CN108966646A - Pass through the autoclave process of vacuum bag - Google Patents
Pass through the autoclave process of vacuum bag Download PDFInfo
- Publication number
- CN108966646A CN108966646A CN201880000730.8A CN201880000730A CN108966646A CN 108966646 A CN108966646 A CN 108966646A CN 201880000730 A CN201880000730 A CN 201880000730A CN 108966646 A CN108966646 A CN 108966646A
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- CN
- China
- Prior art keywords
- glass plate
- glass
- vacuum bag
- arrangement part
- autoclave
- Prior art date
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
- B32B17/10816—Making laminated safety glass or glazing; Apparatus therefor by pressing
- B32B17/10871—Making laminated safety glass or glazing; Apparatus therefor by pressing in combination with particular heat treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
- B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
- B32B17/10082—Properties of the bulk of a glass sheet
- B32B17/10119—Properties of the bulk of a glass sheet having a composition deviating from the basic composition of soda-lime glass, e.g. borosilicate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
- B32B17/10128—Treatment of at least one glass sheet
- B32B17/10137—Chemical strengthening
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
- B32B17/10761—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing vinyl acetal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
- B32B17/1077—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing polyurethane
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
- B32B17/10788—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing ethylene vinylacetate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
- B32B17/10816—Making laminated safety glass or glazing; Apparatus therefor by pressing
- B32B17/10825—Isostatic pressing, i.e. using non rigid pressure-exerting members against rigid parts
- B32B17/10834—Isostatic pressing, i.e. using non rigid pressure-exerting members against rigid parts using a fluid
- B32B17/10844—Isostatic pressing, i.e. using non rigid pressure-exerting members against rigid parts using a fluid using a membrane between the layered product and the fluid
- B32B17/10853—Isostatic pressing, i.e. using non rigid pressure-exerting members against rigid parts using a fluid using a membrane between the layered product and the fluid the membrane being bag-shaped
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
- B32B17/10972—Degassing during the lamination
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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
- B32B2419/00—Buildings or parts thereof
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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
- B32B2479/00—Furniture
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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
- B32B2605/00—Vehicles
- B32B2605/08—Cars
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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
- B32B2605/00—Vehicles
- B32B2605/12—Ships
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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
- B32B2605/00—Vehicles
- B32B2605/18—Aircraft
Abstract
The method for manufacturing composite glass glass plate (7), wherein: a) at least one thin polymer film (2) being arranged on parent glass plate (1) and cover glass plate (3) is arranged at least one described thin polymer film (2), or at least one thin polymer film (2) is arranged on cover glass plate (3) and parent glass plate (1) is arranged at least one described thin polymer film (2)；B) the arrangement part (6) obtained in step a) is placed into vacuum bag (4a)；C) by vacuum bag (4a) vacuumize and by be located at evacuated vacuum bag (4b) in arrangement part (6) in autoclave (5) 60 DEG C to 120 DEG C at a temperature of be heat-treated；D) stop the vacuum after the heat treatment in step c), and by the arrangement part (6) in vacuum bag (4a, 4b) in autoclave (5) the heat treatment temperature being equal to or more than in step c) at a temperature of carry out autoclave process.Compared to conventional method, the method for the present invention realizes apparent energy saving.
Description
The present invention relates to the method for manufacture composite glass glass plate, according to the available composite glass glass of the manufacturing method
Glass plate and the thus purposes of manufactured composite glass glass plate.
The known method of manufacture composite glass glass plate consists essentially of following method steps.First step generally includes
Arrangement and optional immobilizing foundation glass plate, at least one thin polymer film is arranged and is optionally fixed on parent glass plate, and
Cover glass is arranged and is optionally fixed on the thin polymer film, or vice versa.The arrangement part is walked in further method
It is transferred in vacuum bag in rapid, and is wherein being heated in furnace under vacuum.After the heating, which is taken from vacuum bag
It is out and cooling.After the cooling period, by the arrangement part then in last method and step in autoclave in the pressure of high temperature and raising
Autoclave process (autoklaviert) is carried out under power, to obtain finished product composite glass glass plate.
For example, 2 647 497 A1 of EP discloses the method for manufacture composite glass glass plate, wherein by parent glass plate
The arrangement part forvacuum first in vacuum bag formed with cover glass plate and multiple therebetween thin polymer films, then
It heats in furnace, and then cools down, then to carry out autoclave process in autoclave.
The shortcomings that method for the manufacture composite glass glass plate being known from the state of the art, is, due to multiple plus hot and cold
But step is relatively blunt from the point of view of energy angle.Further, since spatially separating the first heating in furnace under vacuum
The step and autoclave process step in autoclave --- this causes further method and step, such as from furnace and vacuum bag
Removing the arrangement part, the cooling arrangement part and the arrangement part be transferred in autoclave --- this known method is from required work
It is also economically disadvantageous from the perspective of time.
US 2015/158277 A1、US 2007/154705 A1、US 4 584 245 A、GB 755 809 A、EP 0
331 648 A2 and 2015/122406 A1 of US disclose the method for manufacture composite glass.
The method being known from the state of the art both be used to manufacture plane, be also used for manufacturing curved composite glass glass
Plate.When manufacturing curved composite glass glass plate, non-uniform pressure distribution may be made during autoclave process
For nature of glass glass plate, this is particularly unfavorable when using thin glass.
Method of the invention is to eliminate the shortcomings that referring to before of the prior art.Particularly, it is an object of the invention to
There is provided manufacture composite glass glass plate method, by this method can be saved for known method the energy and/or
Working time.Furthermore this method should design as simply as possible.In addition, by energy saving and/or the working time the method,
Curved composite glass glass plate should may be also manufactured, and it is not subjected to non-uniform pressure point during autoclave process
Cloth.
Above-mentioned purpose is realized by the method for manufacture composite glass glass plate according to claim 1 comprising following
Step:
A) by least one thin polymer film be arranged on parent glass plate and by cover glass plate be arranged into it is described at least one
On thin polymer film, or at least one thin polymer film is arranged on cover glass plate and is arranged into parent glass plate described
On at least one thin polymer film；
B) the arrangement part obtained in step a) is placed into vacuum bag；
C) by bag vacuum and by be located at evacuated vacuum bag in arrangement part in autoclave at 60 DEG C to 120
It is heat-treated at a temperature of DEG C；
D) stop the vacuum after the heat treatment in step c), and the arrangement part in vacuum bag is being equal in autoclave
Or be greater than step c) in heat treatment temperature at a temperature of carry out autoclave process.
This method, which is included in step a), to be arranged at least one thin polymer film on parent glass plate and will cover glass
Glass plate is arranged at least one described thin polymer film, or at least one thin polymer film is arranged on cover glass plate simultaneously
Parent glass plate is arranged at least one described thin polymer film, thus obtains arrangement part respectively, wherein described at least one
A thin polymer film is between parent glass plate and cover glass plate.The order of the arrangement is usually any, near in practice
A thin polymer film is usually taped against on cover glass plate simultaneously then that parent glass plate is placed on it less, especially when covering glass
When glass plate is the thin glass matter glass plate through chemistry tempering (getempert).
In a preferred embodiment, the parent glass plate and/or cover glass plate contain glass and/or polymerization
Object, preferably plate glass, quartz glass, borosilicate glass, soda-lime glass, alkali metal aluminosilicate
(Alkalialuminosilikat) glass, polycarbonate and/or polymethacrylates.The cover glass plate and parent glass
Plate can be made of identical material or different materials.
The composite glass glass plate can be symmetrically, i.e., parent glass plate and cover glass plate have identical thickness
Degree.Preferably, which is asymmetric composite glass glass plate, this refer to cover glass plate have than
The small thickness of parent glass plate, or vice versa.
Preferably, the parent glass plate and cover glass plate are respectively provided with 0.4 to 20 mm, the preferably thickness of 0.4 to 6 mm
Degree.
Preferably, the basis and/or cover glass plate are the thin glass matter glass plates through chemistry tempering, preferably by alkali gold
Belong to alumina silicate glass to be made.For the thin glass matter glass plate through chemistry tempering, it also can be used and be suitable for chemistry application in advance
Other glass of stress.
It is particularly preferred that the cover glass plate is the thin glass matter glass plate through chemistry tempering, preferably by composite alkali aluminum
Silicate glass is made.
It is preferred that the thin glass matter glass plate through chemistry tempering made of alkali aluminosilicate glass preferably has less
In the thickness of 1 mm, it is preferable that through chemistry tempering thin glass matter glass plate have 0.4 to 1 mm, particularly preferred 0.5 to 0.8
The thickness of mm.
Very particularly preferably, which is soda-lime glass, which is by alkali metal aluminosilicate
Thin glass matter glass plate through chemistry tempering made of glass.
In a preferred embodiment, such as the parent glass plate made of soda-lime glass has 0.5 to 20 mm,
It is preferred that the thickness of 1 to 6 mm, and the cover glass plate is that have 0.4 to 1 mm, preferably the thickness of 0.5 to 0.8 mm through chemistry
The thin glass matter glass plate of tempering.
When the composite glass glass plate is used for example as vehicle glazing panels, which is usually to constitute outer glass
The glass plate of glass, and the cover glass plate constitutes interior glass.
In principle, the parent glass plate and cover glass plate can be plane or bending or arch respectively.Therefore, may be used
To manufacture plane or curved composite glass glass plate by the method for the invention.Such curved composite glass glass plate pair
3D- composite glass glass plate is also referred to as those skilled in the art.Correspondingly, it is not bent, the composite glass of plane
Glass plate is known as 2D- composite glass glass plate.
Curved basis-and cover glass plate (can draw in the earth's core according to known method, such as compacting bending or gravity-bending
Power bending) manufacture.Preferably, glass is heated to softening temperature by compacting bending by curved basis-and cover glass plate
And then suppress " molding ", or by gravity-bending, i.e., glass is heated to softening temperature, wherein then pass through centrifugal force into
Row is bent and manufactures.
Preferably, the parent glass plate and composite glass are all the curved nature of glass glass plates of difference, with manufacture
Curved composite glass glass plate.
The method of the present invention is therefore particularly suited for manufacturing curved composite glass glass plate.
Between the parent glass plate and cover glass plate, one or more thin polymer films can be arranged.It is described extremely
The polymer of a few thin polymer film preferably comprises polyvinyl butyral, ethylene vinyl acetate, polyurethane and/or it is mixed
Object and/or its copolymer are closed, wherein at least one described thin polymer film is preferably polyvinyl butyral film.
At least one described thin polymer film preferably has 0.1 to 1.5 mm, the thickness of particularly preferred 0.3 to 0.9 mm herein
Degree.
Optionally, at least one described thin polymer film can also be preforming.This it is preforming can be according to known method, example
Such as carried out by deep-draw.
Multiple thin polymer films as previously defined can also be arranged between parent glass plate and cover glass plate.It is another
A preferred embodiment be using three films, wherein in two thin polymer films as previously defined, preferred polyvinyl alcohol contracting fourth
Therebetween additional thin polymer film is arranged between aldehyde film.The additional thin polymer film can be for example selected from poly- to benzene
Naphthalate, polyethylene, polypropylene, polycarbonate, polybutylene terephthalate (PBT) and/or its mixture and/or
The film of copolymer, wherein preferably pet film.The additional thin polymer film can for example have
There are 20 to 100 μm, preferably 40 to 60 μm of thickness.
In the method for the invention, the arrangement part formed in step a) can optionally be carried out before being placed in vacuum bag
It pre-fixes, such as passes through dotted heating.It is herein preferably the dotted temperature for being heated to 60 DEG C to 90 DEG C.
Dotted heating is understood to mean the arrangement part and heats at multiple points for example to 60 DEG C to 90 DEG C of temperature.?
This, the region heated respectively preferably has the diameter of 2 cm to 5 cm.
Alternatively, which can also pre-fix in another manner, such as pass through adhesive tape.
The advantages of pre-fixing is that the different layers of the composite glass glass plate are until its final gluing is cannot to be mutually shifted
's.
After forming the arrangement part in step a), which is placed in vacuum bag in the step b) of the method for the present invention
In.
This suitable vacuum bag is known to the skilled in the art.Preferably, which is by rubber or raw rubber
Manufactured vacuum bag is preferably incorporated into metal fabric in the rubber or raw rubber, is achieved in the stabilisation of the vacuum bag.The metal
Fabric enables the side wall of the vacuum bag to become required shape.In general, suitable vacuum bag has about 5 mm to about 10
The wall thickness of mm.
The common vacuum bag with flattened side can be used.In a preferred embodiment, the shape of the vacuum bag
Shape is matched with the shape of the arrangement part.When manufacturing flat composite glass glass plate, suitably there is planar side to this
The vacuum bag in face.Especially when manufacturing curved composite glass glass plate, preferably the vacuum bag has at least one, excellent
Two curved sides are selected, still, using the vacuum bag with flattened side for curved basis-and cover glass plate
Also feasible.The shape of the curved side of the vacuum bag particularly passes through the metal fabric added and realizes.
When using vacuum bag matched with the shape of the arrangement part, which can be placed in one by the arrangement part
There is the 3D shape similar with the arrangement part afterwards.This has the advantage that, i.e., is carrying out high pressure to the curved arrangement part in vacuum bag
When kettle processing, it is ensured that the uniform pressure distribution on curved glass matter glass plate, and therefore can substantially avoid nature of glass glass
The damage of glass plate or the undesirable edge effect due to caused by the different pressures distribution on the nature of glass glass plate.Uneven pressure
Power distribution can also be generated in the heat treatment in step c), but there especially because lower temperature and have secondary work
With.
Using through chemistry tempering thin glass matter glass plate when, such as have and the composite glass glass plate class to be manufactured
As 3D shape vacuum bag provide uniform pressure distribution due to through chemistry tempering thin glass matter glass plate sensibility
It is particularly advantageous.
Then in step c) and d) in autoclave processing can be located at vacuum bag in arrangement part carry out.But
Can also by arrangement part that two or more are located in vacuum bag simultaneously in autoclave according to step c) and d) in
Reason.
In the step c) of the method for the present invention, by have hair method of the present invention step a) in generate by parent glass plate
The vacuum bag of the arrangement part formed with cover glass plate at least one therebetween thin polymer film is vacuumized.
With hair method of the present invention step a) in generate arrangement part vacuum bag herein preferably vacuumize it is preposition in
It is connect in autoclave and there with vacuum system.But the method for the present invention to be implemented as follows scheme also feasible, wherein having it
In include the vacuum bag of arrangement part just vacuumized before being placed in autoclave, but this is not excellent for practical reasons
Choosing.
It is generally desirable that will have the vacuum bag for the arrangement part being located therein to introduce autoclave frame
(Autoklavgestell) in, wherein vacuum can be conducted by the autoclave frame.Vacuum with the arrangement part being located therein
Bag can be connect with the autoclave frame.Then the autoclave frame can be controlled to a vacuum pump in autoclave.In this way, it is possible to
Vacuum is applied on vacuum bag by this to vacuumize.Vacuum bag with the arrangement part being located therein can be installed to
On autoclave frame in autoclave, or it is mounted on autoclave frame outside autoclave and is then transported to height together with this
It presses in kettle.
Single operation or batch operation are feasible.In single operation, will there is the vacuum for the arrangement part being located therein
Bag is separately delivered in autoclave.This program can be repeated several times, so that last multiple vacuum bags are located in autoclave.
In batch operation, multiple vacuum bags with the arrangement part being located therein are put into vacuum shelf and are then jointly transported to
In autoclave.This process can also be repeated several times.
Vacuum system for vacuumizing generally includes at least one vacuum pump, can produce by it and maintains vacuum.
Preferably, in the step c) of the method for the present invention of manufacture composite glass glass plate, apply 100 on vacuum bag
Mbar is absolute to 700 mbar, preferably 200 mbar to 500 mbar absolute pressure or negative pressure.Preferably, it effectively maintains herein
This vacuum, i.e. vacuum pump are also kept in the heat treatment process of the evacuated vacuum bag with the arrangement part being located therein
Operation.
Preferably, in the entire duration of method and step c), vacuum pump maintains substantially constant pressure or basic
Upper constant vacuum.
Here, term " vacuum " should be synonymous with term " negative pressure " or " decompression ".All pressures enumerated in this application
Force data refers to absolute pressure, unless otherwise stated.
Temperature of the arrangement part in step c) in autoclave at 60 DEG C to 120 DEG C in evacuated vacuum bag
Under, it is heat-treated at a temperature of preferably 70 DEG C to 110 DEG C, particularly preferred 80 DEG C to 95 DEG C.This be also referred to as heat vacuumize or " heat
Degassing ".
Retention time under the required temperature being heat-treated in for autoclave is preferably at least 5 min, more preferably at least
10 min.The retention time is preferably not greater than 60 min.When holding under the required temperature being heat-treated in for autoclave
Between preferably 5 min to 50 min, very particularly preferably 25 min to 45 min.
Temperature and refer to temperature in autoclave below for temperature mentioned by autoclave process referred in this.Cause
Heat-blocking action is played for vacuum bag itself with can be optional part, regular hour delay may optionally occur, until institute
It states and arranges that part also reaches the temperature in autoclave.
Usually it is suitable for and scheme preferably is implemented as follows, wherein will will be including the vacuum of the arrangement part in step c)
Carry out after bag vacuumizes and before heat as described above vacuumizes it is so-called it is cold vacuumize, wherein being located at the cloth in vacuum bag
Set part and be maintained at certain period of time under environment temperature, for example, at least 5 min, preferably at least 10 min, then by the arrangement part into
Row heat treatment.This is optional cold to vacuumize it is also preferred that occurring in autoclave.It is particularly understood to about under environment temperature
15 DEG C to about 35 DEG C of temperature.
It maintains the vacuum (also referred to as " cold degassing ") under environment temperature to have the following advantages that, that is, is located at basis-and covering glass
Air between glass plate or between at least one described thin polymer film and glass plate can be escaped preferably, and therefore be led to
Often carry out.
In addition, the method is characterized in that next method and step d) comprising stop after the heat treatment in step c)
Only vacuum, and by the arrangement part in vacuum bag in autoclave be equal to or more than step c) in heat treatment temperature at a temperature of
Carry out autoclave process.
It is preferably greater than to walk that arrangement part for will be located in vacuum bag carries out autoclave treated temperature in autoclave
It is rapid c) in heat treatment temperature, wherein being preferably greater than the heat treatment temperature at least 10 in step c) for autoclave treated temperature
DEG C, preferably at least 20 DEG C, preferably at least 30 DEG C.
Stop vacuum being particularly understood to mean end and vacuumize, this for example by by vacuum system in step c)
In generated in vacuum bag and maintain at least one vacuum pump described in vacuum stop.But usually herein not by vacuum bag master
Dynamic ventilation.It is possible thereby to reappear the raising of the air pressure in vacuum bag with the time.
Be preferably located at arrangement part in vacuum bag in step d) how 80 to 150 DEG C of son, preferably 90 DEG C to 145 DEG C
At a temperature of carry out autoclave process.Herein in 7 bar to 16 bar, preferably 8 bar to 14 bar, more preferable 10 bar to 13
Autoclave process is carried out under the absolute pressure of bar.
Preferably, make the arrangement part be exposed in step d) in vacuum bag be arranged for it is autoclave treated most
Big temperature and 10 min of maximum pressure to 120 min, especially 30 min are to 60 min.
The main advantages of the method for the present invention are that the autoclave process in step d) can be directly positioned at evacuated
Vacuum bag in arrangement part carried out after heat treatment in the step c), without the time-consuming according to necessary to conventional method and labor
Power is intensive to be taken out the arrangement part from separated furnace, takes out the arrangement part from vacuum bag and be finally placed in the arrangement part
Step in autoclave.It was surprisingly found that when the arrangement part is also located in vacuum bag, can also by the arrangement part into
The processing of horizontal high voltage kettle.
Particularly, can in the method for the invention directly after stopping vacuum simply by autoclave by temperature
It is increased to pressure for being worth desired by autoclave process and is continued with after being heat-treated in autoclave in step c), with
So that not needed between heat treatment and subsequent autoclave process in step c) by arrangement part cooling.
It is preferred that substantially without this between the autoclave process in the heat treatment in step c) and step d)
Arrange the cooling of part, wherein the temperature of the arrangement part is after heat treatment and preceding preferably in the processing of step d) mesohigh kettle in step c)
Not less than following temperature, lower than most 10 DEG C of temperature in step c) when heat treatment, more preferably up to 5 DEG C, particularly preferably most
More 2 DEG C.Very particularly preferably, without the arrangement between the autoclave process in the heat treatment in step c) and step d)
The cooling of part.
It is further preferred that the temperature of the arrangement part is not after heat treatment and low before the processing of step d) mesohigh kettle in step c)
In 60 DEG C of temperature, preferably not less than 70 DEG C of temperature, preferably not less than 80 DEG C of temperature.
When between the autoclave process in the heat treatment in step c) and step d) substantially without or without this
When arranging the cooling of part, this is had the advantage that, it can is saved for the energy needed for reheating the arrangement part.
After autoclave process, the arrangement part can be cooled down, and it is taken out from vacuum bag, to obtain the compound of finished product
Nature of glass glass plate.
Preferably, after the arrangement part being carried out autoclave process in vacuum bag in step d), by the arrangement part true
About 40 DEG C to about 60 DEG C of temperature is actively cooled in empty bag in autoclave, is then discharged from the autoclave super
Pressure.
Preferably, the arrangement part is cooled down in vacuum bag and after superpressure is discharged in autoclave, then which is existed
Such as 20 DEG C of environment temperature is cooled in vacuum bag.It is then possible to take out the composite glass glass of finished product from vacuum bag
Plate.
If in prominent (abstehen) at least one thin polymer film in the edge of gained composite glass glass plate,
It can be removed by known method.
In the method for the invention, it is heat-treated in method and step c), and in step d) in same autoclave
Carry out autoclave process.Other than above-mentioned energy saving, this is also had the advantage that, it can is avoided the arrangement part from being used for heat
Be transferred out of in the furnace vacuumized and cool down and avoid the arrangement part that will be cooled down to be further diverted into autoclave, thus this method compared with
It is uncomplicated and working time and additional furnace can be saved.
In general, single composite glass glass plate can be manufactured by the method for the invention, but can also be in autoclave
It concurrently manufactures multiple composite glass glass plates and is in practice also reasonable.
The present invention additionally relates to composite glass glass plate, can be obtained by the above method.
In addition, the present invention relates to the composite glass glass plates manufactured according to the above method to be used as vehicle glazing panels, ship
Glass plate or aircraft glass plate, as the purposes for building glass, glass of building or furniture glass.
Below according to drawings and examples, the present invention is further explained, but they should not in any way limit this hair
It is bright.
Fig. 1 shows the schematic diagram of the arrangement part of step a) according to the method for the present invention.
Fig. 2 a show in flat vacuum bag by parent glass plate and cover glass plate and therebetween polymer
The schematic diagram of curved arrangement part made of film.Arrow shows the pressure ratio in autoclave process operating process.
Fig. 2 b show in preferred vacuum bag by parent glass plate and cover glass plate and therebetween polymer
The schematic diagram of curved arrangement part made of film, the vacuum bag include two sides with the curvature similar with curved arrangement part
Face.Arrow shows the pressure ratio in autoclave process operating process.
Fig. 3 shows the schematic diagram of the arrangement part in autoclave before vacuumizing.
Fig. 4 shows the schematic diagram of the arrangement part in evacuated vacuum bag in autoclave.
Fig. 5 shows the schematic diagram for the finished product composite glass glass plate that can be obtained according to the method for the present invention.
Fig. 6 shows the flow chart of the method for the present invention (Fig. 6 a) method (Fig. 6 b) compared with the prior art.
Fig. 7 shows the Temperature and pressure distribution in the method for the present invention according to the following example.
Attached drawing is described in detail
Fig. 1 shows the arrangement part (6) or composition of the composite glass glass plate being manufactured according to the invention, is preferably
Curved composite glass glass plate.In the cover glass plate (3) containing alkali aluminosilicate glass, preferably it is tempered through chemistry
Thin glass matter glass plate on be laid with thin polymer film (2), preferred polyvinyl butyral film is then laid with basis on it
Glass plate (1), preferably comprises soda-lime glass.This arrangement part can be pre-fixed optionally by dotted heating.
Fig. 2 a shows the curved arrangement part (6) being previously formed, and is placed in traditional flat vacuum bag (4a).Arrow
The pressure acted on the arrangement part during autoclave process is illustrated herein.The length symbol of these arrows works as the arrangement
Part carries out the size of the pressure acted in arrangement part (6) when autoclave process in vacuum bag (4a).It is herein it is evident that special
It is not on the edge of curved glass matter glass plate and at center, bigger pressure acts in arrangement part (6).
Fig. 2 b shows prior molding curved arrangement part (6), is placed in matched true with the shape of curved arrangement part
In empty bag (4a).Preferably, such vacuum bag (4a) includes two with substantially the same with arrangement part (6) being located therein
Curvature side.By the substantially the same shape of vacuum bag (4a), the arrangement is acted on during autoclave process
Pressure on part distribute very evenly and it is therefore advantageous.
Fig. 3 shows the schematic diagram of the arrangement part (6) before vacuumizing in vacuum bag (4a) in autoclave (5).Vacuum
Bag (4a) is connect preferably in autoclave (5) with the vacuum system for including at least one vacuum pump (not shown) thus.Vacuum bag
(4a) is typically mounted on autoclave frame herein and is connected thereto, and wherein the vacuum system or vacuum pump are connect with this, so that
(not shown) on vacuum bag can be applied to by this by obtaining vacuum.
Fig. 4 shows the schematic diagram of the arrangement part (6) in autoclave in evacuated vacuum bag (4b).In high pressure
In kettle (5) for a period of time in the case where the arrangement part (6) in evacuated vacuum bag (4b) preferably remains in environment temperature first, so
The arrangement part is reached into the required temperature for heat treatment by heating autoclave (5) in evacuated vacuum bag (4b) afterwards
Degree.Surplus air between glass plate and film can by this method escaped.It, can after heat treatment and end vacuumize
Directly then to carry out autoclave process step (not shown) in autoclave by improving temperature and pressure.
Fig. 5 shows the composite glass glass plate (7) of finished product, can obtain in the method in accordance with the invention.
Fig. 6 shows the flow chart of the method for the present invention (Fig. 6 a) method (Fig. 6 b) compared with the prior art.
At least one thin polymer film is arranged on parent glass plate and will cover glass by (Fig. 6 a) according to the method for the present invention
Glass plate arranges on the polymer film, or at least one thin polymer film is arranged on cover glass plate and by parent glass plate
It is arranged at least one thin polymer film.The arrangement part is transferred in vacuum bag.The vacuum bag can optionally with this
Arrange the shape matching of part.Vacuum bag containing the arrangement part is placed in autoclave, is vacuumized, and by the arrangement part in vacuum
It is heat-treated in bag in the case where keeping vacuum.Be then turned off vacuum and by the arrangement part in vacuum bag in same high pressure
Autoclave process is carried out in kettle.The autoclave is cooling and takes out finished product composite glass glass plate.
According to art methods (Fig. 6 b), at least one thin polymer film is arranged on parent glass plate and will be covered
Glass plate is arranged on the polymer film, or thin polymer film is arranged on cover glass plate and is arranged in parent glass plate
On thin polymer film.The arrangement part is transferred in vacuum bag.By the bag vacuum containing the arrangement part, and by the cloth
Part is set then to be heat-treated in furnace in the case where keeping vacuum in vacuum bag.Then stop vacuum, by the arrangement part
It is taken out from furnace and vacuum bag, and is subsequently put on autoclave frame and waits, until there is the sufficient amount of arrangement part prepared
To fill autoclave, this generally causes glass plate to turn cold.The arrangement part to be turned cold due to the operating procedure is now placed on high pressure
Autoclave process is carried out in kettle and wherein.After autoclave process operation and the arrangement part are cooling in autoclave, take out
Finished product composite glass glass plate.
Fig. 7 is exemplary to show that temperature and pressure is with the time according to present in the method for the present invention of the following example
Distribution.
Embodiment
The present invention is described in detail by embodiment below.
As cover glass plate through chemistry tempering it is curved be made of alkali aluminosilicate glass and with a thickness of
The polyvinyl butyral film with a thickness of 0.85 mm is laid on the thin glass matter glass plate of 0.55 mm.In the film of laying
Upper arrangement is curved to be made and with a thickness of the parent glass plate of 2.1 mm of soda-lime glass.The arrangement part is placed in vacuum bag,
Wherein the vacuum bag can be as designed by Fig. 2 a or 2b.The vacuum bag is transferred in autoclave and here with vacuum system
Connection.The vacuum of about 200 mbar is generated in vacuum bag.The vacuum keeps big now under environment temperature (about 20 DEG C)
About 15 min.
Then autoclave is heated approximately to 90 DEG C, wherein actively keeping or maintaining about 200 mbar in the vacuum bag
Vacuum.In order to be heat-treated, about 90 DEG C of about 30 min of temperature is kept.The operation of also referred to as " the heat degassing " is used for
Escape the residual gas being also present between nature of glass glass plate and film.
Then stop vacuum by closing vacuum pump, and will be in the autoclave that wherein there is the arrangement part in vacuum bag
Temperature and pressure improve to carry out autoclave process so that reach in the autoclave 140 DEG C temperature and 9 bar it is absolute
Pressure.
140 DEG C of temperature and the pressure of 9 bar are kept into about 45 min.Then by the autoclave and the arrangement part
Actively it is cooled to 40 DEG C downwards under the pressure of 9 bar in vacuum bag.It, will be containing in vacuum bag after temperature reaches 40 DEG C
The autoclave of arrangement part be decompressed to the pressure of about 1 bar, i.e. standard environment pressure, and it is the arrangement part in vacuum bag is cooling
To room temperature (20 DEG C).
After this treatment, basis and cover glass plate is mutually secured by therebetween polyvinyl butyral film
Engagement, and manufactured curved composite glass glass plate can be used for example as the vehicle glazing panels in automobile.
The method shows that the arrangement part does not cool down between step c) and step d), thus without again again
Heating, this is obvious more energy-efficient for known method compared with the existing technology.In addition, according to the heat treatment of step c) and
According to the autoclave process of step d) in same device, i.e., implement in autoclave, so that the arrangement part is in the method process
In need not be transferred in another device from a device, this makes this method compared with the prior art for method in investment
It is also obvious more effective in terms of the equipment of working time and saving.
Reference signs list:
1 parent glass plate
2 thin polymer films
3 cover glass plates
4a vacuum bag, does not vacuumize
4b vacuum bag, it is evacuated
5 autoclaves
The 6 arrangement parts formed by parent glass plate and cover glass plate and therebetween thin polymer film
Composite glass glass plate made of 7.
Claims (15)
1. the method for manufacturing composite glass glass plate 7 comprising step:
A) by least one thin polymer film 2 be arranged on parent glass plate 1 and by cover glass plate 3 be arranged into it is described at least
On one thin polymer film 2, or at least one thin polymer film 2 is arranged on cover glass plate 3 and by 1 cloth of parent glass plate
It sets at least one described thin polymer film 2；
B) the arrangement part 6 obtained in step a) is placed into vacuum bag 4a；
C) vacuum bag 4a is vacuumized and the arrangement part 6 in evacuated vacuum bag 4b will be located in autoclave 5 at 60 DEG C
It is heat-treated at a temperature of to 120 DEG C；
D) stop the vacuum after the heat treatment in step c), and by the arrangement part 6 in vacuum bag 4a, 4b in autoclave 5
Be equal to or more than step c) in heat treatment temperature at a temperature of carry out autoclave process.
2. the method according to claim 1, wherein the arrangement part 6 being located in evacuated vacuum bag 4b exists in step c)
It is heat-treated at a temperature of 70 DEG C to 110 DEG C, preferably 80 to 95 DEG C in autoclave 5.
3. method according to claim 1 or 2, wherein between the autoclave process in the heat treatment in step c) and step d)
Substantially without the cooling for arranging part 6, wherein the temperature of arrangement part 6 is after the heat treatment in step c) and in step d)
Autoclave process before be preferably not less than than step c) in low most 10 DEG C of the temperature of heat treatment temperature.
4. according to the method for any one of preceding claims, wherein parent glass plate 1 and/or cover glass plate 3 containing glass and/
Or polymer, preferably plate glass, quartz glass, borosilicate glass, soda-lime glass, alkali aluminosilicate glass, poly- carbon
Acid esters and/or polymethacrylates.
5. wherein parent glass plate 1 or cover glass plate 3 are tempered through chemistry according to the method for any one of preceding claims
Thin glass matter glass plate, is preferably made of alkali aluminosilicate glass, preferably with the thickness of 0.4 to 1 mm.
6. according to the method for any one of preceding claims, wherein the polymer of at least one thin polymer film 2 is poly- second
Enol butyral, ethylene vinyl acetate, polyurethane and/or its mixture and/or its copolymer, wherein described, at least one is poly-
It closes object film 2 and is preferably polyvinyl butyral film.
7. according to the method for any one of preceding claims, wherein at least one described thin polymer film 2 has 0.1 to 1.5
Mm, the preferably thickness of 0.3 to 0.9 mm.
8. according to the method for any one of preceding claims, wherein pressure when vacuumizing, in vacuum bag 4b in step c)
Absolute to 700 mbar for 100 mbar, preferably 200 mbar are absolute to 500 mbar.
9. according to the method for any one of preceding claims, wherein the arrangement part 6 being located in evacuated vacuum bag 4b is in step
It is rapid c) at 60 DEG C to 120 DEG C, be heat-treated at least 5 at a temperature of preferably 70 DEG C to 110 DEG C, more preferable 80 DEG C to 95 DEG C
Min, preferably at least 10 min.
10. according to the method for any one of preceding claims, wherein arrangement the vacuumizing in vacuum bag 4a in step c) of part 6
It keeps at least 5 min, preferably at least 10 min at ambient temperature afterwards, is then heat-treated arrangement part 6.
11. according to the method for any one of preceding claims, wherein the arrangement part in described vacuum bag 4a, 4b in step d)
80 to 150 DEG C, preferably 90 DEG C to 145 DEG C of temperature and 7 bar to 16 bar, preferably 8 bar to 14 bar, more preferable 10 bar
Autoclave process is carried out under to the absolute pressure of 13 bar.
12. according to the method for any one of preceding claims, wherein manufactured composite glass glass plate 7 is curved compound glass
Glass matter glass plate.
13. according to the method for any one of preceding claims, wherein the shape of vacuum bag 4a, 4b is matched with the shape of arrangement part 6,
And/or wherein vacuum bag 4a, 4b has at least one, preferably two curved sides.
14. by according to claim 1 to the available composite glass glass plate 7 of method of 13 any one.
15. composite glass glass plate 7 according to claim 14 is as vehicle glazing panels, ship glass plate or aircraft glass
Plate, as build glass, glass of building or furniture glass purposes.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP17161777 | 2017-03-20 | ||
| EP17161777.2 | 2017-03-20 | ||
| PCT/EP2018/055779 WO2018172094A1 (en) | 2017-03-20 | 2018-03-08 | Autoclaving with vacuum bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108966646A true CN108966646A (en) | 2018-12-07 |
Family
ID=58454851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880000730.8A Pending CN108966646A (en) | 2017-03-20 | 2018-03-08 | Pass through the autoclave process of vacuum bag |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108966646A (en) |
| WO (1) | WO2018172094A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114371125A (en) * | 2022-01-27 | 2022-04-19 | 江苏铁锚玻璃股份有限公司 | Method for testing TPU bonding strength |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE532024A (en) | 1953-12-07 | |||
| US4584245A (en) | 1982-06-08 | 1986-04-22 | Asahi Glass Company Ltd. | Laminated safety glass |
| EP0331648A3 (en) | 1988-03-04 | 1989-12-13 | Attilio Borgna | Process for manufacturing laminated glass |
| US20070154705A1 (en) | 2003-05-28 | 2007-07-05 | Christoph Doeppner | Method and device for producing composite elements and composite element |
| EP2647497A1 (en) | 2012-04-03 | 2013-10-09 | Saint-Gobain Glass France | Method for producing a curved composite sheet having a pre-formed polymer film |
| US20150122406A1 (en) | 2012-06-08 | 2015-05-07 | Corning Incorporated | Process for laminating thin glass laminates |
| JP5981648B2 (en) | 2012-06-14 | 2016-08-31 | コーニング インコーポレイテッド | Process for laminating thin glass laminates |
| EP3024650A1 (en) * | 2013-07-22 | 2016-06-01 | E. I. du Pont de Nemours and Company | Multilayer polymeric sheets and light weight laminates produced therefrom |
-
2018
- 2018-03-08 WO PCT/EP2018/055779 patent/WO2018172094A1/en active Application Filing
- 2018-03-08 CN CN201880000730.8A patent/CN108966646A/en active Pending
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| WO2018172094A1 (en) | 2018-09-27 |
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