflection phase-change layer, the third infrared reflection phase-change layer, the fourth infrared reflection phase-change layer and the fifth infrared reflection phase-change layer are the same, and are not described in detail herein.
The method for preparing the first infrared reflection phase change material is not particularly limited, and the method for preparing the infrared reflection phase change material well known to those skilled in the art can be adopted. The present invention preferably prepares the first infrared reflective phase change material according to the following method:
mixing the solid-liquid phase change material, the infrared reflection material and the dispersing agent, and grinding to obtain the first infrared reflection phase change material.
The infrared reflecting material is preferably an infrared reflecting material with a particle size of 20-50 nm. In certain embodiments of the present application, the infrared reflective material is an infrared reflective material having a particle size of 20 nm.
The dispersant is preferably dispersant PE. The content of the infrared reflecting material in the obtained first infrared reflecting phase change layer is preferably 1 to 20wt%. In certain embodiments of the present invention, the infrared reflective material is present in the first infrared reflective phase change layer in an amount of 20 weight%.
The method of polishing is not particularly limited, and polishing methods known to those skilled in the art may be employed. The particle size after grinding is not particularly limited, and may be any particle size known to those skilled in the art.
The method for preparing the second infrared reflection phase change material is not particularly limited, and the method for preparing the infrared reflection phase change material well known to those skilled in the art can be adopted. The present invention preferably prepares the second infrared reflective phase change material according to the following method:
mixing the solid-liquid phase change material, the infrared reflection material and the dispersing agent, and grinding to obtain the second infrared reflection phase change material.
The infrared reflecting material is preferably an infrared reflecting material with a particle size of 20-50 nm. In certain embodiments of the present application, the infrared reflective material is an infrared reflective material having a particle size of 20 nm. The dispersant is preferably dispersant PE. The content of the infrared reflecting material in the obtained second infrared reflecting phase change layer is preferably 1 to 20wt%. In certain embodiments of the present invention, the second infrared reflective phase change layer has a content of 16 weight percent of the infrared reflective material.
The method of polishing is not particularly limited, and polishing methods known to those skilled in the art may be employed. The particle size after grinding is not particularly limited, and may be any particle size known to those skilled in the art.
The method for preparing the third infrared reflection phase change material is not particularly limited, and the method for preparing the infrared reflection phase change material well known to those skilled in the art can be adopted. The present invention preferably prepares the third infrared reflective phase change material according to the following method:
mixing the solid-liquid phase change material, the infrared reflection material and the dispersing agent, and grinding to obtain the third infrared reflection phase change material.
The infrared reflecting material is preferably an infrared reflecting material with a particle size of 20-50 nm. In certain embodiments of the present application, the infrared reflective material is an infrared reflective material having a particle size of 20 nm. The dispersant is preferably dispersant PE. The content of the infrared reflecting material in the obtained third infrared reflecting phase change layer is preferably 1 to 20wt%. In certain embodiments of the present invention, the infrared-reflective material is present in the third infrared-reflective phase change layer in an amount of 12 weight%.
The method of polishing is not particularly limited, and polishing methods known to those skilled in the art may be employed. The particle size after grinding is not particularly limited, and may be any particle size known to those skilled in the art.
The method for preparing the fourth infrared reflection phase change material is not particularly limited, and the method for preparing the infrared reflection phase change material well known to those skilled in the art can be adopted. The present invention preferably prepares the fourth infrared reflective phase change material according to the following method:
mixing the solid-liquid phase change material, the infrared reflection material and the dispersing agent, and grinding to obtain the fourth infrared reflection phase change material.
The infrared reflecting material is preferably an infrared reflecting material with a particle size of 20-50 nm. In certain embodiments of the present application, the infrared reflective material is an infrared reflective material having a particle size of 20 nm. The dispersant is preferably dispersant PE. The content of the infrared reflecting material in the obtained fourth infrared reflecting phase change layer is preferably 1 to 20wt%. In certain embodiments of the present invention, the infrared-reflective material is present in the fourth infrared-reflective phase change layer in an amount of 8 weight%.
The method of polishing is not particularly limited, and polishing methods known to those skilled in the art may be employed. The particle size after grinding is not particularly limited, and may be any particle size known to those skilled in the art.
The method for preparing the fifth infrared reflection phase change material is not particularly limited, and the method for preparing the infrared reflection phase change material well known to those skilled in the art can be adopted. The present invention preferably prepares the fifth infrared reflective phase change material according to the following method:
mixing the solid-liquid phase change material, the infrared reflection material and the dispersing agent, and grinding to obtain the fifth infrared reflection phase change material.
The infrared reflecting material is preferably an infrared reflecting material with a particle size of 20-50 nm. In certain embodiments of the present application, the infrared reflective material is an infrared reflective material having a particle size of 20 nm. The dispersant is preferably dispersant PE. The content of the infrared reflecting material in the obtained fifth infrared reflecting phase change layer is preferably 1 to 20wt%. In certain embodiments of the present invention, the infrared reflective material is present in the fifth infrared reflective phase change layer in an amount of 4 weight%.
The method of polishing is not particularly limited, and polishing methods known to those skilled in the art may be employed. The particle size after grinding is not particularly limited, and may be any particle size known to those skilled in the art.
The solid-liquid phase change composite material prepared by the invention is heated until the infrared phase change material is melted to be in a liquid phase for experiments. Experimental results show that the temperature of the liquid phase of the solid-liquid phase change composite material prepared by the method is 5-7% lower than that of the composite material without the infrared gradient reflection phase change layer.
The solid-liquid phase change composite material provided by the invention has better thermal inertia, is more suitable for building enclosure structures, and has lower energy consumption. In practical application, the infrared reflection intensity in the infrared gradient reflection phase-change layer changes in a gradient manner, a glass layer or a resin layer which is compounded with one side of the infrared gradient reflection phase-change layer with high infrared reflection intensity is arranged at the outermost side of a building, insolation is firstly received, most of infrared rays can be reflected out from the part of the infrared gradient reflection phase-change layer with high infrared reflection intensity, and the temperature is gradually reduced from the outer side to the inner side, so that the infrared gradient reflection phase-change layer can reflect infrared rays to the greatest extent while consuming infrared reflection materials, further the thermal inertia of solid-liquid phase-change materials is improved, and the infrared gradient reflection phase-change layer is more suitable for building envelope structures.
The above description of the embodiments is only for aiding in the understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (5)
1. A solid-liquid phase composite comprising:
a first glass layer;
an infrared gradient reflection phase change layer compounded on the first glass layer;
a second glass layer composited on the infrared gradient reflection phase change layer;
the infrared gradient reflection phase change layer includes:
a first infrared reflective phase change layer composited on the first glass layer;
a second infrared reflective phase change layer composited on the first infrared reflective phase change layer;
a third infrared reflective phase change layer composited on the second infrared reflective phase change layer;
a fourth infrared reflective phase change layer composited on the third infrared reflective phase change layer;
a fifth infrared reflective phase change layer compounded on the fourth infrared reflective phase change layer, the second glass layer being compounded on the fifth infrared reflective phase change layer;
the first infrared reflection phase change layer, the second infrared reflection phase change layer, the third infrared reflection phase change layer, the fourth infrared reflection phase change layer and the fifth infrared reflection phase change layer are all mixed layers formed by solid-liquid phase change materials and infrared reflection materials, and the infrared reflection intensity sequentially decreases in a gradient manner;
the solid-liquid phase change material is CaCl 2 ·6H 2 O, paraffin, stearic acid or lauric acid; the infrared reflecting material is ITO or TiO 2 。
2. The solid-liquid phase-change composite material according to claim 1, wherein,
the thickness of the first infrared reflection phase change layer is 2-3 mm;
the thickness of the second infrared reflection phase change layer is 1-2 mm;
the thickness of the third infrared reflection phase change layer is 1-2 mm;
the thickness of the fourth infrared reflection phase change layer is 1-2 mm;
the thickness of the fifth infrared reflection phase-change layer is 1-2 mm.
3. The solid-liquid phase-change composite material according to claim 1, wherein the thickness of the first glass layer is 3-5 mm.
4. The solid-liquid phase-change composite material according to claim 1, wherein the thickness of the infrared gradient reflection phase-change layer is 6-11 mm.
5. The solid-liquid phase-change composite material according to claim 1, wherein the thickness of the second glass layer is 3-5 mm.
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| CN201810549851.XA CN108442570B (en) | 2018-05-31 | 2018-05-31 | Solid-liquid phase change composite material |
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| CN110130791A (en) * | 2019-05-29 | 2019-08-16 | 广东工业大学 | A kind of high reflecting glass window |
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| CN208733852U (en) * | 2018-05-31 | 2019-04-12 | 广东工业大学 | A kind of solid-liquid phase change composite material |
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| CN108442570A (en) | 2018-08-24 |
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