JPS6166960A - Coating method of pipe inside - Google Patents
Coating method of pipe insideInfo
- Publication number
- JPS6166960A JPS6166960A JP18942484A JP18942484A JPS6166960A JP S6166960 A JPS6166960 A JP S6166960A JP 18942484 A JP18942484 A JP 18942484A JP 18942484 A JP18942484 A JP 18942484A JP S6166960 A JPS6166960 A JP S6166960A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- solution
- flowed
- alkoxide solution
- metal alkoxide
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/50—Conditioning of the sorbent material or stationary liquid
- G01N30/56—Packing methods or coating methods
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/50—Conditioning of the sorbent material or stationary liquid
- G01N30/56—Packing methods or coating methods
- G01N2030/567—Packing methods or coating methods coating
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemically Coating (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明はパイプ内面のコーティング方法に関し、特にガ
スクロマ１〜グラフの毛細管カラムの内面のコーティン
グに用いて好適なコーティング方法に関する。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a method for coating the inner surface of a pipe, and particularly to a coating method suitable for coating the inner surface of a capillary column of Gas Chroma 1 to Graph.
〈従来例〉
毛細管型ガスクロマトグラフのカラムは内径０゜１５〜
０．２５ｍｍ、長さ１Ｄ、ｍ程度のものが常用され、材
質は銅、ガラス、ステンレス鋼、ナイロン、アルミニウ
ム等が用いられている。<Conventional example> Capillary gas chromatograph columns have an inner diameter of 0°15~
Those with a diameter of about 0.25 mm and a length of 1D, m are commonly used, and the materials used include copper, glass, stainless steel, nylon, and aluminum.
パイプを毛細管型ガスク［ｌマドグラフのカラムどして
用いる場合、パイプの内面には吸着剤としての液相を付
着づる必要があるが、前記パイプの材質は不活性であり
、しかもパイプの内径が極めて細く、かつ、長さが長い
ので、液相を均一に付着させるのが難かしいという問題
があった。When a pipe is used as a capillary gas column, it is necessary to attach a liquid phase as an adsorbent to the inner surface of the pipe, but the material of the pipe is inert and the inner diameter of the pipe is small. Since it is extremely thin and long, there is a problem in that it is difficult to apply the liquid phase uniformly.
〈発明の目的〉
本発明は上記従来技術の問題貞に鑑みてなされたもので
、パイプの内面に酸化物の１ｌＦＪコーテイングを行な
い活性の高い面とし、液相の付着しやすいパイプを提供
することを目的とする。<Objective of the Invention> The present invention has been made in view of the problems of the prior art described above, and it is an object of the present invention to provide a pipe in which the inner surface of the pipe is coated with 11FJ of oxide to make it a highly active surface, and to which the liquid phase easily adheres. With the goal.
〈発明の構成〉
この目的を達成する本発明の構成は、パイプに金属アル
コキシド溶液を流し、パイプ内面に前記金属アルコキシ
ド溶液を付着さけ、次に前記パイプに水分を含まないガ
スを流し、パイプ内面に付着した金属アルコキシド溶液
を均一に付着させ、次に前記パイプに水蒸気を流し、パ
イプ内面に付プ内面に金属酸化物の薄膜を形成したを構
成上の特徴とするものである。<Configuration of the Invention> The configuration of the present invention to achieve this object is to flow a metal alkoxide solution into a pipe, avoid adhering the metal alkoxide solution to the inner surface of the pipe, and then flow a water-free gas through the pipe to prevent the metal alkoxide solution from adhering to the inner surface of the pipe. The structure is characterized in that the metal alkoxide solution is uniformly deposited on the pipe, and then water vapor is flowed through the pipe to form a thin film of metal oxide on the inner surface of the pipe.
〈実施例〉
第１図〜第４図は本発明の一実施例を示１コーティング
工程を示すものである。第１図に示す第１の工程におい
て、１は例えば石英ガラスからなるパイプであり、この
パイプ１の一端が金属アルコキシド溶液３（例えば△ｌ
（Ｃ３Ｈ２Ｏ）３のアルコール溶液Ｃ３Ｈ？ ＯＨ
）が入った容器２の中に浸されている。４はパイプ１の
他端が接続されたトラップ、５はトラップの中を負圧に
引くためのモータである。上記構成の装置によりモータ
５を駆動して容器２から金属アルコキシド溶液３をパイ
プ１中に吸い込む。<Example> Figures 1 to 4 show an example of the present invention and show one coating process. In the first step shown in FIG.
Alcohol solution of (C3H2O)3 C3H? OH
) is immersed in container 2 containing. 4 is a trap to which the other end of the pipe 1 is connected; 5 is a motor for drawing negative pressure inside the trap. The motor 5 is driven by the device configured as described above to suck the metal alkoxide solution 3 from the container 2 into the pipe 1.
第２図は第２の■稈をに示すもので、６は水分を含まな
いＮ２ガスが入ったボンベである。このボンベ６にパイ
プ１の一端を接続し、バルブ７を調節しながらパイプ内
にＮ２ガスを徐々に流してパイプ内をパージし、パイプ
内面に付着した金属アルコキシド溶液を均一に付着させ
る。Figure 2 shows the second culm, and 6 is a cylinder containing N2 gas that does not contain water. One end of the pipe 1 is connected to this cylinder 6, and while adjusting the valve 7, N2 gas is gradually flowed into the pipe to purge the inside of the pipe, thereby uniformly depositing the metal alkoxide solution on the inner surface of the pipe.
第３図は第３の工程を示すもので、９は水蒸気が入った
ボイラーである。このボイラー９にパイプの一端を接続
し、バルブ１０を調節しながらパイプ１内に水蒸気を流
して金属アルコキシド溶液を加水分解する。Figure 3 shows the third step, where 9 is a boiler containing steam. One end of the pipe is connected to the boiler 9, and steam is flowed through the pipe 1 while adjusting the valve 10 to hydrolyze the metal alkoxide solution.
第４図は第４の工程を示すもので、１１は酸素ボンベで
ある。この酸素ボンベ１１にパイプの一端を接続しバル
ブ１２を調節しながらパイプ１内に酸素を流し、パイプ
全体を３Ｄ、〜５Ｄ、℃程麿に加熱して脱水を行ない、
パイプの内壁に活性の高いアルミナ１１０を形成する。FIG. 4 shows the fourth step, and 11 is an oxygen cylinder. One end of the pipe is connected to this oxygen cylinder 11, oxygen is flowed into the pipe 1 while adjusting the valve 12, and the entire pipe is heated to about 3D to 5D degrees Celsius to perform dehydration.
Highly active alumina 110 is formed on the inner wall of the pipe.
この後パイプ内に液相膜を形成してガスクロマドグラフ
のカラムを構成する。After this, a liquid phase film is formed inside the pipe to form a column for a gas chromatograph.
なお、本実施例においては金属アルコキシド溶液の一例
としてＡＩ（Ｃ３１−１□０）３のアルコール溶液Ｃ３
Ｈ７０８を用いたが酸化物の被膜を形成できるものであ
れば他の溶液を用いてもよい。In this example, an alcohol solution C3 of AI(C31-1□0)3 was used as an example of the metal alkoxide solution.
Although H708 was used, other solutions may be used as long as they can form an oxide film.
また、本実施例においては、パイプを一本として図示し
たが本例に限ることなく複数個を同時にコーティング作
業を行なうことも可能である。Further, in this embodiment, although the pipe is illustrated as one, it is not limited to this example, and it is also possible to perform the coating operation on a plurality of pipes at the same time.
〈発明の効果〉
以上、実施例とともに具体的に説明したＪ：うに本発明
によれば、内壁を活性の高い酸化被膜でコーティングし
たので、液相が付着し易く、しかも、耐蝕性の高いパイ
プを実現することができる。<Effects of the Invention> According to the present invention, the inner wall of the pipe is coated with a highly active oxide film, so that the liquid phase easily adheres to the pipe and the pipe has high corrosion resistance. can be realized.
第１図〜第４図は本発明の一実施例にお・ノるコーティ
ング工程を示寸もので、第１図はパイプ内面に金属アル
コキシドを付着させる工程、第２図はパイプ内面に付着
した金属アルコキシド溶液を均一に付着させる工程、第
３図はパイプに水蒸気を流し、パイプ内面に付着した前
記金属アルコキシト溶液を加水分解する工程、第４図は
パイプに酸素ガスを流し、加熱してパイプ内面に金属酸
化物の薄膜を形成する工程である。
１・・・パイプ、３・・・金属アルコキシド溶液、６・
・・Ｎ２ボンベ、９・・・ボイラー、１１・・・酸素ボ
ンベ。
６一
Ｍ３図
箪２図
蒐４図Figures 1 to 4 show the coating process according to an embodiment of the present invention. Figure 1 shows the process of depositing metal alkoxide on the inner surface of the pipe, and Figure 2 shows the process of depositing metal alkoxide on the inner surface of the pipe. The process of uniformly depositing the metal alkoxide solution, Figure 3 shows the process of flowing water vapor through the pipe to hydrolyze the metal alkoxide solution adhered to the inner surface of the pipe, and Figure 4 shows the process of flowing oxygen gas through the pipe and heating it. This is the process of forming a thin film of metal oxide on the inner surface of the pipe. 1... Pipe, 3... Metal alkoxide solution, 6.
...N2 cylinder, 9...Boiler, 11...Oxygen cylinder. 61 M3 drawing 2 drawing 4 drawing
Claims (1)
に前記金属アルコキシド溶液を付 着させ、 Ｂ、次に前記パイプに水分を含まないガスを流し、パイ
プ内面に付着した金属アルコキシ ド溶液を均一に付着させ、 Ｃ、次に前記パイプに水蒸気を流し、パイプ内面に付着
した前記金属アルコキシド溶液を 加水分解し、 Ｄ、次に前記パイプに酸素ガスを含むガスを流し、加熱
してパイプ内面に金属酸化物の薄 膜を形成した ことを特徴とするパイプ内面のコーティング方法。[Claims] A. A metal alkoxide solution is flowed through the pipe to cause the metal alkoxide solution to adhere to the inner surface of the pipe. B. Next, a water-free gas is flowed through the pipe to cause the metal alkoxide solution to adhere to the inner surface of the pipe. C. Next, water vapor is flowed through the pipe to hydrolyze the metal alkoxide solution adhering to the inner surface of the pipe. D. Next, a gas containing oxygen gas is flowed through the pipe and heated to form the pipe. A method for coating the inner surface of a pipe, characterized by forming a thin film of metal oxide on the inner surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18942484A JPS6166960A (en) | 1984-09-10 | 1984-09-10 | Coating method of pipe inside |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18942484A JPS6166960A (en) | 1984-09-10 | 1984-09-10 | Coating method of pipe inside |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6166960A true JPS6166960A (en) | 1986-04-05 |
Family
ID=16241017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18942484A Pending JPS6166960A (en) | 1984-09-10 | 1984-09-10 | Coating method of pipe inside |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6166960A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01245126A (en) * | 1988-03-28 | 1989-09-29 | Tosoh Corp | Analysis apparatus for concentration of gas in chlorine |
| JPH01248056A (en) * | 1988-03-29 | 1989-10-03 | Tosoh Corp | Hydrogen concentration analyzing device in wet chlorine |
| EP1348957A1 (en) * | 2002-03-27 | 2003-10-01 | Büchi Labortechnik AG | Device and process for filling a column with a filling material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5993879A (en) * | 1982-11-18 | 1984-05-30 | Yokogawa Hokushin Electric Corp | Formation of thin film |
| JPS59141064A (en) * | 1983-01-31 | 1984-08-13 | Shimadzu Corp | Column for chromatography |
-
1984
- 1984-09-10 JP JP18942484A patent/JPS6166960A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5993879A (en) * | 1982-11-18 | 1984-05-30 | Yokogawa Hokushin Electric Corp | Formation of thin film |
| JPS59141064A (en) * | 1983-01-31 | 1984-08-13 | Shimadzu Corp | Column for chromatography |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01245126A (en) * | 1988-03-28 | 1989-09-29 | Tosoh Corp | Analysis apparatus for concentration of gas in chlorine |
| JPH01248056A (en) * | 1988-03-29 | 1989-10-03 | Tosoh Corp | Hydrogen concentration analyzing device in wet chlorine |
| EP1348957A1 (en) * | 2002-03-27 | 2003-10-01 | Büchi Labortechnik AG | Device and process for filling a column with a filling material |
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