KR970043290A - 강판에 적용시 우수한 표면외관,내식성 및 도장성을 나타내는 도포형 크로메이트 용액 및 이를 이용한 크로메이트 피막형성 방법 - Google Patents

강판에 적용시 우수한 표면외관,내식성 및 도장성을 나타내는 도포형 크로메이트 용액 및 이를 이용한 크로메이트 피막형성 방법 Download PDF

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KR970043290A
KR970043290A KR1019950068477A KR19950068477A KR970043290A KR 970043290 A KR970043290 A KR 970043290A KR 1019950068477 A KR1019950068477 A KR 1019950068477A KR 19950068477 A KR19950068477 A KR 19950068477A KR 970043290 A KR970043290 A KR 970043290A
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South Korea
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chromate
chromate solution
steel sheet
component
sif
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KR1019950068477A
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KR100244662B1 (ko
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정용균
박찬섭
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김종진
포항종합제철 주식회사
신창식
재단법인 산업과학기술연구소
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Priority to KR1019950068477A priority Critical patent/KR100244662B1/ko
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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
    • 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
    • C23C22/26—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 organic compounds
    • C23C22/28—Macromolecular compounds

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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 강판표면에 적용시 우수한 표면외관성, 내식성 및 도장성을 나타내는 도포형 크로메이트 용액 및 이를 강판표면에 적용하는 방법에 관한 것으로, 본 발명에 의한 크로메이트 용액은 크롬환원비가 0.3-0.7인, 크롬성분10-60g/1, 인산(PO43-)성분 5-50g/1: 불소(F-)성분 1-8g/1: 지르코늄성분 1-5g/1, 실리카 3-25g/1, 계면활성제 0.05-2중량% 및 실란커플링제 0.05-2.5중량%로 조성되며, 상기 본 발명의 크로메이트 용액을 아연도금강판에 도포한 후 강판 온도 120-200℃로 소부하여 강판표면에 처리하는 방법이 제공된다.

Description

강판에 적용시 우수한 표면외관, 내식성 및 도장성을 나타내는 도포형 크로메이트 용액 및 이를 이용한 크로메이트 피막형성 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 계면활성제의 함량에 따른 표면 장력변화를 나타내는 그래프이다.

Claims (2)

  1. 총 크롬성분에 대한 3가 크롬성분비(크롬환원비)가 0.3-0.7이며, 무수크롬산,크롬산나트륨 혹은 크롬산암모늄으로 된 크롬성분 10-60g/1, 하나 또는 2이상의 오르소인산, 인산제일나트륨 및 인산제이나트륨으로 부터 선택된 인산화합물에 의한 인산(PO43-)성분 5-50g/1: 하나 또는 그 이상의 불산, 소디움 헥사 플루오로 실리케이트(Na2SiF6), 알루미늄 헥사 플루오로 실리케이트(Al2(SiF6)3),플루오로실리실산(H2SiF6) 및 포타슘헥사플루오로 실리케이트(K2SiF6)로 부터 선택된 불소화합물에 의한 불소성분 1-8g/1; 지르코늄 플로라이드(ZrF6) 및 포타슘헥사플루오로지르코네이트(K2ZrF6) 지르코늄 화합물에 의한 지르코늄성분 1-5g/1; 실리콘옥사이드 3-25g/1; 크로메이트 용액의 총 중량을 기준으로 나프탈렌 슬폰산 포르말린 축합물, 알코올 포스페이트 에스테르,폴리옥시에틸렌 노닐페닐 에스테르 및 폴리옥시에틸렌 옥틸페닐 에스테르로 부터 선택된 계면활성제 0.05-2중량%; 및 크로메이트 용액의 총 중량을 기준으로 r-글리시올시 프로필 트리메톡시실란, r-메타크릴옥시 프로필 트리메톡시실란, 및 r-글리실옥시 프로필 메틸 디메톡시실란으로 부터 선택된 실란커플링제 0.05-2.5중량%; 으로 크로메이트 용액
  2. 상기 청구범위 1항의 크로메이트 용액을 아연도금강판에 도포한 후 120-200℃ 강판온도로 소부하는 강판 표면에 대한 크로메이트 용액 처리방법.
KR1019950068477A 1995-12-30 1995-12-30 강판에 적용시 우수한 표면외관,내식성 및 도장성을 나타내는 도포형 크로메이트 용액 및 이를 이용한 크로메이트 피막형성 방법 KR100244662B1 (ko)

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KR1019950068477A KR100244662B1 (ko) 1995-12-30 1995-12-30 강판에 적용시 우수한 표면외관,내식성 및 도장성을 나타내는 도포형 크로메이트 용액 및 이를 이용한 크로메이트 피막형성 방법

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KR1019950068477A KR100244662B1 (ko) 1995-12-30 1995-12-30 강판에 적용시 우수한 표면외관,내식성 및 도장성을 나타내는 도포형 크로메이트 용액 및 이를 이용한 크로메이트 피막형성 방법

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KR970043290A true KR970043290A (ko) 1997-07-26
KR100244662B1 KR100244662B1 (ko) 2000-03-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100396084B1 (ko) * 1998-12-01 2003-08-27 주식회사 포스코 연료탱크용 표면처리강판 및 그 제조방법
KR100403466B1 (ko) * 1999-12-20 2003-11-01 주식회사 포스코 박막수지코팅강판 하지용으로 사용되는 도포형크로메이트용액

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960007775B1 (ko) * 1993-12-27 1996-06-12 김종진 크롬용출이 억제되는 크로메이트용액 및 이 용액을 이용한 크로메이트강판 제조방법

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100396084B1 (ko) * 1998-12-01 2003-08-27 주식회사 포스코 연료탱크용 표면처리강판 및 그 제조방법
KR100403466B1 (ko) * 1999-12-20 2003-11-01 주식회사 포스코 박막수지코팅강판 하지용으로 사용되는 도포형크로메이트용액

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