CN114763021A - High-strength automobile canopy glass with multilayer structure - Google Patents

High-strength automobile canopy glass with multilayer structure Download PDF

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Publication number
CN114763021A
CN114763021A CN202110043998.3A CN202110043998A CN114763021A CN 114763021 A CN114763021 A CN 114763021A CN 202110043998 A CN202110043998 A CN 202110043998A CN 114763021 A CN114763021 A CN 114763021A
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CN
China
Prior art keywords
glass
transparent
layer
strength
canopy
Prior art date
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Pending
Application number
CN202110043998.3A
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Chinese (zh)
Inventor
李民
王磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai HIUV Applied Materials Technology Co Ltd
Shanghai HIUV New Materials Co Ltd
Original Assignee
Shanghai HIUV Applied Materials Technology Co Ltd
Shanghai HIUV New Materials Co Ltd
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Filing date
Publication date
Application filed by Shanghai HIUV Applied Materials Technology Co Ltd, Shanghai HIUV New Materials Co Ltd filed Critical Shanghai HIUV Applied Materials Technology Co Ltd
Priority to CN202110043998.3A priority Critical patent/CN114763021A/en
Publication of CN114763021A publication Critical patent/CN114763021A/en
Pending legal-status Critical Current

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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
    • 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
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • 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
    • 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
    • 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
    • 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
    • B60J7/00—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
    • 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
    • B32B2307/402—Coloured
    • B32B2307/4026—Coloured within the layer by addition of a colorant, e.g. pigments, dyes
    • 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
    • B32B2307/71—Resistive to light or to UV
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Joining Of Glass To Other Materials (AREA)

Abstract

In order to improve the overall strength and safety of the automobile canopy glass, the process difficulty is reduced, and the yield of products is improved. The invention provides high-strength automotive canopy glass with a multilayer structure, which comprises a first transparent plate, a middle layer and a second transparent plate, wherein the middle layer comprises two transparent bonding layers and a transparent reinforcing layer, the middle layer contains one or more of an ultraviolet absorbent, an infrared absorbent and an inorganic filler, and the effects of different light transmittances of the canopy glass are obtained by adjusting the proportion of the ultraviolet absorbent, the infrared absorbent and the inorganic filler. The high-strength automobile canopy glass with the multilayer structure can reduce or eliminate the use of dark gray glass, can effectively reduce the production cost, and has high repetition precision and good product stability.

Description

High-strength automobile canopy glass with multilayer structure
Technical Field
The invention relates to the technical field of automotive glass, in particular to high-strength automotive awning glass with a multilayer structure.
Background
Along with the continuous improvement of the electrification degree of the automobile, the automobile becomes more and more intelligent, and the use requirements of automobile owners under different scenes can be met, so that the automobile gives people a more warm and more humanized feeling. The automobile skylight is also more and more popular, and the automobile skylight is gradually popularized to low-end automobile types from the function which is only provided in the middle-end and high-end automobile types before. And canopy glass: the cost is only half of that of a panoramic skylight, 11 models are carried in 2020, and the permeability is increased from 1% to 25% within 5 years.
At present, the single-interlayer awning glass has a plurality of defects, for example, the awning glass is particularly sunned in summer, and the improvement degree is limited even if a sun-shading curtain is arranged; another problem is that the rigidity of the car body is changed, the car with the awning glass is relatively poor in the rigidity and stability of the car body, the glass can be broken or penetrated when the car meets a falling object, and people in the car can be injured.
In the process of manufacturing the automobile glass, the process is complex, the technical parameters are different, and the process and the technical parameters need to be accumulated by enterprises for a long time. In the production process of the automobile gray glass, due to the limitation of a smelting furnace, the gray glass with special functions and colors needs to be customized by at least 500-1000 tons, the specification of the automobile glass is more than 7 ten thousand square meters, and for the automobile glass, only part of hot-selling automobile types can meet the huge loading capacity.
Disclosure of Invention
The present invention has been made in view of the above problems and disadvantages, and it is a main object of the present invention to provide a high strength sunroof glass for an automobile, which has a multi-layer structure.
The technical scheme of the high-strength automobile canopy glass with the multilayer structure provided by the invention is as follows:
the utility model provides a high strength of multilayer structure is canopy glass for car, multilayer structure's high strength is canopy glass for car includes first transparent plate, intermediate level, second transparent plate, the intermediate level be grey, the intermediate level contain two transparent bonding layers and be located two transparent bonding layers between a transparent enhancement layer, two transparent bonding layers and at least one deck in the transparent enhancement layer be grey.
Preferably, the first transparent board is a single piece of glass, and the second transparent board is a single piece of glass.
Preferably, the single piece of glass is single piece of tempered glass or single piece of float glass.
Preferably, the transparent bonding layer is an ethylene-vinyl acetate layer.
Preferably, the light transmittance of the transparent bonding layer is 25% -92%.
Preferably, the thickness of the transparent bonding layer is 0.1-1.5 mm.
Preferably, the transparent enhancement layer is one or more of polycarbonate, polyethylene terephthalate, 1, 4-cyclohexane dimethyl terephthalate and polybutylene terephthalate.
Preferably, the intermediate layer comprises two transparent bonding layers and a transparent reinforcing layer, at least one layer of the transparent reinforcing layer contains one or more of ultraviolet absorbent, infrared absorbent and inorganic filler, and the gray effect of the awning glass is obtained by adjusting the proportion of the ultraviolet absorbent, the infrared absorbent and the inorganic filler.
Preferably, the thickness of the transparent enhancement layer is 0.05-1.0 mm.
Preferably, the light transmittance of the transparent enhancement layer is 25% -90%.
The high-strength automobile canopy glass with the multilayer structure can reduce or eliminate the use of dark grey glass, can effectively reduce the production cost, and has high repetition precision and good product stability; meanwhile, the intermediate layer is used for replacing the gray glass, so that the performance identical to that of the gray glass can be realized in function, and the whole canopy glass can show different gray colors and functions of isolating infrared and ultraviolet by adjusting the proportion of different additives in the intermediate layer, so that the canopy glass has more flexibility. And because the production process of the intermediate layer is simple, the single-batch capacity can be customized according to the actual requirement, so that the design of the automobile glass is simpler, more convenient and more flexible.
Drawings
Fig. 1 is a schematic structural view of example 1 of a high-strength automotive roof glass having a multilayer structure according to the present invention.
Fig. 2 is a schematic structural view of example 2 of the high-strength automotive backdrop glass of the multilayer structure of the present invention.
Fig. 3 is a schematic structural view of example 3 of the high-strength automotive backdrop glass of the multilayer structure of the present invention.
Fig. 4 is a schematic structural view of example 4 of the high-strength automotive backdrop glass of the multilayer structure of the present invention.
Reference numerals
1 first transparent plate
2 first adhesive layer
3 transparent enhancement layer
4 second adhesive layer
5 second transparent plate
Detailed Description
In order to clearly understand the technical contents of the present invention, the following examples are given in detail.
Example 1
As shown in fig. 1, the thicknesses of the first transparent plate 1 and the second transparent plate 5 are respectively 0.21mm and 0.18mm, and are both curved glass, the first transparent plate is single-piece toughened glass, the second transparent plate is single-piece float glass, in the middle layer, the thickness of the transparent bonding layer 2 is 0.41mm, the color is transparent dark gray, carbon black is filled, and the light transmittance is 50%; the thickness of the transparent enhancement layer 3 is 0.05mm, the color is transparent, the light transmittance is 90%, and the material is polycarbonate; the transparent adhesive layer 4 has a thickness of 0.3mm, a color of transparent light gray, and is filled with an infrared absorbent with a light transmittance of 75%. Because the middle layer has bendability, the middle layer does not need to be bent and formed before the vacuum ring is heated and vacuumized, the position precision of the glass lamination is improved, and the process difficulty is reduced. And finally, heating, laminating and fixing the first transparent plate 1 and the second transparent plate 5 in the curved surface form and the middle layer in the plane form together through a vacuum ring process. The high-strength automobile awning glass with the multilayer structure is prepared by the method, the overall light transmittance of the awning glass is 45%, the overall strength can pass a ball drop test of 5.12 in American national standard ANSI Z26.1, 12 samples do not penetrate through the awning glass, and the vacuum ring and autoclave process is a production process commonly used in the production process of automobile laminated glass.
Example 2
As shown in fig. 2, the thicknesses of the first transparent plate 1 and the second transparent plate 5 are 0.21mm and 0.18mm, respectively, and are both curved glass, the first transparent plate is single float glass, the second transparent plate is single float glass, in the intermediate layer, the thickness of the transparent adhesive layer 2 is 1.5mm, the color is transparent dark gray, indium tin oxide is filled, and the light transmittance is 25%; the thickness of the transparent enhancement layer 3 is 0.3mm, the color is transparent, the light transmittance is 90%, and the material is the mixture of polycarbonate and polyethylene terephthalate; the transparent adhesive layer 4 has a thickness of 0.1mm, is transparent in color, is filled with an ultraviolet absorber, and has a light transmittance of 92%. Because the middle layer has bendability, the middle layer does not need to be bent and formed before the vacuum ring is heated and vacuumized, the position precision of the glass lamination is improved, and the process difficulty is reduced. And finally, heating, laminating and fixing the first transparent plate 1 and the second transparent plate 5 in the curved surface form and the middle layer in the plane form together through a vacuum ring process, and then placing the plates into a high-pressure kettle for high-pressure lamination and exhaust. The multilayer-structure high-strength automobile canopy glass is prepared by the method, the overall light transmittance of the canopy glass is 23%, the overall strength can pass the ball drop test of 5.12 in American national standard ANSI Z26.1, 12 samples do not penetrate through the canopy glass, and the vacuum ring and autoclave process are common production processes in the production process of automobile laminated glass.
Example 3
As shown in fig. 3, the thicknesses of the first transparent plate 1 and the second transparent plate 5 are 0.21mm and 0.18mm respectively, and are both curved glass, the first transparent plate is single float glass, the second transparent plate is single toughened glass, the thickness of the transparent bonding layer 2 in the middle layer is 0.26mm, the color is transparent, and the light transmittance is 90%; the thickness of the transparent enhancement layer 3 is 1.0mm, the color is transparent dark gray, the transparent enhancement layer is filled with carbon black, the light transmittance is 25%, and the material is poly terephthalic acid 1, 4-cyclohexane dimethyl ester; the transparent adhesive layer 4 has a thickness of 0.26mm, is transparent in color, and has a light transmittance of 90%. Because the intermediate layer has the flexibility, the intermediate layer does not need to be bent and formed before the vacuum ring is heated and vacuumized, the position precision of the glass lamination is improved, and the process difficulty is reduced. And finally, heating, laminating and fixing the first transparent plate 1 and the second transparent plate 5 in a curved shape and the middle layer in a planar shape together through a vacuum ring process. The high-strength automobile awning glass with the multilayer structure is prepared by the method, the overall light transmittance of the awning glass is 23%, the overall strength can pass a ball drop test of 5.12 in American national standard ANSI Z26.1, 12 samples do not penetrate through the awning glass, and the vacuum ring and autoclave process is a production process commonly used in the production process of automobile laminated glass.
Example 4
As shown in fig. 4, the thicknesses of the first transparent plate 1 and the second transparent plate 5 are respectively 0.21mm and 0.18mm, and are both curved glass, the first transparent plate is single-piece toughened glass, the second transparent plate is single-piece toughened glass, in the middle layer, the thickness of the transparent bonding layer 2 is 0.25mm, the color is transparent light gray, the transparent bonding layer is filled with carbon black, and the light transmittance is 80%; the thickness of the transparent enhancement layer 3 is 0.25mm, the color is transparent light gray, the transparent enhancement layer is filled with indium tin oxide, the light transmittance is 70%, and the material is polybutylene terephthalate; the transparent adhesive layer 4 has a thickness of 0.25mm, is transparent and light gray in color, is filled with silica, and has a light transmittance of 60%. Because the middle layer has bendability, the middle layer does not need to be bent and formed before the vacuum ring is heated and vacuumized, the position precision of the glass lamination is improved, and the process difficulty is reduced. And finally, heating, laminating and fixing the first transparent plate 1 and the second transparent plate 5 in the curved surface form and the middle layer in the plane form together through a vacuum ring process. The multilayer-structure high-strength automobile canopy glass is prepared by the method, the overall light transmittance of the canopy glass is 53 percent, the overall strength can pass the ball drop test of 5.12 in American national standard ANSI Z26.1, 12 samples do not penetrate through the canopy glass, and the vacuum ring and autoclave process are common production processes in the production process of automobile laminated glass.
The high-strength automobile canopy glass with the multilayer structure can reduce or eliminate the use of dark grey glass, can effectively reduce the production cost, and has high repetition precision and good product stability; meanwhile, the intermediate layer is used for replacing the gray glass, so that the performance identical to that of the gray glass can be realized in function, and the whole canopy glass can have different gray and infrared and ultraviolet isolating functions by adjusting the proportion of different additives in the intermediate layer, so that the canopy glass has more flexibility. And because the production process of the intermediate layer is simple, the single-batch capacity can be customized according to the actual requirement, so that the design of the automobile glass is simpler, more convenient and more flexible.
In this specification, the invention has been described with reference to specific embodiments thereof. It will, however, be evident that various modifications and changes may be made thereto without departing from the broader spirit and scope of the invention. The specification and drawings are, accordingly, to be regarded in an illustrative rather than a restrictive sense.

Claims (10)

1. The utility model provides a multilayer structure's high strength is canopy glass for car which characterized in that, multilayer structure's high strength is canopy glass for car include first transparent plate, intermediate level, second transparent plate, the intermediate level be grey, the intermediate level contain two transparent bonding layers and be located two transparent bonding layers between a transparent enhancement layer, two transparent bonding layers and at least one deck in the transparent enhancement layer be grey.
2. The multi-layer structured high-strength automotive backdrop glass according to claim 1, wherein said first transparent plate is a single glass sheet and said second transparent plate is a single glass sheet.
3. The high-strength backdrop glass for automobiles with a multi-layer structure as claimed in claim 2, wherein the single glass is a single tempered glass or a single float glass.
4. The high-strength automotive roof glass of a multi-layer structure as claimed in claim 1, wherein the transparent adhesive layer is an ethylene vinyl acetate layer.
5. The multi-layer structured high-strength automotive backdrop glass according to claim 1, wherein the transparent adhesive layer has a light transmittance of 25 to 92%.
6. The high-strength automotive backdrop glass with a multi-layer structure as claimed in claim 1, wherein the thickness of the transparent adhesive layer is 0.1-1.5 mm.
7. The multilayer-structured high-strength automobile awning glass as claimed in claim 1, wherein said transparent reinforcing layer is one or more of polycarbonate, polyethylene terephthalate, 1, 4-cyclohexanedimethanol terephthalate and polybutylene terephthalate.
8. The high-strength automotive canopy glass having a multi-layer structure according to claim 1, wherein at least one of the two transparent adhesive layers and the transparent reinforcing layer comprises one or more of an ultraviolet absorber, an infrared absorber and an inorganic filler, and the gray color of the canopy glass is obtained by adjusting the ratio of the ultraviolet absorber, the infrared absorber and the inorganic filler.
9. The high-strength automotive backdrop glass with a multi-layer structure as claimed in claim 1, wherein the transparent reinforcing layer has a thickness of 0.05 to 1.0 mm.
10. The high-strength automotive backdrop glass of claim 1, wherein the light transmittance of the transparent reinforcing layer is 25 to 90%.
CN202110043998.3A 2021-01-13 2021-01-13 High-strength automobile canopy glass with multilayer structure Pending CN114763021A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110043998.3A CN114763021A (en) 2021-01-13 2021-01-13 High-strength automobile canopy glass with multilayer structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110043998.3A CN114763021A (en) 2021-01-13 2021-01-13 High-strength automobile canopy glass with multilayer structure

Publications (1)

Publication Number Publication Date
CN114763021A true CN114763021A (en) 2022-07-19

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101700707A (en) * 2009-11-05 2010-05-05 广州市奥吉斯新材料有限公司 Heat and sound insulation explosion preventing film and production method and application thereof
CN101896339A (en) * 2007-10-25 2010-11-24 大科能树脂有限公司 Infrared reflective laminate
CN101903185A (en) * 2007-12-20 2010-12-01 法国圣戈班玻璃厂 Decorative glass board
WO2012157617A1 (en) * 2011-05-16 2012-11-22 旭硝子株式会社 Multiplie glass and vehicle roof member
CN110605891A (en) * 2019-08-30 2019-12-24 苏州量子新材料科技有限公司 PVB film of privacy laminated glass
CN110682641A (en) * 2019-08-30 2020-01-14 苏州量子新材料科技有限公司 Privacy heat absorption sound insulation PVB film for manufacturing laminated glass
CN112080215A (en) * 2019-06-14 2020-12-15 上海海优威新材料股份有限公司 Composite adhesive film for laminated glass

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101896339A (en) * 2007-10-25 2010-11-24 大科能树脂有限公司 Infrared reflective laminate
CN101903185A (en) * 2007-12-20 2010-12-01 法国圣戈班玻璃厂 Decorative glass board
CN101700707A (en) * 2009-11-05 2010-05-05 广州市奥吉斯新材料有限公司 Heat and sound insulation explosion preventing film and production method and application thereof
WO2012157617A1 (en) * 2011-05-16 2012-11-22 旭硝子株式会社 Multiplie glass and vehicle roof member
CN112080215A (en) * 2019-06-14 2020-12-15 上海海优威新材料股份有限公司 Composite adhesive film for laminated glass
CN110605891A (en) * 2019-08-30 2019-12-24 苏州量子新材料科技有限公司 PVB film of privacy laminated glass
CN110682641A (en) * 2019-08-30 2020-01-14 苏州量子新材料科技有限公司 Privacy heat absorption sound insulation PVB film for manufacturing laminated glass

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Application publication date: 20220719