WO2003064339A2 - Erdalkalialuminosilicatglas und verwendung - Google Patents
Erdalkalialuminosilicatglas und verwendung Download PDFInfo
- Publication number
- WO2003064339A2 WO2003064339A2 PCT/EP2003/000883 EP0300883W WO03064339A2 WO 2003064339 A2 WO2003064339 A2 WO 2003064339A2 EP 0300883 W EP0300883 W EP 0300883W WO 03064339 A2 WO03064339 A2 WO 03064339A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- glass
- ppm
- weight
- glass according
- alkaline earth
- Prior art date
Links
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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/095—Glass compositions containing silica with 40% to 90% silica, by weight containing rare earths
-
- 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
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
-
- 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
Definitions
- the invention relates to an alkaline earth aluminum silicate glass, which is particularly suitable as a halogen lamp glass, and its use.
- Halogen lamp glasses have certain requirements not only in terms of temperature resistance, expressed by their transformation temperature Tg (required for bulb temperatures of> 650 ° C Tg> 700 ° C), and fusibility with the electrode and lead material, expressed by a thermal adapted to the material Elongation, ie an identical or similar coefficient of thermal expansion (for example, an ⁇ 2 o / 3 oo between 4.3 x 10 "6 / K and 4.95 x 10 " 6 / K is required for the adaptation to molybdenum components), but also asked about their transmission course.
- UV ultraviolet range
- the minimum requirements for the transmission in the visible range and for the provision of a lamp with improved thermal stability are also in the infrared range, i.e. in the wavelength range between 500 nm and 1500 nm, a spectral transmittance of at least 0.9 (with a sample thickness of 1.0 mm).
- a glass must be essentially free of alkali oxide for use as a bulb glass for halogen lamp bulbs, since alkali ions interfere with the regenerative halogen cycle of the lamp, as a result of which tungsten is deposited on the inside of the glass bulb instead of on the filament as a black, annoying coating. Another problem is growing up on the tungsten filament. They affect the life of the lamp.
- Previous glasses for halogen lamps have various disadvantages, in particular they do not meet the increased requirements for IR transmission.
- the glass consists of the basic glass system (in% by weight on an oxide basis)
- Ce0 2 The simultaneous presence of Ce0 2 and Ti0 2 leads to a synergistic UV blocking, ie that the effect blocking the UV radiation exceeds the sum of the individual effects.
- the addition of Ce0 2 in combination with Ti0 2 increases the solarization stability of the glass.
- Ce0 2 also has a refining function.
- the Ce0 2 content is preferably 0.001-0.2% by weight.
- a Ce0 2 content is preferably between 0.01 and 0.2% by weight, particularly preferably between 0.01 and 0.1% by weight, and a Ti0 2 content between 0.01 and 1% is preferred.
- % particularly preferably between 0.03 and 0.8% by weight, very particularly preferably between 0.1 and 0.8% by weight.
- a glass of the composition range mentioned must be essentially free of alkali oxide for use as a bulb glass for halogen lamp bulbs, since alkali ions interfere with the regenerative halogen cycle of the lamp.
- Substantially alkali oxide contents of up to 0.1% by weight are also understood here as being essentially free of alkali oxide.
- the glass according to the invention is also essentially free of iron oxides, except for inevitable impurities. Iron oxides would reduce the transmission in the visible and especially in the IR range. Impurities of iron oxides which are no longer disruptive and are unavoidable under normal conditions in glass production and when using conventional raw materials can be up to 0.04% by weight, expressed as Fe 2 0 3 .
- dopants Ce0 2 and Ti0 2 are also present in the alkali-free glass system unproblematic with regard to the melting behavior of the batch and do not lead to glass defects.
- the glass according to the invention has a thermal expansion coefficient ⁇ 20/3 oo between 4.3 x 10 "6 / K and 4.95 x 10 " 6 / K and is therefore well adapted in its thermal expansion to molybdenum, the glass lead-through material common for halogen lamp bulbs.
- the glass according to the invention has a transformation temperature Tg of at least 780 ° C. and thus has a temperature load capacity suitable for bulb glasses for halogen lamps.
- the glass is from the composition range (in% by weight on an oxide basis):
- Glass from this composition range is particularly suitable as bulb glass for halogen lamps with bulb temperatures of up to 650 ° C.
- the glass is from the composition range (in% by weight on an oxide basis):
- Zr0 2 0-1 preferably 0.05-1
- a glass from this composition range is particularly suitable as a bulb glass for halogen lamps with bulb temperatures of more than 650 ° C.
- Ti0 2 is also present as an impurity in some raw materials, for example in Zr0 2 .
- the well-homogenized mixture was melted, refined and homogenized in a quartz glass crucible at 1640 ° C in the laboratory.
- glasses of the base glass composition (in wt .-% on an oxide basis) Si0 2 60.85; Al 2 0 3 16.5; CaO 13.5; B 2 0 3 0.3; Zr0 2 1.0; BaO 7.85.
- the glasses also contain:
- the alkali content of all glasses is ⁇ 300 ppm
- Tg is 790 ° C and ⁇ 20/30 o 4.7 x 10 "6 / K.
- Figure 1 shows the transmission curves (spectral transmittance versus wavelength) for the exemplary embodiments A1, A2 and the comparative example V1 (sample thickness 1.0 mm each) in the wavelength range from 500 nm to 1500 nm.
- Figure 1 documents the high transmission of the glasses according to the invention with their defined doping with Ti0 2 and Ce0 2) in particular in comparison with the same base glass with the Fe 2 0 3 doping of the prior art. Due to the increased IR transmission, more heat is dissipated when used as a lamp bulb glass, which ultimately means a higher temperature resistance of a lamp produced with the glass according to the invention.
- Figure 2 shows the transmission curves (spectral transmittance versus wavelength for the exemplary embodiments A1, A2 and the comparative example V1 (sample thickness 1.0 mm in each case) for the wavelength range from 200 nm to 500 nm.
- these glasses have a transmittance of approx. 58%. Your UV edge is there.
- Figure 2 documents the high UV absorption (transmission ⁇ 0.01%) and the steepness of the UV edge.
- Figure 2 documents that the same UV edge position as that of the Fe 2 0 3 -doped glass of the prior art can be set in the glasses doped according to the invention.
- the Fe 2 0 3 doping can be dispensed with, so that the advantage of the high IR transmission illustrated in figure 1 is without disadvantage is achieved.
- Figure 3 shows an assessment of the pathological growth on the Wolf ram winding for lamps with bulbs made of glasses from Examples A7 and V2 and V3. The tests were carried out on the H7 lamp under application conditions in the headlamp. The burning time was approx. 1000 h.
- V3 shows that a reduction in the Fe 2 0 3 content already results in a slight reduction in the growth.
- a further reduction by further reducing the Fe 2 0 3 content would only be possible to a limited extent and by using extremely low-iron raw materials, which would make the production of the glasses extremely expensive.
- the glass according to the invention thus became a glass found that enables the desired improvements in terms of reducing the growth on the filament and increasing the life of the lamp, and this without special requirements for the purity of the raw materials used, i.e. a lamp glass that tolerates larger amounts of Fe 2 0 3 impurities and the like Manufacturing is cheaper.
- Figure 4 shows an evaluation of the formation of white precipitates for the glasses of Examples A8 and V4 in contact with the fill gas of halogen lamps. The tests were carried out as follows:
- the glass according to the invention thus represents a glass with an adjustable UV edge, with high transmission in the VIS and IR ranges, with a thermal expansion coefficient adapted to the expansion behavior of molybdenum, which is well suited for use as a halogen lamp bulb glass, especially since Halogen lamps with bulbs made of this glass are less susceptible to precipitation on the inside of the bulb and to growth on the tungsten filament.
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003563968A JP2005515953A (ja) | 2002-02-01 | 2003-01-29 | アルカリ土類アルミノケイ酸塩ガラスおよびその使用 |
EP03709697A EP1480918B1 (de) | 2002-02-01 | 2003-01-29 | Erdalkalialuminosilicatglas und verwendung |
KR1020047010548A KR100940143B1 (ko) | 2002-02-01 | 2003-01-29 | 알칼리토 알루미노실리케이트 유리 및 그의 이용 |
DE50300769T DE50300769D1 (de) | 2002-02-01 | 2003-01-29 | Erdalkalialuminosilicatglas und verwendung |
US10/503,294 US7390761B2 (en) | 2002-02-01 | 2003-01-29 | Alkaline-earth aluminosilicate glass and use thereof |
AU2003214051A AU2003214051A1 (en) | 2002-02-01 | 2003-01-29 | Alkaline-earth aluminosilicate glass and use thereof |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10204150A DE10204150A1 (de) | 2002-02-01 | 2002-02-01 | Erdalkalialuminosilicatglas und Verwendung |
DE10204150.4 | 2002-02-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2003064339A2 true WO2003064339A2 (de) | 2003-08-07 |
WO2003064339A3 WO2003064339A3 (de) | 2004-01-15 |
Family
ID=27588250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2003/000883 WO2003064339A2 (de) | 2002-02-01 | 2003-01-29 | Erdalkalialuminosilicatglas und verwendung |
Country Status (8)
Country | Link |
---|---|
US (1) | US7390761B2 (de) |
EP (1) | EP1480918B1 (de) |
JP (1) | JP2005515953A (de) |
KR (1) | KR100940143B1 (de) |
CN (2) | CN101279815B (de) |
AU (1) | AU2003214051A1 (de) |
DE (2) | DE10204150A1 (de) |
WO (1) | WO2003064339A2 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005119924A (ja) * | 2003-10-17 | 2005-05-12 | Tosoh Corp | 紫外線遮蔽ガラス、その製造方法、これを用いた紫外線遮蔽ガラス部材及び装置 |
JP2006104052A (ja) * | 2004-09-30 | 2006-04-20 | Schott Ag | 高温耐性のあるランプバルブ用ガラス及びその使用 |
DE102005026695A1 (de) * | 2005-06-09 | 2006-12-21 | Schott Ag | Leuchtvorrichtung mit einem Außenkolben, insbesondere Hochdruck-Entladungslampe |
US8133999B2 (en) | 2003-07-30 | 2012-03-13 | Ube Industries, Ltd. | Process for preparation of 6, 7-bis(2-methoxyethoxy) quinazolin-4-one |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008526675A (ja) * | 2005-01-04 | 2008-07-24 | ショット・アーゲー | 外部電極を有する発光手段のためのガラス |
DE102005019958B4 (de) * | 2005-04-29 | 2010-02-18 | Schott Ag | Blitzlicht-Leuchtquelle mit Hüllenglas |
DE102009039071B3 (de) | 2009-08-27 | 2011-02-24 | Schott Ag | Thermisch hochbelastbares Glas für Lampenkolben und dessen Verwendung |
JP6135773B2 (ja) * | 2013-12-13 | 2017-05-31 | 旭硝子株式会社 | 化学強化用ガラスおよび化学強化ガラス並びに化学強化ガラスの製造方法 |
TWI722941B (zh) | 2014-09-09 | 2021-03-21 | 美商電子玻璃纖維美國有限責任公司 | 玻璃組成物,可纖維化玻璃組成物及由其製得之玻璃纖維 |
WO2017026450A1 (ja) * | 2015-08-12 | 2017-02-16 | 旭硝子株式会社 | Duv耐性を有するガラス |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19758481C1 (de) * | 1997-10-27 | 1999-06-17 | Schott Glas | Thermisch hochbelastbares Glas für Lampenkolben und dessen Verwendung |
DE19747355C1 (de) * | 1997-10-27 | 1999-06-24 | Schott Glas | Thermisch hochbelastbares Glas für Lampenkolben und dessen Verwendung |
DE19851927A1 (de) * | 1998-11-11 | 2000-05-18 | Schott Glas | Thermisch hochbelastbares Glas und seine Verwendung |
US6069100A (en) * | 1997-10-27 | 2000-05-30 | Schott Glas | Glass for lamb bulbs capable of withstanding high temperatures |
DE10006305A1 (de) * | 2000-02-12 | 2001-08-23 | Schott Rohrglas Gmbh | Thermisch hochbelastbares Glas für Lampenkolben |
WO2001085632A1 (de) * | 2000-05-05 | 2001-11-15 | Telux Lampenrohr Gmbh | Thermisch hoch belastbare alumoerdalkalisilikatgläser für lampenkolben und verwendung |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3531677A (en) * | 1966-12-14 | 1970-09-29 | Sylvania Electric Prod | Quartz glass envelope with radiation-absorbing glaze |
JPS5632347A (en) * | 1979-08-28 | 1981-04-01 | Asahi Glass Co Ltd | Glass for tungsten halogen electric bulb |
US4409337A (en) * | 1982-11-12 | 1983-10-11 | Corning Glass Works | Glass envelopes for tungsten-halogen lamps |
DE3643421A1 (de) * | 1986-12-19 | 1988-06-23 | Schott Glaswerke | Solarisationsstabile uv-filterglaeser fuer den durchlassbereich von 280-500 nm |
US5569979A (en) * | 1992-02-28 | 1996-10-29 | General Electric Company | UV absorbing fused quartz and its use for lamp envelopes |
US5196759B1 (en) * | 1992-02-28 | 1996-09-24 | Gen Electric | High temperature lamps having UV absorbing quartz envelope |
TW226472B (de) | 1992-06-01 | 1994-07-11 | Gen Electric | |
JP2511393B2 (ja) * | 1992-09-15 | 1996-06-26 | パテント−トロイハント−ゲゼルシヤフト フユア エレクトリツシエ グリユーランペン ミツト ベシユレンクテル ハフツング | メタルハライドランプ |
DE19505617C2 (de) | 1994-04-19 | 1997-04-10 | Quarzschmelze Ilmenau Gmbh | Ultraviolettes Licht absorbierendes Quarzglas und dessen Verwendung |
DE4430710C1 (de) | 1994-08-30 | 1996-05-02 | Jenaer Glaswerk Gmbh | Borsäurearmes Borosilikatglas und seine Verwendung |
DE19739912C1 (de) * | 1997-09-11 | 1998-12-10 | Schott Glas | Alkalifreies Aluminoborosilicatglas und dessen Verwendung |
JP4323091B2 (ja) * | 1997-09-12 | 2009-09-02 | ショット アクチエンゲゼルシャフト | 長寿命ハロゲンサイクル白熱ランプ及びガラスエンベロープ組成物 |
US6373193B1 (en) * | 1997-09-12 | 2002-04-16 | Osram Sylvania Inc. | Long life halogen cycle incandescent lamp and glass envelope composition |
DE19747354C1 (de) | 1997-10-27 | 1998-12-24 | Schott Glas | Erdalkalialuminoborosilicatglas für Lampenkolben und dessen Verwendung |
DE19934072C2 (de) * | 1999-07-23 | 2001-06-13 | Schott Glas | Alkalifreies Aluminoborosilicatglas, seine Verwendungen und Verfahren zu seiner Herstellung |
DE19942259C1 (de) | 1999-09-04 | 2001-05-17 | Schott Glas | Erdalkalialuminoborosilicatglas und dessen Verwendungen |
DE10000836B4 (de) * | 2000-01-12 | 2005-03-17 | Schott Ag | Alkalifreies Aluminoborosilicatglas und dessen Verwendungen |
DE10000839C1 (de) * | 2000-01-12 | 2001-05-10 | Schott Glas | Alkalifreies Aluminoborosilicatglas und dessen Verwendungen |
US7211957B2 (en) * | 2000-05-05 | 2007-05-01 | Telux-Spezialglas Gmbh | Alumino earth-alkali silicate glasses with high thermal capacity for light bulbs and use thereof |
US6858522B1 (en) * | 2000-09-28 | 2005-02-22 | Skyworks Solutions, Inc. | Electrical contact for compound semiconductor device and method for forming same |
DE10064804C2 (de) | 2000-12-22 | 2003-03-20 | Schott Glas | Alkalifreie Aluminoborosilicatgläser und ihre Verwendung |
TWI329624B (en) * | 2002-01-10 | 2010-09-01 | Lighting Glass Co Ltd L | An essentially lead free glass and a glass tube made therefrom |
DE10204149C1 (de) * | 2002-02-01 | 2003-07-10 | Schott Glas | Erdalkalialuminosilicatglas für Lampenkolben sowie Verwendung |
DE102004048097A1 (de) * | 2004-09-30 | 2006-04-06 | Schott Ag | Thermisch hochbelastbares Glas für Lampenkolben und dessen Verwendung |
-
2002
- 2002-02-01 DE DE10204150A patent/DE10204150A1/de not_active Ceased
-
2003
- 2003-01-29 JP JP2003563968A patent/JP2005515953A/ja active Pending
- 2003-01-29 EP EP03709697A patent/EP1480918B1/de not_active Expired - Lifetime
- 2003-01-29 AU AU2003214051A patent/AU2003214051A1/en not_active Abandoned
- 2003-01-29 CN CN2008100930537A patent/CN101279815B/zh not_active Expired - Fee Related
- 2003-01-29 WO PCT/EP2003/000883 patent/WO2003064339A2/de active IP Right Grant
- 2003-01-29 DE DE50300769T patent/DE50300769D1/de not_active Withdrawn - After Issue
- 2003-01-29 US US10/503,294 patent/US7390761B2/en not_active Expired - Fee Related
- 2003-01-29 KR KR1020047010548A patent/KR100940143B1/ko not_active IP Right Cessation
- 2003-01-29 CN CNA038029863A patent/CN1625532A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19758481C1 (de) * | 1997-10-27 | 1999-06-17 | Schott Glas | Thermisch hochbelastbares Glas für Lampenkolben und dessen Verwendung |
DE19747355C1 (de) * | 1997-10-27 | 1999-06-24 | Schott Glas | Thermisch hochbelastbares Glas für Lampenkolben und dessen Verwendung |
US6069100A (en) * | 1997-10-27 | 2000-05-30 | Schott Glas | Glass for lamb bulbs capable of withstanding high temperatures |
DE19851927A1 (de) * | 1998-11-11 | 2000-05-18 | Schott Glas | Thermisch hochbelastbares Glas und seine Verwendung |
DE10006305A1 (de) * | 2000-02-12 | 2001-08-23 | Schott Rohrglas Gmbh | Thermisch hochbelastbares Glas für Lampenkolben |
WO2001085632A1 (de) * | 2000-05-05 | 2001-11-15 | Telux Lampenrohr Gmbh | Thermisch hoch belastbare alumoerdalkalisilikatgläser für lampenkolben und verwendung |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8133999B2 (en) | 2003-07-30 | 2012-03-13 | Ube Industries, Ltd. | Process for preparation of 6, 7-bis(2-methoxyethoxy) quinazolin-4-one |
JP2005119924A (ja) * | 2003-10-17 | 2005-05-12 | Tosoh Corp | 紫外線遮蔽ガラス、その製造方法、これを用いた紫外線遮蔽ガラス部材及び装置 |
JP2006104052A (ja) * | 2004-09-30 | 2006-04-20 | Schott Ag | 高温耐性のあるランプバルブ用ガラス及びその使用 |
US7553786B2 (en) * | 2004-09-30 | 2009-06-30 | Schott Ag | Glass that withstands high-temperatures for lamp bulbs, and its use |
DE102005026695A1 (de) * | 2005-06-09 | 2006-12-21 | Schott Ag | Leuchtvorrichtung mit einem Außenkolben, insbesondere Hochdruck-Entladungslampe |
Also Published As
Publication number | Publication date |
---|---|
CN1625532A (zh) | 2005-06-08 |
DE50300769D1 (de) | 2005-08-18 |
US20050085370A1 (en) | 2005-04-21 |
JP2005515953A (ja) | 2005-06-02 |
EP1480918B1 (de) | 2005-07-13 |
CN101279815B (zh) | 2011-05-11 |
US7390761B2 (en) | 2008-06-24 |
KR20040079920A (ko) | 2004-09-16 |
WO2003064339A3 (de) | 2004-01-15 |
CN101279815A (zh) | 2008-10-08 |
KR100940143B1 (ko) | 2010-02-03 |
AU2003214051A1 (en) | 2003-09-02 |
EP1480918A2 (de) | 2004-12-01 |
DE10204150A1 (de) | 2003-08-14 |
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