KR980002298A - 용융아연도금 칼라강판 및 그의 제조방법 - Google Patents

용융아연도금 칼라강판 및 그의 제조방법 Download PDF

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KR980002298A
KR980002298A KR1019960019652A KR19960019652A KR980002298A KR 980002298 A KR980002298 A KR 980002298A KR 1019960019652 A KR1019960019652 A KR 1019960019652A KR 19960019652 A KR19960019652 A KR 19960019652A KR 980002298 A KR980002298 A KR 980002298A
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layer
steel sheet
chromate
coated
coating
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KR1019960019652A
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KR0180864B1 (ko
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전성수
김성식
박상훈
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이철우
연합철강공업 주식회사
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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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
    • C23C28/322—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer only coatings of metal elements only
    • C23C28/3225—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer only coatings of metal elements only with at least one zinc-based layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/09—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/06—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with a blast of gas or vapour
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
    • 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
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/06—Zinc or cadmium or alloys based thereon
    • 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
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
    • C23C2/16—Removing excess of molten coatings; Controlling or regulating the coating thickness using fluids under pressure, e.g. air knives
    • C23C2/18—Removing excess of molten coatings from elongated material
    • C23C2/20—Strips; Plates
    • 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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • 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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
    • C23C28/345—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one oxide layer

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Coating With Molten Metal (AREA)

Abstract

본 발명은 0.12∼0.18중량% A1, 99.88∼99.82중량% Zn을 함유하는 합금도금을 피복한 도금강판에 외관에 입체감을 부여하여 기존 제품의 단조로움을 탈피하고 일반 PCM 도장강판보다 가공성 및 내식성을 향상시킨 새로운 감각의 도장강판에 관한 것으로, 그의 주요구성을 소지강판(1)과 그 위에 도금하는 18∼23㎛의 0.12∼0.18중량% A1, 99.88∼99.82중량% Zn 합금도금층(2)과, 합금도금층(2) 위에 크롬산염 처리를 한 크롬산염층(3)와, 크롬산염층(3)상에 형성시킨 플렉서블폴리에스테르 도막층(4,5)으로 이루어지는 용융아연도금강판이다. 또한 본 발명의 제조 방법은 0.12∼0.18중량% A1, 99.88∼99.82중량% Zn로 이루어지는 455∼465℃의 합금 응용도금 욕조내에 강판을 통과시켜 에어와이핑법에 의해 도금 피복량을 조절하여 도금처리하는 공정과 롤코팅방법을 사용하여 얇은 박막으로 도포한 60∼140℃온도 조건에서 건조시켜 20∼80㎎/의 크롬산염층(3)으로 형성시키는 크롬산염처리 공정과 그리고 플레서블폴리에스테르 도료를 롤코팅한 후 210∼241℃로 가열하여 건조시킨 플렉서블 도막층(프라이마 및 상도 2층) (4,5)의 도장 공정과, 엠보스롤로서 최종 압하처리되어 무늬가 형성되는 압하공정으로 이루어지는 것을 특징으로 한다.

Description

용융아연도금 칼라강판 및 그의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 용융아연도금 칼라강판의 피복상태를 도시하는 피복층 환대 단면도.

Claims (4)

  1. 소지강판(1)과 그 위에 도금하는 0.12∼0.18중량% A1, 99.88∼99.82중량% Zn의 18∼23㎛ 두께의 합금도금층(2)과, 합금도금층(2) 위에 크롬산염 처리를 한 크롬산염층(3)와, 크롬산염층(3)상에 형성시킨 플렉서블폴리에스테르 도막층으로 이루어지는 용융아연 도금칼라강판.
  2. 제1항에 있어서, 크롬산염층(3)은 20∼80㎎/㎡로 도포하며, 플레서블폴리에스테르 도막층은 폴리에스테르/우레탄 수지를 포함하는 3∼7㎛ 두께의 프라이마층(4)과, 18∼22㎛ 두께의 상도층(5)을 이루는 2층구조로 이루어지는 것을 특징으로 하는 용융아연도금 칼라강판.
  3. 0.12∼0.18중량% A1, 99.88∼99.82중량% Zn로 이루어지는 455∼465℃의 합금용융도금욕조내에 강판을 통과시켜 에어와이핑 법에 의해 도금 피복량을 조절하여 도금처리하는 공정과, 롤코팅방법을 사용하여 얇은 박막으로 도포한 후 60∼140℃ 온도조건에서 건조시켜 20∼80㎎/㎡의 크롬산염층(3)을 형성시키는 크롬산염처리 공정과, 그리고 플레서블 폴리에스테르 도료를 롤코팅한후 210∼241℃로 가열, 건조시켜 프라이머 및 상도 2층의 플레서블 폴리에스테르 도막층을 형성시키는 공정으로 이루어지는 것을 특징으로 하는 용융아연도금 칼라강판의 제조방법.
  4. 제3항에 있어서, 상기한 공정으로 이루어진 강판을 엠보스롤로서 압하처리하는 공정을 더 포함시킨 것을 특징으로 하는 용융아연도금 칼라강판의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960019652A 1996-06-03 1996-06-03 용융아연도금 칼라강판 및 그의 제조방법 KR0180864B1 (ko)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100395098B1 (ko) * 1996-12-05 2003-11-20 주식회사 포스코 스틸칼라도장강판을이용한방음벽외판용강판의제조방법
KR100503164B1 (ko) * 2002-09-19 2005-07-21 유니온스틸 주식회사 고내후성 칼라강판 및 그의 제조방법

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100342913B1 (ko) * 2000-07-04 2002-07-02 조재철 칼라강판 및 그 제조방법

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100395098B1 (ko) * 1996-12-05 2003-11-20 주식회사 포스코 스틸칼라도장강판을이용한방음벽외판용강판의제조방법
KR100503164B1 (ko) * 2002-09-19 2005-07-21 유니온스틸 주식회사 고내후성 칼라강판 및 그의 제조방법

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