CN108621504B - Safe energy-saving automobile glass and manufacturing method thereof - Google Patents
Safe energy-saving automobile glass and manufacturing method thereof Download PDFInfo
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- CN108621504B CN108621504B CN201710162209.1A CN201710162209A CN108621504B CN 108621504 B CN108621504 B CN 108621504B CN 201710162209 A CN201710162209 A CN 201710162209A CN 108621504 B CN108621504 B CN 108621504B
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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
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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
- 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
- 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
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/18—Handling of layers or the laminate
- B32B38/1858—Handling of layers or the laminate using vacuum
-
- 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
- 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
- B32B7/10—Interconnection of layers at least one layer having inter-reactive properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J1/00—Windows; Windscreens; Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J1/00—Windows; Windscreens; Accessories therefor
- B60J1/02—Windows; Windscreens; Accessories therefor arranged at the vehicle front, e.g. structure of the glazing, mounting of the glazing
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- 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
-
- 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
- C03C27/04—Joining glass to metal by means of an interlayer
-
- 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
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
- B32B2307/102—Insulating
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/412—Transparent
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geochemistry & Mineralogy (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
The safe energy-saving automobile glass sequentially comprises glass, an aerogel composite layer and glass, wherein the aerogel composite layer comprises one or more aerogels and organic films on the peripheral side surfaces of the aerogels, and the aerogels are horizontally bonded through the organic films on the peripheral side surfaces. The manufacturing method comprises the following steps: (1) combining, namely horizontally placing one or more aerogels on one piece of glass, placing an organic film around the one or more aerogels, and placing another piece of glass on the one or more aerogels and the organic film to obtain a combined body; (2) and (3) hot-press molding, namely, carrying out hot-press molding on the combined body at a certain temperature and pressure. The safe energy-saving automobile glass has excellent visible light transmission, heat insulation, sound insulation, noise reduction, impact resistance and anti-condensation performance, and is particularly suitable for front windshields, door glasses, skylights and rear windshields of new energy automobiles.
Description
Technical Field
The invention relates to the technical field of automobile glass, in particular to safe and energy-saving automobile glass and a manufacturing 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 automobiles is mainly used for sealing and lighting, and cannot achieve good effects of heat insulation and preservation, sound insulation and noise reduction, anti-glare, anti-condensation and atomization, impact resistance and the like. With the rapid development of automobile technology, especially new energy automobiles, people have higher and higher requirements on the cruising ability and comfort (including the trend of light, light components, noise, temperature and the like in the automobile), and automobile glass has been developed from the past only as a lighting material in the direction of safety, heat preservation, heat insulation, sound insulation, noise reduction, light control and the like.
The aerogel is a light solid material which is formed by stacking nano-scale particles and has nano-scale holes, has extremely high porosity and specific surface area, excellent chemical stability and incombustibility, and shows excellent light, light transmission, heat insulation, heat preservation, sound insulation, fire prevention and impact resistance; therefore, the aerogel is filled in the two pieces of glass in a clamping way, particularly the automobile glass obtained by compounding the toughened glass and the laminated glass, so that the use of an automobile air conditioner can be reduced, the cruising ability of an automobile, particularly a new energy automobile, can be improved, light can be adjusted, sound insulation and noise reduction can be realized, the glass is prevented from dewing and atomizing, impact resistance can be realized, and the comfort level and the safety can be improved.
Disclosure of Invention
Based on this, it is necessary to provide a safe and energy-saving automobile glass and a manufacturing method thereof.
The safe energy-saving automobile glass sequentially comprises glass, an aerogel composite layer and glass, wherein the aerogel composite layer comprises one or more aerogels and organic films on the peripheral side surfaces of the aerogels, and the aerogels are horizontally bonded through the organic films on the peripheral side surfaces.
On the basis, the organic film on the peripheral side of the aerogel is bonded with the glass.
On the basis, an organic film is arranged between the aerogel composite layer and the glass.
On the basis, the glass is one of tempered glass, regional tempered glass, semi-tempered glass, ultra-white glass, float glass, coated glass and film-coated glass; the glass may be curved glass.
The other technical scheme of the invention is that on the basis, the aerogel can be curved block-shaped aerogel.
The other technical scheme of the invention is that on the basis, the organic film is one or more of polyvinyl butyral, ethylene-vinyl acetate copolymer, acrylate, polyurethane, polystyrene and polyethylene.
A manufacturing method of safe and energy-saving automobile glass comprises the following steps:
(1) combining, namely horizontally placing one or more aerogels on one piece of glass, placing an organic film around the one or more aerogels, and placing another piece of glass on the one or more aerogels and the organic film to obtain a combined body;
(2) and (3) hot-press molding, namely, carrying out hot-press molding on the combined body at a certain temperature and pressure.
On the basis, before the aerogel is placed in the sheet combining step, a layer of organic film is laid on the surface of the glass; before placing another piece of glass in the sheet combining step, a layer of organic film is laid on one or more pieces of aerogel and organic films.
On the basis, the other technical scheme of the invention is that before the sheet combining step, the glass cleaning and the glass surface pretreatment are also included.
On the basis, the other technical scheme of the invention is that before the step of laminating, the method also comprises a step of sticking a film; the film pasting step is to paste one or more of a light homogenizing film, an ultraviolet absorption film, an anti-glare film and a low-radiation film on the surface of the glass.
On the basis, a heating metal wire can be placed between the aerogel composite layer and the glass.
On the basis, the temperature in the forming step is 50-450 ℃, and the pressure is 0.1-20 MPa; the hot press forming process can also comprise vacuum pumping treatment; the thermoforming process may also be performed in a vacuum environment.
On the basis, the other technical scheme of the invention is that after the hot-press molding step, a sealing step is further included; the sealing step is to seal the periphery of the safe and energy-saving automobile glass obtained after the hot-press forming step by using sealant; the sealant is one or more of silicone adhesive, polysulfide rubber, butyl rubber, water, sodium silicate and potassium silicate hydrate.
On the basis, the other technical scheme of the invention is that a vacuumizing treatment step can be further included after the hot press molding step, specifically, the aerogel composite layer is vacuumized; the hot press molding step may further include an inert gas filling step, specifically, filling an inert gas into the aerogel composite layer.
The safe energy-saving automobile glass has excellent visible light transmission, heat insulation, sound insulation, noise reduction, impact resistance and anti-condensation performance, and is particularly suitable for front windshields, door glasses, skylights and rear windshields of new energy automobiles.
Drawings
FIG. 1 is a cross-sectional view of a safety energy-saving automobile glass according to the present invention;
FIG. 2 is a structural diagram of a front windshield of a safe and energy-saving automobile according to the invention;
FIG. 3 is a plan view of an aerogel composite layer of the present invention;
FIG. 4 is a plan view of another aerogel composite layer according to the present invention;
FIG. 5 is a structural diagram of a safe and energy-saving automobile door glass according to the present invention;
FIG. 6 is a cross-sectional view of another safety energy-saving automobile glass of the present invention;
FIG. 7 is a structural view of another safety energy-saving type automobile glass of the present invention;
wherein, 1-glass, 2-aerogel composite layer, 21-organic film, 22-aerogel, 3-spacer, 4-sealed glue.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
The embodiment of the invention relates to safe and energy-saving automobile glass, which sequentially comprises glass 1, an aerogel composite layer 2 and the glass 1, wherein the aerogel composite layer 2 comprises one or more aerogels 22 and organic films 21 on the peripheral side surfaces of the aerogels, and the aerogels 22 are horizontally bonded through the organic films 21 on the peripheral side surfaces.
Therefore, as the preparation process of the large-size aerogel is complex and the yield is low, a plurality of small-size aerogels are horizontally spliced through the organic films, the production efficiency of the automobile glass can be improved on the basis of not changing the excellent heat insulation and heat preservation performance and light transmittance of the aerogels, and therefore the safe energy-saving automobile glass disclosed by the invention has the characteristics of excellent visible light transmittance, heat insulation and heat preservation, sound insulation and noise reduction, dew and atomization resistance, impact resistance and energy absorption, safety and the like.
In this embodiment, the organic films 21 on the peripheral sides of the aerogels 22 are also bonded to the glass 1. Like this, the organic film still bonds each other with the glass of both sides when with one or more aerogel level bonding for the car glass security performance who arrives is better, and, the organic film keeps apart the aerogel in confined space.
In this embodiment, an organic film 21 is disposed between the aerogel composite layer 2 and the glass 1, as shown in fig. 7. So, set up organic film between aerogel composite bed and two glass, further increased automobile glass's security performance.
In the embodiment, the glass 1 is one of tempered glass, zone tempered glass, semi-tempered glass, ultra-white glass, float glass, coated glass and film-coated glass; the glass may be curved glass. Therefore, different types and different shapes of glass can be selected according to the requirements and the use positions of the automobile.
In this embodiment, the aerogel 22 may be a curved block-shaped aerogel; SiO having excellent light transmission characteristics is preferable2An aerogel. Thus, the aerogel of the present invention has a shape that completely matches the shape of glass.
In this embodiment, the organic film 21 is one or more of polyvinyl butyral, ethylene-vinyl acetate copolymer, acrylate, polyurethane, polystyrene, and polyethylene; polyvinyl butyral (PVB), Ethylene Vinyl Acetate (EVA), and the like are preferred. Thus, thermoplastic resins having transparent characteristics are suitable for the present invention.
A manufacturing method of safe and energy-saving automobile glass comprises the following steps:
(1) combining, namely horizontally placing one or more aerogels 22 on one glass 1, placing an organic film 21 around the one or more aerogels 22, and placing another glass 1 on the one or more aerogels 22 and the organic film 21 to obtain a combined body;
(2) and (3) hot-press molding, namely, carrying out hot-press molding on the combined body at a certain temperature and pressure.
Thus, the assembly made by 4 aerogels and organic films placed around them is shown in FIG. 4; an assembly made of an aerogel and an organic film placed around the aerogel is shown in fig. 3, a sectional view of the safety energy-saving automobile glass made of the assembly is shown in fig. 1, and an automobile front windshield glass and a door glass made of the structure are shown in fig. 2 and 5. Because the preparation process of the large-size aerogel is complex and the yield is low, a plurality of pieces of small-size aerogels are horizontally spliced through the organic films, so that the production efficiency of the automobile glass can be improved on the basis of not changing the excellent heat insulation and preservation performance and light transmittance of the aerogels, and therefore, the safe energy-saving automobile glass disclosed by the invention has the characteristics of excellent visible light transmittance, heat insulation and preservation, sound insulation and noise reduction, dew and atomization resistance, impact resistance and energy absorption resistance, safety and the like.
In addition, the invention can also place the spacer 3 around the aerogel composite layer 2; the spacer 3 may be one of a float glass spacer, a tempered glass spacer, a stainless steel spacer, an aluminum spacer, a bridge cut aluminum spacer, a ceramic spacer, a composite material spacer; the spacer 3 is a spacer bar or a spacer frame; the spacer 3 may have a hollow structure; the hollow structure of the spacer 3 can be filled with a drying agent, so that water vapor entering the glass sealing cavity in use can be continuously adsorbed, the condensation phenomenon is not easy to form in the use process, and the quality of the automobile glass is fully ensured; the spacer 3 can be provided with a vent, so that the aerogel composite layer 2 in the cavity formed by the glass 1 and the spacer 3 can be vacuumized and/or filled with inert gas; the space part 3 and the two pieces of glass 1 can be bonded and sealed through the sealant 4; the sectional view of the safe and energy-saving automobile glass manufactured by the process is shown in FIG. 6.
In addition, the aerogel composite layer 3 of the present invention can be formed by combining one or more aerogels 22 and an organic film 21 according to a certain shape, and can be in a shape of "go back" when the aerogel composite layer 2 only contains one aerogel 22, as shown in fig. 3, and can be in a shape of "field" when the aerogel composite layer 2 contains a plurality of aerogels 22, as shown in fig. 4, or in any pattern; wherein, aerogel provides heat preservation thermal-insulated, performance such as giving sound insulation, and organic film bonds aerogel and glass together.
In this embodiment, before placing the aerogel 22 in the laminating step, a layer of organic film 21 may be laid on the surface of the glass 1; before another glass sheet 1 is placed in the sheet combination step, another layer of organic film 21 can be laid on one or more aerogels 22 and organic films 21. Therefore, the organic film 21 can be placed between the aerogel composite layer 2 and the two pieces of glass 1, and the safety performance of the automobile glass is further improved.
Therefore, the manufacturing process is simple, practical and suitable for industrial production.
In this embodiment, before the step of laminating, the method further comprises the steps of cleaning the glass 1 and pretreating the surface of the glass 1.
Further, the glass surface pretreatment may be to treat the inner surface of the glass with a solution containing a silane coupling agent such as KH 550. Thus, the transparency of the glass and the bonding strength of the glass to organic layers and functional films, such as low-emissivity films, can be improved by washing and surface-pretreating the glass.
In this embodiment, before the step of laminating, a step of attaching a film may be further included; the film pasting step is to paste one or more of a light homogenizing film, an ultraviolet absorption film, an anti-glare film and a low-radiation film on the surface of the glass 1. Thus, the light homogenizing film is pasted, the emergent angle of the light can be disturbed, the light source is softened, and the light is homogenized; the ultraviolet absorption film is pasted, so that the quantity of ultraviolet rays emitted into the automobile can be obviously reduced, and the harm of sunlight to human eyes is reduced; the anti-glare film is adhered, so that direct light can be prevented from entering the interior of the automobile, and the stimulation of incident light to human eyes is reduced; the low-radiation film can reduce the sunlight, particularly infrared rays from entering the automobile glass, and further improves the heat-insulating property of the safe energy-saving automobile glass.
In this embodiment, a heating wire may be further disposed between the aerogel composite layer 2 and the glass 1. Therefore, the automobile glass melting device can quickly eliminate fog on the automobile glass and quickly melt ice and snow on the automobile glass by electrifying and heating the metal wire.
In the embodiment, the temperature in the hot-press molding step is 50-450 ℃, and the pressure is 0.1-20 MPa; the hot press forming process can comprise vacuum pumping treatment; the thermoforming process may also be performed in a vacuum environment. Thus, under certain temperature and pressure conditions, the organic film such as PVB film and the like is softened or liquefied, has deformability or fluidity, and bonds the glass 1 and the aerogel 22 together; and vacuumizing can be performed at the moment, bubbles in the organic film are further removed, and the safe and energy-saving automobile glass is obtained after cooling.
In this embodiment, after the step of hot press forming, a step of sealing is further included; the sealing step is that the periphery of the safe and energy-saving automobile glass obtained after hot press molding is sealed by a sealant 4; the sealant 4 is one or more of silicone adhesive, polysulfide rubber, butyl rubber, water, sodium silicate and potassium silicate hydrate. Therefore, the sealing performance of the safe and energy-saving automobile glass is further improved, and the service life of the safe and energy-saving automobile glass is prolonged.
In this embodiment, the step of hot press forming may further include a step of vacuum pumping, specifically, the step of vacuum pumping is performed on the aerogel composite layer 2; the hot press molding step may further include an inert gas filling step, specifically, filling an inert gas into the aerogel composite layer 2. Therefore, the heat preservation and heat insulation performance of the safe and energy-saving automobile glass is further improved.
The safe energy-saving automobile glass has excellent visible light transmission, heat insulation, sound insulation, noise reduction, impact resistance and anti-condensation performance, and is particularly suitable for front windshields, door glasses, skylights and rear windshields of new energy automobiles.
The following is a detailed description of the embodiments.
Example 1
The safe and energy-saving automobile glass is prepared by the following steps:
(1) selecting cesium-potassium glass, a PVB (polyvinyl butyral) film and aerogel with the thicknesses of 3mm, 4mm and 4mm respectively, and adhering a Low-e film to one side of the cesium-potassium glass;
(2) placing aerogel and PVB films on the cesium potassium glass obtained in the step (1) according to a 'hui' shape;
(3) placing another piece of the cesium-potassium glass, and keeping the temperature and the pressure at 135 ℃ under the vacuum condition for 5MPa for 30min to obtain the safe and energy-saving automobile glass, wherein the structure diagram is shown in figure 2. Table 1 shows the performance indexes of the safety energy-saving automobile glass of example 1.
TABLE 1 Performance index of safety energy-saving automotive glass of example 1
Example 2
The safe and energy-saving automobile glass is prepared by the following steps:
(1) selecting tempered super-white glass with the thickness of 4mm, 4mm and 4mm, a PVB film and aerogel, and sticking a Low-e film on one side of the tempered super-white glass;
(2) placing aerogel and PVB films on the cesium potassium glass obtained in the step (1) according to a shape like a Chinese character 'tian';
(3) placing another piece of the tempered ultra-white glass, and placing a bridge-cut-off aluminum spacing frame with the thickness of 4mm on the periphery of the aerogel composite layer; under the vacuum condition, the temperature is 140 ℃, the applied pressure is 3MPa, and the time for keeping the temperature and the pressure is 20min, so that the safe and energy-saving automobile glass is obtained, wherein the plan view of the aerogel composite layer is shown in figure 4, and the cross-sectional view is shown in figure 6. Table 2 shows the performance indexes of the safety energy-saving type automobile glass of example 2.
TABLE 2 Performance indices of the safety energy saving automotive glass of example 2
Example 3
The safe and energy-saving automobile glass is prepared by the following steps:
(1) selecting toughened glass, EVA (ethylene vinyl acetate) films and aerogel with the thicknesses of 3mm, 4mm and 4mm respectively, and sticking a Low-e film on one side of the toughened glass;
(2) placing aerogel and an EVA film on the toughened glass in the step (1) according to a shape of the Chinese character hui;
(3) placing another piece of the toughened glass, and keeping the temperature and the pressure at 105 ℃ under vacuum conditions and 4.5MPa for 30min to obtain the safe and energy-saving automobile glass, wherein the structural diagram is shown in figure 2. Table 3 shows the performance indexes of the safe and energy-saving automobile glass of example 3.
TABLE 3 Performance index of safety energy saving type automobile glass of example 3
Example 4
The safe and energy-saving automobile glass is prepared by the following steps:
(1) selecting tempered super-white glass, polyurethane film and aerogel with the thicknesses of 3mm, 4mm and 4mm respectively, and sticking an ultraviolet absorption film on one side of the tempered super-white glass;
(2) placing aerogel and polyurethane rubber sheets on the toughened ultra-white glass in the step (1) according to a ' Chinese character ' hui ' shape;
(3) placing another piece of the tempered ultra-white glass, and keeping the temperature and the pressure for 30min at 50 ℃ and 20MPa under vacuum to obtain the safe and energy-saving automobile glass, wherein the structural diagram is shown in figure 2. Table 4 shows the performance indexes of the safe and energy-saving automobile glass of example 4.
TABLE 4 Performance index of safety energy saving type automobile glass of example 4
Example 5
The safe and energy-saving automobile glass is prepared by the following steps:
(1) selecting cesium potassium glass, acrylic acid films and aerogel with the thicknesses of 3mm, 4mm and 4mm respectively, and sequentially adhering a Low-e film and an ultraviolet absorption film on one side of the cesium potassium glass;
(2) placing aerogel and acrylic acid film on the cesium potassium glass in the step (1) according to a shape of Chinese character hui;
(3) placing another piece of the cesium-potassium glass, and keeping the temperature and the pressure at 450 ℃ and the applied pressure at 0.1MPa for 5min under vacuum conditions to obtain the safe and energy-saving automobile glass, wherein the structure diagram is shown in figure 2. Table 5 shows the performance indexes of the safety energy-saving automobile glass of example 5.
TABLE 5 Performance index of safety energy saving type automobile glass of example 5
Example 6
The safe and energy-saving automobile glass is prepared by the following steps:
(1) selecting cesium-potassium glass, a PVB (polyvinyl butyral) film and aerogel with the thicknesses of 3mm, 4mm and 4mm respectively, and adhering a Low-e film to one side of the cesium-potassium glass;
(2) firstly, a PVB film with the thickness of 1mm is placed on cesium potassium glass;
(3) placing 4mm thick aerogel and 4mm thick PVB films on the PVB films in the step (2) according to a 'return' shape;
(4) placing a PVB film with the thickness of 1mm on the square-shaped assembly in the step (3);
(5) and (3) placing another piece of the cesium-potassium glass on the PVB film obtained in the step (4), and keeping the temperature and the pressure at 135 ℃ under the vacuum condition for 5MPa for 30min to obtain the safe and energy-saving automobile glass, wherein the structure diagram is shown in FIG. 7. Table 6 shows the performance indexes of the safe and energy-saving automobile glass of example 6.
TABLE 6 Performance index of safety energy saving type automobile glass of example 6
| Thickness of the filling body (mm) | Coefficient of heat transfer (W/m)2·K） | Visible light transmittance (%) |
| 12 | 0.52 | 92 |
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (3)
1. The safe and energy-saving automobile glass is characterized by sequentially consisting of glass, an aerogel composite layer and glass, wherein the aerogel composite layer consists of a plurality of aerogels and organic films on the peripheral side surfaces of the aerogels, and the aerogels are horizontally bonded through the organic films on the peripheral side surfaces;
the organic film on the peripheral side of the aerogel is also bonded with the glass;
an organic film is arranged between the aerogel composite layer and the glass;
the glass is one of toughened glass, regional toughened glass, semi-toughened glass, ultra-white glass, float glass, coated glass and film-coated glass; the glass is curved glass;
the aerogel is a curved surface block-shaped aerogel;
the organic film is one or more of polyvinyl butyral, ethylene-vinyl acetate copolymer, acrylate, polyurethane, polystyrene and polyethylene;
the preparation method of the safe and energy-saving automobile glass comprises the following steps:
(1) a film sticking step of sticking one or more of a light-homogenizing film, an ultraviolet absorption film, an anti-glare film and a low-radiation film on the surface of the glass;
(2) combining, namely paving a layer of organic film on the surface of the glass, horizontally placing a plurality of aerogels on one piece of glass, then placing the organic film around the aerogels, paving a layer of organic film on the aerogels and the organic film, and then placing the other piece of glass on one or more aerogels and the organic film to obtain a combined body;
(3) hot press molding, namely, carrying out hot press molding on the combined body at a certain temperature and pressure; the temperature of the hot-press molding is 105-450 ℃, and the pressure is 4.5-20 MPa; the hot press molding process comprises vacuumizing treatment; the hot press molding process is carried out in a vacuum environment;
(4) sealing, namely sealing the periphery of the safe and energy-saving automobile glass obtained after the hot-press molding step by using a sealant, wherein the sealant is one or more of silicone adhesive, polysulfide rubber, butyl rubber, water, sodium silicate and potassium silicate hydrate;
(5) and a vacuumizing step, specifically, vacuumizing the aerogel composite layer.
2. The safety energy-saving automobile glass according to claim 1, wherein a heating wire is placed between the aerogel composite layer and the glass.
3. The safety energy-saving automobile glass according to claim 2, further comprising an inert gas filling step after the hot pressing process step, specifically, filling inert gas into the aerogel composite layer.
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| CN201710162209.1A CN108621504B (en) | 2017-03-17 | 2017-03-17 | Safe energy-saving automobile glass and manufacturing method thereof |
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| CN108621504B true CN108621504B (en) | 2020-12-22 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112724451A (en) * | 2021-03-18 | 2021-04-30 | 先端微纳(北京)科技有限公司 | Aerogel heat insulation film prepared by mortise and tenon assembly technology and method thereof |
| CN114750482A (en) * | 2022-04-21 | 2022-07-15 | 浙江极氪智能科技有限公司 | Aerogel glass |
| WO2024043758A1 (en) * | 2022-08-26 | 2024-02-29 | 팅크웨어(주) | Film for vehicle and method for manufacturing same |
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| GB2241468A (en) * | 1990-03-01 | 1991-09-04 | Glaverbel | Composite glazing panel |
| CN102839893A (en) * | 2012-08-28 | 2012-12-26 | 青岛科瑞新型环保材料有限公司 | Transparent-aerogel vacuum glass and manufacturing method thereof |
| CN103395250A (en) * | 2013-07-15 | 2013-11-20 | 天津广源新材料科技有限公司 | Transparent composite board and preparation method thereof |
| CN103407348A (en) * | 2013-08-22 | 2013-11-27 | 昆山振天智能化设备有限公司 | Automobile windscreen |
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|---|---|---|---|---|
| GB2241468A (en) * | 1990-03-01 | 1991-09-04 | Glaverbel | Composite glazing panel |
| CN102839893A (en) * | 2012-08-28 | 2012-12-26 | 青岛科瑞新型环保材料有限公司 | Transparent-aerogel vacuum glass and manufacturing method thereof |
| CN103395250A (en) * | 2013-07-15 | 2013-11-20 | 天津广源新材料科技有限公司 | Transparent composite board and preparation method thereof |
| CN103407348A (en) * | 2013-08-22 | 2013-11-27 | 昆山振天智能化设备有限公司 | Automobile windscreen |
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