KR950018650A - Chromate solution excellent in corrosion resistance and paint adhesion, and chromate coating method using the same - Google Patents

Chromate solution excellent in corrosion resistance and paint adhesion, and chromate coating method using the same Download PDF

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Publication number
KR950018650A
KR950018650A KR1019930028511A KR930028511A KR950018650A KR 950018650 A KR950018650 A KR 950018650A KR 1019930028511 A KR1019930028511 A KR 1019930028511A KR 930028511 A KR930028511 A KR 930028511A KR 950018650 A KR950018650 A KR 950018650A
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South Korea
Prior art keywords
chromate
concentration
solution
corrosion resistance
paint adhesion
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KR1019930028511A
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Korean (ko)
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KR960011017B1 (en
Inventor
박찬섭
정용균
노상걸
Original Assignee
조말수
포항종합제철 주식회사
백덕현
재단법인 산업과학기술연구소
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Priority to KR1019930028511A priority Critical patent/KR960011017B1/en
Publication of KR950018650A publication Critical patent/KR950018650A/en
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Publication of KR960011017B1 publication Critical patent/KR960011017B1/en

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    • 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
    • C23C22/05—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 aqueous solutions
    • C23C22/06—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 aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/24—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 aqueous solutions using aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds
    • C23C22/33—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 aqueous solutions using aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds containing also phosphates
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09D133/08—Homopolymers or copolymers of acrylic acid esters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • 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
    • C23C22/05—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 aqueous solutions
    • C23C22/06—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 aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/24—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 aqueous solutions using aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds
    • C23C22/30—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 aqueous solutions using aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds containing also trivalent chromium

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)

Abstract

본 발명은 도포형 크로메이트 처리용액의 적정 성분 및 함량을 제어함으로써 내식성 및 표면외관이 우수함은 물론 도장 밀착성이 우수한 크로메이트 피막을 형성하기 위한 크로메이트 용액 및 이 용액을 이용하여 크로메이트 피막을 형성하는 방법을 제공하고자 하는데, 그 목적이 있다.The present invention provides a chromate solution and a method of forming a chromate film using the solution to form a chromate film having excellent corrosion resistance and surface appearance as well as excellent coating adhesion by controlling the appropriate component and content of the coated chromate treatment solution. I would like to, but its purpose is.

본 발명은 크로메이트 강판용 크로메이트 용액에 있어서, 총크롬농도 : 80-150g/ℓ, PO4 3-농도 : 30-80g/ℓ, 콜로이달 실리카 농도 : 50-200g/ℓ, 아크릴에멀젼 농도 : 1-8g/ℓ및 상기 총크롬에 대한 3가 크롬비가 0.2-0.6으로 조성되는 크로메이트 용액 및 이용액을 아연 및 아연합금 도금강판에 도포하여 수세처리 없이 80-200℃의 온도 범위에서 건조시키는 것을 특징으로 하는 내식성 및 도장 밀착성이 우수한 크로메이트 피막 제조방법에 관한 것을 그 요지로 한다.The present invention is a chromate solution for chromate steel sheet, the total chromium concentration: 80-150g / l, PO 4 3- concentration: 30-80g / l, colloidal silica concentration: 50-200g / l, acrylic emulsion concentration: 1-8g corrosion resistance, characterized in that the chromate solution and the use solution of the trivalent chromium ratio with respect to the total chromium is 0.2-0.6 and applied to the zinc and zinc alloy plated steel sheet and dried in a temperature range of 80-200 ℃ without washing with water And a chromate film production method excellent in paint adhesion.

Description

내식성 및 도장밀착성이 우수한 크로메이트 용액 및 이를 이용한 크로메이트피막 제조방법Chromate solution excellent in corrosion resistance and paint adhesion, and chromate coating method using the same

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 크로메이트 용액중의 인산 첨가량에 따른 크로메이트 피막의 도장 밀착성 상태를 나타내는 그래프.1 is a graph showing the coating adhesion state of the chromate coating according to the amount of phosphoric acid added in the chromate solution.

Claims (2)

크로메이트 강판용 크로메이트 용액에 있어서, 총크롬농도 : 80-150g/ℓ, PO4 3-농도 : 30-80g/ℓ, 콜로이달실리카 농도 : 50-200g/ℓ, 아크릴에멀젼 농도 : 1-8g/ℓ및 상기 총크롬에 대한 3가 크롬비가 0.2-0.6으로 조성되는 것을 특징으로 하는 내식성 및 도장 밀착성이 우수한 크로메이트 용액.In the chromate solution for chromate steel sheet, the total chromium concentration: 80-150g / l, PO 4 3- concentration: 30-80g / l, colloidal silica concentration: 50-200g / l, acrylic emulsion concentration: 1-8g / l and The chromate solution excellent in corrosion resistance and paint adhesion, characterized in that the trivalent chromium ratio to the total chromium is 0.2-0.6. 아연 및 아연계합금 도금강판에 크로메이트 피막을 제조하는 방법에 있어서, 총크롬농도 : 80-150g/ℓ, PO4 3-농도 : 30-80g/ℓ, 콜로이달 실리카 농도 : 50-200g/ℓ, 아크릴에멀젼 농도 : 1-8g/ℓ및 상기 총크롬에 대한 3가 크롬비가 0.2-0.6으로 조성된 크로메이트 용액을 상기 강판에 도포한 후 수세처리를 행하지 않고 80-200℃에서 건조하는 것을 특징으로 하는 내식성 및 도장 밀착성이 우수한 크로메이트 피막 제조방법.In the method for producing a chromate coating on zinc and zinc-based alloy plated steel sheet, the total chromium concentration: 80-150g / l, PO 4 3- concentration: 30-80g / l, colloidal silica concentration: 50-200g / l, Acrylic emulsion concentration: 1-8 g / ℓ and the trivalent chromium ratio of the total chromium is applied to the steel plate after the chromate solution composed of 0.2-0.6 characterized in that the drying at 80-200 ℃ without washing with water A chromate coating method excellent in corrosion resistance and paint adhesion. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930028511A 1993-12-18 1993-12-18 Chromate solution with an excellent corrosion resistance and plating adhesivity, and method for making a chromate film to use the same KR960011017B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930028511A KR960011017B1 (en) 1993-12-18 1993-12-18 Chromate solution with an excellent corrosion resistance and plating adhesivity, and method for making a chromate film to use the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930028511A KR960011017B1 (en) 1993-12-18 1993-12-18 Chromate solution with an excellent corrosion resistance and plating adhesivity, and method for making a chromate film to use the same

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KR950018650A true KR950018650A (en) 1995-07-22
KR960011017B1 KR960011017B1 (en) 1996-08-16

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