KR910004848A - Improved electrolytic method for coloring anodized aluminum - Google Patents

Improved electrolytic method for coloring anodized aluminum Download PDF

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Publication number
KR910004848A
KR910004848A KR1019900012763A KR900012763A KR910004848A KR 910004848 A KR910004848 A KR 910004848A KR 1019900012763 A KR1019900012763 A KR 1019900012763A KR 900012763 A KR900012763 A KR 900012763A KR 910004848 A KR910004848 A KR 910004848A
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bath
direct current
voltage
substrate
process according
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KR1019900012763A
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Korean (ko)
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베니테즈-가리가 엘리세오
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베니테즈-가리가 엘리세오
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Publication of KR910004848A publication Critical patent/KR910004848A/en

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    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C25D11/18—After-treatment, e.g. pore-sealing
    • C25D11/20—Electrolytic after-treatment
    • C25D11/22—Electrolytic after-treatment for colouring layers
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Optical Filters (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Materials For Photolithography (AREA)
  • Electroplating Methods And Accessories (AREA)

Abstract

내용 없음.No content.

Description

양극화 알루미늄을 착색하기 위한 개량된 전해 방법Improved electrolytic method for coloring anodized aluminum

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 양극화 단계중에 기판상에 형성된 양극 층의 개략도,1 is a schematic diagram of an anode layer formed on a substrate during an anodization step,

제2도는 캐비티를 형성함으로써 공극의 직경을 증가시키도록 작용하는, 변형 단계의 교류 처리의 효과를 도시한 도면,2 shows the effect of alternating current processing in the deformation step, acting to increase the diameter of the void by forming a cavity,

제3도는 전기 착색 단계중에 양극 층의 공극들내의 무기 물질의 피착을 도시한 도면.3 shows the deposition of inorganic material in the pores of the anode layer during the electrostaining step.

Claims (20)

광 간섭 효과에 의해 금속 기판의 전해 착색을 하기 위한 처리에 있어서, (a) 전해조내의 기판상에 다공성 양극 장벽 층을 현상하는 단계, (b) 직류 및 교류의 정해진 전압 순차를 기판에 순차적으로 인가시킴으로써 양극 장벽 층을 변형하는 단계, (c) 교류에 의해 양극 장벽 층의 공극들내에 피착된 물질인 무기 물질의 소정양을 전기착색 조에서 전해적으로 피착하는 단계를 포함하는 것을 특징으로 하는 처리.In the process for electrolytic coloring of a metal substrate by the optical interference effect, (a) developing a porous anode barrier layer on a substrate in an electrolytic cell, and (b) applying a predetermined voltage sequence of direct current and alternating current to the substrate in sequence. Thereby modifying the anode barrier layer, and (c) electrolytically depositing, in an electrochromic bath, a predetermined amount of inorganic material, the material deposited in the pores of the anode barrier layer by alternating current. . 제1항에 있어서, 정해진 전압 순차가 제1교류에 의해 이어지는 제1직류를 포함하는 것을 특징으로 하는 처리.The process according to claim 1, wherein the predetermined voltage sequence comprises a first direct current followed by a first alternating current. 제2항에 있어서, 제1교류가 대칭인 것을 특징으로 하는 처리.The process according to claim 2, wherein the first alternating current is symmetrical. 제3항에 있어서, 제2직류 전압을 인가시킴으로써 양극 장벽 층을 변형하는 단계를 포함하는 것을 특징으로 하는 처리.The process of claim 3 including modifying the anode barrier layer by applying a second direct current voltage. 제4항에 있어서, 상기 변형 단계가 산 전해조 및 전기 착색조로 부터 선택된 조에서 수행되는 것을 특징으로 하는 처리.5. The process according to claim 4, wherein said modifying step is carried out in a bath selected from acid electrolytic baths and electro coloring baths. 제5항에 있어서, 제3직류 전압이 약 20분 미만 동안 인가되는 것을 특징으로 하는 처리.The process of claim 5 wherein the third direct current voltage is applied for less than about 20 minutes. 제6항에 있어서, 상기 직류 전압이 약 25V미만인 것을 특징으로 하는 처리.7. The process of claim 6, wherein said direct current voltage is less than about 25V. 제4항에 있어서, 상기 변형 단계가 술폰화산, 카르복실산 및 무기 산으로부터 선택된 산을 포함하는 전해질을 포함하는 별도의 조에서 수행되는 것을 특징으로 하는 처리.5. The process according to claim 4, wherein said modifying step is carried out in a separate bath comprising an electrolyte comprising an acid selected from sulfonic acids, carboxylic acids and inorganic acids. 제1항에 있어서, 상기 전기 착색조내의 기판에 직류를 가함으로써 단계(c)에서 피착된 무기 물질의 양을 조정하는 단계를 더 포함하는 것을 특징으로 하는 처리.The process of claim 1, further comprising adjusting the amount of inorganic material deposited in step (c) by applying a direct current to the substrate in the electrochromic bath. 제8항에 있어서, 상기 인가된 전압이 경사진 것을 특징으로 하는 처리.9. The process of claim 8, wherein the applied voltage is sloped. 제10항에 있어서, 금속 기판이 알루미늄 및 알루미늄 합금으로부터 선택되는 것을 특징으로 하는 처리.The process of claim 10 wherein the metal substrate is selected from aluminum and an aluminum alloy. 양극화 조에서 다공성 양극 필름을 기판상에 설정하는 단계, 필름내의 공극들을 변형하는 단계, 및 전기 착색 조에 서 공극들내에 무기 물질을 전해적으로 피 착하는 단계를 갖고 있는 광 간섭에 의해 금속 기판를 전해적으로 착색하기 위한 처리에 있어서, 상기 기판에 제1직류 전압 및 제1교류 전압을 가함으로써 다공성 양극 필름을 변형하는 단계를 포함하는 것을 특징으로 하는 처리.A metal substrate is transferred by optical interference, which comprises setting a porous anode film on a substrate in an anodic bath, deforming voids in the film, and electrolytically depositing inorganic material in the pores in an electrostaining bath. A process for coloring with pirates, the process comprising deforming the porous anode film by applying a first direct current voltage and a first alternating voltage to the substrate. 제12항에 있어서, 상기 교류가 대칭인 것을 특징으로 하는 처리.13. The process according to claim 12, wherein the alternating current is symmetrical. 제13항에 있어서, 상기 기판에 제2직류 전압을 가하는 것을 더 포함하는 것을 특징으로 하는 처리.15. The process of claim 13, further comprising applying a second direct current voltage to the substrate. 제14항에 있어서, 상기 변형이 양극화 조에서 수행되는 것을 특징으로 하는 처리.15. The process according to claim 14, wherein said deformation is carried out in an anodic bath. 제14항에 있어서, 상기 변형이 술폰화산, 카르복실산, 및 무기산으로 부터 선택된 산을 포함하는 전해질을 포함하는 별도의 조에서 수행되는 것을 특징으로 하는 처리.15. The process according to claim 14, wherein the modification is carried out in a separate bath comprising an electrolyte comprising an acid selected from sulfonic acids, carboxylic acids, and inorganic acids. 제14항에 있어서, 상기 제2직류 전압이 약 20분 미만도안 인가되는 것을 특징으로 하는 처리.15. The process of claim 14, wherein said second DC voltage is applied within less than about 20 minutes. 제17항에 있어서, 상기 변형이 전기 착색 조에서 수행되는 것을 특징으로 하는 처리.18. The process according to claim 17, wherein said deformation is carried out in an electroplating bath. 제18항에 있어서, 상기 직류 전압이 약 25V미만으로 부터인 것을 특징으로 하는 처리.19. The process of claim 18, wherein said direct current voltage is from less than about 25V. 제1항 또는 제12항의 방법에 의해 제조된, 이의 표면상에 다공성 양극 산화물 코팅을 갖고 있는 것을 특징으로 하는 착색된 알루미늄 제품.Colored aluminum product, produced by the method of claim 1 or 12, having a porous anodic oxide coating on its surface. ※ 참고사항: 최초출원 내용에 의하여 공개하는것임.※ Note: The disclosure is based on the initial application.
KR1019900012763A 1989-08-17 1990-08-17 Improved electrolytic method for coloring anodized aluminum KR910004848A (en)

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MX17234 1989-08-17
MX1723489 1989-08-17

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EP (1) EP0413589A1 (en)
JP (1) JPH05125589A (en)
KR (1) KR910004848A (en)
AU (1) AU633132B2 (en)
BR (1) BR9004077A (en)
CA (1) CA2023502A1 (en)
IT (1) IT1240224B (en)
NO (1) NO903635L (en)
PT (1) PT95029A (en)
WO (1) WO1991002830A1 (en)

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ES2037578B1 (en) * 1991-04-10 1994-02-01 Novamax Technologies Holding I METHOD FOR OBTAINING, BY ELECTRONICALLY, ON ANODIZED ALUMINUM, A RANGE OF GRAY COLORS.
ES2052455B1 (en) * 1992-12-31 1994-12-01 Novamax Tech Holdings PROCEDURE FOR ELECTROLYTICALLY OBTAINING ON ANODIZED ALUMINUM OF A COLOR RANGE OF VISIBLE SPECTRUM.
US5472788A (en) * 1994-07-14 1995-12-05 Benitez-Garriga; Eliseo Colored anodized aluminum and electrolytic method for the manufacture of same
ES2110372B1 (en) * 1996-08-02 1999-06-16 Rodriguez Martinez Dionisio ELECTROLYTIC PROCEDURE FOR THE COLORING OF THE ANODIZED ALUMINUM, THROUGH THE MODIFICATION AND CONTROL OF THE TRANSMISSION COLOR OF THE ANODIC FILM.
CA2377953A1 (en) * 1999-06-25 2001-01-04 Nippon Light Metal Company, Ltd. Method for electrolytic coloring of aluminum material
DE19938180C1 (en) * 1999-08-17 2001-01-11 Erbsloeh Ag Process for electrolytically coloring aluminum or aluminum alloy workpieces comprises anodizing the workpiece to form a covering layer, treating layer with a direct current and coloring the workpiece in an electrolytic solution
WO2001018281A1 (en) * 1999-09-07 2001-03-15 Alcan International Limited Rapid colouring process for aluminum products
CN102330137B (en) * 2011-09-03 2015-07-08 广亚铝业有限公司 Inorganic colorful electrolysis coloring technology for aluminium profile anodic oxide film
CN102330138B (en) * 2011-09-14 2014-04-23 湖南大学 Preparation of aluminum or aluminum alloy dual-layer anodic oxide film and preparation of multi-color coloring film thereof
US9512536B2 (en) 2013-09-27 2016-12-06 Apple Inc. Methods for forming white anodized films by metal complex infusion
US10760175B2 (en) 2015-10-30 2020-09-01 Apple Inc. White anodic films with multiple layers
CN109722698B (en) * 2018-12-18 2021-02-09 佛山科学技术学院 Interference coloring method for double-layer microstructure film on surface of aluminum alloy
CN110699731A (en) * 2019-09-30 2020-01-17 佛山科学技术学院 Preparation method of aluminum alloy-based colorful composite oxide film with three-layer microstructure
CN110983407A (en) * 2019-12-19 2020-04-10 佛山科学技术学院 Preparation method for in-situ patterning of colorful composite oxide film on surface of aluminum alloy
IT202200019686A1 (en) 2022-09-26 2024-03-26 Luca Casanova System and method for coloring metal objects

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US4022671A (en) * 1976-04-20 1977-05-10 Alcan Research And Development Limited Electrolytic coloring of anodized aluminum
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JPS5948960B2 (en) * 1977-04-15 1984-11-29 不二サッシ株式会社 How to color aluminum or aluminum alloy with primary colors
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JPS5914120B2 (en) * 1979-08-30 1984-04-03 立山アルミニウム工業株式会社 How to color aluminum or aluminum alloy
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AU1629483A (en) * 1983-06-27 1985-01-03 Nomura, A. Pigmentation of aluminum mold material

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WO1991002830A1 (en) 1991-03-07
EP0413589A1 (en) 1991-02-20
AU6110390A (en) 1991-02-21
IT9067011A0 (en) 1990-01-09
NO903635L (en) 1991-02-18
JPH05125589A (en) 1993-05-21
IT1240224B (en) 1993-11-27
CA2023502A1 (en) 1991-02-18
NO903635D0 (en) 1990-08-17
BR9004077A (en) 1991-09-03
PT95029A (en) 1991-04-18
AU633132B2 (en) 1993-01-21
IT9067011A1 (en) 1991-07-09

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