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US20130316158A1 - Viscoelastic plastic interlayer for vibro-acoustic damping and glazing comprising such an interlayer - Google Patents

Viscoelastic plastic interlayer for vibro-acoustic damping and glazing comprising such an interlayer Download PDF

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Publication number
US20130316158A1
US20130316158A1 US13/495,018 US201213495018A US2013316158A1 US 20130316158 A1 US20130316158 A1 US 20130316158A1 US 201213495018 A US201213495018 A US 201213495018A US 2013316158 A1 US2013316158 A1 US 2013316158A1
Authority
US
United States
Prior art keywords
interlayer
glazing
thick
vibro
laminated glazing
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.)
Abandoned
Application number
US13/495,018
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English (en)
Inventor
Marc Rehfeld
David Fournier
Jean-Philippe Boure
Corinne Payen
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.)
Saint Gobain Glass France SAS
Original Assignee
Saint Gobain Glass France SAS
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 Saint Gobain Glass France SAS filed Critical Saint Gobain Glass France SAS
Assigned to SAINT-GOBAIN GLASS FRANCE reassignment SAINT-GOBAIN GLASS FRANCE ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BOURE, JEAN-PHILIPPE, FOURNIER, DAVID, PAYEN, CORINNE, REHFELD, MARC
Publication of US20130316158A1 publication Critical patent/US20130316158A1/en
Priority to US15/829,547 priority Critical patent/US11712875B2/en
Abandoned legal-status Critical Current

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Classifications

    • 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
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/022—Mechanical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J1/00—Windows; Windscreens; Accessories therefor
    • B60J1/02—Windows; Windscreens; Accessories therefor arranged at the vehicle front, e.g. structure of the glazing, mounting of the glazing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/732—Dimensional properties
    • 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
    • B32B2605/006—Transparent parts other than made from inorganic glass, e.g. polycarbonate glazings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495—Thickness [relative or absolute]
    • Y10T428/24967—Absolute thicknesses specified
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31909—Next to second addition polymer from unsaturated monomers

Definitions

  • the invention relates to a viscoelastic plastic interlayer intended to be incorporated between two sheets of glass to form laminated glazing with vibroacoustic damping properties, intended especially for locomotive machines, in particular a motor vehicle.
  • Noise comfort has been improved over several years now, by treating noise, such as noise from the engine, rolling or suspension noise, either at their source or during their propagation through the air or through solids, by means, for example, of absorbent coatings or elastomeric connecting pieces.
  • the shapes of vehicles have also been modified to improve the penetration in air and to reduce the turbulence, which are themselves sources of noise.
  • Laminated glazing also has other advantages, such as elimination of the risk of projection of fragments in the event of sudden breakage, constituting an effraction retarder.
  • the thickness of the glass sheet intended to be turned facing the exterior of the vehicle is generally 2.1 mm and the thickness of the glass sheet intended to be turned facing the interior of the vehicle is generally 1.6 mm.
  • the tendency is towards lightening motor vehicles in order to reduce their consumption and the induced discharge of CO 2 .
  • One means is to propose lighter motor vehicle glazing.
  • One solution for reducing the weight of glazing is to reduce the thickness of the glass sheets. However, this reduction of thickness results in a degradation of the acoustic properties of the laminated glazing.
  • the invention proposes a viscoelastic plastic interlayer intended to be incorporated between two glass sheets to form a laminated glazing with vibro-acoustic damping properties, the interlayer comprising at least one layer made of viscoelastic plastic with vibro-acoustic damping properties, the interlayer being such that the resonant frequency f 2 of the second resonance mode of a laminated glazing bar with a surface area of 25 mm ⁇ 300 mm composed of two glass sheets each 2.1 mm thick, between which is incorporated the interlayer, determined by measuring the mechanical impedance (MIM) at 20° C. according to standard ISO 16940, is between 760 Hz and 1000 Hz and the loss factor ⁇ 2 of the second resonance mode of the same bar, determined by MIM under the same conditions, is greater than or equal to 0.25.
  • MIM mechanical impedance
  • the layer is based on polyvinyl butyral and plasticizer.
  • the resonant frequency f 2 is between 800 and 900 Hz and preferably between 800 Hz and 850 Hz.
  • the loss factor ⁇ 2 is greater than 0.30.
  • the interlayer also comprises two outer layers made of standard PVB, the layer being between the two outer layers.
  • the measurement of the mechanical impedance is performed at least 1 month after assembling the laminated glazing bar, the laminated glazing bar having itself been assembled at least 1 month after the manufacture of the interlayer.
  • the invention also relates to glazing comprising:
  • the invention also relates to a motor vehicle comprising glazing described above, the glass sheet between 0.5 mm and 2.6 mm thick being turned facing the exterior of the vehicle and the glass sheet between 0.5 mm and 1.6 mm thick being turned facing the interior of the vehicle.
  • the invention also relates to the use of the glazing described above as a motor vehicle windscreen.
  • FIG. 1 shows a curve of the acoustic insulation as a function of the frequency, measured on three windscreens
  • FIG. 2 shows a view in cross section of glazing according to the invention.
  • the invention relates to a viscoelastic plastic interlayer intended to be incorporated between two glass sheets to form laminated glazing with vibro-acoustic damping properties.
  • the interlayer comprises at least one layer made of viscoelastic plastic with vibro-acoustic damping properties.
  • the interlayer is such that the resonant frequency f 2 of the second resonance mode of a laminated glazing bar with a surface area of 25 mm ⁇ 300 mm composed of two glass sheets each 2.1 mm thick, between which is incorporated the interlayer, determined by measuring the mechanical impedance (MIM) at 20° C. according to standard ISO 16940 (with only one difference concerning the thickness of the glass sheets of the bar, which is 2.1 mm instead of 4 mm), is between 760 Hz and 1000 Hz and the loss factor ⁇ 2 of the second resonance mode of the same bar, determined by MIM under the same conditions, is greater than or equal to 0.25.
  • MIM mechanical impedance
  • an interlayer comprising these characteristics makes it possible to obtain thinned laminated glazing whose acoustic performance qualities are equivalent or even superior to those of laminated glazing with standard thicknesses of glass incorporating a known interlayer with improved acoustic properties.
  • the interlayer according to the invention is intended to be incorporated between two glass sheets to form laminated glazing.
  • FIG. 2 shows a view in cross section of glazing according to the invention.
  • the glazing comprises two glass sheets, 1 , 2 between which is inserted the interlayer according to the invention.
  • the solid connection of the interlayer to the glass sheets is made by known means, for example by stacking the glass sheets and the interlayer and by passing the assembly into an autoclave.
  • the glass sheet 1 of the glazing is intended to be turned facing the exterior of the vehicle, whereas the glass sheet 2 is intended to be turned facing the interior of the vehicle.
  • the glass sheet 1 is preferably thicker than the glass sheet 2 such that the glazing affords better protection against external attack (inclement weather, projection of gravel, etc.). Specifically, the thicker the glass, the greater its mechanical strength. However, the thicker the glass is, the heavier it is. A compromise must thus be found between the mechanical strength and the weight of the glazing.
  • the thickness of the glass sheet 1 is, for example, between 0.5 mm and 2.6 mm and preferably between 1.4 mm and 2.0 mm
  • the thickness of the glass sheet 2 is, for example, between 0.5 mm and 1.6 mm and preferably between 1.1 mm and 1.5 mm.
  • the thickness of the glass sheet 1 is generally 2.1 mm and the thickness of the glass sheet 2 is generally 1.6 mm, i.e. a total glass thickness of 3.7 mm.
  • the glazing according to the present invention comprises a total glass thickness strictly less than 3.7 mm, preferably less than or equal to 3.2 mm.
  • the glazing according to the invention may also have a glass sheet 1 1.6 mm thick and a glass sheet 2 1.2 mm thick, or a glass sheet 1 1.4 mm thick and a glass sheet 2 1.1 mm thick.
  • the interlayer is constituted by at least one layer 3 made of viscoelastic plastic with vibro-acoustic damping properties. It is preferably based on polyvinyl butyral and plasticizer.
  • the content and nature of the plasticizer and the degree of acetalization of the polyvinyl butyral make it possible to modify in a known manner the rigidity of a component based on polyvinyl butyral and plasticizer.
  • the interlayer also comprises two layers 4 , 5 , referred to as outer layers, between which is inserted the layer 3 .
  • the outer layers 4 , 5 are preferably made of standard PVB.
  • the layer 3 is less rigid than the outer layers 4 , 5 so as to vibrate correctly to ensure the desired acoustic damping.
  • the interlayer may comprise at least two layers made of viscoelastic plastic with vibro-acoustic damping properties, optionally surrounded by layers of standard PVB.
  • the acoustic characteristics of the interlayer are determined by measuring the mechanical impedance (MIM) at 20° C. according to standard ISO 16940 of a laminated glazing bar with a surface area of 25 mm ⁇ 300 mm composed of two glass sheets each 2.1 mm thick (and not 4 mm thick as recommended in standard ISO 16940), between which is incorporated an interlayer according to the invention, i.e. an interlayer comprising at least one layer of viscoelastic plastic with vibro-acoustic damping properties.
  • MIM mechanical impedance
  • MIM makes it possible to determine the resonant frequencies and the loss factors of the various resonance modes of the laminated glazing bar.
  • the interlayer is in accordance with the invention if the resonant frequency f 2 of the second resonance mode of the laminated glazing bar determined by MIM is between 760 Hz and 1000 Hz and the loss factor ⁇ 2 of the second resonance mode of the laminated glazing bar determined by MIM is greater than or equal to 0.25.
  • the resonant frequency f 2 is between 800 Hz and 900 Hz, which makes it possible to have improved acoustic performance qualities while degrading less the level of weakening of the laminated glazing before the critical frequency. More preferably, the resonant frequency f 2 is between 800 Hz and 850 Hz, which makes it possible to have more improved acoustic performance qualities while degrading even less the level of weakening of the laminated glazing before the critical frequency.
  • FIG. 1 shows a curve of the acoustic insulation as a function of the frequency, measured on three windscreens.
  • the acoustic insulation of a glazing takes into account the acoustic performance qualities that may be observed on a vehicle equipped with the said glazing.
  • a first windscreen (21-16 known) comprises:
  • the first windscreen corresponds to a standard windscreen with a known interlayer with acoustic damping properties.
  • the curve of acoustic insulation (shown as diamonds) of the first windscreen shows a dip at about 6500 Hz.
  • the second windscreen corresponds to a thinned windscreen with an interlayer identical to that of the first windscreen.
  • the curve of acoustic insulation (shown by squares) of the second windscreen shows similar behaviour to that of the first windscreen up to about 5000 Hz, but a dip shifted towards the high frequencies, at about 8000 Hz. This shift in the dip is very troublesome since it implies that this windscreen allows aerial noise to pass at high frequencies that are irritating to the human ear.
  • the curve of acoustic insulation (shown by triangles) of the third windscreen shows behaviour similar to that of the first windscreen, with a dip centred at about 6500 Hz and acoustic insulation values similar to those of the first windscreen.
  • the windscreen with an interlayer according to the invention thus indeed makes it possible to compensate for the acoustic degradation associated with the thinning of the glazing.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Laminated Bodies (AREA)
US13/495,018 2012-05-22 2012-06-13 Viscoelastic plastic interlayer for vibro-acoustic damping and glazing comprising such an interlayer Abandoned US20130316158A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US15/829,547 US11712875B2 (en) 2012-05-22 2017-12-01 Viscoelastic plastic interlayer for vibroacoustic damping and glazing comprising such an interlayer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1254636 2012-05-22
FR1254636A FR2990948B1 (fr) 2012-05-22 2012-05-22 Intercalaire plastique viscoelastique pour un amortissement vibro-acoustique et vitrage comprenant un tel intercalaire

Related Child Applications (1)

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US15/829,547 Active US11712875B2 (en) 2012-05-22 2017-12-01 Viscoelastic plastic interlayer for vibroacoustic damping and glazing comprising such an interlayer

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US (2) US20130316158A1 (es)
EP (1) EP2852495B1 (es)
JP (1) JP6235570B2 (es)
KR (2) KR20200035505A (es)
CN (2) CN109130392A (es)
AR (1) AR092002A1 (es)
AU (3) AU2013265086A1 (es)
BR (1) BR112014027955A2 (es)
CA (1) CA2872325C (es)
EA (1) EA030496B1 (es)
FR (1) FR2990948B1 (es)
MA (2) MA37522A1 (es)
MX (2) MX2014014055A (es)
MY (1) MY170668A (es)
TW (1) TWI577547B (es)
WO (1) WO2013175101A1 (es)
ZA (1) ZA201408260B (es)

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US20160250982A1 (en) * 2015-02-26 2016-09-01 Corning Incorporated Thin laminate structures with enhanced acoustic performance
US20170003503A1 (en) * 2013-12-12 2017-01-05 Saint-Gobain Glass France Thermoplastic film for a laminated-glass pane having a non-linear continuous wedge insert in the vertical direction in some sections
EP3150374A1 (en) * 2015-09-30 2017-04-05 Asahi Glass Company, Limited Laminated glass
US20170210097A1 (en) * 2013-11-27 2017-07-27 Saint-Gobain Glass France Viscoelastic plastic interlayer for vibro-acoustic damping and glazing comprising such an interlayer
US9733173B2 (en) 2010-08-24 2017-08-15 Saint-Gobain Glass France Method for selecting an interlayer for vibroacoustic damping, interlayer and glazing unit comprising such an interlayer
EP3106443A4 (en) * 2014-02-14 2017-08-30 Nippon Sheet Glass Company, Limited Laminated glass
WO2017151345A1 (en) * 2016-03-04 2017-09-08 Solutia Inc. Polymeric interlayers and multiple layer panels made therefrom exhibiting enhanced properties and performance
WO2017151346A1 (en) * 2016-03-04 2017-09-08 Solutia Inc. Polymeric interlayers and multiple layer panels made therefrom exhibiting enhanced properties and performance
US9909304B2 (en) 2015-02-05 2018-03-06 National Gypsum Properties, Llc Sound damping wallboard and method of forming a sound damping wallboard
WO2019006142A1 (en) * 2017-06-28 2019-01-03 Corning Incorporated VEHICLE STRUCTURE AND METHOD FOR CONTROLLING CABIN NOISE
US10234681B2 (en) 2013-12-12 2019-03-19 Saint-Gobain Glass France Thermoplastic film for a laminated-glass pane having a non-linear continuous wedge insert in the vertical and horizontal direction in some sections
US20190210328A1 (en) * 2016-07-22 2019-07-11 Saint-Gobain Glass France Visco-elastic plastic spacer for vibro-acoustic damping and glazing comprising such a spacer
US10350859B2 (en) 2014-12-08 2019-07-16 Saint-Gobain Glass France Composite glass having reduced thickness for a head-up display (HUD)
CN110536875A (zh) * 2017-05-19 2019-12-03 积水化学工业株式会社 夹层玻璃用中间膜和夹层玻璃
US10596784B2 (en) * 2015-09-28 2020-03-24 Sekisui Chemical Co., Ltd. Interlayer for laminated glass and laminated glass
US10656414B2 (en) 2015-06-11 2020-05-19 Saint-Gobain Glass France Projection arrangement for a head-up display (HUD)
US10678050B2 (en) 2015-06-11 2020-06-09 Saint-Gobain Glass France Projection arrangement for a contact analog head-up display (HUD)
US10828872B2 (en) 2016-03-17 2020-11-10 Saint-Gobain Glass France Composite pane having electrically conductive coating for a head-up display
EP3626690A4 (en) * 2017-05-19 2021-03-10 Sekisui Chemical Co., Ltd. INTERMEDIATE FILM FOR LAMINATED GLASS AND LAMINATED GLASS
US11559968B2 (en) 2018-12-06 2023-01-24 Gold Bond Building Products, Llc Sound damping gypsum board and method of constructing a sound damping gypsum board
US11772372B2 (en) 2020-06-05 2023-10-03 Gold Bond Building Products, Llc Sound damping gypsum board and method of constructing a sound damping gypsum board

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FR3013630B1 (fr) * 2013-11-27 2017-04-28 Saint Gobain Vitrage feuillete destine a etre utilise comme ecran de systeme de visualisation tete haute
FR3013632B1 (fr) * 2013-11-27 2017-04-28 Saint Gobain Intercalaire plastique viscoelastique pour un amortissement vibro-acoustique et vitrage comprenant un tel intercalaire
CN103770799B (zh) 2014-02-24 2016-08-17 中国建筑材料科学研究总院 一种高速机车挡风玻璃及其制备方法
FR3034500A1 (fr) 2015-04-03 2016-10-07 Saint Gobain Vitrage lumineux de vehicule automobile et vehicule automobile avec un tel vitrage
MA45361A (fr) 2016-05-26 2019-04-10 Saint Gobain Toit vitre feuillete lumineux de vehicule, vehicule l'incorporant et fabrication
FR3051726B1 (fr) 2016-05-26 2019-07-12 Saint-Gobain Glass France Toit vitre feuillete lumineux de vehicule, vehicule l'incorporant et fabrication
MA45342A (fr) 2016-05-26 2019-04-10 Saint Gobain Toit vitre feuillete lumineux de vehicule, vehicule l'incorporant et fabrication
CN109789684A (zh) 2016-10-11 2019-05-21 可乐丽欧洲有限责任公司 具有高增塑剂含量的基于聚乙烯醇缩醛的多层膜
FR3074090B1 (fr) 2017-11-30 2019-11-15 Saint-Gobain Glass France Vitrage de vehicule a signalisation lumineuse externe, vehicule l'incorporant et fabrication.
FR3074117B1 (fr) 2017-11-30 2020-12-04 Saint Gobain Vitrage de vehicule a signalisation lumineuse externe, vehicule l'incorporant et fabrication.
FR3074118B1 (fr) 2017-11-30 2020-12-11 Saint Gobain Toit vitre lumineux de vehicule, vehicule l'incorporant et fabrication.
FR3077219B1 (fr) 2018-01-31 2020-06-26 Saint-Gobain Glass France Vitrage feuillete a dispositif electrocommandable et fabrication
FR3077229A1 (fr) 2018-01-31 2019-08-02 Saint-Gobain Glass France Vitrage feuillete a dispositif electrocommandable et fabrication
FR3084355B1 (fr) 2018-07-27 2023-05-19 Saint Gobain Substrat emaille, dispositif vitre lumineux automobile avec un tel substrat et sa fabrication.
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AU2018217202B2 (en) 2019-04-18
US11712875B2 (en) 2023-08-01
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JP2015525185A (ja) 2015-09-03
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EP2852495B1 (fr) 2024-08-21
US20180079179A1 (en) 2018-03-22
WO2013175101A1 (fr) 2013-11-28
ZA201408260B (en) 2020-11-25
KR102292301B1 (ko) 2021-08-24
TWI577547B (zh) 2017-04-11
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BR112014027955A2 (pt) 2017-06-27
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