Metallic member being subjected to rust-preventive treatment and coating composition for the same

A metal parts, anti-rust treatment technology, applied in the direction of anti-corrosion coatings, metal layered products, epoxy resin coatings, etc., can solve the problem of difficult to peel off the coating, hard to soften the coating, and difficult to maintain long-term antirust of the composite zinc film role and other issues, to achieve the effect of inhibiting peeling

Active Publication Date: 2009-03-11
TOGO SEISAKUSYO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in the technique disclosed in Patent Document 1, it is difficult to sufficiently soften the coating, and it is difficult to obtain a coating that is difficult to peel off (hard to crack).
If the coating is peeled off, it will be difficult to maintain the antirust effect of the composite zinc film for a long time
Therefore, in the current technology, it is difficult to impart excellent anti-rust performance in anti-rust treated metal parts

Method used

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  • Metallic member being subjected to rust-preventive treatment and coating composition for the same
  • Metallic member being subjected to rust-preventive treatment and coating composition for the same
  • Metallic member being subjected to rust-preventive treatment and coating composition for the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] exist figure 1 A perspective view schematically showing the antirust metal part of Example 1 is shown in . exist figure 2 A cross-sectional view schematically showing the rust-proof metal part of Example 1 is shown in .

[0059] Such as figure 1 As shown in , the antirust metal part 1 of Example 1 is a hose clamp. Such as figure 2 As shown in , the antirust metal part 1 of Example 1 has a metal part 2 , a zinc composite protective film 3 formed on the upper layer of the metal part 2 , and a coating 4 formed on the upper layer of the zinc composite protective film 3 .

[0060] Metal part 2 is made of steel. and figure 1 The hose clamps shown in are essentially the same shape. As a material of the zinc composite protective film (hereinafter referred to as film material), Geomet 720 (manufactured by Nippon Dakoshi Yamarock) was used. As a coating material (coating paint), 14 parts by mass of epoxy resin (resin material), 21 parts by mass of magnesium silicate (fi...

Embodiment 2

[0065] The antirust metal part of Example 2 is the same as the antirust metal part of Example 1 except for the composition of the coating material. In the antirust metal part of Example 2, as the coating material, 14 parts by mass of phenolic resin (resin material), 21 parts by mass of magnesium silicate, 5 parts by mass of zinc phosphate, 5 parts by mass of titanium oxide, and 55 parts by mass of methyl ethyl ketone were used mixture. With respect to 100% by mass of the coating, the coating in the antirust metal part of Example 2 contains about 31% by mass of resin material, about 47% by mass of filler pigment, about 11% by mass of antirust pigment and about 11% by mass of Coloring pigments. In addition, the stirring time for coating the powder material in Example 2 was 180 minutes.

Embodiment 3

[0067] The antirust metal part of Example 3 is the same as the antirust metal part of Example 1 except for the composition of the coating material. In the antirust metal parts of Example 3, as the coating material, 7 parts by mass of epoxy resin, 7 parts by mass of phenolic resin, 21 parts by mass of magnesium silicate, 5 parts by mass of zinc phosphate, 5 parts by mass of titanium oxide and 55 parts by mass of A mixture of parts by mass of methyl ethyl ketone. With respect to 100% by mass of the coating, the coating in the antirust metal part of Example 3 contains about 31% by mass of resin material, about 47% by mass of filler pigment, about 11% by mass of antirust pigment and about 11% by mass of Coloring pigments. In addition, the stirring time for coating the powder material in Example 3 was 180 minutes.

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Abstract

The invention provides a metallic member subjected to rust-preventive treatment, which can thin a coat, can inhibit uncovering of the coat, and has excellent rust-preventive performance. The metallic member (1) subjected to rust-preventive treatment consists of a metallic member (2) with stated shape, a zinc composite protective film (3) formed on the upper layer of the metallic member (2), and a coat (4) coated on the upper layer of the zinc composite protective film (3) and formed by drying; a coating material as the material of the coat (4) comprises a coating substrate, a filler pigment (40) and a rust-preventive pigment (42); wherein the coating substrate comprises an organic solvent and a rubber material (41) dissolved in the organic solvent, and the filler pigment (40) and the rust-preventive pigment (42) keep scattered in the coating substrate.

Description

technical field [0001] The invention relates to an antirust-treated metal part formed with a zinc composite protective film and a coating on the surface of the metal part and the coating paint used in the metal part. Background technique [0002] The technique of performing antirust treatment on metal parts by forming a zinc composite protective film on the surface of the metal parts is currently known. By the antirust effect (sacrificial anticorrosion effect) of zinc contained in the zinc composite protective film, it is difficult to generate rust in the antirust-treated metal parts. In addition, there has been proposed a technique for maintaining the antirust effect of a zinc composite protective film for a long period of time by forming a coating layer on top of the zinc composite protective film (see, for example, Patent Document 1). [0003] In Patent Document 1, a technique is disclosed in which a zinc composite protective film is formed by applying a metal powder-chr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23F15/00B32B15/04B32B33/00C09D163/00C09D161/06C09D133/04C09D5/08
Inventor 榊原和利长谷川靖高
Owner TOGO SEISAKUSYO CORP
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