JP3965168B2 - Painted product and manufacturing method thereof - Google Patents
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- JP3965168B2 JP3965168B2 JP2004197850A JP2004197850A JP3965168B2 JP 3965168 B2 JP3965168 B2 JP 3965168B2 JP 2004197850 A JP2004197850 A JP 2004197850A JP 2004197850 A JP2004197850 A JP 2004197850A JP 3965168 B2 JP3965168 B2 JP 3965168B2
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本発明は、塗装物及びその製造方法に係り、更に詳しくは、表面に傷が付いたり、手垢等が付着したりすることを抑制することができる塗装物及びその製造方法に関する。 The present invention relates to a coated product and a method for manufacturing the same, and more particularly to a coated product and a method for manufacturing the same that can suppress the surface from being scratched or having dirt or the like attached thereto.
従来より、キッチンや家具、建材等にあっては、ＭＤＦ（中密度木質繊維ボード）を塗装することによって艶消し仕上げの塗膜を表面に形成したパネル材が広く利用されている。このようなパネル材は、その性質上、キャビネットの扉等に用いられる傾向があり、手で直接持ちながら開閉等の操作を行われる場合が多い。 Conventionally, in kitchens, furniture, building materials and the like, panel materials in which a matte finish coating film is formed on the surface by painting MDF (medium density wood fiber board) have been widely used. Such a panel material tends to be used for a cabinet door or the like due to its nature, and is often operated to be opened and closed while being directly held by hand.
しかしながら、前記パネル材にあっては、塗膜の表面を手で触ると、手垢や皮脂等の汚れが付着し易くなり、当該汚れが目立ってしまうという不都合がある。
ここで、本発明者は、前記汚れを回避すべく種々の観点から研究を行ったところ、塗膜中の粒子が１μｍ以下と小さく、塗膜と手との接触面積が比較的大きくなることに原因があることを知見した。
そこで、本発明者は、前記粒子より大きいビーズを塗料に配合して塗装し、塗膜の表面に凹凸を設けて研究を行った。すると、凹凸を設けた塗膜では、爪等によって塗膜表面を擦ると、爪の先が凹凸に引っ掛かって引っ掻き傷が付く傾向が強くなり、却って外観上の体裁を損なうという別異の問題を生ずることが判明した。
このような問題に対し、本発明者は、更に鋭意研究を行い、ビーズの大きさ及び塗料全体に対する配合割合の両者を以下に詳述する条件下に設定し、表面に所定の凸部を形成することで、手垢等の付着と爪による傷の発生とを同時に抑制できることを知見した。
However, in the panel material, if the surface of the coating film is touched with a hand, dirt such as dirt and sebum is likely to adhere, and the dirt becomes conspicuous.
Here, the present inventor conducted research from various viewpoints in order to avoid the contamination. As a result, the particles in the coating film are as small as 1 μm or less, and the contact area between the coating film and the hand is relatively large. I found out that there was a cause.
Therefore, the present inventor conducted research by blending beads larger than the above-mentioned particles into a paint and applying the irregularities on the surface of the coating film. Then, in the coating film provided with unevenness, if the surface of the coating film is rubbed with a nail or the like, the tip of the nail is more likely to be scratched by the unevenness, and the appearance appearance is impaired. It was found to occur.
In order to solve such problems, the present inventor conducted further research and set both the size of the beads and the blending ratio with respect to the entire coating under the conditions described in detail below, and formed predetermined convex portions on the surface. By doing so, it was found that adhesion of hand stains and the like and the generation of scratches by nails can be suppressed at the same time.
［発明の目的］
本発明は、前記知見に基づいて案出されたものであり、その目的は、塗膜表面に手垢等の汚れを付着し難くするとともに、爪等による引っ掻き傷の発生も回避することができる塗装物及びその製造方法を提供することにある。
[Object of invention]
The present invention has been devised on the basis of the above knowledge, and its purpose is to make it difficult to attach dirt such as hand stains to the surface of the coating film, and to avoid the occurrence of scratches caused by nails or the like. It is in providing a thing and its manufacturing method.
前記目的を達成するため、本発明は、木質系素材からなる板状体と、この板状体の表面に厚み１００〜１５０μｍの下処理層を介して形成された塗膜とを含む塗装物であって、
前記塗膜は、エナメル塗料を含む塗料を用いて総厚１５〜４０μｍに形成され、
前記塗料には、樹脂ビーズが配合され、
前記樹脂ビーズによって塗膜の表面に突出量５〜１０μｍ、平面視での最大幅が２０〜３０μｍの多数の凸部を形成する、という構成を採っている。
In order to achieve the above object, the present invention is a coated article including a plate-like body made of a wood-based material and a coating film formed on the surface of the plate-like body through a subtreatment layer having a thickness of 100 to 150 μm. There,
The coating film is formed to a total thickness of 15 to 40 μm using a paint including an enamel paint,
The paint is blended with resin beads,
The resin beads are used to form a large number of protrusions having a protrusion amount of 5 to 10 μm and a maximum width of 20 to 30 μm in plan view on the surface of the coating film.
本発明において、前記樹脂ビーズは、平均粒径が５〜１５μｍに設定される、という構成を採用することができる。また、前記樹脂ビーズは、前記塗料全体に対して４〜１０重量％配合される、という構成も採用することができる。 In the present invention, the resin beads may employ a configuration in which an average particle diameter is set to 5 to 15 μm. Moreover, the structure that 4 to 10weight% of the said resin bead is mix | blended with respect to the said whole coating material is also employable.
更に、本発明は、エナメル塗料を含む塗料を塗装することで表面に塗膜が形成される塗装物の製造方法であって、
前記塗料にはビーズが配合され、当該ビーズは、塗料全体に対して４〜１０重量％配合されるとともに平均粒径が５〜１５μｍに設定され、
前記塗料を塗布量４０〜１００ｇ／ｍ２でスプレーで吹き付ける塗布工程の後、常温で放置して乾燥させる乾燥工程を経ることで塗膜の表面に突出量５〜１０μｍ、平面視での最大幅が２０〜３０μｍの多数の凸部を形成する、という方法を採用している。
Furthermore, the present invention is a method for producing a coated product in which a coating film is formed on a surface by applying a paint containing an enamel paint ,
Beads are blended in the paint, and the beads are blended in an amount of 4 to 10% by weight with respect to the whole paint and the average particle size is set to 5 to 15 μm.
After the coating step of spraying the coating material at a coating amount of 40 to 100 g / m 2 , a protruding step on the surface of the coating film by passing through a drying step that is allowed to stand at room temperature to dry , the maximum width in plan view Adopts a method of forming a large number of convex portions of 20 to 30 μm .
本発明によれば、前述のような塗膜の表面に突出量５〜１０μｍ、平面視での最大幅が２０〜３０μｍの多数の凸部を形成することにより、塗膜表面を手で触ったときに、手と塗膜との接触面積を小さくすることができ、塗膜に手垢や皮脂を付き難くすることができる。しかも、塗膜を爪で引っ掻いたときに、爪先が凸部に引っ掛かるような状態になり難くすることができ、引っ掻き傷等の発生を抑制することが可能となる。これにより、塗装物を経時的に使用しても、汚れや傷等を回避して塗膜の外観上の体裁が良好に保たれるばかりでなく、塗膜の表面を拭き掃除する等のメンテナンスの負担を軽減することが可能となる。 According to the present invention, the surface of the coating film as described above was touched by hand by forming a number of protrusions having a protrusion amount of 5 to 10 μm and a maximum width of 20 to 30 μm in plan view. In some cases, the contact area between the hand and the coating film can be reduced, and the coating film can be made difficult to get hand dirt or sebum. In addition, when the coating film is scratched with a nail, it becomes difficult to be in a state where the nail tip is caught on the convex portion, and the occurrence of scratches or the like can be suppressed. As a result, even if the coated material is used over time, not only the appearance of the coating film is kept good by avoiding dirt and scratches, but also maintenance such as wiping and cleaning the surface of the coating film is performed. The burden can be reduced.
なお、本明細書において、「平均粒径」とは、粒子の直径をｄｉとし、単位重量の粉末中における直径ｄ１の粒子がｎ１個、直径ｄ２の粒子がｎ２個、・・・直径ｄｉの粒子がｎｉ個存在したときに、その算術平均径（Σｄｉ・ｎｉ／Σｎｉ）を平均粒径とする。
ここで、完全な球形でない粒子の場合は、図２に示されるように、粒子を平面視した場合に最も長い径をＬとし、これに直交する方向の幅をＢ、粒子の平面積をＦ、粒子一個当たりの体積をＶとすると、次の（１）〜（４）の何れかの式によって各粒径Ｄｐが求められる。
Ｄｐ＝Ｂ・・・・（１）
Ｄｐ＝√（４Ｆ／π）（相当円直径、Ｈｅｙｗｏｏｄの直径）・・・・（２）
Ｄｐ＝Ｖ１／３（Ａｎｄｒｅａｓｅｎの直径）・・・・（３）
Ｄｐ＝（６Ｖ／π）１／３（相当球直径又は相当直径）・・・・（４）
In this specification, “average particle diameter” means that the particle diameter is di, n1 particles having a diameter d1, n2 particles having a diameter d2 in a unit weight of powder,. When ni particles are present, the arithmetic average diameter (Σdi · ni / Σni) is defined as the average particle diameter.
Here, in the case of particles that are not perfectly spherical, as shown in FIG. 2, when the particles are viewed in plan, the longest diameter is L, the width in the direction perpendicular to this is B, and the plane area of the particles is F. When the volume per particle is V, each particle diameter Dp is obtained by any one of the following formulas (1) to (4).
Dp = B (1)
Dp = √ (4F / π) (equivalent circular diameter, Heywood diameter) (2)
Dp = V 1/3 (Andreasen's diameter) ... (3)
Dp = (6V / π) 1/3 (equivalent sphere diameter or equivalent diameter) (4)
以下、本発明の好ましい実施の形態について図面を参照しながら説明する。 Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.
図１には、本実施形態に係る塗装物の層構造を表す断面図が示されている。この図において、塗装物１０は、ＭＤＦ等の木質系素材からなる板状体１１と、この板状体１１の表面（図１中上面）に下処理層１２を介して形成された塗膜１３とを備えた基本構成となっている。ここで、塗装物１０としては、キッチンや家具、建具等に用いられるパネル材、特に、キッチン等に用いられるキャビネットの扉材や表面化粧板を例示することができる。 FIG. 1 is a cross-sectional view showing the layer structure of a coated object according to this embodiment. In this figure, a coated product 10 includes a plate-like body 11 made of a wood-based material such as MDF, and a coating film 13 formed on the surface (upper surface in FIG. 1) of the plate-like body 11 via a lower treatment layer 12. It has a basic configuration with. Here, examples of the coated object 10 include panel materials used in kitchens, furniture, joinery, and the like, in particular, cabinet door materials and surface decorative plates used in kitchens and the like.
前記下処理層１２は、下塗り塗料を塗布することにより形成される。下処理層１２は、その厚みが１００〜１５０μｍに設定されている。 The undertreatment layer 12 is formed by applying an undercoat paint. The thickness of the undertreatment layer 12 is set to 100 to 150 μm.
前記塗膜１３は、エナメル塗料、艶調整用のクリヤ塗料、硬化剤及びシンナーを混合して形成された塗料を塗布量４０〜１００ｇ／ｍ２で塗布することにより形成される。塗膜１３は、その総厚みが１５〜４０μｍに設定されている。また、塗膜１３は、ビーズ１６により形成される多数の凸部１７を表面に備え、当該凸部１７によって表面が艶消し仕上げとされる。
The coating film 13 is formed by applying a coating formed by mixing an enamel coating, a clear coating for gloss adjustment, a curing agent and a thinner at a coating amount of 40 to 100 g / m 2 . The total thickness of the coating film 13 is set to 15 to 40 μm. Further, the coating film 13 includes a large number of
前記ビーズ１６は、平均粒径が５〜１５μｍに設定されたアクリル性樹脂ビーズからなり、塗膜１３用の塗料全体に対する配合割合が４〜１０重量％に設定されている。このようにビーズ１６の平均粒径、塗布量及び配合割合を設定することにより、各ビーズ１６に対応して形成される凸部１７の寸法は、その突出量が５〜１０μｍ、平面視での最大幅が２０〜３０μｍに形成される。
凸部１７の突出量が５μｍ未満であったり平面視での最大幅が２０μｍ未満であったりすると、塗膜１３を手で触ったときに手垢や指紋が目立つ一方、凸部１７の突出量が１０μｍを超えたり平面視での最大幅が３０μｍを超えたりすると、塗膜１３に爪が引っ掛かり、引っ掻き傷や爪跡が残り易くなる。この最適範囲の凸部１７を形成するためには平均粒径が５〜１５μｍに設定されたアクリル性樹脂ビーズを使用することが好ましい。
また、ビーズ１６の前記配合割合が４重量％未満であると、隣り合う凸部１７の間隔が広くなり、塗膜１３に爪が引っ掛かり易くなる一方、前記配合割合が１０重量％を越えると、隣り合う凸部１７の間隔が狭くなり、塗膜１３に付着した細かいごみを除去し難くなる。
ここで、更に好ましくは、凸部１７の突出量が６〜８μｍ、平面視での最大幅が１５〜２５μｍにするとよく、そのためには、ビーズ１６の平均粒径を８μｍ〜１２μｍ、ビーズ１６の前記配合割合を６〜８重量％にするとよい。
なお、ビーズ１６には、アクリル性樹脂ビーズに限らず、ウレタン性樹脂ビーズやナイロン性樹脂ビーズを適用することも可能である。
The
If the protruding amount of the
Further, when the blending ratio of the
More preferably, the protruding amount of the
The
前記塗装物１０を製造する場合、先ず、板状体１１の表面に前記下塗り塗料をスプレーで吹き付け、所定時間放置して乾燥させて下処理層１２を形成する下処理工程を行う。この下処理工程を終えた後、下処理層１２に前記塗料をスプレーで吹き付けて塗膜１３を形成する塗布工程を行う。当該塗布工程において、前記塗料の吹き付けは、塗膜１３の厚みにムラが生じないように前記スプレーと板状体１１の表面とを相対移動させながら行われる。塗布工程を終えた後、常温で所定時間放置して乾燥させる乾燥工程を行い、総厚１５〜４０μｍの塗膜１３を形成することにより塗装物１０が完成する。 When manufacturing the coated object 10, first, the undercoat process is performed in which the undercoat paint is sprayed onto the surface of the plate-like body 11 and left to dry for a predetermined time to form the undercoat layer 12. After finishing this pretreatment process, the coating process is performed by spraying the coating material onto the lower treatment layer 12 by spraying. In the coating step, the spraying of the paint is performed while relatively moving the spray and the surface of the plate-like body 11 so that the thickness of the coating film 13 is not uneven. After finishing the coating process, a drying process is performed in which the coating is left to stand at room temperature for a predetermined time to form a coating film 13 having a total thickness of 15 to 40 μm.
なお、塗布工程を二回行うことにより塗膜１３を形成してもよい。この場合、下処理層１２に前記塗料からビーズ１６を抜いたものを塗布する下塗り塗布工程を行う。そして、乾燥工程を経た後、ビーズ１６が配合された前述と同様の塗料を塗布する上塗り塗布工程を行ってから乾燥工程を再度行うことにより塗膜１３が形成される。このとき、下塗り塗布工程及び上塗り塗布工程により重ねられた二つの塗膜によって、総厚みが１５〜４０μｍの塗膜１３が形成される。
In addition, you may form the coating film 13 by performing an application | coating process twice. In this case, an undercoat coating process is performed in which the undertreatment layer 12 is coated with a material obtained by removing the
以下に本発明の実施例を比較例とともに説明する。 Examples of the present invention will be described below together with comparative examples.
［実施例、比較例１，２］
実施例では、ＭＤＦからなる板状体１１に、ＵＶクリヤー塗料を塗布して厚み１１０μｍの下処理層１２を形成した。表１に示される各種成分を同表に示される含有量で攪拌して混合することにより塗料を調整し、この塗料を下処理層１２に塗布して厚み２３μｍの塗膜１３を形成した。塗料中のビーズ１６の平均粒径を１０μｍとし、凸部１７の突出量を８μｍ、平面視での最大幅を１５μｍに設定した。
比較例１では、実施例１に対してビーズ１６を配合せずに塗膜１３を形成した。
比較例２では、実施例１に対してビーズ１６の平均粒径を３０μｍに変え、凸部１７の突出量を１５μｍ、平面視での最大幅を３５μｍに変えた。
[Examples and Comparative Examples 1 and 2]
In the example, a UV clear coating was applied to the plate-like body 11 made of MDF to form a lower treatment layer 12 having a thickness of 110 μm. A coating material was prepared by stirring and mixing various components shown in Table 1 with the contents shown in the same table, and this coating material was applied to the pretreatment layer 12 to form a coating film 13 having a thickness of 23 μm. The average particle diameter of the
In Comparative Example 1, the coating film 13 was formed without blending the
In Comparative Example 2, the average particle diameter of the
以上のように得られた塗装物１０の塗膜１３に対し、耐傷性及び外観意匠性を確認するための実験を行った。 An experiment for confirming scratch resistance and appearance design was performed on the coating film 13 of the coated article 10 obtained as described above.
ここで、耐傷性に関する実験として、塗膜１３の表面を爪の先端で擦り付けた後、塗膜１３を目視にて確認した。その結果を表２に示す。
なお、耐傷性の評価として、「○」は、良好な評価（傷等が殆ど生じない状態）を表し、「×」は、期待する耐傷性が得られなかったという評価（爪による引っ掻き傷が発生する状態）を表す。
外観意匠性に関しては、塗膜１３の表面に手の平を接触させた後、塗膜１３を目視にて確認した。その結果を表２に示す。
なお、外観意匠性の評価として、「○」は、良好な評価（手垢や皮脂が殆ど視認できない状態）を表し、「×」は、期待する外観意匠性が得られなかったという評価（手垢等によって手の平の跡が視認できる状態）を表す。
Here, as an experiment regarding scratch resistance, the surface of the coating film 13 was rubbed with the tip of the nail, and then the coating film 13 was visually confirmed. The results are shown in Table 2.
In addition, as evaluation of scratch resistance, “◯” indicates a good evaluation (a state in which scars and the like are hardly generated), and “×” indicates an evaluation that the expected scratch resistance was not obtained (a scratch caused by a nail is State).
With respect to the appearance design, the coating film 13 was visually confirmed after bringing the palm into contact with the surface of the coating film 13. The results are shown in Table 2.
In addition, as an evaluation of appearance design properties, “◯” represents a good evaluation (a state in which hand dirt and sebum are hardly visible), and “×” represents an evaluation that the expected appearance design properties were not obtained (hand stain, etc.) Represents a state in which a palm mark can be visually recognized).
本発明は、主に、キッチン、家具、建材等に利用することができる。 The present invention can be mainly used for kitchens, furniture, building materials, and the like.
１０・・・塗装物、１１・・・板状体、１２・・・下処理層、１３・・・塗膜、１６・・・ビーズ、１７・・・凸部 DESCRIPTION OF SYMBOLS 10 ... Painted object, 11 ... Plate-like body, 12 ... Pretreatment layer, 13 ... Coating film, 16 ... Bead, 17 ... Convex part
Claims (4)
前記塗膜は、エナメル塗料を含む塗料を用いて総厚１５〜４０μｍに形成され、
前記塗料には、樹脂ビーズが配合され、
前記樹脂ビーズによって塗膜の表面に突出量５〜１０μｍ、平面視での最大幅が２０〜３０μｍの多数の凸部を形成することを特徴とする塗装物。 A coated product comprising a plate-like body made of a wood-based material, and a coating film formed on the surface of the plate-like body via a bottom treatment layer having a thickness of 100 to 150 μm,
The coating film is formed to a total thickness of 15 to 40 μm using a paint including an enamel paint,
The paint is blended with resin beads,
A coated product, wherein the resin beads form a number of protrusions having a protrusion amount of 5 to 10 μm and a maximum width of 20 to 30 μm in plan view on the surface of the coating film.
前記塗料にはビーズが配合され、当該ビーズは、塗料全体に対して４〜１０重量％配合されるとともに平均粒径が５〜１５μｍに設定され、
前記塗料を塗布量４０〜１００ｇ／ｍ２でスプレーで吹き付ける塗布工程の後、常温で放置して乾燥させる乾燥工程を経ることで塗膜の表面に突出量５〜１０μｍ、平面視での最大幅が２０〜３０μｍの多数の凸部を形成することを特徴とする塗装物の製造方法。 A method for producing a coated product in which a coating film is formed on a surface by applying a paint containing an enamel paint ,
Beads are blended in the paint, and the beads are blended in an amount of 4 to 10% by weight with respect to the whole paint and the average particle size is set to 5 to 15 μm.
After the coating process of spraying the paint with a spray amount of 40 to 100 g / m 2 , it is allowed to stand and dry at room temperature, and the protrusion amount is 5 to 10 μm on the surface of the coating film. Forming a large number of projections of 20 to 30 μm .
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| JP2004197850A JP3965168B2 (en) | 2004-07-05 | 2004-07-05 | Painted product and manufacturing method thereof |
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| JP3965168B2 true JP3965168B2 (en) | 2007-08-29 |
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