JP2018527216A - 冷間形成積層体 - Google Patents
冷間形成積層体 Download PDFInfo
- Publication number
- JP2018527216A JP2018527216A JP2018500617A JP2018500617A JP2018527216A JP 2018527216 A JP2018527216 A JP 2018527216A JP 2018500617 A JP2018500617 A JP 2018500617A JP 2018500617 A JP2018500617 A JP 2018500617A JP 2018527216 A JP2018527216 A JP 2018527216A
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- JP
- Japan
- Prior art keywords
- substrate
- glass
- glass substrate
- thickness
- laminate
- 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.)
- Granted
Links
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Images
Classifications
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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Abstract
Description
10×10μmの面積にわたって有する。表面粗度は、例示的実施形態では10×10μm、またはいくつかの実施形態では15×15μmの面積にわたって測定することができる。
アルミノシリケートガラス組成物から形成された355.6mmの直径および0.7mmの厚さを有するガラス基板(「GG」と標識)を、SLGから形成された同じ直径および1.6mmの厚さを有するガラス基板(「SLG」と標識)とスタックに組み立てた。厚さ1.6mmの基板は球状でしたがって複雑に湾曲した形状を有していた。スタックを真空バッグ中に入れ、これを次にオートクレーブに入れ、厚さ0.7mmの基板を冷間成形して厚さ1.6mmの基板とした。基板および結果として得られる積層体の形状を、一般的なモーションプラットフォームとあわせて使用するMicro−Epsilonから入手可能な共焦点センサーによって測定した。どの場合も、基板(積層前)または積層体を一般的なモーションプラットフォーム上に置いた。プラットフォームはx−y位置を制御しモニターする。共焦点センサーは基板(積層前)または積層体のプラットフォームの平面からの変位を測定する。プラットフォームからの変位対x−y位置のマップは、基板(積層前)または積層体の形状を規定する。図3は測定結果のグラフである。積層後、両基板は同じ形状を有し、当初平坦な基板がより厚くより硬質な基板の球状の形状に適合できることを示した。
アルミノシリケートガラス組成物を含む237mm×318mm×0.7mmの長さ、幅および厚さ寸法を有する平坦な基板を複雑に湾曲した基板と組み立ててスタックにした。複雑に湾曲した基板は平坦な基板と同じ長さおよび幅の寸法を有していたが、2.1mmの厚さを有し、SLG組成物を含んでいた。厚さ2.1mmの基板は中央たるみ深さ(縁部から中心までの曲率の合計深さ)が6.75mmであることを示した。スタックを真空バッグに入れ、平坦な基板を冷間成形して複雑に湾曲した形状のSLG基板とした。結果として得られる積層体の光学特性を、様々な角度で積層体を通して「ゼブラボード」を見るASTM規格C1036−06にしたがって透過光学系(transmitted optics)を使用して測定した。ゼブラボードは、一連の黒と白の斜めのストライプ(すなわち、幅25mmの白色ストライプによって隔てられた幅25mmの黒色ストライプ)から構成されていた。透過光学系の品質は、積層体を通してみた場合のストライプのひずみの程度を観察することによって評価する。中央透明部分の透過光学的ひずみは冷間成形プロセスに起因する劣化の兆候を示さなかった。積層体の周辺で低レベルのひずみが検出されたが、周辺上の化粧バンドのために裸眼では見えなかった。
237mm×318mm×0.55mmの長さ、幅および厚さ寸法を有し、アルミノシリケートガラス組成物を含む平坦な基板を複雑に湾曲した基板と組み合立てた。複雑に湾曲した基板は平坦な基板と同じ長さおよび幅寸法を有していたが、1.6mmの厚さを有し、SLG組成物を含んでいた。厚さ1.6mmの基板は、中央たるみ深さ(縁部から中心までの曲率の合計深さ)6.75mmを示した。スタックを真空バッグ中に入れ、したがって、平坦な基板を冷間成形してSLG基板の複雑に湾曲した形状にした。結果として得られる積層体の光学特性は、実施例2と同様にして透過光学系を使用して測定した。中央透明部分の透過光学的ひずみは、冷間成形プロセスに起因する劣化の兆候を示さなかった。低レベルのひずみが積層体の周辺で検出されたが、周辺上の化粧バンドのために裸眼では見ることができなかった。
1350mm×472mm×0.7mmの長さ、幅および厚さの寸法を有し、アルミノシリケートガラス組成物を含む平坦な基板を、平坦な基板と同じ長さおよび幅の寸法を有するが3.85mmの厚さを有し、SLG組成物を含む複雑に湾曲した基板と組み立てた。スタックを真空バッグ中に入れ、平坦な基板を冷間成形して、複雑に湾曲した形状のSLG基板にした。結果として得られる積層体の光学特性を、実施例2と同じ方法で透過光学系を使用して測定した。冷間成形プロセスに起因する劣化の兆候は示されなかった。
第一面と前記第一面の反対側の第二面とその間の第一厚さとを有する第一の複雑に湾曲したガラス基板、
第三面と前記第三面の反対側の第四面とその間の第二の厚さとを有する第二の複雑に湾曲したガラス基板、および
前記第二面および前記第三面に固定されたポリマー中間層、
を備える積層体であって、
前記第一厚さおよび前記第二の厚さの一方が約0.2mmから約0.7mmの範囲内であり、前記第三面および前記第四面がそれぞれ、前記第四面が前記第三面の圧縮応力値を上回る圧縮応力値を有するような圧縮応力値を有する、
積層体。
約0.2mmから約0.7mmの範囲内の厚さを有する前記複雑に湾曲したガラス基板が化学強化されたガラスである、実施形態1に記載の積層体。
前記第一の複雑に湾曲したガラス基板が約1.4mmから約3.85mmの範囲内の厚さを有し、前記第二の複雑に湾曲したガラス基板が約0.2mmから約0.7mmの範囲内の厚さを有する、実施形態1または実施形態2に記載の積層体。
前記第一の複雑に湾曲したガラス基板がソーダ石灰ガラス製である、実施形態1から3のいずれか一項に記載の積層体。
前記介在ポリマー中間層が、ポリビニルブチラール、エチレンビニルアセテート、イオノマー、ポリ塩化ビニルコポリマーおよび熱可塑性ポリウレタンからなる群から選択される、実施形態1から4のいずれか一項に記載の積層体。
前記第二の複雑に湾曲したガラス基板の周辺部が前記ポリマー中間層に対して圧縮力を加え、前記第二の複雑に湾曲したガラス基板の中央部分が前記ポリマー中間層に対して張力を加える、実施形態1から5のいずれか一項に記載の積層体。
前記第二面と前記第三面との間に均一な距離をさらに含む、実施形態1から6のいずれか一項に記載の積層体。
前記積層体が曲率半径を示し、前記曲率半径が1000mm未満である、実施形態1から7のいずれか一項に記載の積層体。
車体、前記車体の開口部、および前記開口部に配置された積層体を備えた車両であって、前記積層体が、
第一面と、前記第一面の反対側の第二面と、その間の第一厚さとを有する第一の複雑に湾曲したガラス基板、
第三面と、前記第三面の反対側の第四面と、その間の第二の厚さとを有する第二の複雑に湾曲したガラス基板、および
前記第二面および前記第三面に固定されたポリマー中間層、
を含み、
前記第一厚さおよび前記第二の厚さのうちの一方が約0.2mmから約0.7mmの範囲内であり、前記第三面および第四面がそれぞれ、前記第四面が前記第三面の圧縮応力値を上回る圧縮応力値を有するような圧縮応力値を有する、車両。
前記積層体が前記開口部に関して移動可能である、実施形態9に記載の車両。
前記第一の複雑に湾曲した基板がソーダ石灰ガラス組成および約0.7mmを上回る厚さを有し、前記第二の複雑に湾曲した基板が強化されたガラスを含み、約0.2mmから約0.7mmの範囲内の厚さを有する、実施形態9または10に記載の車両。
複雑に湾曲した積層体を製造する方法であって、
第一の複雑に湾曲した基板と平坦な第二ガラス基板との間に中間層を配置してスタックを形成する工程と、
前記スタックに圧力を加えて前記第二のガラス基板を前記中間層および前記第一の複雑に湾曲した基板に押し付けて、前記複雑に湾曲した積層体を形成する工程と、
前記複雑に湾曲した積層体を400℃よりも低い温度に加熱する工程と、
を含む、方法。
前記第一の複雑に湾曲した基板が、金属製、セラミック製、プラスチック製またはガラス製である、請求項12に記載の方法。
前記平坦な第二ガラス基板が約0.2mmから約0.7mmの範囲内の厚さを有し、前記第一の複雑に湾曲した基板が0.7mmを上回る厚さを有する、実施形態12または13に記載の方法。
前記圧力が約1気圧またはそれ以上である、実施形態12〜14のいずれか一項に記載の方法。
真空技術を使用して前記スタックに圧力を加える、実施形態12〜15のいずれか一項に記載の方法。
室温で前記圧力を前記スタックに加える、実施形態12〜16のいずれか一項に記載の方法。
前記積層体を約100℃から約140℃の範囲内の温度に加熱して、前記ボンディング層と前記複雑に湾曲したガラス基板との間に完全な結合を形成する、実施形態12〜17のいずれか一項に記載の方法。
実施形態12〜18のいずれか一項に記載の方法によって形成される、複雑に湾曲した積層体。
複雑に湾曲した積層体を製造する方法であって、
2本の軸に沿って曲率を有し、複雑に湾曲したガラス基板を提供するように、2つの主要表面とその間の厚さを有する第一のガラス基板を成形する工程と、
前記複雑に湾曲したガラス基板を中間層および第二のガラス基板とともに、前記中間層が前記複雑に湾曲したガラス基板と前記第二のガラス基板の間になるように、前記第二のガラス基板が二つの主要表面とその間の厚さを有し、二本の軸に沿って曲率を有し、前記第二のガラス基板の前記曲率が前記第一のガラス基板の前記曲率と一致しないように、スタック状に配列する工程と、
室温で前記スタックに圧力を加え、前記第二のガラス基板の前記曲率が前記第一のガラス基板の前記曲率と一致して、複雑に湾曲した積層体を形成する工程と、
を含む、方法。
スタックを約100℃から約140℃の範囲内の温度に加熱して、前記中間層と前記第一基板および前記第二のガラス基板との間に結合を形成する工程をさらに含む、実施形態20に記載の方法。
前記第二のガラス基板が約0.2mmから約0.7mmの範囲内の厚さを有する化学強化されたガラスであり、前記第一のガラス基板が約1.4mmから約3.85mmの範囲内の厚さを有するソーダ石灰ガラスである、実施形態20および21に記載の方法。
実施形態20から22のいずれか一項に記載の方法によって形成された、複雑に湾曲した積層体。
110 第一基板
112 第一面
114 第二面
120 中間層
130 第二基板
132 第三面
134 第四面
Claims (10)
- 第一面と、前記第一面の反対側の第二面と、その間の第一厚さとを有する第一の複雑に湾曲したガラス基板、
第三面と、前記第三面の反対側の第四面と、その間の第二の厚さとを有する第二の複雑に湾曲したガラス基板、および
前記第二面および前記第三面に固定されたポリマー中間層、
を備える積層体であって、
前記第一厚さおよび前記第二の厚さの一方が約0.2mmから約0.7mmの範囲内であり、前記第三面および前記第四面がそれぞれ、前記第四面が前記第三面の圧縮応力値を上回る圧縮応力値を有するような圧縮応力値を有する、積層体。 - 約0.2mmから約0.7mmの範囲内の厚さを有する前記複雑に湾曲したガラス基板が化学強化されたガラスである、請求項1に記載の積層体。
- 前記第一の複雑に湾曲したガラス基板が約1.4mmから約3.85mmの範囲内の厚さを有し、前記第二の複雑に湾曲したガラス基板が約0.2mmから約0.7mmの範囲内の厚さを有する、請求項1または2に記載の積層体。
- 前記第一の複雑に湾曲したガラス基板がソーダ石灰ガラス製である、請求項1から3のいずれか一項に記載の積層体。
- 前記第二の複雑に湾曲したガラス基板の周辺部が前記ポリマー中間層に対して圧縮力を加え、前記第二の複雑に湾曲したガラス基板の中央部分が前記ポリマー中間層に対して張力を加える、請求項1から4のいずれか一項に記載の積層体。
- 前記積層体が曲率半径を示し、前記曲率半径が1000mm未満である、請求項1から5のいずれか一項に記載の積層体。
- 車体、前記車体の開口部、および前記開口部に配置された積層体を備えた車両であって、前記積層体が、
第一面と、前記第一面の反対側の第二面と、その間の第一の厚さとを有する第一の複雑に湾曲したガラス基板、
第三面と、前記第三面の反対側の第四面と、その間の第二の厚さとを有する第二の複雑に湾曲したガラス基板、および
前記第二面および第三面に固定されたポリマー中間層、
を含み、
前記第一厚さおよび前記第二の厚さのうちの一方が約0.2mmから約0.7mmの範囲内であり、前記第三面および前記第四面がそれぞれ、前記第四面が前記第三面の圧縮応力値を上回る圧縮応力値を有するような圧縮応力値を有する、車両。 - 前記積層体が前記開口部に関して移動可能である、請求項7に記載の車両。
- 前記第一の複雑に湾曲した基板がソーダ石灰ガラス組成および約0.7mmを上回る厚さを有し、前記第二の複雑に湾曲した基板が強化されたガラスを含み、約0.2mmから約0.7mmの範囲内の厚さを有する、請求項7または8に記載の車両。
- 複雑に湾曲した積層体を製造する方法であって、
2本の軸に沿って曲率を有し、複雑に湾曲したガラス基板を提供するように、2つの主要表面とその間の厚さを有する第一のガラス基板を形成する工程と、
前記複雑に湾曲したガラス基板を中間層および第二のガラス基板とともに、前記中間層が前記複雑に湾曲したガラス基板と前記第二のガラス基板の間になるように、前記第二のガラス基板が二つの主要表面とその間の厚さを有して、二本の軸に沿って曲率を有し、前記第二のガラス基板の前記曲率が前記第一のガラス基板の前記曲率と一致しないように、スタック状に配列する工程と、
室温で前記スタックに圧力を加え、前記第二のガラス基板の前記曲率が前記第一のガラス基板の前記曲率と一致して、複雑に湾曲した積層体を形成する工程と、
を含む、方法。
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CN111761893B (zh) | 2023-05-30 |
US11642943B2 (en) | 2023-05-09 |
CN111761893A (zh) | 2020-10-13 |
US20210053424A1 (en) | 2021-02-25 |
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JP6849650B2 (ja) | 2021-03-24 |
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US10843531B2 (en) | 2020-11-24 |
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US20230047147A1 (en) | 2023-02-16 |
EP4245526A2 (en) | 2023-09-20 |
CN107848265B (zh) | 2020-09-08 |
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