JPH07232305A - Moisture-resistant composite plate - Google Patents

Moisture-resistant composite plate

Info

Publication number
JPH07232305A
JPH07232305A JP32190494A JP32190494A JPH07232305A JP H07232305 A JPH07232305 A JP H07232305A JP 32190494 A JP32190494 A JP 32190494A JP 32190494 A JP32190494 A JP 32190494A JP H07232305 A JPH07232305 A JP H07232305A
Authority
JP
Japan
Prior art keywords
moisture
paper
resistant composite
layer sheet
base material
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
Application number
JP32190494A
Other languages
Japanese (ja)
Inventor
Yukio Nomura
幸夫 野村
Kyosuke Aoyama
恭介 青山
Kyuma Goto
久馬 後藤
Toyoo Sugiura
豊雄 杉浦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MITSUI LUMBER CO Ltd
MITSUI MOKUZAI KOGYO KK
Original Assignee
MITSUI LUMBER CO Ltd
MITSUI MOKUZAI KOGYO KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MITSUI LUMBER CO Ltd, MITSUI MOKUZAI KOGYO KK filed Critical MITSUI LUMBER CO Ltd
Priority to JP32190494A priority Critical patent/JPH07232305A/en
Publication of JPH07232305A publication Critical patent/JPH07232305A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To improve a moisture resistance of a composite plate used for a wall material, a surface material for furniture or a door, an external wall material, or a water-related shelf board and further used for a building material, a fixture material, and the like to be folded for use. CONSTITUTION:A three-layer sheet 3 formed by fusing paper 31 to both surfaces of a thermoplastic resin sheet 32 is attached to each surface of a wood-based substrate 2, such as a fibreboard, a particle board, or a plywood. In this manner, the thermoplastic resin sheet 32 fused between the two sheets of paper 31, 31 interrupts water or moisture from the external and imparts a moisture resistance. At the same time, the paper 31 easily adheres to the wood-based substrate 2 and also to another member in the application for manufacturing furniture or the like.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、壁材、家具やドアの表
面材、外壁材或いは水廻り棚板、更には折り曲げて用い
られる建材や造作材などに使用可能な程度の耐湿性を有
する複合板、即ち耐湿性複合板に関するものである。
INDUSTRIAL APPLICABILITY The present invention has a moisture resistance to the extent that it can be used for wall materials, surface materials for furniture and doors, outer wall materials or water shelf boards, and building materials and construction materials that are bent. The present invention relates to a composite plate, that is, a moisture resistant composite plate.

【0002】[0002]

【従来の技術】従来、この種の用途にはファイバーボー
ド、パーティクルボード等の木質基材が広く用いられて
いるが、この木質基材は、水分や湿気により伸びや変形
を起こし易い属性を有することから、家具やドアの表面
材に使用した場合、家具やドアを製造する際に使用した
接着剤の水分で伸びたり、表面材の加湿によって変形し
たりする危険性があった。これら欠点を解消するため、
木質基材の両面又は片面に、ポリエチレン、ポリプロ
ピレン、塩化ビニル等のシートを貼ったもの、シーラ
ー塗装を施したもの、紙を貼ったものがあった。
2. Description of the Related Art Conventionally, wood base materials such as fiberboard and particle board have been widely used for this kind of use, but the wood base materials have an attribute that they are easily stretched or deformed by moisture or humidity. Therefore, when used as a surface material for furniture or doors, there is a risk that the adhesive used when manufacturing the furniture or door may expand due to moisture, or the surface material may be deformed by humidification. To eliminate these drawbacks,
There were those in which a sheet of polyethylene, polypropylene, vinyl chloride or the like was attached to both sides or one side of a wooden base material, those to which sealer coating was applied, and those to which paper was attached.

【0003】[0003]

【発明が解決しようとする課題】ところが、樹脂シー
トを貼ったものは、耐湿性は向上するものの、家具等の
製作の際芯材となる他部材、例えば木材やパーティクル
ボード等の木質下地材との接着、または壁材として施工
する際、木材等の壁下地材との接着において酢酸ビニル
系の安価な接着剤が使用できず、エポキシ系或いはゴム
系の接着剤を使用していたので、作業性が悪く、コスト
が高くなるという問題があった。また、この樹脂シート
をファイバーボード、パーティクルボード等の木質基材
に接着する場合、エチレン−酢酸ビニル共重合樹脂接着
剤などの比較的高価な接着剤を必要とするため、コスト
が高くなるという製造面での問題があった。
However, although the resin sheet is adhered to it, the moisture resistance is improved, but it can be used as a core material during the production of furniture or the like, for example, as a wood base material such as wood or particle board. Since it was not possible to use an inexpensive vinyl acetate adhesive for adhesion to wood or other wall base materials such as wood when using it as a wall material, an epoxy or rubber adhesive was used. There was a problem that the cost was high because of poor performance. In addition, when the resin sheet is bonded to a wood substrate such as a fiberboard or a particle board, a relatively expensive adhesive such as an ethylene-vinyl acetate copolymer resin adhesive is required, resulting in a high cost. There was a problem in terms of aspect.

【0004】また、シーラー塗装したものは、比較的
安価で容易に製造できるが、塗装面と他部材との接着
が、前記ポリエチレン、ポリプロピレン、塩化ビニル等
の樹脂シートを貼ったものと同様、接着剤としてエポキ
シ系或いはゴム系のものを使用する必要があるので、コ
スト面および作業性に問題があった。
The sealer-coated product is relatively inexpensive and can be easily manufactured, but the adhesion between the coated surface and other members is the same as the case where the resin sheet such as polyethylene, polypropylene or vinyl chloride is attached. Since it is necessary to use epoxy type or rubber type as the agent, there are problems in cost and workability.

【0005】また、紙を貼ったものは、コスト面と他
部材との接着性には特に問題ないが、耐湿性が劣るとい
う根本的な問題があった。
Further, the paper-pasted product has no particular problem in terms of cost and adhesiveness to other members, but has a fundamental problem of poor moisture resistance.

【0006】本発明は、上記問題に鑑み、耐湿性に優
れ、他部材との接着が容易で安価に出来る耐湿性複合板
を提供することを目的とする。
In view of the above problems, an object of the present invention is to provide a moisture resistant composite plate which has excellent moisture resistance, can be easily bonded to other members, and can be inexpensive.

【0007】[0007]

【課題を解決するための手段】即ち、本発明は、木質基
材(2)の両面又は片面に、熱可塑性樹脂シート(3
2)の両面にそれぞれ紙(31)が融着された三層シー
ト(3)を貼設して構成される。
That is, according to the present invention, a thermoplastic resin sheet (3) is provided on both sides or one side of a wood base material (2).
A three-layer sheet (3) in which paper (31) is fused on both sides of (2) is attached.

【0008】また、本発明は、木質基材(2)の一面
に、熱可塑性樹脂シート(32)の両面にそれぞれ紙
(31)が融着された三層シート(3)を貼設し、前記
木質基材の他面にV溝(2a)をその先端が前記三層シ
ートに達する形で形設して構成される。
Further, according to the present invention, a three-layer sheet (3) in which paper (31) is fused to both surfaces of a thermoplastic resin sheet (32) is attached to one surface of a wood base material (2), A V-shaped groove (2a) is formed on the other surface of the wood base material such that its tip reaches the three-layer sheet.

【0009】また、上記三層シート(3)を構成する各
紙(31)として、パルプの交点に合成樹脂による接合
処理が施されたハード紙を用いて構成される。
Further, as each paper (31) constituting the above three-layer sheet (3), a hard paper having a joining process with a synthetic resin at an intersection of pulp is used.

【0010】なお、括弧内の番号等は、図面における対
応する要素を表わす便宜的なものであり、従って、本発
明は図面上の記載に限定拘束されるものではない。この
ことは「特許請求の範囲」及び「作用」の欄についても
同様である。
The numbers in parentheses are for convenience of showing corresponding elements in the drawings, and the present invention is not limited to the description in the drawings. This also applies to the "Claims" and "Action" columns.

【0011】[0011]

【作用】上記した構成により、本発明では、2枚の紙
(31、31)の間に融着された熱可塑性樹脂シート
(32)が外部からの水分或いは湿気を遮断して耐湿性
を付与すると同時に、紙が木質基材(2)との接着及び
家具等に製造する際の他部材との接着を容易化し、更
に、2枚の紙の間に融着された熱可塑性樹脂シートによ
って三層シート(3)の引張強度が増大するように作用
する。
In the present invention, the thermoplastic resin sheet (32) fused between the two sheets of paper (31, 31) blocks moisture or humidity from the outside and imparts moisture resistance. At the same time, it facilitates the adhesion of the paper to the wood base material (2) and to other members in the production of furniture and the like. It acts to increase the tensile strength of the layered sheet (3).

【0012】[0012]

【実施例】以下、本発明の実施例を図面に基づいて説明
する。
Embodiments of the present invention will be described below with reference to the drawings.

【0013】図1は本発明による耐湿性複合板の一実施
例を示す正面図、図2は本発明の別の実施例を示す正面
図、図3は本発明の更に別の実施例を示す正面図であ
り、(a)は折り曲げ前の状態図、(b)は折り曲げ後
の状態図である。
FIG. 1 is a front view showing an embodiment of the moisture-resistant composite plate according to the present invention, FIG. 2 is a front view showing another embodiment of the present invention, and FIG. 3 is a further embodiment of the present invention. It is a front view, (a) is a state diagram before bending, (b) is a state diagram after bending.

【0014】本発明による耐湿性複合板1は、図1に示
すように、ファイバーボード、パーティクルボード、合
板等の木質基材2を有しており、木質基材2の両面には
それぞれ三層シート3が接着されている。この三層シー
ト3は、熱可塑性樹脂シート32の両面にそれぞれ紙3
1、31が融着されたものであり、例えば、2枚の紙3
1、31の間に熱可塑性樹脂シート32を挟み、その状
態で320℃程度の熱ロール間を通過させることによっ
て作製することが出来る。
As shown in FIG. 1, the moisture-resistant composite board 1 according to the present invention has a wood base material 2 such as fiberboard, particle board, plywood, and the like. The sheet 3 is adhered. The three-layered sheet 3 is formed on both sides of the thermoplastic resin sheet 32 by the paper 3 respectively.
1 and 31 are fused, for example, two sheets of paper 3
It can be manufactured by sandwiching the thermoplastic resin sheet 32 between 1 and 31 and passing it between the heat rolls at about 320 ° C. in that state.

【0015】また、三層シート3を構成する紙31とし
ては、20〜30g/m2 程度の薄葉紙やクラフト紙な
どが使用可能であるが、紙31の紙間剥離を防ぐために
は、パルプの交点にゴム系、アクリル系、酢酸ビニル系
等の合成樹脂による接合処理が施された紙、即ちハード
紙が好ましい。このハード紙を使用することにより紙間
剥離が起こり難くなるので、木質基材2と三層シート3
との接着性が大幅に向上すると同時に、耐湿性複合板1
を家具等の表面材或いは壁材として使用する際における
該耐湿性複合板1と木質下地材との接着性が大幅に向上
する。
As the paper 31 constituting the three-layer sheet 3, thin paper or kraft paper having a weight of 20 to 30 g / m 2 can be used. It is preferable to use paper that has been subjected to a joining treatment with a synthetic resin such as rubber-based, acrylic-based, or vinyl acetate-based at the intersection, that is, hard paper. By using this hard paper, peeling between papers is less likely to occur, so the wood base material 2 and the three-layer sheet 3
Moisture resistant composite board 1
The adhesiveness between the moisture-resistant composite board 1 and the wood base material is greatly improved when the is used as a surface material or wall material for furniture or the like.

【0016】また、三層シート3を構成する熱可塑性樹
脂シート32としては、厚み10〜36μ程度のポリエ
チレン、ポリエステル、ポリオレフィン系の樹脂からな
るシートが適している。これは、厚みが10μより薄い
と樹脂シートにピンホール等が生じ易く、そのため防水
性・防湿性に劣り、逆に、厚みが36μより厚くなる
と、防水性・防湿性は問題ないが、コストが高くなって
経済性に劣ることになるからである。また、これらの樹
脂のなかでも融点が160℃以上のものが耐熱性の点で
好ましい。
As the thermoplastic resin sheet 32 constituting the three-layer sheet 3, a sheet made of polyethylene, polyester or polyolefin resin having a thickness of about 10 to 36 μ is suitable. This is because if the thickness is less than 10μ, pinholes and the like are likely to occur in the resin sheet, and therefore the waterproofness / moistureproofing property is poor. Conversely, if the thickness is more than 36μm, the waterproofing / moistureproofing property is not a problem, but the cost is low. This is because the cost becomes higher and the economy becomes worse. Among these resins, those having a melting point of 160 ° C. or higher are preferable in terms of heat resistance.

【0017】一方、木質基材2に三層シート3を接着す
る接着剤としては、木質基材2と接着する三層シート3
の両面が紙31であるので、コストの安価な酢酸ビニル
系樹脂が使用出来る。なお、これ以外でも木質材料や紙
を接着できる接着剤、例えばエチレン−酢酸ビニル共重
合体(EVA)、オレフィン系樹脂等を使用しても良
い。また、これらを接着する方法としては、木質基材2
の両面又は片面に接着剤を塗布し、三層シート3を木質
基材2と一緒にロール間を通過させて貼り合わせるラミ
ネート方式で行なうことが出来るため、生産性に優れ
る。なお、この他、平板プレスで圧締して貼り合わせる
平板プレス方式を採用しても良いが、生産性の点からは
ラミネート方式が有利である。
On the other hand, as the adhesive for adhering the three-layer sheet 3 to the wooden base material 2, the three-layer sheet 3 for adhering to the wooden base material 2 is used.
Since both sides of the paper 31 are paper 31, vinyl acetate resin, which is inexpensive, can be used. Other than this, an adhesive capable of adhering a wood material or paper, for example, an ethylene-vinyl acetate copolymer (EVA) or an olefin resin may be used. Moreover, as a method of adhering these, the wood base material 2
Since it can be performed by a laminating method in which an adhesive is applied to both sides or one side and the three-layer sheet 3 is pasted between the rolls together with the wood base material 2, the productivity is excellent. In addition to this, a flat plate pressing method in which a flat plate press is used for laminating may be adopted, but the laminating method is advantageous from the viewpoint of productivity.

【0018】本発明による耐湿性複合板1は以上のよう
な構成を有するので、水分や湿気によって収縮や変形を
起こし易い木質基材2はその両面が三層シート3で保護
されることとなり、従って耐湿性複合板1の耐湿性が大
幅に改善される。
Since the moisture-resistant composite board 1 according to the present invention has the above-mentioned constitution, both sides of the wood base material 2 which is easily contracted or deformed by moisture or humidity are protected by the three-layer sheet 3, Therefore, the moisture resistance of the moisture resistant composite plate 1 is significantly improved.

【0019】なお、図1に示す実施例においては、木質
基材2の両面にそれぞれ三層シート3を接着した耐湿性
複合板1について説明したが、図2に示すように、2枚
の紙31、31と熱可塑性樹脂シート32とからなる三
層シート3を木質基材2の片面にのみ接着しても構わな
い。木質基材2の片面のみに三層シート3を貼設した場
合には、他方の面(三層シート3を貼設しない面)に塩
化ビニルの印刷シートを貼設したりプリント紙を貼った
上に樹脂コーティングを施したりして表面仕上げを行な
う。
In the embodiment shown in FIG. 1, the moisture-resistant composite board 1 in which the three-layer sheet 3 is adhered to both sides of the wood base material 2 has been described, but as shown in FIG. The three-layer sheet 3 composed of 31, 31 and the thermoplastic resin sheet 32 may be adhered to only one surface of the wooden base material 2. When the three-layer sheet 3 is attached to only one side of the wood base material 2, a vinyl chloride printing sheet or a printing paper is attached to the other side (the side on which the three-layer sheet 3 is not attached). The surface is finished by applying a resin coating on top.

【0020】また、化粧表面を連続して残した折り曲げ
製品に本発明による耐湿性複合板1を適用する場合に
は、図3(a)に示すように、木質基材2の一面(図3
(a)上面)に三層シート3を接着し、木質基材2の他
面(図3(a)下面)にV溝2aをその先端が三層シー
ト3に達する形で形設する。そして、図3(b)に示す
ように、このV溝2aを折り目として耐湿性複合板1を
直角に折り曲げればよい。このときも、水分や湿気によ
って収縮や変形を起こし易い木質基材2は三層シート3
で保護されることとなり、従って耐湿性複合板1の耐湿
性が大幅に改善される。
When the moisture-resistant composite board 1 according to the present invention is applied to a folded product in which the decorative surface is continuously left, as shown in FIG. 3 (a), one surface of the wood base material 2 (FIG. 3) is used.
The three-layer sheet 3 is adhered to (a) the upper surface, and the V groove 2a is formed on the other surface (the lower surface in FIG. 3 (a)) of the wood base material 2 so that its tip reaches the three-layer sheet 3. Then, as shown in FIG. 3B, the moisture resistant composite plate 1 may be bent at a right angle with the V groove 2a as a fold. Also at this time, the wooden base material 2 that easily contracts or deforms due to moisture or humidity is the three-layer sheet 3
Therefore, the moisture resistance of the moisture resistant composite plate 1 is greatly improved.

【0021】実施例1 板厚3.5mmのファイバーボードの両面にエマルジョン
タイプの酢酸ビニル系接着剤(木工ボンド)をロールコ
ーターで塗布し、この接着剤を塗布したファイバーボー
ドの両面に、23g/m2 の薄葉紙の間に20μのポリ
エチレンフイルムを積層融着した三層シートを供給しな
がら、ロール間を通過させて、両面に三層シートを貼っ
た耐湿性複合板を得た。この耐湿性複合板についてJI
S A5907に準拠して耐水、耐湿性能を測定した。
その結果を表1に示す。また、この耐湿性複合板をエマ
ルジョンタイプの酢酸ビニル系接着剤(木工ボンド)で
木材に接着し、40mm×40mmサイズの試験体による平
面引張試験で接着性能を測定した。その結果を表1に示
す。
Example 1 An emulsion-type vinyl acetate adhesive (woodworking bond) was applied to both sides of a fiberboard having a plate thickness of 3.5 mm by a roll coater, and 23 g / while supplying a three-layer sheet formed by laminating fused polyethylene film of 20μ between thin paper m 2, by passage through the rolls, to obtain a moisture-resistant composite plate stuck three-layer sheet on both sides. About this moisture resistant composite board JI
Water resistance and moisture resistance were measured according to S A5907.
The results are shown in Table 1. The moisture-resistant composite plate was adhered to wood with an emulsion type vinyl acetate adhesive (woodworking bond), and the adhesion performance was measured by a plane tensile test using a 40 mm × 40 mm size test body. The results are shown in Table 1.

【0022】実施例2 実施例1において、三層シートの薄葉紙を23g/m2
のハード紙に変えた三層シートを同様な方法で両面に貼
り合わせて耐湿性複合板を得た。この耐湿性複合板につ
いて実施例1と同一の試験方法で耐水、耐湿、接着性能
を測定した。その結果を表1に示す。
Example 2 In Example 1, 23 g / m 2 of three-layer sheet thin paper was used.
The three-layer sheet changed to the hard paper of No. 3 was attached to both sides in the same manner to obtain a moisture resistant composite board. With respect to this moisture resistant composite plate, water resistance, moisture resistance and adhesive performance were measured by the same test method as in Example 1. The results are shown in Table 1.

【0023】比較例1 実施例1において、三層シートを23g/m2 の薄葉紙
に変えて、同様な方法で両面に薄葉紙を貼り合わせた耐
湿性複合板を得た。この耐湿性複合板について実施例1
と同一の試験方法で耐水、耐湿、接着性能を測定した。
その結果を表1に示す。
Comparative Example 1 In Example 1, the three-layer sheet was replaced with 23 g / m 2 thin paper, and a moisture-resistant composite board was prepared by laminating thin paper on both sides in the same manner. Example 1 of this moisture resistant composite plate
Water resistance, moisture resistance, and adhesion performance were measured by the same test method as described above.
The results are shown in Table 1.

【0024】比較例2 実施例1において、三層シートを20μのポリエチレン
フイルムに変え、接着剤をエチレン−酢酸ビニル共重合
樹脂接着剤に変え、更に、貼り合わせ方法もロール間を
通過させた後、平板プレスで圧締して両面にポリエチレ
ンフイルムを貼り合わせる方法に変えて耐湿性複合板を
得た。この耐湿性複合板について実施例1と同一の試験
方法で耐水、耐湿、接着性能を測定した。その結果を表
1に示す。
Comparative Example 2 In Example 1, the three-layer sheet was changed to a polyethylene film of 20 μm, the adhesive was changed to an ethylene-vinyl acetate copolymer resin adhesive, and the laminating method was also after passing between the rolls. A moisture resistant composite board was obtained by changing the method of pressing with a flat plate press and laminating the polyethylene film on both sides. With respect to this moisture resistant composite plate, water resistance, moisture resistance and adhesive performance were measured by the same test method as in Example 1. The results are shown in Table 1.

【0025】また、木質基材の性能と比較するため、実
施例1で木質基材として使用したファイバーボードの耐
水、耐湿性能を測定した。その結果を表1に示す。
Further, in order to compare with the performance of the wood base material, the water resistance and moisture resistance performance of the fiberboard used as the wood base material in Example 1 were measured. The results are shown in Table 1.

【0026】[0026]

【表1】 [Table 1]

【0027】表1から明らかなように、比較例1、2に
比べて実施例1、2は、耐水性および耐湿性に優れると
共に、接着性にも優れる。
As is apparent from Table 1, Examples 1 and 2 are superior in water resistance and moisture resistance to Comparative Examples 1 and 2, and also in adhesiveness.

【0028】[0028]

【発明の効果】以上説明したように、本発明によれば、
木質基材2の両面又は片面に、熱可塑性樹脂シート32
の両面にそれぞれ紙31が融着された三層シート3を貼
設して構成したので、家具等を製造する際、或いは壁材
として使用する場合、紙31と木質下地材とを接着する
ことになるので、安価なエマルジョンタイプの酢酸ビニ
ル系接着剤(木工ボンド)が使用できる。しかも、三層
シート3の中間層の熱可塑性樹脂シート32が外部から
の湿気を遮断するため、接着剤の水分に起因する木質基
材2の膨張収縮がないので、変形や反り等が生じること
がない。更に、本耐湿性複合板1を製造する際、或いは
本耐湿性複合板1を家具の表面材や壁材に使用する際、
下地となる木質材に対する接着は、同様に価格の安いエ
マルジョンタイプの酢酸ビニル系接着剤で良いので、コ
ストが安く、作業性にも優れることになる。
As described above, according to the present invention,
The thermoplastic resin sheet 32 is provided on both sides or one side of the wooden base material 2.
Since the three-layer sheet 3 in which the paper 31 is fused on both sides of the sheet is laminated, the paper 31 and the wood base material should be adhered to each other when manufacturing furniture or using it as a wall material. Therefore, an inexpensive emulsion type vinyl acetate adhesive (woodworking bond) can be used. Moreover, since the thermoplastic resin sheet 32, which is the intermediate layer of the three-layer sheet 3, blocks moisture from the outside, there is no expansion or contraction of the wooden base material 2 due to the moisture of the adhesive, so that deformation or warpage occurs. There is no. Furthermore, when manufacturing the moisture-resistant composite board 1, or when using the moisture-resistant composite board 1 as a surface material or a wall material for furniture,
Similarly, an inexpensive vinyl acetate adhesive of emulsion type can be used for adhesion to the wood material as the base, so that the cost is low and the workability is excellent.

【0029】また、木質基材2の一面に、熱可塑性樹脂
シート32の両面にそれぞれ紙31が融着された三層シ
ート3を貼設し、前記木質基材2の他面にV溝2aをそ
の先端が前記三層シート3に達する形で形設して構成し
たので、2枚の紙31、31の間に融着された熱可塑性
樹脂シート32によって三層シート3の引張強度が増大
することから、木質基材2のV溝2aを折り目として耐
湿性複合板1を折り曲げることで、三層シート3を連続
して残した折り曲げ製品が得られ、しかも、安価なエマ
ルジョンタイプの酢酸ビニル系接着剤が使用できると共
に、変形や反り等が生じず、作業性にも優れる。
On one surface of the wood base material 2, a three-layer sheet 3 in which paper 31 is fused on both sides of a thermoplastic resin sheet 32 is stuck, and on the other surface of the wood base material 2, a V groove 2a is formed. Is formed so that its tip reaches the three-layer sheet 3, the thermoplastic resin sheet 32 fused between the two sheets of paper 31, 31 increases the tensile strength of the three-layer sheet 3. Therefore, by folding the moisture-resistant composite plate 1 with the V groove 2a of the wooden base material 2 as the crease, a folded product in which the three-layer sheet 3 is continuously left can be obtained, and the emulsion type vinyl acetate is inexpensive. A system adhesive can be used, and deformation and warpage do not occur and workability is excellent.

【0030】また、上記三層シート3を構成する各紙3
1として、パルプの交点に合成樹脂による接合処理が施
されたハード紙を用いて構成すると、紙間剥離が起こり
難くなり、木質基材2と三層シート3或いは当該耐湿性
複合板1と木質下地材との接着力に優れる。
Further, each paper 3 which constitutes the above three-layer sheet 3
When the hard paper having the joining process with the synthetic resin at the intersection of the pulp is used as the first item, peeling between the papers hardly occurs, and the wood base material 2 and the three-layer sheet 3 or the moisture resistant composite board 1 and the wood material Excellent adhesion to the base material.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明による耐湿性複合板の一実施例を示す正
面図である。
FIG. 1 is a front view showing an embodiment of a moisture resistant composite plate according to the present invention.

【図2】本発明の別の実施例を示す正面図である。FIG. 2 is a front view showing another embodiment of the present invention.

【図3】本発明の更に別の実施例を示す正面図であり、
(a)は折り曲げ前の状態図、(b)は折り曲げ後の状
態図である。
FIG. 3 is a front view showing still another embodiment of the present invention,
(A) is a state diagram before bending, (b) is a state diagram after bending.

【符号の説明】[Explanation of symbols]

1……耐湿性複合板 2……木質基材 2a……V溝 3……三層シート 31……紙 32……熱可塑性樹脂シート 1 ... Moisture-resistant composite board 2 ... Wood base material 2a ... V groove 3 ... Three-layer sheet 31 ... Paper 32 ... Thermoplastic resin sheet

───────────────────────────────────────────────────── フロントページの続き (72)発明者 杉浦 豊雄 愛知県名古屋市南区西又兵衛町4丁目8番 地 三井ボード加工株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Toyo Sugiura 4-8 Nishimatabe-cho, Minami-ku, Nagoya-shi Aichi Prefecture Mitsui Board Processing Co., Ltd.

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 木質基材(2)の両面又は片面に、熱可
塑性樹脂シート(32)の両面にそれぞれ紙(31)が
融着された三層シート(3)を貼設して構成した耐湿性
複合板。
1. A three-layer sheet (3) having paper (31) fused to both sides of a thermoplastic resin sheet (32) is attached to both sides or one side of a wood base material (2). Moisture resistant composite board.
【請求項2】 木質基材(2)の一面に、熱可塑性樹脂
シート(32)の両面にそれぞれ紙(31)が融着され
た三層シート(3)を貼設し、前記木質基材の他面にV
溝(2a)をその先端が前記三層シートに達する形で形
設して構成した耐湿性複合板。
2. A three-layer sheet (3) having paper (31) fused to both sides of a thermoplastic resin sheet (32) is attached to one surface of the wooden base material (2), and the wooden base material is attached. V on the other side
A moisture-resistant composite plate formed by forming grooves (2a) such that the tips thereof reach the three-layer sheet.
【請求項3】 三層シート(3)を構成する各紙(3
1)として、パルプの交点に合成樹脂による接合処理が
施されたハード紙を用いたことを特徴とする請求項1又
は請求項2記載の耐湿性複合板。
3. Each paper (3) that constitutes the three-layer sheet (3)
The moisture-resistant composite board according to claim 1 or 2, characterized in that as 1), a hard paper having a joining process with a synthetic resin applied at an intersection of pulp is used.
JP32190494A 1993-12-28 1994-12-26 Moisture-resistant composite plate Pending JPH07232305A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP32190494A JPH07232305A (en) 1993-12-28 1994-12-26 Moisture-resistant composite plate

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP7027893 1993-12-28
JP5-70278 1993-12-28
JP32190494A JPH07232305A (en) 1993-12-28 1994-12-26 Moisture-resistant composite plate

Publications (1)

Publication Number Publication Date
JPH07232305A true JPH07232305A (en) 1995-09-05

Family

ID=26411445

Family Applications (1)

Application Number Title Priority Date Filing Date
JP32190494A Pending JPH07232305A (en) 1993-12-28 1994-12-26 Moisture-resistant composite plate

Country Status (1)

Country Link
JP (1) JPH07232305A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0929919A (en) * 1995-07-20 1997-02-04 Dainippon Printing Co Ltd Decorative panel
JP2005145077A (en) * 2005-01-26 2005-06-09 Dainippon Printing Co Ltd Decorative laminate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0929919A (en) * 1995-07-20 1997-02-04 Dainippon Printing Co Ltd Decorative panel
JP2005145077A (en) * 2005-01-26 2005-06-09 Dainippon Printing Co Ltd Decorative laminate

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