EA200501542A1 - Повышение устойчивости серебра к потускнению - Google Patents

Повышение устойчивости серебра к потускнению

Info

Publication number
EA200501542A1
EA200501542A1 EA200501542A EA200501542A EA200501542A1 EA 200501542 A1 EA200501542 A1 EA 200501542A1 EA 200501542 A EA200501542 A EA 200501542A EA 200501542 A EA200501542 A EA 200501542A EA 200501542 A1 EA200501542 A1 EA 200501542A1
Authority
EA
Eurasian Patent Office
Prior art keywords
product
alkylthioglycolate
dialkyl
silver
silver alloy
Prior art date
Application number
EA200501542A
Other languages
English (en)
Other versions
EA008833B1 (ru
Inventor
Питер Геймон Джонз
Клэр Элизабет Харрисон
Original Assignee
Миддлсекс Силвер Ко. Лимитед
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 Миддлсекс Силвер Ко. Лимитед filed Critical Миддлсекс Силвер Ко. Лимитед
Publication of EA200501542A1 publication Critical patent/EA200501542A1/ru
Publication of EA008833B1 publication Critical patent/EA008833B1/ru

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
    • 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

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)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Abstract

Алкантиол, алкилтиогликолят, диалкилсульфид или диалкилдисульфид можно использовать для обработки поверхности сплава серебра, содержащего германий в количестве, эффективном для уменьшения пятен перегрева и/или потускнения. Было найдено, что обработка уменьшает дальнейшее потускнение так, что образец можно поместить вблизи над 20% раствором полисульфида аммония в течение по меньшей мере 30 мин при сохранении в основном непотускневшего вида. Обработку можно провести в конце изготовления изделия для придания изделию способности сохранять непотускневший вид как во время перевозки до места продажи, так и при последующей экспозиции в течение длительного времени. Поэтому изобретение включает способ изготовления серебряного изделия, включающий стадии формования изделия из сплава серебра, содержащего такое количество германия, которое эффективно для уменьшения пятна перегрева и/или потускнения; обработки поверхности изделия алкантиолом, алкилтиогликолятом, диалкилсульфидом или диалкилдисульфидом; и упаковки изделия. Также раскрыты для применения при обработке сплава серебра, как показано выше, композиции на основе воды, содержащие реагент для обработки, который выбирают из алкантиола, алкилтиогликолята, диалкилсульфида или диалкилдисульфида, и смесь анионного поверхностно-активного вещества и амфотерного или неионного поверхностно-активного вещества в концентрации, эффективной для растворения реагента для обработки.
EA200501542A 2003-03-31 2004-03-30 Повышение устойчивости серебра к потускнению EA008833B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0307290.7A GB0307290D0 (en) 2003-03-31 2003-03-31 Enhancing silver tarnish-resistance
PCT/GB2004/001373 WO2004087996A1 (en) 2003-03-31 2004-03-30 Enhancing silver tarnish-resistance

Publications (2)

Publication Number Publication Date
EA200501542A1 true EA200501542A1 (ru) 2006-04-28
EA008833B1 EA008833B1 (ru) 2007-08-31

Family

ID=9955796

Family Applications (1)

Application Number Title Priority Date Filing Date
EA200501542A EA008833B1 (ru) 2003-03-31 2004-03-30 Повышение устойчивости серебра к потускнению

Country Status (10)

Country Link
US (1) US20070039665A1 (ru)
EP (1) EP1611267A1 (ru)
JP (1) JP2006523266A (ru)
CN (1) CN1780937A (ru)
AU (1) AU2004225693A1 (ru)
CA (1) CA2520807A1 (ru)
EA (1) EA008833B1 (ru)
GB (1) GB0307290D0 (ru)
MX (1) MXPA05010452A (ru)
WO (1) WO2004087996A1 (ru)

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GB2412666B (en) * 2004-03-30 2008-10-08 Paul Gilbert Cole Water-based metal treatment composition
GB0517166D0 (en) * 2005-08-23 2005-09-28 Middlesex Silver Co Ltd Silver wire
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
US7972655B2 (en) * 2007-11-21 2011-07-05 Enthone Inc. Anti-tarnish coatings
TR201910676T4 (tr) 2008-07-18 2019-08-21 Neogi Jayant Değerli taşlar üzerinde nanokristal elmas kaplamaların üretilmesine yönelik yöntem.
US9428821B2 (en) 2009-05-12 2016-08-30 Jostens, Inc. Gold alloys
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.
US8802202B2 (en) * 2010-03-05 2014-08-12 Suneeta S. Neogi Method for imparting tarnish protection or tarnish protection with color appearance to silver, silver alloys, silver films, silver products and other non precious metals
ITMI20121412A1 (it) * 2012-08-08 2014-02-09 San Lorenzo S R L Procedimento per la realizzazione di un manufatto da cucina con interno di argento o sue leghe elettroformato.
US9005522B2 (en) 2012-08-30 2015-04-14 Jostens, Inc. Silver alloy
CN103525313A (zh) * 2012-11-03 2014-01-22 连新兰 一种银器亮光的方法
ES2781310T3 (es) * 2016-06-23 2020-09-01 Atotech Deutschland Gmbh Una composición basada en agua para postratamiento de superficies metálicas
GB2561376A (en) * 2017-04-12 2018-10-17 Argentium International Ltd Silver alloys, investment casting using the alloys and casting grain
CN113957498A (zh) * 2020-07-21 2022-01-21 江苏汉宜新材料有限公司 一种降低腔体镀银层表面能的改性液
CN111996081A (zh) * 2020-08-31 2020-11-27 河北银瓷天成文化传播有限公司 一种银饰擦银布及其制备方法
CN114959715B (zh) * 2022-05-17 2024-02-06 中北大学 硫醚类铜基自组装膜的制备及缓蚀应用
CN115852354A (zh) * 2022-11-28 2023-03-28 北京市三强钢筋预应力设备有限公司 一种挤压锚的处理工艺

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US3330672A (en) * 1964-06-29 1967-07-11 Hunt Chem Corp Philip A Silver antitarnish compositions
GB1070384A (en) * 1964-08-19 1967-06-01 Goddard & Sons Ltd J Improvements in or relating to metal protecting preparations
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
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Also Published As

Publication number Publication date
US20070039665A1 (en) 2007-02-22
WO2004087996A1 (en) 2004-10-14
CN1780937A (zh) 2006-05-31
JP2006523266A (ja) 2006-10-12
EP1611267A1 (en) 2006-01-04
GB0307290D0 (en) 2003-05-07
MXPA05010452A (es) 2006-05-10
EA008833B1 (ru) 2007-08-31
CA2520807A1 (en) 2004-10-14
AU2004225693A1 (en) 2004-10-14

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Legal Events

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MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AM AZ BY KZ KG MD TJ TM RU