CN114536890B - Composite multifunctional glass and vehicle glass - Google Patents

Composite multifunctional glass and vehicle glass Download PDF

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Publication number
CN114536890B
CN114536890B CN202210227883.4A CN202210227883A CN114536890B CN 114536890 B CN114536890 B CN 114536890B CN 202210227883 A CN202210227883 A CN 202210227883A CN 114536890 B CN114536890 B CN 114536890B
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China
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adhesive film
glass
layer
film layer
composite multifunctional
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CN114536890A (en
Inventor
林寿
林生野
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Fuyao Glass Industry Group Co Ltd
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Fuyao Glass Industry Group Co Ltd
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Priority to CN202210227883.4A priority Critical patent/CN114536890B/en
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Priority to PCT/CN2023/080255 priority patent/WO2023169457A1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06Layered 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
    • B32B17/10Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/06Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/06Layered 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
    • B32B27/08Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/30Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/306Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/30Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/02Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered 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
    • B32B7/04Interconnection of layers
    • B32B7/12Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60JWINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J1/00Windows; Windscreens; Accessories therefor
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL 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
    • C03C27/00Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
    • C03C27/06Joining glass to glass by processes other than fusing
    • C03C27/10Joining glass to glass by processes other than fusing with the aid of adhesive specially adapted for that purpose
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00Vehicles

Abstract

The invention provides composite multifunctional glass and vehicle glass. The composite multifunctional glass comprises a first glass plate, a first adhesive film layer, a composite multifunctional combined layer, a third adhesive film layer and a second glass plate which are sequentially laminated; the area S1 of the composite multifunctional combination layer is smaller than the area S2 of the composite multifunctional glass, and the periphery of the composite multifunctional combination layer is provided with a gap; a second adhesive film layer with the thickness of H3 is arranged in the gap and adjacent to the peripheral tangent plane of the composite multifunctional combined layer; when S1/S2 is not more than 0.5 and/or H is less than 0.15mm, H3=0; h3 is more than 0 and less than or equal to H (S1/S2 + 0.2) when S1/S2 is more than 0.5 and less than or equal to 0.98 and H is more than or equal to 0.15 mm. The invention can well solve the common phenomenon of wrinkles or waves between the traditional composite multi-functional layer interlayer and the hyperbolic glass plate, improve the finished product rate of the assembly product and solve the problem of edge cracking of the composite multi-functional layer glass product.

Description

Composite multifunctional glass and vehicle glass
Technical Field
The invention relates to the field of glass manufacturing, in particular to composite multifunctional glass and vehicle glass.
Background
The multifunctional composite glass product is a multifunctional laminated glass product formed by adding a composite multifunctional composite material layer in a glass interlayer.
Most of the existing composite multifunctional composite materials have different thickness values and exist in a flat surface form. When the composite material is laminated with a double-curved-surface glass plate or a plane glass plate, particularly, a flat surface cannot be completely matched with the double-curved surface, the composite multifunctional material after the lamination has wrinkles or wave textures to a certain degree, and even the edge of a glass product has the problem of splintering due to stress difference.
Disclosure of Invention
The invention aims to provide composite multifunctional glass and vehicle glass, and aims to solve the problems of wrinkles or wavy textures generated when a composite multifunctional material with a flat surface is sandwiched with a double-curved surface or a plane glass plate and the problem of cracking generated by the stress difference of the edge of a glass product with an increased composite multifunctional layer.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a composite multifunctional glass, which comprises the following components in sequence:
the multifunctional composite glass comprises a first glass plate, a first adhesive film layer, a composite multifunctional composite layer, a third adhesive film layer and a second glass plate;
the area S1 of the composite multifunctional combination layer is smaller than the area S2 of the composite multifunctional glass, and the peripheries of the composite multifunctional combination layer are all provided with gaps with the same or approximately the same thickness H; a second adhesive film layer with the thickness of H3 is arranged in the gap and adjacent to the peripheral tangent plane of the composite multifunctional combined layer;
h3=0 when S1/S2 is less than or equal to 0.5 and/or H is less than 0.15 mm;
when S1/S2 is more than 0.5 and less than 0.98 and H is more than or equal to 0.15mm, H3 is more than 0 and less than or equal to H (S1/S2 + 0.2).
The composite multifunctional combined layer in the invention refers to one or more than two functional elements or a layer structure containing one or more than two functional elements. Preferably, the composite multifunctional composite layer is an optical functional element, a photovoltaic device, an antenna communication device, a solar power generation device provided with a solar cell (silicon, compound, organic, etc.), and the like, and the optical functional element is selected from one or a combination of two or more of PDLC (polymer dispersed liquid crystal), GHLC (guest-host liquid crystal), EC (electrochromic device), SPD (suspended particle device), LC, LED, heat insulation film, color change film, light guide film, display film, and the like.
In a preferred scheme, when S1/S2 is more than 0.5 and less than 0.98 and H is more than or equal to 0.15mm, the thickness of the second adhesive film layer also satisfies H3 and less than H, at the moment, one side surface of the second adhesive film layer is in contact with the third adhesive film layer, and a gap is formed between the other side surface of the second adhesive film layer and the first adhesive film layer. The height H2 of the gap is equal to the thickness difference between the thickness H of the composite multifunctional combined layer and the thickness H3 of the second adhesive film layer.
In the preferred embodiment, the thickness of the multifunctional combination layer in the multifunctional glass is greater than the thickness of the second adhesive film layer. Composite multifunctional glass product is carrying out hot working, high pressure course of working, and first glued membrane layer can directly extrude the contact surface of compound multifunctional combined layer, and the fold or the raised grain that will compound multifunctional combined layer appearance obtain pacifying. Specifically, the composite multifunctional combined layer is extended towards the periphery during exhaust through the vacuum pumping negative pressure effect in the subsequent production process, and the first adhesive film layer can directly extrude the contact surface of the composite multifunctional combined layer through the negative pressure. The wrinkles or raised grains of the composite multifunctional combined layer are smoothed. And then the flowing characteristics of the first adhesive film layer in the working procedures of hot working, high pressure and the like are combined to fill the gap between the first adhesive film layer and the second adhesive film layer, so that the final qualified product is formed.
In another preferred scheme, when S1/S2 is more than 0.5 and less than 0.98 and H is more than or equal to 0.15mm, the thickness H3= H of the second adhesive film layer, namely the second adhesive film layer and the composite multifunctional combined layer are arranged in a uniform thickness flush mode. The second adhesive film layer is positioned on the periphery of the composite multifunctional combination layer and completely fills the area of the composite multifunctional combination layer, which is smaller than that of the composite multifunctional glass product.
In another preferred scheme, when S1/S2 is more than 0.5 and less than 0.98 and H is more than or equal to 0.15mm, the thickness H3 of the second adhesive film layer also satisfies H3 and more than H, and a cavity is formed between the composite multifunctional combined layer and the first adhesive film layer. The height H2' of the cavity is equal to the thickness difference between the thickness H3 of the second adhesive film layer and the thickness H of the composite multifunctional combination layer.
In the preferable scheme, the cavity is formed, so that after the composite multifunctional layers are laminated in the interlayer, the glass product has an extended space in the process of external vacuum pumping and external pressure, the phenomenon of wrinkles or raised grains is reduced, and the risk of cracking caused by edge stress difference of the composite multifunctional glass product is also reduced.
According to the composite multifunctional glass, the thickness H of the composite multifunctional combined layer is preferably more than or equal to 0.08mm and less than or equal to H and less than or equal to 1.2mm.
According to the composite multifunctional glass, the thickness of the first adhesive film layer is preferably 0.38mm to 0.76mm, and more preferably 0.76mm.
According to the composite multifunctional glass of the present invention, preferably, the thickness of the third adhesive film layer is 0.38mm to 0.76mm, and more preferably 0.38mm.
According to the composite multifunctional glass of the present invention, preferably, the first glass plate and the second glass plate are independently selected from a single glass plate or a laminated glass plate consisting of organic glass or inorganic glass.
According to the composite multifunctional glass, the first glass plate and the second glass plate can be used as two surfaces of the composite multifunctional glass product, and can be plane glass plates or double curvature glass plates. More preferably, the radius of curvature of the double curvature glass plate is not less than 2200mm.
According to the composite multifunctional glass of the present invention, preferably, the first adhesive film layer, the second adhesive film layer and the third adhesive film layer are independently adhesive film layers formed of PVB (polyvinyl butyral), EVA (ethylene vinyl acetate copolymer), PU (polyurethane) and the like.
Another aspect of the present invention provides a vehicle glazing comprising the above composite multifunctional glass, such as a front window, a rear window, a side window, a roof window, and the like.
In the interlayer process of the composite multifunctional glass, the thickness of the second adhesive film layer 3 is determined according to the proportional size relationship between the thickness H and the area S1 of the composite multifunctional layer and the area S2 of the composite multifunctional glass product. The selection of the thickness H3 of the second glue film layer can well solve the following problems:
1) H is less than 0.15mm, and/or S1/S2 is less than or equal to 0.5, H3 is less than H, H3=0, and a gap with the height consistent with H or approximately consistent with H is formed between the first adhesive film layer and the second adhesive film layer. The first glued membrane layer of messenger's in-process in the intermediate layer does not receive the support of limit portion second glued membrane layer, can extrude compound multifunctional material layer simultaneously, is favorable to compound multifunctional material layer better exhibition flat, avoids appearing fold or wave phenomenon on the hyperboloid glass board and appears.
2) When S1/S2 is more than 0.5 and less than 0.98 and H is more than or equal to 0.15mm, the thickness H3 of the second adhesive film layer (3) and H, S1 and S2 satisfy the following relational expression: h3 is more than 0 and less than or equal to H (S1/S2 + 0.2), when H3 is less than H, a gap with the height of H2' is formed between the first adhesive film layer and the second adhesive film layer, the first adhesive film layer performs contact extrusion on the composite multifunctional combined layer in the hot processing process, wrinkles or raised grains which possibly occur in a curved-surface product of the composite multifunctional combined layer are smoothed, and meanwhile, the gap between the first adhesive film layer and the second adhesive film layer can be filled by combining the flowability of the first adhesive film layer and the third adhesive film layer in the hot processing and high-pressure processing processes, so that a final qualified product is formed.
3) S1/S2 is more than 0.5 and less than 0.98, and H is more than or equal to 0.15mm, the thickness H3 of the second adhesive film layer and the thicknesses H, S1 and S2 satisfy the following relational expression: h3 is more than 0 and less than or equal to H (S1/S2 + 0.2), when H3= H, no gap is left between the first adhesive film layer and the second adhesive film layer, when the edge of the composite multifunctional combined layer is close to the edge of the glass product, the edge is influenced by glass stress, and the glass product is acted by external pressure in the processing process.
4) S1/S2 is more than 0.5 and less than 0.98, and H is more than or equal to 0.15mm, the thickness H3 of the second adhesive film layer and the thicknesses H, S1 and S2 satisfy the following relational expression: h3 is more than 0 and less than or equal to H (S1/S2 + 0.2), when H3 is more than H, the composite multi-functional layer and the first adhesive film layer form a cavity with the height of H2', and the cavity can be formed to ensure that the composite multi-functional layer has an extended space on the surface of the hyperbolic glass in the processes of external vacuum pumping and external pressure after the composite multi-functional layer is laminated on the interlayer, so that the phenomenon of wrinkles or waves is reduced, and simultaneously, the cracking caused by the edge stress difference of the glass product is also reduced.
The invention can well solve the common phenomenon of wrinkles or waves between the traditional composite multi-functional layer interlayer and the hyperbolic glass plate, improve the finished product rate of the assembly product and solve the problem of edge cracking of the composite multi-functional layer glass product.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for facilitating the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. Those skilled in the art, having the benefit of the teachings of this invention, may effect this invention by selecting various possible shapes and proportional dimensions as appropriate.
Fig. 1 is a schematic cross-sectional view of the composite multifunctional glass of example 1.
Fig. 2 is a schematic cross-sectional view of the composite multifunctional glass of example 2.
Fig. 3 is a schematic plan view of the composite multifunctional glass of example 2.
Fig. 4 is a schematic cross-sectional view of the composite multifunctional glass in example 3.
Description of the reference numerals:
1. a first glass plate;
2. a first adhesive film layer;
3. a second adhesive film layer;
4. a third adhesive film layer;
5. a second glass plate;
6. compounding multifunctional combined layers;
s1, the area of a composite multifunctional combined layer 6;
s2, area of the composite multifunctional glass;
H. the thickness of the composite multifunctional material layer 6;
h1, the thickness of the first adhesive film layer 2;
h2, the height of the gap between the first glue film layer 2 and the second glue film layer 3;
h2', the height of the cavity between the first adhesive film layer 2 and the composite multifunctional combined layer 6;
h3, the thickness of the second adhesive film layer 3;
h4 and the thickness of the third adhesive film layer 4.
Detailed Description
In order to more clearly illustrate the present invention, the present invention is further described below with reference to preferred embodiments and the accompanying drawings. Similar components in the figures are denoted by the same reference numerals. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.
In addition, some orientation words, such as "upper", "lower", "X direction", etc., mentioned in the embodiments of the present invention, are related to the placement of the composite multifunctional glass, and should not be construed as limiting the scope of the present invention.
Example 1
As shown in fig. 1, a composite multifunctional glass comprises, stacked in sequence from top to bottom: the multifunctional glass plate comprises a first glass plate 1, a first adhesive film layer 2, a composite multifunctional combined layer 6, a third adhesive film layer 4 and a second glass plate 5. The area S1 of the composite multifunctional combination layer 6 is smaller than the area S2 of the composite multifunctional glass, and the periphery of the composite multifunctional combination layer is provided with a vacancy which is consistent or approximately consistent with the thickness H of the composite multifunctional glass.
Wherein S1/S2=0.4, S1/S2 is not more than 0.5, and the second adhesive film layer 3 is not arranged. The thickness H of the composite multifunctional combined layer 6 is 0.1mm; the thickness H1 of the first adhesive film layer 2 is 0.76mm; the peripheral vacancy height of the composite multifunctional combined layer 6 is 0.1mm.
The double curvature of the composite multifunctional glass product is 3000mm. First glued membrane layer 2 can be directly extrudeed the contact surface of compound multifunctional combined layer 6, and the fold or the raised grain that make compound multifunctional combined layer 6 appear is smoothed, and compound multifunctional glass board goods are carrying out hot-working, high pressure course of working, and the mobility of first glued membrane layer 2 and third glued membrane layer 4 is filled the vacancy.
In this embodiment, the first glass plate 1 is a single glass plate made of organic glass or inorganic glass, and the second glass layer 5 is a double-laminated glass plate; the first glass plate 1 and the second glass layer 5 are both double curvature glass, and the double curvature is 3000mm. The first adhesive film layer 2, the second adhesive film layer 3 and the third adhesive film layer 4 are all adhesive film layers formed by PVB (polyvinyl butyral).
Example 2
As shown in fig. 2 and 3, a composite multifunctional glass includes, stacked in sequence from top to bottom: the multifunctional glass plate comprises a first glass plate 1, a first adhesive film layer 2, a composite multifunctional combined layer 6, a third adhesive film layer 4 and a second glass plate 5.
The area S1 of the composite multifunctional combination layer 6 is smaller than the area S2 of the composite multifunctional glass, and the peripheries of the composite multifunctional combination layer are all provided with gaps with the same or approximately the same thickness H.
Wherein S1/S2=0.6, the thickness H of the composite multifunctional combined layer 6 is 1.0mm, the thickness H1 of the first adhesive film layer 2 is 0.76mm, and the thickness H4 of the third adhesive film layer 4 is 0.76mm.
The thickness of the second adhesive film layer 3 is H3, the second adhesive film layer 3 is arranged in the gap and adjacent to the peripheral section of the composite multifunctional combined layer 6, one side surface of the second adhesive film layer 3 is in contact with the third adhesive film layer 4, and the other side surface of the second adhesive film layer 3 and the first adhesive film layer 2 form a gap with the height of H2. The width of the second adhesive film layer 3 is identical to the width of the gap (i.e., the gap is filled in the plane size of fig. 3).
At this time, H3 is more than 0 and less than or equal to H (S1/S2 + 0.2), then H3 is less than or equal to 0.8mm. When H3=0.8mm, the height H2= H-H3 of the gap between the first adhesive film layer 2 and the second adhesive film layer 3, that is, H2=1.0mm-0.8mm =0.2mm.
The double curvature of the composite multifunctional glass product is 2800mm. Wherein the second adhesive film layer 3 is positioned at the periphery of the composite multifunctional combination layer 6, and plays a role in filling the area of the composite multifunctional combination layer 6, which is smaller than that of the composite multifunctional glass product; wherein the height that forms after the intermediate layer is folded is H2's gap, and first glued membrane layer 2 carries out the contact extrusion to compound multi-functional combination layer 6 in the hot working process, makes the fold or the raised grain that compound multi-functional combination layer 6 probably appears in the product of curved surface smooth, combines hot-working simultaneously, the mobility of first glued membrane layer 2 and third glued membrane layer 4 can fill the gap between first glued membrane layer 2 and second glued membrane layer 3 in the high pressure course of working, forms final qualified product.
In the present embodiment, the first glass plate 1 and the second glass plate 5 are both single glass plates made of organic glass or inorganic glass, and are both double curvature glass, and the double curvature is 2800mm. The first adhesive film layer 2, the second adhesive film layer 3 and the third adhesive film layer 4 are all adhesive film layers formed by PVB (polyvinyl butyral).
Example 3
Compared with the embodiment 2, the composite multifunctional glass in the embodiment is different in that:
S1/S2=0.9, the thickness H of the composite multifunctional combined layer 6 is 0.9mm, the thickness H1 of the first adhesive film layer 2 is 0.76mm, and the thickness H4 of the third adhesive film layer 4 is 0.38mm.
S1/S2 is more than 0.5 and less than 0.98, H is more than or equal to 0.15mm, and the thickness H3 of the second adhesive film layer meets the following requirements: h3 is greater than 0 and less than or equal to H (S1/S2 + 0.2), then H3 is less than or equal to 0.99mm, preferably H3=0.9mm, then the height H2=0mm of the gap between the first adhesive film layer 2 and the second adhesive film layer 3, i.e. the second adhesive film layer and the composite multifunctional combined layer 6 are equal in thickness.
The double curvature of the composite multifunctional glass product is 3300mm. Wherein the second adhesive film layer 3 is positioned at the periphery of the composite multifunctional combined layer 6 and completely fills the area of the composite multifunctional combined layer 6 smaller than that of the composite multifunctional glass product.
Example 4
As shown in fig. 4, a composite multifunctional glass comprises, stacked in sequence from top to bottom: the multifunctional glass plate comprises a first glass plate 1, a first adhesive film layer 2, a composite multifunctional combined layer 6, a third adhesive film layer 4 and a second glass plate 5.
The area S1 of the composite multifunctional combined layer 6 is smaller than the area S2 of the composite multifunctional glass, and the peripheries of the composite multifunctional combined layer are all provided with gaps which are consistent or approximately consistent with the thickness H of the composite multifunctional glass.
Wherein S1/S2=0.9, the thickness H of the composite multifunctional combined layer 6 is 1.0mm, the thickness H1 of the first adhesive film layer 2 is 0.76mm, and the thickness H4 of the third adhesive film layer 4 is 0.38mm.
The thickness of S1/S2 is more than 0.5 and less than 0.98, H is more than or equal to 0.15mm, and a second adhesive film layer 3 with the thickness of H3 is arranged in the gap and adjacent to the peripheral section of the composite multifunctional combined layer 6.
The thickness H3 of the second film layer satisfies 0 < H3 ≦ H (S1/S2 + 0.2), then H3 ≦ 1.1mm, preferably H3=1.1mm. At this time, a cavity with a height H2' =0.1mm is formed between the composite multifunctional combination layer 6 and the first adhesive film layer 2.
The double curvature of the composite multifunctional glass product is 3500mm. The second adhesive film layer 3 is positioned on the periphery of the composite multifunctional combined layer 6 and plays a role in filling the area of the composite multifunctional combined layer 6, which is smaller than that of the composite multifunctional glass product; and when the thickness of the second adhesive film layer H3 is larger than H, a cavity of 0.1mm2 is formed between the composite multifunctional combined layer 6 and the first adhesive film layer 2, and the cavity can form a space for extending the composite multifunctional layer on the surface of the hyperbolic glass in the processes of external vacuumizing and external pressure after the composite multifunctional layer 6 is laminated in the interlayer, so that the phenomenon of wrinkles or waves is reduced, and the risk of cracks caused by the stress difference of the edge of the glass product is also reduced.
It should be understood that the above-described embodiments of the present invention are examples for clearly illustrating the invention, and are not to be construed as limiting the embodiments of the present invention, and it will be obvious to those skilled in the art that various changes and modifications can be made on the basis of the above description, and it is not intended to exhaust all embodiments, and obvious changes and modifications can be made on the basis of the technical solutions of the present invention.

Claims (10)

1. The utility model provides a compound multi-functional glass which characterized in that, this compound multi-functional glass includes that the range upon range of in proper order is laminated:
the multifunctional glass plate comprises a first glass plate (1), a first adhesive film layer (2), a composite multifunctional combined layer (6), a third adhesive film layer (4) and a second glass plate (5);
the area S1 of the composite multifunctional combined layer (6) is smaller than the area S2 of the composite multifunctional glass, and the peripheries of the composite multifunctional combined layer are all provided with gaps; a second adhesive film layer (3) with the thickness of H3 is arranged in the gap and adjacent to the peripheral tangent plane of the composite multifunctional combined layer (6);
when S1/S2 is not more than 0.5 and/or H is less than 0.15mm, H3=0; wherein H is the thickness of the composite multifunctional combined layer (6);
when S1/S2 is more than 0.5 and less than 0.98 and H is more than or equal to 0.15mm, H3 is more than 0 and less than or equal to H (S1/S2 + 0.2).
2. The composite multifunctional glass according to claim 1, wherein when S1/S2 is more than 0.5 and less than 0.98, and H is more than or equal to 0.15mm, the thickness H3 of the second adhesive film layer (3) also satisfies H3 and less than H, one side surface of the second adhesive film layer (3) is in contact with the third adhesive film layer (4), and a gap is formed between the other side surface of the second adhesive film layer (3) and the first adhesive film layer (2).
3. The composite multifunctional glass according to claim 1, wherein the thickness H3= H of the second adhesive film layer (3) is 0.5 < S1/S2 < 0.98 and H ≧ 0.15 mm.
4. The composite multifunctional glass according to claim 1, wherein when S1/S2 is more than 0.5 and less than 0.98, and H is more than or equal to 0.15mm, the thickness H3 of the second adhesive film layer (3) also satisfies H3 and more than H, and a cavity is formed between the composite multifunctional combination layer (6) and the first adhesive film layer (2).
5. The composite multifunctional glass according to claim 1, characterized in that the thickness H of the composite multifunctional combined layer (6) satisfies 0.08mm ≦ H ≦ 1.2mm.
6. The composite multifunctional glass according to claim 1, characterized in that the thickness of the first adhesive film layer (2) is 0.38mm to 0.76mm.
7. The composite multifunctional glass according to claim 1, characterized in that the thickness of the third adhesive film layer (4) is 0.38mm to 0.76mm.
8. The composite multifunctional glass according to claim 1, characterized in that the first glass plate (1) and the second glass plate (5) are flat glass plates or double curvature glass plates; the curvature radius of the double-curvature glass plate is more than or equal to 2200mm.
9. The composite multifunctional glass according to claim 1, characterized in that the composite multifunctional combination layer (6) is an optically functional element.
10. A vehicle glazing comprising the composite multifunctional glass of any one of claims 1-9.
CN202210227883.4A 2022-03-08 2022-03-08 Composite multifunctional glass and vehicle glass Active CN114536890B (en)

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