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Surface-treated metal materials, method of treating the surfaces thereof, resin-coated metal materials, cans and can lids

一种金属材料、表面处理的技术，应用在薄料处理、运输和包装、电解无机材料镀层等方向，能够解决密合性低下、密合性低、树脂拉毛等问题

Inactive Publication Date: 2010-12-22
TOYO SEIKAN KAISHA LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As for can lids coated with polyester resin, there is a problem that, due to the low adhesion with polyester resin, delamination of resin and metal peeling or opening caused by this is likely to occur near the scored opening. The elongation of the resin, that is, the phenomenon of picking, especially the can lid immediately after retort sterilization is prone to poor opening due to low adhesion with the resin

Method used

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  • Surface-treated metal materials, method of treating the surfaces thereof, resin-coated metal materials, cans and can lids
  • Surface-treated metal materials, method of treating the surfaces thereof, resin-coated metal materials, cans and can lids
  • Surface-treated metal materials, method of treating the surfaces thereof, resin-coated metal materials, cans and can lids

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0280] 1. Preparation of surface-treated metal plates

[0281] A 0.25 mm thick JIS5021H18 aluminum alloy plate was used as the metal plate, and the degreasing agent 322N8 (manufactured by Japan Peinto Co., Ltd.) was used. According to the usual method, it was treated in a bath at 70°C for 10 seconds, washed with water, and then dipped in 1% sulfuric acid at 40°C. 5 seconds, wash with water, wash with pure water, and perform pretreatment. Next, while stirring in the treatment bath shown in A of Table 2 at a bath temperature of 45°C, an indium oxide-coated titanium plate arranged at a position of 17 mm between the electrodes was used as an anode, and at 10 A / dm 2 Under the current density, the operation of energizing for 0.4 seconds-stopping for 0.6 seconds was repeated four times, cathodic electrolysis was performed intermittently, and post-treatments of running water washing, pure water washing and drying were immediately performed to obtain a surface-treated aluminum plate. ...

Embodiment 2

[0291] Set the current density to 5A / dm 2 , Repeat the operation of energizing for 0.6 seconds-stopping for 0.4 seconds 8 times, and perform surface treatment, resin coating, cap production and evaluation in the same manner as in Example 1.

Embodiment 3

[0293] Use the bath shown in B of Table 2 as the treatment bath, and set the current density to 7A / dm 2 , Surface treatment, resin coating, cap production, and evaluation were performed in the same manner as in Example 1 except that.

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Abstract

A surface-treated metal material which has a metal substrate and, formed thereon, an inorganic surface treating layer containing an inorganic component, or further has an organic surface treating layer formed on said inorganic surface treating layer, wherein said inorganic surface treating layer comprises M (where M represents at least one of Ti, Zr and Al), O and F, and said organic surface treating layer comprises a silane coupling agent treating agent having an Si amount of 0.8 to 30 mg / m<2> or a phenolic water-soluble organic compound. The above surface-treated metal material is friendly to the environment since it is free of chromium, is applicable to a variety of metal substrates, is excellent in the resistance to discoloration even when applied to a tin-plated steel sheet, and further can be excellent in various characteristics such as the close attachment with an organic resin film, adhesiveness, corrosion resistance, dent resistance and the like. The surface treatment method of the present invention allows the rapid and easy production of the surface-treated metal material at a low cost, due to the cathodic electrolytic treatment from an aqueous solution.

Description

[0001] The application number is CN200580028595.0 (the international filing date is June 22, 2005), and the title of the invention is "surface-treated metal material and its surface treatment method, and metal material coated with resin, can and can lid". A divisional application of a PCT application entering the national phase. technical field [0002] The present invention relates to a surface-treated metal material and a surface treatment method thereof. More specifically, it relates to a chromium-free, environmentally friendly, adhesive, adhesive, corrosion-resistant, impact-resistant, and organic resin film. Surface-treated metal material excellent in abrasiveness and the like, surface treatment method of the surface-treated metal material, resin-coated metal material obtained by coating the surface-treated metal material with resin, and metal can containing the same, and jar lid. Background technique [0003] As a treatment to improve the adhesion between metal materi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D11/00C25D9/08
CPCC25D11/00Y10T428/1266
Inventor 黑川亘松林宏粟饭原光英高桥成也松原政信石田正说每田知正
Owner TOYO SEIKAN KAISHA LTD
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