JPH0718413A - Surface treatment of metallic material - Google Patents
Surface treatment of metallic materialInfo
- Publication number
- JPH0718413A JPH0718413A JP15723492A JP15723492A JPH0718413A JP H0718413 A JPH0718413 A JP H0718413A JP 15723492 A JP15723492 A JP 15723492A JP 15723492 A JP15723492 A JP 15723492A JP H0718413 A JPH0718413 A JP H0718413A
- Authority
- JP
- Japan
- Prior art keywords
- metal material
- coating film
- projection
- metallic
- tip
- 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.)
- Pending
Links
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
- Physical Vapour Deposition (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、金属光沢を保持し、か
つ塗膜との密着性が良く、さらに薄膜でも平滑な塗膜表
面が得られる塗装前処理方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pretreatment method for coating, which retains metallic luster, has good adhesion to a coating film, and can obtain a smooth coating film surface even with a thin film.
【０００２】[0002]
【従来の技術】従来、金属材料に対する塗膜形成の塗装
前処理方法としてはエッチング、酸化皮膜の形成等の化
成処理やサンドブラスト等の物理的処理が用いられてい
る。また、金属光沢を保持したい場合には、トリクロロ
エタン等による脱脂や超音波による洗浄等の汚れを除去
する方法が一般的で、まれに銅等の金属材料の場合は酸
化皮膜を除去する目的で化成処理が行われている。2. Description of the Related Art Conventionally, chemical conversion treatments such as etching and oxide film formation and physical treatments such as sandblasting have been used as pre-coating treatment methods for forming coating films on metal materials. When it is desired to maintain the metallic luster, it is common to remove stains such as degreasing with trichloroethane or cleaning with ultrasonic waves.Rarely, in the case of metallic materials such as copper, chemical conversion is performed to remove the oxide film. Processing is taking place.
【０００３】[0003]
【発明が解決しようとする課題】しかし、エッチング、
酸化皮膜の形成等の化成処理やサンドブラスト等の物理
的処理を金属材料に行うと金属の持つ光沢が著しく損な
われるばかりでなく、化成処理の場合は被処理物の材質
や形成した化成皮膜の耐熱上の制約や、化成処理工程で
起こる作業環境保持対策や排水処理の問題等を生じ、物
理的処理の場合は被処理物の処理面が著しく荒れるた
め、数十μｍの塗膜をその上に形成させた場合、塗膜表
面が被処理物の凹凸の影響で平滑な塗膜表面を形成でき
ないと言う問題等がある。また、下地を粗面化せずトリ
クロロエタン等による脱脂や超音波による洗浄等の汚れ
を除去する方法等のみでは、金属光沢を保持できるが塗
膜との十分な密着力が得られないと言う問題がある。こ
のため、金属光沢を保持し、かつ塗膜との密着性が良
く、さらに薄膜でも平滑な塗膜表面が得られる塗装前処
理方法が望まれていた。本発明は上記従来の課題を解決
するものであり、金属光沢を損なわず、かつ塗膜との密
着性が向上し、さらに薄膜でも平滑な塗膜表面が得られ
る塗装前処理方法を提供することを目的とするものであ
る。However, etching,
When metal materials are subjected to chemical treatment such as oxide film formation or physical treatment such as sandblasting, not only the gloss of the metal is significantly impaired, but in the case of chemical conversion treatment, the material of the object to be treated and the heat resistance of the formed chemical coating Due to the above restrictions and the problems of working environment maintenance measures and wastewater treatment that occur in the chemical conversion treatment process, and in the case of physical treatment, the treated surface of the object to be treated is significantly roughened, so a coating film of several tens of μm should be applied on top of it. When formed, there is a problem that the surface of the coating film cannot be formed due to the unevenness of the object to be treated. In addition, the problem that the metallic luster can be retained but sufficient adhesion with the coating film cannot be obtained only by removing stains such as degreasing with trichloroethane or cleaning with ultrasonic waves without roughening the base. There is. Therefore, there has been a demand for a pretreatment method for coating which retains metallic luster, has good adhesion to a coating film, and can obtain a smooth coating film surface even with a thin film. The present invention is to solve the above conventional problems, to provide a coating pretreatment method that does not impair the metallic luster and improves the adhesion with a coating film, and that can obtain a smooth coating film surface even in a thin film. The purpose is.
【０００４】[0004]
【課題を解決するための手段】本発明は金属材料の表面
に鋭利な突起状の表面状態を形成させた後、鋭利な突起
状の先端のみを平らにすることにより、金属光沢を保持
し、かつ塗膜との密着性が向上し、さらに薄膜でも平滑
な塗膜表面が得られる塗装前処理方法である。金属材料
の表面に鋭利な突起状の表面状態を形成させる方法は、
不定形の投射材を金属材料の表面に投射する等の方法で
良く、また金属材料の表面に鋭利な突起状態を形成させ
た後、鋭利な突起状の先端のみを平らにする方法は、球
状の投射材を鋭利な突起状の先端のみに投射する、また
は圧縮、切削、及び研磨による方法で良い。Means for Solving the Problems The present invention maintains a metallic luster by forming a sharp projection-like surface state on the surface of a metal material and then flattening only the sharp projection-like tip, In addition, it is a pretreatment method for coating in which the adhesion to the coating film is improved and a smooth coating film surface is obtained even with a thin film. The method of forming a sharp protruding surface state on the surface of the metal material is
A method such as projecting an irregularly shaped shot material onto the surface of the metal material is also acceptable.After forming a sharp projection state on the surface of the metal material, the method of flattening only the sharp projection-shaped tip is spherical. The projection material may be projected only on the tip of a sharp projection, or compression, cutting, and polishing may be used.
【０００５】[0005]
【作用】本発明では金属材料の表面に不定形の投射材に
より鋭利な突起状の表面状態を形成させた後、球状の投
射材を鋭利な突起状の先端のみに投射する、または圧
縮、切削、及び研磨にて突起状の先端のみを平らにする
ことにより、金属光沢を保持し、かつ塗膜との密着性が
向上し、さらに薄膜でも平滑な塗膜表面が得られる。第
１図は本発明の表面処理を施した金属材料を真上から見
た模式図であり、第２図は不定型の投射材にて金属材料
の表面を鋭利な突起状に処理したものの断面の模式図で
ある。また、第３図は第２図の鋭利な突起状の先端のみ
を平らに処理したものの断面の模式図である。第１図か
ら明らかなように、真上から見るとほぼ平面状であり、
そのため、金属光沢を示し、かつ薄膜でも平滑な塗膜表
面を形成することができる。第３図から明らかなよう
に、断面を見ると塗膜と基材がアンカー効果を形成でき
るような形状になっている。そのため、塗膜との密着性
も優れている。このように、本発明は金属光沢を保持
し、かつ塗膜との密着性が向上し、さらに薄膜でも平滑
な塗膜表面が得られると言う機能を発現することができ
る。本発明が効果を発揮できる金属材料としては材質お
よび形状とも特に制限はなく、金属材料全般に適用可能
である。本発明に適用できる塗膜としては特に制限はな
いが、金属光沢を保持できる特徴を生かす意味で、透明
の塗膜が好ましく、また塗膜形成前の状態が低粘度なも
のの方が基材との密着力がより発揮できる。なお、本発
明の表面処理を施した金属材料上にメッキを行うと無処
理の金属材料上にメッキした場合に比ベファッション性
が向上する。また、本発明を金属材料に施したのみでも
無処理の金属材料に比ベファッション性が付与されるた
め、塗膜を形成せずに利用しても何ら問題はない。例え
ば、ステンレスに本発明の処理を行い３５０℃程度に加
熱すると、ゴールド調になり、アルミに本発明の処理を
行うと落ちついたシルバー調になる。In the present invention, a sharp projection-like surface state is formed on the surface of a metal material by an irregular projection material, and then a spherical projection material is projected only on the sharp projection-like tip, or compressed or cut. By flattening only the protruding tips by polishing, the metallic luster is maintained, the adhesion to the coating film is improved, and a smooth coating film surface can be obtained even with a thin film. FIG. 1 is a schematic view of a metallic material which has been subjected to the surface treatment of the present invention as seen from directly above, and FIG. 2 is a cross section of a metallic material whose surface is treated with a sharp projection by an irregular projection material. FIG. Further, FIG. 3 is a schematic view of a cross section of the sharp projection-shaped tip of FIG. 2 which is flattened. As is clear from FIG. 1, when viewed from directly above, it is almost flat,
Therefore, it is possible to form a smooth coating film surface that exhibits metallic luster and is a thin film. As is apparent from FIG. 3, the coating film and the base material have a shape capable of forming an anchor effect when viewed in cross section. Therefore, the adhesiveness with the coating film is also excellent. As described above, the present invention can exhibit the functions of maintaining the metallic luster, improving the adhesion to the coating film, and obtaining a smooth coating film surface even with a thin film. The metal material for which the present invention can exert the effect is not particularly limited in material and shape, and is applicable to all metal materials. The coating film applicable to the present invention is not particularly limited, but a transparent coating film is preferable in the sense that the characteristic that metal luster can be retained is utilized, and a substrate having a low viscosity before forming the coating film is more preferable as a base material. The adhesion of can be demonstrated more. In addition, when plating is performed on the surface-treated metal material of the present invention, the fashionability is improved as compared with the case where the untreated metal material is plated. Further, even if the present invention is applied to a metal material, non-treated metal material is given a more fashionable property, so that there is no problem even if it is used without forming a coating film. For example, when stainless steel is subjected to the treatment of the present invention and heated to about 350 ° C., it has a gold tone, and when aluminum is subjected to the treatment of the present invention, it has a calm silver tone.
【０００６】[0006]
（実施例１）表１に本発明の処理条件を示す。 (Example 1) Table 1 shows the processing conditions of the present invention.
【０００７】[0007]
【表１】 表２に通常のブラスト処理条件を示す。[Table 1] Table 2 shows the normal blast treatment conditions.
【０００８】[0008]
【表２】 アルミ（Ａｌ１００）、ステンレス（ＳＵＳ３０４）及
び鉄（ＳＳ４１）の金属材料に対し、トリクロロエタン
による脱脂を行った後、表１及び表２に示す条件による
処理とトリクロロエタンによる脱脂のみの処理をした上
に、ポリエーテルサルフォンの透明の塗料をスプレーコ
ーティングし、３２０℃×１５分焼き付けて成膜し各種
試料を準備した。なお、ポリエーテルサルフォンの膜厚
は８〜１２μｍとした。準備した各種試料を９５℃以上
の熱水中に浸漬し、２４時間ごとに外観検査した。この
結果を、表３に示した。なお、本発明とブラスト処理後
の外観についても同様に表３に示した。[Table 2] After degreasing metal materials of aluminum (Al100), stainless steel (SUS304) and iron (SS41) with trichloroethane, in addition to the degreasing treatment with the conditions shown in Table 1 and Table 2 and the degreasing treatment with trichloroethane, Various samples were prepared by spray-coating a transparent coating of polyether sulfone and baking at 320 ° C. for 15 minutes to form a film. The film thickness of the polyether sulfone was 8 to 12 μm. The prepared various samples were immersed in hot water of 95 ° C. or higher, and the appearance was inspected every 24 hours. The results are shown in Table 3. The appearance of the present invention and that after blasting are also shown in Table 3.
【０００９】[0009]
【表３】 表３から明らかなように本発明は金属光沢を保持し、か
つ塗膜との密着性が良い。これに対してサンドブラスト
では塗膜との密着性は良いが、金属光沢が全くなく、ま
たトリクロロエタンの脱脂のみでは金属光沢は保持され
るが、塗膜との密着性が良くない。以上の結果より、本
発明は金属光沢を損なわず、かつ塗膜との密着性に優れ
た塗装前処理方法として有効であることが明らかになっ
た。[Table 3] As is clear from Table 3, the present invention retains metallic luster and has good adhesion to the coating film. On the other hand, sandblasting has good adhesion to the coating film, but has no metallic luster, and degreasing of trichloroethane retains metallic luster but does not have good adhesion to the coating film. From the above results, it became clear that the present invention is effective as a pretreatment method for coating, which does not impair the metallic luster and is excellent in adhesion to the coating film.
【００１０】[0010]
【発明の効果】以上説明したように、本発明の表面処理
方法は金属材料の表面に、まず鋭利な突起状の表面状態
を形成させ、次いでその鋭利な突起状の先端部のみを平
らにすることにより、金属光沢を保持し、かつ塗膜との
密着性が向上し、さらに薄膜でも平滑な塗膜表面が得ら
れる。As described above, according to the surface treatment method of the present invention, a sharp projection-like surface state is first formed on the surface of a metal material, and then only the sharp projection-like tip is flattened. As a result, the metallic luster is maintained, the adhesion to the coating film is improved, and a smooth coating film surface can be obtained even with a thin film.
【図１】本発明の表面処理を金属材料に施した平面図。FIG. 1 is a plan view in which a surface treatment of the present invention is applied to a metal material.
【図２】本発明の表面処理の不定形の投射材にて金属材
料の表面を処理したものの断面図。FIG. 2 is a cross-sectional view of the surface of a metal material treated with an irregularly shaped projection material of the present invention.
【図３】図２の処理後、突起状の先端のみを平らに処理
したものの断面図。FIG. 3 is a cross-sectional view of what is obtained by flattening only the protrusion-shaped tip after the process of FIG. 2;
１・・・金属材料部、 ２・・・隙間 1 ... Metal material part, 2 ... Gap
フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｂ０５Ｄ 7/14 Ｚ Continuation of the front page (51) Int.Cl. 6 Identification number Office reference number FI technical display location B05D 7/14 Z
Claims (6)
態を形成させた後、鋭利な突起状の先端のみを平らにす
ることにより、金属光沢を保持し、かつ塗膜との密着性
が向上し、さらに薄膜でも平滑な塗膜表面を形成するこ
とができることを特徴とする金属材料の表面処理方法。1. A metallic projection is formed on the surface of a metal material, and then only the tip of the sharp projection is flattened to maintain a metallic luster and adhere to a coating film. And a smooth coating film surface can be formed even with a thin film.
態を形成させる方法が、不定形の投射材を金属材料の表
面に投射することによって得られる請求項１記載の金属
材料の表面処理方法。2. The surface treatment of a metal material according to claim 1, wherein the method for forming a sharp projection-like surface state on the surface of the metal material is obtained by projecting an irregularly shaped projection material onto the surface of the metal material. Method.
態を形成させた後、突起状の先端のみを平らにする方法
が、球状の投射材を金属材料の表面に投射することによ
って得られる請求項１記載の金属材料の表面処理方法。3. A method of forming a sharp projection-like surface state on the surface of a metal material and flattening only the projection-like tip is obtained by projecting a spherical projectile onto the surface of the metal material. The surface treatment method for a metal material according to claim 1, which is performed.
することによって得られた鋭利な突起状の先端のみを、
球状の投射材を投射することにより平らにすることによ
って得られる請求項１記載の金属材料の表面処理方法。4. Only a sharp projection-like tip obtained by projecting an amorphous projectile onto the surface of a metal material,
The surface treatment method for a metal material according to claim 1, which is obtained by flattening by blasting a spherical blast material.
することによって得られた鋭利な突起状の先端のみを、
圧縮、切削、又は研磨のいずれかにより平らにすること
によって得られる請求項１記載の金属材料の表面処理方
法。5. Only a sharp projection-like tip obtained by projecting an amorphous projectile onto the surface of a metal material,
The surface treatment method for a metal material according to claim 1, which is obtained by flattening by compression, cutting, or polishing.
材料の表面処理方法。6. A method for surface treatment of a metal material, which comprises performing the post-treatment plating according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15723492A JPH0718413A (en) | 1992-05-02 | 1992-05-02 | Surface treatment of metallic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15723492A JPH0718413A (en) | 1992-05-02 | 1992-05-02 | Surface treatment of metallic material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0718413A true JPH0718413A (en) | 1995-01-20 |
Family
ID=15645176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15723492A Pending JPH0718413A (en) | 1992-05-02 | 1992-05-02 | Surface treatment of metallic material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0718413A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1858256A2 (en) | 2006-05-19 | 2007-11-21 | Funai Electric Co., Ltd. | Video display device |
| WO2023239194A1 (en) * | 2022-06-09 | 2023-12-14 | 와이엠티 주식회사 | Metal layer, carrier-attached metal foil comprising same, and printed circuit board comprising same |
-
1992
- 1992-05-02 JP JP15723492A patent/JPH0718413A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1858256A2 (en) | 2006-05-19 | 2007-11-21 | Funai Electric Co., Ltd. | Video display device |
| WO2023239194A1 (en) * | 2022-06-09 | 2023-12-14 | 와이엠티 주식회사 | Metal layer, carrier-attached metal foil comprising same, and printed circuit board comprising same |
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