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WO2001004380A1 - Tole en acier pour contenant feuillete et procede de fabrication de boite l'utilisant et boite associee - Google Patents

Tole en acier pour contenant feuillete et procede de fabrication de boite l'utilisant et boite associee Download PDF

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Publication number
WO2001004380A1
WO2001004380A1 PCT/JP2000/004556 JP0004556W WO0104380A1 WO 2001004380 A1 WO2001004380 A1 WO 2001004380A1 JP 0004556 W JP0004556 W JP 0004556W WO 0104380 A1 WO0104380 A1 WO 0104380A1
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WO
WIPO (PCT)
Prior art keywords
steel sheet
layer
coating
metal
compound
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2000/004556
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English (en)
Japanese (ja)
Inventor
Shigeru Hirano
Hirokazu Yokoya
Kazushige Hasegawa
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Nippon Steel Corp
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Nippon Steel Corp
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Filing date
Publication date
Priority claimed from JP19405299A external-priority patent/JP3742533B2/ja
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to EP00944342A priority Critical patent/EP1134305A4/fr
Publication of WO2001004380A1 publication Critical patent/WO2001004380A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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
    • C23C28/321—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer with at least one metal alloy layer
    • 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

Definitions

  • Description Steel plate for laminated container, method for manufacturing can using it, and can
  • the present invention provides, as a material for can manufacturing, a steel plate for a laminate container which is particularly excellent in drawing and ironing, weldability, corrosion resistance, and film adhesion, and a method for manufacturing a can using the same. And the resulting cans.
  • Background art
  • Metal containers used for beverages and food are roughly classified into two-piece and three-piece cans.
  • Two-piece cans such as DI cans, are drawn and ironed and then painted on the inner surface of the can and painted and printed on the outer surface of the can.
  • the surface corresponding to the inner surface of the can is painted, the surface corresponding to the outer surface of the can is printed, and then the body of the can is welded.
  • the coating process is indispensable for all types of cans before and after can making. Solvent-based or water-based paint is used for painting, and baking is performed afterwards. In this painting process, waste (waste solvent, etc.) derived from paint is discharged as industrial waste, and exhaust gas is emitted. (Mainly carbon dioxide) is released into the atmosphere. In recent years, efforts have been made to reduce these industrial wastes and exhaust gases for the purpose of preserving the global environment. Among them, the technology of laminating films as an alternative to painting has attracted attention and has spread rapidly.
  • a chromate film that has been subjected to electrolytic chromate treatment is used for the steel sheet used as the base of the film of the laminating can.
  • the chromate coating has a two-layer structure, and a hydrated oxidized Cr layer exists above the metallic Cr layer. Therefore, the laminate film (adhesive layer in the case of a film with an adhesive) secures adhesion to the steel sheet through the hydrated oxidized Cr layer of the chromatized film.
  • the mechanism of this adhesion development is not known in detail, but it is a hydrogen bond between the hydroxyl group of the hydrated oxidized Cr and a functional group such as a carbonyl group or an ester group of the laminate film. It is said that.
  • the above-mentioned invention certainly has the effect of greatly advancing the preservation of the global environment, on the other hand, in the beverage container market in recent years, the cost of materials such as PET bottles, bottles, and paper has been increasing. And competition for quality are intensifying, and even with the above-mentioned steel sheets for laminated containers, better can-making processability than before, especially film adhesion, processed film adhesion, and corrosion resistance , Weldability, etc. have been required.
  • the present inventors have conducted intensive studies on a film using an inorganic substance or an organic resin as a new film instead of a chromate film, and as a result, a film using an inorganic substance or an organic resin was applied on the film.
  • the present invention was found to form a very strong covalent bond with the laminating film to be obtained, and to obtain excellent can-making processability superior to conventional chromatized coatings, and led to the present invention. is there.
  • the present invention provides the following.
  • At least one surface of the steel sheet has a surface treatment layer containing at least one of Sn, Ni, Fe, Cr, and hydrated Cr oxide, and a coating made of organic resin or inorganic organic resin Characterized by having a thickness of 1 to 500 nm.
  • a steel sheet one surface to small, Sn, Ni, Fe, Cr, having a surface treatment layer containing one or more hydrated oxide Cr, thereon, and the P 0.1 mg / m 2 or more on of-phosphate-based compound, La characterized and. 1 to 500 nm giving the child a coating made of an organic resin containing one or more of the Si 0.1 mg / m 2 or more organic Gay containing compounds Mi Ne Sheet steel for containers.
  • At least one surface of the steel sheet has a surface treatment layer containing at least one of Sn, Ni, Fe, Cr, and hydrated Cr oxide, and P is O. lmg nom 2 or more.
  • one surface has Sn, Ni, Fe, Cr, a surface treatment layer containing one or more hydrated oxides, thereon, a metal of 0.2 ⁇ 300 mg / m 2 Ti or comprise one or more of Zr or their compounds, further, of the P 0. lmg / m 2 or more-phosphate-based compound, 0. lmg / m 2 or more organic Gay-containing compound as a Si 1
  • a coating made of phenolic resin containing at least one or more species is applied in a thickness of 1 to 500 nm. steel sheet.
  • the surface treatment layer characterized in that it contains at least one of Sn, Ni, Fe, Cr and hydrated oxidized Cr, wherein Sn is 80 to 80%. 6000mg / / m 2, N i is 10 ⁇ 800 mg / m 2, Fe as a metal Ni is 10 ⁇ 800 mg / m 2, Cr and hydrated Cr oxide as the metallic Fe as the metal Cr La Mi Ne one sampling container steel plate, wherein the Dearuko 2 ⁇ 200 mg / m 2.
  • the present inventors have proposed that a steel-based plating layer, an island-shaped Sn-plated layer, and an upper layer of a chrome-based layer be provided on the steel sheet surface in order to achieve even higher weldability, film adhesion, and corrosion resistance.
  • a new film that replaces the gall film we have intensively studied a film that uses organic resin.
  • the coating using organic resin forms a very strong covalent bond with the laminating film applied on top of the coating, and exhibits excellent adhesion over conventional chromatographic coatings.
  • they have found that the presence of a chromate treatment layer can provide more excellent adhesion and corrosion resistance, and as a preferred embodiment of the present invention, have led to the invention of the second aspect.
  • the present invention provides the following in a second aspect.
  • a metal Ni content 5 - 500 mg / m 2 has a Ni-based plated layer has a Sn-based alloy layer, 100 ⁇ 1500 mg / it has a metal Sn plating layer m 2, having a coating layer composed of 1 to 500 nm of Funino Lumpur based resin containing as a P thereon 0. lmg / m 2 or more-phosphate compound
  • a steel plate for a laminate container characterized by the following.
  • Ni-based plated layer of 5 ⁇ 500 mg7m 2 of metal Ni amount having a Sn-based alloy layer, 100 ⁇ 1500mg / m 2
  • an island-shaped metal Sn plating layer of A steel sheet for a laminate container characterized by having a coating layer of a 1-500 nm phenolic resin containing lmg / m 2 or more of a phosphoric acid compound.
  • a metal Ni amount having a Ni-based plated layer of 5 to 500 mg / m 2, having a Sn-based alloy layer, 100 ⁇ 1500mgZm 2 has the island-like metallic Sn plating layer, thereon, a metal Cr content, 4 ⁇ 40g Zm 2 of grants chromate layer, further 0. 1 to 200 mg as a P thereon /
  • a steel sheet for a laminate container characterized in that it has a coating of 1 to 500 nm made of a phenolic resin containing m 2 of a phosphoric acid compound.
  • It includes 0. lmg / m 2 or more-phosphate compounds, further, 1 to 500 nm of the full node on containing one or more Ti or Zr or their compounds of 0.2 ⁇ 300 mg / m 2 by metal weight
  • a steel sheet for a laminate container characterized by having a coating layer made of a resin.
  • a metal Ni content 5 - 500 mg / m 2 of having a Ni-based plated layer has a Sn-based alloy layer, 100 ⁇ 1500mgZm subjecting an island-shaped metal Sn plating layer 2, thereon, a metal amount having a click Lome over coat layer of 4 ⁇ 40G Zm 2, as a P thereon 0 .1-200 mg / m include 2-phosphate-based compound, further having 1 to 500 nm a film consisting of full Nord resin containing one or more Ti, or Zr or a compound thereof of 0.2 ⁇ 300 mg / m 2 by metal weight
  • a steel sheet for laminated containers characterized by the following characteristics.
  • the steel plate for a laminated welded can described in the above (11) to (14), wherein the area ratio of the island-shaped Sn is 40 to 95%.
  • A can using a laminated steel sheet, characterized in that the steel sheet for a laminated container according to any one of (1) to (9) is made by a drawing or ironing process. Manufacturing method.
  • A can made of a laminated steel sheet, which is manufactured by drawing or ironing using the steel sheet for a laminated container according to any one of (1) to (9).
  • A can made of a laminated steel sheet having a welded portion, using the laminated steel sheet for a laminate container according to any one of (10) to (16).
  • Fig. 1 is a schematic sectional view of a steel sheet for a laminate container of the present invention.
  • FIG. 2 is a schematic cross-sectional view of another steel plate for a laminate container of the present invention
  • FIG. 3 is a schematic longitudinal sectional view of a laminate container of the present invention.
  • FIG. 4 is a schematic cross-sectional view of another steel plate for a laminate container of the present invention
  • FIG. 5 is a schematic cross-sectional view of still another steel plate for a laminate container of the present invention.
  • FIG. 6 is a schematic view of another laminate container of the present invention. BEST MODE FOR CARRYING OUT THE INVENTION (First aspect)
  • the original sheet used in the present invention is not particularly limited, and a steel sheet usually used as a container material is used.
  • the production method and material of the original sheet are not particularly limited, and the original sheet is produced through a normal billet production process through hot rolling, pickling, cold rolling and the like.
  • the first aspect of the present invention by providing a surface treatment layer containing Sn, Ni, Fe, Cr, and hydrated Cr to the original sheet, it is excellent in can workability, weldability, and corrosion resistance. Thus, a laminated container steel sheet having excellent film adhesion can be obtained.
  • the method of applying a surface treatment layer containing Sn, Ni, Fe, Cr, and hydrated Cr oxide to the original sheet is not particularly limited, and examples thereof include an electroplating method, a vacuum evaporation method, and a sputtering method. Any known technique may be used, and heat treatment for providing a diffusion layer may be combined.
  • Sn is 80 to 6000 mg / m 2 as metallic Sn
  • Ni is metallic Ni.
  • Fe is 10 ⁇ 800 mg / m 2
  • Cr and hydrated Cr oxide as a metal Fe is correct preferred is 2 ⁇ 200 mg / m 2 as a metal Cr Te
  • Sn exhibits excellent workability and weldability.
  • the Sn layer has very excellent characteristics. It is suitable because it can be given. This effect is particularly noticeable when the Sn layer is used alone. However, it is also effective when combined with other plating in consideration of other characteristics. It is desirable that 80 nigZm 2 or more of the metal Sn exhibit this effect. In order to ensure sufficient weldability, it is more desirable to provide ZOOmgZm 2 or more, and in order to ensure sufficient workability, it is more desirable to provide lOOOOmgZm 2 or more.
  • the amount of Sn attached is not more than 600 mg / m 2 as metal Sn.
  • Ni and Fe exert their effects on film adhesion, corrosion resistance, and weldability.
  • Ni or Fe of lOmgZm 2 or more as metal Ni or Fe must be adhered. Desirable.
  • the amount of Ni and Fe deposited increases, the excellent effects of Ni and Fe on improving film adhesion, corrosion resistance and weldability increase.
  • the amount exceeds 800 mg nom 2 the effect is saturated.
  • Ni, deposition amount of Fe is LOmgZm 2 or more as a metal Ni or Fe, arbitrary desired 800MgZm 2 or less.
  • Cr and hydrated oxidized Cr exhibiting excellent film adhesion and corrosion resistance are desirably 2 to 200 mg / m 2 as Cr metal. That is, when the amount of Cr and hydrated Cr oxide attached is less than 2 mg / m 2 as metallic Cr, the adhesion is insufficient. Therefore, it is desirable that the amount of Cr and hydrated Cr oxide be 2 mgZm 2 or more as Cr metal. As the amount of deposition of Cr and hydrated Cr oxide is increased, off I Lum adhesion, although the corrosion resistance improvement effect of increase, since it exceeds 2 OOmg / m 2 and weldability tend to deteriorate, and water It is desirable that the amount of oxidized Cr be 200 mgZm 2 or less as a metal.
  • Organic resin or inorganic single organic resin layer After providing a surface treatment layer containing at least one of Sn, Ni, Fe, Cr, and hydrated Cr oxide, the organic resin or the inorganic monoorganic resin as the essence of the present invention is provided.
  • a surface treatment layer containing at least one of Sn, Ni, Fe, Cr, and hydrated oxidized Cr steel sheets for laminated containers are more With excellent can processability, it can be particularly excellent in film adhesion, processed film adhesion and corrosion resistance.
  • the organic resin film provided in the present invention produces a covalent bond with a laminated film or an adhesive layer, and exhibits an effect of ensuring high adhesion.
  • resins that can achieve this effect include epoxy resins, phenolic resins, urethane resins, vinyl resins, ester resins, and styrene resins.
  • a phenolic resin is an example of a resin exhibiting performance.
  • the phenolic resin can be produced by a conventional method. For example, it is produced by polycondensing a phenolic compound, a naphthol compound or a bisphenol with formaldehyde.
  • the organic resin of the present invention exerts its effect even when mixed with various resins, but in order to exhibit the excellent properties of phenolic resin, the phenolic resin content should be 70% or more. It is desirable to do it.
  • the inorganic compound contained in this resin has an effect of greatly improving film adhesion and corrosion resistance.
  • the inorganic compound include a phosphoric acid compound, an organic gay compound, a sulfuric acid compound, a halogen compound, a chloric acid compound, a nitric acid compound, and the like.
  • a product that has an effect of improving corrosion resistance includes a phosphoric acid compound, an organic gay compound, a sulfuric acid compound, a halogen compound, a chloric acid compound, a nitric acid compound, and the like.
  • a phosphoric acid compound and an organic gay compound A phosphoric acid compound and an organic gay compound. Phosphoric acid compounds, organic gay compounds
  • Examples of the phosphoric acid-based compound having these improving effects include phosphoric acid or a salt thereof, condensed phosphoric acid or a salt thereof, zirconium phosphate, and titanium phosphate.
  • Examples of the salt include alkali metal salts such as ammonium salt, sodium salt and potassium salt.
  • organic gay compound examples include vinyl ethoxysilane, amino propyl triethoxy silane, melcapto propyl trimethoxy silane, melacryloxy propyl triethoxy silane, and ⁇ -methyl propyl triethoxy silane.
  • Monoglycidoxyprovir trimethoxysilane and the like examples include vinyl ethoxysilane, amino propyl triethoxy silane, melcapto propyl trimethoxy silane, melacryloxy propyl triethoxy silane, and ⁇ -methyl propyl triethoxy silane.
  • a phosphoric acid compound or an organic gay compound in the organic resin enables the film to exhibit high film adhesion and corrosion resistance. It is desirable that a phosphoric acid compound having a concentration of 0.1 mg / m 2 or more or an organic gay compound having a concentration of 0.1 mg Zm 2 or more as Si exists. However, if the content of a phosphoric acid compound or an organic gay compound in the resin is increased, it is disadvantageous economically, so that the content of the phosphoric acid compound or the organic gay compound in the resin is increased. Is preferably 200 mgZm 2 or less as P or Si.
  • the present invention by including Ti or Zr or one or more of these compounds in the inorganic-organic resin, more excellent film adhesion and corrosion resistance can be exhibited.
  • the effect of the present invention is not lost even if Ti and Zr combine with P or Si in the coating.
  • the content of Ti or Zr or a compound thereof contained in the inorganic organic resin is desirably 0.2 to 300 mg / m 2 as Ti or Zr. If the content of Ti or Zr is less than 0.2 nig Zm 2 , the effect of improving film adhesion and corrosion resistance is small, and if it exceeds 300 mg Zm 2 , it is economically disadvantageous.
  • the content of Ti or Zr or a compound thereof in the inorganic-organic resin is desirably 0.2 to 300 mg / m 2 as Ti or Zr.
  • the method for incorporating Ti or Zr or a compound thereof into an inorganic-organic resin is not particularly limited. This can be achieved by including a Ti compound or a Zr compound in the treatment solution described below, and immersing the steel sheet in the compound.
  • Ti salts are desirable for practical and performance reasons.
  • examples of the Ti salt include titanium phosphate, titanium hydrofluoric acid and salts thereof such as lithium, sodium, and ammonium, titanium sulfate, titanyl sulfate, and the like.
  • the Zr compound is not particularly limited, but a Zr salt is desirable from the viewpoint of practicality or performance.
  • a Zr salt is desirable from the viewpoint of practicality or performance.
  • the Zr salt include zirconium phosphate, zirconium hydrofluoric acid and salts thereof such as lithium, sodium and ammonium, zirconium sulfate, zirconyl sulfate and zirconyl nitrate.
  • the method for applying the inorganic-organic resin described above is not particularly limited.
  • the above-mentioned organic resin epoxy resin, phenol resin, urethane resin, vinyl resin, ester resin, styrene resin
  • the above-mentioned phosphoric acid compound, organic resin It can be obtained by immersing in a treatment solution in which a gayne compound, a Ti compound, or a Zr compound is mixed, squeezing with a ringer roll or the like, and drying.
  • the film for laminating is not particularly limited, and may be a known laminating film.
  • polyethylene, polycarbonate, polyester, and the like can be used.
  • the thickness of the film is not particularly limited. Generally, a film with a thickness in the range of 5 to 40 m is used.
  • the lamination method is also particularly limited. A method of heating and softening to laminate coating is suitable, but an adhesive may be used.
  • FIG. 1 and FIG. 2 schematically show the steel sheet for a laminated container of the present invention obtained as described above.
  • Fig. 1 shows an example of a laminated steel sheet having a Ni plating layer 2 formed on the surface of a steel sheet 1 and an organic resin layer 4 formed thereon.
  • Fig. 2 shows another example, in which a steel plating layer 2 is formed on the surface of a steel sheet 1, a chromate plating layer 3 is formed thereon, and an inorganic-organic resin layer 4 is formed thereon.
  • An example of a steel sheet for a laminated container formed with is shown below.
  • the number of plating layers is one and two in FIGS. 1 and 2, the number and combination of the plating layers are not particularly limited. However, it is strongly preferred to include Sn plating for particularly severe forming processes.
  • FIG. 3 shows an example of a can using the steel sheet for a laminated container of the present invention.
  • the laminated steel sheet container of the present invention can be applied to any of a two-piece can and a three-piece can, and is not limited to the example shown in FIG.
  • a laminating film 5 is laminated and coated on the surface treatment layer and the organic resin layer or the inorganic organic resin layers 2 to 4 of the steel sheet for a laminate container shown in FIG.
  • a bottomed can 6 is formed by deep drawing as shown in FIG.
  • the bottomed can 6 is subjected to net processing and flange processing as necessary, and a steel or A1 lid (not shown) is wound around to complete the sealed can.
  • the laminated film 5 of the present invention is on the inner surface 7 of the can.
  • a laminate film is also formed or painted on the outer surface of the can, but the constitution is not a problem in the present invention.
  • the adhesion of the laminated film to the steel sheet is not impaired, and it is also excellent in corrosion resistance and weldability, and can be used as a beverage can and stored for a long time.
  • the second aspect which is a preferred embodiment of the first aspect of the present invention, that is, a steel sheet for a laminate container having particularly excellent weldability will be described in detail.
  • the original plate used may be the same as that described above.
  • the base sheet is provided with a Ni-based plating layer, a Sn-based alloy layer, and a Sn-plated layer in order from the side closer to the steel sheet, preferably a chromate layer, and an organic resin layer thereon.
  • a layer or an inorganic-organic resin layer By providing a layer or an inorganic-organic resin layer, the second aspect of the present invention, a steel sheet for a laminated container, which is particularly excellent in weldability and excellent in film adhesion and corrosion resistance is provided.
  • Ni-based plating applied to the original sheet examples include Ni plating, Fe—Ni alloy plating, and ⁇ diffusion plating.
  • Ni plating and Fe—Ni alloy plating are known electric plating. It may be performed by the plating method.
  • Ni plating can be performed by performing a heat treatment at 600 to 1000 ° C. after Ni plating to provide a Ni diffusion layer. Further, even after the application of the Ni diffusion layer, temper rolling is performed without departing from the essence of the present invention.
  • the role of the Ni-based plating layer is to ensure the corrosion resistance of the steel sheet of the present invention by utilizing the excellent corrosion resistance of Ni metal itself. If the Ni plating amount is less than 5 mg / m 2 , the excellent corrosion resistance of the Ni metal itself will not be exhibited, so the Ni plating amount must be 5 mgZm 2 or more. Corrosion resistance when Ni plating increases However, if the amount of Ni plating exceeds 500 mg / m 2 , the effect of the improvement is saturated, which is economically disadvantageous. Therefore, Ni deposition amount is 5 MGZ m 2 or more, is regulated to 500 mg / m 2 or less.
  • Sn plating is applied to ensure weldability. Since Sn is a soft metal, when it is sandwiched between electrodes by seam welding, a mouth contact layer or a finole resin layer, which will be described later, is broken, and a good current-carrying area can be secured. Therefore, the steel sheet of the present invention ensures good welding (especially resistance welding).
  • the method of plating Sn may be a known method such as electroplating of Sn, and is not particularly limited.
  • the amount of Sn In order to exhibit excellent weldability, the amount of Sn must be 100 mg / m 2 or more. This is because if the Sn plating amount is less than 100 mg / m 2 , the high-speed weldability required for industrial production deteriorates, so the Sn plating amount is required to be 100 mgZm 2 or more. Weldability of the steel sheet of the present invention is improved with Sn plating amount increases, the Sn plating weight exceeds 1500MgZm 2, since the improving effect is saturated, more, Sn to plated is in economic unsaturated Profit. Therefore, Sn-plating amount is restricted to 100 ⁇ 1500mgZm 2.
  • a molten tin treatment is performed to provide a Sn-based alloy layer and an island-shaped Sn plated layer thereon.
  • the area ratio of the islanded Sn is regulated to 95% or less. If the Sn area ratio exceeds 95%, the Sn exposure becomes excessive and the film adhesion at high temperatures deteriorates. Therefore, the Sn area ratio must be 95% or less. If the area ratio of Sn is reduced, the effect of improving film adhesion at high temperatures increases, but if the area ratio of Sn is less than 40%, the excellent weldability of Sn metal deteriorates. Area ratio must be 40% or more.
  • the steel sheet coated with Sn may be heated to a temperature equal to or higher than the melting point of Sn by electric heating or induction heating.
  • the use of extremely low-concentration flux or water instead of the flux promotes island formation, so the flux concentration is controlled and the desired area ratio of island-like Sn Can be produced.
  • Configuration hydrated Cr oxide of click Lome over coat layer or a hydrated Cr oxide and the metal or Ranaru comprises the deposition amount as a metal, an oxide hydrate Cr 2 mgZm 2 or more at least, also, As the entire chromatographic layer, as metal
  • hydrated Cr oxide is indispensable to ensure excellent adhesion.
  • the adhesion amount of hydrated Cr oxide is 2 mg / m 2 or more for metallic Cr, and the effect of improving adhesion is exhibited.
  • a chromate layer of 4 mg / m 2 or more be present as a metal. This is because if the chromate layer is less than 4 mg / m 2 , excellent corrosion resistance of Cr will not be exhibited, and it will be difficult to secure sufficient corrosion resistance.
  • the chromate layer is an electrically insulating film, when the amount of metallic Cr exceeds 40 mg / m 2 , the weldability rapidly deteriorates. Therefore, the chromate layer is desirably 4 to 40 mg / m 2 as metallic Cr.
  • the method for providing the chromate layer is not particularly limited.
  • the electrolytic treatment or the immersion treatment may be performed in a Cr acid solution, a Cr acid monosulfuric acid solution, or a Cr acid-hydrofluoric acid solution. .
  • This layer may be the same as described above.
  • This may be a laminate film similar to that described above.
  • Figs. 4 and 5 schematically show examples of the steel sheet for a laminated container according to the second aspect of the present invention manufactured as described above.
  • 11 indicates a base steel sheet
  • 12 indicates a metal Ni-based plating layer
  • 13 indicates a Sn-based alloy layer
  • 15 indicates a metal Sn plating layer
  • 16 indicates an organic resin layer.
  • 11 is a base steel sheet
  • 12 is a Ni-based metal plating layer
  • 13 is a Sn-based alloy layer
  • 14 is an island-shaped metal Sn plating layer
  • 15 is a mouth mate layer
  • 16 is an inorganic-organic layer.
  • 3 shows a resin layer. After laminating film 17 is laminated and coated on these organic resin layers or inorganic mono-organic resin layers 16, cans are manufactured.
  • FIG. 6 an example of a can manufactured by welding using a steel plate for a laminate container as shown in FIG. 4 or FIG. 5 is shown.
  • the container according to the second aspect of the present invention is not limited to this.
  • the laminated film on the organic resin layer or inorganic organic resin layer of the laminated steel plate After laminating the laminated film on the organic resin layer or inorganic organic resin layer of the laminated steel plate by a known method, it is formed into a predetermined shape for a can. After the cutting process, the obtained laminated steel sheet for can 18 is formed into a cylindrical shape, and the edge 19 of the cylindrical portion is welded by a known welding process, preferably by resistance welding. In addition, the space between the thus-formed cylindrical can and the lid is usually sealed through a sealing window.
  • a surface treatment layer was provided on the steel sheet by using the following treatment methods (1) to (7).
  • the annealed and pressurized original plate is plated with Sn using a frost bath, and then electrolytically treated in a chromic acid / monosulfuric acid solution as necessary, and then Cr or hydrated Cr is oxidized.
  • a frost bath electrolytically treated in a chromic acid / monosulfuric acid solution as necessary, and then Cr or hydrated Cr is oxidized.
  • the annealed and pressure-regulated original plate is subjected to Ni plating using a hot water bath, and then electrolytically treated in a chromic acid monosulfuric acid solution as necessary, followed by Cr or hydrated oxidation Cr was added.
  • Ni plating is performed using a hot water bath to form a Ni diffusion layer during annealing, and then, if necessary, in a chromic acid monosulfuric acid solution. Solution treatment was performed or hydrated oxidation Cr was added.
  • the annealed and pressure-regulated original sheet is subjected to Fe plating using a sulfuric acid-hydrochloric acid bath, and then subjected to electrolytic treatment in chromic acid-monosulfuric acid solution or hydration if necessary. Oxidized Cr was applied.
  • the annealed and pressure-regulated original plate was subjected to electrolytic treatment in a chromate monosulfuric acid solution to give Cr or hydrated oxidized Cr.
  • the annealed and pressure-regulated base plate is coated with a Fe--Ni alloy using a sulfuric acid-hydrochloric acid bath, and then subjected to Sn plating using a ferrostan bath, followed by heat treatment to obtain Sn plating
  • the layer was partially alloyed, and then subjected to electrolytic treatment in a chromic acid / monosulfuric acid solution as needed to give Cr or hydrated Cr oxide.
  • the annealed and pressure-regulated original sheet is coated with Sn-Ni alloy using a sulfuric acid-hydrochloric acid bath, and then electrolytically treated or hydrated in a chromic acid-sulfuric acid solution if necessary. Cr oxide was applied.
  • the steel sheet was immersed in a treatment solution in which a vinyl resin, phosphoric acid, and, if necessary, titanium ammonium phosphate were dissolved, dried, and a coating made of an inorganic-organic resin was applied. .
  • the steel sheet is immersed in a treatment solution in which urethane resin, monopropyl triethoxysilane and, if necessary, zirconium sulfate are dissolved, and then dried.
  • a coating composed of an inorganic-organic resin was provided.
  • the above steel sheet is immersed in a treatment solution in which 85% phenol resin, 15% epoxy resin, sodium phosphate and, if necessary, titanium sulfate or zirconium sulfate are dissolved, dried, and made of inorganic-organic resin. A coating was applied.
  • the steel sheet was immersed in a treatment solution in which a phenol resin and titanium fluoride were dissolved, and then dried to form a coating made of an inorganic-organic resin.
  • the steel plate was immersed in a treatment solution in which 85% phenol resin and 15% epoxy resin were dissolved, and then dried to form a coating made of an organic resin.
  • Welding is performed using the wire seam weldability at a welding wire speed of 80 mZ min and the current is changed, and the minimum current value and dust and welding spatter that provide sufficient welding strength are obtained. Judging comprehensively from the appropriate current range consisting of the maximum current value at which welding defects begin to stand out, there are four levels ( ⁇ : very wide, ⁇ : good, ⁇ : poor, X: not weldable) The weldability was evaluated.
  • Normal butyl stearate is applied as a lubricant to the test piece, punched out at ⁇ 140 mm, and retorted at 125 ° C for 30 min on a test material that has been drawn and ironed at a drawing ratio of 2.1. Then, the film separation condition is evaluated in four stages ( ⁇ : no separation, ⁇ : very slight peeling that is practically acceptable, ⁇ : slight peeling, X: most peeling) did.
  • Normal butyl stearate is applied to the test material as a lubricant, punched out at ⁇ 140mm, squeezed and ironed at a squeezing ratio of 2.1, and a can is made.
  • Fill the test solution consisting of the mixed solution attach the lid, leave it in a constant temperature room at 55 ° C for 1 month, and evaluate the corrosion state of the inner surface of the can in 4 stages.
  • ⁇ No corrosion
  • ⁇ Practical problem
  • the evaluation was evaluated as follows: slight slight corrosion was observed, ⁇ : minute corrosion was observed, and X: severe corrosion was observed.
  • Table 1 shows the results. As shown in Table 1, it is clear that the laminated container steel sheet manufactured by this patent and having excellent workability in lamination has excellent formability, weldability, film adhesion, and corrosion resistance. is there.
  • the annealed and pressurized base plate is electroplated with Fe-Ni alloy, and Sn is plated using a Plostan bath, resulting in low-concentration flux. Then, heat treatment was carried out to produce island-shaped Sn, and then, if necessary, electrolytic treatment was carried out in a chromic acid monosulfuric acid solution to give a chromate layer.
  • Ni plating is applied by electroplating, annealing, pressure regulation, Sn plating using a halogen bath, and heat treatment to produce island-shaped Sn, and then, if necessary. Electrolytic treatment was performed in a chromate-monosulfuric acid solution to give a chromate layer.
  • the steel sheet was immersed in a treatment solution in which a phenolic resin, phosphoric acid, and, if necessary, titanium ammonium phosphate were dissolved, and then dried to give a phenolic resin.
  • test material is filled with a crosscut that reaches the depth of the steel, heated rapidly to 250 ° C, and air at 5 atm is blown into the center of the crosscut to check the separation of the film.
  • the evaluation was made in four steps ( ⁇ : no peeling at all, ⁇ : very slight peeling of practically no problem, ⁇ : slight peeling, X: peeling mostly).
  • Table 2 shows the results. As shown in Table 2, it is clear that the steel sheet for a laminated container manufactured by the present invention and having excellent workability in lamination has excellent formability, weldability, film adhesion, and corrosion resistance. is there.
  • the steel sheet for a laminated container of the present invention and the container using the same have excellent adaptability to severe canning, and are excellent in film adhesion, corrosion resistance, and weldability. Particularly useful as beverage containers (cans) and their materials.

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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)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne une tôle en acier pour contenant feuilleté. Ladite tôle, constituée d'une couche de traitement de surface renfermant au moins Sn, Ni, Fe, Cr et un oxyde de Cr hydraté sur au moins une surface de tôle en acier et, formé sur la couche, un revêtement comprenant une résine organique ou une résine inorganique-organique contenant un composé à base d'acide phosphorique, un composé organique de silicium, ou Ti, Zr ou un composé de ceux-ci, et ayant une épaisseur de 1 à 500 nm, présente une excellente aptitude au façonnage lors de la fabrication de boîtes, ainsi qu'en matière d'adhésion de film, de résistance à la corrosion et de soudabilité. En particulier, une tôle en acier pour contenant feuilleté qui présente, dans l'ordre suivant en partant de sa surface, une couche d'électrodéposition à base de Ni d'une teneur de 5 à 500 mg/m2 en terme de Ni métallique, une couche d'alliage à base de Sn et une couche d'électrodéposition de Sn métallique sous la forme d'îlots d'une teneur de 100 à 1500 mg/m2, et sur ces couches à base métallique, une couche de revêtement comportant une résine à base de phénol d'une épaisseur de 1 à 500 nm et contenant un composé à base d'acide phosphorique d'une teneur de 0,1 mg/m2 en termes de P, est utile dans des applications impliquant le soudage.
PCT/JP2000/004556 1999-07-08 2000-07-07 Tole en acier pour contenant feuillete et procede de fabrication de boite l'utilisant et boite associee Ceased WO2001004380A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP00944342A EP1134305A4 (fr) 1999-07-08 2000-07-07 Tole en acier pour contenant feuillete et procede de fabrication de boite l'utilisant et boite associee

Applications Claiming Priority (2)

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JP11/194052 1999-07-08
JP19405299A JP3742533B2 (ja) 1998-12-14 1999-07-08 製缶加工性に優れたラミネート容器用鋼板

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2356808C2 (ru) * 2007-06-21 2009-05-27 Федеральное государственное унитарное предприятие "Российский Федеральный Ядерный Центр-Всероссийский Научно-Исследовательский Институт Технической Физики имени академика Е.И. Забабахина" (ФГУП "РФЯЦ-ВНИИТФ им. академ. Е.И. Забабахина") Защитный сосуд для хранения химических продуктов

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008029916A1 (fr) * 2006-09-08 2008-03-13 Nippon Steel Corporation Plaque d'acier pour contenant et son procédé de fabrication
US9127341B2 (en) * 2011-01-18 2015-09-08 Nippon Steel & Sumitomo Metal Corporation Steel sheet for container having excellent organic film performance and process for producing the same
MY182555A (en) * 2013-07-24 2021-01-25 Jfe Steel Corp Steel sheet for container
EP4029797A4 (fr) * 2019-09-13 2023-06-14 Daiwa Can Company Procédé de fabrication de canette en deux parties, tambour de canette et feuille métallique

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07138786A (ja) * 1993-11-11 1995-05-30 Toyo Kohan Co Ltd ラミネート鋼板およびその原板
JPH091060A (ja) * 1995-06-16 1997-01-07 Nkk Corp 加工密着性および加工耐食性に優れた塗装またはフィルムラミネート２ピース缶用表面処理鋼板およびその製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60170532A (ja) * 1984-02-14 1985-09-04 Kishimoto Akira 絞りしごき罐の製造方法
JPS60168643A (ja) * 1984-02-14 1985-09-02 東洋製罐株式会社 絞りしごき罐用被覆鋼板
CA2068829C (fr) * 1991-05-17 1998-12-15 Yashichi Ooyagi Bande d'acier pour la fabrication de contenants cylindriques et procedes de fabrication correspondants
JP3051670B2 (ja) * 1995-11-02 2000-06-12 東洋鋼鈑株式会社 ラミネート鋼板の製造法、ラミネート鋼板及びそれに用いる表面処理鋼板

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07138786A (ja) * 1993-11-11 1995-05-30 Toyo Kohan Co Ltd ラミネート鋼板およびその原板
JPH091060A (ja) * 1995-06-16 1997-01-07 Nkk Corp 加工密着性および加工耐食性に優れた塗装またはフィルムラミネート２ピース缶用表面処理鋼板およびその製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1134305A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2356808C2 (ru) * 2007-06-21 2009-05-27 Федеральное государственное унитарное предприятие "Российский Федеральный Ядерный Центр-Всероссийский Научно-Исследовательский Институт Технической Физики имени академика Е.И. Забабахина" (ФГУП "РФЯЦ-ВНИИТФ им. академ. Е.И. Забабахина") Защитный сосуд для хранения химических продуктов

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EP1134305A4 (fr) 2008-07-23

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