JP2000264672A - Deep green glass - Google Patents
Deep green glassInfo
- Publication number
- JP2000264672A JP2000264672A JP11069489A JP6948999A JP2000264672A JP 2000264672 A JP2000264672 A JP 2000264672A JP 11069489 A JP11069489 A JP 11069489A JP 6948999 A JP6948999 A JP 6948999A JP 2000264672 A JP2000264672 A JP 2000264672A
- Authority
- JP
- Japan
- Prior art keywords
- glass
- content
- light transmittance
- transmittance
- less
- 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.)
- Pending
Links
- 239000011521 glass Substances 0.000 title claims abstract description 31
- 238000002834 transmittance Methods 0.000 claims abstract description 36
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910052742 iron Inorganic materials 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 4
- 239000011593 sulfur Substances 0.000 claims abstract description 4
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 239000005357 flat glass Substances 0.000 abstract description 7
- -1 iron ion Chemical class 0.000 abstract description 5
- 239000011734 sodium Substances 0.000 abstract description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052708 sodium Inorganic materials 0.000 abstract description 2
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 abstract 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- 235000011941 Tilia x europaea Nutrition 0.000 abstract 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract 1
- 230000007794 irritation Effects 0.000 abstract 1
- 239000004571 lime Substances 0.000 abstract 1
- 238000012216 screening Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 10
- 230000003287 optical effect Effects 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 239000006103 coloring component Substances 0.000 description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 238000004040 coloring Methods 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 description 3
- 235000011152 sodium sulphate Nutrition 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000005361 soda-lime glass Substances 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 229910000428 cobalt oxide Inorganic materials 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 239000005340 laminated glass Substances 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010446 mirabilite Substances 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000000075 oxide glass Substances 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- RSIJVJUOQBWMIM-UHFFFAOYSA-L sodium sulfate decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=O RSIJVJUOQBWMIM-UHFFFAOYSA-L 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-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
- 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
- C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
- C03C3/087—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container 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
- C03C4/00—Compositions for glass with special properties
- C03C4/02—Compositions for glass with special properties for coloured 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
- 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
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
【０００１】[0001]
【発明の属する技術分野】本発明は、低い可視光透過率
を有するとともに、紫外線および日射の遮蔽性能が高
く、適度な透視性とプライバシー性を有し、自動車等の
車両、輸送機器用窓ガラスおよび建築用窓ガラス等に適
する濃い緑色を呈するガラスに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a window glass for vehicles such as automobiles and transportation equipment, which has a low visible light transmittance, a high ability to shield ultraviolet rays and solar radiation, has an appropriate transparency and privacy. And a glass exhibiting a dark green color suitable for architectural window glass and the like.
【０００２】[0002]
【従来技術とその解決すべき課題】可視光透過率が20％
以下の低い透過率で緑色等の色調を呈するガラスとして
は、着色成分としてFe2O3、CoO等とともにSeを採用する
公知例があるが、Seは毒物であり、取扱が難しく、また
溶融時に揮発し易く色調の調整が困難であるため、Seの
採用は避けるべきである。[Prior art and problems to be solved] Visible light transmittance is 20%
As a glass exhibiting a color tone such as green with a low transmittance below, there is a known example in which Se is used together with Fe 2 O 3 , CoO, etc. as a coloring component, but Se is a poisonous substance, and it is difficult to handle, and when melting, Adoption of Se should be avoided because of volatilization and difficulty in adjusting the color tone.
【０００３】特開平10−139475号、特開平10−182183号
公報は、必須の着色成分としてFe2O 3、CoO、NiO、TiO2
を含む紫外線赤外線吸収ガラスが開示されているが、Fe
2O3が比較的少なく日射透過率が不充分であったり、あ
るいは主波長が短波長寄りで色調が青みがかったりす
る。JP-A-10-139475, JP-A-10-182183
The publication states that Fe is an essential coloring component.TwoO Three, CoO, NiO, TiOTwo
UV-absorbing glass containing is disclosed, but Fe
TwoOThreeIs relatively small and the solar transmittance is insufficient,
Or the dominant wavelength is near the short wavelength and the color tone is bluish
You.
【０００４】本発明は、可視光透過率とともに日射透過
率を抑え、また刺激純度を抑えることにより、色度を表
示するいわゆる色度図上の無彩色に近い（中性色の）濃
緑色ガラスを提供することを目的とする。The present invention provides a dark green glass (neutral color) that is close to an achromatic color on a so-called chromaticity diagram by displaying chromaticity by suppressing sunlight transmittance as well as visible light transmittance and suppressing stimulus purity. The purpose is to provide.
【０００５】[0005]
【課題を解決するための手段】本発明は、ソーダ石灰シ
リカ系ガラス成分を基礎組成とし、wt％でFe2O3（全
鉄）が1.1〜1.8、CoOが0.013〜0.030、Cr2O3が0.012〜
0.06、NiOが0.03〜0.09、TiO2が0.2〜0.9、SO3（全硫
黄）が0.10〜0.40であり、鉄イオン比率（Fe2+/Fe3+）
が0.25〜0.40であり、Ｄ光源によるところの主波長が49
5〜505nmである濃緑色ガラスである。Means for Solving the Problems The present invention is a soda-lime-silica glass component and base composition, Fe 2 O 3 by wt% (total iron) is 1.1 to 1.8, CoO is .013 to .030, Cr 2 O 3 Is 0.012 ~
0.06, NiO is 0.03 to 0.09, TiO 2 is 0.2 to 0.9, a SO 3 (total sulfur) is 0.10 to 0.40, an iron ion ratio (Fe 2+ / Fe 3+)
Is 0.25 to 0.40, and the dominant wavelength due to the D light source is 49.
It is a dark green glass with a wavelength of 5 to 505 nm.
【０００６】また、板厚５mmにおける紫外線透過率が６
％以下、可視光透過率が20％以下、日射透過率が15％以
下、Ｄ光源によるところの刺激純度が10％以下である濃
緑色ガラスである。Further, the ultraviolet transmittance at a plate thickness of 5 mm is 6
%, A visible light transmittance of 20% or less, a solar transmittance of 15% or less, and a stimulus purity by a D light source of 10% or less.
【０００７】[0007]
【発明の実施の形態】本発明におけるソーダ石灰シリカ
系ガラスは、SiO2 68〜73wt％、Al2O3 ０〜３wt％、MgO
０〜５wt％、CaO ５〜12wt％、Na2O 10〜15wt％、K2O
０〜３wt％程度と、いわゆる通常のソーダ石灰シリカ
系ガラス並の範囲とするもので、ガラスの溶融性、成形
性、量産性、ガラス製品の耐水、耐候性等を総合して優
れるものである。Soda-lime-silica based glass in the Detailed Description of the Invention The present invention, SiO 2 68 ~73wt%, Al 2 O 3 0~3wt%, MgO
0~5wt%, CaO 5~12wt%, Na 2 O 10~15wt%, K 2 O
It is in the range of about 0 to 3% by weight, which is about the same level as that of ordinary soda-lime-silica glass, and is excellent in terms of glass meltability, moldability, mass productivity, water resistance and weather resistance of glass products. .
【０００８】本発明においてはガラス中に、各着色成分
を以下の範囲で均衡して含有させることにより、所望の
光学特性を得るものである。In the present invention, desired optical characteristics are obtained by equilibrating the coloring components in the following ranges in glass.
【０００９】Fe2O3(全鉄）は1.1〜1.8wt％の範囲とする
もので、Fe3+およびFe2+による紫外線、可視光線、日射
の透過率を下げ、緑色系着色を与える主要成分となる。
1.1wt％未満では前記作用を発揮し得ず、1.8wt％を越え
ると可視光透過率が低下し過ぎ、透視性を喪失する。好
ましくは1.2〜1.7wt％の範囲とする。また、鉄イオン比
率（Fe2+/Fe3+）は0.25〜0.40とするもので、0.25未満
では緑色が帯黄色となり、0.40を越えると青色系色調が
強くなり、所望の色調を得難い。The content of Fe 2 O 3 (total iron) is in the range of 1.1 to 1.8% by weight, and reduces the transmittance of ultraviolet light, visible light, and solar radiation by Fe 3+ and Fe 2+ , and gives a greenish color. Component.
If the content is less than 1.1 wt%, the above effect cannot be exerted. If the content exceeds 1.8 wt%, the visible light transmittance is too low, and the transparency is lost. Preferably, it is in the range of 1.2 to 1.7 wt%. Further, the iron ion ratio (Fe 2+ / Fe 3+ ) is 0.25 to 0.40. If it is less than 0.25, green color becomes yellowish, and if it exceeds 0.40, blue color tone becomes strong and it is difficult to obtain a desired color tone.
【００１０】CoOは波長550〜650nmの光を吸収し、CoO単
味ではガラスを青色系に着色させるが、前記Fe2O3とと
もに、ガラス中0.013〜0.030wt％の範囲で共存させるこ
とにより、550〜650nmの透過率を下げて中性色の緑色と
する作用がある。0.013wt％未満ではその作用が小さ
く、0.030wt％を越えると帯青色となる。好ましくは0.0
15〜0.025wt％の範囲とする。[0010] CoO absorbs light having a wavelength of 550 to 650 nm, and when CoO is used alone, the glass is colored blue. However, by coexisting with the above-mentioned Fe 2 O 3 in the glass in the range of 0.013 to 0.030 wt%, It has the effect of lowering the transmittance from 550 to 650 nm to a neutral green color. If it is less than 0.013% by weight, its effect is small, and if it exceeds 0.030% by weight, it becomes bluish. Preferably 0.0
The range is 15 to 0.025 wt%.
【００１１】Cr2O3は、波長450nm付近、および650nm付
近の光を吸収するもので、前記Fe2O3、CoOと共存させる
ことにより、緑色を更に安定にするもので、ガラス中0.
012〜0.06wt％の範囲で含有させる。0.012wt％未満、お
よび0.6wt％を越えるとその作用が小さく、所望の緑色
色調を得難い。より好ましい範囲は0.013〜0.050wt％で
ある。Cr 2 O 3 absorbs light at wavelengths of around 450 nm and around 650 nm. It coexists with Fe 2 O 3 and CoO to further stabilize the green color.
It is contained in the range of 012 to 0.06 wt%. If the content is less than 0.012 wt% or more than 0.6 wt%, the effect is small, and it is difficult to obtain a desired green color tone. A more preferred range is 0.013 to 0.050 wt%.
【００１２】NiOは、波長450nmをピークに400〜650nmの
光を吸収し、それ単味ではガラスを黄〜褐色に呈色させ
るもので、前記Fe2O3、CoO等と共存させ、0.03〜0.0９w
t％の範囲で含有させることにより、400〜650nmの透過
率を下げて、より中性色の緑色とする作用がある。0.03
wt％未満ではその作用が小さく、0.09wt％を越えると褐
色系色調が強くなる。より好ましい範囲は0.040〜0.080
wt％である。NiO absorbs light of 400 to 650 nm with a peak at a wavelength of 450 nm and, by itself, changes the color of the glass from yellow to brown, and coexists with Fe 2 O 3 , CoO, etc. 0.09w
By containing in the range of t%, there is an effect of lowering the transmittance of 400 to 650 nm and making the color more neutral green. 0.03
If it is less than wt%, the effect is small, and if it exceeds 0.09 wt%, the brown color tone becomes strong. A more preferred range is 0.040 to 0.080
wt%.
【００１３】TiO2は、波長400nm付近から短波長側の光
を吸収し、紫外線透過率を低減する作用があり、0.2〜
0.9wt％の範囲とするもので、0.2wt％未満ではその作用
が小さく、0.9wt％を越えると紫外域から可視域にわた
り光吸収が及び、緑色から帯黄色に色調が変化する。よ
り好ましい範囲は0.20〜0.80wt％である。TiO 2 has an effect of absorbing light on the short wavelength side from a wavelength of about 400 nm and reducing the transmittance of ultraviolet rays.
When the content is less than 0.2 wt%, the effect is small, and when the content exceeds 0.9 wt%, light absorption extends from the ultraviolet region to the visible region, and the color tone changes from green to yellowish. A more preferred range is from 0.20 to 0.80 wt%.
【００１４】清澄剤として硫酸塩、例えばNa2SO4、CaSO
4のかたちで導入する硫黄分(SO3)は、酸化剤としての作
用も重要で、鉄イオン比率（Fe2+/Fe3+）を前記適度な
範囲、すなわち0.25〜0.40とするうえで必須とするもの
であり、ガラス中0.10〜0.35wt％の範囲で含有させるも
のであるが、0.10wt％未満では前記清澄作用を発揮し難
く、0.35wt％を越えるとFe3+が過多となり、所望の光学
特性を得難い。Sulfates such as Na 2 SO 4 , CaSO
The sulfur content (SO 3 ) introduced in the form of 4 is also important as an oxidizing agent, and is indispensable for setting the iron ion ratio (Fe 2+ / Fe 3+ ) to the appropriate range, that is, 0.25 to 0.40. In the glass, it is contained in the range of 0.10 to 0.35 wt%. However, if it is less than 0.10 wt%, it is difficult to exert the fining effect, and if it exceeds 0.35 wt%, the content of Fe 3+ becomes excessive. It is difficult to obtain the optical characteristics of
【００１５】主波長は495〜505nmとすることにより、視
覚的に好ましい緑色を得ることができる。495nmより短
波長では青色味をおび、505nmより長波長では黄色味を
おびて好ましい色調とはならない。By setting the main wavelength to 495 to 505 nm, a visually preferable green color can be obtained. At wavelengths shorter than 495 nm, it has a blue tint, and at wavelengths longer than 505 nm, it has a yellow tint and is not a desirable color tone.
【００１６】標準の板厚5mmにおける紫外線透過率は６
％以下とすることにより、人体に与える影響を極力防止
し、色材の退色も極力抑制できる。The ultraviolet transmittance at a standard plate thickness of 5 mm is 6
%, The effect on the human body can be prevented as much as possible, and the fading of the coloring material can be suppressed as much as possible.
【００１７】また、板厚5mmにおける可視光透過率は20
％以下とするもので、例えば濃グレー色、濃ブロンズ色
ガラス等の濃着色ガラスにおいて可視光透過率を35％以
下とし、適度のプライバシー性を有するとともに透視性
を重視するケースと、可視光透過率を20％以下とし、適
度の透視性を有するとともにプライバシー性を重視する
ケースがあるが、本発明は後者に属し、20％を越えると
良好なプライバシー性を得るうえにおいては不充分であ
る。The visible light transmittance at a plate thickness of 5 mm is 20
% Or less, for example, dark colored glass such as dark gray color or dark bronze color glass, the visible light transmittance is set to 35% or less, and a case where importance is placed on transparency and moderate transparency, Although there is a case where the rate is set to 20% or less and the degree of privacy is emphasized while having an appropriate transparency, the present invention belongs to the latter, and if it exceeds 20%, it is insufficient to obtain good privacy.
【００１８】更に、板厚5mmにおける日射透過率は15％
以下とすることにより、熱線を良好に遮断でき、例えば
夏季における冷房負荷を効果的に低減できる。Further, the solar radiation transmittance at a plate thickness of 5 mm is 15%.
By setting as follows, the heat rays can be satisfactorily cut off, and the cooling load in summer can be effectively reduced, for example.
【００１９】Ｄ光源を用いて測定した刺激純度は10％以
下とする。すなわちガラスを通して見た物体の色（光）
は、ガラスの刺激純度が低いほど物体の本来の色に近い
色として観察され、例えばガラス越しに景色を自然色で
見るためには刺激純度は低い程良いが、10％以下とすれ
ば自然色に近い状態で見ることができる。The stimulus purity measured using the D light source is 10% or less. That is, the color (light) of the object as seen through the glass
The lower the stimulus purity of the glass, the closer to the original color of the object is observed as a color.For example, the lower the stimulus purity is, the better the stimulus purity is for viewing the scenery in natural color through the glass. It can be seen in a state close to.
【００２０】なお、前記可視光透過率と日射透過率はJI
S R3106、紫外線透過率はISO/DIS-9050により測定し、
また主波長と刺激純度はJIS Z8722に基づきＤ光源によ
り測定し、JIS Z8701に則り表示するものである。Note that the visible light transmittance and the solar transmittance are JI
S R3106, UV transmittance measured according to ISO / DIS-9050,
The dominant wavelength and stimulus purity are measured with a D light source based on JIS Z8722 and displayed according to JIS Z8701.
【００２１】本発明によれば、板厚1mm 前後の薄板ガラ
スから10mmを越える厚板ガラスにおいて、平板または曲
げ板として、生板から、半強化したもの、強化したもの
等も容易に製造でき、単板ガラス、積層ガラスあるいは
複層ガラス等として、建築用窓材、自動車、輸送機器用
窓材として好適に用いることができる。According to the present invention, in the case of a thin glass sheet having a thickness of about 1 mm and a thick glass sheet having a thickness of more than 10 mm, a half-strengthened or strengthened one as a flat plate or a bent plate can be easily manufactured from a raw plate. It can be suitably used as a sheet glass, a laminated glass, a double-layer glass, or the like, as a window material for architectural windows, automobiles, and transportation equipment.
【００２２】[0022]
【実施例】以下本発明の実施例について比較例と対比し
て説明する。EXAMPLES Examples of the present invention will be described below in comparison with comparative examples.
【００２３】基礎成分組成としてSiO2 72wt％、Al2O3
２wt％、MgO ４wt％、CaO ８wt％、Na2O 13wt％、K2O
１wt％、計100wt％を目標とし、原料として珪砂、長
石、ソーダ灰、ドロマイト、石灰石を採用し混合調整し
た。これに各着色成分、色調調整成分として所望量のFe
2O3（FeO）、CoO、Cr2O3、NiO、TiO2、SO3を含有させる
べく、ベンガラ、酸化コバルト、酸化クロム、酸化ニッ
ケル、酸化チタン、芒硝、カーボンを添加混合した。な
お芒硝はNa2SO4として酸化物ガラス100wt％に対し１wt
％以下の範囲で導入し、カーボンは芒硝の分解を助ける
ために併存するもので、芒硝１重量部に対して0.1重量
部以下の割合で添加した。The basic component composition is SiO 2 72 wt%, Al 2 O 3
2wt%, MgO 4wt%, CaO 8wt%, Na2O 13wt%, K2O
The target was 1 wt%, a total of 100 wt%, and silica sand, feldspar, soda ash, dolomite, and limestone were used as raw materials and mixed and adjusted. A desired amount of Fe is added to each of the coloring components and the color tone adjusting component.
In order to contain 2 O 3 (FeO), CoO, Cr 2 O 3 , NiO, TiO 2 , and SO 3 , bengara, cobalt oxide, chromium oxide, nickel oxide, titanium oxide, sodium sulfate, and carbon were added and mixed. Glauber's salt is 1 wt% for 100 wt% of oxide glass as Na 2 SO 4
%, And carbon coexists to help decompose the sodium sulfate, and was added at a ratio of 0.1 part by weight or less to 1 part by weight of sodium sulfate.
【００２４】原料を所望割合に調合し、該調合原料をル
ツボに入れ、実窯（例えば投入口近傍横側壁部）温度と
同等にある約1450℃前後に保持した電気炉中で約３〜４
時間程度溶融しガラス化し、さらに均質化および清澄の
ため、1420〜1430℃で約1.5〜２時間程度保持した後、
型に流し出しガラスブロックとし、板状に切り出して研
削研磨し、各測定試料とした。The raw materials are blended in a desired ratio, and the blended raw materials are put into a crucible and placed in an electric furnace maintained at about 1450 ° C., which is equivalent to the temperature of the actual kiln (for example, the side wall near the charging port), for about 3 to 4 hours.
After melting for about an hour and vitrifying, and further holding at 1420-1430 ° C. for about 1.5-2 hours for homogenization and clarification,
The glass block was poured into a mold, cut into a plate shape, ground and polished, and used as each measurement sample.
【００２５】これら試料について、着色・色調調整成分
組成の含有量（重量％）については重量法で分析し、光
学特性（５mm厚みにおける）としての可視光透過率
（％）、紫外線透過率（％）、日射透過率（％）、およ
び主波長（nm：於Ｄ65光源）、刺激純度（％：於Ｄ65光
源）を求めた。それらは規格に則りU4000型分光光度計
（日立製作所 (株) 製）により測定し算定されるもので
ある。For these samples, the content (% by weight) of the coloring / color tone adjusting component composition was analyzed by a gravimetric method, and visible light transmittance (%) and ultraviolet light transmittance (%) as optical characteristics (at a thickness of 5 mm) were obtained. ), solar transmittance (%), and dominant wavelength (nm: at illuminant D 65), an excitation purity (%: at illuminant D 65) was determined. They are measured and calculated using a U4000 spectrophotometer (manufactured by Hitachi, Ltd.) in accordance with the standards.
【００２６】それらの結果を、表１〜表４に示す。The results are shown in Tables 1 to 4.
【００２７】表１〜４に示すとおり、本実施例において
は、可視光透過率、紫外線透過率、日射透過率、主波
長、刺激純度等の光学特性において所期の範囲内にあ
り、比較的低い可視光透過率を有し、紫外線および日射
の遮蔽性能が高く、適度な透視性とプライバシー性を有
し、自動車等の車両、輸送機器用窓ガラスおよび建築用
窓ガラス等に適する濃い緑色のガラスを得ることができ
る。As shown in Tables 1 to 4, in the present embodiment, the optical characteristics such as visible light transmittance, ultraviolet light transmittance, solar transmittance, dominant wavelength, and stimulus purity are within expected ranges, and are relatively small. It has low visible light transmittance, high shielding performance against ultraviolet rays and solar radiation, has appropriate transparency and privacy, and is suitable for vehicles such as automobiles, windowpanes for transportation equipment and windowpanes for construction. You can get glass.
【００２８】他方、比較例においては、本発明における
着色・色調調整成分範囲とは外れ、所期の光学特性を得
ることはできない。On the other hand, in the comparative examples, the desired optical characteristics cannot be obtained because they are out of the range of the coloring / tone adjustment components in the present invention.
【００２９】[0029]
【表１】 [Table 1]
【００３０】[0030]
【表２】 [Table 2]
【００３１】[0031]
【表３】 [Table 3]
【００３２】[0032]
【表４】 [Table 4]
【００３３】[0033]
【発明の効果】本発明によれば、比較的低い可視光透過
率を有し、紫外線および日射の遮蔽性能が高く、適度な
透視性とプライバシー性を有し、自動車等の車両、輸送
機器用窓ガラスおよび建築用窓ガラス等に適する濃い緑
色のガラスを得ることができる。According to the present invention, it has a relatively low visible light transmittance, a high shielding performance against ultraviolet rays and solar radiation, has an appropriate transparency and privacy, and is used for vehicles such as automobiles and transportation equipment. A dark green glass suitable for window glass, architectural window glass, and the like can be obtained.
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 4G062 AA01 BB03 DA06 DA07 DB01 DB02 DB03 DC01 DD01 DE01 DF01 EA01 EB04 EC01 EC02 EC03 ED01 ED02 ED03 EE03 EE04 EF01 EG01 FA01 FB02 FC01 FD01 FE01 FF01 FG01 FH01 FJ01 FK01 FL01 GA01 GB02 GC01 GD01 GE01 HH01 HH03 HH05 HH07 HH08 HH09 HH12 HH13 HH15 HH17 JJ01 JJ03 JJ05 JJ07 JJ10 KK01 KK03 KK05 KK07 KK10 MM01 NN01 NN07 NN13 ──────────────────────────────────────────────────続 き Continued on the front page F-term (reference) 4G062 AA01 BB03 DA06 DA07 DB01 DB02 DB03 DC01 DD01 DE01 DF01 EA01 EB04 EC01 EC02 EC03 ED01 ED02 ED03 EE03 EE04 EF01 EG01 FA01 FB02 FC01 FD01 FE01 FF01 GA01 F01 FL01 GD01 GE01 HH01 HH03 HH05 HH07 HH08 HH09 HH12 HH13 HH15 HH17 JJ01 JJ03 JJ05 JJ07 JJ10 KK01 KK03 KK05 KK07 KK10 MM01 NN01 NN07 NN13
Claims (2)
とし、wt％でFe2O3（全鉄）が1.1〜1.8、CoOが0.013〜
0.030、Cr2O3が0.012〜0.06、NiOが0.03〜0.09、TiO2が
0.2〜0.9、SO3（全硫黄）が0.1〜0.35であり、鉄イオン
比率（Fe2+/Fe3+）が0.25〜0.40であり、Ｄ光源による
ところの主波長が495〜505nmであることを特徴とする濃
緑色ガラス。1. A base composition based on a soda-lime-silica-based glass component, wherein Fe 2 O 3 (total iron) is 1.1 to 1.8 and CoO is 0.013 to 0.01 wt%.
0.030, Cr 2 O 3 is .012-.06, NiO is 0.03 to 0.09, TiO 2 is
0.2 to 0.9, SO 3 (total sulfur) is 0.1 to 0.35, iron ion ratio (Fe 2+ / Fe 3+ ) is 0.25 to 0.40, and the main wavelength according to D light source is 495 to 505 nm Dark green glass characterized by the following.
下、可視光透過率が20％以下、日射透過率が15％以下、
Ｄ光源によるところの刺激純度が10％以下であることを
特徴とする濃緑色ガラス。2. An ultraviolet light transmittance of 6% or less, a visible light transmittance of 20% or less, a solar transmittance of 15% or less at a plate thickness of 5 mm,
A dark green glass having a stimulus purity of 10% or less as measured by a D light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11069489A JP2000264672A (en) | 1999-03-16 | 1999-03-16 | Deep green glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11069489A JP2000264672A (en) | 1999-03-16 | 1999-03-16 | Deep green glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000264672A true JP2000264672A (en) | 2000-09-26 |
Family
ID=13404183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11069489A Pending JP2000264672A (en) | 1999-03-16 | 1999-03-16 | Deep green glass |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000264672A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002234774A (en) * | 2000-12-04 | 2002-08-23 | Sumitomo Electric Ind Ltd | Ceramic optical component and method for producing the same |
| US9079794B2 (en) | 2009-12-17 | 2015-07-14 | Pilkington Group Limited | Soda lime silica glass composition |
-
1999
- 1999-03-16 JP JP11069489A patent/JP2000264672A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002234774A (en) * | 2000-12-04 | 2002-08-23 | Sumitomo Electric Ind Ltd | Ceramic optical component and method for producing the same |
| US9079794B2 (en) | 2009-12-17 | 2015-07-14 | Pilkington Group Limited | Soda lime silica glass composition |
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