CN116852818B - Light laminated glass for automobiles and preparation method thereof - Google Patents
Light laminated glass for automobiles and preparation method thereofInfo
- Publication number
- CN116852818B CN116852818B CN202310785373.3A CN202310785373A CN116852818B CN 116852818 B CN116852818 B CN 116852818B CN 202310785373 A CN202310785373 A CN 202310785373A CN 116852818 B CN116852818 B CN 116852818B
- Authority
- CN
- China
- Prior art keywords
- glass
- layer
- thin flat
- film
- coating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
Classifications
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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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/28—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
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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
- 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
- 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
- B32B37/1018—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 using only 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- 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
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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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
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
-
- 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
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
-
- 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
- C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
-
- 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
- B32B2307/70—Other properties
- B32B2307/718—Weight, e.g. weight per square meter
-
- 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
- B32B2605/00—Vehicles
- B32B2605/08—Cars
-
- 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
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
-
- 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
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
- C03C2217/73—Anti-reflective coatings with specific characteristics
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
The invention discloses a light laminated glass for an automobile and a preparation method thereof, comprises a thermally bent thick glass layer, a film layer, a thin flat glass layer and a coating layer which are sequentially arranged from inside to outside. The light laminated glass for the automobile is composed of a thermally bent thick glass layer, a film layer, a thin flat glass layer and a coating layer which are sequentially arranged from inside to outside. The existing hot-bent glass has a certain curvature, so that the film thickness and uniformity are difficult to control in the process of deep processing such as film coating, and the thin flat glass is easier to carry out the deep processing such as film coating, so that the technical difficulty in production is reduced, and the cost is reduced. Meanwhile, the light laminated glass for the automobile replaces the traditional two thick hot-bent glass manufacturing modes by the hot-bent thick glass layer and the thin flat glass layer, the effect of light weight can be achieved, the curvature of the light laminated glass is not required to be completely consistent, and the risk of glass breakage is reduced.
Description
Technical Field
The invention relates to the technical field of automobile glass, in particular to light laminated glass for an automobile and a preparation method thereof.
Background
The existing automobile laminated glass is characterized in that after the glass which is well heated and bent is cleaned, PVB films are paved on two pieces of glass for vacuum pre-pumping, and then the glass is put into an autoclave for laminating, wherein in the process, the two pieces of heated and bent glass are needed to be used, so that the quality of the finished laminated glass is high, the weight of a vehicle is increased, secondly, the heated and bent glass is treated in a film coating mode, and the like, because the heated and bent glass has a certain curvature, the technical difficulty is increased, the technical cost is increased, and in the thermoplastic process, if the curvatures of the traditional two pieces of heated and bent glass are different, the glass is easy to crack.
Disclosure of Invention
The invention aims to solve the problems that the existing automobile glass in the prior art is heavy in texture, high in coating cost, difficult in technology and easy to crack in hot bending, and provides light laminated glass for an automobile and a preparation method thereof.
The technical scheme is that the light laminated glass for the automobile comprises a thermally bent thick glass layer, a film layer, a thin flat glass layer and a coating layer which are sequentially arranged from inside to outside.
The glass layer is physically toughened glass with the thickness of 2-5mm after hot bending.
The thickness of the thin flat glass layer is 0.3-1.3mm.
The thin flat glass layer is chemically tempered thin flat glass with the size corresponding to the thermal bent thick glass.
The coating process of the coating layer is carried out after the chemical tempering of the thin flat glass layer
The coating layer is a single-layer coating or a double-layer coating or a combination of multiple functional films.
The preparation method of the light laminated glass for the automobile comprises the following steps of:
s1, increasing the strength of thin flat glass in a chemical toughening mode, and then coating a film on the upper surface;
s2, heating bent thick glass, films and processed thin flat glass;
s3, placing the hot bent thick glass, the film and the thin flat glass with the film coating in sequence from inside to outside to obtain an assembly;
s4, placing the assembly between two silica gel plates, and sealing gaps around the two silica gel plates through sealing rubber strips;
S5, vacuumizing the sealed silica gel plates for a period of time, and then putting the two silica gel plates coated with the assembly into an oven for heating and continuously vacuumizing;
and S6, cooling the two silica gel plates coated with the assembly to normal temperature, closing the vacuum pump, opening the two silica gel plates, and taking out to obtain the light laminated glass for the automobile.
The light laminated glass for the automobile has the advantages that (1) the light laminated glass for the automobile is composed of the hot-bent thick glass layer, the film layer, the thin flat glass layer and the film coating layer which are sequentially arranged from inside to outside, the existing upper hot-bent glass has a certain curvature, the film thickness and uniformity are difficult to control in the film coating and other deep processing processes, the thin flat glass is easier to carry out film coating and other deep processing, the technical difficulty in production is reduced, and the cost is reduced.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of a conventional automotive glass.
The reference numerals in the drawings are:
A hot-bending thick glass layer 1, a film layer 2, a thin flat glass layer 3, a film coating layer 4, a hot-bending thick glass 21, a film layer 22 and a hot-bending thick glass 23.
Detailed Description
Example 1
Referring to fig. 1 and 2, the light laminated glass for an automobile of the present embodiment includes a thermally curved thick glass layer 1, a film layer 2, a thin flat glass layer 3 and a coating layer 4, which are sequentially disposed from inside to outside.
Further, the glass layer after hot bending is physically toughened glass, and the thickness is 2-5mm, preferably 3mm.
Further, the thickness of the thin flat glass layer 3 is 0.3 to 1.3mm, preferably 0.7mm.
Preferably, the thin flat glass layer 3 is a chemically tempered medium-aluminum glass with a size corresponding to that of the thermally bent thick glass.
Further, the coating process of the coating layer 4 is performed after the thin flat glass layer 3 is chemically tempered.
Furthermore, the coating layer 4 is a double-layer coating or a combination of multiple functional films, and is a combined film of an anti-infrared film and an anti-reflection film, so that the temperature in the vehicle can be reduced and the light transmittance of the awning can be improved.
The preparation method of the light laminated glass for the automobile comprises the following steps:
S1, the strength of the thin flat glass is increased by adopting a chemical tempering mode, and then the infrared reduction and reflection reduction coating is carried out on the upper surface.
S2, heating bent thick glass, films and processed thin flat glass;
s3, placing the hot bent thick glass, the film and the thin flat glass with the film coating in sequence from inside to outside to obtain an assembly;
s4, placing the assembly between two silica gel plates, sealing gaps around the two silica gel plates through sealing rubber strips, and forming a certain shallow pattern on the contact surface of the two silica gel plates and the assembly;
S5, vacuumizing the sealed silica gel plates for a period of time, and then putting the two silica gel plates coated with the assembly into an oven, heating at 150 ℃ for 30min and continuously vacuumizing;
and S6, cooling the two silica gel plates coated with the assembly to normal temperature, closing the vacuum pump, opening the two silica gel plates, and taking out to obtain the light laminated glass for the automobile.
The light laminated glass for the automobile of the embodiment is composed of the hot-bending thick glass layer 1, the film layer 2, the thin flat glass layer 3 and the film coating layer 4 which are sequentially arranged from inside to outside, so that the whole quality can be effectively reduced, film coating is easy to carry out, meanwhile, the curvature consistency of the hot-bending thick glass layer 1 and the thin flat glass layer 3 is not required, the production difficulty is greatly reduced, and the production cost is reduced.
Comparative example 1
As shown in the figure 2, the conventional laminated automotive glass of comparative example 1 of the present patent comprises a hot bent thick glass 21, a film layer 22 and a hot bent thick glass 22 from bottom to top. Specifically, the thickness of the heat bent glass 21 is 3mm, and the thickness of the heat bent glass 22 is 2mm. Comparative example 1 was prepared using a conventional automotive laminated glass production process.
Table 1 comparison of performance of the embodiments
As shown in table 1, the light laminated glass for automobile in example 1 of this patent has lighter weight and the related mechanical properties are tested.
While the foregoing is directed to embodiments of the present invention, other and further details of the invention may be had by the present invention, it should be understood that the foregoing description is merely illustrative of the present invention and that no limitations are intended to the scope of the invention, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the invention.
Claims (6)
1. The preparation method of the light laminated glass for the automobile is characterized by comprising a hot bent thick glass layer (1), a film layer (2), a thin flat glass layer (3) and a coating layer (4) which are sequentially arranged from inside to outside, and comprises the following steps:
S1, taking thin flat glass, increasing the strength of the thin flat glass in a chemical toughening mode, and then coating a film on the outer surface of the thin flat glass;
s2, heating bent thick glass, films and processed thin flat glass;
s3, placing the hot bent thick glass, the film and the thin flat glass with the film coating in sequence from inside to outside to obtain an assembly;
s4, placing the assembly between two silica gel plates, and sealing gaps around the two silica gel plates through sealing rubber strips;
S5, vacuumizing the sealed silica gel plate for a period of time, and then placing the two silica gel plates coated with the assembly into an oven for heating and continuously vacuumizing;
and S6, cooling the two silica gel plates coated with the assembly to normal temperature, closing the vacuum pump, opening the two silica gel plates, and taking out to obtain the light laminated glass for the automobile.
2. The light laminated glass for automobiles according to claim 1, wherein the thermally bent thick glass layer is physically toughened glass and has a thickness of 2-5mm.
3. A light laminated glass for automobiles according to claim 1, wherein the thickness of the thin flat glass layer (3) is 0.3-1.3mm.
4. A light laminated glass for automobiles according to claim 1, wherein the thin flat glass layer (3) is a thin flat glass which is chemically tempered and corresponds to the size of a thermally bent thick glass.
5. The light laminated glass for automobiles according to claim 4, wherein the coating process of the coating layer (4) is performed after the thin flat glass layer (3) is chemically tempered.
6. The light laminated glass for automobiles according to claim 1, wherein the coating layer (4) is a single-layer coating film or a double-layer coating film or a combination of a plurality of functional films.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310785373.3A CN116852818B (en) | 2023-06-29 | 2023-06-29 | Light laminated glass for automobiles and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310785373.3A CN116852818B (en) | 2023-06-29 | 2023-06-29 | Light laminated glass for automobiles and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116852818A CN116852818A (en) | 2023-10-10 |
| CN116852818B true CN116852818B (en) | 2026-01-23 |
Family
ID=88226116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310785373.3A Active CN116852818B (en) | 2023-06-29 | 2023-06-29 | Light laminated glass for automobiles and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116852818B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112225473A (en) * | 2020-10-16 | 2021-01-15 | 福旸技术开发有限公司 | Method for manufacturing curved vacuum glass |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275334A (en) * | 2014-06-25 | 2016-01-27 | 南京晶多新材料科技有限公司 | Structure and application of strain light modulation window |
| EP3569580A4 (en) * | 2017-01-12 | 2020-11-04 | Central Glass Company, Limited | Automotive laminated glass, and production method therefor |
| CN115352149B (en) * | 2022-08-11 | 2023-06-30 | 福耀玻璃工业集团股份有限公司 | Curved surface laminated glass and manufacturing method and application thereof |
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2023
- 2023-06-29 CN CN202310785373.3A patent/CN116852818B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112225473A (en) * | 2020-10-16 | 2021-01-15 | 福旸技术开发有限公司 | Method for manufacturing curved vacuum glass |
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| Publication number | Publication date |
|---|---|
| CN116852818A (en) | 2023-10-10 |
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