KR930019848A - 내후성 박편 지붕재료 및 제조방법 - Google Patents

내후성 박편 지붕재료 및 제조방법

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Publication number
KR930019848A
KR930019848A KR1019920004921A KR920004921A KR930019848A KR 930019848 A KR930019848 A KR 930019848A KR 1019920004921 A KR1019920004921 A KR 1019920004921A KR 920004921 A KR920004921 A KR 920004921A KR 930019848 A KR930019848 A KR 930019848A
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KR
South Korea
Prior art keywords
stainless steel
roofing material
tin
coating
weatherable
Prior art date
Application number
KR1019920004921A
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English (en)
Inventor
2세 제이 에프. 캐러이
자맨자데흐 메흐루즈
Original Assignee
존 알. 코렌
더 루이스 버크만 컴패니
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Filing date
Publication date
Application filed by 존 알. 코렌, 더 루이스 버크만 컴패니 filed Critical 존 알. 코렌
Priority claimed from US07/858,662 external-priority patent/US5314758A/en
Publication of KR930019848A publication Critical patent/KR930019848A/ko

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Classifications

    • 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
    • C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
    • C23C2/36—Elongated material
    • C23C2/40—Plates; Strips
    • 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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/44—Compositions for etching metallic material from a metallic material substrate of different composition
    • 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
    • C23C2/003—Apparatus
    • C23C2/0034—Details related to elements immersed in bath
    • C23C2/00342—Moving elements, e.g. pumps or mixers
    • C23C2/00344—Means for moving substrates, e.g. immersed rollers or immersed bearings
    • 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
    • C23C2/003—Apparatus
    • C23C2/0035—Means for continuously moving substrate through, into or out of the bath
    • 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
    • C23C2/003—Apparatus
    • C23C2/0038—Apparatus characterised by the pre-treatment chambers located immediately upstream of the bath or occurring locally before the dipping process
    • 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
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • 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
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/024—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by cleaning or etching
    • 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
    • C23C2/08—Tin 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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/10—Etching compositions
    • C23F1/14—Aqueous compositions
    • C23F1/16—Acidic compositions
    • C23F1/30—Acidic compositions for etching other metallic material
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/34—Pretreatment of metallic surfaces to be electroplated
    • C25D5/36—Pretreatment of metallic surfaces to be electroplated of iron or steel
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/48—After-treatment of electroplated surfaces
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00—Electroplating characterised by the article coated
    • C25D7/06—Wires; Strips; Foils
    • C25D7/0614—Strips or foils
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9335—Product by special process
    • Y10S428/939—Molten or fused coating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12556—Organic component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12708—Sn-base component
    • Y10T428/12722—Next to Group VIII metal-base component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12951—Fe-base component
    • Y10T428/12972—Containing 0.01-1.7% carbon [i.e., steel]
    • Y10T428/12979—Containing more than 10% nonferrous elements [e.g., high alloy, stainless]

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Coating With Molten Metal (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Abstract

본 발명은 용융주석 도금 코팅을 하기전에 침식성 산세척 공정 및/또는 화학적인 활성화 공정에 의해 예비처리 된 스테인레스강 박편을 포함하는 개선된 방식성질을 갖는 내후성 박편 지분대료에 관한 것이다. 스테인레스강 박편의 예비처리는 주식 코팅물이 벗겨지는 것을 감소시킨 주석 코팅과 스테인레스강 사이의 결합을 뛰어나게 한다.

Description

내후성 박편 지붕재료 및 제조방법.
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 용융 주석 도금되는 스테인레스 강의 전체 공정을 나타낸 단면도.
제1a도는 본 발명의 용융 주석 도금된 스테인레스 강을 냉각시키는 선택적인 실시예의 단면도.
제2도는 금속 스프레이 분출구들이 스테인레스 강 박편의 용융 주석도금시에 사용되는 선택적인 실시예의 단면도.
제3도는 냉각수를 스프레이하는 분출구들을 사용하여 용융 주석 도금된 스테인레스 강을 냉각시키는 양호한 실시예를 나타낸 개략적인 측면도.

Claims (30)

  1. 약 0.050in 이하의 두께를 갖고, 정부와 바닥부 및 이격된 가장자리부로된 노출된 표면을 가지며, 상기 노출된 표면을 침식성 산세척을 한 후에 상기 노출된 표면에 0.0003~0.05in의 범위의 두께로 피복된 용융 도금된 주석 코팅을 갖는 스테인레스강 박편으로 이루어진 내후성 박편 지붕 재료.
  2. 제1항에 있어서, 상기 스테인레스강의 노출된 표면이 상기 침식성 산세척전에 준비되는 것을 특징으로 하는 내후성 박편 지붕 재료.
  3. 제2항에 있어서, 상기 노출된 표면의 준비가 상기 스테인레스강 표면과 연마제 재료 사이의 상호 작용을 포함하는 것을 특징으로 하는 내후성 박편 지붕 재료.
  4. 제2항에 있어서, 상기 스테인레스강은 코팅되기전에 불활성 분위기에 노출되는 것을 특징으로 하는 내후성 박편 지붕 재료.
  5. 제1항에 있어서, 상기 침식성 산세척이 상기 스테인레스 강을 활성산용액으로 처리하는 것과, 상기 산처리 후에 상기 스테인레스강과 산소의 접축을 최소화하면서 스테인레스강을 탈산제로 행구는 것을 포함하는 것을 특징으로 하는 내후성 박편 지붕 재료.
  6. 제5항에 있어서, 상기 산 용액이 염산과 질산의 혼합체로 이루어지는 것을 특징으로하는 내후성 박편 지붕 재료.
  7. 제1항에 있어서, 상기 지붕재료가 상기 주석 코팅전에 화학적으로 활성화 되는 것을 특징으로 하는 내후성 박편 지붕 재료.
  8. 제7항에 있어서, 상기 화학적으로 활성화가 상기 침식성 산세척후에 스테인레스강을 염화아연으로 처리하는 것을 포함하는 것을 특징으로 하는 내후성 박편 지붕재료.
  9. 제1항에 있어서, 상기 스테인레스강이 주석 도금전에 예비 주석 도금용 플럭스로 처리되는 것을 특징으로 하는 내후성 박편 지붕 재료.
  10. 제9항에 있어서, 상기 예비 주석 도금용 플럭스가 염화아연과 염화암모늄을 포함하는 것을 특징으로 하는 내후성 박편 지붕 재료.
  11. 제1항에 있어서, 상기 용융도금된 스테인레스강은 상기 주석 코팅내에서의 주석이 적절한 입자크기를 갖도록 냉각되는 것을 특징으로 하는 내후성 박편 지붕 재료.
  12. 제1항에 있어서, 상기 주석 코팅의 두께가 적어도 한세트의 코팅 로울러들에 의해 조절되는 것을 특징으로 하는 내후성 박편 지붕 재료.
  13. 제1항에 있어서, 적어도 하나의 금속 스프레이 분사기가 상기 스테인레스강 위에 주석을 코팅하기 위해 사용되는 것을 특징으로하는 내후성 박편 지붕 재료.
  14. 제1항에 있어서, 상기 주석 코팅이 약 0.10중량% 이하의 납과 적어도 90중량% 이상의 주석을 포함하는 것을 특징으로 하는 내후성 박편 지붕 재료.
  15. 제14항에 있어서, 상기 주석 코팅이 중량%로 주석 90-99.9%, 납 0.01-0.10%, 비스무스 0.0-1.7%, 안티몬 0.0-7.5%, 아연 0.00-1.5%, 철 0.00-0.1%, 구리 0.00-2.7%를 포함하는 것을 특징으로 하는 내후성 박편 지붕 재료.
  16. 제1항에 있어서, 상기 코팅된 스테인레스강이 내후성 재료로 처리되는 것을 특징으로 하는 내수성 박편 지붕 재료.
  17. 약0.200in 이하의 두께를 갖는 스테인레스강 박편을 침식성 산세척하는 단계와; 주석 코팅이 0.0003-0.05in의 번위의 두께를 갖도록 상기 스테인레스강 박편을 용융주석으로 용융도금하는 단계 및; 상기 스테인레스강이 주석 코팅될때까지 상기 스테인레스강과 산소의 접촉을 최소화하는 단계를 포함하는 것을 특징으로 하는 용융주석 도금된 스테인레스강제의 내후성 지붕 재료의 제조방법.
  18. 제17항에 있어서, 상기 산세척 단계후와 상기 코팅단계전에 상기 스테인레스강의 외부표면을 화학적으로 활성화시키는 단계를 추가로 포함하는 것을 특징으로 하는 내후성 지붕 재료의 제조방법.
  19. 제17항에 있어서, 상기 침식성 산세척 전에 상기 스테인레스강 표면을 준비하는 단계를 포함하는 것을 특징으로 하는 내후성 지붕 재료의 제조방법.
  20. 제19항에 있어서, 상기 표면의 준비과정이 상기 스테인레스강 표면과 연마제 재료 사이의 상호 작용을 포함하는 것을 특징으로 하는 내후성 지붕 재료의 제조방법.
  21. 제20항에 있어서, 상기 스테인레스강 표면을 불활성 분위기에 노출시키는 단계를 포함하는 것을 특징으로 하는 내후성 지붕 재료의 제조방법.
  22. 제17항에 있어서, 상기 침식성 산세척이 상기 스테인레스강을 활성산 용액으로 처리하는 것과, 상기 산처리 후에 상기 스테인레스강을 액체로 헹구는 것을 포함하는 것을 특징으로 하는 내후성 지붕 재료의 제조방법.
  23. 제22항에 있어서, 상기 산용액이 염산과 질산의 혼합체를 포함하는 것을 특징으로 하는 내후성 지붕 재료의 제조방법.
  24. 제22항에 있어서, 주석 도금전에 상기 스테인레스강을 예비 플럭싱하는 단계를 포함하는 것을 특징으로 하는 내후성 지붕 재료의 제조방법.
  25. 제19항에 있어서, 상기 주석 코팅의 두께가 적어도 한세트의 코팅 로울러 들에 의해 유지되는 것을 특징으로 하는 내후성 지붕 재료.
  26. 제19항에 있어서, 상기 스테인레스강 표면을 적어도 하나의 금속스프레이 분사기로 코팅하는 단계를 포함하는 것을 특징으로 하는 내후성 지붕 재료.
  27. 제17항에 있어서, 상기 주석 코팅내의 주석이 적절한 입자크기를 갖도록 상기 용융도금된 스테인레스강을 급속히 냉각시키는 단계를 포함하는 것을 특징으로 하는 내후성 지붕 재료.
  28. 제17항에 있어서, 상기 주석 코팅이 0.10중량% 이하의 납과 적어도 90중량% 이상의 주석을 포함하는 것을 특징으로 하는 내후성 지붕 재료.
  29. 제28항에 있어서, 상기 주석 코팅이 중량%로, 주석 90-99.9%, 납 0.01-0.10%, 비스무스 0.0-1.7%, 안티몬 0.0-7.5%, 아연 0.00-1.5%, 철 0.00-0.1%, 구리 0.00-2.7%는 포함하는 것을 특징으로 하는 내후성 지붕재료.
  30. 제17항에 있어서, 상기 코팅된 스테인레스강을 내후성 재료로 처리하는 단계를 포함하는 것을 특징으로 하는 내후성 지붕 재료의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920004921A 1992-01-04 1992-03-27 내후성 박편 지붕재료 및 제조방법 KR930019848A (ko)

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US8/000,101 1992-01-04
US07/858,662 US5314758A (en) 1992-03-27 1992-03-27 Hot dip terne coated roofing material
US7/858,662 1992-03-27
US10193A 1993-01-04 1993-01-04

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US5395702A (en) 1995-03-07
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