JPH0570173A - Crystallized glass for building material - Google Patents
Crystallized glass for building materialInfo
- Publication number
- JPH0570173A JPH0570173A JP25831391A JP25831391A JPH0570173A JP H0570173 A JPH0570173 A JP H0570173A JP 25831391 A JP25831391 A JP 25831391A JP 25831391 A JP25831391 A JP 25831391A JP H0570173 A JPH0570173 A JP H0570173A
- Authority
- JP
- Japan
- Prior art keywords
- crystallized glass
- glass
- building materials
- cao
- zirconolite
- 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
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
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/0036—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and a divalent metal oxide as main constituents
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (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]
【産業上の利用分野】本発明は建物の外装材や内装材に
使用される建材用結晶化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 crystallized glass for building materials used for exterior materials and interior materials of buildings.
【０００２】[0002]
【従来の技術】建物の外装材や内装材に使用される結晶
化ガラスには、化学耐久性や機械的強度が高いこと、美
しい外観を呈すること、及び安価に供給できることが求
められている。このような建材用結晶化ガラスとして、
従来より種々の結晶化ガラスが提案されている。この代
表的例として本出願人の発明になる特公昭６０−４９１
４５号に開示の結晶化ガラスがある。2. Description of the Related Art Crystallized glass used for exterior and interior materials of buildings is required to have high chemical durability and mechanical strength, have a beautiful appearance, and be inexpensively supplied. As such a crystallized glass for building materials,
Conventionally, various crystallized glasses have been proposed. A typical example of this is Japanese Patent Publication No. 60-491, which is the invention of the present applicant.
There is crystallized glass disclosed in No. 45.
【０００３】[0003]
【発明が解決しようとする課題】上記特公昭６０−４９
１４５号に開示の結晶化ガラスは、溶融ガラスを所定形
状に成形した後、結晶化熱処理することによって得ら
れ、主結晶としてフォルステライト（２ＭｇＯ・ＳｉＯ
2 ）を析出してなり、良好な化学耐久性及び機械的強度
を有するものである。また、結晶化熱処理時にガラスマ
トリックスが軟化流動し易いため、平滑な表面が得ら
れ、研磨工程を省略できるというものである。[Problems to be Solved by the Invention] Japanese Patent Publication No. 60-49
The crystallized glass disclosed in Japanese Patent No. 145 is obtained by forming a molten glass into a predetermined shape and then heat-treating the crystallized glass, and forsterite (2MgO.SiO 2) is used as a main crystal.
2 ) is deposited and has good chemical durability and mechanical strength. Further, since the glass matrix easily softens and flows during the crystallization heat treatment, a smooth surface can be obtained, and the polishing step can be omitted.
【０００４】ところで近年、ウォーターフロントと呼ば
れる臨海地区の開発や、酸性雨の問題等がクローズアッ
プされるに伴い、建材用結晶化ガラスにより優れた化学
耐久性や機械的強度が求められるようになってきてい
る。しかしながら上記した結晶化ガラスは、このような
要求に十分に応えられるものではない。By the way, in recent years, with the development of a waterfront area called the waterfront and the problem of acid rain, etc., have been highlighted, excellent chemical durability and mechanical strength are demanded for crystallized glass for building materials. Is coming. However, the above-mentioned crystallized glass does not sufficiently meet such requirements.
【０００５】本発明の目的は、建材に求められる諸条件
を満足し、特に化学耐久性や機械的強度に優れた建材用
結晶化ガラスを提供することである。An object of the present invention is to provide a crystallized glass for a building material which satisfies various conditions required for the building material and is particularly excellent in chemical durability and mechanical strength.
【０００６】[0006]
【課題を解決するための手段】本発明者等は種々の研究
を行った結果、ＭｇＯとＺｎＯの合量を０．０５〜２．
８％に規制し、しかもＣａＯ、ＴｉＯ2 及びＺｒＯ2 を
各々必須成分として含有し、且つ、その合量を４．０％
以上にすることによって、上記目的が達成できることを
見いだし、本発明として提案するものである。As a result of various studies, the present inventors have found that the total amount of MgO and ZnO is 0.05 to 2.
Regulated to 8%, and contains CaO, TiO 2 and ZrO 2 as essential components, respectively, and its total amount is 4.0%
It is found that the above object can be achieved by the above, and it is proposed as the present invention.
【０００７】即ち、本発明の建材用結晶化ガラスは、重
量百分率でＳｉＯ2 ４０．０〜７０．０％、Ａｌ2 Ｏ3
５．０〜２５．０％、ＭｇＯ＋ＺｎＯ ０．０５〜２．
８％、ＣａＯ １．０〜２０．０％、ＴｉＯ2 ０．５〜
１５．０％、ＺｒＯ2 ０．１〜１０．０％、ＣａＯ＋Ｔ
ｉＯ2 ＋ＺｒＯ2 ４．０〜２５．０％、Ｎａ2 Ｏ ２．
０〜１６．０％、Ｋ2 Ｏ ０〜５．０％、Ｌｉ2 Ｏ ０
〜５．０％、Ｂ2 Ｏ3０〜１５．０％、Ａｓ2 Ｏ3 ０〜
１．０％、Ｓｂ2 Ｏ3 ０〜１．０％からなり、主結晶と
してジルコノライトを析出してなることを特徴とする。That is, the crystallized glass for building materials of the present invention has a weight percentage of SiO 2 40.0 to 70.0% and Al 2 O 3
5.0-25.0%, MgO + ZnO 0.05-2.
8%, CaO 1.0 to 20.0%, TiO 2 0.5 to
15.0%, ZrO 2 0.1-10.0%, CaO + T
iO 2 + ZrO 2 4.0 to 25.0%, Na 2 O 2.
0~16.0%, K 2 O 0~5.0% , Li 2 O 0
~ 5.0%, B 2 O 30 ~ 15.0%, As 2 O 30 ~
1.0%, Sb 2 O 3 0 to 1.0%, and is characterized in that zirconolite is precipitated as a main crystal.
【０００８】[0008]
【作用】本発明の建材用結晶化ガラスは、ＣａＯ、Ｔｉ
Ｏ2 、及びＺｒＯ2 を含有するため、化学耐久性や機械
的強度に優れたジルコノライト（ＣａＺｒＴｉ2 Ｏ7 ）
を析出する。しかもガラスマトリックス中にＳｉＯ2 成
分を多量に含むため、得られる結晶化ガラスはこれらの
特性に優れている。[Function] The crystallized glass for building materials of the present invention is made of CaO, Ti.
Zirconolite (CaZrTi 2 O 7 ) which has excellent chemical durability and mechanical strength because it contains O 2 and ZrO 2.
To deposit. Moreover, since the glass matrix contains a large amount of SiO 2 component, the crystallized glass obtained is excellent in these characteristics.
【０００９】また本発明の建材用結晶化ガラスは、結晶
化熱処理時にガラスマトリックスが軟化流動し易いため
に、表面品位が良好である。Further, the crystallized glass for building materials of the present invention has good surface quality because the glass matrix easily softens and flows during the crystallization heat treatment.
【００１０】次に、本発明の建材用結晶化ガラスの組成
範囲を上記のように限定した理由を以下に示す。Next, the reason why the composition range of the crystallized glass for building materials of the present invention is limited as described above will be shown below.
【００１１】ＳｉＯ2 はガラス網目形成成分であり、そ
の含有量は４０．０〜７０．０％、好ましくは４５〜６
５％である。ＳｉＯ2 が４０．０％より少ないと化学耐
久性や機械的強度が悪くなり、７０．０％より多いとガ
ラス溶融が困難になる。SiO 2 is a glass network forming component, and its content is 40.0 to 70.0%, preferably 45 to 6.
5%. When SiO 2 is less than 40.0%, chemical durability and mechanical strength are deteriorated, and when it is more than 70.0%, glass melting becomes difficult.
【００１２】Ａｌ2 Ｏ3 は結晶化を促進する成分であ
り、その含有量は５．０〜２５．０％、好ましくは１
０．０〜２３．０％である。Ａｌ2 Ｏ3 が５．０％より
少ないと結晶化し難くなり、２５．０％より多いとガラ
ス溶融が困難になるとともに、耐候性の劣るネファリン
（Ｎａ2 Ｏ・Ａｌ2 Ｏ3 ・２ＳｉＯ2 ）が析出し易くな
る。Al 2 O 3 is a component that promotes crystallization, and its content is 5.0 to 25.0%, preferably 1
It is 0.0 to 23.0%. When Al 2 O 3 is less than 5.0%, it is difficult to crystallize, and when it is more than 25.0%, it becomes difficult to melt the glass and nephrain (Na 2 O · Al 2 O 3 · 2SiO 2 ) is inferior in weather resistance. Are easily deposited.
【００１３】ＭｇＯ及びＺｎＯは分相を防止して化学耐
久性を向上させる成分であり、その含有量は合量で０．
０５〜２．８％、好ましくは０．１〜２．７％である。
ＭｇＯとＺｎＯの合量が０．０５％より少ないと分相が
生じて化学耐久性が低下する。一方、これらの合量が
２．８％より多いと、フォルステライト等の異種結晶が
析出して化学耐久性や機械的強度が低下する。また原料
コストが高くなる。MgO and ZnO are components that prevent phase separation and improve chemical durability, and the total content of MgO and ZnO is 0.
It is from 05 to 2.8%, preferably from 0.1 to 2.7%.
If the total amount of MgO and ZnO is less than 0.05%, phase separation occurs and the chemical durability decreases. On the other hand, when the total amount of these is more than 2.8%, different crystals such as forsterite are precipitated and the chemical durability and mechanical strength are reduced. In addition, the raw material cost becomes high.
【００１４】ＣａＯはジルコノライトの構成成分であ
り、その含有量は１．０〜２０．０％、好ましくは２．
０〜１５．０％である。ＣａＯが１．０％より少ないと
ジルコノライトが析出し難くなり、２０．０％より多い
と表面結晶化が進むために均一に結晶が析出せず、機械
的強度が低下する。CaO is a constituent of zirconolite, and its content is 1.0 to 20.0%, preferably 2.
It is 0 to 15.0%. When CaO is less than 1.0%, zirconolite is difficult to precipitate, and when it is more than 20.0%, surface crystallization proceeds, so that crystals are not uniformly precipitated and mechanical strength is lowered.
【００１５】ＴｉＯ2 は核形成剤であるとともにジルコ
ノライトの構成成分であり、その含有量は０．５〜１
５．０％、好ましくは１．０〜１０．０％である。Ｔｉ
Ｏ2 が０．５％より少ないと結晶化し難くなり、１５．
０％より多いと結晶物が黒色を帯び、好ましくない色調
となる。TiO 2 is a nucleating agent and a constituent of zirconolite, and its content is 0.5 to 1
It is 5.0%, preferably 1.0 to 10.0%. Ti
If O 2 is less than 0.5%, it becomes difficult to crystallize.
If it is more than 0%, the crystal substance becomes black and the color tone becomes unfavorable.
【００１６】ＺｒＯ2 は核形成剤であるとともにジルコ
ノライトの構成成分であり、その含有量は０．１〜１
０．０％、好ましくは０．５〜８．５％である。ＺｒＯ
2 が０．１％より少ないと結晶化が不十分であり、１
０．０％より多いと溶融性が悪くなり、またガラス成形
時に表面失透し易くなる。ZrO 2 is a nucleating agent and a constituent component of zirconolite, and the content thereof is 0.1-1.
0.0%, preferably 0.5-8.5%. ZrO
If 2 is less than 0.1%, crystallization is insufficient, and 1
When it is more than 0.0%, the meltability is deteriorated and the surface is easily devitrified during glass molding.
【００１７】また本発明の建材用結晶化ガラスは、Ｃａ
ＯとＴｉＯ2 とＺｒＯ2 を合量で４．０〜２５．０％、
好ましくは５．０〜２０．０％含有する。即ち、これら
の成分の合量が４．０％より少ないとジルコノライトが
析出し難くなり、且つ、表面失透し易くなる。一方、こ
れらの合量が２５．０％より多いと溶融性が悪くなると
ともに、結晶物が細かくなって結晶化ガラスの外観が透
明になるため好ましくない。The crystallized glass for building materials of the present invention is Ca
O, TiO 2 and ZrO 2 in a total amount of 4.0 to 25.0%,
Preferably it contains 5.0 to 20.0%. That is, if the total amount of these components is less than 4.0%, it becomes difficult for zirconolite to precipitate and the surface is liable to devitrify. On the other hand, if the total amount of these is more than 25.0%, the meltability is deteriorated, and the crystallized material becomes fine and the crystallized glass becomes transparent in appearance, which is not preferable.
【００１８】Ｎａ2 Ｏはガラス溶融を促進するフラック
ス剤であり、その含有量は２．０〜１６．０％、好まし
くは３．０〜１２．０％である。Ｎａ2 Ｏが２．０％よ
り少ないとガラスの溶融性及び成形性が悪くなり、１６
％より多いと化学耐久性が劣下する。Na 2 O is a fluxing agent that promotes glass melting, and its content is 2.0 to 16.0%, preferably 3.0 to 12.0%. If the content of Na 2 O is less than 2.0%, the meltability and formability of the glass will deteriorate, and 16
%, The chemical durability will be poor.
【００１９】Ｋ2 Ｏ及びＬｉ2 Ｏはフラックス剤であ
り、その含有量はそれぞれ０〜５．０％である。Ｋ2 Ｏ
及びＬｉ2Ｏがそれぞれ５．０％より多いと結晶化し難
くなる。K 2 O and Li 2 O are flux agents, and their contents are 0 to 5.0%, respectively. K 2 O
If each of Li 2 O and Li 2 O is more than 5.0%, it becomes difficult to crystallize.
【００２０】Ｂ2 Ｏ3 はガラスマトリックスの流動性を
向上させる成分であり、その含有量は０〜１５．０％で
ある。Ｂ2 Ｏ3 が１５．０％より多いと結晶化し難くな
る。B 2 O 3 is a component that improves the fluidity of the glass matrix, and its content is 0 to 15.0%. If B 2 O 3 is more than 15.0%, it becomes difficult to crystallize.
【００２１】Ａｓ2 Ｏ3 及びＳｂ2 Ｏ3は清澄剤として
用いられ、その含有量は各々０〜１．０％である。As 2 O 3 and Sb 2 O 3 are used as fining agents, and their contents are each 0 to 1.0%.
【００２２】なお本発明の建材用結晶化ガラスは、上記
した成分以外にも他成分としてＰ2Ｏ5 、ＢａＯ、Ｓｒ
Ｏ、ＰｂＯ、ＳｎＯ2、ＣｅＯ2 等を合量で１０．０％
まで、着色剤としてＦｅ2 Ｏ3 、ＮｉＯ、Ｃｒ2 Ｏ3 、
ＭｎＯ2 、Ｖ2 Ｏ5 等を合量で１０．０％まで添加する
ことが可能である。The crystallized glass for building materials of the present invention contains P 2 O 5 , BaO, Sr as other components in addition to the above components.
10.0% in total of O, PbO, SnO 2 , CeO 2 etc.
Until, Fe 2 O 3, NiO, Cr 2 O 3 as a coloring agent,
It is possible to add MnO 2 , V 2 O 5, etc. up to 10.0% in total.
【００２３】[0023]
【実施例】以下実施例に基づいて本発明の建材用結晶化
ガラスを説明する。EXAMPLES The crystallized glass for building materials of the present invention will be described below based on examples.
【００２４】表１は本発明の実施例（試料Ｎｏ．１〜
５）及び比較例（試料Ｎｏ．６、７）を示すものであ
る。Table 1 shows examples of the present invention (Sample Nos. 1 to 1).
5) and Comparative Examples (Sample Nos. 6 and 7).
【００２５】[0025]
【表１】 [Table 1]
【００２６】表中の各試料は次のように調製した。試料
Ｎｏ．１〜７の各組成になるようにガラス原料を調合
し、白金坩堝を使用して１５００〜１６００℃で８〜３
０時間溶融した後、溶融ガラスをカーボン台上に流し出
し、ローラーを用いて板状に成形し、徐冷してガラス試
料を得た。次に、このガラス試料を電気炉中で７５０〜
８００℃まで１２０℃／ｈの昇温速度で加熱し、約１時
間保持した後、表の焼成温度まで１２０℃／ｈの昇温速
度で加熱して１〜２時間保持し、その後室温まで炉冷し
た。Each sample in the table was prepared as follows. Sample No. Glass raw materials are blended so that each composition of 1 to 7 is obtained, and a platinum crucible is used at 1500 to 1600 ° C. for 8 to 3
After melting for 0 hour, the molten glass was poured out on a carbon table, formed into a plate using a roller, and gradually cooled to obtain a glass sample. Next, this glass sample is placed in an electric furnace at 750 to 750.
After heating to 800 ° C. at a heating rate of 120 ° C./h and holding for about 1 hour, heating to a firing temperature in the table at a heating rate of 120 ° C./h and holding for 1 to 2 hours, and then heating to room temperature in a furnace. Chilled
【００２７】このようにして得られた各試料はすべて白
色で光沢のある表面を有していたが、さらにこれらの表
面を電子顕微鏡で観察したところ、試料Ｎｏ．６の表面
に分相が認められた。またＸ線回折の結果、各試料の主
結晶は表に示すように、試料Ｎｏ．１〜６がジルコノラ
イトであり、試料Ｎｏ．７がフォルステライトであっ
た。Each of the samples thus obtained had a white and glossy surface, and when these surfaces were further observed with an electron microscope, sample No. Phase separation was observed on the surface of No. 6. As a result of X-ray diffraction, the main crystals of each sample were as shown in the table. Sample Nos. 1 to 6 are zirconolite. 7 was forsterite.
【００２８】また、表から明らかなように、実施例であ
る試料Ｎｏ．１〜５は、耐酸性が０．０４〜０．１０ｍ
ｇ／ｃｍ2 、耐海水性が０．０２〜０．０６ｍｇ／ｃｍ
2 、曲げ強度１０００〜１１００ｋｇ／ｃｍ2 であっ
た。これに対して比較例である試料Ｎｏ．６、７はそれ
ぞれ耐酸性が０．３０ｍｇ／ｃｍ2 、１．２０ｍｇ／ｃ
ｍ2 、耐海水性が０．２５ｍｇ／ｃｍ2 、０．７０ｍｇ
／ｃｍ2 、曲げ強度が１０５０ｋｇ／ｃｍ2 、７００ｋ
ｇ／ｃｍ2 であった。Further, as is apparent from the table, the sample No. 1 to 5 have an acid resistance of 0.04 to 0.10 m
g / cm 2 , seawater resistance of 0.02-0.06 mg / cm
2 , the bending strength was 1000 to 1100 kg / cm 2 . On the other hand, Sample No. which is a comparative example. Acid resistances of 6 and 7 are 0.30 mg / cm 2 and 1.20 mg / c, respectively.
m 2 , seawater resistance is 0.25 mg / cm 2 , 0.70 mg
/ Cm 2 , bending strength of 1050 kg / cm 2 , 700 k
It was g / cm 2 .
【００２９】これらの事実は、本発明の建材用結晶化ガ
ラスが、主結晶としてジルコノライトを析出し、且つ、
ＭｇＯとＺｎＯの合量を０．０５〜２．８％に規制して
いるために、化学耐久性及び機械的強度に優れているこ
とを示している。These facts indicate that the crystallized glass for building materials of the present invention deposits zirconolite as a main crystal, and
Since the total content of MgO and ZnO is regulated to 0.05 to 2.8%, it is shown that the chemical durability and the mechanical strength are excellent.
【００３０】なお耐酸性及び耐海水性は、２５×２５×
５ｍｍの大きさに切り出した試料を、表面を残して樹脂
で覆った後、Ｈ2 ＳＯ4 溶液（濃度１％、９０℃）、又
は標準海水（９０℃）中に２４時間浸漬した後の重量減
により評価した。また曲げ強度は７×１０×５０ｍｍの
大きさの試料で３点荷重式曲げ強度試験機により測定し
た。Acid resistance and seawater resistance are 25 × 25 ×
The weight of the sample cut into a size of 5 mm after being immersed in H 2 SO 4 solution (concentration 1%, 90 ° C.) or standard seawater (90 ° C.) for 24 hours after covering the surface with resin It was evaluated by reduction. The bending strength was measured by a 3-point load type bending strength tester on a sample having a size of 7 × 10 × 50 mm.
【００３１】[0031]
【発明の効果】以上説明したように、本発明の建材用結
晶化ガラスは、建材として求められる諸条件を満足し、
特に化学耐久性や機械的強度に優れているため、建物の
外装材や内装材として好適である。As described above, the crystallized glass for building materials of the present invention satisfies various conditions required for building materials,
In particular, since it has excellent chemical durability and mechanical strength, it is suitable as an exterior or interior material for buildings.
Claims (1)
０％、Ａｌ2 Ｏ3 ５．０〜２５．０％、ＭｇＯ＋ＺｎＯ
０．０５〜２．８％、ＣａＯ １．０〜２０．０％、
ＴｉＯ2 ０．５〜１５．０％、ＺｒＯ2 ０．１〜１０．
０％、ＣａＯ＋ＴｉＯ2 ＋ＺｒＯ2 ４．０〜２５．０
％、Ｎａ2 Ｏ ２．０〜１６．０％、Ｋ2 Ｏ ０〜５．
０％、Ｌｉ2 Ｏ ０〜５．０％、Ｂ2 Ｏ3 ０〜１５．０
％、Ａｓ2 Ｏ3 ０〜１．０％、Ｓｂ2 Ｏ3 ０〜１．０％
からなり、主結晶としてジルコノライトを析出してなる
ことを特徴とする建材用結晶化ガラス。1. A weight percentage of SiO 2 40.0-70.
0%, Al 2 O 3 5.0 to 25.0%, MgO + ZnO
0.05-2.8%, CaO 1.0-20.0%,
TiO 2 0.5~15.0%, ZrO 2 0.1~10 .
0%, CaO + TiO 2 + ZrO 2 4.0-25.0
%, Na 2 O 2.0 to 16.0%, K 2 O 0 to 5.
0%, Li 2 O 0 to 5.0%, B 2 O 3 0 to 15.0
%, As 2 O 3 0 to 1.0%, Sb 2 O 3 0 to 1.0%
A crystallized glass for building materials, which is composed of zirconolite as a main crystal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25831391A JPH0570173A (en) | 1991-09-09 | 1991-09-09 | Crystallized glass for building material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25831391A JPH0570173A (en) | 1991-09-09 | 1991-09-09 | Crystallized glass for building material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0570173A true JPH0570173A (en) | 1993-03-23 |
Family
ID=17318517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25831391A Pending JPH0570173A (en) | 1991-09-09 | 1991-09-09 | Crystallized glass for building material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0570173A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19816380C1 (en) * | 1998-04-11 | 1999-10-07 | Schott Glas | Cadmium-free red glass-ceramic based starting glass for use as a red traffic light glass |
| KR20160048973A (en) * | 2013-08-30 | 2016-05-04 | 코닝 인코포레이티드 | Ion Exchangeable Glass, Glass-Ceramics and Methods for Making The Same |
| US9954415B2 (en) | 2013-08-30 | 2018-04-24 | Denso Corporation | Rotor for brushless motor |
-
1991
- 1991-09-09 JP JP25831391A patent/JPH0570173A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19816380C1 (en) * | 1998-04-11 | 1999-10-07 | Schott Glas | Cadmium-free red glass-ceramic based starting glass for use as a red traffic light glass |
| KR20160048973A (en) * | 2013-08-30 | 2016-05-04 | 코닝 인코포레이티드 | Ion Exchangeable Glass, Glass-Ceramics and Methods for Making The Same |
| JP2016529197A (en) * | 2013-08-30 | 2016-09-23 | コーニング インコーポレイテッド | Ion exchangeable glass, glass ceramic, and method for producing the same |
| US9954415B2 (en) | 2013-08-30 | 2018-04-24 | Denso Corporation | Rotor for brushless motor |
| JP2020203831A (en) * | 2013-08-30 | 2020-12-24 | コーニング インコーポレイテッド | Ion exchangeable glass, glass ceramics and methods for making the same |
| KR20220141909A (en) * | 2013-08-30 | 2022-10-20 | 코닝 인코포레이티드 | Ion Exchangeable Glass, Glass-Ceramics and Methods for Making The Same |
| US11667563B2 (en) | 2013-08-30 | 2023-06-06 | Corning Incorporated | Ion exchangeable glass, glass ceramics and methods for making the same |
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