JP3164487U - Wood grain mirror board - Google Patents

Wood grain mirror board Download PDF

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JP3164487U
JP3164487U JP2010006285U JP2010006285U JP3164487U JP 3164487 U JP3164487 U JP 3164487U JP 2010006285 U JP2010006285 U JP 2010006285U JP 2010006285 U JP2010006285 U JP 2010006285U JP 3164487 U JP3164487 U JP 3164487U
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章博 永井
章博 永井
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株式会社永井興産
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Abstract

【課題】天然木の木目に似た木目を有する安価な木目鏡面ボードを提供する。【解決手段】木目模様を有する厚さ0.15mm以上のメラミン樹脂シートが中密度繊維板11の表面に高圧プレスされることによって中密度繊維板の表面には厚さ0.1mm以上のメラミン樹脂シート12が貼着される。さらに、このメラミン樹脂シートの上には厚さ0.05mm以上のポリウレタン樹脂塗膜を研磨・塗り重ねることによって0.1mm以上のポリウレタン樹脂の透明塗膜13が形成され、この透明塗膜の表面を鏡面仕上げして、木目鏡面ボードを形成する。【選択図】図2An inexpensive wood-specular board having a grain similar to that of a natural wood is provided. SOLUTION: A melamine resin sheet having a wood grain pattern and having a thickness of 0.15 mm or more is pressed on the surface of the medium density fiber board 11 at a high pressure, whereby the surface of the medium density fiber board has a thickness of 0.1 mm or more. Sheet 12 is attached. Furthermore, a polyurethane resin transparent film 13 having a thickness of 0.1 mm or more is formed on the melamine resin sheet by polishing and coating a polyurethane resin film having a thickness of 0.05 mm or more. Mirror finish to form a wood grain mirror board. [Selection] Figure 2

Description

本考案は木目鏡面ボードに関し、特に天然木の木目に似た木目を有する安価なボードに関する。   The present invention relates to a wood-specular board, and more particularly to an inexpensive board having a grain similar to that of natural wood.

リビングテーブルやセンターテーブルなどの天板には木目の美しい木目鏡面ボードがよく用いられる。   A beautiful wood grain specular board is often used for top panels such as living tables and center tables.

この木目鏡面ボードを製造する場合、天然の板材の表面にポリエステル樹脂塗料などを塗って硬化させ平滑に研磨するという作業を繰り返した後、最後にバフによって光沢研磨仕上げを行うようにした方法が知られている(特許文献1)。   In the case of producing this wood grain mirror board, it is known that after repeating the work of applying a polyester resin paint etc. to the surface of a natural plate material, curing it and polishing it smoothly, and finally polishing it with a buff. (Patent Document 1).

しかし、この木目鏡面ボードでは板材の木目がそのまま見えるので、高級感のある木目鏡面ボードを製造する場合には木目の美しい高級な板材を使用する必要があってコスト高になる。   However, since the grain of the plate material can be seen as it is with this wood-grain mirror surface board, it is necessary to use a high-quality plate material with a beautiful grain when manufacturing a high-quality wood-surface mirror surface board, which increases the cost.

他方、中密度繊維板(以下、「MDF」という) の表面に下地塗料を塗布し、硬化後に研磨し、その上に天然木の木目模様を転写又は印刷した後、透明な仕上げ塗料を塗布し、硬化後に仕上げ研磨をして製造するようにした木目鏡面ボードが提案されている(特許文献2、特許文献3)。   On the other hand, a base paint is applied to the surface of a medium density fiberboard (hereinafter referred to as “MDF”), polished after curing, and after transferring or printing a natural wood grain pattern thereon, a transparent finish paint is applied. A wood grain specular board manufactured by finishing polishing after curing has been proposed (Patent Documents 2 and 3).

特開2006−181492号公報JP 2006-181492 A 特開2007−111859号公報JP 2007-1111859 A 特開2000−61392号公報JP 2000-61392 A

特許文献2、3記載の木目鏡面ボードでは天然木に樹脂塗料を塗布する場合に比較して安価であるものの、印刷層や転写層が非常に薄く、その木目模様から受ける印象が薄っぺらで天然木とは大きく相違し、見栄えの点で劣るという問題があった。   Although the wood-specular boards described in Patent Documents 2 and 3 are cheaper than when resin paint is applied to natural wood, the printing layer and transfer layer are very thin, and the impression received from the wood grain pattern is thin and natural wood There was a problem that it was very different from that and was inferior in appearance.

本考案はかかる問題点に鑑み、天然木に似た木目を有する安価な木目鏡面ボードを提供することを課題とする。   In view of the above problems, the present invention has an object to provide an inexpensive wood-specular board having a grain resembling natural wood.

そこで、本考案に係る木目鏡面ボードは、木目模様を有する厚さ0.15mm以上のメラミン樹脂シートが中密度繊維板と積層されて高圧プレスされることによって上記中密度繊維板の表面には厚さ0.1mm以上のメラミン樹脂シートが貼着され、該メラミン樹脂シートの上には厚さ0.05mm以上のポリウレタン樹脂塗膜が研磨・塗り重ねられることによって0.1mm以上のポリウレタン樹脂の透明塗膜が形成され、該透明塗膜の表面が鏡面仕上げされていることを特徴とすることを特徴とする。   Therefore, the wood mirror surface board according to the present invention has a thickness of 0.15 mm or more melamine resin sheet having a wood grain pattern laminated on the medium density fiber board and pressed on the surface of the medium density fiber board. A melamine resin sheet having a thickness of 0.1 mm or more is pasted, and a polyurethane resin coating film having a thickness of 0.05 mm or more is polished and coated on the melamine resin sheet, thereby transparent the polyurethane resin having a thickness of 0.1 mm or more. A coating film is formed, and the surface of the transparent coating film is mirror-finished.

本件考案者らが、MDFに木目模様を転写しあるいは印刷しその上に透明塗膜を形成した木目鏡面ボードについて検討したところ、転写層や印刷層は0.05mm以下と非常に薄く、木目模様も薄っぺらな印象を受け、天然木の木目とは受ける印象が大きく相違していた。   The inventors of the present invention examined a wood grain specular board in which a wood grain pattern was transferred or printed on an MDF and a transparent coating film was formed thereon. The transfer layer and the printed layer were very thin, 0.05 mm or less. However, the impression received was very different from the grain of natural wood.

本考案の特徴の1つは転写層や印刷層ではなく、木目模様を有する厚さ0.15mm以上のメラミン樹脂シートを用い、高圧加熱によってメラミン樹脂シートをMDFに貼着するようにした点にある。   One of the features of the present invention is that a melamine resin sheet having a grain pattern of 0.15 mm or more is used instead of a transfer layer or a printing layer, and the melamine resin sheet is adhered to the MDF by high-pressure heating. is there.

これにより、メラミン樹脂シートは厚さ0.15mm以上であるので、均一に液化して表面が綺麗なままでMDFに貼着される。   Thereby, since the thickness of the melamine resin sheet is 0.15 mm or more, the melamine resin sheet is uniformly liquefied and adhered to the MDF while the surface remains clean.

また、高圧加熱によってメラミン樹脂シートをMDFに貼着すると、メラミン樹脂シートは0.1mm程度まで薄くなるが、転写層や印刷層に比較して厚く、その木目模様から天然木の木目に似た印象を受けることが確認された。   In addition, when the melamine resin sheet is attached to the MDF by high-pressure heating, the melamine resin sheet is thinned to about 0.1 mm, but is thicker than the transfer layer and the printed layer, and resembles the natural wood grain from its wood grain pattern Confirmed to receive an impression.

また、メラミン樹脂シートの表面には石油製品に由来する油脂分が付着しており、ポリウレタン樹脂塗膜が剥離しやすいので、メラミン樹脂シートの表面を慎重に研磨する必要があるが、0.1mmの厚さがあれば研磨によってメラミン樹脂シートが破れるおそれは少ない。   In addition, oil and fat components derived from petroleum products are attached to the surface of the melamine resin sheet, and the polyurethane resin coating film is easy to peel off, so it is necessary to carefully polish the surface of the melamine resin sheet. If the thickness is less than that, there is little risk of the melamine resin sheet being broken by polishing.

その結果、天然の板材を用いた木目鏡面ボードと見間違えるような高級感のある木目鏡面ボードを製造できる。   As a result, it is possible to manufacture a high-quality wood-specular board that can be mistaken for a wood-specular board using a natural plate material.

MDFの上に木目模様のメラミン樹脂シートを粘着し、その上にポリウレタン樹脂の塗膜を形成し、表面を鏡面仕上げするようにしたので、天然の板材に塗膜を形成する場合に比較して木目鏡面ボードを安価に製造できる。   A melamine resin sheet with a wood grain pattern is adhered on the MDF, and a polyurethane resin coating is formed on the MDF. The surface is mirror-finished, so compared to the case where a coating is formed on a natural plate. A wood mirror board can be manufactured at low cost.

メラミン樹脂シートはメチロールメラミンを溶剤に溶かし、紙などの充填剤に含浸させたもので、このメラミン樹脂シートを加熱すると、メチロールメラミンが重縮合を起こし架橋することで熱硬化性のメラミン樹脂となる。   The melamine resin sheet is made by dissolving methylol melamine in a solvent and impregnating with a filler such as paper. When this melamine resin sheet is heated, the methylol melamine undergoes polycondensation and crosslinks to become a thermosetting melamine resin. .

本考案に係る木目鏡面ボードの実施形態を示す概略斜視図である。1 is a schematic perspective view showing an embodiment of a wood grain specular board according to the present invention. 上記実施形態を示す要部断面図である。It is principal part sectional drawing which shows the said embodiment. 上記実施形態の製造工程を示す図である。It is a figure which shows the manufacturing process of the said embodiment.

以下、本考案を図面に示す具体例に基づいて詳細に説明する。図1ないし図3は本考案に係る木目鏡面ボードの好ましい実施形態を示す。図において、木目鏡面ボード10はMDF11をベースに製造されている。このMDF11の表面及び側端面には厚さ0.1mm以上の木目模様のメラミン樹脂シート12が粘着され、メラミン樹脂シート12の上側には0.1mm以上の透明なポリウレタン樹脂塗膜13が形成され、ポリウレタン樹脂塗膜13の表面が鏡面仕上げされている。   Hereinafter, the present invention will be described in detail based on specific examples shown in the drawings. 1 to 3 show a preferred embodiment of a wood-specular board according to the present invention. In the figure, the wood grain specular board 10 is manufactured based on the MDF 11. A melamine resin sheet 12 having a grain pattern of 0.1 mm or more is adhered to the surface and side end surfaces of the MDF 11, and a transparent polyurethane resin coating film 13 of 0.1 mm or more is formed on the upper side of the melamine resin sheet 12. The surface of the polyurethane resin coating 13 is mirror finished.

本例の木目鏡面ボード10を製造する場合、木目模様を有する厚さ0.15mmのメラミン樹脂シート12を準備する。このメラミン樹脂シート12を所定の厚みのMDF11の上面から側端面にかけて重ねる(ステップS10)。   When manufacturing the wood grain specular board 10 of this example, a 0.15 mm thick melamine resin sheet 12 having a wood grain pattern is prepared. The melamine resin sheet 12 is stacked from the upper surface to the side end surface of the MDF 11 having a predetermined thickness (step S10).

次に、メラミン樹脂シート12を積層したMDF11を上下2枚のプレス板で挟み、メラミン樹脂シート12のメチロールメラミンが液化する温度域、例えば180°C〜190°Cの範囲内の温度に加熱し加圧する(ステップS11)。   Next, the MDF 11 laminated with the melamine resin sheet 12 is sandwiched between two upper and lower press plates, and heated to a temperature range where the methylol melamine of the melamine resin sheet 12 is liquefied, for example, a temperature within a range of 180 ° C to 190 ° C. Pressurize (step S11).

すると、メラミン樹脂シート12のメチロールメラミンが液化してMDF11に貼着するとともに、メチロールメラミンが重縮合を起こし架橋することで熱硬化性のメラミン樹脂となる。加熱前のメラミン樹脂シート12の厚さは0.15mm以上であるので、メラミン樹脂シート12は表面の木目模様が綺麗なまま均一に液化してMDF11に貼着される。貼着後のメラミン樹脂シート12の厚みは0.1mm程度にまで減少している。   Then, the methylol melamine of the melamine resin sheet 12 liquefies and adheres to the MDF 11, and the methylol melamine undergoes polycondensation and crosslinks to become a thermosetting melamine resin. Since the thickness of the melamine resin sheet 12 before heating is 0.15 mm or more, the melamine resin sheet 12 is uniformly liquefied and adhered to the MDF 11 while the surface grain pattern is clean. The thickness of the melamine resin sheet 12 after sticking is reduced to about 0.1 mm.

このメラミン樹脂シート12の表面には石油製品に由来する油脂分が付着しているので、研磨布などを用いて油脂分を除去する(ステップS13)。そのとき、メラミン樹脂シート12が破れないように慎重に研磨する。   Since the fats and oils derived from petroleum products have adhered to the surface of this melamine resin sheet 12, oils and fats are removed using polishing cloth etc. (step S13). At that time, it is carefully polished so that the melamine resin sheet 12 is not torn.

次に、メラミン樹脂シート12の上に透明なポリウレタン塗料をスプレー又はロールコータなどを用いて塗布する。塗料が硬化すると、研磨後の塗膜の厚みが0.05mm以上となるように、研磨布などを用いて表面を平滑に研磨する(ステップS14)。   Next, a transparent polyurethane paint is applied on the melamine resin sheet 12 using a spray or a roll coater. When the paint is cured, the surface is polished smoothly using a polishing cloth or the like so that the thickness of the coated film after polishing is 0.05 mm or more (step S14).

最後に、この透明塗膜の上に透明なポリウレタン塗料を塗布し、研磨後の塗膜の厚みが0.05mm以上となるように、バフなどによって塗膜の表面の鏡面仕上げを行うと、全体として厚さ0.1mm以上の透明塗膜13が形成される。   Finally, a transparent polyurethane paint is applied on the transparent coating film, and the surface of the coating film is mirror-finished by buffing so that the thickness of the coated film after polishing is 0.05 mm or more. As a result, a transparent coating film 13 having a thickness of 0.1 mm or more is formed.

これにより、天然の板材を用いた木目鏡面ボードと見間違えるような高級感のある木目鏡面ボードを安価に製造できる。   As a result, a high-quality wood-grain mirror board that can be mistaken for a wood-grain mirror board using a natural plate material can be manufactured at low cost.

10 木目鏡面ボード
11 MDF
12 メラミン樹脂シート
13 透明塗膜
10 Wood grain specular board 11 MDF
12 Melamine resin sheet 13 Transparent coating film

Claims (2)

木目模様を有する厚さ0.15mm以上のメラミン樹脂シートが中密度繊維板(11)の表面に高圧プレスされることによって上記中密度繊維板(11)の表面には厚さ0.1mm以上のメラミン樹脂シート(12)が貼着され、該メラミン樹脂シート(12)の上には厚さ0.05mm以上のポリウレタン樹脂塗膜が研磨・塗り重ねられることによって0.1mm以上のポリウレタン樹脂の透明塗膜(13)が形成され、該透明塗膜(13)の表面が鏡面仕上げされていることを特徴とする木目鏡面ボード。   A melamine resin sheet having a wood grain pattern with a thickness of 0.15 mm or more is pressed at a high pressure on the surface of the medium density fiber board (11), so that the surface of the medium density fiber board (11) has a thickness of 0.1 mm or more. A melamine resin sheet (12) is adhered, and a polyurethane resin coating film having a thickness of 0.05 mm or more is polished and applied over the melamine resin sheet (12) to make the polyurethane resin transparent of 0.1 mm or more. Wood grain specular board, characterized in that a coating film (13) is formed and the surface of the transparent coating film (13) is mirror-finished. 表面が研磨された上記メラミン樹脂シート(12)の上にポリウレタン樹脂の透明塗膜(13)が形成されている請求項1記載の木目鏡面ボード。
2. The wood grain mirror board according to claim 1, wherein a transparent coating film (13) of polyurethane resin is formed on the melamine resin sheet (12) whose surface is polished.
JP2010006285U 2010-09-21 2010-09-21 Wood grain mirror board Expired - Lifetime JP3164487U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014505584A (en) * 2010-12-20 2014-03-06 クレープヒェミー・エム・ゲー・ベッカー・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング・ウント・コンパニー・コマンディートゲゼルシャフト High gloss surface with high temperature coating
JP2014213451A (en) * 2013-04-22 2014-11-17 寧波東誠家居用品製造有限公司 Mirror finished surface board and method for manufacturing the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014505584A (en) * 2010-12-20 2014-03-06 クレープヒェミー・エム・ゲー・ベッカー・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング・ウント・コンパニー・コマンディートゲゼルシャフト High gloss surface with high temperature coating
JP2014213451A (en) * 2013-04-22 2014-11-17 寧波東誠家居用品製造有限公司 Mirror finished surface board and method for manufacturing the same

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