JPH0210778B2 - - Google Patents
Info
- Publication number
- JPH0210778B2 JPH0210778B2 JP13578385A JP13578385A JPH0210778B2 JP H0210778 B2 JPH0210778 B2 JP H0210778B2 JP 13578385 A JP13578385 A JP 13578385A JP 13578385 A JP13578385 A JP 13578385A JP H0210778 B2 JPH0210778 B2 JP H0210778B2
- Authority
- JP
- Japan
- Prior art keywords
- weight
- glass
- cerium
- mixture
- melting
- 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.)
- Expired
Links
- 229910052684 Cerium Inorganic materials 0.000 claims description 18
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 17
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 16
- 239000005354 aluminosilicate glass Substances 0.000 claims description 14
- 239000012141 concentrate Substances 0.000 claims description 14
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 4
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 4
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 19
- 239000011521 glass Substances 0.000 description 18
- 239000000377 silicon dioxide Substances 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000004576 sand Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000003258 bubble free glass Substances 0.000 description 4
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910021193 La 2 O 3 Inorganic materials 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 2
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000004017 vitrification Methods 0.000 description 2
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 229910017493 Nd 2 O 3 Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000012264 purified product Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 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
- C03C3/095—Glass compositions containing silica with 40% to 90% silica, by weight containing rare earths
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)
Description
【発明の詳細な説明】
産業上の利用分野
本発明は1550℃より低い温度で溶融して製造し
得られるセリウム酸化物含有アルミノけい酸塩ガ
ラスの製造法に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a process for producing cerium oxide-containing aluminosilicate glasses which can be produced by melting at temperatures below 1550°C.
従来技術
シリカとアルミナからなるアルミノけい酸塩ガ
ラスは、耐熱性が高く、機械的強度も良好であ
り、また耐食性、耐風化性の優れたガラスであ
る。しかし、この系のガラスを製造するには非常
に高温を必要とする問題点があつた。Prior Art Aluminosilicate glass made of silica and alumina has high heat resistance, good mechanical strength, and excellent corrosion resistance and weathering resistance. However, there was a problem in that producing this type of glass required extremely high temperatures.
一般の炭化けい素発熱体を使用する電気炉で
は、1550℃程度の温度までが限度である。そのた
めこの系のガラスは一般の電気炉による溶融法で
は製造することができなかつた。 Electric furnaces that use general silicon carbide heating elements have a temperature limit of about 1550°C. Therefore, this type of glass could not be manufactured by a general melting method using an electric furnace.
一般にアルカリ酸化物、アルカリ土類酸化物を
含有させると、溶融温度が低下し、一般の前記電
気炉を使用して1550℃程度でガラスを製造するこ
とが可能となる。しかし、アルカリ酸化物、アル
カリ土類酸化物を含有させると、耐熱性、機械的
性質、耐化学性、耐食性及び耐風化性の諸性質を
低下させる問題点があつた。 In general, when an alkali oxide or an alkaline earth oxide is contained, the melting temperature is lowered, and it becomes possible to manufacture glass at about 1550° C. using the above-mentioned general electric furnace. However, when alkali oxides and alkaline earth oxides are contained, there is a problem that various properties such as heat resistance, mechanical properties, chemical resistance, corrosion resistance, and weathering resistance are deteriorated.
本発明者らはさきに、Y2O3，La2O3を含有さ
せることによつて、1550℃程度の一般の電気炉を
使用してガラスを製造を可能にし、得られるガラ
スの機械的性質を優れたものとなし得た。（米国
窯業協会誌61巻、247〜249頁（1978年））。また、
SC、Ce、Pr、Nd、Eu、Gd、Tb、Dy、Ho、
Er、Yb等の希土類の酸化物を含有させたアルミ
ノけい酸塩ガラスも1550℃程度の電気炉の使用に
より製造し得られることを明らかにした。（米国
窯業協会誌65巻Ｃ−210頁（1982年））。しかし、
これらの分離希土類酸化物は高価であるため、そ
れだけコスト高となる問題点があつた。 The present inventors have previously discovered that by incorporating Y 2 O 3 and La 2 O 3 , it is possible to manufacture glass using a general electric furnace at about 1550°C, and the mechanical properties of the resulting glass have been improved. It was possible to achieve excellent properties. (Journal of the American Ceramics Association, Vol. 61, pp. 247-249 (1978)). Also,
SC, Ce, Pr, Nd, Eu, Gd, Tb, Dy, Ho,
It was revealed that aluminosilicate glass containing rare earth oxides such as Er and Yb can also be produced using an electric furnace at about 1550℃. (Journal of the American Ceramics Association Vol. 65, p. C-210 (1982)). but,
Since these isolated rare earth oxides are expensive, there is a problem in that the cost increases accordingly.
発明の目的
本発明はこの問題点を解決するべくなされたも
ので、その目的は1550℃程度の一般電気炉を使用
して製造可能であり、かつアルミノけい酸塩ガラ
スの本来の特性を低下させることがなく、機械的
性質及び耐化学性、耐食性、耐風化性の優れたセ
リウム酸化物含有アルミノけい酸塩ガラスを安価
に製造する方法を提供するにある。Purpose of the Invention The present invention was made to solve this problem, and its purpose is to make it possible to manufacture the glass using a general electric furnace at a temperature of about 1550°C, and to reduce the original properties of the aluminosilicate glass. The object of the present invention is to provide a method for inexpensively producing cerium oxide-containing aluminosilicate glass that has excellent mechanical properties, chemical resistance, corrosion resistance, and weathering resistance without causing any problems.
発明の構成
本発明者らは前記目的を達成すべく研究の結
果、CeO2を製造する時の中間精製物であるセリ
ウムコンセントレートに着目し、該セリウムコン
セントレートは、例えば
酸化物 重量％
CeO2 50.0
La2O3 27.0
Pr6O11 5.0
Nd2O3 16.0
の組成を持ち、CeO2が約半量である。これをそ
のまま使用してアルミノけい酸塩ガラスを製造し
たところ、(1)CeO2のほかの他の含有物はアルミ
ノけい酸塩ガラスの特性に悪影響を及ぼすことが
ない。(2)分離したCeO2を使用した場合に比べて
溶融点を約50℃低下し得られ、(3)かつ価格も約
１／４以下であるため安価となることが分つた。
この知見に基づいて本発明を完成した。 Structure of the Invention As a result of research to achieve the above object, the present inventors focused on cerium concentrate, which is an intermediate purified product when producing CeO 2 . It has a composition of 50.0 La 2 O 3 27.0 Pr 6 O 11 5.0 Nd 2 O 3 16.0, with about half of it being CeO 2 . When this was used as it was to produce aluminosilicate glass, it was found that (1) other inclusions other than CeO 2 had no adverse effect on the properties of aluminosilicate glass. (2) Compared to the case where separated CeO 2 is used, the melting point can be lowered by about 50°C, (3) and the price is about 1/4 or less, which makes it cheaper.
The present invention was completed based on this knowledge.
本発明の要旨は、SiO217〜60重量％、Al2O34
〜29重量％、セリウムコンセントレート24〜70重
量％割合の混合物を加熱溶融してガラス化するこ
とを特徴とするセリウム酸化物含有アルミノけい
酸塩ガラスの製造法にある。 The gist of the invention is that SiO 2 17-60% by weight, Al 2 O 3 4
A method for producing a cerium oxide-containing aluminosilicate glass, which comprises heating and melting a mixture containing ~29% by weight and 24% to 70% by weight of cerium concentrate to vitrify it.
本発明の方法において、SiO2が17重量％より
少ないと溶融温度が高くなり、1550℃ではガラス
化できない。また60重量％を超えると希土類含有
アルミノけい酸塩ガラスの特性が発揮できなくな
る。 In the method of the present invention, if SiO 2 is less than 17% by weight, the melting temperature becomes high and vitrification cannot be achieved at 1550°C. Moreover, if it exceeds 60% by weight, the characteristics of the rare earth-containing aluminosilicate glass cannot be exhibited.
Al2O3が４重量％より少ないと希土類酸化物含
有アルミノけい酸塩ガラスとしての特性が発揮で
きず、また29重量％を超えると溶融温度が高くな
り、1550℃ではガラス化ができなくなる。セリウ
ムコンセントレートが24重量％より少ないと希土
類酸化物含有アルミノけい酸塩ガラスの特性が発
揮できず、また1550℃ではガラス化できない。70
重量％を超えると結晶化してしまいガラスが得ら
れない。 If Al 2 O 3 is less than 4% by weight, the properties of the rare earth oxide-containing aluminosilicate glass cannot be exhibited, and if it exceeds 29% by weight, the melting temperature becomes high and vitrification cannot be achieved at 1550°C. If the cerium concentrate is less than 24% by weight, the properties of the rare earth oxide-containing aluminosilicate glass cannot be exhibited, and it cannot be vitrified at 1550°C. 70
If it exceeds % by weight, crystallization occurs and glass cannot be obtained.
従つて、SiO2は17〜60重量％、Al2O3は４〜29
重量％、セリウムコンセントレートは24〜70重量
％の範囲の量であることが必要である。 Therefore, SiO2 is 17-60% by weight and Al2O3 is 4-29% by weight.
% by weight, the cerium concentrate should be in an amount ranging from 24 to 70% by weight.
前記原料のほかに、必要に応じTiO221重量％、
ZrO211重量％を超えない量混合使用してもよい。
TiO2の混合は耐化学性、耐食性、耐風化性を高
める作用をする。しかし、21重量％を超えると結
晶化してしまいガラスが得られない。ZrO2の混
合は耐化学性、耐食性、耐風化性、機械的性質、
耐熱性を高める作用をする。しかし11重量％を超
えると結晶化してしまいガラスが得られない。 In addition to the above raw materials, if necessary, 21% by weight of TiO2 ,
ZrO 2 may be mixed in an amount not exceeding 11% by weight.
Mixing TiO 2 has the effect of increasing chemical resistance, corrosion resistance, and weathering resistance. However, if it exceeds 21% by weight, crystallization occurs and glass cannot be obtained. ZrO2 mixture has chemical resistance, corrosion resistance, weathering resistance, mechanical properties,
It acts to increase heat resistance. However, if it exceeds 11% by weight, crystallization occurs and glass cannot be obtained.
なお、セリウムコンセントレートは、CeO2の
原鉱石例えばバストネサイトよりCeO2を製造す
る際の中間精製物である。 Note that cerium concentrate is an intermediate refined product when producing CeO 2 from a raw ore of CeO 2 , such as bastnasite.
実施例 １
精製された光学用酸洗いけい砂（SiO2）35.05
重量％、Al2O325.04重量％、セリウムコンセント
レート（前記組成と同じ）39.91重量％の割合で
混合したものを、Al2O3るつぼに入れ、電気炉中
で1450℃〜1500℃で２時間加熱溶融した後、アル
ミニウム板上に流し出し放冷した。これにより薄
茶褐色の泡のないガラスが得られた。Example 1 Purified optical pickled silica sand (SiO 2 ) 35.05
A mixture of 25.04% by weight of Al 2 O 3 and 39.91% by weight of cerium concentrate (same composition as above) was placed in an Al 2 O 3 crucible and heated at 1450°C to 1500°C in an electric furnace for 2 hours. After being heated and melted for a period of time, it was poured onto an aluminum plate and allowed to cool. This gave a light brown bubble-free glass.
このガラスの熱膨張率は42.3×10-7／℃であ
り、一般の窓ガラスよりもはるかに低熱膨張率で
ある。またその密度は3.48g／cm3であつた。 The coefficient of thermal expansion of this glass is 42.3×10 -7 /°C, which is much lower than that of ordinary window glass. Moreover, its density was 3.48g/cm 3 .
実施例 ２
実施例１におけると同じけい砂33.11重量％、
Al2O314.05重量％、セリウムコンセントレート
52.84重量％の割合で混合したものを、Al2O3るつ
ぼに入れ、電気炉中で1500℃で１時間加熱溶融し
た後、ガラスが溶融状態にあるAl2O3るつぼを電
気炉外に取り出し、手引きによりガラス繊維化を
行つたところ、数μm〜数mmの各種太さで1m以上
の長さのガラス繊維が容易に得られた。Example 2 33.11% by weight of silica sand as in Example 1,
Al 2 O 3 14.05% by weight, cerium concentrate
The mixture at a ratio of 52.84% by weight was placed in an Al 2 O 3 crucible, heated and melted at 1500°C for 1 hour in an electric furnace, and then the Al 2 O 3 crucible with the glass in a molten state was taken out of the electric furnace. When glass fiberization was carried out by hand, glass fibers of various thicknesses ranging from several μm to several mm and lengths of over 1 m were easily obtained.
実施例 ３
実施例１と同じけい砂31.27重量％、Al2O38.84
重量％、セリウムコンセントレート59.89重量％
の割合で混合したものをAl2O3るつぼに入れ、電
気炉中で1450〜1500℃で２時間加熱溶融した後、
アルミニウム板上に流し出し放冷した。濃茶褐色
の泡のないガラスが得られた。Example 3 Same as Example 1 silica sand 31.27% by weight, Al 2 O 3 8.84
wt%, cerium concentrate 59.89 wt%
The mixture was placed in an Al 2 O 3 crucible and heated and melted at 1450-1500°C for 2 hours in an electric furnace.
It was poured onto an aluminum plate and left to cool. A dark brown bubble-free glass was obtained.
このガラスの熱膨張率は52.8×10-7／℃、密度
は3.91g／cm3であつた。このガラスも実施例２と
同様に容易に繊維化することができた。 The coefficient of thermal expansion of this glass was 52.8×10 −7 /° C., and the density was 3.91 g/cm 3 . This glass could also be easily made into fibers as in Example 2.
実施例 ４
実施例１と同じけい砂21.30重量％、
Al2O313.55重量％、セリウムコンセントレート
50.99重量％、TiO214.16重量％の割合で混合した
ものを、Al2O3るつぼに入れ、電気炉中で1500℃
で２時間加熱溶融した後、アルミニウム板上に流
し出し放冷した。濃茶褐色の泡のないガラスが得
られた。このガラスの熱膨張率は53.8×10-7／
℃、密度は4.10g／cm3であつた。Example 4 Same as Example 1, 21.30% by weight of silica sand,
Al 2 O 3 13.55% by weight, cerium concentrate
A mixture of 50.99% by weight and 14.16% by weight of TiO 2 was placed in an Al 2 O 3 crucible and heated at 1500°C in an electric furnace.
After heating and melting for 2 hours, it was poured out onto an aluminum plate and allowed to cool. A dark brown bubble-free glass was obtained. The coefficient of thermal expansion of this glass is 53.8×10 -7 /
℃, and the density was 4.10 g/cm 3 .
実施例 ５
実施例１と同じけい砂26.08重量％、
Al2O313.28重量％、セリウムコンセントレート
49.95重量％、ZrO210.70重量％の割合で混合した
ものを、Al2O3るつぼに入れ、電気炉中で1500℃
で２時間加熱溶融した後、アルミニウム板上に流
し出し放冷した。濃茶褐色で泡のないガラスが得
られた。このガラスの熱膨張係数は57.9×10-7／
℃、密度は4.04g／cm3であつた。Example 5 Same as Example 1, 26.08% by weight of silica sand,
Al 2 O 3 13.28% by weight, cerium concentrate
A mixture of 49.95% by weight of ZrO 2 and 10.70% by weight of ZrO 2 was placed in an Al 2 O 3 crucible and heated at 1500°C in an electric furnace.
After heating and melting for 2 hours, it was poured out onto an aluminum plate and allowed to cool. A dark brown, bubble-free glass was obtained. The coefficient of thermal expansion of this glass is 57.9×10 -7 /
℃, and the density was 4.04 g/cm 3 .
発明の効果
本発明の方法によると、特定割合のSiO2及び
Al2O3にセリウムコンセントレートを特定量混合
使用することにより、従来のCeO2を使用する場
合に比べて、(1)安価で、(2)かつ溶融点を更に低下
させ、一般の電気炉を用いて容易にガラス化し得
れる。更に(3)得られるガラスはセリウムコンセン
トレート中に含まれるセリウム以外の含有物によ
るアルミノけい酸塩ガラスの特性を劣化されるこ
とがなく、高弾性率で機械的強度の優れたものと
なる。Effects of the Invention According to the method of the present invention, a specific proportion of SiO 2 and
By mixing a specific amount of cerium concentrate with Al 2 O 3 , it is (1) cheaper and (2) has a lower melting point than the conventional method of using CeO 2 , making it easier to use in general electric furnaces. It can be easily vitrified using Furthermore, (3) the obtained glass has a high elastic modulus and excellent mechanical strength without deteriorating the properties of aluminosilicate glass due to substances other than cerium contained in the cerium concentrate.
また、耐アルカリ性が高いため、セメントと複
合した複合材とすることができ、無アルカリであ
るため、電気用基板、ガラス容器への応用もでき
る。またセリウムを多量に含有するので紫外線吸
収特性を有し、紫外線吸収材料としても有効に使
用することができる等の優れた効果を有する。 In addition, because it has high alkali resistance, it can be made into a composite material with cement, and because it is alkali-free, it can also be applied to electrical substrates and glass containers. Furthermore, since it contains a large amount of cerium, it has ultraviolet absorption properties and has excellent effects such as being able to be effectively used as an ultraviolet absorption material.
Claims (1)
リウムコンセントレート24〜70重量％割合の混合
物を加熱溶融してガラス化することを特徴とする
セリウム酸化物含有アルミノけい酸塩ガラスの製
造法。 ２ SiO217〜60重量％、Al2O34〜29重量％、セ
リウムコンセントレート24〜70重量％のほか、更
にTiO221重量％または及びZrO211重量％を超え
ない量混合し、これらの混合物を加熱溶融してガ
ラス化することを特徴とするセリウム酸化物含有
アルミノけい酸塩ガラスの製造法。[Claims] 1. Cerium characterized by vitrifying a mixture of 17 to 60% by weight of SiO 2 , 4 to 29% by weight of Al 2 O 3 , and 24 to 70% by weight of cerium concentrate by heating and melting the mixture. Method for producing oxide-containing aluminosilicate glasses. 2 In addition to 17 to 60% by weight of SiO 2 , 4 to 29% by weight of Al 2 O 3 , and 24 to 70% by weight of cerium concentrate, further mixed in an amount not exceeding 21% by weight of TiO 2 or 11% by weight of ZrO 2 , A method for producing a cerium oxide-containing aluminosilicate glass, which comprises heating and melting a mixture thereof to vitrify it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13578385A JPS6291442A (en) | 1985-06-21 | 1985-06-21 | Method for producing aluminosilicate glass containing cerium oxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13578385A JPS6291442A (en) | 1985-06-21 | 1985-06-21 | Method for producing aluminosilicate glass containing cerium oxide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6291442A JPS6291442A (en) | 1987-04-25 |
| JPH0210778B2 true JPH0210778B2 (en) | 1990-03-09 |
Family
ID=15159743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13578385A Granted JPS6291442A (en) | 1985-06-21 | 1985-06-21 | Method for producing aluminosilicate glass containing cerium oxide |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6291442A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5316854A (en) * | 1991-12-06 | 1994-05-31 | Ppg Industries, Inc. | Glass or quartz articles having high temperature UV absorbing coatings containing ceria |
| JP2008020537A (en) * | 2006-07-11 | 2008-01-31 | Nh Techno Glass Kk | LCD panel |
-
1985
- 1985-06-21 JP JP13578385A patent/JPS6291442A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6291442A (en) | 1987-04-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4530909A (en) | Aluminosilicate glass containing Y2 O3 concentrate and ZrO2 | |
| JP3411067B2 (en) | Wavelength up-converting transparent glass-ceramics and method for producing the same | |
| US3008841A (en) | Glass composition | |
| US3519448A (en) | Zirconia-alumina fused refractory materials and structures | |
| JPH0149649B2 (en) | ||
| JPS621337B2 (en) | ||
| Kokubo et al. | Formation and optical properties of (R2O or R′ O) Nb2O5 Ga2O3 glasses | |
| US5112777A (en) | Glass-ceramic-bonded ceramic composites | |
| JPH0114185B2 (en) | ||
| US3331731A (en) | Method of and article formed by sealing alumina ceramic to a metal with a sealant glass | |
| JPH035343A (en) | Fiberglass composition | |
| US5674789A (en) | Lead- and cadmium-free finely divided glass frit compositions | |
| EP0095490A1 (en) | Alkali-resistant glass fibers | |
| US3193401A (en) | High index glass composition | |
| US2919994A (en) | Fused cast refractory | |
| SU1565344A3 (en) | Method of producing boron-lead solder glass | |
| US3473937A (en) | Method of strengthening na2o-al2o3-sio2 glass-ceramics with leaded glazes and product | |
| JP2944387B2 (en) | Low melting glass | |
| JPS6146417B2 (en) | ||
| JPH0210779B2 (en) | ||
| JPS6238295B2 (en) | ||
| JPH07330372A (en) | Glass having low melting point | |
| JPH0210777B2 (en) | ||
| JPS6291442A (en) | Method for producing aluminosilicate glass containing cerium oxide | |
| Bengisu et al. | Glasses and glass-ceramics in the SrO–TiO2–Al2O3–SiO2–B2O3 system and the effect of P2O5 additions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |