JPH05140486A - Metallic paint and method for coating therewith - Google Patents
Metallic paint and method for coating therewithInfo
- Publication number
- JPH05140486A JPH05140486A JP32808091A JP32808091A JPH05140486A JP H05140486 A JPH05140486 A JP H05140486A JP 32808091 A JP32808091 A JP 32808091A JP 32808091 A JP32808091 A JP 32808091A JP H05140486 A JPH05140486 A JP H05140486A
- Authority
- JP
- Japan
- Prior art keywords
- metallic
- coating
- paint
- metallic paint
- resin
- 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
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、微細なメタリック感
で、緻密性にすぐれ、しかも立体的色感を有する独特の
意匠性の塗膜を形成できるメタリック塗料およびその塗
装法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a metallic coating composition capable of forming a coating film having a unique metallic design which has a fine metallic appearance, excellent compactness and three-dimensional color, and a coating method therefor.
【０００２】[0002]
【従来の技術とその課題】これまで、アルミニウム、マ
イカおよび雲母状酸化鉄などのメタリック顔料を配合し
たメタリック塗料は、これまでのソリッドカラー塗料に
比べて意匠性がすぐれているとして自動車などの外板部
に多く塗装されている。しかしながら、近年、ユーザー
ニーズが多様化し、光輝性（キラキラと輝くこと）はそ
れほど必要とせず、緻密で微細なメタリック感を示し、
そして立体感をも持つ、変化に富んだ質感にあふれる塗
膜を形成するメタリック塗料の開発が強く望まれてい
る。ところが、上記の従来のメタリック塗料では光輝性
が強すぎ、特に、中〜濃彩色域の塗膜ではメタリック粒
子が大きく感じられてメタリック感が粗く、緻密性に欠
けると言う欠陥があり、上記ニーズを満足できない。ま
た、アルミニウム顔料では光輝性が平面的であるため、
立体感に乏しい。2. Description of the Related Art Metallic paints containing metallic pigments such as aluminum, mica and micaceous iron oxide have been considered to be superior in design to conventional solid color paints. A lot of paint is applied to the board. However, in recent years, the needs of users have diversified, and glittering (shining) is not required so much, showing a fine and fine metallic feeling,
It is strongly desired to develop a metallic paint that forms a coating film that has a three-dimensional effect and is rich in a variety of textures. However, the above-mentioned conventional metallic paint has too strong glitter, and particularly in a coating film in a medium to dark color gamut, the metallic particles are large and the metallic feeling is rough, and there is a defect that the density is lacking. Can't be satisfied. In addition, since the brightness of aluminum pigment is flat,
Poor three-dimensional effect.
【０００３】[0003]
【課題を解決するための手段】本発明は上記の要望を満
たすメタリック塗料の開発とその塗装法に関する。すな
わち、本発明は、 メタリック顔料として六方晶系窒化硼素粉末を配合し
てなることを特徴とするメタリック塗料、および 該メタリック塗料を塗装し、次いで該塗面にクリヤー
塗料を塗装することを特徴とする塗装法、に関する。SUMMARY OF THE INVENTION The present invention relates to the development of a metallic paint that satisfies the above-mentioned needs and a coating method therefor. That is, the present invention is characterized in that a metallic paint comprising a hexagonal boron nitride powder as a metallic pigment is blended, and that the metallic paint is applied, and then a clear paint is applied to the applied surface. Coating method.
【０００４】本発明で用いる六方晶系窒化硼素粉末（以
下、「ＢＮ粉末」と略称することがある）は、硼素また
はそれを含む化合物と窒素またはそれを含む化合物とを
反応せしめることによって得られ、それ自体既知のもの
が使用できる。これらは、潤滑、離型性、電気絶縁性な
どがすぐれているために、これらの性能が要求される分
野に用いられていた。しかしながら、ＢＮ粉末が、かか
る性能が殆ど要求されないメタリック塗料のメタリック
顔料として利用でき、しかも上記した欠陥を解消するの
に極めて有効であることは新規であると同時に全くの予
想外であった。The hexagonal boron nitride powder used in the present invention (hereinafter sometimes abbreviated as "BN powder") is obtained by reacting boron or a compound containing it with nitrogen or a compound containing it. , Those known per se can be used. Since these are excellent in lubricity, releasability, electric insulation, etc., they have been used in fields requiring these performances. However, it was new and totally unexpected that the BN powder can be used as a metallic pigment of a metallic paint which is not required to have such performance and is extremely effective in eliminating the above-mentioned defects.
【０００５】本発明で用いるＢＮ粉末の形状はりん片状
であることが好ましく、また粒径（直径）は１〜２００
μ、特に５〜５０μの範囲が適している。そして、ＢＮ
粉末の表面を、ヌレ向上などのために親水化処理してお
くことも可能である。The BN powder used in the present invention preferably has a flaky shape, and the particle size (diameter) is 1 to 200.
A range of μ, in particular 5 to 50 μ is suitable. And BN
It is also possible to subject the surface of the powder to hydrophilic treatment in order to improve wetting.
【０００６】本発明のメタリック塗料の特徴は、メタリ
ック顔料として上記のＢＮ粉末を配合したところにあっ
て、さらに具体的には、熱硬化性樹脂組成物およびＢＮ
粉末を主成分とする塗料である。A feature of the metallic paint of the present invention is that the above-mentioned BN powder is blended as a metallic pigment, and more specifically, a thermosetting resin composition and BN.
It is a paint whose main component is powder.
【０００７】該熱硬化性樹脂組成物は基体樹脂と硬化剤
とからなっている。基体樹脂としては架橋性官能基（例
えば、水酸基、カルボキシル基、エポキシ基、グリシジ
ル基など）を有する塗料用樹脂、たとえばアクリル樹
脂、ポリエステル樹脂およびアルキド樹脂などがあげら
れ、架橋剤としては該基体樹脂と架橋反応し得るメチロ
ール化および（または）アルキルエーテル化メラミン樹
脂や尿素樹脂、ポリイソシアネート化合物（ブロック化
物も含む）などが好ましい。これらの構成比率は特に制
限されないが、両成分の合計固形分重量比にもとづい
て、基体樹脂は５０〜９０％、硬化剤は５０〜１０％が
適している。そして、該樹脂組成物は塗料用有機溶剤お
よび（または）水に溶解または分散して使用する。The thermosetting resin composition comprises a base resin and a curing agent. Examples of the base resin include paint resins having a crosslinkable functional group (for example, hydroxyl group, carboxyl group, epoxy group, glycidyl group, etc.), such as acrylic resin, polyester resin and alkyd resin, and the crosslinking agent is the base resin. Methylol- and / or alkyletherified melamine resins, urea resins, polyisocyanate compounds (including blocked compounds) and the like that can undergo a crosslinking reaction with are preferable. The composition ratio of these is not particularly limited, but 50 to 90% is suitable for the base resin and 50 to 10% is suitable for the curing agent based on the total solid content weight ratio of both components. The resin composition is used by being dissolved or dispersed in an organic solvent for paint and / or water.
【０００８】本発明において、ＢＮ粉末の配合量は任意
に選択できるが、上記樹脂組成物の固形分１００重量部
あたり、１〜５０重量部、特に５〜２５重量部が適して
いる。そして、ＢＮ粉末を上記樹脂組成物の溶液または
分散液に分散せしめる方法も特に制限なく、たとえば、
ディスパーなどの低シェアー撹拌またはペブルミル分
散、サンドミル分散シェーカー分散およびロールミル分
散などの高シェアー撹拌のいずれで分散してもさしつか
えない。In the present invention, the blending amount of the BN powder can be arbitrarily selected, but 1 to 50 parts by weight, particularly 5 to 25 parts by weight is suitable per 100 parts by weight of the solid content of the resin composition. The method of dispersing the BN powder in the solution or dispersion of the resin composition is not particularly limited, and, for example,
It may be dispersed by any of low shear stirring such as disper or high shear stirring such as pebble mill dispersion, sand mill dispersion shaker dispersion and roll mill dispersion.
【０００９】本発明のメタリック塗料は上記のごとく、
ＢＮ粉末を樹脂組成物の溶液または分散液に分散せしめ
ることによって得られるが、さらに必要に応じて着色顔
料、他のメタリック顔料（例えばアルミニウム顔料、雲
母状酸化鉄顔料など）および干渉色顔料（例えばマイ
カ、金属酸化鉄被覆マイカなど）などから選ばれた１種
または２種以上を、ＢＮ粉末によるメタリック感を阻害
しない程度に配合できる。The metallic paint of the present invention is as described above.
It is obtained by dispersing BN powder in a solution or dispersion of a resin composition, and if necessary, a color pigment, another metallic pigment (for example, aluminum pigment, mica-like iron oxide pigment, etc.) and an interference color pigment (for example, One kind or two or more kinds selected from mica, metallic iron oxide-coated mica, etc.) can be blended to such an extent that the metallic feeling of BN powder is not impaired.
【００１０】本発明のメタリック塗料の形態は有機溶液
型、ハイソリッド型、非水分散液型、水溶液型および水
分散液型などがあげられ、それ自体既知の方法で調製で
きる。本発明のメタリック塗装法は上記本発明のメタリ
ック塗料を塗装し、さらにその塗面にクリヤー塗料を塗
装するところに特徴がある。The metallic paint of the present invention may be in the form of an organic solution type, a high solid type, a non-aqueous dispersion type, an aqueous solution type and an aqueous dispersion type, and can be prepared by a method known per se. The metallic coating method of the present invention is characterized in that the metallic coating material of the present invention is applied, and then a clear coating is applied on the coated surface.
【００１１】クリヤー塗料は基礎体樹脂および架橋剤を
主成分とし、さらに必要に応じて有機溶剤、水、顔料な
どを配合してなる透明塗膜を形成する塗料であって、そ
れ自体既知のものが用いられる。The clear coating composition is a coating composition which comprises a base resin and a cross-linking agent as main components and, if necessary, an organic solvent, water, a pigment and the like to form a transparent coating film, which is known per se. Is used.
【００１２】クリヤー塗料における基体樹脂は耐候性、
平滑性および鮮映性などにすぐれた塗膜を形成するもの
が好ましく、例えば、アクリル樹脂、ポリエステル樹
脂、アルキド樹脂およびフッ素樹脂などがあげられ、こ
れらは架橋剤と反応する官能基（例えば、水酸基、カル
ボキシル基、エポキシ基、グリシジル基など）を有して
いることが好ましい。架橋剤は該基体樹脂と反応し、三
次元に架橋硬化させるためのもので、具体的には、メチ
ロール化および（または）アルキルエーテルメラミン樹
脂や尿素樹脂、ポリイソシアネート化合物（ブロック化
物も含む）などがあげられる。The base resin in the clear coating is weather resistant,
Those that form a coating film excellent in smoothness and image clarity are preferable, and examples thereof include acrylic resin, polyester resin, alkyd resin, and fluororesin. These are functional groups that react with a crosslinking agent (for example, hydroxyl group). , Carboxyl group, epoxy group, glycidyl group, etc.). The cross-linking agent is for reacting with the base resin to three-dimensionally cross-link and cure. Specifically, it is methylolated and / or alkyl ether melamine resin, urea resin, polyisocyanate compound (including blocked compounds), etc. Can be given.
【００１３】該クリヤー塗料には、着色顔料やメタリッ
ク顔料などを塗膜の透明感を阻害しない程度に配合でき
る。また、該クリヤー塗料の形態は粉体型であってもよ
いが、有機溶剤および（または）水を溶媒または分散媒
とする液状が好ましい。本発明の塗装法は上記したメタ
リック塗料およびクリヤー塗料を塗装するところに特徴
がある。具体的には、被塗物（例えば金属やプラスチッ
クなど）の表面を必要に応じて既知の方法で表面処理
し、次いでプライマー塗装および中塗塗装を行った後、
上記メタリック塗料を塗装する。メタリック塗料の塗装
膜厚は硬化塗膜にもとづいて特に１０〜４０μが適して
いる。該メタリック塗膜を常温〜１６０℃において架橋
硬化させたのち、または架橋硬化させずに、該メタリッ
ク塗面に上記クリヤー塗料を塗装する。クリヤー塗膜は
硬化塗膜にもとづいて２０〜１００μの範囲が適してい
る。Coloring pigments and metallic pigments can be added to the clear coating material to such an extent that the transparency of the coating film is not impaired. The form of the clear paint may be a powder type, but a liquid form using an organic solvent and / or water as a solvent or a dispersion medium is preferable. The coating method of the present invention is characterized by coating the above metallic paint and clear paint. Specifically, the surface of the article to be coated (for example, metal or plastic) is surface-treated by a known method as needed, and then, after primer coating and intermediate coating,
Apply the above metallic paint. The coating thickness of the metallic paint is preferably 10 to 40 μm based on the cured coating film. After the metallic coating film is crosslinked and cured at room temperature to 160 ° C. or not, the clear coating is applied to the metallic coating surface. The clear coating film is preferably in the range of 20 to 100 μm based on the cured coating film.
【００１４】クリヤー塗料を塗装後、室温〜１６０℃で
硬化させることが好ましい。クリヤー塗膜は単一層でよ
いが、必要に応じて２層以上であってもよい。After the clear coating is applied, it is preferable to cure at room temperature to 160 ° C. The clear coating film may be a single layer, but may be two or more layers if necessary.
【００１５】本発明のメタリック塗料および塗装方法に
よって形成される塗膜は光輝感が柔らかく、微細でかつ
緻密なメタリック感を示し、しかも立体感がすぐれてい
る。カラーベースを用いる塗装系において、カラーベー
スの色相および明度などになんら影響されることなくす
べての色域において微細でかつ緻密なメタリック感を呈
し、透明感にすぐれた色調に仕上げられる。The metallic paint and the coating film formed by the coating method of the present invention have a soft glittering feeling, a fine and dense metallic feeling, and an excellent three-dimensional effect. In a coating system using a color base, a fine and dense metallic feeling is exhibited in all color gamuts without being affected by the hue and lightness of the color base, and a color tone excellent in transparency is finished.
【００１６】以下本発明に関する実施例および比較例に
ついて説明する。なお、部および％はいずれも原則とし
て重量にもとづく。Examples and comparative examples relating to the present invention will be described below. All parts and percentages are based on weight in principle.
【００１７】[0017]
実施例１ メタリック塗料 スチレン１５％、メチルメタクリレート１５％、ブチル
メタクリレート４０％、２−エチルヘキシルアクリレー
ト１３％、ヒドキシエチルメタクリレート１５％および
アクリル酸２％を重合開始剤アゾビスイソブチロニトリ
ルを用いてキシロール中で共重合せしめて、加熱残分５
０％、溶液粘度Ｙ（ガードナー、２５℃）のアクリル樹
脂溶液ＡＣ−１を得た。Example 1 Metallic paint 15% styrene, 15% methyl methacrylate, 40% butyl methacrylate, 13% 2-ethylhexyl acrylate, 15% hydroxyethyl methacrylate and 2% acrylic acid using the polymerization initiator azobisisobutyronitrile. Copolymerized in xylol and heated residue 5
An acrylic resin solution AC-1 having 0% and a solution viscosity Y (Gardner, 25 ° C.) was obtained.
【００１８】このアクリル樹脂溶液ＡＣ−１ １４０
部、６０％メラミンフォルムアルデヒド樹脂（三井東圧
化学（株）製、商品名、ユーバン２８ＳＥ）５０部、六
方晶系窒化硼素粉末（川崎製鉄製、六方晶系窒化硼素Ｈ
Ｐ−１、りん片結晶構造を有し、平均粒径８〜１２μ）
１５部およびカーボンブラック２．５部を混合分散した
のち、酢酸エチル３５％、トルエン３５％、イソブタノ
ール１０％およびスワゾール１０００（コスモ石油製、
商品名）２０％からなる混合溶剤で粘度１４秒（フォー
ドカップ＃４／２０℃）に調整した。This acrylic resin solution AC-1140
Part, 60% melamine formaldehyde resin (Mitsui Toatsu Chemicals, Inc., trade name, Uban 28SE) 50 parts, hexagonal boron nitride powder (Kawasaki Steel, hexagonal boron nitride H)
P-1, has a scaly crystal structure, and an average particle size of 8 to 12 μ)
After mixing and dispersing 15 parts and 2.5 parts of carbon black, ethyl acetate 35%, toluene 35%, isobutanol 10% and Swazol 1000 (manufactured by Cosmo Oil,
The viscosity was adjusted to 14 seconds (Ford cup # 4/20 ° C.) with a mixed solvent consisting of 20% (trade name).
【００１９】比較例１ 実施例１における六方晶系窒化硼素全量をホワイトマイ
カ５部に変更した以外、すべて実施例１と同様にして製
造し、比較用塗料１とした。Comparative Example 1 Comparative coating 1 was prepared in the same manner as in Example 1 except that the total amount of hexagonal boron nitride in Example 1 was changed to 5 parts of white mica.
【００２０】実施例２ アクリル樹脂ＡＣ−１ １４０部、ユーバン２８ＳＥ
５０部および六方晶系窒化硼素粉末（同上）１５部を実
施例１と同様にして混合分散し、次いで粘度調整して本
発明で用いるメタリック塗料を得た。該メタリック塗料
をホワイトカラーベース塗面に塗装し（硬化塗膜にもと
づく膜厚は２０μ）、硬化することなく該塗面にアクリ
ル樹脂・メラミン樹脂系クリヤー塗料を塗装し（膜厚４
０μ）１４０℃に加熱して両塗膜を同時に硬化せしめ
た。Example 2 Acrylic resin AC-1 140 parts, U-ban 28SE
50 parts and 15 parts of hexagonal boron nitride powder (same as above) were mixed and dispersed in the same manner as in Example 1, and then the viscosity was adjusted to obtain a metallic coating used in the present invention. The metallic paint is applied to the white color base coating surface (the film thickness based on the cured coating film is 20μ), and the acrylic resin / melamine resin-based clear coating material is applied to the coating surface without curing (film thickness 4
0 μ) was heated to 140 ° C. to simultaneously cure both coating films.
【００２１】比較例２ 実施例２における六方晶系窒化硼素粉末の全量をホワイ
トマイカ１５部に変更した以外は実施例２と同じ様にし
て塗料を製造し、塗装し加熱硬化せしめて比較例２とし
た。Comparative Example 2 A coating material was prepared in the same manner as in Example 2 except that the total amount of the hexagonal boron nitride powder in Example 2 was changed to 15 parts of white mica, and coating and heat curing were carried out. And
【００２２】試験結果 上記実施例および比較例で得た塗膜について目視で評価
した。その結果、実施例は太陽光直射のもとでは微細な
粒子感による緻密でしかも柔らかなメタリック感を呈
し、さらに立体的色感を持つ変化に富んだ独特の外観を
有しており、そして、これを日陰で見るとメタリック感
が消え、ソリッド調に変わる。これに対して、比較例１
の塗膜は光輝性がすぐれているが、微小粒子を用いてい
るにもかかわらずメタリックの粒子感が大きく緻密性に
劣るものであった。Test Results The coating films obtained in the above Examples and Comparative Examples were visually evaluated. As a result, the examples exhibit a dense yet soft metallic feeling due to the feeling of fine particles under direct sunlight, and have a unique appearance rich in variation with a three-dimensional color feeling, and, If you look at this in the shade, the metallic feeling disappears and it changes to a solid tone. On the other hand, Comparative Example 1
The coating film of No. 2 had excellent glitter, but the metallic particle feeling was large and the denseness was inferior despite the use of fine particles.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 山田 憲弘 愛知県西加茂郡三好町大字莇生字平地１番 地 関西ペイント株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Norihiro Yamada No. 1 flat land in Sakai, Miyoshi-cho, Nishikamo-gun, Aichi Kansai Paint Co., Ltd.
Claims (2)
粉末を配合してなることを特徴とするメタリック塗料。1. A metallic paint comprising a hexagonal boron nitride powder as a metallic pigment.
し、ついでクリヤー塗料を塗装することを特徴とする塗
装法。2. A coating method comprising applying the metallic paint according to claim 1 and then applying a clear paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32808091A JPH05140486A (en) | 1991-11-15 | 1991-11-15 | Metallic paint and method for coating therewith |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32808091A JPH05140486A (en) | 1991-11-15 | 1991-11-15 | Metallic paint and method for coating therewith |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05140486A true JPH05140486A (en) | 1993-06-08 |
Family
ID=18206292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32808091A Pending JPH05140486A (en) | 1991-11-15 | 1991-11-15 | Metallic paint and method for coating therewith |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05140486A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2445458A (en) * | 2007-01-04 | 2008-07-09 | Goodrich Corp | Polymeric film comprising hexagonal boron nitride |
| US8962130B2 (en) | 2006-03-10 | 2015-02-24 | Rohr, Inc. | Low density lightning strike protection for use in airplanes |
| JP2020527189A (en) * | 2017-07-18 | 2020-09-03 | ビーエーエスエフ コーティングス ゲゼルシャフト ミット ベシュレンクテル ハフツングＢＡＳＦ Ｃｏａｔｉｎｇｓ ＧｍｂＨ | Low-temperature curing 1K base coat and a method for coating a base material having the 1K base coat |
-
1991
- 1991-11-15 JP JP32808091A patent/JPH05140486A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8962130B2 (en) | 2006-03-10 | 2015-02-24 | Rohr, Inc. | Low density lightning strike protection for use in airplanes |
| GB2445458A (en) * | 2007-01-04 | 2008-07-09 | Goodrich Corp | Polymeric film comprising hexagonal boron nitride |
| GB2445458B (en) * | 2007-01-04 | 2010-02-24 | Goodrich Corp | Electrothermal heater comprising thermally conducting film comprising polymer material and hexagonal boron nitride |
| JP2020527189A (en) * | 2017-07-18 | 2020-09-03 | ビーエーエスエフ コーティングス ゲゼルシャフト ミット ベシュレンクテル ハフツングＢＡＳＦ Ｃｏａｔｉｎｇｓ ＧｍｂＨ | Low-temperature curing 1K base coat and a method for coating a base material having the 1K base coat |
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