DE1186725B - Vapor phase inhibitor to prevent corrosion of copper and copper-containing alloys - Google Patents

Vapor phase inhibitor to prevent corrosion of copper and copper-containing alloys

Info

Publication number
DE1186725B
DE1186725B DEJ19099A DEJ0019099A DE1186725B DE 1186725 B DE1186725 B DE 1186725B DE J19099 A DEJ19099 A DE J19099A DE J0019099 A DEJ0019099 A DE J0019099A DE 1186725 B DE1186725 B DE 1186725B
Authority
DE
Germany
Prior art keywords
copper
vapor phase
containing alloys
same
prevent corrosion
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
Application number
DEJ19099A
Other languages
German (de)
Inventor
Joseph Bernard Cotton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of DE1186725B publication Critical patent/DE1186725B/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/02Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in air or gases by adding vapour phase inhibitors

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)

Description

Dampfphaseninhibitor zur Verhinderung der Korrosion von Kupfer und kupferhaltigen Legierungen Die vorliegende Erfindung betrifft eine weitere Ausbildung des Gegenstandes der Patentanmeldung J 19 098 VIb/48d1(deutsche Auslegeschrift 1 182 503), nämlich die Verwendung von Benztriazol als Dampfphaseninhibitor zur Verhinderung der Korrosion von Kupfer und kupferhaltigen Legierungen, das gemäß der vorliegenden Erfindung in Form einer 0,5- bis 1 °/oigen Lösung zum Imprägnieren von Verpackungsmaterial angewendet wird.Vapor phase inhibitor to prevent corrosion of copper and Copper-Containing Alloys The present invention relates to a further embodiment the subject matter of patent application J 19 098 VIb / 48d1 (German Auslegeschrift 1 182 503), namely the use of benzotriazole as a vapor phase inhibitor for prevention the corrosion of copper and copper-containing alloys, which according to the present Invention in the form of a 0.5 to 1% solution for impregnating packaging material is applied.

Wie schon in der Hauptpatentanmeldung ausgeführt, ist es bekannt, organische Verbindungen als Dampfphaseninhibitoren, insbesondere für Gegenstände aus Eisen und Eisenmetallen zu verwenden, wobei diese Verbindungen auch in Form von mit entsprechenden Lösungen imprägniertem Papier oder anderem Umhüllungsmaterial für die betreffenden Gegenstände verwendet worden sind. Diese bekannten Inhibitoren sind jedoch nicht gut für den Schutz von Gegenständen aus Kupfer und Kupferlegierungen anwendbar.As already stated in the main patent application, it is known organic compounds as vapor phase inhibitors, in particular for objects Made of iron and ferrous metals to use, these compounds also in the form of paper or other wrapping material impregnated with appropriate solutions have been used for the objects in question. These known inhibitors however, are not good for protecting copper and copper alloy items applicable.

Die Anwendung von Benztriazolinhibitor für Kupfer und kupferhaltige Legierungen gemäß der Erfindung erfolgt in der Weise, daß das Umhüllungsmaterial für die betreffenden Gegenstände mit einer entsprechenden Lösung von Benztriazol in einem geeigneten Lösungsmittel, die zwischen 0,1 und 5 °/o, vorzugsweise zwischen 0,5 und 10/, Benztriazol enthält, getränkt wird.The application of benzotriazole inhibitor for copper and copper-containing Alloys according to the invention takes place in such a way that the cladding material for the objects in question with an appropriate solution of benzotriazole in a suitable solvent, between 0.1 and 5%, preferably between 0.5 and 10 /, contains benzotriazole, is soaked.

Die Wirksamkeit von Benztriazol in der angegebenen Form als Inhibitor gegen Korrosion von Kupfer oder kupferhaltigen Legierungen wurde durch Vergleichsversuche nachgewiesen, die wie folgt durchgeführt wurden: Papier oder ein anderes Einschlagmaterial für die betreffenden Gegenstände wurde mit einer Benztriazollösung in einem geeigneten Lösungsmittel, wie Alkohol oder Wasser, der angegebenen Konzentration getränkt, ablaufen gelassen und getrocknet, und die Gegenstände wurden dann in das so imprägnierte Papier eingewickelt und eine gewisse Zeit lang in einer feuchten Atmosphäre bei verschiedenen und zwischen warm und kalt wechselnden Temperaturen gehalten. Weiterhin wurden die Gegenstände mit ihrer Umhüllung auch in Meerwasser gewässert und dann 2 Tage trocknen gelassen. In der folgenden Tabelle sind die Ergebnisse von dreizehn Versuchen, ausgedrückt als Grad ihrer Verfärbung, zusammengestellt. Benztriazol- Ver- Versuchsbedingung gehalt des Versuchs- such Material hinsichtlich des Einschlag- Versuchsbedingungen Verfärbung Nr. Einschlagpapiers papiers dauer °/o 1 Kupfer unbehandelt - 8 Wochen konstante Temperatur mäßig bis stark 2 desgl. ohne Einschlagpapier - desgl. desgl. desgl. 3 desgl. desgl. - 10 Tage veränderl. Temperatur stark 4 desgl. behandelt 1 desgl. desgl. mäßig bis stark 5 Messing unbehandelt - desgl. desgl. desgl. 6 desgl. ohne Einschlagpapier - desgl. desgl. desgl. 7 desgl. unbehandelt - 16 Wochen konstante Temperatur gering (Fortsetzung) Benztriazol- Ver- Versuchsbedingung gehalt des such Material hinsichtlich des Einschlag- Versuchs- Versuchsbedingungen Verfärbung Nr. Einschlagpapiers papiers dauer °/o 8 desgl. ohne Einschlagpapier - 16 Wochen konstante Temperatur gering 9 desgl. behandelt 2,5 desgl. desgl. sehr gering 10 Kupfer unbehandelt - - Meerwasser stark 11 Messing desgl. - - desgl. desgl. 12 Kupfer behandelt 2,5 - desgl. sehr gering 13 Messing desgl. 2,5 - desgl. desgl. The effectiveness of benzotriazole in the specified form as an inhibitor against corrosion of copper or copper-containing alloys was demonstrated by comparative tests, which were carried out as follows: Paper or another wrapping material for the objects in question was treated with a benzotriazole solution in a suitable solvent such as alcohol or water , soaked in the specified concentration, allowed to drain and dried, and the objects were then wrapped in the paper thus impregnated and kept for a certain period of time in a humid atmosphere at various temperatures, alternating between warm and cold. Furthermore, the objects with their wrapping were also soaked in sea water and then allowed to dry for 2 days. The table below shows the results of thirteen tests, expressed as the degree of their discoloration. Benzotriazole Test condition content of the test look for material for impact test conditions discoloration No. of wrapping paper duration ° / o 1 Copper untreated - 8 weeks constant temperature moderate to strong 2 the same. Without wrapping paper - the same. The same. 3 the same. The same - 10 days changeable. Temperature strong 4 the same. Treats 1 the same. The same. Moderately to severely 5 brass untreated - the same. The same. The same. 6 the same. Without wrapping paper - the same. The same. 7 also untreated - 16 weeks constant temperature low (Continuation) Benzotriazole Comparable experimental condition content of the look for material for impact test test conditions discoloration No. of wrapping paper duration ° / o 8 the same without wrapping paper - 16 weeks constant temperature low 9 like. Treated 2.5 like. Like very little 10 Copper untreated - - Sea water strong 11 brass like - - like like 12 copper treated 2.5 - the same very low 13 brass like 2.5 - like like

Claims (1)

Patentanspruch: Verwendung von Benztriazol als Dampfphaseninhibitor zur Verhinderung der Korrosion von Kupfer und kupferhaltigen Legierungen gemäß Patentanmeldung J 19 098 VI b/48 d' (deutsche Auslegeschrift 1 182 503) als 0,5- bis 1,0°/jge Lösung zum Imprägnieren von Verpackungsmaterial. In Betracht gezogene Druckschriften: Deutsche Patentschriften Nr. 814 725, 850 976; »Metalloberfläche, 1955, S. A 87; »Werkstoffe und Korrosion«, 1956, S. 266; »Jahrbuch der Oberflächentechnik«, 1959, S.85; 1960, S.323; »Ind. and Engin. Chemistry«, 46 (1954), S.2592 bis 2594; Referat im »Chemischen Zentralblatt«, 1953, S. 6759, über »Materials and Methods«, 34 (1951), S. 84 bis 86.Claim: Use of benzotriazole as a vapor phase inhibitor to prevent corrosion of copper and copper-containing alloys according to patent application J 19 098 VI b / 48 d '(German Auslegeschrift 1 182 503) as a 0.5 to 1.0% / y solution for impregnating packaging material. Publications considered: German Patent Nos. 814,725, 850,976; »Metalloberfläche, 1955, p. A 87; »Materials und Korrosion ”, 1956, p. 266; "Yearbook of Surface Technology", 1959, p.85; 1960, P.323; »Ind. and Engin. Chemistry ", 46 (1954), 2592-2594; Presentation in the »Chemical Zentralblatt ”, 1953, p. 6759, about“ Materials and Methods ”, 34 (1951), p. 84 bis 86.
DEJ19099A 1959-12-04 1960-12-02 Vapor phase inhibitor to prevent corrosion of copper and copper-containing alloys Pending DE1186725B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1186725X 1959-12-04

Publications (1)

Publication Number Publication Date
DE1186725B true DE1186725B (en) 1965-02-04

Family

ID=10880800

Family Applications (1)

Application Number Title Priority Date Filing Date
DEJ19099A Pending DE1186725B (en) 1959-12-04 1960-12-02 Vapor phase inhibitor to prevent corrosion of copper and copper-containing alloys

Country Status (1)

Country Link
DE (1) DE1186725B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE814725C (en) * 1947-10-24 1951-09-24 Bataafsche Petroleum Mij De Process for treating materials, in particular packaging materials, in order to enable them to give off corrosion-preventing fumes
DE850976C (en) * 1950-02-15 1952-09-29 Wakefield & Co Ltd C C Prevents the corrosion of metals by gases and vapors

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE814725C (en) * 1947-10-24 1951-09-24 Bataafsche Petroleum Mij De Process for treating materials, in particular packaging materials, in order to enable them to give off corrosion-preventing fumes
DE850976C (en) * 1950-02-15 1952-09-29 Wakefield & Co Ltd C C Prevents the corrosion of metals by gases and vapors

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