JPH01108134A - UV blocking emerald green glass - Google Patents
UV blocking emerald green glassInfo
- Publication number
- JPH01108134A JPH01108134A JP26245587A JP26245587A JPH01108134A JP H01108134 A JPH01108134 A JP H01108134A JP 26245587 A JP26245587 A JP 26245587A JP 26245587 A JP26245587 A JP 26245587A JP H01108134 A JPH01108134 A JP H01108134A
- Authority
- JP
- Japan
- Prior art keywords
- glass
- emerald green
- weight
- light
- blocking
- 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 36
- NNBFNNNWANBMTI-UHFFFAOYSA-M brilliant green Chemical compound OS([O-])(=O)=O.C1=CC(N(CC)CC)=CC=C1C(C=1C=CC=CC=1)=C1C=CC(=[N+](CC)CC)C=C1 NNBFNNNWANBMTI-UHFFFAOYSA-M 0.000 title claims abstract description 14
- 230000000903 blocking effect Effects 0.000 title description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 15
- 239000011651 chromium Substances 0.000 claims abstract description 15
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052742 iron Inorganic materials 0.000 claims abstract description 12
- 239000005361 soda-lime glass Substances 0.000 claims abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 5
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 abstract description 4
- 230000006866 deterioration Effects 0.000 abstract description 4
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 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
- 229910052593 corundum Inorganic materials 0.000 abstract description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract description 3
- 239000000377 silicon dioxide Substances 0.000 abstract description 2
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 229910052723 transition metal Inorganic materials 0.000 description 3
- 150000003624 transition metals Chemical class 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 235000013334 alcoholic beverage Nutrition 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 241000579895 Chlorostilbon Species 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 229910052876 emerald Inorganic materials 0.000 description 1
- 239000010976 emerald Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical compound C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000003595 spectral effect Effects 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
-
- 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
【発明の詳細な説明】
（産業上の利用分野）
本発明は内容物の変質を促す紫外線、及び可視光低波長
域の光を遮断することができるエメラルドグリーンガラ
スに関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to emerald green glass that can block ultraviolet rays that promote deterioration of contents and light in the low wavelength range of visible light.
（従来の技術）
清酒等の酒類の保存は紫外線（波長が４００ｎｍ以下）
、及び可視光低波長域（４００〜４５０ｎ ｍ ）の光
により日光具、変色等の内容物の変質を生ずるため、遮
光性に優れた茶色あるいは黒色等の着色ガラス容器が利
用されていた。一方、エメラルドグリーンと称される緑
色系のガラス容器も、紫外線の遮断効果があるために内
容物の変質防止用容器として使用に供されているが、茶
色あるいは異色等のガラスに比べると遮光性が小さく、
その遮断効果は完全なものではなかった。(Conventional technology) Alcoholic beverages such as sake are stored using ultraviolet light (wavelength of 400 nm or less)
Because sunlight and light in the low wavelength range of visible light (400 to 450 nm) can cause deterioration of the contents, such as discoloration, colored glass containers such as brown or black, which have excellent light-shielding properties, have been used. On the other hand, green-colored glass containers called emerald green are also used as containers to prevent the contents from deteriorating because they have the effect of blocking ultraviolet rays; is small,
The blocking effect was not complete.
（発明が解決しようとする問題点）
本発明は、従来の問題点を解決して肉眼的にはエメラル
ドグリーン′の色調を保持しつつ、内容物の変質を促す
紫外線、及び可視光低波長域（４００〜４５０ ｎ ｍ
）の光をほぼ完全に遮断することが７きるエメラルド
グリーンガラスを提供することを目的とするものである
。(Problems to be Solved by the Invention) The present invention solves the conventional problems and maintains the color tone of emerald green when seen with the naked eye, while avoiding ultraviolet rays and visible light in the low wavelength range that promote deterioration of the contents. (400-450nm
The object of the present invention is to provide an emerald green glass that can almost completely block out light.
（問題点を解決するための手段）
本発明は、重量％表示で、
５ｉ０２ ４０〜７５％
Ａｌ２Ｏ３０〜４％
ＣａＯ＋ＭｇＯ ５〜２０％
Ｎａ２Ｏ＋Ｋ２Ｏ １０〜２０％
を主成分とするソーダライムガラスにおいて、クロム含
有１ｋ（Ｃｒ２０ｓ表示で）が０．４重量％以上で、か
つ鉄含有量（Ｆｅｘ（Ｃ表示で）が０．０４５重量％以
下であることを特徴とするものである。(Means for Solving the Problems) The present invention provides soda-lime glass whose main components are 5i02 40-75% Al2O30-4% CaO+MgO 5-20% Na2O+K2O 10-20% in weight percent. 1k (in Cr20s representation) is 0.4% by weight or more, and the iron content (Fex (in C representation)) is 0.045% by weight or less.
本発明におけるガラスは一般的なソーダライムガラスで
あり、主成分及び着色剤の含有量限定理由は次のとおり
である。The glass used in the present invention is a common soda lime glass, and the reasons for limiting the content of the main component and colorant are as follows.
５ｉ０２はガラスのネットワークフォーマ−であり、４
０〜７５重量％の範囲で含有される。５ｉ０２が４０％
以下ではガラスの耐水性が悪化し、又ガラスが失透しや
すくなり、一方７５％以上ではガラスの溶解性が悪化す
る。5i02 is a glass network former, 4
It is contained in a range of 0 to 75% by weight. 5i02 is 40%
If it is less than 75%, the water resistance of the glass deteriorates and the glass tends to devitrify, while if it exceeds 75%, the solubility of the glass deteriorates.
Ａｌ２Ｏ３はガラスの耐水性、耐候性を向上させるため
４重量％まで含有させることができる。Al2O3 can be contained up to 4% by weight in order to improve the water resistance and weather resistance of the glass.
Ｃａ Ｏ＋ Ｍ ｇ Ｏはガラスのネットワークモデイ
ファイヤーであり、いずれか単独で、あるいは双方で５
〜２０重量％の範囲で含有される。５％以下では安定な
ガラスを得ることができず、一方２０％以上ではガラス
が失透しやすくなる。Ca O + M g O are glass network modifiers, either alone or both
It is contained in a range of 20% by weight. If it is less than 5%, stable glass cannot be obtained, while if it is more than 20%, the glass tends to devitrify.
Ｎａ２Ｏ＋Ｋ２Ｏはフラックスとしていずれか単独で、
あるいは双方で少なくとも１０重量％含有されるが、２
０重量％を越えるとガラスの耐水性、耐候性が悪化する
ので好ましくない。Either Na2O+K2O can be used alone as a flux,
or at least 10% by weight of both, but 2
If it exceeds 0% by weight, the water resistance and weather resistance of the glass will deteriorate, which is not preferable.
エメラルドグリーンを呈するための着色剤としてはクロ
ムを使用し、その含有量ＣＣｒ２Ｏ５表示で）は０．４
重量％以上が必要である。Chromium is used as a coloring agent to exhibit emerald green, and its content (expressed as CCr2O5) is 0.4
% by weight or more is required.
ガラス中のクロムはＣｒ８＋とＣｒ３＋の形で存在し、
Ｃｒ６＋の量が多いほど紫外線、及び可視光低波長域の
光の遮光性が高いことが判っており、このＣｒ６＋の量
はトータルクロム量、ガラスのＲｅｄｏｘ指数、他の遷
移金属の存在等によって決定されるものである。そこで
、本発明者はガラス中におけるＣｒＢ＋の残存量につき
種々調査した結果、ＣｒＧ＋／トータルクロムの比（％
）は第２図に示す如く、トータルクロム含有量（Ｃｒ２
Ｏ３表示で）が０．４重量％以上にな°ると急激に増加
することを見出し本発明を完成するに至った（鉄含有量
はＦｅ１０３表示で０．０４重量％）。即ち、ガラス中
におけるＣｒ８十の量はクロム含有量（Ｃｒ１１０３表
示で）が０．４重量％を越えると相乗的に大きくなり、
その結果紫外線、及び可視光低波長域の光の遮光性を著
しく向上させることとなるのである。Chromium in glass exists in the form of Cr8+ and Cr3+,
It is known that the higher the amount of Cr6+, the higher the ability to block ultraviolet rays and light in the low wavelength range of visible light.The amount of Cr6+ is determined by the total amount of chromium, the Redox index of the glass, the presence of other transition metals, etc. It is something that will be done. Therefore, as a result of various investigations into the residual amount of CrB+ in glass, the present inventor found that the ratio of CrG+/total chromium (%
) is the total chromium content (Cr2
The present invention was completed by discovering that the iron content (in terms of O3) increases rapidly when it reaches 0.4% by weight or more (the iron content is 0.04% by weight in terms of Fe103). That is, the amount of Cr80 in glass increases synergistically when the chromium content (in Cr1103 representation) exceeds 0.4% by weight.
As a result, the ability to block ultraviolet light and light in the low wavelength range of visible light is significantly improved.
一方、ガラス中に他の遷移金属が存在するとＣｒ６＋を
還元してＣｒ８＋の残存量を減少させ紫外線等の遮光効
果を損なうことになるので、他の遷移金属は含有しない
ことが望ましい。ところが、ガラス原料である珪砂等の
天然原料には必ずＦｅ２Ｏ３が混入しているので、本発
明者は鉄含有量とＣｒＢ＋の比率との関係を調査した結
果、第３図に示すように、Ｃｒ６＋／トータルクロムの
比（％）は鉄含有量（Ｆｅ！０３表示で）が０．０４５
重量％以上になると急激に減少することを見出した（ク
ロム含有量はＣｒ２Ｏ３表示で０．４重量％）。即ち、
ガラス中におけるＣｒ８＋の量は鉄含有量（Ｆｅｚ０３
表示で〉が０．０４５重量％以下であれば相乗的に大き
くなり、その結果紫外線、及び可視光低波長域の光の遮
光性を著しく向上させることができる。On the other hand, if other transition metals are present in the glass, Cr6+ will be reduced and the residual amount of Cr8+ will be reduced, impairing the light shielding effect against ultraviolet rays, etc., so it is desirable that other transition metals not be contained. However, since Fe2O3 is always mixed in natural raw materials such as silica sand, which is a raw material for glass, the present inventor investigated the relationship between the iron content and the ratio of CrB+, and as a result, as shown in Figure 3, Cr6+ /Total chromium ratio (%) is iron content (Fe!03 display) is 0.045
It has been found that the chromium content decreases rapidly when it exceeds % by weight (chromium content is 0.4% by weight expressed as Cr2O3). That is,
The amount of Cr8+ in glass is determined by the iron content (Fez03
If > is 0.045% by weight or less, it becomes synergistically large, and as a result, the light blocking properties of ultraviolet rays and light in the low wavelength range of visible light can be significantly improved.
以上のように、本発明においてはクロム含有量と鉄含有
量とを一定範囲に限定することにより、肉眼的にはエメ
ラルドグーンの色調を維持しつつ紫外線、及び可視光低
波長域の光の遮光性に非常に優れたガラスを提供をする
ものである。As described above, in the present invention, by limiting the chromium content and iron content to a certain range, the color tone of emerald goon is maintained when viewed with the naked eye, while blocking ultraviolet rays and light in the low wavelength range of visible light. It provides glass with excellent properties.
（実施例）
重量％表示で５ｉ０２ニア２％、Ａｌ２Ｏ３：２％、Ｃ
ａＯ＋ＭｇＯ：１１％、Ｎａ２Ｏ＋Ｋ２Ｏ：１４％であ
って、クロム含有量（ＣｒｐＱｓ表示で）が０．４５重
量％、かつ鉄含有量（Ｆｅ２０３表示で）が０゜０４％
重量％の組成を有するエメラルドグリーンガラスを得た
。このガラス（厚み２ ｍ ）の色特性はＣ，１，Ｅ、
表示で主波長：５６７．９ｎｍ、刺激純度ニア５．１％
、明度： ４９．０％であり、肉眼的にはエメラルドグ
リーンと称される緑色系の色であった。又、このガラス
の３５０〜７００ｎｍ分光透過率は第１図に（実線）に
示すとおりの曲線１であった。(Example) 5i02 near 2%, Al2O3: 2%, C in weight%
aO + MgO: 11%, Na2O + K2O: 14%, chromium content (in CrpQs representation) is 0.45% by weight, and iron content (in Fe203 representation) is 0°04%.
An emerald green glass having a composition of % by weight was obtained. The color properties of this glass (2 m thick) are C, 1, E,
Main wavelength as shown: 567.9nm, excitation purity near 5.1%
, brightness: 49.0%, and visually it was a greenish color called emerald green. Further, the spectral transmittance of this glass in the range of 350 to 700 nm was curve 1 as shown in FIG. 1 (solid line).
第１図中、破線は従来のエメラルドグリーンガラスの透
過率曲線２を示すものであるが、従来のエメラルドグリ
ーンガラスに比べて本発明のものが紫外線（波長が４０
０ｎｍ以下）、及び可視光低波長域（４００〜４５０
ｎ ｍ ）の光を十分に遮断するものであることが判る
。In Figure 1, the broken line shows the transmittance curve 2 of the conventional emerald green glass.
0 nm or less), and visible light low wavelength range (400 to 450
It can be seen that it sufficiently blocks light of nm).
（発明の効果）
本発明は以上の説明からも明らかなように、肉眼的には
エメラルドグリーンの色調を維持しつつ紫外線、及び可
視光低波長域の光の遮光性に非常に優れたガラスを提供
するものであり、例えば清酒等の酒類の保存用ガラス容
器に利用すれば内容物の変質を防止する新規なガラス容
器を提供することができる。(Effects of the Invention) As is clear from the above description, the present invention provides a glass that maintains an emerald green color tone to the naked eye and has excellent light shielding properties for ultraviolet rays and light in the low wavelength range of visible light. For example, if used as a glass container for storing alcoholic beverages such as sake, it is possible to provide a new glass container that prevents the contents from deteriorating.
このように本発明は新規な組成のエメラルドグリーンガ
ラスを提供するもので、ガラス産業界の発達に大いに寄
与するものである。As described above, the present invention provides an emerald green glass with a novel composition, which greatly contributes to the development of the glass industry.
第１図は実施例におけるガラスの透過率を示すグラフ、
第２図はクロム含有量とＣｒ８＋の比率との関係を示す
グラフ、第３図は鉄含有量とＣｒｆｉ＋の比率との関係
を示すグラフである。FIG. 1 is a graph showing the transmittance of glass in the example.
FIG. 2 is a graph showing the relationship between the chromium content and the Cr8+ ratio, and FIG. 3 is a graph showing the relationship between the iron content and the Crfi+ ratio.
Claims (1)
有量（Ｃｒ＿２Ｏ＿３表示で）が０．４重量％以上で、
かつ鉄含有量（Ｆｅ＿２Ｏ＿３表示で）が０．０４５重
量％以下であることを特徴とする紫外線遮断エメラルド
グリーンガラス。[Claims] [1] In soda lime glass whose main components are: SiO_240-75% Al_2O_30-4% CaO+MgO5-20% Na_2O+K_2O 10-20% in weight%, the chromium content (in Cr_2O_3) is 0. .4% by weight or more,
A UV-blocking emerald green glass characterized in that the iron content (expressed as Fe_2O_3) is 0.045% by weight or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26245587A JPH01108134A (en) | 1987-10-17 | 1987-10-17 | UV blocking emerald green glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26245587A JPH01108134A (en) | 1987-10-17 | 1987-10-17 | UV blocking emerald green glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01108134A true JPH01108134A (en) | 1989-04-25 |
Family
ID=17376025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26245587A Pending JPH01108134A (en) | 1987-10-17 | 1987-10-17 | UV blocking emerald green glass |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01108134A (en) |
-
1987
- 1987-10-17 JP JP26245587A patent/JPH01108134A/en active Pending
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