JP2012501285A - ガラスを得るための方法及び得られたガラス - Google Patents
ガラスを得るための方法及び得られたガラス Download PDFInfo
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- 239000011521 glass Substances 0.000 title claims abstract description 97
- 238000000034 method Methods 0.000 title claims description 30
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 61
- 239000000203 mixture Substances 0.000 claims abstract description 25
- 239000005357 flat glass Substances 0.000 claims abstract description 23
- 229910052742 iron Inorganic materials 0.000 claims abstract description 22
- 230000001590 oxidative effect Effects 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 239000007800 oxidant agent Substances 0.000 claims abstract description 16
- 239000006060 molten glass Substances 0.000 claims abstract description 13
- 229910004298 SiO 2 Inorganic materials 0.000 claims abstract description 11
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims abstract description 10
- 239000000126 substance Substances 0.000 claims abstract description 9
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 9
- 238000010924 continuous production Methods 0.000 claims abstract 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 30
- 238000002844 melting Methods 0.000 claims description 14
- 230000008018 melting Effects 0.000 claims description 14
- 229910052760 oxygen Inorganic materials 0.000 claims description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- 239000000446 fuel Substances 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 12
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 7
- 238000006124 Pilkington process Methods 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 239000000295 fuel oil Substances 0.000 claims description 5
- 239000006117 anti-reflective coating Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 230000036961 partial effect Effects 0.000 claims description 4
- 239000003345 natural gas Substances 0.000 claims description 3
- 229910021193 La 2 O 3 Inorganic materials 0.000 claims description 2
- 229910017493 Nd 2 O 3 Inorganic materials 0.000 claims description 2
- 230000003667 anti-reflective effect Effects 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 238000005401 electroluminescence Methods 0.000 claims description 2
- 238000007667 floating Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims 1
- 238000002834 transmittance Methods 0.000 description 20
- 230000005540 biological transmission Effects 0.000 description 18
- 239000011734 sodium Substances 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 5
- 238000005229 chemical vapour deposition Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000000571 coke Substances 0.000 description 4
- 239000010459 dolomite Substances 0.000 description 4
- 229910000514 dolomite Inorganic materials 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 229910004613 CdTe Inorganic materials 0.000 description 3
- 235000019738 Limestone Nutrition 0.000 description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
- 229910021417 amorphous silicon Inorganic materials 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 239000006028 limestone Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 description 3
- 235000011152 sodium sulphate Nutrition 0.000 description 3
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910006404 SnO 2 Inorganic materials 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 229910000420 cerium oxide Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000005352 clarification Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010433 feldspar Substances 0.000 description 2
- 229910001447 ferric ion Inorganic materials 0.000 description 2
- 229910001448 ferrous ion Inorganic materials 0.000 description 2
- 239000006025 fining agent Substances 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 description 2
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 229910018068 Li 2 O Inorganic materials 0.000 description 1
- 229910052765 Lutetium Inorganic materials 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- GHPGOEFPKIHBNM-UHFFFAOYSA-N antimony(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Sb+3].[Sb+3] GHPGOEFPKIHBNM-UHFFFAOYSA-N 0.000 description 1
- 229910000413 arsenic oxide Inorganic materials 0.000 description 1
- 229960002594 arsenic trioxide Drugs 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical compound [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 description 1
- 229910052951 chalcopyrite Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000011437 continuous method Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- UIPVMGDJUWUZEI-UHFFFAOYSA-N copper;selanylideneindium Chemical compound [Cu].[In]=[Se] UIPVMGDJUWUZEI-UHFFFAOYSA-N 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000004031 devitrification Methods 0.000 description 1
- KTTMEOWBIWLMSE-UHFFFAOYSA-N diarsenic trioxide Chemical compound O1[As](O2)O[As]3O[As]1O[As]2O3 KTTMEOWBIWLMSE-UHFFFAOYSA-N 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 1
- 229910001947 lithium oxide Inorganic materials 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- UFQXGXDIJMBKTC-UHFFFAOYSA-N oxostrontium Chemical compound [Sr]=O UFQXGXDIJMBKTC-UHFFFAOYSA-N 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 239000005361 soda-lime glass Substances 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000002195 soluble material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000009718 spray deposition Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 229910001935 vanadium oxide Inorganic materials 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/235—Heating the glass
-
- 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
- C03C3/078—Glass compositions containing silica with 40% to 90% silica, by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Glass Compositions (AREA)
Abstract
Description
・複数のバーナーがそれに沿って配置されている炉の上流側で原料を投入する工程、
・溶融ガラスの塊を得る工程、
・次に前記溶融ガラスの塊を炉の更に下流側に位置するゾーンに導く工程であって、このゾーンの領域内に配置された少なくとも1つのバーナーに化学量論量を超える量の酸化剤を供給する工程、
・次に下記の成分を下記の重量範囲内の量で含む化学組成を有する板ガラスを形成する工程、
SiO2 60〜75%
Al2O3 0〜10%
B2O3 0〜5%、好ましくは0
CaO 5〜15%
MgO 0〜10%
Na2O 5〜20%
K2O 0〜10%
BaO 0〜5%、好ましくは0
SO3 0.1〜0.4%
Fe2O3(全鉄分) 0〜0.015%
レドックス 0.1〜0.3
を含む方法である。
O2+4Fe2+ → 2O2-+4Fe3+
SiO2 60〜75%
Al2O3 0〜10%
B2O3 0〜5%、好ましくは0
CaO 5〜15%
MgO 0〜10%
Na2O 5〜20%
K2O 0〜10%
BaO 0〜5%、好ましくは0
SO3 >0.2〜0.4%
Fe2O3(全鉄分) 0〜0.015%
レドックス 0.2〜0.30
SiO2 60〜75%
Al2O3 0〜10%
B2O3 0〜5%、好ましくは0
CaO 5〜15%
MgO 0〜10%
Na2O 5〜20%
K2O 0〜10%
BaO 0〜5%、好ましくは0
SO3 0.1〜0.4%
Fe2O3(全鉄分) 0〜0.02%
レドックス 0.15〜0.3
SiO2 60〜75%
Al2O3 0〜10%
B2O3 0〜5%、好ましくは0
CaO 5〜15%
MgO 0〜10%
Na2O 5〜20%
K2O 0〜10%
BaO 0〜5%、好ましくは0
SO3 >0.2〜0.4%
Fe2O3(全鉄分) 0〜0.015%
レドックス 0.2〜0.30
SiO2 65〜75%
Al2O3 0〜3%
CaO 7〜12%
MgO 2〜5%
Na2O 10〜15%
K2O 0〜5%
SO3 0.1〜0.3%
Fe2O3(全鉄分) 0〜0.015%未満
レドックス 0.1〜0.3
SiO2 65〜75%
Al2O3 0〜5%
CaO 7〜12%
MgO 1〜5%
Na2O 10〜15%
K2O 0〜5%
SO3 0.2〜0.4%
Fe2O3(全鉄分) 0〜0.015%未満
レドックス 0.1〜0.3
・エネルギー透過率(TE): ISO標準規格9050:2003にしたがって計算したもの。
・全光透過率(TL): ISO標準規格9050:2003の意義の範囲内において380nmと780mmの間で計算され、その際にISO/CIE標準規格10526で規定された通りのD65光源とISO/CIE標準規格10527により規定された通りのC.I.E.1931測色標準観測者を考慮に入れたもの。
Claims (19)
- ガラスを得るための連続的方法であって、
・複数のバーナーがそれに沿って配置されている炉の上流側で原料を投入する工程、
・溶融ガラスの塊を得る工程、
・次に前記溶融ガラスの塊を炉の更に下流側に位置するゾーンに導く工程であって、このゾーンの領域内に配置された少なくとも1つのバーナーに化学量論量を超える量の酸化剤を供給する工程、
・次に下記の成分を下記の重量範囲内の量で含む化学組成を有する板ガラスを形成する工程、
SiO2 60〜75%
Al2O3 0〜10%
B2O3 0〜5%、好ましくは0
CaO 5〜15%
MgO 0〜10%
Na2O 5〜20%
K2O 0〜10%
BaO 0〜5%、好ましくは0
SO3 0.1〜0.4%
Fe2O3(全鉄分) 0〜0.015%
レドックス 0.1〜0.3
を含む、ガラスを得るための連続的方法。 - 前記炉が、当該炉の側壁の領域に配置された複数のオーバーヘッドバーナーを有し、前記バーナーの各々が前記炉の軸線に対して横断方向に火炎を発生させることができる、請求項1に記載の方法。
- 前記オーバーヘッドバーナーが上流側から下流側に規則的に配置され、且つ互いに向き合ったバーナー対の形で配列されていて、各対のバーナーは、所定の時間に前記側壁のうちの一方のもの領域に配置されたバーナーのみが火炎を発生させるように交互に作動する、請求項2に記載の方法。
- 前記炉が6〜8対のバーナーを有し、最も下流側に位置する2対又は3対のバーナーあるいは最も下流側に位置する最後のバーナー対のみに、化学量論量を超える量の酸化剤を供給する、請求項3に記載の方法。
- 前記炉が、上流側から下流側に向かって、ガラス溶融ゾーンを確定しそして次に清澄ゾーンを画定する第1のチャンバ、そして次に溶融ガラスのための冷却ゾーンを画定する第2のチャンバを有し、全てのバーナーを第1のチャンバの領域内に配置する、請求項1〜4の一つに記載の方法。
- 化学量論量を超える量の酸化剤が供給される前記バーナーが前記ガラス清澄ゾーンの領域内に位置している、請求項5に記載の方法。
- 前記バーナーに空気と燃料とを供給する、請求項1〜6の一つに記載の方法。
- 前記燃料を天然ガス及び燃料油又はそれらの混合物から選択する、請求項7に記載の方法。
- 前記化学量論量を超える量の酸化剤が、好ましくは酸素対燃料のモル比が1.05〜1.5、特に1.1〜1.3であるようなものである、請求項1〜8の一つに記載の方法。
- 前記板ガラスを錫浴上に浮かばせることにより形成する、請求項1〜9の一つに記載の方法。
- 前記ガラス浴の上の酸素分圧が4〜7%である、請求項1〜10の一つに記載の方法。
- 下記の成分を下記の重量範囲内の量で含む化学組成を有する板ガラス。
SiO2 60〜75%
Al2O3 0〜10%
B2O3 0〜5%、好ましくは0
CaO 5〜15%
MgO 0〜10%
Na2O 5〜20%
K2O 0〜10%
BaO 0〜5%、好ましくは0
SO3 0.1〜0.4%
Fe2O3(全鉄分) 0〜0.015%
レドックス 0.1〜0.3 - 酸化鉄含有量が0.015%未満、特に0.012%又は0.010%以下である、請求項12に記載の板ガラス。
- レドックスが0.2〜0.30、特に0.25〜0.30である、請求項12又は13に記載の板ガラス。
- SO3含有量が0.2%以上である、請求項12〜14の一つに記載の板ガラス。
- 次の酸化物又は金属、すなわちSb2O3、As2O3、CeO2、CoO、CuO、NiO、Cr2O3、MnO2、V2O5、La2O3、Nd2O3、Er2O3、Se、Ag、Cu、をいずれも含まない、請求項12〜15の一つに記載の板ガラス。
- 錫浴上でのフロート法により製造される、請求項12〜16の一つに記載の板ガラス。
- 少なくとも1つの薄い透明な導電性層及び/又は反射防止コーティングで被覆されている、特に第1の面に薄い透明な導電性層そして第2の面に反射防止層が被覆されている、請求項12〜17の一つに記載の板ガラス。
- 請求項12〜18の一つに記載の板ガラスを少なくとも1枚含む、光電池、太陽電池、太陽エネルギーを集めるための平面又は放物面鏡、LCDタイプの表示スクリーンのバックライト用ディフューザー、有機エレクトロルミネッセントダイオードに基づくスクリーン又はフラットランプ。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0855847 | 2008-09-01 | ||
| FR0855847A FR2935374B1 (fr) | 2008-09-01 | 2008-09-01 | Procede d'obtention de verre et verre obtenu. |
| FR0951243 | 2009-02-27 | ||
| FR0951243 | 2009-02-27 | ||
| KR1020090057687A KR100983476B1 (ko) | 2009-06-26 | 2009-06-26 | 저철분 플로트 유리 및 그 제조방법과 용도 |
| KR10-2009-0057687 | 2009-06-26 | ||
| PCT/FR2009/051655 WO2010023419A1 (fr) | 2008-09-01 | 2009-09-01 | Procede d'obtention de verre et verre obtenu |
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| US (1) | US8966941B2 (ja) |
| EP (1) | EP2331472B1 (ja) |
| JP (1) | JP5694935B2 (ja) |
| CN (1) | CN102137819A (ja) |
| EA (1) | EA019049B1 (ja) |
| WO (1) | WO2010023419A1 (ja) |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP5694935B2 (ja) | 2015-04-01 |
| WO2010023419A1 (fr) | 2010-03-04 |
| EP2331472B1 (fr) | 2014-11-05 |
| US8966941B2 (en) | 2015-03-03 |
| EA019049B1 (ru) | 2013-12-30 |
| US20120121915A2 (en) | 2012-05-17 |
| EP2331472A1 (fr) | 2011-06-15 |
| EA201170400A1 (ru) | 2011-08-30 |
| US20110135938A1 (en) | 2011-06-09 |
| CN102137819A (zh) | 2011-07-27 |
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