JPH05229848A - Ultraviolet light sharply cutting glass - Google Patents
Ultraviolet light sharply cutting glassInfo
- Publication number
- JPH05229848A JPH05229848A JP6953592A JP6953592A JPH05229848A JP H05229848 A JPH05229848 A JP H05229848A JP 6953592 A JP6953592 A JP 6953592A JP 6953592 A JP6953592 A JP 6953592A JP H05229848 A JPH05229848 A JP H05229848A
- Authority
- JP
- Japan
- Prior art keywords
- glass
- fine particles
- cubr
- cucl
- cooling
- 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.)
- Withdrawn
Links
- 239000011521 glass Substances 0.000 title claims abstract description 56
- 229910021589 Copper(I) bromide Inorganic materials 0.000 claims abstract description 24
- 229910021591 Copper(I) chloride Inorganic materials 0.000 claims abstract description 21
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 claims abstract description 21
- 239000010419 fine particle Substances 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 230000001376 precipitating effect Effects 0.000 claims abstract description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 5
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 4
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 239000002994 raw material Substances 0.000 abstract description 11
- 238000001816 cooling Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 238000000465 moulding Methods 0.000 abstract description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 3
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 abstract description 3
- 239000000377 silicon dioxide Substances 0.000 abstract description 3
- 235000012239 silicon dioxide Nutrition 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract 4
- 229910011255 B2O3 Inorganic materials 0.000 abstract 2
- FUJCRWPEOMXPAD-UHFFFAOYSA-N Li2O Inorganic materials [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 abstract 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 abstract 2
- 229910052681 coesite Inorganic materials 0.000 abstract 2
- 229910052593 corundum Inorganic materials 0.000 abstract 2
- 229910052906 cristobalite Inorganic materials 0.000 abstract 2
- XUCJHNOBJLKZNU-UHFFFAOYSA-M dilithium;hydroxide Chemical compound [Li+].[Li+].[OH-] XUCJHNOBJLKZNU-UHFFFAOYSA-M 0.000 abstract 2
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 abstract 2
- 229910052682 stishovite Inorganic materials 0.000 abstract 2
- 229910052905 tridymite Inorganic materials 0.000 abstract 2
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 2
- 238000002156 mixing Methods 0.000 abstract 1
- NOTVAPJNGZMVSD-UHFFFAOYSA-N potassium monoxide Inorganic materials [K]O[K] NOTVAPJNGZMVSD-UHFFFAOYSA-N 0.000 abstract 1
- 238000012216 screening Methods 0.000 abstract 1
- 239000010949 copper Substances 0.000 description 14
- 229910052802 copper Inorganic materials 0.000 description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 10
- 238000002834 transmittance Methods 0.000 description 10
- 229910052794 bromium Inorganic materials 0.000 description 7
- 229910052801 chlorine Inorganic materials 0.000 description 7
- 239000000460 chlorine Substances 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 230000003595 spectral effect Effects 0.000 description 6
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 4
- 150000001805 chlorine compounds Chemical class 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 3
- 150000004679 hydroxides Chemical class 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 150000001649 bromium compounds Chemical class 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 229910006501 ZrSiO Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- SWLVFNYSXGMGBS-UHFFFAOYSA-N ammonium bromide Chemical compound [NH4+].[Br-] SWLVFNYSXGMGBS-UHFFFAOYSA-N 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000006059 cover glass Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- IJKVHSBPTUYDLN-UHFFFAOYSA-N dihydroxy(oxo)silane Chemical compound O[Si](O)=O IJKVHSBPTUYDLN-UHFFFAOYSA-N 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 238000004017 vitrification Methods 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- 150000003755 zirconium compounds Chemical class 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
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
- C03C4/00—Compositions for glass with special properties
- C03C4/08—Compositions for glass with special properties for glass selectively absorbing radiation of specified wave lengths
- C03C4/085—Compositions for glass with special properties for glass selectively absorbing radiation of specified wave lengths for ultraviolet absorbing 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
- C03C14/00—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
-
- 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
- C03C3/11—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen
-
- 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
- C03C2214/00—Nature of the non-vitreous component
- C03C2214/16—Microcrystallites, e.g. of optically or electrically active material
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Dispersion Chemistry (AREA)
- Glass Compositions (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、紫外線シャープカット
ガラスに関する。FIELD OF THE INVENTION The present invention relates to an ultraviolet sharp cut glass.
【０００２】[0002]
【従来の技術】紫外線をカットするガラスとしては、い
わゆる紫外線シャープカットガラスとしての市販品や、
人工衛星の太陽電池を紫外線から保護する目的のカバー
ガラスなどが知られている。これらのガラスは、種々の
イオンをドープしたガラスの紫外域の吸収を利用して紫
外線遮蔽を行なっている。2. Description of the Related Art As a glass for cutting ultraviolet rays, commercially available products such as so-called ultraviolet sharp cut glass,
A cover glass and the like for protecting a solar cell of a satellite from ultraviolet rays are known. These glasses shield ultraviolet rays by utilizing the absorption in the ultraviolet region of glasses doped with various ions.
【０００３】[0003]
【発明が解決しようとする課題】これらイオンをドープ
したガラスは、紫外側吸収端付近での波長に対する透過
率の変化の割合が比較的ゆるやかなため、近紫外線をカ
ットするためには可視域での吸収がさけられず、ガラス
が黄色く着色してしまい、逆に、可視域で吸収のない無
色なガラスでは近紫外域がカットできないという課題が
あった。In the glass doped with these ions, the rate of change in the transmittance with respect to the wavelength near the ultraviolet absorption edge is relatively gentle. However, there is a problem that the near-ultraviolet region cannot be cut by a colorless glass that does not absorb in the visible range.
【０００４】この欠点の解消を目的として波長傾斜幅の
小さい紫外線吸収ガラスが提案された（特公昭４６−３
４６４）。このガラスはＣｕＣｌやＣｕＢｒの結晶をガ
ラス中に析出させることを特徴とするが、ガラス中の銅
の酸化還元状態の制御が困難で、ＣｕＣｌやＣｕＢｒの
結晶を析出させるための熱処理によってガラス中に銅コ
ロイドが析出し、ガラスが赤色に着色してしまう欠点が
あった。An ultraviolet absorbing glass having a small wavelength inclination width has been proposed for the purpose of eliminating this drawback (Japanese Patent Publication No. 46-3).
464). This glass is characterized in that crystals of CuCl or CuBr are deposited in the glass, but it is difficult to control the redox state of copper in the glass, and the heat treatment for precipitating the crystals of CuCl or CuBr is performed in the glass. There was a drawback that copper colloid was deposited and the glass was colored red.
【０００５】[0005]
【課題を解決するための手段】本発明は、前述の課題を
解決するためのものであり、ガラスの組成がモル％表示
で本質的に ＳｉＯ2 ２０〜９０％ Ｂ2 Ｏ3 ３〜５０％ Ａｌ2 Ｏ3 １〜２５％ Ｌｉ2 ０＋Ｎａ2 Ｏ＋Ｋ2 Ｏ ０．１〜４０％ ＺｒＯ2 ０．１〜２０％ ＣｕＣｌ＋ＣｕＢｒ ０．０１〜１０％ からなり、ＣｕＣｌ又は／及びＣｕＢｒ微粒子を析出さ
せることによって紫外線を遮蔽することを特徴とする紫
外線シャープカットガラスである。The present invention is for solving the above-mentioned problems, and the composition of the glass is essentially SiO 2 20 to 90% B 2 O 3 3 to 50% in mol% display. Al 2 O 3 1 to 25% Li 2 0 + Na 2 O + K 2 O 0.1 to 40% ZrO 2 0.1 to 20% CuCl + CuBr 0.01 to 10% by depositing CuCl or / and CuBr fine particles It is an ultraviolet sharp cut glass characterized by blocking ultraviolet rays.
【０００６】本発明の紫外線シャープカットガラスは、
紫外線領域で非常にシャープな吸収を持つＣｕＣｌ又は
／及びＣｕＢｒ微粒子がガラス中に析出しているため、
可視域の光を吸収することなく紫外線だけを選択的に遮
蔽できる。The ultraviolet sharp cut glass of the present invention is
Since CuCl or / and CuBr fine particles having very sharp absorption in the ultraviolet region are deposited in the glass,
It can selectively block only ultraviolet rays without absorbing light in the visible range.
【０００７】本発明のガラスは、ＳｉＯ2 が２０モル％
未満では、ＣｕＣｌ、ＣｕＢｒ微粒子の析出が得がた
く、９０モル％超では、ガラスの生成温度が高くなり、
Ｃｕ及びＣｌ、Ｂｒ成分が揮散してしまい、いずれも好
ましくない。The glass of the present invention contains 20 mol% of SiO 2.
If it is less than 90 mol%, it is difficult to deposit fine particles of CuCl and CuBr, and if it exceeds 90 mol%, the glass formation temperature becomes high.
Cu, Cl, and Br components are volatilized, which is not preferable.
【０００８】Ｂ2 Ｏ3 は、３モル％未満では、ＣｕＣ
ｌ、ＣｕＢｒの析出が得がたく、５０モル％超では、ガ
ラスの耐候性が低くなり、いずれも好ましくない。If B 2 O 3 is less than 3 mol%, CuC
1, the precipitation of CuBr is difficult to obtain, and if it exceeds 50 mol%, the weather resistance of the glass tends to be low, which is not preferable.
【０００９】Ａｌ2 Ｏ3 は、１モル％未満では、ガラス
が分相により白濁しやすくなり、２５モル％超では、ガ
ラス化し難くなり、いずれも好ましくない。If Al 2 O 3 is less than 1 mol%, the glass tends to become cloudy due to phase separation, and if it exceeds 25 mol%, vitrification tends to be difficult and neither is preferable.
【００１０】Ｌｉ2 ０、Ｎａ2 Ｏ、Ｋ2 Ｏは、１種のみ
を用いても、２種類以上混合して用いてもよいが、合計
量が０．１モル％未満ではガラスの生成温度が高くなり
Ｃｕ及びＣｌ、Ｂｒ成分が揮散し、合計量が４０モル％
超ではガラスの耐候性が低くなり、いずれも好ましくな
い。Li 2 0, Na 2 O and K 2 O may be used alone or as a mixture of two or more kinds, but when the total amount is less than 0.1 mol%, the glass formation temperature is Becomes higher, and Cu, Cl, and Br components evaporate, and the total amount is 40 mol%.
If it exceeds 5, the weather resistance of the glass tends to be low, which is not preferable.
【００１１】ＺｒＯ2 は、０．１モル％未満では熱処理
時に銅コロイドの析出によるガラスの赤色化が起こり、
２０モル％超ではガラスの生成温度が高くなりＣｕ及び
Ｃｌ、Ｂｒ成分が揮散し、いずれも好ましくない。When ZrO 2 is less than 0.1 mol%, the glass becomes red due to the precipitation of copper colloid during heat treatment.
If it exceeds 20 mol%, the glass formation temperature becomes high, and Cu, Cl, and Br components are volatilized, which is not preferable.
【００１２】ＣｕＣｌ、ＣｕＢｒは一方のみを用いて
も、２種混合して用いてもよいが、銅、塩素、臭素は、
ＣｕＣｌ＋ＣｕＢｒ換算で合計量が０．０１モル％未満
では、ＣｕＣｌ又は／及びＣｕＢｒ微粒子が充分析出せ
ず紫外線の遮蔽性能が充分でなく、１０モル％超ではＣ
ｕＣｌ又は／及びＣｕＢｒ微粒子の巨大粒子が析出し、
可視光線を散乱しガラスの透明性が失われ、いずれも好
ましくない。One of CuCl and CuBr may be used alone, or two of them may be used in combination, but copper, chlorine and bromine are
If the total amount is less than 0.01 mol% in terms of CuCl + CuBr, CuCl and / or CuBr fine particles are not sufficiently deposited and the ultraviolet ray shielding performance is insufficient.
Huge particles of uCl or / and CuBr fine particles are deposited,
Visible rays are scattered and the transparency of the glass is lost, both of which are not preferable.
【００１３】このうち、ＳｉＯ2 が３０〜８３モル％、
Ｂ2 Ｏ3 が５〜４０モル％、Ａｌ2Ｏ3 が３〜２０モル
％、Ｌｉ2 ０＋Ｎａ2 Ｏ＋Ｋ2 Ｏが１〜３０モル％、Ｚ
ｒＯ2 が０．３〜１０モル％、ＣｕＣｌ＋ＣｕＢｒが
０．１〜５モル％のガラスは制御された粒径のＣｕＣｌ
又は／及びＣｕＢｒ微粒子が容易に析出しうるので特に
好ましい。Of these, SiO 2 is 30 to 83 mol%,
B 2 O 3 5 to 40 mol%, Al 2 O 3 is 3 to 20 mol%, Li 2 0 + Na 2 O + K 2 O 1 to 30 mol%, Z
Glass with rO 2 of 0.3 to 10 mol% and CuCl + CuBr of 0.1 to 5 mol% has a controlled particle size of CuCl 2.
Alternatively, and / or CuBr fine particles can be easily deposited, which is particularly preferable.
【００１４】上記成分の外に、ＳｎＯ、ＳｎＯ2 、Ｓｂ
2 Ｏ3 、Ｓｂ2 Ｏ5 を総量で１０モル％以下含有させる
場合には、ＣｕＣｌ又は／及びＣｕＢｒ微粒子が更に析
出しやすくなるので好ましい。In addition to the above components, SnO, SnO 2 , Sb
When 2 O 3 and Sb 2 O 5 are contained in a total amount of 10 mol% or less, CuCl and / or CuBr fine particles are more likely to precipitate, which is preferable.
【００１５】析出させるＣｕＣｌ又は／及びＣｕＢｒ微
粒子の粒径は０．５〜４００ｎｍであることが好まし
い。粒径が０．５ｎｍ未満ではＣｕＣｌ又は／及びＣｕ
Ｂｒの吸収が充分でなく期待される紫外線の遮蔽が不充
分であり、４００ｎｍ超では可視光がガラス中で散乱し
てしまいガラスの透明度が失われる。このうち粒径が１
〜１００ｎｍの場合は、充分に紫外線を遮蔽するととも
に可視光に対して透明なガラスとなるので特に好まし
い。The particle size of the CuCl and / or CuBr fine particles to be precipitated is preferably 0.5 to 400 nm. If the particle size is less than 0.5 nm, CuCl and / or Cu
The absorption of Br is not sufficient and the expected shielding of ultraviolet rays is insufficient, and if it exceeds 400 nm, visible light is scattered in the glass and the transparency of the glass is lost. Of these, the particle size is 1
In the case of -100 nm, it is particularly preferable because it sufficiently shields ultraviolet rays and becomes a glass transparent to visible light.
【００１６】本発明の紫外線シャープカットガラスの製
造に用いられる原料としては、例えば次の物質があげら
れる。Examples of raw materials used for producing the ultraviolet sharp cut glass of the present invention include the following substances.
【００１７】ケイ素原料としては、通常は二酸化ケイ素
などのケイ素の酸化物を用いるが、これに代えてまたは
これに加えて、窒化物、有機ケイ素化合物や、ケイ酸ア
ルカリなどのケイ酸塩を用いてもよい。As the silicon raw material, an oxide of silicon such as silicon dioxide is usually used, but instead of or in addition to this, a nitride, an organic silicon compound, or a silicate such as an alkali silicate is used. May be.
【００１８】ホウ素原料としては、通常はホウ酸（Ｈ3
ＢＯ3 ）、無水ホウ酸（Ｂ2 Ｏ3 ）などの酸化物を用い
るが、これに代えてまたはこれに加えて、窒化物、有機
ホウ素化合物や、ホウ酸アルカリなどのホウ酸塩を用い
てもよい。The boron raw material is usually boric acid (H 3
An oxide such as BO 3 ), boric anhydride (B 2 O 3 ) is used. Instead of or in addition to this, a borate such as a nitride, an organoboron compound or an alkali borate is used. Good.
【００１９】アルミニウム原料としては、水酸化アルミ
ニウム（Ａｌ（ＯＨ）3 ）、アルミナ（Ａｌ2 Ｏ3 ）な
どの水酸化物、酸化物の他、窒化物、有機アルミニウム
化合物などを用いうる。As the aluminum raw material, hydroxides and oxides such as aluminum hydroxide (Al (OH) 3 ) and alumina (Al 2 O 3 ) as well as nitrides and organic aluminum compounds can be used.
【００２０】アルカリ金属の原料としては、例えば炭酸
塩が代表的であるが、水酸化物、塩化物なども適宜用い
うる。Typical examples of the alkali metal raw material are carbonates, but hydroxides, chlorides and the like can also be used as appropriate.
【００２１】ジルコニウム原料としては、酸化ジルコニ
ウム（ＺｒＯ2 ）などの酸化物の他、塩化物、有機ジル
コニウム化合物やジルコン（ＺｒＳｉＯ4 ）などの複合
酸化物も適宜単独でまたは併用して用いうる。As the zirconium raw material, in addition to oxides such as zirconium oxide (ZrO 2 ), chlorides, complex oxides such as organic zirconium compounds and zircon (ZrSiO 4 ) may be used alone or in combination.
【００２２】銅及び塩素並びに臭素の原料としては、例
えばＣｕＣｌ、ＣｕＣｌ2 、ＣｕＢｒ、ＣｕＢｒ2 など
の銅の塩化物、臭化物の他、銅は銅単体または銅の酸化
物、水酸化物、硫酸塩等の無機塩や有機塩を用いうる。
また、塩素、臭素は塩化アルカリ、臭化アルカリ、塩化
アンモニウム、臭化アンモニウムや他の添加成分の塩化
物、臭化物として供給することもできる。さらに、塩
素、臭素は単体または塩化物、臭化物の気体としてガラ
スと反応させ導入させることもできる。Examples of raw materials for copper, chlorine and bromine include chlorides and bromides of copper such as CuCl, CuCl 2 , CuBr and CuBr 2, and copper as a simple substance of copper or oxides, hydroxides and sulfates of copper. Inorganic salts or organic salts such as can be used.
Also, chlorine and bromine can be supplied as alkali chloride, alkali bromide, ammonium chloride, ammonium bromide or chlorides and bromides of other additive components. Further, chlorine and bromine can be introduced as a simple substance or as a gas of chloride or bromide by reacting with glass.
【００２３】本発明の紫外線シャープカットガラスの製
造手段は、特に制限はなく、例えば諸原料を所定量秤量
して混合し、これを１２００〜１６００℃で５分〜１０
時間加熱溶融し、所定形状に成形する方法を用いる。Ｃ
ｕＣｌ又は／及びＣｕＢｒ微粒子の析出方法は、成形さ
れたガラスを一旦室温まで冷却し次いで加熱して所定温
度に保持して微粒子を析出する方法と、成形する温度ま
での冷却過程または成形後のガラスを室温まで冷却する
過程で所定の温度で保持したり、冷却速度を制御するこ
とにより微粒子を析出する方法とがあり、どちらの方法
も好ましい。The means for producing the ultraviolet sharp cut glass of the present invention is not particularly limited, and for example, various raw materials are weighed in predetermined amounts and mixed, and the raw materials are mixed at 1200 to 1600 ° C. for 5 minutes to 10 minutes.
A method of heating and melting for a time and molding into a predetermined shape is used. C
The precipitation method of uCl or / and CuBr fine particles includes a method of once cooling the molded glass to room temperature and then heating to maintain a predetermined temperature to precipitate fine particles, and a cooling process to the molding temperature or a glass after molding. There is a method of holding fine particles at a predetermined temperature in the process of cooling to room temperature, or a method of precipitating fine particles by controlling the cooling rate, and either method is preferable.
【００２４】[0024]
実施例１〜１４ 表１及び表２の組成のガラスが４００ｇになるように原
料を調合し、これを白金坩堝に入れ１４５０℃で２時間
溶融後、ステンレス板上に流しだして板状のガラスを成
形した。この成形したガラスを表１及び表２に示す温
度、時間で熱処理を行なう、あるいは表１及び表２に示
す冷却速度でガラス転移温度以下まで冷却を行なうこと
により、ガラス中に微粒子の析出を行なった。この微粒
子析出ガラスを１ｍｍ厚に研磨し、分光透過率を測定
し、５０％透過率を示す波長及び８０％から１０％に透
過率が変化する波長傾斜幅を求めた。ガラス中の微粒子
の粒径は透過型電子顕微鏡観察にて測定した。分光透過
率曲線を図１に、その他の測定値を表１及び表２に示
す。Examples 1 to 14 Raw materials were prepared so that the glass having the composition shown in Table 1 and Table 2 would be 400 g, put in a platinum crucible and melted at 1450 ° C. for 2 hours, and then poured onto a stainless steel plate to form a glass plate Was molded. Fine particles are precipitated in the glass by heat-treating the formed glass at the temperature and time shown in Tables 1 and 2 or by cooling it to the glass transition temperature or lower at the cooling rate shown in Tables 1 and 2. It was This fine particle-deposited glass was polished to a thickness of 1 mm, the spectral transmittance was measured, and the wavelength showing 50% transmittance and the wavelength inclination width at which the transmittance changed from 80% to 10% were determined. The particle size of the fine particles in the glass was measured by observation with a transmission electron microscope. The spectral transmittance curve is shown in FIG. 1, and the other measured values are shown in Tables 1 and 2.
【００２５】[0025]
【表１】 [Table 1]
【００２６】[0026]
【表２】 [Table 2]
【００２７】比較例１ 表２に示す組成のガラスを実施例と同様にして作製し、
分光透過率を測定した。図１に示す分光透過率曲線から
わかるように５７０ｎｍ付近にガラス中に生成した銅コ
ロイドの吸収が存在し、ガラスは赤く着色した。Comparative Example 1 A glass having the composition shown in Table 2 was prepared in the same manner as in Examples,
The spectral transmittance was measured. As can be seen from the spectral transmittance curve shown in FIG. 1, there was absorption of the copper colloid generated in the glass near 570 nm, and the glass was colored red.
【００２８】比較例２ 市販の２種のシャープカットガラスの分光透過率を測定
し図１に示した。近紫外線をカットするガラスは可視域
での吸収があるため、ガラスが黄色に着色している。ま
た、可視域で吸収のない無色なガラスは近紫外域をカッ
トできない。Comparative Example 2 The spectral transmittances of two commercially available sharp cut glasses were measured and shown in FIG. Glass that blocks near-ultraviolet rays has absorption in the visible range, so the glass is colored yellow. In addition, colorless glass that does not absorb in the visible region cannot cut the near ultraviolet region.
【００２９】[0029]
【発明の効果】本発明によれば、紫外線の遮蔽性能に極
めて優れ、可視域の透過率が高いので無色のガラスが提
供される。Industrial Applicability According to the present invention, a colorless glass is provided because it has an excellent ultraviolet ray shielding property and a high transmittance in the visible region.
【図１】本発明のガラス及び従来のガラスの分光透過率
を示すグラフ。FIG. 1 is a graph showing the spectral transmittance of glass of the present invention and conventional glass.
Claims (1)
せることによって紫外線を遮蔽することを特徴とする紫
外線シャープカットガラス。1. The composition of the glass in terms of mol% is essentially SiO 2 20 to 90% B 2 O 3 3 to 50% Al 2 O 3 1 to 25% Li 2 0 + Na 2 O + K 2 O 0.1 to 40 % ZrO 2 0.1 to 20% CuCl + CuBr 0.01 to 10%, and ultraviolet rays are shielded by precipitating CuCl and / or CuBr fine particles to shield ultraviolet rays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6953592A JPH05229848A (en) | 1992-02-19 | 1992-02-19 | Ultraviolet light sharply cutting glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6953592A JPH05229848A (en) | 1992-02-19 | 1992-02-19 | Ultraviolet light sharply cutting glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05229848A true JPH05229848A (en) | 1993-09-07 |
Family
ID=13405515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6953592A Withdrawn JPH05229848A (en) | 1992-02-19 | 1992-02-19 | Ultraviolet light sharply cutting glass |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05229848A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100846147B1 (en) * | 2004-07-12 | 2008-07-14 | 쇼오트 아게 | System for background lighting display or screen |
| CN104445921A (en) * | 2014-11-13 | 2015-03-25 | 中国建筑材料科学研究总院 | High-zirconium borosilicate glass and preparation method thereof |
| WO2023120442A1 (en) * | 2021-12-22 | 2023-06-29 | Ａｇｃ株式会社 | Cover member and solar cell |
-
1992
- 1992-02-19 JP JP6953592A patent/JPH05229848A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100846147B1 (en) * | 2004-07-12 | 2008-07-14 | 쇼오트 아게 | System for background lighting display or screen |
| CN104445921A (en) * | 2014-11-13 | 2015-03-25 | 中国建筑材料科学研究总院 | High-zirconium borosilicate glass and preparation method thereof |
| WO2023120442A1 (en) * | 2021-12-22 | 2023-06-29 | Ａｇｃ株式会社 | Cover member and solar cell |
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