KR940014899A - Chromate solution excellent in corrosion resistance and appearance and manufacturing method of chromate film using the same - Google Patents

Chromate solution excellent in corrosion resistance and appearance and manufacturing method of chromate film using the same Download PDF

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Publication number
KR940014899A
KR940014899A KR1019920026486A KR920026486A KR940014899A KR 940014899 A KR940014899 A KR 940014899A KR 1019920026486 A KR1019920026486 A KR 1019920026486A KR 920026486 A KR920026486 A KR 920026486A KR 940014899 A KR940014899 A KR 940014899A
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KR
South Korea
Prior art keywords
chromate
corrosion resistance
appearance
chromium
cro
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KR1019920026486A
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Korean (ko)
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KR950006280B1 (en
Inventor
박찬섭
노상걸
정용균
이승원
Original Assignee
박득표
포항종합제철 주식회사
백덕현
재단법인산업과학기술연구소
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Priority to KR1019920026486A priority Critical patent/KR950006280B1/en
Publication of KR940014899A publication Critical patent/KR940014899A/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
    • 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)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)

Abstract

본 발명은 아연 및 아연계합금 도금강판등에 적용되는 크로메이트처리에 관한 것으로서, 도포형 크로메이트 처리용액의 적정성분 및 함량을 제어함으로써 내식성 및 표면외관이 우수한 크로메이트 용액 및 이를 이용하여 크로메이트 피막을 제조하는 방법을 제공하고자 하는데, 그 목적이 있다.The present invention relates to a chromate treatment applied to zinc and zinc-based alloy plated steel sheet, etc., by controlling the appropriate components and content of the coated chromate treatment solution and a method for producing a chromate coating having excellent corrosion resistance and surface appearance and using the same It is intended to provide a purpose.

본 발명은 크롬 성분 : 80-150g/ℓ, PO4 3-: 1-10g/ℓ, 및 지르코늄(Zr) : 5-20g/ℓ로 조성되고, 그리고 총크롬에 대한 3가 크롬비가 0.3-0.6이 되도록 구성되는 내식성 및 외관이 우수한 크로메이트 용액 및 이를 이용한 크로메이트 피막의 제조방법을 그 요지로 한다.The present invention is composed of chromium component: 80-150g / l, PO 4 3- : 1-10g / l, and zirconium (Zr): 5-20g / l, and the trivalent chromium ratio to total chromium is 0.3-0.6 The chromate solution excellent in corrosion resistance and appearance comprised so that it may become this, and the manufacturing method of the chromate film using the same are made into the summary.

Description

내식성 및 외관이 우수한 크로메이트 용액 및 이를 이용한 크로메이트 피막의 제조방법Chromate solution excellent in corrosion resistance and appearance and manufacturing method of chromate film using the same

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

Claims (7)

크롬(Cr)성분 : 80-150g/ℓ, PO4 3-: 1-10g/ℓ, 및 지르코늄(Zr) : 5-20g/ℓ로 조성되고, 그리고 총크롬에 대한 3가크롬비가 0.3-0.6이 되도록 구성됨을 특징으로 하는 내식성 및 외관이 우수한 크로메이트 용액.Chromium (Cr) component: 80-150 g / l, PO 4 3- : 1-10 g / l, and zirconium (Zr): 5-20 g / l, and the trivalent chromium ratio to total chromium is 0.3-0.6 Chromate solution excellent in corrosion resistance and appearance, characterized in that configured to be. 제1항에 있어서, 크롬공급원이 CrO3, Na2CrO7, K2CrO4, (NH4)2Cr2O7등의 그롬6가 화합물로 부터 선택된 1종 또는 2종이상인 것을 특징으로 하는 내식성 및 외관이 우수한 크로메이트 용액.The method of claim 1, wherein the chromium source is one or two or more selected from Grom 6 is selected from the compound such as CrO 3 , Na 2 CrO 7 , K 2 CrO 4 , (NH 4 ) 2 Cr 2 O 7 Chromate solution with excellent corrosion resistance and appearance. 제1항 또는 제2항에 있어서, PO4 3-공급원이 H3PO4, Na2HPO4, Na2HPO4등의 PO4 3-화합물로부터 선택된 1종 또는 2종이상인 것을 특징으로 하는 내식성 및 외관이 우수한 크로메이트 용액.The corrosion resistance according to claim 1 or 2, wherein the PO 4 3- source is at least one selected from PO 4 3- compounds such as H 3 PO 4 , Na 2 HPO 4 , Na 2 HPO 4 and the like. And chromate solution with excellent appearance. 크롬(Cr)성분 : 80-150g/ℓ, PO4 3-: 1-10g/ℓ, 및 지르코늄(Zr) : 5-20g/ℓ로 조성되는 용액에 환원제를 첨가하여 총크롬에 대한 3가 크롬비가 0.3-0.6이되도록 환원시켜 크로메이트 용액을 제조한 다음, 상기 크로메이트 용액을 통상의 방법으로 강판상에 도포한 후 80-200℃의 온도범위에서 건조시킴을 특징으로 하는 내식성 및 외관이 우수한 크로메이트 피막의 제조방법.Chromium (Cr) component: 80-150 g / l, PO 4 3- : 1-10 g / l, and zirconium (Zr): 5-20 g / l Is reduced to 0.3-0.6 to prepare a chromate solution, and then the chromate solution is coated on a steel sheet in a conventional manner and dried in a temperature range of 80-200 ° C. Manufacturing method. 제4항에 있어서, 크롬공급원이 CrO3, Na2CrO7, K2CrO4, (NH4)2Cr2O7등의 크롬6가 화합물로부터 선택된 1종 또는 2종 이상인 것을 특징으로 하는 내식성 및 외관이 우수한 크로메이트 피막의 제조방법.The corrosion resistance according to claim 4, wherein the chromium source is at least one selected from chromium 6 compounds such as CrO 3 , Na 2 CrO 7 , K 2 CrO 4 , and (NH 4 ) 2 Cr 2 O 7 . And a method for producing a chromate coating having excellent appearance. 제4항에 있어서, PO4 3-공급원이 H3PO4, Na2HPO4, Na2HPO4등의 PO4 2-화합물로 부터 선택된 1종 또는 2종 이상인 것을 특징으로 하는 내식성 및 외관이 우수한 크로메이트 피막의 제조방법.The corrosion resistance and appearance of claim 4, wherein the PO 4 3- source is one or two or more selected from PO 4 2- compounds such as H 3 PO 4 , Na 2 HPO 4 , Na 2 HPO 4 , and the like. Excellent method for producing chromate coatings. 제4항에서 제6중의 어느 한항에 있어서, 환원제가 포르말린인 것을 특징으로 하는 내식성 및 외관이 우수한 크로메이트 피막의 제조방법.The method for producing a chromate coating having excellent corrosion resistance and appearance according to any one of claims 4 to 6, wherein the reducing agent is formalin. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920026486A 1992-12-30 1992-12-30 Method for coating a chromate with an excellent corrosion resistance and visual apparatus KR950006280B1 (en)

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KR1019920026486A KR950006280B1 (en) 1992-12-30 1992-12-30 Method for coating a chromate with an excellent corrosion resistance and visual apparatus

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KR1019920026486A KR950006280B1 (en) 1992-12-30 1992-12-30 Method for coating a chromate with an excellent corrosion resistance and visual apparatus

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KR940014899A true KR940014899A (en) 1994-07-19
KR950006280B1 KR950006280B1 (en) 1995-06-13

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100370472B1 (en) * 1998-12-02 2003-04-10 주식회사 포스코 Cr Solution for Coating Steel Sheets
CN115627467A (en) * 2022-10-18 2023-01-20 航天科工(长沙)新材料研究院有限公司 Magnesium-lithium alloy surface treatment method and chemical oxidation solution

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2492280C1 (en) * 2012-01-30 2013-09-10 Закрытое акционерное общество "ФК" Chromate treatment composition

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100370472B1 (en) * 1998-12-02 2003-04-10 주식회사 포스코 Cr Solution for Coating Steel Sheets
CN115627467A (en) * 2022-10-18 2023-01-20 航天科工(长沙)新材料研究院有限公司 Magnesium-lithium alloy surface treatment method and chemical oxidation solution

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