JP6976057B2 - 耐スクラッチアルミノホウケイ酸ガラス - Google Patents
耐スクラッチアルミノホウケイ酸ガラス Download PDFInfo
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- JP6976057B2 JP6976057B2 JP2016533120A JP2016533120A JP6976057B2 JP 6976057 B2 JP6976057 B2 JP 6976057B2 JP 2016533120 A JP2016533120 A JP 2016533120A JP 2016533120 A JP2016533120 A JP 2016533120A JP 6976057 B2 JP6976057 B2 JP 6976057B2
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
- C03C21/001—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions
- C03C21/002—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions to perform ion-exchange between alkali ions
-
- 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
-
- 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
-
- 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
- B32B7/027—Thermal properties
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
- C03B17/06—Forming glass sheets
- C03B17/064—Forming glass sheets by the overflow downdraw fusion process; Isopipes therefor
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
- C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium
-
- 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
- B32B2307/30—Properties of the layers or laminate having particular thermal 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/584—Scratch resistance
-
- 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
Description
溶融コアガラスを提供する工程、
溶融コアガラスをフュージョンドローして、コアガラスを形成する工程、
溶融クラッドガラスを提供する工程、及び
溶融クラッドガラスをフュージョンドローして、クラッドガラスを形成する工程、
を有してなり、
クラッドガラスはコアガラスの少なくとも一部を囲み、コアガラスはクラッドガラスの熱膨張係数より大きい熱膨張係数を有する。溶融クラッドガラスは、約50モル%から約70モル%のSiO2、約5モル%から約12モル%Al2O3、約5モル%から約35モル%のB2O3、1モル%≦Li2O+Na2O+K2O≦15モル%として、Li2O、Na2O及びK2Oの内の少なくとも1つ、約5モル%までのMgO、約5モル%までのCaO、及び約2モル%までのSrOを含有する。
)にいずれもが説明されているファイバ及び4点曲げ法、及びバルクシリンダー法のような、技術上既知の方法によって測定される。このASTM標準の内容はその全体が本明細書に参照として含められる。表1に挙げられたガラス組成に対して決定されたSOC値は表2に報告されている。
110 コアガラス
120 クラッドガラス(クラッド層)
Claims (12)
- 62モル%から68モル%のSiO2、6モル%から10モル%のAl2O3、5モル%から35モル%のB2O3、1モル%≦Li2O+Na2O+K2O≦15モル%として、Li2O、Na2O及びK2Oの内の少なくとも1つ、2.67モル%から5モル%までのMgO、1.35モル%から5モル%までのCaO、及び0.01モル%から2モル%までのSrOを含み、
4モル%≦MgO+CaO+SrO+Li2O+Na2O+K2O≦Al2O3+4モル%である、ガラスであって
前記ガラスがイオン交換されており、少なくとも30Nのヌープスクラッチ発生閾値を有するガラス。 - 4モル%≦B2O3−(MgO+CaO+SrO+Li2O+Na2O+K2O−Al2O3)≦35モル%であることを特徴とする請求項1に記載のガラス。
- 75×10−7/℃より小さい熱膨張係数を有することを特徴とする請求項1または2に記載のガラス。
- SnO2、CeO2、As2O3、Sb2O3、Cl−、F−の群から選択される少なくとも1つの清澄剤を含有することを特徴とする請求項1から3のいずれか1項に記載のガラス。
- 6モル%から20モル%のB2O3、6モル%≦Li2O+Na2O+K2O≦13モル%として、Li2O、Na2O及びK2Oの内の少なくとも1つ、2.67モル%から4モル%までのMgO、1.35モル%から4モル%までのCaO、及び0.01モル%から1モル%までのSrOを含有することを特徴とする請求項1から4のいずれか1項に記載のガラス。
- 4モル%≦B2O3−(MgO+CaO+SrO+Li2O+Na2O+K2O−Al2O3)≦20モル%であることを特徴とする請求項5に記載のガラス。
- P2O5を含まないことを特徴とする請求項1から6のいずれか1項に記載のガラス。
- 請求項1から7のいずれか1項に記載のガラスからなるクラッド層と、前記クラッド層の熱膨張係数より大きな熱膨張係数を有するコアガラスとを有してなり、
前記クラッド層が少なくとも30MPaの圧縮応力下にある、合わせガラス。 - コアガラス及びクラッドガラスを有する合わせガラスを作製する方法において、前記方法が、
a.溶融コアガラスを提供する工程、
b.前記溶融コアガラスをフュージョンドローして、第1の熱膨張係数を有する前記コアガラスを形成する工程、
c.62モル%から68モル%のSiO2、6モル%から10モル%のAl2O3、5モル%から35モル%のB2O3、1モル%≦Li2O+Na2O+K2O≦15モル%として、Li2O、Na2O及びK2Oの内の少なくとも1つ、2.67モル%から5モル%までのMgO、1.35モル%から5モル%までのCaO、及び0.01モル%から2モル%までのSrOを含み、4モル%≦MgO+CaO+SrO+Li2O+Na2O+K2O≦Al2O3+4モル%である、溶融クラッドガラスを提供する工程、並びに
d.前記溶融クラッドガラスをフュージョンドローして、前記クラッドガラスを形成する工程であって、前記クラッドガラスは前記コアガラスを囲みかつ第2の熱膨張係数を有し、前記第1の熱膨張係数が前記第2の熱膨張係数より大きく、前記クラッドガラスが少なくとも30MPaの圧縮応力下にあるものである工程、
を有してなる、方法。 - 前記クラッドガラスが75×10−7/℃より小さい熱膨張係数を有する請求項9に記載の方法。
- 前記クラッドガラスが、62モル%から68モル%のSiO2、6モル%より多く10モル%までのAl2O3、6モル%から20モル%のB2O3、2.67モル%から4モル%までのMgO、1.35モル%から4モル%までのCaO、及び0.01モル%から1モル%までのSrO、及び、必要に応じて、少なくとも1つの清澄剤を含有し、1モル%≦Li2O+Na2O+K2O≦13モル%であることを特徴とする請求項9または10に記載の方法。
- 前記コアガラスがアルカリアルミノケイ酸ガラスであることを特徴とする請求項9から11のいずれか1項に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361906666P | 2013-11-20 | 2013-11-20 | |
US61/906,666 | 2013-11-20 | ||
PCT/US2014/065343 WO2015077109A1 (en) | 2013-11-20 | 2014-11-13 | Scratch-resistant boroaluminosilicate glass |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019228173A Division JP7184737B2 (ja) | 2013-11-20 | 2019-12-18 | 耐スクラッチアルミノホウケイ酸ガラス |
Publications (3)
Publication Number | Publication Date |
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JP2016537289A JP2016537289A (ja) | 2016-12-01 |
JP2016537289A5 JP2016537289A5 (ja) | 2017-12-28 |
JP6976057B2 true JP6976057B2 (ja) | 2021-12-01 |
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Application Number | Title | Priority Date | Filing Date |
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JP2016533120A Active JP6976057B2 (ja) | 2013-11-20 | 2014-11-13 | 耐スクラッチアルミノホウケイ酸ガラス |
JP2019228173A Active JP7184737B2 (ja) | 2013-11-20 | 2019-12-18 | 耐スクラッチアルミノホウケイ酸ガラス |
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JP2019228173A Active JP7184737B2 (ja) | 2013-11-20 | 2019-12-18 | 耐スクラッチアルミノホウケイ酸ガラス |
Country Status (7)
Country | Link |
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US (1) | US20150140299A1 (ja) |
EP (1) | EP3071531B1 (ja) |
JP (2) | JP6976057B2 (ja) |
KR (1) | KR102322091B1 (ja) |
CN (1) | CN106414358B (ja) |
TW (2) | TWI689479B (ja) |
WO (1) | WO2015077109A1 (ja) |
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2014
- 2014-11-13 CN CN201480073697.3A patent/CN106414358B/zh active Active
- 2014-11-13 JP JP2016533120A patent/JP6976057B2/ja active Active
- 2014-11-13 KR KR1020167016133A patent/KR102322091B1/ko active IP Right Grant
- 2014-11-13 WO PCT/US2014/065343 patent/WO2015077109A1/en active Application Filing
- 2014-11-13 EP EP14816465.0A patent/EP3071531B1/en active Active
- 2014-11-17 US US14/542,932 patent/US20150140299A1/en not_active Abandoned
- 2014-11-20 TW TW107143392A patent/TWI689479B/zh active
- 2014-11-20 TW TW103140270A patent/TWI647201B/zh active
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2019
- 2019-12-18 JP JP2019228173A patent/JP7184737B2/ja active Active
Also Published As
Publication number | Publication date |
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KR20160087867A (ko) | 2016-07-22 |
JP7184737B2 (ja) | 2022-12-06 |
US20150140299A1 (en) | 2015-05-21 |
TWI647201B (zh) | 2019-01-11 |
KR102322091B1 (ko) | 2021-11-05 |
JP2020040881A (ja) | 2020-03-19 |
CN106414358B (zh) | 2021-08-13 |
EP3071531A1 (en) | 2016-09-28 |
CN106414358A (zh) | 2017-02-15 |
EP3071531B1 (en) | 2021-09-22 |
JP2016537289A (ja) | 2016-12-01 |
TW201920032A (zh) | 2019-06-01 |
TWI689479B (zh) | 2020-04-01 |
TW201527250A (zh) | 2015-07-16 |
WO2015077109A1 (en) | 2015-05-28 |
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