ES2086471T3 - Medio para la proteccion temporal contra el oscurecimiento de superficies de plata y superficies de cobre desnudas y procedimiento para su utilizacion. - Google Patents

Medio para la proteccion temporal contra el oscurecimiento de superficies de plata y superficies de cobre desnudas y procedimiento para su utilizacion.

Info

Publication number
ES2086471T3
ES2086471T3 ES91121903T ES91121903T ES2086471T3 ES 2086471 T3 ES2086471 T3 ES 2086471T3 ES 91121903 T ES91121903 T ES 91121903T ES 91121903 T ES91121903 T ES 91121903T ES 2086471 T3 ES2086471 T3 ES 2086471T3
Authority
ES
Spain
Prior art keywords
temporary protection
silver
darkening
procedure
protection against
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
Application number
ES91121903T
Other languages
English (en)
Inventor
Hermann Dr Dipl-Chem Grossmann
Erwin Marka
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.)
Doduco Solutions GmbH
Original Assignee
Doduco GmbH and Co KG Dr Eugen Duerrwaechter
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
Priority claimed from DE19904041596 external-priority patent/DE4041596A1/de
Application filed by Doduco GmbH and Co KG Dr Eugen Duerrwaechter filed Critical Doduco GmbH and Co KG Dr Eugen Duerrwaechter
Application granted granted Critical
Publication of ES2086471T3 publication Critical patent/ES2086471T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING 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
    • C23F—NON-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
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
    • C23F11/16—Sulfur-containing compounds
    • C23F11/161—Mercaptans

Landscapes

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

Abstract

SE REFIERE A UN MEDIO PARA LA PROTECCION TEMPORAL DE SUPERFICIES BRILLANTES DE PLATA O DE ALEACIONES DE PLATA CONTRA LA COLORACION, QUE CONTIENE, COMO INHIBIDOR HIDROFOBO, UN COMPUESTO ALIFATICO DE CADENA LARGA CON AL MENOS 12 ATOMOS-C EN LA CADENA, ES DECIR UN TIOL O UN PRODUCTO DE LA ESTERIFICACION DE ESTE, AGUA Y UN EMULSIONANTE HIDROSOLUBLE, CON CUYA AYUDA EL INHIBIDOR ES EMULSIONADO EN EL AGUA. EL VALOR-PH SE FIJA EN 1 A 10. EL MEDIO ES TAMBIEN APTO PARA LA INACTIVACION DE SUPERFICIES DE COBRE O DE ALEACIONES DE COBRE.
ES91121903T 1990-12-22 1991-12-20 Medio para la proteccion temporal contra el oscurecimiento de superficies de plata y superficies de cobre desnudas y procedimiento para su utilizacion. Expired - Lifetime ES2086471T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19904041596 DE4041596A1 (de) 1990-12-22 1990-12-22 Mittel zum zeitweiligen schutz von blanken silberoberflaechen gegen anlaufen und verfahren zu seiner anwendung
DE4124955 1991-07-27

Publications (1)

Publication Number Publication Date
ES2086471T3 true ES2086471T3 (es) 1996-07-01

Family

ID=25899756

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91121903T Expired - Lifetime ES2086471T3 (es) 1990-12-22 1991-12-20 Medio para la proteccion temporal contra el oscurecimiento de superficies de plata y superficies de cobre desnudas y procedimiento para su utilizacion.

Country Status (3)

Country Link
EP (1) EP0492487B1 (es)
DE (1) DE59107581D1 (es)
ES (1) ES2086471T3 (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4333127A1 (de) * 1993-09-29 1995-03-30 Basf Ag Verfahren zum Schutz von lötfähigen Kupfer- und Kupferlegierungsoberflächen vor Korrosion
US7524535B2 (en) * 2004-02-25 2009-04-28 Posco Method of protecting metals from corrosion using thiol compounds
GB2412666B (en) * 2004-03-30 2008-10-08 Paul Gilbert Cole Water-based metal treatment composition
DE102005047843A1 (de) * 2005-10-05 2007-04-12 OTB Oberflächentechnik in Berlin GmbH & Co. Passivierungs- und Schmiermittel für Gold-, Silber- und Kupferoberflächen und Verfahren zu seiner Anwendung
US7883738B2 (en) 2007-04-18 2011-02-08 Enthone Inc. Metallic surface enhancement
US10017863B2 (en) 2007-06-21 2018-07-10 Joseph A. Abys Corrosion protection of bronzes
TWI453301B (zh) 2007-11-08 2014-09-21 Enthone 浸鍍銀塗層上的自組分子
IT1398698B1 (it) * 2010-02-24 2013-03-08 Mesa S A S Di Malimpensa Simona E Davide E C Metodo per la protezione di superfici di argento e sue leghe dall'imbrunimento.
CN104032289B (zh) * 2013-08-23 2015-02-25 珠海罗西尼表业有限公司 金及其合金表面耐腐蚀抗变色处理方法及其专用处理液
CN108315739B (zh) * 2018-02-10 2019-03-22 深圳市祥盛兴科技有限公司 一种化学抛光液及化学抛光工艺
CN112703061A (zh) * 2019-08-13 2021-04-23 法国圣戈班玻璃厂 减少玻璃基底上银丝的腐蚀

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1347705A (fr) * 1961-09-28 1964-01-04 Minnesota Mining & Mfg Composition empêchant le ternissement des surfaces à base de cuivre
DE1282414B (de) * 1963-12-18 1968-11-07 Wmf Wuerttemberg Metallwaren Mittel zum Schutz von Silberwaren durch Passivieren ihrer Oberflaeche mittels organischer Thioverbindungen
US3398003A (en) * 1965-04-26 1968-08-20 Verle C. Smith Silver polish-tarnish retarder containing a dialkyl disulfide having from 8 to 20 carbon atoms in each alkyl radical
DE1546119A1 (de) * 1965-11-04 1970-03-12 Becker Hans Delu Fab Edelmetallreinigungs- und -polierbad mit Anlaufschutz
DE3905850A1 (de) * 1989-02-24 1990-08-30 Blasberg Oberflaechentech Verfahren zum schuetzen von blanken silberoberflaechen

Also Published As

Publication number Publication date
DE59107581D1 (de) 1996-04-25
EP0492487B1 (de) 1996-03-20
EP0492487A1 (de) 1992-07-01

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