CN108621506B - Energy-saving glass with aerogel composite board inside and preparation method thereof - Google Patents

Energy-saving glass with aerogel composite board inside and preparation method thereof Download PDF

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Publication number
CN108621506B
CN108621506B CN201710162217.6A CN201710162217A CN108621506B CN 108621506 B CN108621506 B CN 108621506B CN 201710162217 A CN201710162217 A CN 201710162217A CN 108621506 B CN108621506 B CN 108621506B
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China
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aerogel
glass
composite board
transparent
energy
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CN108621506A (en
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卢梦言
卢军
卢孟磊
张丁日
卢斌
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Changsha Xingna Aerogel Co ltd
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Changsha Xingna Aerogel Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10018—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising only one glass sheet
    • B32B17/10027—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising only one glass sheet the glass sheet not being an outer layer
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    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
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    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
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    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/42—Layered products comprising a layer of synthetic resin comprising condensation resins of aldehydes, e.g. with phenols, ureas or melamines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
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    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/08—Interconnection of layers by mechanical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C14/00—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
    • C03C14/004—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix the non-glass component being in the form of particles or flakes
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
    • C03C27/06—Joining glass to glass by processes other than fusing
    • C03C27/10—Joining glass to glass by processes other than fusing with the aid of adhesive specially adapted for that purpose
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
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    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
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Abstract

The invention provides energy-saving glass with an aerogel composite board inside and a preparation method thereof. The manufacturing method comprises the following steps: (1) arranging aerogel, and placing an aerogel composite board on the transparent board; (2) arranging a sealing element, and placing the sealing element on the transparent plates at the peripheral edges of the aerogel composite plates; (3) combining the sheets, namely placing the other transparent plate on the pre-assembly in the step (2); (4) and (4) sealing by melting, namely heating the combined body obtained in the step (3) until the sealing element is melted and sealed. The energy-saving glass with the built-in aerogel composite board disclosed by the invention has better heat insulation and light transmittance, and is suitable for the fields of doors and windows, curtain wall glass, daylighting roofs and the like of green buildings, ultralow energy consumption buildings and near-zero energy consumption buildings.

Description

Energy-saving glass with aerogel composite board inside and preparation method thereof
Technical Field
The invention relates to the technical field of glass preparation, in particular to energy-saving glass with an aerogel composite board arranged inside and a preparation method thereof.
Background
The glass is a material with high transparency, strength and hardness and air impermeability, is chemically inert in daily environment and does not react with organisms, so the glass has wide application. In the prior art, glass used for buildings is mainly used for sealing and lighting. However, in winter in cold areas, the heat insulation effect of glass is not ideal, and in summer in hot-summer and cold-winter areas or hot-summer and warm-winter areas, the heat insulation effect of glass is not ideal. Along with the high-speed development of economy in China, the requirements of people on life quality are higher and higher, and doors, windows and glass curtain walls of buildings are larger and larger, so that the proportion of heat exchange through the doors, the windows and the glass curtain walls in heat exchange between the buildings and the outside is higher and higher. In order to reduce the heat exchange through glass doors and windows curtain walls, a plurality of heat insulation glass is developed at home and abroad in recent years, and the glass mainly comprises three types according to the structure: (1) hollow glass composed of two or more layers of ordinary glass; (2) hollow glass formed by glass plated with low-radiation films; (3) the vacuum glass is formed by pumping negative pressure in the middle of double-layer glass. The heat reflection coated glass and the low-radiation coated glass can prevent sunlight from entering a room to the maximum extent in summer and can prevent far infrared radiation from the outdoor to the maximum extent. However, in winter where heating is needed, it is obviously not suitable to block outdoor heat energy from entering the room, and the transmittance of visible light is affected. Vacuum glass is one of ideal energy-saving glass due to excellent heat insulation performance, thinness, lightness and the like, but a metal support body is required to be arranged in a vacuum cavity of the vacuum glass, so that local stress is concentrated, the vacuum glass is easy to break under the action of external force, and potential safety hazards are generated. Therefore, development of a novel energy-saving glass with high safety is urgently required.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the energy-saving glass produced by the preparation method not only has better heat insulation and heat preservation performance and light transmission, but also has excellent safety performance, and can be widely applied to the fields of doors and windows, curtain wall glass, lighting roofs and the like of green buildings, ultra-low energy consumption green buildings and near-zero energy consumption green buildings.
The solution of the invention is: in the cavity glass inner chamber, built-in by itself have excellent thermal-insulated heat preservation performance and the aerogel of light transmissivity and glass or the compound aerogel composite sheet that obtains of resin binder, both can further improve cavity glass's thermal-insulated heat preservation performance on the one hand, on the other hand owing to adopted the aerogel composite sheet as sandwich layer, can obtain good security performance again and sound insulation and fall and the energy-absorbing characteristic of making an uproar to show improvement cavity glass's energy-conserving effect.
The solution of the invention is realized by the following steps: a preparation method of energy-saving glass with an aerogel composite board inside comprises the following steps:
(1) arranging aerogel, and placing an aerogel composite board on the transparent board;
(2) arranging a sealing element, and placing the sealing element on the transparent plates at the peripheral edges of the aerogel composite plates;
(3) combining the sheets, namely placing the other transparent plate on the pre-assembly in the step (2);
(4) and (4) sealing by melting, namely heating the combined body obtained in the step (3) until the sealing element is melted and sealed.
Therefore, through the steps, the energy-saving glass which is provided with the sealed cavity and the aerogel composite board in the cavity and takes at least two transparent boards as the shell can be obtained. The aerogel composite board arranged in the energy-saving glass takes the transparent aerogel as a functional component, and the fine nano-network structure of the aerogel effectively limits the propagation of local thermal excitation, so that the energy-saving glass has extremely low solid heat conduction capability; the nanometer microporous structure inhibits the contribution of gas molecules to heat conduction, so that the convective heat conduction capability is greatly reduced; the refractive index of the silica-based aerogel is close to l, and the ratio of the annihilation coefficients of the silica-based aerogel to infrared light and visible light is more than 100, so that sunlight can be effectively transmitted, and infrared heat radiation at the ambient temperature is prevented, therefore, the energy-saving glass prepared by adopting the method has good heat insulation performance because the aerogel composite board is embedded. In addition, the aerogel has better compression deformation resistance, can effectively absorb external impact energy on the glass and relieve the stress concentration problem at the tip of a glass expansion crack, can ensure that the glass obtains good safety performance, and is safe super energy-saving glass.
Another technical solution of the present invention is that, on the basis of the above, before the step (1), a thermoplastic resin film is pre-laid on the surface of the aerogel composite board. So, can pass through the thermoplastic resin membrane with aerogel composite sheet and two transparent plates through hot pressing and bond, further improve glass's security performance.
Another technical solution of the present invention is that, in addition to the above, the transparent plate is a transparent resin plate or glass.
In another embodiment of the present invention, based on the above, the transparent resin plate in the transparent plate may be one of polyethylene, polypropylene, polyvinyl chloride, polystyrene, polyoxymethylene, polycarbonate, polyamide, and acrylic resin, and is determined according to performance requirements.
In another aspect of the present invention, in addition to the above, the sealing member is a thermoplastic resin sheet. Therefore, the thermoplastic resin sheet can be tightly adhered to the two transparent plates after being softened by hot pressing, and the glass cavity can be sealed after being cooled and hardened.
Another technical solution of the present invention is that, based on the above, the aerogel composite panel includes one of an aerogel/glass composite panel and an aerogel/resin composite panel. Therefore, by adopting the aerogel and glass or resin composite technology, the aerogel and glass or resin composite board manufactured by taking the transparent aerogel which is light in weight and has excellent heat insulation performance, sound insulation and noise reduction performance and energy absorption characteristic as a functional component and taking the glass or resin as a bonding phase has the excellent characteristic of the aerogel and the good mechanical property of the glass or resin.
On the basis, the other technical scheme of the invention is that the preparation method of the aerogel/glass composite board in the aerogel composite board comprises the following steps:
(1) mixing, namely uniformly mixing the glass powder and the aerogel;
(2) melting, namely heating the glass powder in the mixture obtained in the step (1) to be melted to obtain semi-solid mixed glass melt;
(3) and (3) molding, pouring the mixed glass melt obtained in the step (2) into a mold, and cooling and solidifying.
Thus, through the steps, the aerogel/glass composite board with heat insulation and preservation performance, which is composed of aerogel and glass binding phase, can be obtained.
On the basis, the other technical scheme of the invention is that the preparation method of the aerogel/resin composite board in the aerogel composite board comprises the following steps:
(1) mixing, namely uniformly mixing the aerogel and the resin powder;
(2) paving, namely paving a layer of mixture obtained in the step (1) on a mould substrate;
(3) melting, namely rapidly heating the resin powder in the mixture obtained in the step (2) to be molten in a step scanning mode by using a laser;
(4) and (3) alternately spreading and melting, and alternately repeating the step (2) and the step (3) on the previous deposition layer for solidification.
Therefore, through the steps of mixing, paving, heating by a laser and the like, the aerogel/resin composite board with heat insulation and preservation performance, which is formed by aerogel and resin binder phase, can be obtained.
According to another technical scheme, the energy-saving glass with the aerogel composite board inside is composed of two transparent boards, a sealing element and the aerogel composite board, wherein the two transparent boards and the sealing element form a sealed cavity, and the aerogel composite board is filled in the sealed cavity.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention.
Fig. 1-2 are sectional views of energy-saving glass with an aerogel composite panel built therein according to an embodiment of the present invention.
Wherein:
1-a transparent plate; 2-aerogel composite board; 21-a thermoplastic resin film; 3-sealing element.
Detailed Description
The present invention will now be described in detail with reference to the drawings, which are given by way of illustration and explanation only and should not be construed to limit the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.
The embodiment of the invention provides a preparation method of energy-saving glass with an aerogel composite board inside, which comprises the following steps:
(1) placing the aerogel composite board 2 on the central surface of the transparent board 1;
(2) placing a seal 3 on the transparent plate against the peripheral edge of the aerogel composite panel 2;
(3) placing the other transparent plate 1 on the pre-assembly obtained in the step (2) in parallel;
(4) and (4) heating the combined body obtained in the step (3) until the sealing element is melted and sealed.
Thus, through the steps, the energy-saving glass which takes at least two transparent plates 1 as a shell and is provided with a sealed cavity and an aerogel composite plate 2 is arranged in the cavity can be obtained, as shown in fig. 1. The aerogel composite board 2 arranged in the energy-saving glass takes transparent aerogel as a functional component, and the fine nano-network structure of the aerogel effectively limits the propagation of local thermal excitation, so that the energy-saving glass has extremely low solid heat conduction capability; the nanometer microporous structure inhibits the contribution of gas molecules to heat conduction, so that the convective heat conduction capability is greatly reduced; the refractive index of the silica-based aerogel is close to l, and the ratio of the annihilation coefficients of the silica-based aerogel to infrared light and visible light is more than 100, so that sunlight can be effectively transmitted, and infrared heat radiation at the ambient temperature is prevented, therefore, the energy-saving glass prepared by adopting the method has good heat insulation performance because the aerogel composite board is embedded. In addition, the aerogel has better compression deformation resistance, can effectively absorb external impact energy on the glass and relieve the stress concentration problem at the tip of a glass expansion crack, can ensure that the glass obtains good safety performance, and is safe super energy-saving glass.
On the basis of the above embodiment, in another embodiment of the present invention, before the step (1), a thermoplastic resin film 21 is pre-laid on the surface of the aerogel composite board 2. Therefore, the aerogel composite board 2 and the two transparent boards 1 can be bonded through the thermoplastic resin film 21 through hot pressing, and the safety performance of the glass is further improved.
On the basis of the above embodiment, in another embodiment of the present invention, the transparent plate 1 is a transparent resin plate or glass.
On the basis of the above embodiment, in another embodiment of the present invention, the transparent resin plate in the transparent plate may be one of polyethylene, polypropylene, polyvinyl chloride, polystyrene, polyoxymethylene, polycarbonate, polyamide, and acrylic resin, and is determined according to performance requirements.
In another embodiment of the present invention, on the basis of the above embodiment, the sealing member 3 is a thermoplastic resin sheet. Therefore, the thermoplastic resin sheet can be tightly adhered to the two transparent plates after being softened by hot pressing, and the glass cavity can be sealed after being cooled and hardened.
Based on the above embodiment, in another embodiment of the present invention, the aerogel composite panel 2 includes one of an aerogel/glass composite panel and an aerogel/resin composite panel. Therefore, by adopting the aerogel and glass or resin composite technology, the aerogel and glass or resin composite board manufactured by taking the transparent aerogel which is light in weight and has excellent heat insulation performance, sound insulation and noise reduction performance and energy absorption characteristic as a functional component and taking the glass or resin as a bonding phase has the excellent characteristic of the aerogel and the good mechanical property of the glass or resin.
Based on the above embodiment, in another embodiment of the present invention, a method for preparing the aerogel/glass composite plate in the aerogel composite plate comprises:
(1) mixing, namely uniformly mixing the glass powder and the aerogel;
(2) melting, namely heating the glass powder in the mixture obtained in the step (1) to be melted to obtain semi-solid mixed glass melt;
(3) and (3) molding, pouring the mixed glass melt obtained in the step (2) into a mold, and cooling and solidifying.
Thus, through the steps, the aerogel/glass composite board with heat insulation and preservation performance, which is composed of aerogel and glass binding phase, can be obtained. The step (2) in the preparation method can be paving, namely placing the mixture obtained in the step (1) in a mould; then, the step (3) is melting, namely heating the glass powder in the mixture to be melted to obtain semi-solid mixed glass melt, and cooling and solidifying; a clarification process is also included after the melting step and before the forming step; the volume ratio of the aerogel to the glass powder is 0.1-9: 1; the aerogel has the characteristics of internal hydrophobicity and surface hydrophilicity; the shape of the aerogel is one of block, particle and powder.
On the basis of the above embodiment, in another embodiment of the present invention, a method for preparing the aerogel/resin composite board in the aerogel composite board comprises:
(1) mixing, namely uniformly mixing the aerogel and the resin powder;
(2) paving, namely paving a layer of mixture obtained in the step (1) on a mould substrate;
(3) melting, namely rapidly heating the resin powder in the mixture obtained in the step (2) to be molten in a step scanning mode by using a laser;
(4) and (3) alternately spreading and melting, and alternately repeating the step (2) and the step (3) on the previous deposition layer for solidification.
Therefore, through the steps of mixing, paving, heating by a laser and the like, the aerogel/resin composite board with heat insulation and preservation performance, which is formed by aerogel and resin binder phase, can be obtained. Wherein the alternating spreading and melting steps are performed before the resin in the melting step is cured; the alternating spreading and melting step is carried out after the resin in the melting step is solidified; the volume ratio of the aerogel to the resin powder is 0.1-9: 1; the aerogel has the characteristics of internal hydrophobicity and surface hydrophilicity; the shape of the aerogel is one of block, particle and powder; the resin is a thermosetting resin or a thermoplastic resin.
On the basis of the above embodiment, in another embodiment of the present invention, the energy saving glass with an aerogel composite board embedded therein is composed of two transparent boards 1, a sealing member 3 and an aerogel composite board 2, the two transparent boards 1 and the sealing member 3 form a sealed cavity, and the aerogel composite board 2 is sandwiched and filled in the sealed cavity, and the structure is as shown in fig. 1.
On the basis of the above embodiment, in another embodiment of the present invention, an energy saving glass with an aerogel composite panel inside is prepared by the following steps:
(1) the aerogel/glass composite board 2 is manufactured by the following preparation method: (a) uniformly mixing the glass powder with the aerogel; (b) heating the glass powder in the mixture to be molten to obtain semi-solid mixed glass melt; (c) pouring the obtained mixed solution into a mould, cooling and solidifying to obtain the aerogel/glass composite board 2;
(2) pre-paving a layer of thermoplastic resin film 21 on the central surface of a transparent polycarbonate plate 1, placing an aerogel/glass composite plate 2 with a corresponding size on the paved thermoplastic resin film 21, and paving a layer of thermoplastic resin film 21 on the aerogel/glass composite plate 2;
(3) placing the seal 3 on the surface of the transparent polycarbonate sheet against the peripheral edge of the aerogel/glass composite panel 2;
(4) placing another transparent polycarbonate plate 1 on the pre-assembly obtained in the step (3) in parallel;
(5) and (4) heating the combination obtained in the step (4) until the sealing element is melted and sealed, and obtaining the energy-saving glass with the built-in aerogel composite board.
The structural section view of the energy-saving glass with the aerogel composite plate built in obtained through the steps is shown in fig. 2.
On the basis of the above embodiment, in another embodiment of the present invention, an energy saving glass with an aerogel composite panel inside is prepared by the following steps:
(1) the aerogel/glass composite board 2 is manufactured by the following preparation method: (a) uniformly mixing the glass powder with the aerogel; (b) heating the glass powder in the mixture to be molten to obtain semi-solid mixed glass melt; (c) pouring the obtained mixed solution into a mould, cooling and solidifying to obtain the aerogel/glass composite board 2;
(2) laying a layer of thermoplastic resin film 21 on the central surface of a piece of glass 1 in advance, placing an aerogel/glass composite board 2 with a corresponding size on the laid thermoplastic resin film 21, and then laying a layer of thermoplastic resin film 21 on the aerogel/glass composite board 2;
(3) placing a thermoplastic resin sheet 3 on the glass surface against the peripheral edge of the aerogel/glass composite panel 2;
(4) placing another piece of glass 1 on the pre-assembly obtained in the step (3) in parallel;
(5) and (4) heating the combined body obtained in the step (4) until the thermoplastic resin sheet is melted and sealed, and obtaining the energy-saving glass with the built-in aerogel composite board.
The structural section view of the energy-saving glass with the aerogel composite plate built in obtained through the steps is shown in fig. 2.
On the basis of the above embodiment, in another embodiment of the present invention, an energy saving glass with an aerogel composite panel inside is prepared by the following steps:
(1) the aerogel/resin composite board 2 is manufactured by the following preparation method: (a) uniformly mixing the aerogel and the resin powder; (b) laying a layer of mixture on the mould substrate; (c) rapidly heating the resin powder in the paved mixture to be molten in a step scanning mode by using a laser; (d) according to the shape of the input aerogel composite board, alternately repeating the step (b) and the step (c) on the previous deposition layer, and curing to obtain the aerogel/resin composite board 2;
(2) placing an aerogel/resin composite plate 2 with a corresponding size on the central surface of a piece of transparent polyvinyl chloride plate 1;
(3) placing a thermoplastic resin sheet 3 on the surface of the transparent polyvinyl chloride plate 1 which is close to the peripheral edge of the aerogel/resin composite plate 2;
(4) placing the other transparent polyvinyl chloride plate 1 on the pre-assembly obtained in the step (3) in parallel;
(5) and (4) heating the combined body obtained in the step (4) until the thermoplastic resin sheet 3 is melted and sealed, and obtaining the energy-saving glass with the built-in aerogel composite board.
The structural section view of the energy-saving glass with the aerogel composite plate built in obtained through the steps is shown in figure 1.
On the basis of the above embodiment, in another embodiment of the present invention, an energy saving glass with an aerogel composite panel inside is prepared by the following steps:
(1) the aerogel/resin composite board 2 is manufactured by the following preparation method: (a) uniformly mixing the aerogel and the resin powder; (b) laying a layer of mixture on the mould substrate; (c) rapidly heating the resin powder in the paved mixture to be molten in a step scanning mode by using a laser; (d) according to the shape of the input aerogel composite board, alternately repeating the step (b) and the step (c) on the previous deposition layer, and curing to obtain the aerogel/resin composite board 2;
(2) laying a layer of thermoplastic resin film 21 on the central surface of a piece of glass 1 in advance, placing an aerogel/resin composite board 2 with a corresponding size on the laid thermoplastic resin film 21, and then laying a layer of thermoplastic resin film 21 on the aerogel/resin composite board 2;
(3) placing a thermoplastic resin sheet 3 on the surface of the glass 1 against the peripheral edge of the aerogel/resin composite panel 2;
(4) placing another piece of glass 1 on the pre-assembly obtained in the step (3) in parallel;
(5) and (4) heating the combined body obtained in the step (4) until the thermoplastic resin sheet 3 is melted and sealed, and obtaining the energy-saving glass with the built-in aerogel composite board.
The structural section view of the energy-saving glass with the aerogel composite plate built in obtained through the steps is shown in figure 1.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (2)

1. The preparation method of the energy-saving glass with the aerogel composite board inside is characterized by comprising the following steps:
(1) paving a thermoplastic resin film on the surface of the aerogel composite board in advance;
(2) arranging aerogel, and placing an aerogel composite board on the transparent board; the transparent plate is a transparent resin plate;
(3) arranging a sealing element, and placing the sealing element on the transparent plates at the peripheral edges of the aerogel composite plates; the sealing member is a thermoplastic resin sheet;
(4) combining the sheets, namely placing the other transparent plate on the pre-assembly in the step (3);
(5) sealing by melting, namely heating the combined body obtained in the step (4) until the sealing element is sealed by melting;
the aerogel composite board is an aerogel-glass composite board;
the preparation method of the aerogel-glass composite board comprises the following steps:
(a) mixing materials, namely uniformly mixing glass powder and aerogel;
(b) melting, namely heating the glass powder in the mixture obtained in the step (a) to be melted to obtain semi-solid mixed glass melt;
(c) and (c) molding, namely pouring the mixed glass melt obtained in the step (b) into a mold, and cooling and solidifying.
2. The method for preparing the energy-saving glass with the built-in aerogel composite board according to claim 1, wherein the transparent resin board is one of polyethylene, polypropylene, polyvinyl chloride, polystyrene, polyoxymethylene, polycarbonate, polyamide and acrylic resin.
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Publication number Priority date Publication date Assignee Title
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US20050100728A1 (en) * 2003-11-10 2005-05-12 Cedomila Ristic-Lehmann Aerogel/PTFE composite insulating material
CN101143981A (en) * 2007-09-14 2008-03-19 哈尔滨工业大学 Powder coating containing aerogel particles and preparing method thereof
CN102536061A (en) * 2011-12-29 2012-07-04 天津南玻节能玻璃有限公司 Coated hollow composite glass and manufacturing method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1249730A (en) * 1997-01-24 2000-04-05 卡伯特公司 Multilayer composite materials with at least one aerogel-congtg. layer and at least one other layer, process for producing same and their use
US20050100728A1 (en) * 2003-11-10 2005-05-12 Cedomila Ristic-Lehmann Aerogel/PTFE composite insulating material
CN101143981A (en) * 2007-09-14 2008-03-19 哈尔滨工业大学 Powder coating containing aerogel particles and preparing method thereof
CN102536061A (en) * 2011-12-29 2012-07-04 天津南玻节能玻璃有限公司 Coated hollow composite glass and manufacturing method thereof

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