• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a process for electrolytically colouring anodised surfaces of aluminium and aluminium alloys with metal salts, wherein a defined oxide layer is first produced by means of direct current in acidic solution and this is then coloured by means of an alternating current or an alternating current with superposed direct current, using an acidic electrolyte containing tin(II) salts. The subject of the invention is the addition of water-soluble compounds of the general formulae (I) to (IV) which stabilise tin(II) salts …<IMAGE>… where R1 is hydrogen, alkyl, aryl, alkylaryl, alkylarylsulphonic acid, alkyl sulphonic acid and alkali metal salts thereof, each having 1 to 22 carbon atoms, R2 is hydrogen, alkyl, aryl, alkylaryl, alkylarylsulphonic acid, alkylsulphonic acid and alkali metal salts thereof, each having 1 to 22 carbon atoms, R3 represents one or more hydrogen atoms and/or alkyl, aryl or alkylaryl radicals having 1 to 22 carbon atoms and R4 and R5 represent one or more hydrogen atoms, alkyl, aryl and/or alkylaryl radicals, sulphonic acid, alkylsulphonic acid, alkylarylsulphonic acid and alkali metal salts thereof having 1 to 22 carbon atoms, at least one of the radicals R1, R2 and R3 being a radical other than hydrogen. …<IMAGE>…
    公开号:SU1722235A3
    申请号:SU894614535
    申请日:1989-07-18
    公开日:1992-03-23
    发明作者:Бродалла Дитер；Линденер Юрген；Де Ризе-Мейер Лоэрт；Вюст Вилли；Шредер Кристине；Бухмейер Вилли；Фелл Юрген
    申请人:Хенкель Кгаа (Фирма)；
    IPC主号:
    专利说明:

    nium alloys containing a water-soluble divalent salt of tin and a water-soluble divalent salt of nickel, an acid and a derivative of phenol, due to the fact that as a derivative of phenol it contains a water-soluble compound of the general formulas I - IV
    OR, OR s, IT
    I rjo
    Sn ()
    Ki, Rs
    (and) TO
    where RI is hydrogen, alkyl, aryl, alkylaryl, alkylaryl sulfonic acid, alkyl sulfonic acid, and their alkali metal salts, moreover, these hydrocarbon residues have 1-22 carbon atoms, respectively;
    Ra is hydrogen, alkyl, aryl, alkylaryl, alkylaryl sulfonic acid, alkyl sulfonic acid, and their alkali metal salts, and these hydrocarbon residues have 1-22 carbon atoms, respectively;
    R3 is one or more residues of hydrogen and / or alkyl, aryl, alkylaryl with 1 to 22 carbon atoms;
    R4 and Rg are one or more residues of hydrogen, alkyl, aryl, and / or alkylaryl, sulfonic acid, alkylsulfonic acid, alkylaryl sulfonic acid, and their alkali metal salts, and these hydrocarbon residues have 1–2 carbon atoms, and at least one from the radicals Ri, R2 and Pz matters other than hydrogen.
    The proposed aqueous electrolyte is distinguished not only by excellent storage stability, but also by good dispersing ability. The scattering ability is understood to mean the property of an electrolyte to paint (anodized parts of aluminum in uniform shade at different distances from the counter-electrode). Good diffusing power is important if the used aluminum parts have a complex shape (dyeing recesses), are very large, or, due to their cost-effectiveness, should paint many parts at the same time and average hues should be obtained. Due to the good scattering ability of the electrolyte painting becomes more economical due to the possibility of painting several parts with one workflow.
    Dyeing anodized surfaces of aluminum or aluminum alloys using the proposed
    the electrolyte is carried out in a known manner.
    Example 1
    A. Accelerated stability test for storage of dye baths at room temperature.
    Aqueous electrolytes are prepared, each containing 10 g / l of sulfuric acid, tin sulfate 00 and a phenol derivative.
    0 At room temperature, solutions are vigorously stirred with a magnetic stirrer and treated with a glass frit with 12 l / h of pure oxygen. The content of ions is constantly determined by iodometry.
    The results of stability during storage and operation are summarized in the table.
    B. Test for determining stability under electrical load.
    0 The table also summarizes the results of changes in the concentration of tin (II) in dye baths under electrical load. Continuous electrolysis is carried out using high-grade steel electrodes. The amount of current current is recorded using a counter. The characteristic behavior of the painted oxide layer is simulated by the corresponding sinus distortion.
    0 AC at high capacitive load. The amount of tin (II) ions oxidized by electrode reactions is determined by determining the ions of tin (II) by iodometric titration, gravimetrically
    5, the precipitated tin is determined and the sum of these two values is calculated from the initial amount of dissolved tin (II). As a measure for the stabilizing effect, the value is chosen, at which a 5 g / l decrease in the concentration of tin (II) by an oxidative reaction can no longer be prevented.
    Example 2. The electrolytes of Example 1, including comparative, are used to rip anodized sheets of sizes 50x500x1 mm at room temperature and a voltage of 15 V. In all cases, uniformly painted aluminum sheets are obtained.
    0
    权利要求:
    Claims (1)
    [1]
    Invention Aqueous electrolyte for dyeing anodized surfaces of aluminum or aluminum alloys containing a soluble salt of divalent tin or water soluble salts of divalent tin and nickel, an acid and a derivative of phenol, characterized in that, in order to improve stability during storage and operation, it is derived
    Phenol contains a water-soluble compound of the general formulas I-IV
    OR, OR nnQP., OH
     X ҐГ © -RI T HiO
     ID (p) (br) where Ri is hydrogen, alkyl, aryl, alkylaryl, alkylaryl sulfonic acid, alkyl sulfonic acid, and their alkali metal salts, and these hydrocarbon residues have 1-22 carbon atoms;
    R2 is hydrogen, alkyl, aryl, alkylaryl, alkylaryl sulfonic acid, alkyl sulfonic acid and their alkali metal salts, and these hydrocarbon residues have 1-22 carbon atoms;
    Jaz is one or several residues of hydrogen and / or a lil aa, aryl, alkylaryl with 1-22 carbon atoms;
    R4 and Rs - one or more residues
    hydrogen, alkyl, aryl and / or alkylaryl, sulfonic acid, alkyl sulfonic acid, alkylaryl sulfonic acid, and their alkali metal salts, and these hydrocarbon residues have 1-22 atoms
    carbon, and at least one of the radicals Ri, R2 and RG has a meaning other than hydrogen,
    in the following ratio of components, g / l; water-soluble tin salt or water-soluble salts of tin and nickel (in terms of metal) 3-20; compound of general formulas I-IV 0.1-2; acid to pH 0.1-2.
    Table continuation
    类似技术:
    公开号 | 公开日 | 专利标题
    SU1722235A3|1992-03-23|Aqueous electrolyte for staining of anodized aluminium surfaces or aluminium alloys
    US3704209A|1972-11-28|Method for electrochemical coloring of aluminum and alloys
    Sheasby et al.1974|The electrolytic colouring of anodized aluminium
    US4312721A|1982-01-26|Electrolytic oxidation process
    US4571287A|1986-02-18|Electrolytically producing anodic oxidation coat on Al or Al alloy
    JPH08504889A|1996-05-28|Method for electrolytically coloring aluminum surface using alternating current
    JP2941055B2|1999-08-25|Electrolyte additive for coloring bath for coloring aluminum and method for coloring aluminum
    US3788956A|1974-01-29|Electrolytic coloring of anodized aluminum
    EP0182479B1|1990-02-07|Nickel sulphate colouring process for anodized aluminium
    US4100041A|1978-07-11|Method of forming a colored and oxide film on aluminum and aluminum alloys
    JPS61143593A|1986-07-01|Method for electrolytically coloring aluminum material
    US3770600A|1973-11-06|Process for coloring the surface of aluminum workpieces by anodization
    KR101101869B1|2012-01-05|plasma electrolytic black coloring method of aluminum
    SU1254062A1|1986-08-30|Method of electric deposition of cadmium
    US3425918A|1969-02-04|Electrolyte for the production of selfcolored anodic oxide layers on aluminum and aluminum alloys
    KR940010459B1|1994-10-22|Stabilizer of stannic ion|
    SE458207B|1989-03-06|PROCEDURES FOR ELECTRICAL ELECTRICAL OF ALUMINUM OR ITS ALloy
    SU1379344A1|1988-03-07|Electrolyte for electrochemical black colouring of anodized aluminium and its alloys
    US5312541A|1994-05-17|Improvements in processes for coloring anodized aluminum and/or aluminum alloys
    Ikonopisov1974|The nitrite melts—A promising electrolyte for anodization of aluminium
    JPH0742599B2|1995-05-10|Method for electrolytically coloring aluminum or aluminum alloy
    JPH09241893A|1997-09-16|Counter electrode for electrolyzing treatment to aluminum material and surface treatment using the same
    JPS556448A|1980-01-17|Coloring method of anodic oxidation film
    Klepetář et al.1974|The composition, stability, and the electrochemical behaviour of the manganese | complex with triethanolamine
    JPH11106993A|1999-04-20|Method for electrolytically neutralizing anodic oxide film of aluminum or alloy
    同族专利:
    公开号 | 公开日
    NO177233C|1995-08-09|
    TR23878A|1990-10-16|
    AU3824289A|1990-01-25|
    EP0354365B1|1993-04-21|
    HU205973B|1992-07-28|
    PT91208B|1995-03-01|
    DE3824403A1|1990-01-25|
    JPH0273994A|1990-03-13|
    DD284061A5|1990-10-31|
    EP0354365A1|1990-02-14|
    PL162190B1|1993-09-30|
    KR960011248B1|1996-08-21|
    NO892946L|1990-01-22|
    CN1041446C|1998-12-30|
    DK355689A|1990-01-20|
    YU46733B|1994-04-05|
    FI89812C|1993-11-25|
    CA1339115C|1997-07-29|
    NO177233B|1995-05-02|
    ES2041899T3|1993-12-01|
    DK355689D0|1989-07-18|
    AU608992B2|1991-04-18|
    JP2916168B2|1999-07-05|
    MX173050B|1994-01-31|
    FI893466A|1990-01-20|
    US5064512A|1991-11-12|
    FI893466A0|1989-07-18|
    KR900001887A|1990-02-27|
    HUT50888A|1990-03-28|
    AT88510T|1993-05-15|
    AR241811A1|1992-12-30|
    NO892946D0|1989-07-18|
    CN1039452A|1990-02-07|
    PT91208A|1990-02-08|
    FI89812B|1993-08-13|
    DE58904127D1|1993-05-27|
    ZA895472B|1990-03-28|
    BR8903541A|1990-03-13|
    NZ229976A|1991-04-26|
    YU142989A|1991-04-30|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    NO120248B|1969-06-25|1970-09-21|O Gedde|
    US3769180A|1971-12-29|1973-10-30|O Gedde|Process for electrolytically coloring previously anodized aluminum using alternating current|
    JPS5245650B2|1972-04-03|1977-11-17|
    JPS4931614A|1972-07-25|1974-03-22|
    DE2309453B2|1973-02-26|1975-04-30|Vereinigte Aluminium-Werke Ag, 5300 Bonn|Bath and process for the electrolytic coloring of anodized aluminum|
    AT324795B|1973-07-02|1975-09-25|Piesslinger Ind Baubedarf|PROCESS AND COLORING ELECTROLYTE FOR COLORING GRAY OF ANODIC OXIDIZED OBJECTS MADE OF ALUMINUM OR ITS ALLOYS|
    JPS5026066A|1973-07-05|1975-03-18|
    JPS5423664B2|1975-03-06|1979-08-15|
    JPS51122637A|1975-04-19|1976-10-26|Riyouji Suzuki|Process for rapid coloring anodic coating of aluminum|
    JPS5440214B2|1975-06-13|1979-12-03|
    GB1482390A|1975-11-24|1977-08-10|Norsk Hydro As|Process for colouring of anodised aluminium and aluminium alloys|
    JPS6012437B2|1976-05-10|1985-04-01|Pilot Pen Co Ltd|
    JPS5439254B2|1976-06-14|1979-11-27|
    JPS6025966B2|1976-07-21|1985-06-21|Olympus Optical Co|
    FR2384037B1|1977-03-17|1980-04-18|Nice Anodisation Sa|
    JPS5497545A|1978-01-19|1979-08-01|Sumitomo Light Metal Ind|Forming of colored skin of aluminium|
    JPS54162637A|1978-06-14|1979-12-24|Tahei Asada|Inorganic coloring of aluminum|
    DE2850136B2|1978-11-18|1981-01-22|Goldschmidt Ag Th|Process for the electrolytic coloring of anodic oxide layers produced on aluminum|
    JPS55131195A|1979-03-30|1980-10-11|Sumitomo Light Metal Ind Ltd|Electrolytic coloring method for aluminum|
    DE2921241A1|1979-04-19|1980-10-23|Alusuisse|ACID TIN-II CONTAINING ELECTROLYT|
    JPS6152821B2|1979-07-30|1986-11-14|Mitsui Petrochemical Ind|
    IT1142650B|1981-12-31|1986-10-08|Grace Italiana Spa|ALUMINUM ELECTRO-COLORING PLANT AND PROCESS|
    JPS59190389A|1983-04-13|1984-10-29|Tateyama Alum Kogyo Kk|Method for coloring aluminum or aluminum alloy|
    DE3611055C1|1986-04-02|1987-06-19|Alusuisse|Acid tin-containing electrolyte|US5312541A|1986-03-25|1994-05-17|Sandoz Ltd.|Improvements in processes for coloring anodized aluminum and/or aluminum alloys|
    DE4034304A1|1990-10-29|1992-04-30|Henkel Kgaa|ELECTROLYTE ADDITIVES FOR A COLORING BATHROOM FOR ALUMINUM COLORING AND METHOD FOR COLORING ALUMINUM|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE3824403A|DE3824403A1|1988-07-19|1988-07-19|METHOD FOR ELECTROLYTIC METAL SALT COLORING OF ANODISED ALUMINUM SURFACES|
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