JP2577572B2 - Glass manufacturing method - Google Patents
Glass manufacturing methodInfo
- Publication number
- JP2577572B2 JP2577572B2 JP62220247A JP22024787A JP2577572B2 JP 2577572 B2 JP2577572 B2 JP 2577572B2 JP 62220247 A JP62220247 A JP 62220247A JP 22024787 A JP22024787 A JP 22024787A JP 2577572 B2 JP2577572 B2 JP 2577572B2
- Authority
- JP
- Japan
- Prior art keywords
- sol
- container
- gel
- lid
- gelled
- 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 - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/12—Other methods of shaping glass by liquid-phase reaction processes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Melting And Manufacturing (AREA)
- Silicon Compounds (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 この発明はゾル−ゲル法によるガラスの製造方法に関
する。Description: TECHNICAL FIELD The present invention relates to a method for producing glass by a sol-gel method.
従来の技術 微粉末もしくはアルコキシド又はその両者を用いたゾ
ル−ゲル法では、ゾルをポリプロピレン等の疎水性容器
に流し込み、容器上部にふたをしてゲル化させていた。2. Description of the Related Art In a sol-gel method using a fine powder or an alkoxide or both, a sol is poured into a hydrophobic container such as polypropylene, and the upper portion of the container is gelled.
発明が解決しようとする問題点 ところが、ゾルと容器内の雰囲気と接触してゾルと雰
囲気の界面にゾル内部と異った層ができる。このため乾
燥時に反りが生じたり、無孔化高温処理時のガスの抜け
が悪かった。Problems to be Solved by the Invention However, a layer different from the inside of the sol is formed at the interface between the sol and the atmosphere upon contact with the sol and the atmosphere in the container. For this reason, warpage occurred during drying, and gas escape during the nonporous high-temperature treatment was poor.
発明の目的 この発明は上述の問題点を解消し、ゲルの異方性が減
り、乾燥、無孔化高温処理が容易となるガラスの製造方
法を提供することを目的とする。An object of the present invention is to solve the above-mentioned problems, to provide a method for producing glass in which the anisotropy of the gel is reduced, and drying and nonporous high-temperature treatment are facilitated.
発明の要旨 この発明は特許請求の範囲第１項のガラスの製造方法
を要旨としている。SUMMARY OF THE INVENTION The present invention provides a method for producing glass according to claim 1.
問題点を解決するための手段 第１図を参照する。微粉末もしくはアルコキシド又は
その両者を用いたゾル−ゲル法によるガラスの製造方法
において、ゾル５の全体をゲル化容器に接触するように
ゲル化容器でおおいゲル化し、ゲル化後乾燥して多孔質
ゲルを形成して高温処理をすることによりガラス体を作
る。Means for Solving the Problem Reference is made to FIG. In a method for producing glass by a sol-gel method using a fine powder or an alkoxide, or both, the entire sol 5 is gelled in a gelling container so as to be in contact with the gelling container, dried after gelation, and porous. A glass body is made by forming a gel and performing a high temperature treatment.
作用 ゾルは容器以外のものにふれず、乾燥時にガラス体に
反りが生じたりガスの抜けが悪くなることはない。Action The sol does not touch anything other than the container, so that the glass body does not warp or dry out during drying.
実施例 １ 第１図〜第３図はこの発明の方法を実施するための容
器を示している。Embodiment 1 FIGS. 1 to 3 show a container for carrying out the method of the present invention.
第１図と第２図のように容器を成す型1,2とこの内部
３には微粉末もしくはアルコキシド又はその両者を用い
たゾル５を注入口４より注入して充填できるようになっ
ている。As shown in FIGS. 1 and 2, the molds 1 and 2 forming the containers and the interior 3 can be filled with a sol 5 using fine powder or alkoxide or both from an injection port 4. .
注入後はフタ６でゾル５を封入する。この状態ではゾ
ル５の全体は、型1,2,フタ６以外の部分もしくは雰囲気
とは全く接触しない。型1,2とフタ６はポリプロピレン
等の疎水性材料からなる。After the injection, the sol 5 is sealed with the lid 6. In this state, the entire sol 5 does not come into contact with any part or atmosphere other than the molds 1, 2, and the lid 6. The molds 1, 2 and the lid 6 are made of a hydrophobic material such as polypropylene.
このゾル５がゲル化して第３図のように型1,2を分解
して中の多孔質ゲル７をとり出すのである。その後、乾
燥後、高温処理してガラス体となる。The sol 5 is gelled and the molds 1 and 2 are decomposed as shown in FIG. 3 to take out the porous gel 7 therein. Then, after drying, it is subjected to a high temperature treatment to obtain a glass body.
0.01NHClと超微粉末シリカ（デグサ株式会社の商品名
Aerosil 200）を重量比で2:1の割合で混合しゾルを調整
した。第１図の容器に超音波照射を加えながらゾルを流
し込み第２図のようにフタ６をしてゲル化した。このよ
うに好ましくは疎水性容器に超音波振動を与えながらゾ
ルを型よりいく分余分に流し込みゲル化させるのであ
る。0.01NHCl and ultra-fine powder silica (trade name of Degussa Corporation)
Aerosil 200) was mixed at a weight ratio of 2: 1 to prepare a sol. The sol was poured into the container shown in FIG. 1 while applying ultrasonic irradiation, and the lid 6 was closed as shown in FIG. 2 to gel. As described above, preferably, the sol is poured into the hydrophobic container in excess of the mold while applying ultrasonic vibration to the hydrophobic container to cause gelation.
ゲル化後、第３図のようにゲルを離型し徐々に乾燥さ
せた。乾燥ゲルにヒビや反りは生じなかった。この乾燥
ゲルを加熱すると1550℃で透明な石英ガラス体が得られ
た。After gelation, the gel was released from the mold and gradually dried as shown in FIG. The dried gel did not crack or warp. When this dried gel was heated, a transparent quartz glass body was obtained at 1550 ° C.
実施例 ２ 第４図と第５図の容器は、受け10と上部のフタ11を有
している。ともにポリプロピレンなどの疎水性容器であ
る。Embodiment 2 The container shown in FIGS. 4 and 5 has a receiver 10 and an upper lid 11. Both are hydrophobic containers such as polypropylene.
テトラエトキシシラン、エタノール、アンモニア水を
モル比で1:16:4の割合で混合し、ゾル溶液とした。これ
を第４図と第５図に示すような円筒型容器10に流し込
み、受け10の上部に気泡が残らないようにフタ11をスラ
イドさせながら密閉した。この際第５図に示すようにゾ
ル溶液が受け10に盛上るくらい入れてフタ11で押切る形
でフタ11で密閉するのである。このようにすることで、
受け10内は完全にゾル溶液で満たされ、受け10内に雰囲
気が残らないのである。これを70℃に加熱した。ゲル化
後離型し、徐々に乾燥させた。乾燥ゲルの表面にクラッ
クは生じなかった。このゲルを600℃で残留有機物を除
去したのち、加熱すると1350℃で透明な石英ガラスが得
られた。Tetraethoxysilane, ethanol, and aqueous ammonia were mixed at a molar ratio of 1: 16: 4 to form a sol solution. This was poured into a cylindrical container 10 as shown in FIGS. 4 and 5, and the lid 11 was sealed while sliding the lid 11 so that air bubbles did not remain on the upper part of the receiver 10. At this time, as shown in FIG. By doing this,
The inside of the receiver 10 is completely filled with the sol solution, and no atmosphere remains in the receiver 10. This was heated to 70 ° C. After gelation, the mold was released and gradually dried. No cracks occurred on the surface of the dried gel. The gel was heated at 600 ° C. to remove residual organic matter, and then heated to 1350 ° C. to obtain a transparent quartz glass.
ところでこの発明は上述の実施例に限定されるもので
はない。たとえば実施例２では70℃で加熱しなくても室
温であってもよい。The present invention is not limited to the above embodiment. For example, in the second embodiment, the heating may not be performed at 70.degree.
発明の効果 この発明によればゾル全体をゲル化容器でおおい、ゾ
ルを容器以外のものや雰囲気にふれさせないので、ゲル
の異方性が減り均質となり、乾燥、無孔化高温処理が容
易となる。Effect of the Invention According to the present invention, the entire sol is covered with a gelling container, and the sol is not allowed to touch the atmosphere other than the container or the atmosphere. Become.
第１図はこの発明の方法を実施するための容器を示す
図、第２図はこの容器にゾルをみたした図、第３図は容
器を分解した図、第４図と第５図はこの発明の方法を実
施するための別の容器を示す図である。 1,2……型 ５……ゾル ６……フタFIG. 1 is a view showing a container for carrying out the method of the present invention, FIG. 2 is a view showing a sol in the container, FIG. 3 is an exploded view of the container, FIG. 4 and FIG. FIG. 4 shows another container for performing the method of the invention. 1,2 ... type 5 ... sol 6 ... lid
Claims (2)
を用いたゾル−ゲル法によるガラスの製造方法におい
て、ゾル全体をゲル化容器に接触するようにゲル化容器
でおおいゲル化し、ゲル化後、乾燥して多孔質ゲルを形
成させ、これを高温処理してガラス体とすることを特徴
とするガラスの製造方法。In a method for producing glass by a sol-gel method using a fine powder or an alkoxide or both, the whole sol is gelled in a gelling vessel so as to come into contact with the gelling vessel, gelled, and dried. Forming a porous gel, and subjecting the gel to a high temperature treatment to obtain a glass body.
特許請求の範囲第１項に記載のガラスの製造方法。2. The method for producing glass according to claim 1, wherein the sol is poured while irradiating the container with ultrasonic waves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62220247A JP2577572B2 (en) | 1987-09-04 | 1987-09-04 | Glass manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62220247A JP2577572B2 (en) | 1987-09-04 | 1987-09-04 | Glass manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6465028A JPS6465028A (en) | 1989-03-10 |
| JP2577572B2 true JP2577572B2 (en) | 1997-02-05 |
Family
ID=16748200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62220247A Expired - Fee Related JP2577572B2 (en) | 1987-09-04 | 1987-09-04 | Glass manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2577572B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2517657Y2 (en) * | 1991-09-11 | 1996-11-20 | ホシザキ電機株式会社 | Structure of door open / close detector for refrigerators |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6259904A (en) * | 1985-09-10 | 1987-03-16 | Nippon Sheet Glass Co Ltd | Manufacture of geodesic lens |
| JPS62119124A (en) * | 1985-11-18 | 1987-05-30 | Seiko Epson Corp | Production of glass |
-
1987
- 1987-09-04 JP JP62220247A patent/JP2577572B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6259904A (en) * | 1985-09-10 | 1987-03-16 | Nippon Sheet Glass Co Ltd | Manufacture of geodesic lens |
| JPS62119124A (en) * | 1985-11-18 | 1987-05-30 | Seiko Epson Corp | Production of glass |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6465028A (en) | 1989-03-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |