JPH10328615A - Compound layer film forming method - Google Patents
Compound layer film forming methodInfo
- Publication number
- JPH10328615A JPH10328615A JP13950597A JP13950597A JPH10328615A JP H10328615 A JPH10328615 A JP H10328615A JP 13950597 A JP13950597 A JP 13950597A JP 13950597 A JP13950597 A JP 13950597A JP H10328615 A JPH10328615 A JP H10328615A
- Authority
- JP
- Japan
- Prior art keywords
- paint
- resin
- metallic
- coating material
- coating film
- 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.)
- Granted
Links
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、着色ベ−ス塗料
（特に、チタン白顔料およびアルミニウムフレ−クを含
む白色ベ−ス塗料）、酸化アルミニウムフレ−クを含む
メタリック塗料およびクリヤ塗料を順次塗装して、パ−
ル調で、しかもメタリック感がすぐれた複層塗膜の形成
法に関する。The present invention relates to a colored base paint (particularly a white base paint containing titanium white pigment and aluminum flake), a metallic paint containing aluminum oxide flake and a clear paint. Paint and par
The present invention relates to a method for forming a multi-layered coating film having a luster tone and excellent metallic feeling.
【０００２】[0002]
【従来の技術とその課題】チタン白顔料およびアルミニ
ウムフレ−クを含む白色ベ−ス塗料、酸化チタンで被覆
されたりん片状雲母粉末を配合した塗料およびクリヤ塗
料を順次塗装して、複層塗膜を形成する方法はすでに知
られている（例えば、特許第２６０５１３号参照）。2. Description of the Related Art A white base paint containing titanium white pigment and aluminum flake, a paint containing flaky mica powder coated with titanium oxide, and a clear paint are successively applied to form a multilayer. A method for forming a coating film is already known (for example, see Japanese Patent No. 260513).
【０００３】しかしながら、この複層塗膜は、高白度真
珠光沢感や色味安定性などはすぐれれいるが、キラキラ
としたメタリック感が劣るという欠陥を有しており、そ
の使用範囲が制限されている。[0003] However, this multilayer coating film is excellent in high whiteness pearl luster and color stability, but has a defect that the glittering metallic feeling is inferior, and its use range is limited. Have been.
【０００４】[0004]
【課題を解決するための手段】本発明の目的は、着色ベ
−ス塗膜を基調とし、パ−ル調で、かつメタリック感の
すぐれた新規な複層塗膜の形成法を提供することであ
る。SUMMARY OF THE INVENTION An object of the present invention is to provide a novel method for forming a multilayer coating film which is based on a color-based coating film, has a pearly tone, and has an excellent metallic feeling. It is.
【０００５】すなわち、本発明は、着色ベ−ス塗料
（Ａ）、酸化アルミニウムフレ−クを含むメタリック塗
料（Ｂ）およびクリヤ塗料（Ｃ）を塗装することを特徴
とする複層塗膜形成法（以下、「本方法」という）を提
供するものである。That is, the present invention provides a method for forming a multilayer coating film, which comprises applying a colored base paint (A), a metallic paint (B) containing aluminum oxide flakes, and a clear paint (C). (Hereinafter referred to as “the method”).
【０００６】本方法について、さらに詳細に説明する。The method will be described in more detail.
【０００７】着色ベ−ス塗料（Ａ）：メタリック塗料
（Ｂ）に先立って、被塗物に塗装する塗料であり、樹脂
成分、着色顔料、溶剤を含有し、さらに必要に応じて体
質顔料およびその他の塗料用添加剤などを配合してなる
熱硬化性液状塗料である。 Colored base paint (A ): A paint to be applied to an object to be coated prior to the metallic paint (B), which contains a resin component, a color pigment, a solvent, and, if necessary, an extender pigment and It is a thermosetting liquid paint containing other paint additives.
【０００８】着色ベ−ス塗料（Ａ）の色調は、何等制限
されず、有彩色および無彩色のいずれでもよいが、特
に、チタン白顔料およびアルミニウムフレ−クを含み、
この両顔料成分により、マンセルカラ−チャ−トでＮ７
〜Ｎ９の範囲内の白色系塗膜を形成する熱硬化型の白色
ベ−ス塗料を使用すると、白色系で、かつキラキラとし
た光輝性にすぐれた複層塗膜を形成できるので、より好
ましい。[0008] The color tone of the colored base paint (A) is not limited at all, and may be either chromatic or achromatic. Particularly, it contains titanium white pigment and aluminum flake.
By both pigment components, N7 is obtained in Munsell color chart.
The use of a thermosetting white base paint which forms a white coating film in the range of from N9 to N9 is more preferable because a white coating film having excellent glitter can be formed. .
【０００９】かかる白色ベ−ス塗料としては、樹脂成
分、溶剤、チタン白顔料およびアルミニウムフレ−クを
必須分として含有し、さらに必要に応じて他の着色顔
料、体質顔料およびその他の塗料用添加剤などを配合し
てなる熱硬化性液状塗料が好適である。Such a white base paint contains a resin component, a solvent, a titanium white pigment and an aluminum flake as essential components, and further contains other coloring pigments, extenders and other paints as necessary. A thermosetting liquid paint containing an agent or the like is suitable.
【００１０】この塗料（Ａ）における樹脂成分としては
熱硬化性樹脂組成物が好ましく、具体的には、架橋性官
能基を有するアクリル樹脂、ポリエステル樹脂、アルキ
ド樹脂ウレタン樹脂などの基体樹脂を、メラミン樹脂、
尿素樹脂、ポリイソシアネ−ト化合物（ブロック体も含
む）などの架橋剤と併用したものがあげられ、これらは
有機溶剤および／または水などの溶剤に溶解または分散
して使用される。The resin component in the paint (A) is preferably a thermosetting resin composition. Specifically, a base resin such as an acrylic resin having a crosslinkable functional group, a polyester resin, an alkyd resin or a urethane resin is used. resin,
Examples thereof include those used in combination with a crosslinking agent such as a urea resin and a polyisocyanate compound (including a block body), and these are dissolved or dispersed in a solvent such as an organic solvent and / or water.
【００１１】チタン白顔料は二酸化チタンを主成分とす
る白色顔料であり、その粒径が０．２〜０．３５μｍ、
特に０．２５〜０．３０μｍの範囲内にあるものが好ま
しい。また、アルミニウムフレ−クはりん片状の金属ア
ルミニウムであって、通常、その厚さが０．１〜１．０
μｍ、特に０．２〜０．５μｍの範囲内にあり、そして
粒径が１〜２０μｍの範囲内および、平均粒径が１０μ
ｍ以下であるものが好ましい。The titanium white pigment is a white pigment containing titanium dioxide as a main component and has a particle diameter of 0.2 to 0.35 μm.
In particular, those having a range of 0.25 to 0.30 μm are preferable. The aluminum flake is flake-shaped metallic aluminum, and usually has a thickness of 0.1 to 1.0.
μm, especially in the range of 0.2-0.5 μm, and the particle size is in the range of 1-20 μm, and the average particle size is 10 μm.
m or less is preferable.
【００１２】白色ベ−ス塗料の単独硬化塗膜は、チタン
白顔料およびアルミニウムフレ−クを含有し、しかもそ
の着色度合いをマンセルカラ−チャ−トに基いてＮ７〜
Ｎ９、好ましくはＮ７．５〜Ｎ８．８の範囲内にあるこ
とが好ましい。そのためには、一般に、チタン白顔料１
００重量部あたり、アルミニウムフレ−クを好ましくは
０．３〜１０重量部、特に好ましくは０．５〜５重量部
の比率で含有し、かつ上記両顔料成分の合計量が樹脂成
分の固形分１００重量部あたり４０〜２５０重量部、特
に８０〜１５０重量部の範囲内になるような割合で使用
することが好ましい。チタン白顔料およびアルミニウム
フレ−クの配合量をかかる範囲内に調整することによっ
て、光輝感がなく、しかも白色乃至薄灰色の塗膜が形成
され、しかも隠蔽性も良好である。The single cured coating film of a white base paint contains a titanium white pigment and an aluminum flake, and its coloring degree is determined to be N7 to N7 based on the Munsell color chart.
It is preferably in the range of N9, preferably N7.5 to N8.8. For this purpose, generally, titanium white pigment 1
The aluminum flake is preferably contained in an amount of 0.3 to 10 parts by weight, particularly preferably 0.5 to 5 parts by weight, per 100 parts by weight, and the total amount of both pigment components is the solid content of the resin component. It is preferable to use such a proportion that it falls within the range of 40 to 250 parts by weight, particularly 80 to 150 parts by weight per 100 parts by weight. By adjusting the amount of the titanium white pigment and the aluminum flake in the above range, a white or light gray coating film having no glitter is formed, and the concealing property is also good.
【００１３】本方法において、着色ベ−ス塗料（Ａ）
は、金属やプラスチックなどの被塗物に直接塗装しても
差支えないが、通常、これらの被塗物に下塗塗料（例え
ばカチオン電着塗料など）や中塗塗料などをあらかじめ
塗装し、硬化させてなる被塗物に塗装することが好まし
い。In the present method, the colored base paint (A)
Can be applied directly to the object to be coated such as metal or plastic, but usually, these objects are pre-coated with an undercoat paint (for example, cationic electrodeposition paint) or an intermediate paint and cured. It is preferable to apply it to an object to be coated.
【００１４】着色ベ−ス塗料（Ａ）は、静電塗装、エア
−スプレ−、エアレススプレ−などの方法で塗装するこ
とができ、その膜厚は硬化塗膜に基いて一般に５〜２０
μｍの範囲内が好ましい。該塗膜それ自体は約１００〜
約１７０℃の温度で架橋硬化させることができ、本方法
では架橋硬化させてから、または架橋硬化させることな
く未架橋硬化の該塗面に、下記のメタリック塗料（Ｂ）
を塗装する。The colored base paint (A) can be applied by a method such as electrostatic coating, air spray, airless spray and the like.
It is preferably within the range of μm. The coating itself is about 100-
The cross-linking and curing can be performed at a temperature of about 170 ° C. In the present method, the following metallic coating (B)
To paint.
【００１５】メタリック塗料（Ｂ）：酸化アルミニウム
フレ−クを含むメタリック塗料（Ｂ）で、上記着色ベ−
ス塗料（Ａ）の硬化もしくは未硬化の塗面に塗装する、
キラキラとした光輝感を有し、かつパ−ル調の塗膜を形
成する塗料であり、樹脂成分、酸化アルミニウムフレ−
クおよび溶剤を主成分とし、さらに必要に応じて着色顔
料、体質顔料およびその他の塗料用添加剤などを配合し
てなる液状塗料である。 Metallic paint (B ): A metallic paint (B) containing aluminum oxide flakes, and the colored base
Paint on the cured or uncured surface of the paint (A),
It is a paint that has a glittering glitter and forms a pearly coating film.
And a solvent as a main component, and further, if necessary, a coloring pigment, an extender pigment, and other paint additives.
【００１６】メタリック塗料（Ｂ）に用いられる、樹脂
成分としては熱硬化性樹脂組成物が好ましく、具体的に
は架橋性官能基を有するアクリル樹脂、ポリエステル樹
脂、アルキド樹脂、ウレタン樹脂などの基体樹脂を、メ
ラミン樹脂、尿素樹脂、ポリイソシアネ−ト化合物（ブ
ロック体も含む）などの架橋剤と併用したものがあげら
れ、これらは有機溶剤および／または水に溶解もしくは
分散して使用することができる。The resin component used in the metallic paint (B) is preferably a thermosetting resin composition, and specifically, a base resin such as an acrylic resin, a polyester resin, an alkyd resin, or a urethane resin having a crosslinkable functional group. Is used in combination with a crosslinking agent such as a melamine resin, a urea resin, and a polyisocyanate compound (including a block body). These can be used by dissolving or dispersing in an organic solvent and / or water.
【００１７】酸化アルミニウムフレ−クは、酸化アルミ
ニウム（Ａｌ2 Ｏ3 ）を主成分とし、このものはアルミ
ナとも称され、形状はフレ−ク状であり、その厚さは
０．１〜１．０μｍ、特に０．２〜０．５μｍ、長手方
向寸法は２〜５０μｍ、特に１０〜３０μｍであること
が好ましい。この酸化アルミニウムフレ−クは表面が平
滑で、これを含む塗膜は、雲母フレ−ク含有塗膜に比べ
てキラキラしており、すぐれた光輝感を有している。ま
た、この酸化アルミニウムフレ−クは、その表面を酸化
チタンなどの金属酸化物で被覆しておくと、パ−ル調も
しくは光干渉作用を呈するので好ましい。The aluminum oxide flake has aluminum oxide (Al 2 O 3 ) as a main component, which is also called alumina, has a flake shape, and a thickness of 0.1 to 1. It is preferable that the length is 0 μm, particularly 0.2 to 0.5 μm, and the longitudinal dimension is 2 to 50 μm, particularly 10 to 30 μm. The aluminum oxide flake has a smooth surface, and the coating film containing the flakes is more brilliant than the mica flake-containing coating film and has excellent glitter. The aluminum oxide flakes are preferably coated with a metal oxide such as titanium oxide because the aluminum flakes exhibit a par tone or light interference effect.
【００１８】メタリック塗料（Ｂ）において、酸化アル
ミニウムフレ−クの配合量は、樹脂組成物の固形分１０
０重量部あたり、２〜１０重量部、特に５〜８重量部が
好ましい。In the metallic paint (B), the amount of the aluminum oxide flakes is set so that the solid content of the resin composition is 10%.
2 to 10 parts by weight, particularly 5 to 8 parts by weight, per 0 parts by weight is preferred.
【００１９】該塗料（Ｂ）は、樹脂組成物、酸化アルミ
ニウムフレ−クを有機溶剤または水など溶剤に混合分散
せしめることにより調製され、塗装時の固形分含有率を
２０〜６０重量％、好ましくは２５〜５０重量％で、粘
度を１０〜３０秒／フォ−ドカップ＃４／２０℃に調整
しておくことが好ましい。The coating material (B) is prepared by mixing and dispersing the resin composition and aluminum oxide flake in a solvent such as an organic solvent or water, and has a solid content of 20 to 60% by weight at the time of coating, preferably. Is preferably 25 to 50% by weight, and the viscosity is preferably adjusted to 10 to 30 seconds / ford cup # 4/20 ° C.
【００２０】メタリック塗料（Ｂ）は、上記の着色ベ−
ス塗料（Ａ）の硬化もしくは未硬化の塗面に、エアスプ
レ−、エアレススプレ−または静電塗装機などで、硬化
塗膜に基く膜厚が、例えば１５以上、２０〜７０μｍに
なるように塗装することが好ましい。[0020] The metallic paint (B) is a colored base as described above.
Coating the cured or uncured coating surface of the paint (A) with an air spray, airless spray or electrostatic coating machine so that the film thickness based on the cured coating film is, for example, 15 or more and 20 to 70 μm. Is preferred.
【００２１】本方法において、上記の着色ベ−ス塗料
（Ａ）、特に白色ベ−ス塗料は隠蔽性がすぐれているの
で、メタリック塗料（Ｂ）との合計硬化塗膜が４０μｍ
以下であっても隠蔽性は良好である。In the present method, the above-mentioned colored base paint (A), especially a white base paint, has excellent concealing properties, so that the total cured coating film with the metallic paint (B) has a thickness of 40 μm.
The concealing property is good even if it is below.
【００２２】本方法は、このように塗装してなるメタリ
ック塗料（Ｂ）の未硬化塗面に、もしくは１２０〜１７
０℃で１０〜６０分間加熱して架橋硬化させてなる塗面
に、下記のクリヤ塗料（Ｃ）を塗装する。The present method is applied to the uncured coated surface of the metallic paint (B) coated in this manner, or to 120 to 17
The following clear coating (C) is applied to the coating surface which has been crosslinked and cured by heating at 0 ° C. for 10 to 60 minutes.
【００２３】クリヤ塗料（Ｃ）：クリヤ塗料（Ｃ）は、
メタリック塗料（Ｂ）の未硬化の、もしくは架橋硬化さ
せてなる塗面に塗装する塗料であり、樹脂成分および溶
剤を主成分とし、さらに必要に応じて該塗膜の透明感を
損なわない程度で着色顔料およびその他の塗料用添加剤
などを配合してなる無色もしくは有色の透明塗膜を形成
する液状塗料である。 Clear paint (C ): The clear paint (C) is
A paint to be applied to an uncured or cross-linked cured surface of the metallic paint (B), which contains a resin component and a solvent as main components and, if necessary, to such an extent that the transparency of the coating film is not impaired. It is a liquid paint that forms a colorless or colored transparent coating film, which is formed by mixing a coloring pigment and other paint additives.
【００２４】クリヤ塗料（Ｃ）で使用する樹脂成分は熱
硬化性樹脂組成物が好ましく、具体的には架橋性官能基
を有するアクリル樹脂、ポリエステル樹脂、アルキド樹
脂、ウレタン樹脂などの基体樹脂を、メラミン樹脂、尿
素樹脂およびポリイソシアネ−ト化合物（ブロック体も
含む）などの架橋剤と併用したものがあげられ、そして
上記溶剤としては有機溶剤および／または水を使用する
ことができる。The resin component used in the clear paint (C) is preferably a thermosetting resin composition. Specifically, a base resin such as an acrylic resin, a polyester resin, an alkyd resin, or a urethane resin having a crosslinkable functional group is used. Those used in combination with a crosslinking agent such as a melamine resin, a urea resin and a polyisocyanate compound (including a block body) can be mentioned, and as the solvent, an organic solvent and / or water can be used.
【００２５】クリヤ塗料（Ｃ）は、未硬化の、もしくは
架橋硬化させたメタリック塗料（Ｂ）の塗面に、静電塗
装、エア−スプレ−、エアレススプレ−などの方法で塗
装することができ、その膜厚は硬化塗膜に基いて１０〜
１００μｍの範囲内とするのが好ましい。該クリヤ塗料
（Ｃ）の塗膜それ自体は約１００〜約１７０℃の温度で
架橋硬化させることができる。The clear paint (C) can be applied to the uncured or crosslinked-cured metallic paint (B) by a method such as electrostatic coating, air spray, or airless spray. , Its film thickness is 10 to 10 based on the cured coating
It is preferable that the thickness be in the range of 100 μm. The coating of the clear paint (C) itself can be cross-linked and cured at a temperature of about 100 to about 170 ° C.
【００２６】本方法は、金属やプラスチックなどの被塗
物に直接、またはこれらの被塗物に下塗塗料（例えばカ
チオン電着塗料など）や中塗塗料（省略可能）などを塗
装し、硬化させてなる被塗物に着色ベ−ス塗料（Ａ）を
塗装し、該塗膜を架橋硬化させてから、または未架橋硬
化の該塗面に、メタリック塗料（Ｂ）を塗装し、該塗膜
を架橋硬化させてから、または未架橋硬化の該塗面に、
クリヤ塗料（Ｃ）を塗装し、ついで約１００〜約１７０
℃の温度で１０〜４０分間加熱して塗膜を硬化させてな
る、いわゆる、３コ−ト１ベイク方式（３Ｃ１Ｂ）、３
コ−ト２ベイク方式（３Ｃ２Ｂ）、および３コ−ト３ベ
イク方式（３Ｃ３Ｂ）による塗装方法により達成でき
る。In this method, an undercoat paint (for example, a cationic electrodeposition paint) or an intermediate paint (optional) is applied directly to an object to be coated such as a metal or a plastic or an object to be coated and cured. The coated base material is coated with a colored base coating material (A), and the coating film is cross-linked and cured, or the non-cross-linked cured coating surface is coated with a metallic coating material (B). After crosslinking and curing, or on the uncrosslinked cured coating surface,
Apply clear paint (C), then about 100 to about 170
So-called three-coat one-bake method (3C1B) obtained by heating at 10 ° C. for 10 to 40 minutes to cure the coating.
This can be achieved by a coating method using a coat 2 bake method (3C2B) and a 3 coat 3 bake method (3C3B).
【００２７】また、本方法は、上記３Ｃ１Ｂ、３Ｃ２Ｂ
において、これらの工程における室温放置のいずれか一
方またはすべてを約５０〜約１００℃の温度での予備乾
燥と代替することもできる。この予備乾燥は、各塗膜の
ゲル分率が６０重量％以下にとどまる程度で実施するの
が好ましい。Further, the present method is applicable to the above 3C1B, 3C2B
In the above, any one or all of the standing at room temperature in these steps can be replaced with preliminary drying at a temperature of about 50 to about 100 ° C. This predrying is preferably carried out to such an extent that the gel fraction of each coating film is not more than 60% by weight.
【００２８】[0028]
（１）パ−ル調で、かつメタリック感のすぐれた複層塗
膜が形成法できる。(1) A multilayer coating film having a pearly tone and excellent metallic feeling can be formed.
【００２９】（２）着色ベ−ス塗料（Ａ）として、チタ
ン白顔料およびアルミニウムフレ−クを含み、マンセル
カラ−チャ−トでＮ７〜Ｎ９の範囲内の白色系塗膜を形
成する白色ベ−ス塗料を使用すると、隠蔽性がすぐれ、
このベ−ス塗料（Ａ）およびメタリック塗料（Ｂ）から
なる塗膜の合計厚さが４０μｍ以下の薄膜であっても、
隠蔽性がすぐれ、白色で、パ−ル調で、かつメタリック
感のすぐれた複層塗膜が得られる。(2) As a colored base paint (A), a white base containing a titanium white pigment and aluminum flake and forming a white coating film in the range of N7 to N9 with a Munsell color chart. -When paint is used, concealment is excellent,
Even if the total thickness of the coating film composed of the base paint (A) and the metallic paint (B) is a thin film of 40 μm or less,
A multilayer coating film having excellent concealing properties, white color, par tone and excellent metallic feeling can be obtained.
【００３０】以下、本発明を実施例および比較例によっ
て、さらに具体的に説明する。なお、部および％は断ら
ない限り重量が基準である。Hereinafter, the present invention will be described more specifically with reference to Examples and Comparative Examples. Parts and percentages are by weight unless otherwise specified.
【００３１】１．試 料 １）被塗物 脱脂およびりん酸亜鉛処理した鋼板（ＪＩＳＧ３１４
１、大きさ４００×３００×０．８ｍｍ）にカチオン電
着塗料（「エレクロン９４００ＨＢ」、関西ペイント
（株）製、商品名、エポキシ樹脂ポリアミン系カチオン
樹脂に硬化剤としてブロックポリイソシアネ−ト化合物
を使用したもの）を常法により膜厚２０μｍ（硬化塗膜
として）になるように電着塗装し、１７０℃で２０分加
熱して架橋硬化させてから、該電着塗面に、中塗塗料
（「ル−ガベ−ク中塗りグレ−」、関西ペイント（株）
製、商品名、ポリエステル樹脂・メラミン樹脂系、有機
溶剤型）を膜厚３０μｍ（硬化塗膜として）になるよう
に塗装し、１４０℃で３０分加熱して架橋硬化させた。1. Sample 1) Coated object Degreasing and zinc phosphate treated steel sheet (JIS G314
1. Cationic electrodeposition paint (“ELECRON 9400HB”, manufactured by Kansai Paint Co., Ltd., trade name, epoxy resin polyamine-based cationic resin as a curing agent for block size isocyanate compound on 400 × 300 × 0.8 mm size) Is applied by a conventional method so as to have a film thickness of 20 μm (as a cured coating film), and is heated at 170 ° C. for 20 minutes for crosslinking and curing. ("LuGabeque middle coating gray", Kansai Paint Co., Ltd.)
(Trade name, polyester resin / melamine resin type, organic solvent type) was applied so as to have a thickness of 30 μm (as a cured coating film), and was heated at 140 ° C. for 30 minutes to be crosslinked and cured.
【００３２】３）着色ベ−ス塗料（Ａ−１）〜（Ａ−
２） 水酸基含有アクリル樹脂およびメラミン樹脂からなる樹
脂成分１００重量部（固形分）あたり、チタン白顔料、
アルミニウムフレ−クおよびカ−ボンブラックを表１に
示す比率で配合してなる有機溶剤型塗料。3) Colored base paints (A-1) to (A-
2) Per 100 parts by weight (solid content) of a resin component comprising a hydroxyl group-containing acrylic resin and a melamine resin, a titanium white pigment,
An organic solvent-type paint comprising aluminum flakes and carbon black in the proportions shown in Table 1.
【００３３】[0033]
【表１】 [Table 1]
【００３４】＊１）水酸基含有アクリル樹脂：水酸基価
１１０、数平均分子量２５０００。 ＊２）メラミン樹脂：ブチルエ−テル化メラミン樹脂 ＊３）チタン白顔料：帝国化工製、ルチル型酸化チタン
顔料、粒径０．２５〜０．３０μｍ ＊４）アルミニウムフレ−ク：東洋アルミニウム製、ノ
ンリ−フィングアルミペ−スト、厚さ０．２〜０．５μ
ｍ、平均粒径は１０μｍ以下。* 1) Hydroxyl group-containing acrylic resin: hydroxyl value 110, number average molecular weight 25,000. * 2) Melamine resin: butyletherified melamine resin * 3) Titanium white pigment: manufactured by Teikoku Kako, rutile type titanium oxide pigment, particle size: 0.25 to 0.30 μm * 4) Aluminum flake: manufactured by Toyo Aluminum Non-leafing aluminum paste, thickness 0.2-0.5μ
m, average particle size is 10 μm or less.
【００３５】４）メタリック塗料（Ｂ−１） 水酸基含有アクリル樹脂＊５）７０部、ブチル化メラミ
ン樹脂＊６）３０部および酸化アルミニウムフレ−ク
（厚さは０．２〜０．５μｍ、長手方向寸法は１０〜３
０μｍ）６部を配合してなる有機溶剤型塗料。固形分含
有率２０％。4) Metallic paint (B-1) 70 parts of hydroxyl-containing acrylic resin * 5), 30 parts of butylated melamine resin * 6) and 30 parts of aluminum oxide flake (thickness: 0.2 to 0.5 μm, longitudinal) Direction size is 10-3
(0 μm) An organic solvent type paint containing 6 parts. Solid content 20%.
【００３６】＊５）水酸基含有アクリル樹脂：水酸基価
１００、数平均分子量２００００。 ＊６）ブチル化メラミン樹脂：メチル・ブチル混合エ−
テル化メラミン樹脂 ５）メタリック塗料（Ｂ−２） 水酸基含有アクリル樹脂＊５）７０部、ブチル化メラミ
ン樹脂＊６）３０部およびホワイトマイカ（厚さは０．
２〜０．５μｍ、長手方向寸法は１０〜３０μｍ）８部
を配合してなる有機溶剤型塗料。固形分含有率２０％。* 5) Hydroxyl group-containing acrylic resin: hydroxyl value 100, number average molecular weight 20,000. * 6) Butylated melamine resin: Mixed methyl and butyl resin
Tellurized melamine resin 5) Metallic paint (B-2) Hydroxyl group-containing acrylic resin * 5) 70 parts, butylated melamine resin * 6) 30 parts, and white mica (thickness is 0.1%).
(2 to 0.5 μm, longitudinal dimension is 10 to 30 μm) 8 parts of an organic solvent type paint. Solid content 20%.
【００３７】６）クリヤ塗料（Ｃ） 「ル−ガベ−ククリヤ−」、関西ペイント（株）製、商
品名、アクリル樹脂・アミノ樹脂系、有機溶剤型。6) Clear paint (C) "Lugabe clear", manufactured by Kansai Paint Co., Ltd., trade name, acrylic resin / amino resin, organic solvent type.
【００３８】２．実施例および比較例 被塗物の中塗塗面に、着色ベ−ス塗料（Ａ−１）〜（Ａ
−２）をミニベル型回転式静電塗装機を用い、吐出量１
８０ｃｃ、回転数４００００ｒｐｍ、シェ−ピング圧１
Ｋｇ/ ｃｍ2 、ガン距離３０ｃｍ、コンベアスピ−ド
４．２ｍ／分、ブ−ス温度２０℃、ブ−ス湿度７５％で
塗装した。塗装膜厚は１０μｍ（硬化塗膜として）とし
た。2. Examples and Comparative Examples Colored base paints (A-1) to (A)
-2), using a mini-bell type rotary electrostatic coating machine, discharge amount 1
80cc, rotation speed 40000rpm, shaping pressure 1
The coating was performed at Kg / cm 2 , a gun distance of 30 cm, a conveyor speed of 4.2 m / min, a bus temperature of 20 ° C, and a bus humidity of 75%. The coating film thickness was 10 μm (as a cured coating film).
【００３９】該着色ベ−ス塗料の未硬化塗膜面に、メタ
リック塗料（Ｂ−１）〜（Ｂ−２）を２ステ−ジにてＲ
ＥＡガンを用い、吐出量１８０ｃｃ、１８０ｃｃ、霧化
圧２．５Ｋｇ/ ｃｍ2 、パタ−ン圧３．０Ｋｇ/ ｃ
ｍ2 、ガン距離３５ｃｍ、コンベアスピ−ド４．２ｍ／
分、ブ−ス温度２０℃、ブ−ス湿度７５％で塗装した。
各ステ−ジの膜厚は４〜５μｍ（硬化塗膜として）で、
合計８〜１０μｍである。その後、該メタリック塗料
（Ｂ−１）〜（Ｂ−２）の未硬化塗膜面に、クリヤ塗料
（Ｃ）を、ミニベル型回転式静電塗装機を用い、吐出量
３２０ｃｃ、回転数４００００ｒｐｍ、シェ−ピング圧
１．２Ｋｇ/ ｃｍ2 、ガン距離３０ｃｍ、コンベアスピ
−ド４．２ｍ／分、ブ−ス温度２０℃、ブ−ス湿度７５
％で塗装した。塗装膜厚は２５μｍ（硬化塗膜として）
である。The metallic paints (B-1) to (B-2) were applied to the uncured coating surface of the colored base paint in two stages by R
Using an EA gun, discharge rate 180 cc, 180 cc, atomization pressure 2.5 kg / cm 2 , pattern pressure 3.0 kg / c
m 2 , gun distance 35cm, conveyor speed 4.2m /
The coating was performed at a booth temperature of 20 ° C. and a booth humidity of 75% for one minute.
The thickness of each stage is 4-5 μm (as a cured coating)
The total is 8 to 10 μm. Thereafter, the clear paint (C) was applied to the uncured coating surface of each of the metallic paints (B-1) to (B-2) using a mini-bell-type rotating electrostatic coating machine at a discharge rate of 320 cc and a rotation speed of 40000 rpm. Shaping pressure 1.2 kg / cm 2 , gun distance 30 cm, conveyor speed 4.2 m / min, bus temperature 20 ° C, bus humidity 75
% Painted. The coating thickness is 25μm (as cured coating)
It is.
【００４０】室内で３分放置してから、熱風循環式乾燥
炉内において１４０℃で３０分間加熱して、着色ベ−ス
塗料、メタリック塗料およびクリヤ塗料からなる３層の
塗膜を同時に架橋硬化せしめた。After leaving it indoors for 3 minutes, it is heated at 140 ° C. for 30 minutes in a circulating hot air drying oven to simultaneously cross-link and cure the three-layer coating film composed of a colored base paint, a metallic paint and a clear paint. I was sorry.
【００４１】３．性能試験結果 上記塗料の塗装工程および得られた複層塗膜の性能試験
結果を表２に示す。3. Performance Test Results Table 2 shows the coating process of the paint and the performance test results of the obtained multilayer coating film.
【００４２】[0042]
【表２】 [Table 2]
【００４３】メタリック感およびパ−ル感は、得られた
複層塗膜を目視で判定した結果である。メタリック感：
○は良好、△は劣る、非常に劣る、パ−ル感：○は良
好、△は劣る、非常に劣る、を示す。The metallic feeling and the pearly feeling are the results of visually judging the obtained multilayer coating film. Metallic feeling:
は indicates good, Δ indicates inferior, very inferior, pearly feeling: ○ indicates good, Δ indicates inferior, very inferior.
Claims (8)
フレ−クを含むメタリック塗料（Ｂ）およびクリヤ塗料
（Ｃ）を塗装することを特徴とする複層塗膜形成法。1. A method for forming a multilayer coating film, comprising applying a colored base paint (A), a metallic paint (B) containing aluminum oxide flakes, and a clear paint (C).
料（Ｂ）およびクリヤ塗料（Ｃ）を塗装を順次塗装し、
ついで加熱して上記３層の塗膜を同時に架橋硬化せしめ
る３コ−ト１ベイク方式である請求項１記載の複層塗膜
形成法。2. The above-mentioned colored base paint (A), metallic paint (B) and clear paint (C) are sequentially applied.
2. The method for forming a multilayer coating film according to claim 1, wherein the coating is a three-coat one-bake method in which the three coating films are simultaneously cross-linked and cured by heating.
よびアルミニウムフレ−クを含む白色ベ−ス塗料である
請求項１記載の複層塗膜形成法。3. The method according to claim 1, wherein the colored base paint (A) is a white base paint containing a titanium white pigment and an aluminum flake.
料（Ｂ）の塗膜との合計硬化膜厚が４０μｍ以下である
請求項３記載の複層塗膜形成法。4. The method according to claim 3, wherein the total cured film thickness of the white base paint and the metallic paint (B) is 40 μm or less.
料１００重量部あたりアルミニウムフレ−クの配合比率
が０．５〜１０重量部である請求項３記載の複層塗膜形
成法。5. The method according to claim 3, wherein the blending ratio of the aluminum flake is 0.5 to 10 parts by weight per 100 parts by weight of the titanium white pigment in the white base paint.
料１００重量部あたりアルミニウムフレ−クの配合比率
が１〜５重量部である請求項３記載の複層塗膜形成法。6. The method for forming a multilayer coating film according to claim 3, wherein the blending ratio of aluminum flake is 1 to 5 parts by weight per 100 parts by weight of titanium white pigment in the white base paint.
ニウムフレ−クが、その表面を酸化チタンで被覆されて
いるものである請求項１記載の複層塗膜形成法。7. The method for forming a multilayer coating film according to claim 1, wherein the aluminum oxide flakes in the metallic coating (B) have a surface coated with titanium oxide.
複層塗膜形成法。8. The method according to claim 1, wherein the object to be coated is an automobile body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13950597A JP3758105B2 (en) | 1997-05-29 | 1997-05-29 | Multi-layer coating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13950597A JP3758105B2 (en) | 1997-05-29 | 1997-05-29 | Multi-layer coating method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10328615A true JPH10328615A (en) | 1998-12-15 |
| JP3758105B2 JP3758105B2 (en) | 2006-03-22 |
Family
ID=15246859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13950597A Expired - Lifetime JP3758105B2 (en) | 1997-05-29 | 1997-05-29 | Multi-layer coating method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3758105B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001293428A (en) * | 2000-04-17 | 2001-10-23 | Kansai Paint Co Ltd | Method for depositing double-layered coating film |
| JP2001314807A (en) * | 2000-05-10 | 2001-11-13 | Nippon Paint Co Ltd | Method for forming coating film with sophisticated design properties |
-
1997
- 1997-05-29 JP JP13950597A patent/JP3758105B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001293428A (en) * | 2000-04-17 | 2001-10-23 | Kansai Paint Co Ltd | Method for depositing double-layered coating film |
| JP4489905B2 (en) * | 2000-04-17 | 2010-06-23 | 関西ペイント株式会社 | Multi-layer coating formation method |
| JP2001314807A (en) * | 2000-05-10 | 2001-11-13 | Nippon Paint Co Ltd | Method for forming coating film with sophisticated design properties |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3758105B2 (en) | 2006-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2609513B2 (en) | Multilayer coating method | |
| JP3755844B2 (en) | Multi-layer coating formation method | |
| EP0965392A3 (en) | A repair coating process of multilayer coating films | |
| US5945218A (en) | Process for formation of multilayer film | |
| GB2297050A (en) | Method of multilayer film formation | |
| JP2002205006A (en) | Method of coating outside and inside panel part of automobile | |
| JP4063358B2 (en) | Method for repairing laminated coating film and coating composition for repair | |
| JP2002205007A (en) | Method of repairing white color based multiple coat | |
| JP2000051780A (en) | Forming method of double-layered coating film | |
| JP3758105B2 (en) | Multi-layer coating method | |
| JP2002301426A (en) | Method for forming double-layer coating film | |
| JPH11106686A (en) | Metallic finishing | |
| JPH10298458A (en) | Brilliant pigment-containing coating composition and formation of composite coating film | |
| JP3262320B2 (en) | How to paint a car body | |
| JP4143193B2 (en) | Method for forming laminated coating film | |
| JPH10330657A (en) | Metallic coating material and formation of plural layered coating film | |
| JPH1110081A (en) | Formation of double layer coating film | |
| JP2005200519A (en) | Metallic coating composition, coating film forming method, and coated article | |
| JPH091050A (en) | Paint film forming method | |
| JP2001009364A (en) | Repairing method of metallic coating film | |
| JPH1110067A (en) | Multilayered coating film forming method | |
| JP3783090B2 (en) | Car overcoating method | |
| JP2005007219A (en) | Method for forming luster color coating film | |
| JPH111641A (en) | Process for forming double-layer coating film | |
| JPH08309280A (en) | Formation of coating film |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20051111 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20051222 |
|
| R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100113 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100113 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100113 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110113 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110113 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120113 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120113 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130113 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130113 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130113 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140113 Year of fee payment: 8 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |