CA3158334A1 - Vitrage feuillete a resistance amelioree a des types d'impacts relativement ponctuels - Google Patents
Vitrage feuillete a resistance amelioree a des types d'impacts relativement ponctuels Download PDFInfo
- Publication number
- CA3158334A1 CA3158334A1 CA3158334A CA3158334A CA3158334A1 CA 3158334 A1 CA3158334 A1 CA 3158334A1 CA 3158334 A CA3158334 A CA 3158334A CA 3158334 A CA3158334 A CA 3158334A CA 3158334 A1 CA3158334 A1 CA 3158334A1
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- Prior art keywords
- equal
- laminated glazing
- thickness
- glazing according
- glass
- 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.)
- Pending
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- B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
- B32B17/10899—Making laminated safety glass or glazing; Apparatus therefor by introducing interlayers of synthetic resin
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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
- B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Joining Of Glass To Other Materials (AREA)
- Laminated Bodies (AREA)
Abstract
Description
vitrage chauffant tels que les avions d'affaire (en anglais business jets ), les avions régionaux du type commercialisés par la Société ATR par exemple, les avions commerciaux, moyen, long courrier...
fonction principalement mécanique (résistance aux efforts de pression et au choc aux plus gros oiseaux) associé tel que par feuilletage à une feuille (ou pli) telle que de verre assurant l'interface avec l'extérieur de l'avion. Cette feuille grâce à
une fonction chauffante permet de prévenir l'apparition de givre en vol ; il doit également résister aux essuie-glaces et au sablage.
Cette contrainte empêche de réduire l'épaisseur de ce verre extérieur qui est typiquement de 3 mm. Cependant, réduire cette épaisseur peut permettre de réduire la masse des vitrages.
comprenant un substrat transparent structural collé à une feuille de verre d'épaisseur comprise entre 0,5 et 4 mm, destinée à constituer une surface extérieure du vitrage feuilleté, par l'intermédiaire d'une couche adhésive intercalaire d'épaisseur comprise entre 4 et 10 mm, caractérisé en ce que la couche adhésive intercalaire comprend successivement une épaisseur comprise entre 025 et 2,5 mm d'un premier matériau polymère souple ayant un module de relaxation au plus égal à 2 GPa pour des temps de relaxation au moins égaux à
min, à des températures au moins égales à -40 C, en contact avec la feuille de verre, puis une épaisseur d'un second matériau polymère raide ayant un module de relaxation au moins égal à 4 GPa, pour des constantes de temps au plus égales à 0,1 milliseoonde et des températures au plus égales à 40 C
(conditions représentatives d'un impact de type grêle sur avion).
chimique, notamment sodocalcique ou aluminosilicate, ou est trempée thermiquement.
Cette disposition assouplit la périphérie du vitrage (zone la plus soumise aux températures froides), de manière à améliorer la fiabilité. Une telle encapsulation des interfaces entre matériaux polymères raide et souple limite les risques de délaminage. De plus, de l'espace est ainsi libéré pour faire cheminer des éléments de connectique.
conforme à l'invention.
selon l'invention dont la feuille de verre extérieure et le matériau polymère raide sont en retrait par rapport au substrat transparent structural, de sorte à ne pas faire partie de rattachement du vitrage feuilleté.
la carlingue d'un avion.
l'autre par une couche 6 de PVB de 2,28 mm d'épaisseur, cette épaisseur pouvant être en général comprise entre 1,5 et 3 mm.
2,5, respectivement 0,25 à 5 mm d'épaisseur. Le module de relaxation du PIVIIVIA
5 pour des constantes de temps au plus égales à 0,1 milliseconde et des températures au plus égales à 40 C, est compris entre 6 et 7 GPa, le module de relaxation du TPU pour des temps de relaxation au moins égaux à 10 min, à des températures au moins égales à -40 C, est de 1 GPa.
Dénomination Pli Structural Verre exposé
Intercalaire(mm) Verre externe du vitrage à la grêle PMMA(mm) J + Intercalaire Intercalaire(mm) PMMA
(mm) Standard Verre 8 mm 2,8 mm serni 7,2/010 10,0 , trempé
Allégé Verre 8 mrn 1,6 mrn RC
7,2/0/0 8,8 Renforcé Verre 8 mm 2,8 mm semi 1,25/45/1,25 9,8 trempé
Renforcé Verre 8 mm 1,6 mm RC
1,25/6/1,25 10,1 allégé
PMMA PMMA 18 mm 1,6 mm RC
1,25/0/0 2,85 renforcé
- le vitrage allégé par des ronds blancs, - le vitrage renforcé par des carrés noirs, - le vitrage renforcé allégé par des carrés blancs, et - le vitrage PMMA renforcé par des triangles gris.
aérodynamique avec le presse glace 7, dont l'épaisseur est elle-même conditionnée par le besoin de supporter les efforts de pressurisation. Le matériau de la feuille de verre 2 assure la résistance à l'abrasion, et la possibilité
de supporter des couches chauffantes à fonction antigivre à base d'ITO (oxyde d'indium dopé à l'étain). La couche intercalaire 3 est donc constituée de trois couches de matériau polymère, de densité 2,5 fois inférieure à celle du verre 2.
Dans un but d'allègement, il est avantageux de minimiser l'épaisseur de la feuille de verre 2, et donc d'augmenter l'épaisseur de la couche intercalaire 3. Pour augmenter la résistance à la grêle, l'invention met en oeuvre une couche intercalaire complexe comme décrit précédemment, dans laquelle il importe en particulier que la couche de matériau polymère souple 4a ne soit pas trop épaisse.
Claims
[Revendication 2] Vitrage feuilleté selon la revendication 1, caractérisé en ce que 40 à 90 % de l'épaisseur de la couche adhésive intercalaire (3) sont constitués de dit second matériau polymère (5) raide, et 10 à 60 % de cette épaisseur sont constitués de dit premier matériau polymère (4a, 4b) souple.
[Revendication 3] Vitrage feuilleté selon rune des revendications précédentes, caractérisé en ce qu'une épaisseur (4b) de dit premier matériau polymère souple est intercalée entre et en contact avec l'épaisseur (5) de dit second matériau polymère raide et le substrat transparent structural (1).
[Revendication 4] Vitrage feuilleté selon rune des revendications précédentes, caractérisé en ce que le module de relaxation du dit premier matériau polymère (4a, 4b) est au plus égal à 0,5 GPa pour des temps de relaxation au moins égaux à 10 min, à des températures au moins égales à -40 C.
[Revendication 5] Vitrage feuilleté selon rune des revendications précédentes, caractérisé en ce que le module élastique du dit second matériau polymère (5) est au moins égal à 5 GPa, pour des constantes de temps au plus égales à 0,1 milliseconde et des températures au plus égales à
40 C.
[Revendication 6] Vitrage feuilleté selon rune des revendications précédentes, caractérisé en ce que répaisseur de la feuille de verre (2) est comprise entre 1,5 et 3 mm.
[Revencfication 7] Vitrage feuilleté selon rune des revendications précédentes, caractérisé en ce que la feuille de verre (2) est constituée de verre renforcé chimique, notamment sodocalcique ou aluminosilicate, ou est trempée thermiquement.
[Revendication 8] Vitrage feuilleté selon rune des revendications précédentes, caractérisé en ce que le substrat transparent structural (1) comprend au moins une feuille de verre ou plusieurs feuilletées (la, 1 b), notamment aluminosilicate ou sodocalcique, dont l'une au moins peut être renforcée chimique.
[Revendication 9] Vitrage feuilleté selon l'une des revendications précédentes, caractérisé en ce que ledit premier matériau polymère (4a, 4b) est choisi parmi un polyuréthane thermoplastique (TPU), polyvinylbutyral (PVB), éthylène ¨ acétate de vinyle (EVA) seul ou en mélange ou copolymère de plusieurs d'entre eux.
[Revendication 10] Vitrage feuilleté selon rune des revendications précédentes, caractérisé en ce que ledit second matériau polymère (5) est choisi parmi un poly(méthacrylate de méthyle) (PMMA), polycarbonate (PC), polyuréthane (PU), polyester tel que poly(téréphtalate d'éthylène) (PET) seul ou en mélange ou copolymère de plusieurs d'entre eux.
[Revendication 11] Vitrage feuilleté selon l'une des revendications précédentes, caractérisé en ce que ledit second matériau polymère (5) raide est en retrait par rapport aux bords de ladite feuille de verre (2).
[Revendication 12] Vitrage feuilleté selon rune des revendications précédentes, caractérisé en ce que la feuille de verre (2) et le matériau polymère (5) raide sont en retrait par rapport au substrat transparent structural (1 ; la, 6, lb), de sorte à ne pas faire partie de rattachement du vitrage feuilleté.
[Revendication 13] Application d'un vitrage feu leté selon l'une des revendications précédentes comme vitrage pour un véhicule aérien, terrestre ou aquatique, ou pour le bâtiment.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FRFR1912943 | 2019-11-20 | ||
| FR1912943A FR3103137B1 (fr) | 2019-11-20 | 2019-11-20 | Vitrage feuilleté à résistance améliorée à des types d’impacts relativement ponctuels |
| PCT/FR2020/052122 WO2021099740A1 (fr) | 2019-11-20 | 2020-11-18 | Vitrage feuillete a resistance amelioree a des types d'impacts relativement ponctuels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA3158334A1 true CA3158334A1 (fr) | 2021-05-27 |
Family
ID=69743391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3158334A Pending CA3158334A1 (fr) | 2019-11-20 | 2020-11-18 | Vitrage feuillete a resistance amelioree a des types d'impacts relativement ponctuels |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US12059869B2 (fr) |
| EP (1) | EP4061628A1 (fr) |
| KR (1) | KR20220102627A (fr) |
| CN (1) | CN114650909A (fr) |
| CA (1) | CA3158334A1 (fr) |
| FR (1) | FR3103137B1 (fr) |
| IL (1) | IL293147A (fr) |
| WO (1) | WO2021099740A1 (fr) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1027377B (it) * | 1974-04-01 | 1978-11-20 | Ppg Industries Inc | Parabrezza laminato per aerei |
| GB9011855D0 (en) * | 1990-05-26 | 1990-07-18 | Triplex Aircraft | Aircraft windshield |
| GB2260512A (en) * | 1991-10-16 | 1993-04-21 | Triplex Aircraft And Special P | Laminated window |
| DE19529449A1 (de) * | 1995-08-10 | 1997-02-20 | Flachglas Automotive Gmbh | Verbundglasscheibe |
| JP6466917B2 (ja) * | 2013-04-22 | 2019-02-06 | コーニング インコーポレイテッド | 強いガラス/ポリマー中間層接着力を有する合わせガラス構造 |
| FR3029836B1 (fr) * | 2014-12-11 | 2016-12-23 | Saint Gobain | Feuillete d'une feuille de materiau polymere epais et d'une feuille de verre mince |
| FR3031065B1 (fr) * | 2014-12-29 | 2019-08-30 | Saint-Gobain Glass France | Vitrage feuillete a feuille de verre mince anti-eclat |
-
2019
- 2019-11-20 FR FR1912943A patent/FR3103137B1/fr active Active
-
2020
- 2020-11-18 US US17/778,279 patent/US12059869B2/en active Active
- 2020-11-18 KR KR1020227019136A patent/KR20220102627A/ko not_active Ceased
- 2020-11-18 IL IL293147A patent/IL293147A/en unknown
- 2020-11-18 CN CN202080080442.5A patent/CN114650909A/zh active Pending
- 2020-11-18 EP EP20821342.1A patent/EP4061628A1/fr active Pending
- 2020-11-18 CA CA3158334A patent/CA3158334A1/fr active Pending
- 2020-11-18 WO PCT/FR2020/052122 patent/WO2021099740A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP4061628A1 (fr) | 2022-09-28 |
| US20220388280A1 (en) | 2022-12-08 |
| WO2021099740A1 (fr) | 2021-05-27 |
| US12059869B2 (en) | 2024-08-13 |
| KR20220102627A (ko) | 2022-07-20 |
| IL293147A (en) | 2022-07-01 |
| BR112022009677A2 (pt) | 2022-08-16 |
| CN114650909A (zh) | 2022-06-21 |
| FR3103137A1 (fr) | 2021-05-21 |
| FR3103137B1 (fr) | 2023-08-18 |
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