JP3175218B2 - Method of peeling fired ceramic plate - Google Patents
Method of peeling fired ceramic plateInfo
- Publication number
- JP3175218B2 JP3175218B2 JP22879391A JP22879391A JP3175218B2 JP 3175218 B2 JP3175218 B2 JP 3175218B2 JP 22879391 A JP22879391 A JP 22879391A JP 22879391 A JP22879391 A JP 22879391A JP 3175218 B2 JP3175218 B2 JP 3175218B2
- Authority
- JP
- Japan
- Prior art keywords
- ceramic plate
- ceramic
- peeling
- water
- plate
- 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 - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/502—Water
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/10—Compositions or ingredients thereof characterised by the absence or the very low content of a specific material
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physical Water Treatments (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、セラミック原料を板
状に成形した後、これを複数枚積み重ねて同時に焼成す
ることにより互に付着した複数枚のセラミック板を剥離
する方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for forming a ceramic raw material into a plate shape, stacking a plurality of the ceramic raw materials, and simultaneously firing the raw materials to peel off a plurality of ceramic plates adhered to each other.
【０００２】[0002]
【従来の技術】従来、セラミック板を焼成するにあたっ
ては、例えば、図２に示すように、セラミック板（この
従来例では、円板状セラミック板）１１を複数枚積み重
ねたセラミック板積層体１２を、所定の温度に昇温した
焼成炉に入れることによりその焼成を行っている。2. Description of the Related Art Conventionally, when a ceramic plate is fired, for example, as shown in FIG. 2, a ceramic plate laminate 12 in which a plurality of ceramic plates (in this prior art, a disk-shaped ceramic plate) 11 are stacked. The sintering is performed by placing the sintering furnace in a sintering furnace heated to a predetermined temperature.
【０００３】ところで、上記のように複数枚のセラミッ
ク板１１，１１，…を積み重ねた状態で焼成した場合、
セラミック板１１自体が完全に溶着して各セラミック板
１１，１１，…が一体になってしまうわけではないが、
セラミック板１１の表面の一部（低融点不純物や添加物
など）が溶融したりすることにより、各セラミック板１
１，１１，…が互に付着する（この明細書では、部分的
な溶着も含めて単に「付着」という）。[0003] When a plurality of ceramic plates 11, 11, ... are fired in a stacked state as described above,
Although the ceramic plate 11 itself is not completely welded and the ceramic plates 11, 11,.
By melting a part of the surface of the ceramic plate 11 (low melting point impurities, additives, etc.), each ceramic plate 1
Are attached to each other (in this specification, they are simply referred to as "adhesion" including partial welding).
【０００４】そこで、従来は、各セラミック板１１，１
１，…が互に付着した焼成セラミック板積層体１３をト
リクロロエタンやフロンなどの有機溶剤中に浸漬し、超
音波振動を与えて、互に付着したセラミック板１１を剥
離させている。Therefore, conventionally, each ceramic plate 11, 1
The baked ceramic plate laminate 13 having the... Adhered to each other is immersed in an organic solvent such as trichloroethane or chlorofluorocarbon, and ultrasonic vibration is applied to separate the ceramic plates 11 adhered to each other.
【０００５】[0005]
【発明が解決しようとする課題】しかし、近年、フロン
は環境に与える影響を考慮してその使用が規制されるに
至り、また、トリクロロエタンなどの有機溶剤も環境へ
の影響などを考慮すると、できるだけその使用を抑制す
ることが望ましい。However, in recent years, the use of chlorofluorocarbon has been regulated in consideration of its influence on the environment, and the use of organic solvents such as trichloroethane as well as the environment has been considered. It is desirable to suppress its use.
【０００６】そこで、フロンやその他の有機溶剤を用い
た従来の剥離方法に代るセラミック板の剥離方法への要
求が増大し、水または水系の物質を剥離用の液体として
用いる方法への移行が検討されているが、フロンやその
他の有機溶剤を用いた場合に比較して剥離効果が劣ると
いう問題点がある。Accordingly, the demand for a ceramic plate peeling method which is an alternative to the conventional peeling method using chlorofluorocarbon or other organic solvent has been increased, and a shift to a method of using water or an aqueous substance as a liquid for peeling has been made. Although it has been studied, there is a problem that the peeling effect is inferior to the case where chlorofluorocarbon and other organic solvents are used.
【０００７】この発明は、上記問題点を解決するもので
あり、環境を汚染するフロンやその他の有機溶剤などを
用いることなく、互に付着したセラミック板を、有機溶
剤を用いた場合と同等かまたはそれ以上の効率で剥離さ
せることが可能な焼成セラミック板の剥離方法を提供す
ることを目的とする。The present invention solves the above-mentioned problems. The present invention solves the above problem by using a ceramic plate which adheres to each other without using fluorocarbon or other organic solvents which pollute the environment. Another object of the present invention is to provide a method for peeling a fired ceramic plate that can be peeled with higher efficiency.
【０００８】[0008]
【課題を解決するための手段】上記目的を達成するた
め、発明者らは、鋭意検討を行い、溶存酸素を低減した
水を用い、これに付着したセラミック板を浸して超音波
を照射することにより、互に付着した焼成セラミック板
を効果的に剥離させることが可能であるとの知見を得て
この発明を完成した。Means for Solving the Problems In order to achieve the above object, the present inventors have conducted intensive studies, using water with reduced dissolved oxygen, immersing a ceramic plate attached thereto, and irradiating ultrasonic waves. As a result, the inventors have found that it is possible to effectively peel off the fired ceramic plates adhered to each other, and completed the present invention.
【０００９】すなわち、この発明にかかる焼成セラミッ
ク板の剥離方法は、セラミック原料を成形してなる板状
成形体を複数枚積み重ねて焼成することにより互に付着
した複数枚のセラミック板を剥離させる方法であって、
互に付着した複数枚のセラミック板を溶存酸素量が３pp
m以下の水に浸漬し、超音波振動を与えることを特徴と
する。That is, the method of peeling a fired ceramic plate according to the present invention is a method of stacking and firing a plurality of plate-like molded bodies formed of ceramic raw materials to peel off a plurality of ceramic plates adhered to each other. And
The amount of dissolved oxygen is 3 pp for multiple ceramic plates attached to each other.
It is characterized by being immersed in water of not more than m and applying ultrasonic vibration.
【００１０】なお、溶存酸素量が３ppm以下の水（脱酸
素水）は、例えば、中空糸膜フィルタを通過させる方法
や、逆浸透膜を用い、水に所定の圧力を加えて逆浸透さ
せる方法（逆浸透法）などによって、水中の酸素を除去
することにより製造することができる。Water having a dissolved oxygen content of 3 ppm or less (deoxygenated water) is, for example, passed through a hollow fiber membrane filter or reverse osmosis by applying a predetermined pressure to water using a reverse osmosis membrane. (Reverse osmosis method) or the like to remove oxygen in water.
【００１１】[0011]
【作用】水中の溶存酸素量と剥離不良発生率（剥離しな
かったセラミック板の全セラミック板に対する割合）
は、概略、図３に示すような関係があり、付着した複数
枚のセラミック板を浸した溶存酸素量が３ppm以下の水
が、付着した各セラミック板の間に浸透して、超音波に
よって生じる局所的な衝撃圧などにより、互に付着した
セラミック板を確実に剥離させる。[Action] The amount of dissolved oxygen in water and the rate of occurrence of peeling failure (ratio of unpeeled ceramic plate to total ceramic plate)
Has a relationship roughly as shown in FIG. 3, in which water having a dissolved oxygen content of 3 ppm or less permeating a plurality of attached ceramic plates penetrates between the attached ceramic plates and is locally generated by ultrasonic waves. The ceramic plates adhering to each other are reliably peeled off by an appropriate impact pressure or the like.
【００１２】[0012]
【実施例】以下、この発明の実施例を比較例とともに示
して、発明の特徴をさらに詳しく説明する。Hereinafter, the features of the present invention will be described in more detail with reference to examples of the present invention and comparative examples.
【００１３】この実施例では、図２に示すように、セラ
ミック原料を板状に成形した円板状セラミック板１を複
数枚積み重ねたセラミック積層体２を所定の温度に昇温
した焼成炉に入れて焼成することにより得られた、各セ
ラミック板１が互に付着して丸棒状になっている焼成セ
ラミック板積層体３を剥離させる場合（剥離テスト）に
ついて説明する。なお、セラミック板１としては、直径
が３．５mm，８．５mm及び１１．５mmの３種類のものを
用いた。In this embodiment, as shown in FIG. 2, a ceramic laminate 2 in which a plurality of disc-shaped ceramic plates 1 formed by molding ceramic raw materials into a plate shape is placed in a firing furnace heated to a predetermined temperature. A case where the ceramic plates 1 are adhered to each other and adhered to each other to form a round bar-shaped fired ceramic plate laminate 3 (peeling test) will be described. As the ceramic plate 1, three types having a diameter of 3.5 mm, 8.5 mm and 11.5 mm were used.
【００１４】この発明の実施例においては、まず、中空
糸膜または逆浸透膜を通過させることにより、通常７〜
８ppmの溶存酸素を３ppm以下に低減させた脱酸素水を作
成する（この実施例で用いた脱酸素水の溶存酸素量（濃
度）は２．６〜２．９ppmの範囲である）。[0014] In the embodiment of the present invention, by first passing through a hollow fiber membrane or reverse osmosis membrane, usually 7 ~
Deoxygenated water in which 8 ppm of dissolved oxygen is reduced to 3 ppm or less is prepared (the dissolved oxygen amount (concentration) used in this example is in the range of 2.6 to 2.9 ppm).
【００１５】それから、図１に示すように、上記の焼成
セラミック板積層体３（各セラミック板１は互に付着し
ている）１０００ｇを３００mm×４００mm×２０mmの通
液性を有するかご５に収納し、このかごを棚６に積み重
ね、最上段（この実施例では６段目）のかご５には蓋
（図示せず）を施す。Then, as shown in FIG. 1, 1000 g of the fired ceramic plate laminate 3 (each ceramic plate 1 is adhered to each other) is placed in a cage 5 having a liquid permeability of 300 mm × 400 mm × 20 mm. Then, the cars are stacked on a shelf 6, and a lid (not shown) is applied to the car 5 at the uppermost stage (the sixth stage in this embodiment).
【００１６】こうして、棚６に積み上げたかご５を棚６
ごと脱酸素水４に浸し、超音波振動発生手段７から超音
波振動を脱酸素水４に３分間与える。その後、かご５を
脱酸素水４から引き上げ、セラミック板１の剥離状態を
目視観察した。その結果を下記の表１に示す。Thus, the baskets 5 stacked on the shelf 6 are
The ultrasonic vibration generating means 7 applies ultrasonic vibration to the deoxidized water 4 for 3 minutes. Thereafter, the cage 5 was pulled out of the deoxidized water 4 and the peeled state of the ceramic plate 1 was visually observed. The results are shown in Table 1 below.
【００１７】なお、比較例として、溶存酸素量が８ppm
の水を用いた場合及びトリクロロエタンを用いた場合の
剥離テストの結果を表１に併せて示す。As a comparative example, the dissolved oxygen content was 8 ppm.
Table 1 also shows the results of the peeling test when water was used and when trichloroethane was used.
【００１８】[0018]
【表１】 [Table 1]
【００１９】表１において、「剥離不良発生率」は、剥
離しなかったセラミック板の全セラミック板に対する割
合を示す。In Table 1, "rate of occurrence of peeling failure" indicates the ratio of the ceramic plate which was not peeled to the total ceramic plate.
【００２０】表１より、脱酸素水を用いたこの発明の実
施例の場合、剥離不良発生率が０．０５％（直径３．５
mmのセラミック板の場合）〜０．０７％（直径８．５mm
及び１１．５mmのセラミック板の場合）であり、溶存酸
素を除去していない場合（剥離不良発生率＝１０．８％
〜１４．１％）と較べてきわめて低く、トリクロロエタ
ンを用いた場合と同等かそれ以上の剥離効果が得られる
ことがわかる。According to Table 1, in the case of the embodiment of the present invention using deoxygenated water, the rate of occurrence of peeling failure was 0.05% (diameter 3.5).
mm for ceramic plate) to 0.07% (8.5 mm in diameter)
And in the case of a ceramic plate of 11.5 mm) and the case where dissolved oxygen was not removed (rate of occurrence of peeling failure = 10.8%)
-14.1%), which indicates that a peeling effect equal to or higher than that in the case of using trichloroethane can be obtained.
【００２１】上記実施例では、互に付着した円板状のセ
ラミック板を剥離させる場合について説明したが、この
発明は、セラミック板の形状に特に制約はなく、方形
状、多角形状その他種々の形状のセラミック板を剥離さ
せる場合に適用することができる。In the above embodiment, the case where the disc-shaped ceramic plates adhered to each other are peeled off has been described. However, the present invention is not particularly limited in the shape of the ceramic plate, and it is not limited to a square shape, a polygonal shape, and various other shapes. It can be applied to the case where the ceramic plate is peeled off.
【００２２】[0022]
【発明の効果】上述のように、この発明の焼成セラミッ
ク板の剥離方法は、付着した複数枚のセラミック板を溶
存酸素量が３ppm以下の水に浸漬し、超音波振動を与え
るようにしているので、付着した複数枚のセラミック板
を浸漬した溶存酸素量が３ppm以下の水が、超音波振動
により、付着した各セラミック板の間に浸透して、互に
付着したセラミック板を確実に剥離させる。As described above, in the method for peeling a fired ceramic plate of the present invention, a plurality of attached ceramic plates are immersed in water having a dissolved oxygen content of 3 ppm or less, and ultrasonic vibration is applied. Therefore, water having a dissolved oxygen content of 3 ppm or less immersed in the plurality of attached ceramic plates penetrates between the attached ceramic plates by ultrasonic vibration, and the ceramic plates attached to each other are reliably separated.
【００２３】したがって、フロンやトリクロロエタンな
どの、環境を汚染するおそれのある物質を用いることな
く、付着したセラミック板を効果的に剥離させることが
可能になる。Therefore, the adhered ceramic plate can be effectively peeled off without using a substance that may pollute the environment, such as chlorofluorocarbon and trichloroethane.
【図１】この発明の一実施例を示す図である。FIG. 1 is a diagram showing one embodiment of the present invention.
【図２】この発明の一実施例に供した互に付着した焼成
セラミック板を示す斜視図である。FIG. 2 is a perspective view showing the fired ceramic plates adhered to each other provided in one embodiment of the present invention.
【図３】水中の溶存酸素量と剥離不良発生率との関係を
示す線図である。FIG. 3 is a graph showing the relationship between the amount of dissolved oxygen in water and the rate of occurrence of defective peeling.
１ セラミック板 ２ セラミック板積層体 ３ 焼成セラミック板積層体 ４ 脱酸素水 ７ 超音波振動発生手段 REFERENCE SIGNS LIST 1 ceramic plate 2 ceramic plate laminate 3 fired ceramic plate laminate 4 deoxidized water 7 ultrasonic vibration generating means
───────────────────────────────────────────────────── フロントページの続き (72)発明者 林 映克 京都府長岡京市天神二丁目26番10号 株 式会社 村田製作所内 (56)参考文献 特開 昭63−270364（ＪＰ，Ａ) 特開 平４−285074（ＪＰ，Ａ) 実開 平４−100140（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) C04B 41/00 C04B 35/64 ──────────────────────────────────────────────────続 き Continued on the front page (72) Eikatsu Hayashi Inventor Murata Manufacturing Co., Ltd. 2-26-10 Tenjin, Nagaokakyo-shi, Kyoto (56) References JP-A-63-270364 (JP, A) Hei 4-285074 (JP, A) Actually open Hei 4-100140 (JP, U) (58) Fields investigated (Int. Cl. 7 , DB name) C04B 41/00 C04B 35/64
Claims (1)
体を複数枚積み重ねて焼成することにより互に付着した
複数枚のセラミック板を剥離させる方法であって、互に
付着した複数枚のセラミック板を溶存酸素量が３ppm以
下の水に浸漬し、超音波振動を与えることを特徴とする
焼成セラミック板の剥離方法。1. A method of stacking and firing a plurality of plate-like compacts formed by molding ceramic raw materials to peel off a plurality of ceramic plates adhered to each other, wherein a plurality of ceramics adhered to each other are provided. A method for peeling a fired ceramic plate, comprising immersing the plate in water having a dissolved oxygen content of 3 ppm or less and applying ultrasonic vibration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22879391A JP3175218B2 (en) | 1991-08-13 | 1991-08-13 | Method of peeling fired ceramic plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22879391A JP3175218B2 (en) | 1991-08-13 | 1991-08-13 | Method of peeling fired ceramic plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0543352A JPH0543352A (en) | 1993-02-23 |
| JP3175218B2 true JP3175218B2 (en) | 2001-06-11 |
Family
ID=16881943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22879391A Expired - Lifetime JP3175218B2 (en) | 1991-08-13 | 1991-08-13 | Method of peeling fired ceramic plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3175218B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4721069B2 (en) * | 2005-06-14 | 2011-07-13 | 株式会社村田製作所 | Manufacturing method of ceramic plate |
| KR101624718B1 (en) * | 2013-09-25 | 2016-05-26 | 주식회사 아모텍 | Separating method and apparatus of ceramic sheet |
-
1991
- 1991-08-13 JP JP22879391A patent/JP3175218B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0543352A (en) | 1993-02-23 |
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