BR112012021150A2 - método para proteger as supérfícies de prata e de ligas de prata contra o escurecimento. - Google Patents

método para proteger as supérfícies de prata e de ligas de prata contra o escurecimento.

Info

Publication number
BR112012021150A2
BR112012021150A2 BR112012021150A BR112012021150A BR112012021150A2 BR 112012021150 A2 BR112012021150 A2 BR 112012021150A2 BR 112012021150 A BR112012021150 A BR 112012021150A BR 112012021150 A BR112012021150 A BR 112012021150A BR 112012021150 A2 BR112012021150 A2 BR 112012021150A2
Authority
BR
Brazil
Prior art keywords
silver
darkening
alloy surfaces
protect
silver alloy
Prior art date
Application number
BR112012021150A
Other languages
English (en)
Other versions
BR112012021150B1 (pt
Inventor
Narducci Dario
Original Assignee
Mesa S A S Di Malimpensa Simona E Davide E C
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 Mesa S A S Di Malimpensa Simona E Davide E C filed Critical Mesa S A S Di Malimpensa Simona E Davide E C
Publication of BR112012021150A2 publication Critical patent/BR112012021150A2/pt
Publication of BR112012021150B1 publication Critical patent/BR112012021150B1/pt

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/18—Processes for applying liquids or other fluent materials performed by dipping
    • B05D1/185—Processes for applying liquids or other fluent materials performed by dipping applying monomolecular layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00—Manufacture or treatment of nanostructures
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/02—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using non-aqueous solutions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2202/00—Metallic substrate
    • B05D2202/40—Metallic substrate based on other transition elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2350/00—Pretreatment of the substrate
    • B05D2350/60—Adding a layer before coating
    • B05D2350/63—Adding a layer before coating ceramic layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
    • B05D3/0486—Operating the coating or treatment in a controlled atmosphere

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Chemically Coating (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Laminated Bodies (AREA)

Abstract

método para proteger as supérfícies de prata e de ligas de prata contra o escurecimento. método para proteger as superfícies de prata e de ligas prata contra o escurecimento, caractericado por: submeter inicialmente a superfície a ser tratada a um pré- tratamento em solventes orgânicos, imergir a superfície dessa forma limpa, numa solução acida capaz de assegurar a formação de uma camada delgada de óxido de prata, imergir a superfície assim oxidada numa solução de pelo menos um tiol de fórmula ch~ 3~ (ch~ 2~) ~ n~sh onde n é entre 10 e 16, reagir quimicamente as moléculas do referido tiol com a superfície de prata previamente oxidada, em um ambiente contendo vapor d'agua numa temperatura de pelo menos 50 <198>c.
BR112012021150-1A 2010-02-24 2011-02-23 método para proteger as supérfícies de prata e de ligas de prata contra o escurecimento BR112012021150B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITVE2010A000008A IT1398698B1 (it) 2010-02-24 2010-02-24 Metodo per la protezione di superfici di argento e sue leghe dall'imbrunimento.
ITVE2010A000008 2010-02-24
PCT/IB2011/000369 WO2011104614A1 (en) 2010-02-24 2011-02-23 Method for protecting silver and silver alloy surfaces against tarnishing

Publications (2)

Publication Number Publication Date
BR112012021150A2 true BR112012021150A2 (pt) 2017-07-18
BR112012021150B1 BR112012021150B1 (pt) 2021-01-05

Family

ID=42752925

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012021150-1A BR112012021150B1 (pt) 2010-02-24 2011-02-23 método para proteger as supérfícies de prata e de ligas de prata contra o escurecimento

Country Status (10)

Country Link
US (1) US9057135B2 (pt)
EP (1) EP2539487B1 (pt)
JP (1) JP5651855B2 (pt)
CN (1) CN102906307B (pt)
BR (1) BR112012021150B1 (pt)
CA (1) CA2789532A1 (pt)
DK (1) DK2539487T3 (pt)
IT (1) IT1398698B1 (pt)
RU (1) RU2556162C2 (pt)
WO (1) WO2011104614A1 (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG11201405507QA (en) * 2012-03-26 2014-11-27 Innomart Pte Ltd An aqueous solution for forming an alkylthiol self-assembled monolayer and a method for forming the same using the solution
CN102747350B (zh) * 2012-07-18 2016-05-25 深圳市成功科技有限公司 金、银镀层表面保护剂
CN103525313A (zh) * 2012-11-03 2014-01-22 连新兰 一种银器亮光的方法
MX2017007989A (es) 2014-12-16 2017-10-18 Agere S R L Proceso mejorado para proteger superficies de metales nobles y/o de sus aleaciones contra el deslustre.
EP3475466B1 (en) * 2016-06-23 2020-03-04 ATOTECH Deutschland GmbH A water-based composition for post-treatment of metal surfaces
JP2019214126A (ja) * 2016-10-17 2019-12-19 アルプスアルパイン株式会社 複合成形部材および複合成形部材の製造方法、ならびに電子・電気部品および電子・電気部品の製造方法
JP6969869B2 (ja) * 2016-12-19 2021-11-24 株式会社大和化成研究所 気化性変色防止剤
CN109776366B (zh) * 2017-11-13 2020-12-25 深圳市华星光电技术有限公司 一种铜保护剂
IT201800006484A1 (it) 2018-06-20 2019-12-20 Enrico Rossi Protezione dall'ossidazione di oggetti d'argento (ag) leghe di argento, oro (au) ed altri metalli in lega ottenuti anche come deposito galvanico
CN112501603B (zh) * 2020-12-02 2021-08-17 深圳技术大学 一种黑色银饰及其制备方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5327693B2 (pt) * 1973-02-09 1978-08-10
JPS52111430A (en) * 1976-03-15 1977-09-19 Alps Electric Co Ltd Method of preventing tarnish of silver and silver alloy
JPS5871479A (ja) * 1981-10-23 1983-04-28 Citizen Watch Co Ltd 時計用文字板
DE3905850A1 (de) 1989-02-24 1990-08-30 Blasberg Oberflaechentech Verfahren zum schuetzen von blanken silberoberflaechen
JPH04110474A (ja) * 1990-08-30 1992-04-10 Meidensha Corp 銀めっきの後処理方法
DE59107581D1 (de) * 1990-12-22 1996-04-25 Duerrwaechter E Dr Doduco Mittel zum zeitweiligen Schutz von blanken Silber- und Kupferoberflächen gegen Anlaufen und Verfahren zu seiner Anwendung
WO1999048682A1 (en) * 1998-03-27 1999-09-30 University Of Pittsburgh Tarnish resistant article, preparation, manufacture and methods of use of same
US6165284A (en) * 1998-06-25 2000-12-26 Albemarle Corporation Method for inhibiting tarnish formation during the cleaning of silver surfaces with ether stabilized, N-propyl bromide-based solvent systems
US7261839B2 (en) * 2002-01-22 2007-08-28 Northern Technologies International Corp. Tarnish inhibiting composition and article containing it
GB0307290D0 (en) * 2003-03-31 2003-05-07 Cole Paul G Enhancing silver tarnish-resistance
GB2402399B (en) * 2003-06-03 2005-10-12 Cole Paul Gilbert Silver ternary alloy
GB2412666B (en) * 2004-03-30 2008-10-08 Paul Gilbert Cole Water-based metal treatment composition
US20100133107A1 (en) 2006-10-19 2010-06-03 Ramot At Tel-Aviv University Ltd Method for electrochemical deposition of monolayers on metallic surfaces and objects coated with an organic monolayer
CN100531934C (zh) * 2006-10-26 2009-08-26 大连海事大学 利用有机超薄膜的金属抗变色方法
US7972655B2 (en) 2007-11-21 2011-07-05 Enthone Inc. Anti-tarnish coatings
KR101973460B1 (ko) 2015-02-09 2019-05-02 한국전자통신연구원 다중 입력 영상 보정 장치 및 방법

Also Published As

Publication number Publication date
WO2011104614A1 (en) 2011-09-01
ITVE20100008A1 (it) 2011-08-25
CA2789532A1 (en) 2011-09-01
RU2012140455A (ru) 2014-03-27
IT1398698B1 (it) 2013-03-08
BR112012021150B1 (pt) 2021-01-05
JP5651855B2 (ja) 2015-01-14
CN102906307A (zh) 2013-01-30
EP2539487A1 (en) 2013-01-02
DK2539487T3 (da) 2015-01-05
CN102906307B (zh) 2015-04-15
US9057135B2 (en) 2015-06-16
JP2013520570A (ja) 2013-06-06
RU2556162C2 (ru) 2015-07-10
US20120305141A1 (en) 2012-12-06
EP2539487B1 (en) 2014-09-17

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according art. 34 industrial property law
B06U Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure
B09A Decision: intention to grant
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 23/02/2011, OBSERVADAS AS CONDICOES LEGAIS.