JP3795129B2 - Wrought wood-based plate or flash panel using the wood-based plate - Google Patents
Wrought wood-based plate or flash panel using the wood-based plate Download PDFInfo
- Publication number
- JP3795129B2 JP3795129B2 JP07165596A JP7165596A JP3795129B2 JP 3795129 B2 JP3795129 B2 JP 3795129B2 JP 07165596 A JP07165596 A JP 07165596A JP 7165596 A JP7165596 A JP 7165596A JP 3795129 B2 JP3795129 B2 JP 3795129B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- metal
- plate
- wood
- synthetic 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.)
- Expired - Fee Related
Links
Images
Description
【０００１】
【発明の属する技術分野】
本発明は、反りの防止された木質系板状体あるいは該木質系板状体を用いたフラッシュパネルに関するものである。
【０００２】
【従来の技術】
従来、合板、パーチクルボード、中密度繊維板（以下ＭＤＦという）の反りを防止するためにその両面に酢酸ビニル樹脂エマルジョンなどの塗料を塗布したものあるいは、ポリエチレンフイルム、ポリエチレンフイルムに紙を積層したものを貼着することが行われていた。
すなわち、板状体の反りは該板状体の表裏面の含水率あるいは熱による線膨張の差によるものが大きな要因であると考えられ、板状体の表裏両面に対称的に酢酸ビニル樹脂エマルジョンなどの塗料を塗布することあるいは、ポリエチレンフイルム、ポリエチレンに紙を積層したものを貼着することが行われていた。
【０００３】
【発明が解決しようとする課題】
本発明者らは、板状体の反りの原因を詳細に検討した結果、板状体の反りの現象は湿度差のみならず温度差にも大きく起因し、しかも板状体の局所的な温度差に起因することを見いだし本発明に到達したものである。
すなわち、上記酢酸ビニル樹脂エマルジョンなどの塗料の塗布あるいは、ポリエチレンフイルム、ポリエチレンフイルムに紙をラミネートしたシートを表裏両面に貼着した従来の合板、パーチクルボード、ＭＤＦなどの木質系板状体あるいは該木質系板状体を用いたフラッシュパネルは、湿気が該板状体内部に侵入することによる反りの発生は抑止できるものの、冷暖房機の熱、太陽熱などが板状体またはフラッシュパネルに局所的に当たった場合、該熱が当たっている部分と当たっていない部分の線膨張率の差により生じる反りに対しては対応できないものであった。
本発明は上記従来の技術の問題点に鑑みなされたもので、長時間の使用にも耐えられ、しかも安価な反りの発生を防止することができる合板、パーチクルボード、ＭＤＦ，ダンボールなどの木質系板状体及び該木質系板状体を用いたフラッシュパネルを提供することを目的とするものである。
【０００４】
【課題を解決するための手段】
本発明によれば、粉末状または短繊維状の金属を添加した合成樹脂フイルムあるいは金属の蒸着膜を有した合成樹脂フイルムを板状基材に貼着したことを特徴とする反りの防止された木質系板状体が提供され
粉末状または短繊維状の金属あるいは蒸着膜の金属がアルミニウム、銅、鉄あるいはこれらの混合物であることを特徴とする反りの防止された木質系板状体が提供され
合成樹脂フイルムがオレフイン系樹脂よりなることを特徴とする反りの防止された木質系板状体が提供され
合成樹脂フイルムが、芯層が粉末状または短繊維状の金属を添加あるいは金属の蒸着膜を有したポリエチレンまたはポリプロピレンフイルムよりなり、その両側の外層がエチレン酢酸ビニル共重合体、エチレン−アクリル酸エステル共重合体またはエチレン−メタクリル酸エステル共重合体の１種または２種以上の混合物からなるフイルムであることを特徴とする反りの防止された木質系板状体が提供され
合成樹脂フイルムが、芯層がポリエチレンまたはポリプロピレンフイルムよりなり、その両側の中間層が粉末状または短繊維状の金属を添加あるいは金属の蒸着膜を有したナイロンまたはエチレンビニルアルコール共重合体フイルムよりなり、その両側の最外層がエチレン酢酸ビニル共重合体フイルムよりなることを特徴とする反りの防止された木質系板状体が提供され
パネルを形成する芯材または枠材の両面に反りの防止された木質系板状体を貼着することを特徴とするフラッシュパネル
が提供される。
【０００５】
すなわち、本発明は、粉末状あるいは短繊維状の金属を適宜量混入するかまたは表面に金属を蒸着した合成樹脂フイルムを板状基材の少なくとも一方の表面に貼着した木質系板状体あるいは該木質系板状体をパネル芯材またはパネル枠材の両面に貼着したフラッシュパネルであって、前記木質系板状体の表面には高い熱伝導性が付与されているので、局所的に温度の高低差が生じても短時間で温度差がなくなり、膨張が均一化され、反りの発生が防止されるものである。
さらに、木質系板状体に貼着されている粉末状または短繊維状の金属を添加あるいは金属の蒸着膜を有した合成樹脂フイルムは水分あるいは湿気を遮断するので、水分あるいは湿気による反りをも防止することができるものである。
【０００６】
【発明の実施の形態】
以下本発明の実施の形態を示す図面に基づいて詳細に説明する。
まず、図１は本発明の反りの防止された木質系板状体１の断面図であり、合板、パーチクルボード、ＭＤＦ、ダンボールよりなる板状基材３の両面に粉末状または短繊維状の金属を添加あるいは金属の蒸着まくを有した合成樹脂フイルム４を貼着したものである。
【０００７】
図２は粉末状または短繊維状の金属を添加あるいは金属の蒸着膜を有した合成樹脂フイルム４を板状基材の両面に貼着した木質系板状体１を芯材５の両側に接着剤を介して貼着したフラッシュパネル２の部分断面図である。
【０００８】
合成樹脂フイルムに添加する粉末状または短繊維状の金属または蒸着する金属としては、熱伝導率の高いアルミニウム、鉄、銅、金、銀などあるいはこれらの各金属の合金または混合物が挙げられるが、コストの面からアルミニウム、鉄、銅が好ましい。前記粉末状または短繊維状の金属には酸化防止のため表面処理の施されていることが好ましい。粉末状の場合各粉末の形状、大きさに限定はないが、直径が５〜１００μｍのも、特に１０〜８０μｍが好ましく、また繊維状の場合繊維の直径が５〜１００μｍ、特に１０〜８０μｍが好ましく、長さが２０ｍｍ以下、特に１０ｍｍ以下が取り扱い易く好ましい。
また、粉末状または短繊維状の金属の混入量は樹脂組成物１００重量部に対して０．１〜１０重量部特に０．５〜５重量部が好ましい。
合成樹脂フイルムに金属を蒸着する方法としては真空蒸着法、スパッタリング法、イオンプレーティング法などがある。
金属の蒸着膜は０．０５〜０．６μｍ、特に０．０７〜０．３μｍの厚みが好ましい。
【０００９】
上記粉末状または短繊維状の金属を添加した合成樹脂フイルムの製造方法としては、適宜量の粉末状または短繊維状の金属を合成樹脂原料に添加混合し、インフレーション法またはＴダイ法などの押出機に供給して一般的な方法で製膜するものである。また、上記方法によって得られたフイルムを板状基材に接着剤を介して貼着するのであるが、フイルムの接着性を良好にするため該合成樹脂フイルムの外層を接着性に優れた樹脂、すなわちエチレン酢酸ビニル共重合体、エチレン−アクリル酸エステル共重合体またはエチレン−メタクリル酸エステル共重合体の１種または２種以上の混合物よりなるフイルムとするのが好ましい。特にエチレン酢酸ビニル共重合体が好ましく、酢酸ビニル含量が１５〜４０重量％、より好ましくは１８〜３５重量％程度のものがよい。さらに、板状基材に貼着する前記合成樹脂フイルムに透湿防止性を付与するためにナイロン、ＥＶＯＨ樹脂よりなる層を有する多層フイルムとするのが好ましい。上記多層フイルムはそれぞれの機能を有する樹脂を多層押出機に投入し製膜される。上記多層フイルムの各層に粉末状または短繊維状の金属を添加するのがフイルム全体の熱伝導性を上げる点においては好ましいが、多層フイルムの中のもっとも厚い層にのみ粉末状または短繊維状の金属を添加してもよい。
金属を蒸着した合成樹脂フイルムを用いる場合は、合成樹脂フイルムを製膜後金属を蒸着しその後該フイルムの両表面に接着に優れたフイルムをドライラミネートまたはウエットラミネート法などにより積層する。
得られた合成樹脂フイルムはロールプレス法などにより板状基材に酢酸ビニル系接着剤などを用いて貼着される。
【００１０】
上記板状基材に合成樹脂フイルムを貼着して得られる木質系板状体の室内外の温度差または局所的な温度差に起因する反りを防止するためには、上記粉末状または短繊維状の金属を添加あるいは金属の蒸着膜を有した合成樹脂フイルムを上記板状基材の両面に積層するのが最も好ましいが、一方の面にのみ積層した場合においても該積層面の全面的なあるいは局所的な温度差は、該積層面を通して短時間に均一化し、分散するので反りが防止されるものである。
【００１１】
上記粉末状または短繊維状の金属を添加あるいは金属の蒸着膜を有する合成樹脂フイルムとしては、特に限定はないが安価に入手可能なエチレン系樹脂、プロピレン系樹脂などのオレフイン系樹脂が好適であるが、これらの樹脂に接着性を向上させるようにしたものを用いてもよい。すなわち、ポリエチレンやポリプロピレンなどのポリオレフインにマレイン酸、フマル酸、アクリル酸、メタクリル酸などカルボキシル基を極性基として有するモノマーをグラフト共重合させたもので、たとえばエチレン−アクリル酸、エチレン−メタクリル酸、エチレン−アクリル酸エステルをその代表例としてあげることができる。
【００１２】
次に、上記粉末状または短繊維状の金属を添加あるいは金属の蒸着膜を有した合成樹脂フイルムを上記板状体に貼着し、フラッシュパネルの芯材または枠材の両側に接着剤を介して上記板状体を貼着してフラッシュパネルを形成する。
前記粉末状または短繊維状の金属を添加あるいは金属の蒸着膜を有した合成樹脂フイルムを貼着した上記板状体の表面に更に２０〜３５ｇ／ｍ2 薄葉紙を接着剤を介して、フラッシュパネルの表面となる面のみかあるいは両面に貼着する。フラッシュパネルの表面となる面に木目模様あるいは抽象柄などの模様が印刷された薄葉紙を貼着すると化粧性が付与され好ましい。該フラッシュパネルは壁材、ドアー、家具など各種用途に用いられる。
【００１３】
【実施例】
以下に実施例を示し本発明を詳細に説明する。
反りの程度は目視にて行った。
〔実施例１〕
密度０．９２０ｇ／ｃｍ3 、メルトインデックス２．０ｇ／１０分の低密度ポリエチレン１００重量部に対し平均粒径が１０μｍのアルミニウム粉末を１．５重量部添加したポリエチレンを芯層（厚み３０μｍ）とし、その両側に酢酸ビニル含有量１８重量％、密度０．９３２のエチレン酢酸ビニル共重合体を表面層（各５μｍ）とする多層フイルムをインフレーション法にて製膜した。前記フイルムを酢酸ビニル系接着剤で厚さ３ｍｍ、幅９００ｍｍ、長さ１８００ｍｍのＭＤＦの両面に貼着した。該多層フイルムの貼着されたＭＤＦを２３℃、相対湿度５０％の室内で一方の面のみに局所的に６００Ｗの赤外線ランプを５０ｃｍ隔てて２４時間照射したが目視できる程度の反りは発生しなかった。
【００１４】
〔実施例２〕
エチレン含有量３ｗｔ％、メルトインデックス６．５ｇ／１０分、密度０．９０ｇ／ｃｍ3 のエチレン−プロピレンコポリマーを芯層（厚み２０μｍ）とし、その両側にエチレン含有量４４モル％、メルトインデックス３．５ｇ／１０分、密度１．１４ｇ／ｃｍ3 のエチレンビニルアルコール共重合体１００重量部に対し平均粒径が１０μｍのアルミニウム粉末を１．５重量部添加した該共重合体を中間層（各１０μｍ）とし、その両側に酢酸ビニル含有量１８重量％、密度０．９３２のエチレン酢酸ビニル共重合体を表面層（各５μｍ）とする多層フイルムをインフレーションにて製膜した。該多層フイルムを厚さ３ｍｍ、幅９００ｍｍ、長さ１８００ｍｍのＭＤＦの両面に酢酸ビニル系接着剤で貼着した。
多層フイルムの貼着されたＭＤＦを２３℃、相対湿度５０％の室内で一方の面のみに局所的に６００Ｗの赤外線ランプを５０ｃｍ隔てて２４時間照射したが目視できる程度の反りは発生しなかった。
【００１５】
〔実施例３〕
実施例１で得られた多層フイルムの貼着されたＭＤＦをパネル芯の両面に酢酸ビニル系接着剤で貼着し、フラッシュパネルを作製した。該フラッシュパネルを２３℃、相対湿度５０％の室内で一方の面のみに局所的に６００Ｗの赤外線ランプを５０ｃｍ隔てて２４時間照射したが目視できる程度の反りは発生しなかった。
【００１６】
〔実施例４〕
実施例２で得られた多層フイルムの貼着されたＭＤＦをパネル芯の両面に酢酸ビニル系接着剤で貼着し、フラッシュパネルを作製した。該フラッシュパネルを２３℃、相対湿度５０％の室内で一方の面のみに局所的に６００Ｗの赤外線ランプを５０ｃｍ隔てて２４時間照射したが目視できる程度の反りは発生しなかった。
【００１７】
〔比較例１〕
粉末状または繊維状の金属を全く添加または金属を蒸着しなかった以外は実施例１と同様にして多層フイルムを製膜した。得られた多層フイルムを酢酸ビニル系の接着剤でＭＤＦの両面に貼着した。該多層フイルムの貼着されたＭＤＦを実施例１と同様にして反りのテストを行った。赤外線ランプを照射した部分に反りが見られた。
【００１８】
〔比較例２〕
粉末状または繊維状の金属を全く添加または金属を蒸着しなかった以外は実施例１と同様にして多層フイルムを製膜した。得られた多層フイルムを酢酸ビニル系の接着剤でＭＤＦの両面に貼着した。該多層フイルムの貼着されたＭＤＦを実施例１と同様にして反りのテストを行った。赤外線ランプを照射した部分に反りが見られた。
【００１９】
〔比較例３〕
比較例１で得られた多層フイルムの貼着されたＭＤＦをパネル芯の両面に酢酸ビニル系接着剤で貼着し、フラッシュパネルを作製した。該フラッシュパネルを２３℃、相対湿度５０％の室内で一方の面のみに局所的に６００Ｗの赤外線ランプを５０ｃｍ隔てて２４時間照射した。赤外線ランプの照射された部分を起点として目視できる程度の反りが発生した。
【００２０】
〔比較例４〕
比較例２で得られた多層フイルムの貼着されたＭＤＦをパネル芯の両面に酢酸ビニル系接着剤で貼着し、フラッシュパネルを作製した。該フラッシュパネルを２３℃、相対湿度５０％の室内で一方の面のみに局所的に６００Ｗの赤外線ランプを５０ｃｍ隔てて２４時間照射した。赤外線ランプの照射された部分は反りが発生し、接着部分が剥離した。
【００２１】
【発明の効果】
上述のごとく、粉末状または短繊維状の金属を添加あるいは金属の蒸着膜を有した合成樹脂フイルムを貼着した木質形板状体は、該フイルムの貼着面に太陽熱、冷暖房機などの熱が局所的に当たった場合においても、前記合成樹脂フイルムが熱伝導性に優れるため局所的な温度差が短時間のうちに均一化されて膨張率の差がなくなり、反りが防止される。
また、粉末状または短繊維状の金属を添加あるいは金属の蒸着膜を有した合成樹脂フイルムを貼り着した木質形板状体を用いたフラッシュパネルにおいても上記板状体とまったく同様に反りが防止され、該フラッシュパネルをドアー、壁面などに使用しても支障を来さないものである。
【図面の簡単な説明】
【図１】本発明の反りの防止された木質系板状体の断面図である。
【図２】本発明の反りの防止された木質系板状体を用いたフラッシュパネルの断面図である。
【符号の説明】
１ 木質系板状体
２ フラッシュパネル
３ 板状基材
４ 合成樹脂フイルム
５ 芯材[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a wood-based plate body in which warpage is prevented or a flash panel using the wood-based plate body.
[0002]
[Prior art]
Conventionally, in order to prevent warping of plywood, particle board, and medium density fiber board (hereinafter referred to as MDF), those coated with a paint such as vinyl acetate resin emulsion on both sides, polyethylene film, or paper laminated on polyethylene film Sticking was done.
That is, it is considered that the warpage of the plate-like body is mainly caused by the moisture content of the front and back surfaces of the plate-like body or the difference in linear expansion due to heat. It has been practiced to apply a paint such as polyethylene film, or a polyethylene film laminated with paper.
[0003]
[Problems to be solved by the invention]
As a result of examining the cause of the warpage of the plate-like body in detail, the present inventors have found that the phenomenon of the warpage of the plate-like body is caused not only by the humidity difference but also by the temperature difference, and the local temperature of the plate-like body. The inventors have found that the difference is caused and have reached the present invention.
That is, coating of paint such as the above-mentioned vinyl acetate resin emulsion, or conventional wood board such as polyethylene film, sheet of paper laminated to polyethylene film, and pasted plywood, particle board, MDF or the like Although the flash panel using a plate-like body can suppress the occurrence of warp due to moisture entering the inside of the plate-like body, the heat of the air conditioner, solar heat, etc. hit the plate-like body or the flash panel locally. In this case, it was impossible to cope with the warp caused by the difference in the coefficient of linear expansion between the portion where the heat was applied and the portion which was not applied.
The present invention has been made in view of the above-mentioned problems of the prior art, and can be used for a long time and can prevent the occurrence of an inexpensive warp, such as plywood, particle board, MDF, and cardboard. It is an object of the present invention to provide a flash panel using a wood-like plate-like body.
[0004]
[Means for Solving the Problems]
According to the present invention, it is possible to prevent warping, which is characterized in that a synthetic resin film added with powdered or short fiber metal or a synthetic resin film having a metal deposition film is attached to a plate-like substrate. Provided with a wood-based plate-like body having a warp-prevented feature, characterized in that a powder-like or short fiber-like metal or a deposited film metal is aluminum, copper, iron or a mixture thereof. And a wood-based plate with warpage prevention characterized in that the synthetic resin film is made of an olefin resin, and the synthetic resin film is made by adding metal in which the core layer is powdery or short fiber or vapor deposition of the metal It is made of polyethylene or polypropylene film with a film, and the outer layers on both sides are made of ethylene vinyl acetate copolymer, ethylene-acrylic acid ester copolymer or ethylene-medium. Provided is a warp-prevented wood-based plate-like material characterized in that it is a film composed of one or a mixture of two or more crylate ester copolymers, and the core layer is a polyethylene or polypropylene film The intermediate layer on both sides is made of nylon or ethylene vinyl alcohol copolymer film with added metal powder or short fiber, or metal deposited film, and the outermost layers on both sides are ethylene vinyl acetate copolymer. A warp-prevented wood-based plate material comprising a combined film is provided, and the warp-prevented wood-based plate material is pasted on both sides of a core material or a frame material forming a panel. A featured flash panel is provided.
[0005]
That is, the present invention is a wood-based plate-like body in which an appropriate amount of powdered or short fiber metal is mixed, or a synthetic resin film having a metal vapor-deposited on its surface is attached to at least one surface of a plate-like substrate or A flash panel in which the wooden plate is adhered to both sides of a panel core or a panel frame, and the surface of the wooden plate has high thermal conductivity. Even if a difference in temperature occurs, the temperature difference disappears in a short time, the expansion becomes uniform, and the occurrence of warpage is prevented.
In addition, synthetic resin films with added metal powder or short fiber attached to a wood-based plate or having a metal vapor deposition film block moisture or moisture, and therefore warp due to moisture or moisture. It can be prevented.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
The present invention will be described in detail below with reference to the drawings illustrating embodiments of the present invention.
First, FIG. 1 is a cross-sectional view of a warp-prevented wood-based plate 1 according to the present invention, and a powder or short fiber metal on both sides of a plate-
[0007]
FIG. 2 shows that a woody plate-like body 1 in which a synthetic resin film 4 having a metal powder or a short fiber added thereto or a metal-deposited film is stuck on both sides of a plate-like substrate is bonded to both sides of a
[0008]
Examples of the powdered or short fiber metal to be added to the synthetic resin film or the metal to be deposited include aluminum, iron, copper, gold, silver, etc. having high thermal conductivity, or alloys or mixtures of these metals. Aluminum, iron, and copper are preferable from the viewpoint of cost. The powdery or short fiber metal is preferably subjected to a surface treatment to prevent oxidation. In the case of powder, the shape and size of each powder is not limited, but the diameter is preferably 5 to 100 μm, particularly preferably 10 to 80 μm, and in the case of fiber, the diameter of the fiber is 5 to 100 μm, particularly 10 to 80 μm. Preferably, the length is 20 mm or less, particularly 10 mm or less because it is easy to handle.
Further, the mixing amount of the powdery or short fiber metal is preferably 0.1 to 10 parts by weight, particularly 0.5 to 5 parts by weight with respect to 100 parts by weight of the resin composition.
As a method for depositing a metal on a synthetic resin film, there are a vacuum deposition method, a sputtering method, an ion plating method, and the like.
The metal deposition film has a thickness of preferably 0.05 to 0.6 μm, particularly 0.07 to 0.3 μm.
[0009]
As a method of producing a synthetic resin film to which the above powdery or short fiber metal is added, an appropriate amount of powdery or short fiber metal is added to and mixed with a synthetic resin raw material, and an extrusion method such as an inflation method or a T-die method is used. It is supplied to a machine to form a film by a general method. In addition, the film obtained by the above method is attached to a plate-like substrate via an adhesive, but the outer layer of the synthetic resin film is a resin having excellent adhesiveness in order to improve the adhesiveness of the film, That is, it is preferable to use a film composed of one kind or a mixture of two or more kinds of ethylene vinyl acetate copolymer, ethylene-acrylic acid ester copolymer or ethylene-methacrylic acid ester copolymer. In particular, an ethylene vinyl acetate copolymer is preferable, and a vinyl acetate content of 15 to 40% by weight, more preferably about 18 to 35% by weight is preferable. Furthermore, it is preferable to make it the multilayer film which has a layer which consists of nylon and EVOH resin in order to provide moisture permeability prevention property to the said synthetic resin film stuck to a plate-shaped base material. The multilayer film is formed by introducing a resin having each function into a multilayer extruder. In order to increase the thermal conductivity of the entire film, it is preferable to add a metal powder or short fiber to each layer of the multilayer film, but only the thickest layer in the multilayer film is powdery or short fiber. Metals may be added.
In the case of using a synthetic resin film on which a metal is deposited, a synthetic resin film is formed and then a metal is deposited, and then a film having excellent adhesion is laminated on both surfaces of the film by dry lamination or wet lamination.
The obtained synthetic resin film is stuck to a plate-like substrate using a vinyl acetate adhesive or the like by a roll press method or the like.
[0010]
In order to prevent warping due to a temperature difference between the inside and outside of the wood-based plate or a local temperature difference obtained by sticking a synthetic resin film to the plate-like base material, the powdery or short fiber It is most preferable to laminate a synthetic resin film with a metal-like metal addition or a metal vapor-deposited film on both sides of the plate-like substrate, but even when it is laminated only on one side, Alternatively, the local temperature difference is uniformized and dispersed through the laminated surface in a short time, so that warpage is prevented.
[0011]
The synthetic resin film having the above-mentioned powdery or short fiber-like metal added or having a metal vapor-deposited film is not particularly limited, but olefin resins such as ethylene resins and propylene resins which are available at low cost are suitable. However, you may use what improved the adhesiveness to these resin. That is, it is obtained by graft-copolymerizing a monomer having a carboxyl group as a polar group, such as maleic acid, fumaric acid, acrylic acid, methacrylic acid, etc. to polyolefin such as polyethylene or polypropylene. For example, ethylene-acrylic acid, ethylene-methacrylic acid, ethylene -Acrylic acid esters can be mentioned as typical examples.
[0012]
Next, a synthetic resin film to which the above powdered or short fiber metal is added or a metal vapor deposition film is adhered to the plate body, and an adhesive is provided on both sides of the core material or frame material of the flash panel. Then, the plate-like body is attached to form a flash panel.
Further, a 20-35 g / m 2 thin paper is applied to the surface of the plate-like body to which the powdered or short fiber metal is added or a synthetic resin film having a metal vapor-deposited film is adhered, and a flash panel is provided. Adhere to only the surface or the both surfaces. It is preferable to apply a thin paper on which a pattern such as a wood grain pattern or an abstract pattern is pasted on the surface to be the surface of the flash panel, since cosmetics are imparted. The flash panel is used for various applications such as wall materials, doors, and furniture.
[0013]
【Example】
Hereinafter, the present invention will be described in detail with reference to examples.
The degree of warpage was visually observed.
[Example 1]
The core layer (thickness 30 μm) is made of polyethylene obtained by adding 1.5 parts by weight of aluminum powder having an average particle size of 10 μm to 100 parts by weight of low density polyethylene having a density of 0.920 g / cm 3 and a melt index of 2.0 g / 10 min. A multilayer film having a surface layer (each 5 μm) of ethylene vinyl acetate copolymer having a vinyl acetate content of 18% by weight and a density of 0.932 was formed on both sides by an inflation method. The film was attached to both sides of an MDF having a thickness of 3 mm, a width of 900 mm, and a length of 1800 mm with a vinyl acetate adhesive. The MDF with the multilayer film adhered was irradiated with a 600 W infrared lamp locally at a distance of 50 cm on one side in a room at 23 ° C. and 50% relative humidity for 24 hours, but no visible warping occurred. It was.
[0014]
[Example 2]
An ethylene-propylene copolymer having an ethylene content of 3 wt%, a melt index of 6.5 g / 10 min, and a density of 0.90 g / cm 3 is used as a core layer (thickness: 20 μm). The copolymer obtained by adding 1.5 parts by weight of aluminum powder having an average particle diameter of 10 μm to 100 parts by weight of an ethylene vinyl alcohol copolymer having a density of 1.14 g / cm 3 at 5 g / 10 min is an intermediate layer (each 10 μm And a multilayer film having an ethylene vinyl acetate copolymer with a vinyl acetate content of 18% by weight and a density of 0.932 as a surface layer (each 5 μm) was formed by inflation. The multilayer film was attached to both sides of an MDF having a thickness of 3 mm, a width of 900 mm, and a length of 1800 mm with a vinyl acetate adhesive.
A multi-layer film-attached MDF was irradiated with a 600 W infrared lamp locally on one side in a room at 23 ° C. and a relative humidity of 50% for 24 hours, but no visible warping occurred. .
[0015]
Example 3
The MDF on which the multilayer film obtained in Example 1 was adhered was adhered to both sides of the panel core with a vinyl acetate adhesive to produce a flash panel. The flash panel was irradiated with a 600 W infrared lamp locally at a distance of 50 cm on one side in a room at 23 ° C. and a relative humidity of 50% for 24 hours, but no visible warping occurred.
[0016]
Example 4
The MDF on which the multilayer film obtained in Example 2 was adhered was adhered to both sides of the panel core with a vinyl acetate adhesive to produce a flash panel. The flash panel was irradiated with a 600 W infrared lamp locally at a distance of 50 cm on one side in a room at 23 ° C. and a relative humidity of 50% for 24 hours, but no visible warping occurred.
[0017]
[Comparative Example 1]
A multilayer film was formed in the same manner as in Example 1 except that no powdered or fibrous metal was added or no metal was deposited. The obtained multilayer film was attached to both sides of the MDF with a vinyl acetate adhesive. The warpage test was performed on the MDF with the multilayer film adhered in the same manner as in Example 1. Warping was observed in the part irradiated with the infrared lamp.
[0018]
[Comparative Example 2]
A multilayer film was formed in the same manner as in Example 1 except that no powdered or fibrous metal was added or no metal was deposited. The obtained multilayer film was attached to both sides of the MDF with a vinyl acetate adhesive. The warpage test was performed on the MDF with the multilayer film adhered in the same manner as in Example 1. Warping was observed in the part irradiated with the infrared lamp.
[0019]
[Comparative Example 3]
The MDF on which the multilayer film obtained in Comparative Example 1 was attached was attached to both sides of the panel core with a vinyl acetate adhesive to produce a flash panel. The flash panel was irradiated with an infrared lamp of 600 W locally at a distance of 50 cm for 24 hours only on one surface in a room at 23 ° C. and 50% relative humidity. Warpage occurred to the extent that it can be visually observed starting from the irradiated portion of the infrared lamp.
[0020]
[Comparative Example 4]
The MDF on which the multilayer film obtained in Comparative Example 2 was attached was attached to both sides of the panel core with a vinyl acetate adhesive to produce a flash panel. The flash panel was irradiated with an infrared lamp of 600 W locally at a distance of 50 cm for 24 hours only on one surface in a room at 23 ° C. and 50% relative humidity. The irradiated part of the infrared lamp warped and the bonded part was peeled off.
[0021]
【The invention's effect】
As described above, a woody plate-like body to which a powdered or short fiber metal is added or a synthetic resin film having a metal vapor deposition film is adhered is applied to the surface to which the film is adhered by heat from solar heat, an air conditioner or the like. Even when the synthetic resin film hits locally, the synthetic resin film is excellent in thermal conductivity, so that the local temperature difference is uniformized within a short time, the difference in expansion coefficient is eliminated, and warping is prevented.
In addition, warping is prevented in flash panels using wood-like plates with powdered or short-fiber metals added or synthetic resin films with metal vapor-deposited films, just like the above-mentioned plates. Therefore, even if the flash panel is used for a door, a wall surface or the like, there is no problem.
[Brief description of the drawings]
1 is a cross-sectional view of a warp-prevented wood-based plate according to the present invention.
FIG. 2 is a cross-sectional view of a flash panel using a wood-based plate body with warpage prevention according to the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Wood type plate-shaped body 2
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07165596A JP3795129B2 (en) | 1996-03-27 | 1996-03-27 | Wrought wood-based plate or flash panel using the wood-based plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07165596A JP3795129B2 (en) | 1996-03-27 | 1996-03-27 | Wrought wood-based plate or flash panel using the wood-based plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09262802A JPH09262802A (en) | 1997-10-07 |
| JP3795129B2 true JP3795129B2 (en) | 2006-07-12 |
Family
ID=13466848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP07165596A Expired - Fee Related JP3795129B2 (en) | 1996-03-27 | 1996-03-27 | Wrought wood-based plate or flash panel using the wood-based plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3795129B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100422091B1 (en) * | 2001-07-16 | 2004-03-12 | 김명식 | A prefabricated door and its manufacturing process |
| JP5312843B2 (en) * | 2008-05-23 | 2013-10-09 | 株式会社ウッドワン | Warp prevention structure of wooden joinery |
| JP2010168758A (en) * | 2009-01-21 | 2010-08-05 | Noda Corp | Door structure |
-
1996
- 1996-03-27 JP JP07165596A patent/JP3795129B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09262802A (en) | 1997-10-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4892605A (en) | Process for producing a furniture laminate sheet or web | |
| WO1999006210A1 (en) | Low temperature lamination of wood | |
| JP3795129B2 (en) | Wrought wood-based plate or flash panel using the wood-based plate | |
| JP6089594B2 (en) | Moisture-proof sheet for decorative plate and decorative plate | |
| JP4087523B2 (en) | Composite film-coated woody decorative material and method for producing the same | |
| JPS5839066B2 (en) | Plastic film with thermal adhesive properties | |
| JP2000043196A (en) | Wooden decorative panel and production thereof | |
| JPH09174767A (en) | Dehymidifying decorative sheet and fitting such as dehumidifying decorative board and door | |
| KR19990088418A (en) | Microveneer Decorative Laminate, and Method of Making, and Articles Made Therefrom | |
| JPH11348180A (en) | Wooden decorative panel and its production | |
| JPH05177991A (en) | Transfer foil | |
| JP2600570B2 (en) | Composite sheet | |
| JP2016068257A (en) | Rear surface moistureproof sheet for decorative plate | |
| JP6579439B2 (en) | Moisture-proof sheet for building materials | |
| JP2023028082A (en) | Moisture-proof decorative paper, moisture-proof decorative plate and fitting | |
| JP2023012301A (en) | Rear face moisture-proof paper for decorative sheet | |
| JPS58183249A (en) | Coated metallic plate | |
| JP2023037260A (en) | Moisture-proof decorative paper, moisture-proof decorative plate using the same, and fitting such as door | |
| JP2023027464A (en) | Moisture-proof decorative paper, moisture-proof decorative plate using the same, and fitting such as door | |
| JP2023122996A (en) | Rear face moisture-proof paper for decorative board | |
| JP2023136625A (en) | Moisture-proof decorative paper, moisture-proof decorative plate and fitting | |
| JPH09254316A (en) | Warping preventive wood sheet material or flush panel using that wood sheet material | |
| JP2023136626A (en) | Moisture-proof decorative paper, moisture-proof decorative plate and fitting | |
| JP3986680B2 (en) | Moisture-proof sheet and flash panel using the same | |
| JPH0356912B2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20051219 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20060215 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20060320 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20060412 |
|
| 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: 20100421 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100421 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110421 Year of fee payment: 5 |
|
| LAPS | Cancellation because of no payment of annual fees |