DE102009021938A1 - Laminated glass pane useful as motor vehicle glass pane or wall cladding, comprises a plastic plate made of transparent plastic, and a glass layer that is tightly connected with the plastic plate - Google Patents

Laminated glass pane useful as motor vehicle glass pane or wall cladding, comprises a plastic plate made of transparent plastic, and a glass layer that is tightly connected with the plastic plate Download PDF

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Publication number
DE102009021938A1
DE102009021938A1 DE200910021938 DE102009021938A DE102009021938A1 DE 102009021938 A1 DE102009021938 A1 DE 102009021938A1 DE 200910021938 DE200910021938 DE 200910021938 DE 102009021938 A DE102009021938 A DE 102009021938A DE 102009021938 A1 DE102009021938 A1 DE 102009021938A1
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DE
Germany
Prior art keywords
glass
plastic plate
layer
plastic
glass pane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
DE200910021938
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German (de)
Inventor
Siegfried Nyssen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nyssen Siegfried Dr
Original Assignee
Nyssen Siegfried Dr
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nyssen Siegfried Dr filed Critical Nyssen Siegfried Dr
Priority to DE200910021938 priority Critical patent/DE102009021938A1/en
Publication of DE102009021938A1 publication Critical patent/DE102009021938A1/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14778Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2709/00Use of inorganic materials not provided for in groups B29K2703/00 - B29K2707/00, for preformed parts, e.g. for inserts
    • B29K2709/08Glass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/0026Transparent
    • 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
    • B32B2309/00Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/08Dimensions, e.g. volume
    • B32B2309/10Dimensions, e.g. volume linear, e.g. length, distance, width
    • B32B2309/105Thickness
    • 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
    • B32B2315/00Other materials containing non-metallic inorganic compounds not provided for in groups B32B2311/00 - B32B2313/04
    • B32B2315/08Glass
    • 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
    • B32B2605/006Transparent parts made from plastic material, e.g. windows
    • 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
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/04Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the partial melting of at least one layer
    • 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
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives

Abstract

The laminated glass pane (1) comprises a plastic plate (2) made of transparent plastic, and a glass layer (3, 4) that is tightly connected with the plastic plate. The glass layer is thinner than the plastic plate. The glass layer is a glass film with a thickness of 0.2 mm and is directly connected with the plastic plate without intermediate layer, where two external glass films are equipped on opposite sides of the plastic plate. Each glass film has a thickness of 0.02-0.1 mm and the plastic plate has a thickness of 1-10 mm. The laminated glass pane (1) comprises a plastic plate (2) made of transparent plastic, and a glass layer (3, 4) that is tightly connected with the plastic plate. The glass layer is thinner than the plastic plate. The glass layer is a glass film with a thickness of 0.2 mm and is directly connected with the plastic plate without intermediate layer, where two external glass films are equipped on opposite sides of the plastic plate. Each glass film has a thickness of 0.02-0.1 mm and the plastic plate has a thickness of 1-10 mm. The plastic plate is constructed from a carrier layer and a transition layer equipped on the side of the glass film. The carrier layer has a stiffness increased against the transition layer, which has an adhesive strength for glass increased against the carrier layer. An independent claim is included for a method for the production of a spatially formed two- or three-layered laminated glass pane.

Description

  • The The invention relates to a laminated glass pane, in particular for use as a vehicle window or facade cladding, consisting of a Plastic sheet of transparent plastic and at least a glass layer, which is firmly connected to the plastic plate, wherein the glass layer is thinner than the plastic plate.
  • Such a laminated glass pane intended for use in vehicles is already known (US Pat. DE 44 15 878 C2 ). This known laminated glass pane is formed in three layers with two glass layers, between which the plastic plate is arranged. The plastic core supports the two glass layers, so that despite their small thickness between 0.2 and 1.5 mm, the laminated glass has a certain strength. In addition, the laminated glass is much lighter than a corresponding glass of pure glass. However, the surface properties are largely those of a glass sheet.
  • at the known disc are the glass layers with the plastic core over a two-component silicone rubber connected as a stress-balancing Adhesive layer between the plastic plate and the respective glass layer was formed. Accordingly, the glass layers are supported not directly on the plastic core. The compliance of the silicone Conditionally a risk of breakage of the glass layers at local Stress, for example by rockfall. This danger can only be met by a minimum thickness of the glass layers, which limits the weight savings in the known composite disc. Furthermore, the known laminated glass pane can be used do not spatially deform with their glass layers, what kind of certain applications would be desirable.
  • Accordingly The invention is based on the object, a laminated glass pane with improved properties and extended application possibilities to accomplish.
  • These Task is - starting from the above-described Laminated glass pane according to the invention by solved that the glass layer a glass sheet of maximum 0.2 mm thickness and connected directly without intermediate layer with the plastic plate is.
  • The especially thin glass foil leads to an additional Reduction of the basis weight of the disc, wherein the direct support of the glass sheet through the plastic core for good strength properties and resistance to breakage even with punctiform load, for example, by stone chipping provides. In addition, a spatial shape or deformation the laminated glass possible, whereupon subsequently will be discussed in more detail.
  • The simplest and cheapest embodiment of the invention is a two-layered laminated glass pane made of a plastic plate and from a glass slide. That can be for certain use cases already sufficient. For many other applications, in which both sides of the disk are claimed accordingly, is On the other hand, a three-layer laminated glass pane is suitable, with two outer ones Glass foils on opposite sides of the plastic plate are provided.
  • Prefers the or each glass sheet is between 0.02 and 0.1 mm thick. The plastic plate can between 1 mm and 10 mm thick and made of polycarbonate, polyacrylic or a cyclo-olefin copolymer.
  • at an expedient development is the plastic plate from a carrier layer and at least one on the Constructed side of the glass sheet provided transition layer wherein the carrier layer is one opposite the transition layer increased stiffness and the transition layer one increased adhesion to the carrier layer for glass. So can be synonymous with a total thin and lightweight laminated glass a the load capacity increasing support of the glass foils on the one hand and a particularly good connection between the layers of the laminated glass pane on the other hand.
  • The invention also relates to methods for producing the laminated glass pane according to the invention:
    In a preferred method, the glass sheet is connected by thermal lamination with the plastic plate. Alternatively, it is also possible to connect the glass sheet by cold bonding with the plastic plate.
  • The Laminated glass according to the invention is suitable especially for a spatial shaping. The spatial shaping can already be part of the production of the network. For this, the glass sheet is cut, in one of two mold halves introduced and heated, followed by closing the mold halves molten plastic is injected into the mold inside of the glass sheet. This After solidification, plastic forms the plastic core of the laminated glass pane. This method can when using appropriate mold halves with flat mold surfaces of course also for the production flat laminated glass panes are applied.
  • In the same way is the manufacture len of a spatially shaped three-layer laminated glass with two sheets of glass, including the glass sheets are cut and each introduced into another of two mold halves and heated and injected after closing the mold halves molten plastic in the mold between the glass sheets.
  • alternative the laminated glass can also be subsequently spatially be formed. For this purpose, a softening temperature of at most 300 ° C having applied glass sheet on a flat plastic disc and then the flat laminated glass pane becomes thermally spatially deformed. Expediently, glass foils are used with a softening temperature between 200 ° C and 250 ° C used.
  • The The invention will be described below with reference to a schematic drawing explained in more detail. Show it:
  • 1 a cross section through a three-layer laminated glass with a single-layer plastic sheet; and
  • 2 a cross section through a laminated glass with a three-layer plastic plate.
  • According to 1 is a three-layer laminated glass pane 1 provided a core in the form of a transparent plastic plate 2 which is on opposite sides of two glass sheets 3 and 4 is covered. The glass foils 3 and 4 are stuck with the plastic plate 2 connected. They determine the surface properties of the laminated glass pane 1 and be through the plastic plate 2 supported directly and without a flexible intermediate layer. Therefore, particularly thin glass foils can be selected without an unacceptable risk of breakage. For example, the glass sheets 3 and 4 each only 0.05 mm thick, while the plastic plate 2 , which may consist of a cyclo-olefin copolymer, for example, may be 6 mm thick. Such a laminated glass pane 1 has a comparatively very low basis weight and is therefore easy to handle.
  • The connection of the layers 2 to 4 can be achieved by thermal lamination of the glass sheets 3 and 4 on the plastic plate 2 respectively. Furthermore, a cold gluing is considered. It is also possible, as already described, to mold the plastic sheet between the glass sheets.
  • In the figures, the composite disc is shown as a flat disc. However, it can also be spatially shaped. This may expediently not of a rigid plastic plate but of molten one Plastic are assumed, between each in one the desired curvature corresponding mold half introduced and heated glass sheets is injected. Thereby can the thin glass sheets deform to a limited extent, so that one of the mold halves spatially corresponding formed laminated glass arises.
  • alternative a spatial laminated glass pane can also be produced in this way be that the initially flat laminated glass thermal-spatial is deformed. For this, the glass sheets should have a low softening temperature in the range between 200 ° C and 250 ° C.
  • 2 shows a modified laminated glass pane 5 with a plastic plate 6 that of glass foils 7 and 8th flanked. Deviating from 1 The plastic plate is constructed in three layers. It consists of an inner carrier layer 9 and two enclosing transition layers 10 and 11 , In this embodiment, different plastics can be selected for the carrier layer on the one hand and for the transition layers on the other hand, on the one hand a good adhesion of the glass sheets 7 and 8th at the transition layer 10 respectively. 11 to achieve and on the other hand by the choice of the plastic of the carrier layer 9 for the desired strength properties of the laminated glass pane 5 to care. Again, the illustrated laminated glass pane 5 symmetrically constructed. Both the glass foils 7 and 8th as well as the transitional layers 10 and 11 are each the same thickness.
  • QUOTES INCLUDE IN THE DESCRIPTION
  • This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
  • Cited patent literature
    • - DE 4415878 C2 [0002]

Claims (12)

  1. Laminated glass pane, in particular for use as a vehicle window or facade cladding, consisting of a plastic panel ( 2 ; 6 ) made of transparent plastic and at least one glass layer ( 3 . 4 ; 7 . 8th ), with the plastic plate ( 2 ; 6 ), whereby the glass layer ( 3 . 4 ; 7 . 8th ) thinner than the plastic plate ( 2 ; 6 ), characterized in that the glass layer ( 3 . 4 ; 7 . 8th ) is a glass foil of maximum 0.2 mm thickness and directly without intermediate layer with the plastic plate ( 2 ; 6 ) connected is.
  2. Laminated glass pane according to claim 1, characterized in that two outer glass foils ( 3 . 4 ; 7 . 8th ) on opposite sides of the plastic plate ( 2 ; 6 ) are provided.
  3. Laminated glass pane according to claim 1 or 2, characterized in that each glass sheet ( 3 . 4 ; 7 . 8th ) is between 0.02 and 0.1 mm thick.
  4. Laminated glass pane according to one of claims 1 to 3, characterized in that the plastic plate ( 2 ; 6 ) is between 1 and 10 mm thick.
  5. Laminated glass pane according to one of claims 1 to 4, characterized in that the plastic plate ( 2 ; 6 ) consists of polycarbonate, polyacrylic or a cyclo-olefin copolymer.
  6. Laminated glass pane according to one of claims 1 to 5, characterized in that the plastic plate ( 6 ) from a carrier layer ( 9 ) and at least one on the side of the glass sheet ( 7 . 8th ) transition layer ( 10 . 11 ), wherein the carrier layer ( 9 ) one opposite the transition layer ( 10 . 11 ) increased rigidity and the transition layer ( 10 . 11 ) one opposite the carrier layer ( 9 ) have increased adhesion to glass.
  7. Method for producing a laminated glass pane according to one of Claims 1 to 6, characterized in that the glass sheet ( 3 . 4 ; 7 . 8th ) by thermal lamination with the plastic plate ( 2 ; 6 ) is connected.
  8. Method for producing a laminated glass pane according to one of Claims 1 to 6, characterized in that the glass sheet ( 3 . 4 ; 7 . 8th ) by cold gluing with the plastic plate ( 2 ; 6 ) is connected.
  9. Method for producing a spatially shaped two-layer laminated glass pane according to claim 1, characterized in that the glass sheet ( 3 . 4 ), is placed in one of two mold halves and heated and that after closing the mold halves molten plastic in the mold inside of the glass sheet ( 3 . 4 ) is injected.
  10. Method for producing a spatially shaped three-layer laminated glass pane according to claim 2, characterized in that the glass foils ( 3 . 4 ) and each introduced into another of two mold halves and heated and that after closing the mold halves molten plastic in the mold between the glass sheets ( 3 . 4 ) is injected.
  11. A method for producing a spatially-shaped laminated glass pane according to one of claims 1 to 6, characterized in that the glass sheet having a softening temperature of at most 300 ° C ( 3 . 4 ; 7 . 8th ) on a flat plastic plate ( 2 ; 6 ) is applied and then the flat laminated glass pane ( 1 ; 5 ) is thermally deformed spatially.
  12. A method according to claim 11, characterized in that a glass sheet ( 3 . 4 ; 7 . 8th ) is used with a softening temperature between 200 ° C and 250 ° C.
DE200910021938 2009-05-19 2009-05-19 Laminated glass pane useful as motor vehicle glass pane or wall cladding, comprises a plastic plate made of transparent plastic, and a glass layer that is tightly connected with the plastic plate Withdrawn DE102009021938A1 (en)

Priority Applications (1)

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DE200910021938 DE102009021938A1 (en) 2009-05-19 2009-05-19 Laminated glass pane useful as motor vehicle glass pane or wall cladding, comprises a plastic plate made of transparent plastic, and a glass layer that is tightly connected with the plastic plate

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Application Number Priority Date Filing Date Title
DE200910021938 DE102009021938A1 (en) 2009-05-19 2009-05-19 Laminated glass pane useful as motor vehicle glass pane or wall cladding, comprises a plastic plate made of transparent plastic, and a glass layer that is tightly connected with the plastic plate

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010037150A1 (en) * 2010-08-25 2012-03-01 Schott Ag Transparent composite material for safety glazing in machines comprises at least three layers with an inner transparent plastic layer and two outer layers whose material is made of glass or transparent glass ceramic
DE102012009788A1 (en) 2012-05-18 2013-11-21 Schott Ag Composite material for motor vehicles and aircraft components, has non-inorganic glass as core material and layer (s) arranged on core material and containing inorganic glass
WO2014133923A1 (en) * 2013-02-26 2014-09-04 Corning Incorporated Methods of forming shape-retaining flexible glass-polymer laminates
WO2014133925A1 (en) * 2013-02-27 2014-09-04 Corning Incorporated Methods and structures for reducing biaxial bending and/or twisting of flexible glass substrates
DE102013214422A1 (en) 2013-07-24 2015-01-29 Schott Ag Composite element and its use
DE102013214426A1 (en) 2013-07-24 2015-01-29 Schott Ag Composite element and its use
DE102015219094A1 (en) * 2015-10-02 2017-04-06 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Bamberg Motor vehicle window pane and method for its production

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1629350A1 (en) * 1966-02-16 1971-05-19 Deutsche Spiegelglas Ag With coating provided, scratch resistant, chemically and mechanically widerstandsfaehige plastic disc
DE4406097A1 (en) * 1994-02-25 1995-08-31 Dornier Gmbh Glazing
DE4415878C2 (en) 1994-05-05 1996-08-14 Bayerische Motoren Werke Ag Laminated glass pane, in particular for vehicles
US6296799B1 (en) * 1996-04-22 2001-10-02 Komatsu Ltd Plate-like composite material and method of producing the same
DE69923155T2 (en) * 1999-01-27 2006-01-05 Ford Global Technologies, LLC, Dearborn Process for the production of lightweight glazings using multilayer glass / plastic composites

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1629350A1 (en) * 1966-02-16 1971-05-19 Deutsche Spiegelglas Ag With coating provided, scratch resistant, chemically and mechanically widerstandsfaehige plastic disc
DE4406097A1 (en) * 1994-02-25 1995-08-31 Dornier Gmbh Glazing
DE4415878C2 (en) 1994-05-05 1996-08-14 Bayerische Motoren Werke Ag Laminated glass pane, in particular for vehicles
US6296799B1 (en) * 1996-04-22 2001-10-02 Komatsu Ltd Plate-like composite material and method of producing the same
DE69923155T2 (en) * 1999-01-27 2006-01-05 Ford Global Technologies, LLC, Dearborn Process for the production of lightweight glazings using multilayer glass / plastic composites

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010037150A1 (en) * 2010-08-25 2012-03-01 Schott Ag Transparent composite material for safety glazing in machines comprises at least three layers with an inner transparent plastic layer and two outer layers whose material is made of glass or transparent glass ceramic
DE102010037150B4 (en) * 2010-08-25 2015-12-17 Schott Ag Transparent composite material for safety glazing and a method for its production
DE102012009788A1 (en) 2012-05-18 2013-11-21 Schott Ag Composite material for motor vehicles and aircraft components, has non-inorganic glass as core material and layer (s) arranged on core material and containing inorganic glass
WO2014133923A1 (en) * 2013-02-26 2014-09-04 Corning Incorporated Methods of forming shape-retaining flexible glass-polymer laminates
US10065406B2 (en) 2013-02-26 2018-09-04 Corning Incorporated Methods of forming shape-retaining flexible glass-polymer laminates
JP2016517380A (en) * 2013-02-26 2016-06-16 コーニング インコーポレイテッド Shape-retaining flexible glass-polymer laminate molding method
WO2014133925A1 (en) * 2013-02-27 2014-09-04 Corning Incorporated Methods and structures for reducing biaxial bending and/or twisting of flexible glass substrates
DE102013214422A1 (en) 2013-07-24 2015-01-29 Schott Ag Composite element and its use
DE102013214426A1 (en) 2013-07-24 2015-01-29 Schott Ag Composite element and its use
US10532946B2 (en) 2013-07-24 2020-01-14 Schott Ag Composite element and use thereof
DE102015219094A1 (en) * 2015-10-02 2017-04-06 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Bamberg Motor vehicle window pane and method for its production

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