JP2002045786A - Coated metal sheet excellent in metallic appearance - Google Patents

Coated metal sheet excellent in metallic appearance

Info

Publication number
JP2002045786A
JP2002045786A JP2000238004A JP2000238004A JP2002045786A JP 2002045786 A JP2002045786 A JP 2002045786A JP 2000238004 A JP2000238004 A JP 2000238004A JP 2000238004 A JP2000238004 A JP 2000238004A JP 2002045786 A JP2002045786 A JP 2002045786A
Authority
JP
Japan
Prior art keywords
coating film
metal
coated
coating
metal sheet
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.)
Withdrawn
Application number
JP2000238004A
Other languages
Japanese (ja)
Inventor
Shuichi Sugita
修一 杉田
Yasusuke Tanaka
庸介 田中
Hiroyuki Kawanobe
啓之 川野辺
Koji Mori
浩治 森
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Nisshin Co Ltd
Original Assignee
Nisshin Steel Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nisshin Steel Co Ltd filed Critical Nisshin Steel Co Ltd
Priority to JP2000238004A priority Critical patent/JP2002045786A/en
Publication of JP2002045786A publication Critical patent/JP2002045786A/en
Withdrawn legal-status Critical Current

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  • Laminated Bodies (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

PROBLEM TO BE SOLVED: To obtain a coated metal sheet having a coating film, which has high hardness and a high grade metallic design having a depth feeling, by dispersing metal coated glass flakes in an upper layer coating film. SOLUTION: The coated metal sheet is obtained by forming the upper layer transparent coating film, in which 1-30 mass % of metal coated glass flakes with a mean particle size of 10-300 μm are dispersed, on a metal sheet to which surface treatment is applied. A transparent resin coating film (clear coating film) may be formed on the upper layer coating film.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は、建築物の内装材,自動
車用内装材,家電製品や各種器物の表装材等に使用さ
れ、極めて輝度が高く且つ奥行き感に富んだ新規な高級
メタリック調の意匠を呈する塗装金属板に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used for interior materials for buildings, interior materials for automobiles, surface materials for home appliances and various objects, etc., and is a new high-grade metallic tone with extremely high brightness and rich in depth. The present invention relates to a coated metal plate exhibiting the design described above.

【0002】[0002]

【従来の技術】建築物の内装材,自動車用内装材,家電
製品や各種器物の表装材等に汎用される金属板は、複雑
で厳しい成形加工が施されることから、ユーザ側で曲げ
加工した後、スプレー塗装,粉体塗装等のポストコート
法で意匠性のある塗装を施していた。ところが、コスト
ダウンや環境対策のために予め塗装を施したプレコート
鋼板が望まれるようになってきた。塗装によって付与さ
れる意匠に関しても、利用者に高級な印象を与えること
からメタリック調の意匠に対する要求が強くなってきて
いる。これらの要求に応えるため、鱗片状アルミ粉等の
金属フレーク,酸化チタンや酸化鉄等の金属酸化物を被
覆した鱗片状マイカ粒子,グラファイトフレーク,酸化
鉄フレーク等のメタリック顔料を分散させた透明塗料を
用いた塗装が採用されている。
2. Description of the Related Art Metal plates commonly used for interior materials for buildings, interior materials for automobiles, and exterior materials for home appliances and various equipment are subjected to complicated and strict forming processes, and thus are bent by users. After that, a design coating is applied by a post-coating method such as spray coating or powder coating. However, pre-coated steel sheets that have been painted in advance for cost reduction and environmental measures have come to be desired. With respect to designs given by painting, there is an increasing demand for metallic designs because they give users a high-quality impression. In order to meet these requirements, a transparent paint in which metallic flakes such as flaky aluminum powder, flaky mica particles coated with metal oxides such as titanium oxide and iron oxide, graphite flakes, and metallic pigments such as iron oxide flakes are dispersed. Is applied.

【0003】[0003]

【発明が解決しようとする課題】メタリック顔料を分散
させた塗膜は、塗膜に入射した光がメタリック顔料で反
射され、光輝性のある表面を呈する。しかし、従来のメ
タリック顔料は何れも光輝性が弱く、識別性が強く要求
される最近の傾向を十分に満足できない。本発明は、こ
のような問題を解消すべく案出されたものであり、金属
被覆されたガラスフレークをメタリック顔料として使用
することにより、従来のメタリック顔料では得られない
極めて高い輝度を呈し、奥行き感のある新規な高級メタ
リック調の意匠をもつ塗装金属板を提供することを目的
とする。
A coating film in which a metallic pigment is dispersed has a brilliant surface since light incident on the coating film is reflected by the metallic pigment. However, all of the conventional metallic pigments have poor glittering properties, and cannot sufficiently satisfy the recent tendency to require strong discriminating properties. The present invention has been devised to solve such a problem.By using metal-coated glass flakes as a metallic pigment, the present invention exhibits extremely high luminance that cannot be obtained with conventional metallic pigments, and has a high depth. It is an object of the present invention to provide a painted metal plate having a new high-grade metallic design with a feeling.

【0004】[0004]

【課題を解決するための手段】本発明の塗装金属板は、
その目的を達成するため、表面処理を施した金属板の上
に、金属被覆した平均粒径10〜300μmのガラスフ
レークが1〜30質量%の割合で分散された上層透明塗
膜が形成されていることを特徴とする。上層塗膜の上に
透明樹脂塗膜(クリア塗膜)を形成してもよい。
The coated metal sheet of the present invention comprises:
In order to achieve the object, on the surface-treated metal plate, an upper transparent coating film in which metal-coated glass flakes having an average particle size of 10 to 300 μm are dispersed at a ratio of 1 to 30% by mass is formed. It is characterized by being. A transparent resin coating (clear coating) may be formed on the upper coating.

【0005】[0005]

【作用】メタリック顔料として従来から使用されている
アルミフレーク,銅フレーク,ステンレス鋼フレーク等
の金属箔やマイカ,板状酸化鉄等では十分な光輝性が得
られない原因を次のように推察した。メタリック顔料と
して従来から使用されている金属箔は、ボールミル,ス
タンプミル等を用いた機械加工で製造されているため、
加工に伴う微細な凹凸がフレークの表面に残留しやす
い。微細な凹凸によって乱反射が促進され、結果として
光輝性が低下する。マイカや粒状酸化鉄も、同様な理由
から光輝性が不足する。
[Function] The reason why sufficient glittering properties cannot be obtained with metal foil such as aluminum flake, copper flake, stainless steel flake, mica, plate-like iron oxide, etc., which has been conventionally used as a metallic pigment, was speculated as follows. . Metal foils conventionally used as metallic pigments are manufactured by machining using a ball mill, stamp mill, etc.
Fine irregularities due to processing are likely to remain on the flake surface. Diffuse reflection is promoted by the fine unevenness, and as a result, the glitter is reduced. Mica and granular iron oxide also lack luster for the same reason.

【0006】これに対し、液体から冷却・凝固して製造
されるガラスフレークは、乱反射が少ない極めて平滑な
表面をもっている。このガラスフレークを金属薄膜で被
覆すると、反射光強度が更に向上し、キラキラ感の強い
メタリック顔料になる。また、金属被覆ガラスフレーク
を分散させることにより塗膜自体の硬度も向上する。金
属被覆は、ガラスフレークの表面を一層平滑化し、光輝
性を向上させることにも有効である。
On the other hand, glass flakes produced by cooling and solidifying from a liquid have an extremely smooth surface with little diffuse reflection. When this glass flake is coated with a metal thin film, the intensity of reflected light is further improved, and a metallic pigment having a strong glittering feeling is obtained. Further, the hardness of the coating film itself is improved by dispersing the metal-coated glass flakes. The metal coating is also effective for further smoothing the surface of the glass flake and improving glitter.

【0007】[0007]

【実施の形態】塗装原板としては、冷延鋼板,亜鉛めっ
き鋼板,Zn−Al合金めっき鋼板,アルミニウムめっ
き鋼板,ステンレス鋼板,アルミニウム合金板等の金属
板が使用される。塗装原板に脱脂,リン酸塩処理,クロ
メート処理等の塗装前処理を施すと、塗膜密着性が向上
する。具体的には、アルカリ脱脂,酸洗等で塗装原板の
表面を清浄化した後、必要に応じてリン酸塩処理で表面
の濡れ性を高め、クロメート処理を施す。クロメート処
理では、ロールコータ−,カーテンフローコーター,浸
漬引上げ等で塗装原板に処理液を塗布し、ローラー等で
絞った後、水洗することなく80〜200℃で乾燥する
ことによりクロメート処理される。
BEST MODE FOR CARRYING OUT THE INVENTION Metal plates such as cold-rolled steel plates, galvanized steel plates, Zn-Al alloy-plated steel plates, aluminum-plated steel plates, stainless steel plates, and aluminum alloy plates are used as the original coating plates. When a pre-painting treatment such as degreasing, phosphate treatment, or chromate treatment is applied to the paint base plate, coating film adhesion is improved. Specifically, after the surface of the coated original plate is cleaned by alkali degreasing, pickling, or the like, if necessary, the surface is wetted by a phosphate treatment to perform chromate treatment. In the chromate treatment, a treatment liquid is applied to a coating original plate by a roll coater, curtain flow coater, dipping and the like, squeezed by a roller or the like, and then dried at 80 to 200 ° C. without washing with water to perform chromate treatment.

【0008】塗装前処理された金属板の表面に、防錆顔
料や着色顔料を含んだエポキシ系樹脂,ポリエステル系
樹脂,ウレタン系樹脂,ウレタン変性エポキシ系樹脂等
の塗料を塗布し、下層塗膜を形成することも可能であ
る。下層塗膜によって、金属板に対する上層塗膜の密着
性が向上する。上層塗膜に使用される樹脂系には、ポリ
エステル系,フッ素系,アクリル系,ウレタン系,エポ
キシ系,酢酸ビニル系,クロロプレン系やこれらの混合
物,変性樹脂、或いは縮み模様を形成するこれらの樹脂
等がある。上層塗膜用樹脂は、透明感を損なわない程度
に染料,顔料等で着色することもできる。また、少量の
カーボンブラックやシアニンブル−等で上層塗膜用樹脂
を着色すると、更に深みのあるメタリック調の意匠が付
与される。
[0008] A paint such as an epoxy resin, a polyester resin, a urethane resin, a urethane-modified epoxy resin or the like containing a rust-preventive pigment or a color pigment is applied to the surface of the pretreated metal plate. It is also possible to form The lower layer coating improves the adhesion of the upper layer coating to the metal plate. The resin used for the upper coating film includes polyester, fluorine, acrylic, urethane, epoxy, vinyl acetate, chloroprene and mixtures thereof, modified resins, and resins that form shrink patterns. Etc. The resin for the upper layer coating film can be colored with a dye, a pigment or the like to the extent that the transparency is not impaired. When the resin for the upper layer coating is colored with a small amount of carbon black, cyanine bleed, or the like, a deeper metallic design is imparted.

【0009】上層塗膜用樹脂に配合される金属被覆ガラ
スフレークとしては、奥行き感のある高級なメタリック
調の意匠を付与する上で、平均粒径10〜300μmの
ガラスフレークに0.5〜10μmの膜厚で金属薄膜を
形成したガラスフレークが使用される。ガラスフレーク
の平均粒径は、ガラスフレークの最も長い部分の長さで
表される。平均粒径10μm未満のガラスフレークで
は、平滑面が不足するためか、奥行き感のある高級なメ
タリック調の意匠が得られがたい。逆に300μmを超
える平均粒径では、塗膜本来の性質が損なわれ、塗膜物
性への悪影響が顕在化する。しかも、塗膜外観が柚子肌
状になり、意匠性が著しく劣化する。ガラスフレーク
は、ガラス組成が特に制約されるものではなく、含アル
カリガラス,無アルカリガラス或いはその中間組成物
等、市販のガラスフレークが使用可能である。
As the metal-coated glass flake to be blended with the resin for the upper coating film, a glass flake having an average particle size of 10 to 300 μm is added to the glass flake having an average particle size of 10 to 300 μm in order to impart a high-quality metallic design with a sense of depth. A glass flake having a metal thin film formed with a thickness of? The average particle size of the glass flakes is represented by the length of the longest part of the glass flakes. With glass flakes having an average particle size of less than 10 μm, it is difficult to obtain a high-grade metallic design with a sense of depth, possibly due to lack of a smooth surface. Conversely, if the average particle size exceeds 300 μm, the intrinsic properties of the coating film will be impaired, and adverse effects on the physical properties of the coating film will become apparent. In addition, the appearance of the coating film becomes a yuzu skin, and the design property is significantly deteriorated. The glass flakes are not particularly limited in glass composition, and commercially available glass flakes such as alkali-containing glass, non-alkali glass, and intermediate compositions thereof can be used.

【0010】ガラスフレークの上に形成される金属薄膜
としては、コーティング可能な金属である限り、その種
類及び薄膜形成方法を問わない。たとえば、無電解めっ
きによるとき、Au,Ag,Ni,Co等の金属薄膜が
形成される。スパッタリングやイオンプレーティングに
よるとき、Au,Ag,Ni,Coの他に、Ti,A
l,真鍮等の銅合金,ステンレス鋼等のFe合金,ハス
テロイ等のNi合金の金属薄膜が形成される。なかで
も、0.005〜0.05μmの極薄膜でガラスフレー
クを均一にコーティングできることからスパッタリング
法が好ましい。金属薄膜は、通常0.005〜10μm
の膜厚でガラスフレークの表面に形成される。金属薄膜
は、ガラスフレークの平滑面は勿論、端面にも均一な被
覆層として設けられる。
The type of metal thin film formed on the glass flakes and the method of forming the thin film are not limited as long as the metal can be coated. For example, when using electroless plating, a metal thin film of Au, Ag, Ni, Co or the like is formed. When using sputtering or ion plating, Ti, A in addition to Au, Ag, Ni, Co
1, a metal thin film of a copper alloy such as brass, an Fe alloy such as stainless steel, or a Ni alloy such as Hastelloy is formed. Among them, a sputtering method is preferable because glass flakes can be uniformly coated with an ultrathin film of 0.005 to 0.05 μm. Metal thin film is usually 0.005 to 10 μm
Is formed on the surface of the glass flake with a thickness of The metal thin film is provided as a uniform coating layer not only on the smooth surface of the glass flake but also on the end surface.

【0011】金属薄膜で被覆されたガラスフレークは、
そのまま上層塗膜用樹脂に添加してもよいが、必要に応
じてクロム酸系,燐酸系,アルミナ系,ジルコニア系等
の無機系表面処理剤や各種シランカップリング剤,チタ
ネートカップリング剤等を用いて表面処理することが好
ましい。この表面処理により上層塗膜用樹脂に対するガ
ラスフレークの分散性及び隣接する樹脂層との層間密着
性が改善される。金属被覆ガラスフレークは,1〜30
質量%の配合割合で上層塗膜用樹脂に分散配合される。
金属薄膜で被覆されたガラスフレークの配合により、塗
膜の光輝性が向上すると共に、従来HB〜H程度であっ
た樹脂塗膜の鉛筆硬度試験による塗膜硬度が2H〜4H
に上昇する。単に塗膜硬度を向上させる添加材としては
ガラスビーズ,炭化ケイ素粉末等があるが、これらの粉
末粒子に金属をコーティングしても粒子径状が反射平滑
面のない球状であるため、光輝感に劣る塗膜面となる。
[0011] Glass flakes coated with a metal thin film
It may be added to the resin for the upper layer coating as it is, but if necessary, an inorganic surface treating agent such as chromic acid type, phosphoric acid type, alumina type, zirconia type, various silane coupling agents, titanate coupling agents, etc. The surface treatment is preferably performed. By this surface treatment, the dispersibility of the glass flakes in the resin for the upper coating film and the interlayer adhesion with the adjacent resin layer are improved. 1-30 metal-coated glass flakes
It is dispersed and compounded in the resin for the upper layer coating at a compounding ratio of mass%.
By blending the glass flakes coated with the metal thin film, the glitter of the coating film is improved, and the coating film hardness of the resin coating film, which was conventionally about HB to H, is 2H to 4H by a pencil hardness test.
To rise. There are glass beads, silicon carbide powder, etc. as additives merely to improve the hardness of the coating film. However, even if these powder particles are coated with metal, the particle diameter is spherical without a reflective smooth surface. Inferior coating surface.

【0012】奥行き感のある高級なメタリック調の意匠
及び塗膜高度に及ぼす金属被覆ガラスフレークの効果
は、平均粒径10〜300μmの金属被覆ガラスフレー
クを1〜30質量%の割合で分散させたときに顕著とな
る。金属被覆ガラスフレークの配合量が1質量%未満で
は、奥行き感のある高級なメタリック調の意匠が得られ
難く、塗膜硬度を上昇させる作用も十分でない。逆に3
0質量%を超える金属被覆ガラスフレークを配合する
と,塗膜本来の性能が損なわれて物性への悪影響も現れ
始め、奥行き感のある高級なメタリック調の意匠を向上
させる作用も得られない。
The effect of the metal-coated glass flakes on the high-quality metallic design with a sense of depth and the coating film height is as follows. Metal-coated glass flakes having an average particle size of 10 to 300 μm are dispersed at a ratio of 1 to 30% by mass. Sometimes noticeable. If the amount of the metal-coated glass flakes is less than 1% by mass, it is difficult to obtain a high-quality metallic design with a sense of depth, and the effect of increasing the hardness of the coating film is not sufficient. Conversely 3
If the content of the metal-coated glass flakes exceeds 0% by mass, the intrinsic performance of the coating film is impaired and the physical properties begin to be adversely affected, and the effect of improving the high-quality metallic design with a sense of depth cannot be obtained.

【0013】所定組成に調製した樹脂塗料は、プレコー
ト金属板の製造に通常使用されているロールコート,フ
ローコート,カーテンフロー,スプレー等の方法で乾燥
膜厚が10〜30μmとなる塗布量で金属板に塗布され
る。塗布された樹脂塗料は、常法に従って到達板温20
0〜280℃×30〜120秒で焼き付けられる。乾燥
膜厚が10μm以上になると、塗膜硬度が高く奥行き感
のある高級なメタリック調の外観及び質感を呈する意匠
性に優れた塗装金属板が得られる。しかし、30μmを
超える乾燥膜厚では、塗膜表面が柚子肌状になり外観が
劣化するばかりでなく、焼付け時に沸きが発生するよう
になる。
The resin paint prepared to a predetermined composition is applied in a coating amount such that a dry film thickness becomes 10 to 30 μm by a method such as roll coating, flow coating, curtain flow, spraying and the like usually used for the production of a precoated metal sheet. Applied to the board. The applied resin paint is applied to a plate temperature of 20 in accordance with a conventional method.
Baking is performed at 0 to 280 ° C. for 30 to 120 seconds. When the dry film thickness is 10 μm or more, a coated metal sheet having a high degree of hardness and a high-quality metallic appearance with a sense of depth and excellent design can be obtained. However, when the dry film thickness exceeds 30 μm, not only does the surface of the coating film become yuzu-like, the appearance is deteriorated, but also boiling occurs during baking.

【0014】[0014]

【実施例】板厚0.5mm,片面当りめっき付着量12
0g/m2の溶融亜鉛めっき鋼板を塗装原板に使用し、
酸洗,水洗,表面調整,水洗,乾燥の工程を経て塗布型
クロメート処理を施し、100℃で乾燥した。塗布型ク
ロメート処理では、全Cr換算付着量として30mg/
2のクロメート皮膜を形成した。クロメート処理され
た塗装原板の表面に、クロム酸系防錆顔料を含み、着色
顔料で表1に示す色調に着色したポリエステル系樹脂を
下塗り塗料として乾燥膜厚10μmとなるように塗布
し、220℃×50秒で焼付け乾燥した。次いで、表1
に示す平均粒径及び配合量で金属被覆ガラスフレークを
配合したポリエステル系透明樹脂塗料を上塗り塗料とし
て乾燥膜厚15μmで塗布し、230℃×50秒で焼付
け乾燥した。ただし、試験番号11,12(比較例)で
は、金属被覆ガラスフレークに代えて金属被覆ガラスビ
ーズを使用した。
[Example] Plate thickness 0.5 mm, coating weight per side 12
0g / m 2 hot-dip galvanized steel sheet is used for the original plate
A coating type chromate treatment was applied through the steps of pickling, washing with water, surface conditioning, washing with water, and drying, followed by drying at 100 ° C. In the coating type chromate treatment, the total amount of Cr adhered was 30 mg /
An m 2 chromate film was formed. On the surface of the chromate-treated coating original plate, a polyester resin containing a chromic acid-based rust-preventive pigment and colored with a color pigment in a color tone shown in Table 1 was applied as an undercoating paint so as to have a dry film thickness of 10 μm. It was baked and dried for 50 seconds. Then, Table 1
Was coated as a top coat with a dry film thickness of 15 μm and baked and dried at 230 ° C. for 50 seconds. However, in Test Nos. 11 and 12 (Comparative Examples), metal-coated glass beads were used instead of metal-coated glass flakes.

【0015】 [0015]

【0016】得られた各塗装金属板から試験片を切り出
し、次の試験に供した。 メタリック調外観の評価試験 試験片を蛍光灯の下で目視観察し、奥行き感のある高級
なメタリック調の外観でキラキラ感が極めて優れている
ものを○,メタリック調の外観ではあるが奥行き感がな
く高級感に乏しいものを△,メタリック調の外観をもた
ないものを×としてメタリック調外観を評価した。 塗膜硬度試験 「JIS K5400 6.14鉛筆引っかき試験」に
準拠して塗膜硬度を測定した。
A test piece was cut out from each of the obtained coated metal plates and subjected to the following test. Evaluation test of metallic appearance The test piece was visually observed under a fluorescent lamp, and a high-grade metallic appearance with a sense of depth and an extremely excellent glitter was evaluated as "good". Those with no metallic appearance were evaluated as △, and those without metallic appearance were evaluated as ×, and the metallic appearance was evaluated. Coating film hardness test The coating film hardness was measured based on "JIS K5400 6.14 Pencil scratch test".

【0017】加工性試験 「JIS K5400 8.1耐屈曲性」試験に準拠し
て塗装鋼板を180度密着折曲げ試験した後、折曲げ部
の塗膜を観察した。割れが検出されなかったものを○,
割れが発生したものを×として加工性を評価した。 塗膜密着性試験 加工性試験と同様に塗装鋼板を180度密着折曲げ試験
した後、折曲げ部の塗膜に粘着テープを貼り付けて瞬間
的に引き剥がした。テープ剥離後に塗膜の付着状態を観
察し、塗膜剥離が検出されなかったものを○,塗膜が剥
離したものを×として塗膜密着性を評価した。
Workability test A coated steel plate was subjected to a 180-degree close contact bending test in accordance with the "JIS K5400 8.1 flex resistance" test, and the coating film at the bent portion was observed. If no cracks were detected,
The workability was evaluated as x when cracks occurred. Coating film adhesion test Similar to the workability test, the coated steel plate was subjected to a 180-degree adhesion bending test, and then an adhesive tape was attached to the coating film at the bent portion and instantaneously peeled off. The adhesion state of the coating film was observed after the tape was peeled off, and the film adhesion was evaluated as ○ when no peeling of the coating film was detected and X when the coating film was peeled off.

【0018】表2の調査結果にみられるように、本発明
に従った塗装鋼板(試験番号1〜8)は,何れも奥行き
感のある高級なメタリック調の外観を呈し、塗膜硬度も
2H以上であり、塗膜本来の要求特性である加工性及び
塗膜密着性も良好であった。これに対し、試験番号9
(比較例)では、メタリック調の表面を呈するものの奥
行き感のある高級な外観が得られず、塗膜硬度も2Hに
達していなかった。試験番号10(比較例)では、奥行
き感のある高級なメタリック調の外観が得られ、塗膜硬
度も2H以上であったが、加工性に劣っていた。試験番
号11,12(比較例)では、メタリック調外観が得ら
れなかった。
As can be seen from the survey results in Table 2, the coated steel sheets according to the present invention (Test Nos. 1 to 8) all have a high-grade metallic appearance with a sense of depth and a coating hardness of 2H. As described above, the workability and the adhesion of the coating film, which are essential characteristics of the coating film, were also good. In contrast, test number 9
In Comparative Example, a high-quality appearance having a sense of depth was not obtained, but the hardness of the coating film did not reach 2H, although the surface had a metallic tone. In Test No. 10 (Comparative Example), a high-grade metallic appearance with a sense of depth was obtained, and the coating film hardness was 2H or more, but the workability was poor. In Test Nos. 11 and 12 (Comparative Examples), no metallic appearance was obtained.

【0019】この対比から明らかなように、特定された
平均粒径及び配合量の金属被覆ガラスフレークを添加す
ることにより、塗膜硬度が高く、加工性,塗膜密着性も
良好で、奥行き感のある高級なメタリック調の意匠をも
つ塗装金属板が得られることが判る。
As is evident from this comparison, the addition of metal-coated glass flakes having the specified average particle size and blending amount results in high coating film hardness, good workability and good coating adhesion, and a sense of depth. It can be seen that a coated metal plate having a high-quality metallic design with a certain quality can be obtained.

【0020】 [0020]

【0021】[0021]

【発明の効果】以上に説明したように、本発明の塗装金
属板は、平均粒径及び配合量が特定された金属被覆ガラ
スフレークを上層塗膜に分散させているため、奥行き感
のある高級なメタリック調の優れた外観をもつ塗膜面と
なり、しかも塗膜硬度も上昇している。この塗装金属板
は、加工性,塗膜密着性にも優れていることから、外装
材,内装材,表装材,自動車用内装材,家電機器用外板
材等として広範な分野で使用される。
As described above, in the coated metal sheet of the present invention, the metal-coated glass flakes having the specified average particle size and blending amount are dispersed in the upper layer coating film. The surface of the coating film has an excellent appearance with a metallic appearance, and the hardness of the coating film has increased. Since the coated metal sheet is excellent in workability and coating film adhesion, it is used in a wide range of fields as an exterior material, an interior material, a surface decoration material, an interior material for an automobile, an outer panel material for a home appliance, and the like.

───────────────────────────────────────────────────── フロントページの続き (72)発明者 川野辺 啓之 千葉県市川市高谷新町7番1号 日新製鋼 株式会社技術研究所内 (72)発明者 森 浩治 千葉県市川市高谷新町7番1号 日新製鋼 株式会社技術研究所内 Fターム(参考) 4D075 AE03 BB73X CA02 CA13 CB06 CB13 DA06 DB02 DB04 DB05 DB07 DC01 DC10 DC11 DC18 EA07 EA43 EB13 EB16 EB19 EB22 EB33 EB35 EB38 EC03 EC23 EC53 EC54 4F100 AA22 AB01A AB01B AB03 AB12 AB18 AB24 AG00B AK01C AK41 BA02 BA03 BA07 BA10A BA10C CA15 CC00B CC00C DE02B EH46 EH71 EJ64A EJ69 GB08 GB33 GB48 JK06 JK12 JL01 JN01B JN01C JN24 YY00B 4K044 AA02 AA03 AA06 BA02 BA06 BA08 BA11 BA21 BB02 BB11 BB15 BC09 CA11 CA13 CA15 CA16 CA22 CA29 CA53 CA62 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hiroyuki Kawanobe 7-1 Takaya Shinmachi, Ichikawa City, Chiba Prefecture Nisshin Steel R & D Co., Ltd. (72) Inventor Koji Mori 7-1 Takaya Shinmachi, Ichikawa City, Chiba Prefecture Sun New Steel Co., Ltd. Technical Research Institute F-term (reference) 4D075 AE03 BB73X CA02 CA13 CB06 CB13 DA06 DB02 DB04 DB05 DB07 DC01 DC10 DC11 DC18 EA07 EA43 EB13 EB16 EB19 EB22 EB33 EB35 EB38 EC03 EC23 EC53 EC54 4F100 AAB AB01 AB01 AB01 AB01 AK01C AK41 BA02 BA03 BA07 BA10A BA10C CA15 CC00B CC00C DE02B EH46 EH71 EJ64A EJ69 GB08 GB33 GB48 JK06 JK12 JL01 JN01B JN01C JN24 YY00B 4K044 AA02 AA03 AA06 BA02 CA11 CA21 BB11 CA21 BB11 CA21 CB11

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 表面処理を施した金属板の上に、金属被
覆した平均粒径10〜300μmのガラスフレークが1
〜30質量%の割合で分散された上層透明塗膜が形成さ
れていることを特徴とするメタリック調外観に優れた塗
装金属板。
1. A metal coated glass flake having an average particle size of 10 to 300 μm is placed on a surface-treated metal plate.
A coated metal sheet having an excellent metallic appearance, wherein an upper transparent coating film dispersed at a ratio of about 30% by mass is formed.
【請求項2】 透明樹脂塗膜を最表層に設けた請求項1
記載の塗装金属板。
2. The method according to claim 1, wherein a transparent resin coating film is provided on the outermost layer.
Painted metal plate as described.
JP2000238004A 2000-08-07 2000-08-07 Coated metal sheet excellent in metallic appearance Withdrawn JP2002045786A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000238004A JP2002045786A (en) 2000-08-07 2000-08-07 Coated metal sheet excellent in metallic appearance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000238004A JP2002045786A (en) 2000-08-07 2000-08-07 Coated metal sheet excellent in metallic appearance

Publications (1)

Publication Number Publication Date
JP2002045786A true JP2002045786A (en) 2002-02-12

Family

ID=18729773

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
JP (1) JP2002045786A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004024444A1 (en) * 2002-09-12 2004-03-25 Nippon Sheet Glass Company, Limited Articles coated with luminescent film
JP2004122772A (en) * 2002-09-12 2004-04-22 Nippon Sheet Glass Co Ltd Luminescence sheet clad article
JP2004224017A (en) * 2002-11-25 2004-08-12 Nisshin Steel Co Ltd Painted steel sheet with high cooling power
JP2007260541A (en) * 2006-03-28 2007-10-11 Nippon Steel Corp Pre-coat metal plate and its manufacturing method
WO2017164234A1 (en) * 2016-03-22 2017-09-28 新日鐵住金株式会社 Precoated metal plate
TWI838225B (en) * 2023-04-19 2024-04-01 中國鋼鐵股份有限公司 Hot-dipped galvanized steel coil with high glossiness and method of producing the same

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004024444A1 (en) * 2002-09-12 2004-03-25 Nippon Sheet Glass Company, Limited Articles coated with luminescent film
JP2004122772A (en) * 2002-09-12 2004-04-22 Nippon Sheet Glass Co Ltd Luminescence sheet clad article
US7279236B2 (en) 2002-09-12 2007-10-09 Nippon Sheet Glass Co., Ltd. Luminescent-film-coated product
JP2004224017A (en) * 2002-11-25 2004-08-12 Nisshin Steel Co Ltd Painted steel sheet with high cooling power
JP2007260541A (en) * 2006-03-28 2007-10-11 Nippon Steel Corp Pre-coat metal plate and its manufacturing method
WO2017164234A1 (en) * 2016-03-22 2017-09-28 新日鐵住金株式会社 Precoated metal plate
JPWO2017164234A1 (en) * 2016-03-22 2018-04-12 新日鐵住金株式会社 Pre-coated metal plate
TWI838225B (en) * 2023-04-19 2024-04-01 中國鋼鐵股份有限公司 Hot-dipped galvanized steel coil with high glossiness and method of producing the same

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