KR950018655A - Applicable chromate treatment solution with excellent processability - Google Patents

Applicable chromate treatment solution with excellent processability Download PDF

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Publication number
KR950018655A
KR950018655A KR1019930029656A KR930029656A KR950018655A KR 950018655 A KR950018655 A KR 950018655A KR 1019930029656 A KR1019930029656 A KR 1019930029656A KR 930029656 A KR930029656 A KR 930029656A KR 950018655 A KR950018655 A KR 950018655A
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KR
South Korea
Prior art keywords
treatment solution
chromate treatment
chromium
excellent processability
silane
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KR1019930029656A
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Korean (ko)
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KR960007773B1 (en
Inventor
김상헌
이규헌
Original Assignee
조말수
포항종합제철 주식회사
백덕현
재단법인산업과학기술연구소
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Priority to KR1019930029656A priority Critical patent/KR960007773B1/en
Publication of KR950018655A publication Critical patent/KR950018655A/en
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Publication of KR960007773B1 publication Critical patent/KR960007773B1/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
    • C23C22/30—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
    • 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
    • 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
    • C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
    • C23C2222/20—Use of solutions containing silanes

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

Abstract

본 발명은 강판의 내식성, 지문부착방지성, 표면외관, 전기전도성, 내수성 및 내알칼리성 등의 제반특성을 만족시키면서, 특히 가공성이 우수한 크로메이트 피막을 얻기위한 도포형 크로메이트 처리용액을 제공하고자 하는데, 그 목적이 있다.The present invention is to provide a coated chromate treatment solution for obtaining a chromate coating having excellent workability while satisfying various characteristics such as corrosion resistance, anti-fingerprint adhesion, surface appearance, electrical conductivity, water resistance and alkali resistance of the steel sheet. There is a purpose.

본 발명은 크로메이트 처리용액에 있어서, 총크롬이온 : 5-25g/ℓ, 상기 총크롬이온 대비 환원된 크롬 3가 이온비율 : 20-50%, 콜로이달 실리카 : 5-20g/ℓ, 비닐계 또는 아크릴계 에멀젼 수지 : 50-100g/ℓ, 실란커플링제 : 0.1-5g/ℓ및 잔부물로 조성되고, 초산, 인산 및 개미산중 선택된 1종 또는 2종이상이 첨가되어 용액의 pH가 2-4로 조절된 것을 특징으로 하는 가공성이 우수한 도포형 크로메이트 처리용액에 관한 것을 그 요지로 한다.The present invention is a chromate treatment solution, total chromium ion: 5-25g / ℓ, reduced chromium trivalent ion ratio to the total chromium ions: 20-50%, colloidal silica: 5-20g / ℓ, vinyl-based or It is composed of acrylic emulsion resin: 50-100 g / l, silane coupling agent: 0.1-5 g / l and the residue, and one or two or more selected from acetic acid, phosphoric acid, and formic acid are added so that the pH of the solution is 2-4. The point which concerns on the coating-type chromate treatment solution excellent in workability characterized by being adjusted.

Description

가공성이 우수한 도포형 크로메이트 처리용액Applicable chromate treatment solution with excellent processability

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

Claims (5)

크로메이트 처리용액에 있어서, 총크롬이온 : 5-25g/ℓ, 상기 총 크롬이온 대비 환원된 크롬 3가 이온비율 : 20-50%, 콜로이달 실리카 : 5-20g/ℓ, 비닐계 또는 아크릴계 에멀젼 수지 : 50-100g/ℓ, 실란커플링제 : 0.1-5g/ℓ및 잔부물로 조성되고, 초산, 인산 및 개미산중 선택된 1종 또는 2종이상이 첨가되어 용액의 pH가 2-4로 조절된 것을 특징으로 하는 가공성이 우수한 도포형 크로메이트 처리용액.In the chromate treatment solution, total chromium ion: 5-25 g / l, reduced chromium trivalent ion ratio to total chromium ions: 20-50%, colloidal silica: 5-20 g / l, vinyl or acrylic emulsion resin : 50-100g / l, silane coupling agent: 0.1-5g / l and the residue, and the one or two or more selected from acetic acid, phosphoric acid and formic acid is added to adjust the pH of the solution to 2-4 Coating type chromate treatment solution excellent in workability. 제1항에 있어서, 상기 총 크롬이온의 1-20중량%는 크롬산 스트론티움, 크롬산칼슘, 크롬산아연 및 크롬산바륨의 난용성 크롬화합물 중 선택된 1종 또는 2종이상으로 첨가되고, 나머지는 크롬산, 중크롬산 나트륨, 중크롬산칼륨, 중크롬산암모늄의 수용성크롬화합물 중 선택된 1종 또는 2종 이상이 첨가되어 조성되는 것을 특징으로 하는 가공성이 우수한 도포형 크로메이트 처리용액.According to claim 1, wherein 1-20% by weight of the total chromium ion is added to one or two or more selected from poorly soluble chromium compounds of strontium chromium, calcium chromium, zinc chromate and barium chromium, and the rest A coating type chromate treatment solution having excellent processability, characterized in that one or two or more selected from water-soluble chromium compounds of sodium dichromate, potassium dichromate, and ammonium dichromate are added and formed. 제1항에 있어서, 상기 콜로이달 실리카는 입자크기가 0.001-0.003㎛인 것을 특징으로 하는 가공성이 우수한 도포형 크로메이트 처리용액.The coated chromate treatment solution having excellent processability according to claim 1, wherein the colloidal silica has a particle size of 0.001-0.003 µm. 제1항에 있어서, 상기 비닐계 또는 아크릴계 에멀젼수지는 입자크기가 0.1-0.3㎛인 것을 특징으로 하는 가공성이 우수한 도포형 크로메이트 처리용액.The coated chromate treatment solution having excellent processability according to claim 1, wherein the vinyl or acrylic emulsion resin has a particle size of 0.1-0.3 µm. 제1항에서 제4항중 어느 한 항에 있어서, 상기 실란커플링제는 비닐실란계, 아크릴실란계, 에폭시실란계 및 아미노실란계중 선택된 1종인 것을 특징으로 하는 가공성이 우수한 도포형 크로메이트 처리용액.The coated chromate treatment solution having excellent processability according to any one of claims 1 to 4, wherein the silane coupling agent is one selected from vinyl silane, acryl silane, epoxy silane, and amino silane. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930029656A 1993-12-24 1993-12-24 Solution for treating a covered chromate with an excellent workability KR960007773B1 (en)

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Application Number Priority Date Filing Date Title
KR1019930029656A KR960007773B1 (en) 1993-12-24 1993-12-24 Solution for treating a covered chromate with an excellent workability

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Application Number Priority Date Filing Date Title
KR1019930029656A KR960007773B1 (en) 1993-12-24 1993-12-24 Solution for treating a covered chromate with an excellent workability

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KR950018655A true KR950018655A (en) 1995-07-22
KR960007773B1 KR960007773B1 (en) 1996-06-12

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JP5198727B2 (en) 2005-10-07 2013-05-15 ディップソール株式会社 Treatment solution for forming black hexavalent chromium-free conversion coating on zinc or zinc alloy

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