JPH08239236A - Uv-transmitting black glass - Google Patents
Uv-transmitting black glassInfo
- Publication number
- JPH08239236A JPH08239236A JP6706395A JP6706395A JPH08239236A JP H08239236 A JPH08239236 A JP H08239236A JP 6706395 A JP6706395 A JP 6706395A JP 6706395 A JP6706395 A JP 6706395A JP H08239236 A JPH08239236 A JP H08239236A
- Authority
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- Prior art keywords
- glass
- ultraviolet
- nio
- black glass
- chemical durability
- 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.)
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Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、紫外線を透過し、可視
光線を吸収するガラスに関し、特に波長３６５ｎｍ付近
の紫外線の透過性に優れた紫外線透過黒色ガラスに関す
るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a glass which transmits ultraviolet rays and absorbs visible rays, and more particularly to an ultraviolet ray transmitting black glass which is excellent in transmitting ultraviolet rays having a wavelength around 365 nm.
【０００２】[0002]
【従来の技術】紫外線透過黒色ガラスは、主にブラック
ライト用水銀灯外囲器バルブに使用される。このガラス
は、３６５ｎｍの波長前後の紫外線をよく透過させて夜
間あるいは暗室内に載置した蛍光物質を塗布した物体や
蛍光標識等を発光させることが可能であり、特殊な照明
効果が得られるため、独自の雰囲気を醸し出すのに有用
である。またこのガラスの他の用途としては、秘密信号
用フィルター、紫外線鑑別器があり、いずれも可視光線
を完全に吸収するために光源が見えないという利点があ
る。2. Description of the Related Art Ultraviolet-transmitting black glass is mainly used for mercury lamp envelope bulbs for black lights. This glass allows ultraviolet rays around a wavelength of 365 nm to pass through well, and can emit an object coated with a fluorescent substance placed at night or in a dark room, a fluorescent marker, or the like to obtain a special lighting effect. Useful to create a unique atmosphere. Other uses of this glass include filters for secret signals and ultraviolet ray discriminators, both of which have the advantage that the light source cannot be seen because they completely absorb visible light.
【０００３】紫外線透過黒色ガラスは、大量生産するほ
どの需要がないため、一般に粘土坩堝の溶融方式で手巻
き吹き上げによって生産されている。またこの種のガラ
スの材質としては、ソーダライム系ガラスの基礎ガラス
に、可視光線の吸収性能を付与する目的で着色剤を添加
したガラスが主に使用されている。[0003] Since ultraviolet-transparent black glass is not in demand for mass production, it is generally produced by hand-blowing by a melting method of a clay crucible. Further, as a material of this type of glass, a glass obtained by adding a colorant to a basic glass of soda lime glass for the purpose of imparting a visible light absorbing performance is mainly used.
【０００４】[0004]
【発明が解決しようとする課題】しかしながらソーダラ
イム系ガラスは、アルカリ金属酸化物やアルカリ土類金
属酸化物を多量に含有するため、溶融性に優れている
が、３０〜３８０℃における熱膨張係数が１００×１０
-7／℃程度と高くなるため、耐熱衝撃性が１００℃程度
と低いという欠点がある。However, soda lime type glass contains a large amount of alkali metal oxides and alkaline earth metal oxides and therefore has excellent meltability, but the coefficient of thermal expansion at 30 to 380 ° C. Is 100 × 10
Since it is as high as −7 / ° C., there is a drawback that the thermal shock resistance is as low as 100 ° C.
【０００５】そのため、このようなガラスからブラック
ライト用水銀灯バルブの外囲器を作製した場合、これを
屋外で点灯し、その表面が２００℃以上となった時に、
雨が降りかかったり、水滴が付着するとガラスに熱衝撃
が与えられ割れることがある。Therefore, when an envelope for a mercury lamp bulb for black light is produced from such glass, it is lit outdoors, and when its surface reaches 200 ° C. or higher,
If it rains or drops of water adhere to it, the glass may be subject to thermal shock and break.
【０００６】またソーダライム系ガラスは、化学的耐久
性が悪いため、これからブラックライト用水銀灯バルブ
外囲器を作製し、屋外で使用すると、バルブ外囲器表面
が雨や結露により白濁して紫外線透過率が低下し、製品
の光学的性能を著しく劣化させてしまうという欠点もあ
る。Further, since soda lime type glass has poor chemical durability, when a mercury lamp bulb envelope for black light is produced from this and is used outdoors, the bulb envelope surface becomes clouded due to rain or dew condensation, resulting in ultraviolet rays. There is also a drawback that the transmittance is lowered and the optical performance of the product is significantly deteriorated.
【０００７】本発明は、上記事情に鑑みなされたもので
あり、耐熱衝撃性と化学的耐久性に優れているため、例
えばブラックライト用水銀灯バルブ外囲器を作製し、こ
れに雨が降りかかっても割れたり、紫外線透過率が低下
することのない紫外線透過黒色ガラスを提供することを
目的とする。The present invention has been made in view of the above circumstances, and since it is excellent in thermal shock resistance and chemical durability, for example, a mercury lamp bulb envelope for a black light is produced, and it rains. It is an object of the present invention to provide an ultraviolet-transparent black glass that is not broken or has a reduced ultraviolet transmittance.
【０００８】[0008]
【問題を解決するための手段】本発明者は種々の実験を
行った結果、硼珪酸系ガラスで基礎ガラスを形成し、こ
こにＣｏＯ、ＮｉＯ、Ｆｅ2Ｏ3等の着色剤を多量に含有
させながらも、ＢａＯ、ＣａＯ、ＭｇＯ、ＺｎＯ、Ｐｂ
Ｏの各成分を適量導入すると、波長３６５ｎｍ付近の紫
外線透過率が高く、しかも優れた耐熱衝撃性、化学的耐
久性及び溶融性を有する紫外線透過黒色ガラスが得られ
ることを見いだし、本発明を提案するに至った。As a result of various experiments, the inventor of the present invention formed a basic glass of borosilicate glass and contained a large amount of colorants such as CoO, NiO and Fe 2 O 3 therein. BaO, CaO, MgO, ZnO, Pb
It has been found that, when an appropriate amount of each component of O is introduced, a UV-transparent black glass having a high UV transmittance around a wavelength of 365 nm and excellent thermal shock resistance, chemical durability and meltability can be obtained, and the present invention is proposed. Came to do.
【０００９】すなわち本発明の紫外線透過黒色ガラス
は、重量百分率で、ＳｉＯ2 ５５〜７５％、Ａｌ2Ｏ3
１〜７％、Ｂ2Ｏ3 １０〜２０％、ＢａＯ ０．５〜５
％、ＣａＯ＋ＭｇＯ ０〜５％、ＺｎＯ ０〜３％、Ｐ
ｂＯ ５〜１５％、Ｎａ2Ｏ１．５〜７％、Ｋ2Ｏ ０．
５〜５％、ＮｉＯ ０．３〜７％、ＣｏＯ ０．５〜８
％、ＮｉＯ＋ＣｏＯ ４．５〜１０％、Ｆｅ2Ｏ3 ０．
０１〜０．２％、Ａｓ2Ｏ3 ０〜１％、Ｓｂ2Ｏ3 ０〜１
％、Ｃｌ2 ０〜１％、Ｆ2 ０〜１％の酸化物組成を
有し、波長３６５ｎｍにおける紫外線を５０％以上透過
し、可視光線を吸収する光学的特性を有することを特徴
とする。That is, the ultraviolet-transparent black glass of the present invention has a weight percentage of SiO 2 55 to 75% and Al 2 O 3
1~7%, B 2 O 3 10~20 %, BaO 0.5~5
%, CaO + MgO 0-5%, ZnO 0-3%, P
bO 5~15%, Na 2 O1.5~7% , K 2 O 0.
5-5%, NiO 0.3-7%, CoO 0.5-8
%, NiO + CoO 4.5-10%, Fe 2 O 3 0.
01-0.2%, As 2 O 3 0-1%, Sb 2 O 3 0-1
%, Cl 2 0 to 1%, F 2 0 to 1%, and an optical characteristic of transmitting 50% or more of ultraviolet rays at a wavelength of 365 nm and absorbing visible light.
【００１０】[0010]
【作用】本発明の紫外線透過黒色ガラスは、波長３６５
ｎｍ付近の紫外線透過率が高く、可視光線を吸収すると
共に、耐熱衝撃性、化学的耐久性および溶融性に優れて
いる。The ultraviolet light transmitting black glass of the present invention has a wavelength of 365
It has a high ultraviolet transmittance in the vicinity of nm, absorbs visible light, and is excellent in thermal shock resistance, chemical durability and meltability.
【００１１】すなわち本発明のガラスは、ソーダライム
系ガラスに比べてアルカリ金属酸化物の含有量が少ない
ため、熱膨張係数が６０×１０-7／℃以下と低く、また
ＪＩＳ Ｒ３５０２の規定に基づく粉末法アルカリ溶出
試験によるアルカリ溶出量が、０．１ｍｇ未満である。
しかも本発明のガラスは、アルカリ金属酸化物を少量に
抑えながらも、Ｂ2Ｏ3とＰｂＯを比較的多量に含有する
ため、粘土坩堝を使用して容易に溶融することが可能で
ある。That is, the glass of the present invention has a low thermal expansion coefficient of 60 × 10 −7 / ° C. or less because the content of the alkali metal oxide is smaller than that of the soda lime type glass, and it is based on the regulation of JIS R3502. The amount of alkali elution by the powder method alkali elution test is less than 0.1 mg.
Moreover, since the glass of the present invention contains a relatively large amount of B 2 O 3 and PbO while suppressing the amount of alkali metal oxides to a small amount, it can be easily melted using a clay crucible.
【００１２】以下、本発明の紫外線透過黒色ガラスを構
成する各成分の作用と、それらの含有範囲の限定理由を
示す。The action of each component constituting the ultraviolet-transparent black glass of the present invention and the reasons for limiting the content range thereof will be shown below.
【００１３】ＳｉＯ2 は、ガラスの骨格を形成する成分
である。その含有量が５５％より少ないと、ガラスの熱
膨張係数が大きくなりすぎて、耐熱衝撃性が悪くなると
共に化学的耐久性が低下する。一方、７５％より多い
と、ガラスの溶融が困難となり、粘土坩堝での生産が出
来なくなる。SiO 2 is a component that forms the skeleton of glass. If the content is less than 55%, the thermal expansion coefficient of the glass becomes too large, the thermal shock resistance deteriorates, and the chemical durability decreases. On the other hand, if it is more than 75%, it becomes difficult to melt the glass, and production in a clay crucible becomes impossible.
【００１４】Ａｌ2Ｏ3 は、ガラスの失透を抑制し、化
学的耐久性を付与する成分である。その含有量が１％よ
り少ないと、ガラスが失透し易くなり、一方、７％より
多いと、ガラスの粘度が上昇して溶融が困難となる。Al 2 O 3 is a component that suppresses devitrification of glass and imparts chemical durability. If the content is less than 1%, the glass tends to devitrify, while if it is more than 7%, the viscosity of the glass increases and melting becomes difficult.
【００１５】Ｂ2Ｏ3 は、溶融性を良くする融剤として
作用すると共にガラスの低膨張化には不可欠の成分であ
る。その含有量が１０％より少ないとガラスの溶融が困
難となると共に、熱膨張係数が大きくなりすぎる。一
方、２０％より多いと、ガラスが分相し易くなり化学的
耐久性が悪化する。B 2 O 3 acts as a flux for improving the meltability and is an essential component for lowering the expansion of the glass. If the content is less than 10%, it becomes difficult to melt the glass and the coefficient of thermal expansion becomes too large. On the other hand, when it is more than 20%, the glass is likely to undergo phase separation and the chemical durability is deteriorated.
【００１６】ＢａＯは、ガラスの溶融性の改善、熱膨張
係数の低下及び化学的耐久性の向上に効果がある成分で
あるが、その含有量が０．５％より少ないと、その効果
に乏しい。一方、５％より多いと、ガラスが不安定とな
り失透傾向が強くなる。BaO is a component effective in improving the melting property of glass, lowering the coefficient of thermal expansion, and improving the chemical durability, but if its content is less than 0.5%, its effect is poor. . On the other hand, if it exceeds 5%, the glass becomes unstable and the devitrification tendency becomes strong.
【００１７】ＣａＯとＭｇＯは、ガラスの溶融性を改善
するためにＢａＯの一部と置換して用いられるが、合量
で５％より多くなると、化学的耐久性が悪化するため好
ましくない。CaO and MgO are used by substituting a part of BaO in order to improve the melting property of glass, but if the total amount exceeds 5%, the chemical durability is deteriorated, which is not preferable.
【００１８】ＺｎＯはガラスの化学的耐久性を改善する
ためにＢａＯの一部と置換して用いても良いが、その含
有量が３％より多いと、ガラスが不安定となり失透傾向
が強くなる。ZnO may be used by substituting a part of BaO in order to improve the chemical durability of the glass, but if the content thereof is more than 3%, the glass becomes unstable and the devitrification tendency is strong. Become.
【００１９】ＰｂＯは、ガラスの溶融性を改善し、紫外
線透過率を高める成分であるが、その含有量が５％より
少ないとその効果に乏しく、一方、１５％より多いと、
熱膨張係数が大きくなりすぎる。PbO is a component that improves the melting property of glass and increases the ultraviolet transmittance, but if its content is less than 5%, its effect is poor, while if it is more than 15%, it is
The coefficient of thermal expansion becomes too large.
【００２０】Ｎａ2 Ｏは、ガラスの融剤として作用し、
溶融性を大きく改善させるために用いるが、その含有量
が１．５％より少ないとその効果に乏しく、一方、７％
より多いと、熱膨張係数が大きくなりすぎると共に化学
的耐久性も悪化する。Na 2 O acts as a flux for glass,
It is used to greatly improve the meltability, but if its content is less than 1.5%, its effect is poor, while it is 7%.
If it is more, the coefficient of thermal expansion will be too large and the chemical durability will be deteriorated.
【００２１】Ｋ2 Ｏは、ガラスの安定性を向上させる効
果があり、Ｎａ2 Ｏの一部と置換させて用いることが可
能であるが、その含有量が０．５％より少ないとその効
果に乏しく、一方、５％より多いと、ガラスが固くなり
溶融困難になると共に化学的耐久性が悪化する。K 2 O has an effect of improving the stability of glass and can be used by substituting a part of Na 2 O, but if the content is less than 0.5%, the effect is obtained. On the other hand, if it is more than 5%, the glass becomes hard and it becomes difficult to melt, and the chemical durability deteriorates.
【００２２】ＮｉＯは、ガラスの紫外域の透過率を高く
維持させながら、可視域の光を吸収させるために重要な
役割を果たす成分であるが、その含有量が０．３％より
少ないとその効果に乏しく、一方、７％よりも多いと、
３６５ｎｍ付近の透過率が著しく低下する。NiO is a component that plays an important role in absorbing light in the visible region while maintaining a high transmittance in the ultraviolet region of glass, but if its content is less than 0.3%, The effect is poor, while if it is more than 7%,
The transmittance around 365 nm is significantly reduced.
【００２３】ＣｏＯは、ＮｉＯと併用することにより可
視域の光を吸収させることが出来る成分であるが、その
含有量が０．５％よりも少ないと、その効果が充分に得
られず、一方、８％よりも多いと、３６５ｎｍ付近の透
過率が著しく低下すると共に溶融性が悪化する。CoO is a component capable of absorbing light in the visible region when used in combination with NiO, but if its content is less than 0.5%, its effect cannot be sufficiently obtained. , 8%, the transmittance in the vicinity of 365 nm is significantly reduced and the meltability is deteriorated.
【００２４】また本発明においては、上記した割合でＮ
ｉＯとＣｏＯの含有量を規制すると共に、さらにこれら
の合量を４．５〜１０％に規制することが重要である。
すなわちこれらの成分の合量が、４．５％より少ない
と、可視域の光を十分に吸収することが困難となり、一
方、１０％より多いと、３６５ｎｍ付近の透過率が著し
く低下するからである。Further, in the present invention, N
It is important to regulate the contents of iO and CoO and further regulate their total amount to 4.5 to 10%.
That is, if the total amount of these components is less than 4.5%, it becomes difficult to sufficiently absorb light in the visible region, while if the total amount is more than 10%, the transmittance near 365 nm is significantly reduced. is there.
【００２５】Ｆｅ2Ｏ3 は、紫外域の長波長側、すなわ
ち４００ｎｍ付近の光を吸収して可視域での光吸収を充
分に行わせしめるために必要な成分ではあるが、その含
有量が０．０１％より少ないとその効果が得られず、一
方、０．２％より多いと、３６５ｎｍ付近の透過率が低
下するため好ましくない。Fe 2 O 3 is a component necessary for absorbing light in the long wavelength side of the ultraviolet region, that is, near 400 nm to sufficiently absorb light in the visible region, but its content is 0. If it is less than 0.01%, the effect cannot be obtained. On the other hand, if it is more than 0.2%, the transmittance near 365 nm decreases, which is not preferable.
【００２６】Ａｓ2Ｏ3 は、ガラスの泡切り剤として作
用する成分であり、１％まで含有することが出来るが、
これより多い場合にはその効果が飽和する。As 2 O 3 is a component which acts as a defoaming agent for glass and can be contained up to 1%.
If more than this, the effect is saturated.
【００２７】Ｓｂ2Ｏ3 は、ガラスの泡切り剤として作
用し、特に低温溶融の場合に効果がある成分であり、１
％まで含有することが出来るが、これより多い場合には
その効果が飽和する。Sb 2 O 3 is a component that acts as a defoaming agent for glass and is particularly effective in the case of low temperature melting.
%, It is possible to contain up to%, but if it is more than this, the effect is saturated.
【００２８】Ｃｌ2 とＦ2 も同様にガラスの泡切りを促
進する効果があり、それぞれ１％まで用いることが出来
るが、これより多い場合には粘土坩堝の侵食が激しくな
って耐火物のスジやガラスと耐火物の反応物質がガラス
製品中に流出し易くなるため好ましくない。Cl 2 and F 2 similarly have the effect of promoting defoaming of glass and can be used up to 1% each, but if they are more than this, the erosion of the clay crucible becomes severe and the streaks of refractory It is not preferable because the reaction material of glass or refractory material easily flows out into the glass product.
【００２９】[0029]
【実施例】以下、本発明の紫外線透過黒色ガラスを実施
例に基づき詳細に説明する。EXAMPLES The ultraviolet transparent black glass of the present invention will be described in detail below with reference to examples.
【００３０】表１は本発明の実施例のガラス（試料Ｎ
ｏ．１〜６）と比較例のガラス（試料Ｎｏ．７〜１０）
の組成と特性を示すものである。Table 1 shows the glass of the embodiment of the present invention (Sample N).
o. 1 to 6) and comparative glass (Sample Nos. 7 to 10)
It shows the composition and characteristics of.
【００３１】[0031]
【表１】 [Table 1]
【００３２】表１のＮｏ．１〜１０の各試料は、次のよ
うにして調製した。No. 1 in Table 1 Each sample of 1-10 was prepared as follows.
【００３３】まず表１に示す組成のガラスになるように
調合したガラス原料を白金坩堝に入れ、電気炉中で１４
００℃、１６時間の条件で溶融した後、この溶融ガラス
を鉄板上に流し出し、次いで５５０℃に保持した徐冷炉
に投入して除歪を施した。First, glass raw materials prepared to give a glass having the composition shown in Table 1 were put into a platinum crucible and placed in an electric furnace for 14 hours.
After melting under the conditions of 00 ° C. for 16 hours, this molten glass was poured out on an iron plate and then placed in an annealing furnace kept at 550 ° C. to remove strain.
【００３４】このようにして作製した各試料を１０ｍｍ
×１０ｍｍ×１ｍｍの寸法に切り出した後、分光光度計
を使用して、波長３６５ｎｍにおける紫外線透過率と、
波長４５０〜６５０ｎｍにおける可視光線透過率を測定
した。尚、各試料の研磨は、酸化セリウムにより両面の
光学的研磨を施した。Each of the samples prepared in this way is set to 10 mm.
After cutting into a size of × 10 mm × 1 mm, using a spectrophotometer, the ultraviolet transmittance at a wavelength of 365 nm,
The visible light transmittance at a wavelength of 450 to 650 nm was measured. The polishing of each sample was performed by optically polishing both surfaces with cerium oxide.
【００３５】また各試料について、石英管式膨張計を用
いて３０〜３８０℃における平均熱膨張係数を測定し、
ＪＩＳ Ｒ３５０２法の規定に基づく粉末法アルカリ溶
出試験を実施して溶出アルカリ量を原子吸光分析により
測定し、さらに周知の白金球引き上げ方式により１０
2.5ポイズ粘度における温度を測定し、これらの測定結
果を表１に示した。For each sample, the average coefficient of thermal expansion at 30 to 380 ° C. was measured using a quartz tube type dilatometer,
The powder method alkali elution test based on the JIS R3502 method is carried out to measure the elution alkali amount by atomic absorption spectrometry.
The temperature at 2.5 poise viscosity was measured, and the measurement results are shown in Table 1.
【００３６】表１から明らかなように実施例であるＮ
ｏ．１〜６の各試料は、紫外線透過率が６１．５〜８
０．０％と高いが、可視光線は全く透過しなかった。ま
た平均熱膨張係数が４９×１０-7／℃以下であるため耐
熱衝撃性に優れ、アルカリ溶出量が、０．１０ｍｇ以下
と小さいため化学的耐久性にも優れ、しかも溶融粘度に
おける１０2.5ポイズの温度が１３００℃以下であるた
め、溶融性に優れていた。As is clear from Table 1, N which is an embodiment
o. Each of the samples 1 to 6 has an ultraviolet transmittance of 61.5 to 8
Although as high as 0.0%, no visible light was transmitted. Further, the average thermal expansion coefficient is 49 × 10 −7 / ° C. or less, which is excellent in thermal shock resistance, and the alkali elution amount is 0.10 mg or less, which is also excellent in chemical durability, and is 10 2.5 poise in melt viscosity. Since the temperature was 1300 ° C. or lower, the meltability was excellent.
【００３７】それに対して、比較例であるＮｏ．７とＮ
ｏ．８の試料は、平均熱膨張係数がそれぞれ１００×１
０-7／℃と８０×１０-7／℃であるため耐熱衝撃性に劣
っており、しかもアルカリ溶出量がそれぞれ０．７０ｍ
ｇと０．６０ｍｇであるため化学的耐久性が悪かった。
またＮｏ．９の試料は、１０2.5 ポイズの温度が１５５
０℃と高すぎるため、粘土坩堝の溶融が不可能である。
さらにＮｏ．１０の試料は、可視光線透過率が、２０％
であるため、光源から発せられる光を完全に吸収するこ
とができない。On the other hand, in Comparative Example No. 7 and N
o. Sample No. 8 has an average coefficient of thermal expansion of 100 × 1
Since it is 0 -7 / ° C and 80 × 10 -7 / ° C, it has poor thermal shock resistance, and the amount of alkali elution is 0.70 m each.
Since it was g and 0.60 mg, the chemical durability was poor.
In addition, No. Sample No. 9 has a temperature of 155 at 10 2.5 poise
Since it is too high at 0 ° C, it is impossible to melt the clay crucible.
Furthermore, No. Sample No. 10 has a visible light transmittance of 20%
Therefore, the light emitted from the light source cannot be completely absorbed.
【００３８】[0038]
【発明の効果】以上のように本発明の紫外線透過黒色ガ
ラスは、紫外線透過率が高く、可視光線を完全に吸収
し、しかも優れた耐熱衝撃性と化学的耐久性を有し、粘
土坩堝による溶融が可能である。INDUSTRIAL APPLICABILITY As described above, the ultraviolet-transparent black glass of the present invention has a high ultraviolet transmittance, completely absorbs visible light, has excellent thermal shock resistance and chemical durability, and is made of a clay crucible. It can be melted.
【００３９】従って本発明の紫外線透過黒色ガラスは、
ブラックライト用水銀灯外囲器等のように少量生産で、
しかも高温度条件下で使用され、雨の影響を強く受ける
ような用途に好適である。Therefore, the ultraviolet transparent black glass of the present invention is
With a small amount of production such as mercury lamp envelopes for black lights,
Moreover, it is used under high temperature conditions and is suitable for applications that are strongly affected by rain.
Claims (1)
％、Ａｌ2Ｏ3 １〜７％、Ｂ2Ｏ3 １０〜２０％、ＢａＯ
０．５〜５％、ＣａＯ＋ＭｇＯ ０〜５％、ＺｎＯ
０〜３％、ＰｂＯ ５〜１５％、Ｎａ2Ｏ １．５〜７
％、Ｋ2Ｏ０．５〜５％、ＮｉＯ ０．３〜７％、Ｃｏ
Ｏ ０．５〜８％、ＮｉＯ＋ＣｏＯ４．５〜１０％、Ｆ
ｅ2Ｏ3 ０．０１〜０．２％、Ａｓ2Ｏ3 ０〜１％、Ｓｂ
2Ｏ3 ０〜１％、Ｃｌ2 ０〜１％、Ｆ2 ０〜１％の酸
化物組成を有し、波長３６５ｎｍにおける紫外線を５０
％以上透過し、可視光線を吸収する光学的特性を有する
ことを特徴とする紫外線透過黒色ガラス。1. A weight percentage of SiO 2 55-75.
%, Al 2 O 3 1 to 7%, B 2 O 3 10 to 20%, BaO
0.5-5%, CaO + MgO 0-5%, ZnO
0-3%, PbO 5-15%, Na 2 O 1.5-7
%, K 2 O 0.5-5%, NiO 0.3-7%, Co
O 0.5-8%, NiO + CoO 4.5-10%, F
e 2 O 3 0.01 to 0.2%, As 2 O 3 0 to 1%, Sb
2 O 3 0 to 1%, Cl 2 0 to 1%, F 2 0 to 1% has an oxide composition, and ultraviolet rays at a wavelength of 365 nm are 50%.
% Ultraviolet ray transmitting black glass having optical characteristics of transmitting at least%, and absorbing visible light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6706395A JPH08239236A (en) | 1995-02-28 | 1995-02-28 | Uv-transmitting black glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6706395A JPH08239236A (en) | 1995-02-28 | 1995-02-28 | Uv-transmitting black glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08239236A true JPH08239236A (en) | 1996-09-17 |
Family
ID=13334019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6706395A Pending JPH08239236A (en) | 1995-02-28 | 1995-02-28 | Uv-transmitting black glass |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08239236A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10112285A (en) * | 1996-10-07 | 1998-04-28 | Japan Aircraft Mfg Co Ltd | Ultraviolet ray emitting device |
| JP2002201040A (en) * | 2000-10-31 | 2002-07-16 | Asahi Glass Co Ltd | Aluminoborosilicate glass |
| CN102515525A (en) * | 2011-11-22 | 2012-06-27 | 上海罗金玻璃有限公司 | Glass with high transmissivity of ultraviolet A and preparation method for same |
| CN106554154A (en) * | 2015-09-30 | 2017-04-05 | 豪雅冠得股份有限公司 | Ultraviolet passes through visible absorption glass and ultraviolet passes through visible absorption optical filter |
| CN109422459A (en) * | 2017-08-28 | 2019-03-05 | 杭州富阳环宇玻璃厂 | It is a kind of for passing the ultraviolet high transmittance light of optical wand |
| CN109734310A (en) * | 2019-03-04 | 2019-05-10 | 南通市国光光学玻璃有限公司 | A kind of high light transmission glass of visible optical depth cut-off |
| CN110066107A (en) * | 2019-03-04 | 2019-07-30 | 南通市国光光学玻璃有限公司 | It can be seen that the preparation method of the high light transmission glass of optical depth cut-off |
| CN113860731A (en) * | 2021-10-29 | 2021-12-31 | 成都光明光电股份有限公司 | Environmentally friendly glass composition |
| CN114590995A (en) * | 2020-12-03 | 2022-06-07 | 肖特股份有限公司 | Borosilicate glass article |
-
1995
- 1995-02-28 JP JP6706395A patent/JPH08239236A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10112285A (en) * | 1996-10-07 | 1998-04-28 | Japan Aircraft Mfg Co Ltd | Ultraviolet ray emitting device |
| JP2002201040A (en) * | 2000-10-31 | 2002-07-16 | Asahi Glass Co Ltd | Aluminoborosilicate glass |
| CN102515525A (en) * | 2011-11-22 | 2012-06-27 | 上海罗金玻璃有限公司 | Glass with high transmissivity of ultraviolet A and preparation method for same |
| CN115304273A (en) * | 2015-09-30 | 2022-11-08 | Hoya株式会社 | Ultraviolet-transmitting visible light-absorbing glass and ultraviolet-transmitting visible light-absorbing filter |
| CN106554154A (en) * | 2015-09-30 | 2017-04-05 | 豪雅冠得股份有限公司 | Ultraviolet passes through visible absorption glass and ultraviolet passes through visible absorption optical filter |
| JP2017065980A (en) * | 2015-09-30 | 2017-04-06 | Ｈｏｙａ Ｃａｎｄｅｏ Ｏｐｔｒｏｎｉｃｓ株式会社 | Ultraviolet permeation visible light absorption glass and ultraviolet permeation visible light absorption filter |
| CN109422459A (en) * | 2017-08-28 | 2019-03-05 | 杭州富阳环宇玻璃厂 | It is a kind of for passing the ultraviolet high transmittance light of optical wand |
| CN109734310A (en) * | 2019-03-04 | 2019-05-10 | 南通市国光光学玻璃有限公司 | A kind of high light transmission glass of visible optical depth cut-off |
| CN110066107B (en) * | 2019-03-04 | 2021-12-03 | 南通市国光光学玻璃有限公司 | Preparation method of high-transmittance optical glass with visible light deep cutoff |
| CN109734310B (en) * | 2019-03-04 | 2021-12-03 | 南通市国光光学玻璃有限公司 | High-transmittance optical glass with visible light deep cutoff |
| CN110066107A (en) * | 2019-03-04 | 2019-07-30 | 南通市国光光学玻璃有限公司 | It can be seen that the preparation method of the high light transmission glass of optical depth cut-off |
| CN114590995A (en) * | 2020-12-03 | 2022-06-07 | 肖特股份有限公司 | Borosilicate glass article |
| JP2022089141A (en) * | 2020-12-03 | 2022-06-15 | ショット アクチエンゲゼルシャフト | Borosilicate glass article |
| CN113860731A (en) * | 2021-10-29 | 2021-12-31 | 成都光明光电股份有限公司 | Environmentally friendly glass composition |
| CN113860731B (en) * | 2021-10-29 | 2023-12-05 | 成都光明光电股份有限公司 | Environment-friendly glass composition |
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