JPH0379185B2 - - Google Patents
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- Publication number
- JPH0379185B2 JPH0379185B2 JP16848884A JP16848884A JPH0379185B2 JP H0379185 B2 JPH0379185 B2 JP H0379185B2 JP 16848884 A JP16848884 A JP 16848884A JP 16848884 A JP16848884 A JP 16848884A JP H0379185 B2 JPH0379185 B2 JP H0379185B2
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- JP
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- adhesive
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Landscapes
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Description
（産業上の利用分野）
本発明は天然銘木化粧シートならびに該化粧シ
ートを貼着してなる天然銘木化粧板に係り、詳し
くは建物や住宅の壁面材、天井材、扉面材等の内
装材、あるいは家具、キヤビネツト、楽器、電気
製品等の表面化粧材として利用できる化粧シート
ならびに化粧板に関する。
（従来の技術）
近年、建物や住宅の壁面材あるいは天井材とし
てベニヤ板を基材とした化粧板が多く使用されて
きており、また家具、キヤビネツト等の表面化粧
材として化粧シート等が用いられてきている。
ところで、この種の化粧壁面や化粧天井を改装
するにあたつては、化粧板を壁面より剥離し、改
めて新しい化粧板を貼着する方向が採用されてい
る。しかしながらこの方法にあつては、剥離の際
ビニヤ板基材が割れて裂けて壁材等に残ることが
多く、この残存基材を取除く必要があるなど、改
装作業が面倒であつた。また、化粧板全体を取り
替える方法であるため、改装費用が高く尽き、経
済的でないなどの種々の欠点を有していた。そこ
で、簡便かつ経済的な改装方法として、使用中の
化粧板表面（あるいは表面層の化粧単板を剥した
化粧板表面）に直接薄手の化粧プラスチツクシー
トや化粧壁紙を貼付ける方法も従来より行なわれ
ている。しかし、この方法では、桧、欅等の銘木
特有の木目が内装材表面に表われないだけでな
く、貼着後撚れ、縮み、カールなどを生じ易く、
広い面積を凹凸なく貼着することが困難であつ
た。
また、家具あるいはキヤビネツトの表面材とし
ての化粧シートにあつても寸法安定性が悪く、貼
着した場合の反りが発生する問題点も有している
のである。
一方、化粧シートを例えばベニヤ板等の合板に
貼着した化粧板も提供されているが、この場合に
あつも化粧シートの寸法安定性が良くないため、
合板の吸湿等により化粧シートに伸縮が生じ、化
粧板の品質不多の発生といつた問題点が生じてい
た。
（発明が解決しようとする問題点）
本発明は前述の如く、従来の化粧シートに散見
される寸法安定性の悪さを解決し、化粧シートお
よび該シートを貼着した化粧板が吸湿あるいは乾
燥により“あばれ”を生じないようにし、それに
より化粧シート自体にそりの発生を防止し、また
表面のフラツト性を確保しようとするものであ
る。
したがつて本発明は、改装を簡便かつ経済的に
行ない得、その上仕上り具合が良好な化粧シート
を提供することにあり、また曲げが可能で加工性
に富み、湾曲部や曲面部の内装材などに有用な化
粧シートを提供することにある。
さらに、本発明は前記化粧シートを合板等の基
材に貼着した化粧板を提供せんとするものでもあ
る。
（問題点を解決するための手段）
本発明者は上述の問題点を解決し、品質の良好
な化粧シートを提供すべく検討を行い、特に化粧
シートの基材の一種としてアルミニウムあるいは
鉄等の金属箔を内在させれば寸法安定性が確保で
き、かつこの金属箔をポリエチレン層またはポリ
プロピレン層で加熱融着することにより良好な接
着性が得られることを新規に見出し、本発明を完
成させたのである。
すなわち本発明の化粧シートは、積層体とし
て、
和紙、クラフト紙、薄葉紙、含浸加工紙等の紙
あるいは不織布；
ポリエチレン層またはポリプロピレン層；
アルミニウム、鉄等の金属箔；
ポリエチレン層またはポリプロピレン層；
和紙、クラフト紙、薄葉紙、含浸加工紙等の紙
あるいは不織布；
を積層してなる積層体の表面上に、更に銘木単板
を常温硬化性、熱硬化性、または熱可塑性樹脂接
着剤を介して積層し；
該銘木単板−前記積層体なる積層物を熱圧締、
または熱圧および冷圧締して成る；
ことを特徴とするものである。
さらに本発明者は、上記化粧シートを合板等の
基材を貼着した化粧板が建物あるいは住宅の内装
材として良好なものである点に着目し、該化粧板
を提供するものであり、かかる化粧板は、積層体
として、
和紙、クラフト紙、薄葉紙、含浸加工紙等の紙
あるいは不織布；
ポリエチレン層またはポリプロピレン層；
アルミニウム、鉄等の金属箔；
ポリエチレン層またはポリプロピレン層；
和紙、クラフト紙、薄葉紙、含浸加工紙等の紙
あるいは不織布；
を積層してなる積層体の表面上に、更に銘木単板
を常温硬化性、熱硬化性、または熱可塑性樹脂接
着剤を介して積層し；
該銘木単板−前記積層体なる積層物の下面に、
常温硬化性、熱硬化性、または熱可塑性樹脂接着
剤を介して合板等の基材を貼着し；
銘木単板−積層体−基材なる積層物を、冷圧
締、熱圧締、または熱圧および冷圧締してなる；
ことを特徴とするものである。
（作用）
すなわち本発明の化粧シートならびに化粧板に
あつては、特に化粧シートの基材材料としてアル
ミニウムまたは鉄等の金属箔を用い、更にその金
属箔の接着にポリエチレン層またはポリプロピレ
ン層を用いたことにより、適度の剛性および可撓
性を有し、かつ寸法に安定で曲げ可能を確保した
ものである。更にこのような寸法安定性のある化
粧シートを貼着した化粧板であり、長期間の放置
によつてもなんら品質の低下しないものである。
（実施例）
以下に本発明の化粧シートならびに化粧板を図
面に基づき更に詳細に説明する。
第１図は本発明の化粧シートの断面図を示した
ものである。すなわち本発明の化粧シート１は、
銘木単板２、接着剤３、および基剤４の積層体を
後述する圧締処理したものである。
この場合の銘木単板２は、各種の銘木、例えば
桧、楢、欅、桜、楡等の国産材、チーク、ローズ
ウツド、ウオールナツト、マホガニー、ゼブラウ
ツド等の輸入材を、例えば0.15〜0.60mm厚に薄く
切削した〓板である。
接着剤３は、常温硬化性、熱硬化性または熱可
塑性接着剤であつて、化粧単板貼着用として圧締
処理によつて接着剤自体が単体表面より滲み出さ
ない様に配合されたものであれば良い。例えば、
酢酸ビニル樹脂系、ラテツクス系、ユリア樹脂
系、水性ビニルウレタン樹脂系のものであり、具
体的には水溶性メラミン樹脂、スチレン−ブタジ
エン樹脂などを挙げることができる。
基材４は第１図に示す如く、和紙、クラフト
紙、薄葉紙、含浸加工紙等の紙あるいは不織布
５、ポリエチレンまたはポリプロピレン層６、ア
ルミニウム、鉄等の金属箔７、ポリエチレンまた
はポリプロピレン層８、および和紙、クラフト
紙、薄葉紙、含浸加工紙等の紙あるいは不織布９
からなる多層積層構造を有しており、積層構造を
形成す各層自体は、それぞれ特徴的な性質を有す
るのである。
すなわち、基材４の積層構造を構成する和紙、
クラフト紙、薄葉紙、含浸加工紙等の紙あるいは
不織布５は、アルミニウム、鉄等の金属箔７の輝
きがポリエチレンまたはポリプロピレン層６を通
して銘木単板２の表面に出ないように隠蔽すると
ともに、後述する接着工程で銘木単板２とポリエ
チレン層またはポリプロピレン層６との接着を容
易にするために積層されるものである。この場合
の紙あるいは不織布５は、坪量10〜150ｇ／m2、
好ましくは約20〜50ｇ／m2である。
ポリエチレン層またはポリプロピレン層６は、
紙あるいは不織布５と金属箔７とのラミネートコ
ーテイング（接着）をするために積層されるもの
である。この場合のポリエチレン層またはポリプ
ロピレン層の厚さは７〜150μ、好ましくは約20
〜40μであることが良い。
アルミニウム、鉄等の金属箔７は、AlやFe等
の強い剛性により伸縮が一定化される。したがつ
てかかる金属箔７を積層することにより銘木単板
２の乾燥あるいは吸湿による動きを止め、シート
１表面クラツク防止あるいはシートのあばれ防止
に役立つとともに、シート１を合板に貼着した際
の反りの発生を防止するものである。さらに、金
属箔７は、水分の拡散を制限するため、化粧シー
ト１の防水、防湿性の向上に貢献するものであ
る。このことから、金属箔７は厚さ７〜100μ、
好ましくは約15〜20μであるとよい。
また、ポリエチレン層またはポリプロピレン層
８を設けて、基材４中に複数層のポリエチレン層
またはポリプロピレン層を備えたことにより、化
粧シート１に適度な柔軟性をもたせることがで
き、かつアルカリ分が基材裏面から化粧シート１
へ浸透することを防止している。これは例えば化
粧シートを貼着する壁材がモルタルなどのアルカ
リ性材料から成る場合には、特に有効である。な
お、このポリエチレン層またはポリプロピレン層
８は、金属箔７と紙あるいは不織布９との接着を
良好ならしめるために用いることは前述のポリエ
チレン層またはポリプロピレン層６の場合と同様
であり、その層の厚さも同程度のものが採用され
る。
また、基材４の下面に積層される和紙、クラフ
ト紙、薄葉紙、含浸加工紙等の紙あるいは不織布
９は、化粧シート１とその下に貼着する例えば合
板、壁材等との接着力を向上させるためであり、
その坪量は10〜150ｇ／m2、好ましくは20〜60
ｇ／m2である。
次に本発明の化粧板について説明する。第２図
は本発明の化粧シート１を貼着した化粧板１０の
断面図を示したものである。
すなわち本発明の化粧板１０は、前述の化粧シ
ート１に更に接着剤１１を介し合板等の基材１２
を積層したものを後述の圧締処理したものであ
る。
この場合の化粧シート１の各積層物はすでに前
述のとおりであり、このシート１に接着剤１１を
介し、合板等の基材１２を更に積層するのであ
る。
接着剤１１は酢酸ビニル樹脂系、ラテツクス
系、ユリア樹脂系、水性ビニルウレタ樹脂系のも
のであつて、常温硬化性、熱硬化性または熱可塑
性の合成樹脂接着剤が好ましく、例えば水溶性メ
ラミン樹脂、スチレン−ブタジエン樹脂などが挙
げられる。
次に合板等の基材１２としては、ベニヤ等の合
板、繊維板、パーテイクルボード、紙などの木質
系、合成樹脂板、合成樹脂発泡体などのプラスチ
ツク系、軽カル板、石こうボードなどの窯業系、
アルミニウム、鉄等の金属系あるいはこれらの複
合板などを用いることができる。
この合板等の基材の厚さとしては、本発明の化
粧板１０の使用目的により種々変化させることが
できる。
次に本発明の化粧シート１ならびに化粧シート
１を貼着した化粧板１０の製造方法について記記
す。
すなわち本発明の化粧シート１の製造方法にあ
つては、例えば銘木単板２、接着剤３ならびに紙
あるいは不織布５の構成のものにポリエチレン層
またはポリプロピレン層６、金属箔７、ポリエチ
レン層またはポリプロピレン層８および紙あるい
は不織布９の構成のものを重ね合せるか；あるい
は紙あるいは不織布５、ポリエチレン層またはポ
リプロピレン層６、金属箔７、ポリエチレン層ま
たはポリプロピレン層８および紙あるいは不織布
９の構成なものに接着剤３を介し銘木単板２を重
ね合せ、かかる積層物を圧締することにより製造
される。
この場合の圧締条件は、例えば接着剤３が熱硬
化性樹脂である場合には、前記積層物を熱圧締す
ることにより接着剤３を硬化せしめると共に、該
積層物を薄肉に圧縮するのであるが、例えば温度
約100℃、圧力約７Kg／cm2、時間約90秒の条件で
行うのがよい。
また、接着剤３が熱可塑性樹脂である場合に
は、前記積層物を熱圧縮で接着した後冷圧締する
ことにより、該積層物を薄肉に圧縮せしめる。こ
の場合の熱圧締の条件は、例えば温度約115℃、
圧力７Kg／cm2、時間120秒の条件で行なつた後、
冷圧締を圧力７Kg／cm2の同圧で常温まで冷却して
行なう。
一方、本発明の化粧板１０の製造方法にあつて
は、例えば銘木単板２、接着剤３ならびに紙ある
いは不織布５の構成のものに、ポリエチレン層な
らびにポリプロピレン層６以下の積層物（６，
７，８，９，１１および１２）を重ね合せるか；
または紙あるいは不織布５以下の積層物（５，
６，７，８，９，１１および１２）に接着剤３を
介して銘木単板２を重ね合せるか、または合板等
の基剤１２に接着剤１１を介して化粧シート１を
重ね合せ、前記化粧シートの場合と同様圧締する
ことにより製造される。この場合の圧締条件も、
用いる接着剤３の種類により異なるが、前述の化
粧シートの場合の条件と同様のものが採用され
る。
以下に具体的化粧シートならびに化粧板の製造
例を記すが本発明はこれに限定されるものではな
い。
製造例
化粧シート、化粧シートを貼着した化粧板
第１図および第２図に示す化粧シートおよび化
粧板の積層構造に準じ、各層の構成材料として以
下のものを用いた。
銘木単板２：カバの0.22mm厚およびナラの0.28mm
厚のもの２種類
接着剤３：スチレン−ブタジエン系熱硬化性接着
剤
紙５：和紙（機械すきのもの）坪量28ｇ／m2
ポリエチレン６：40μ厚のポリエチレン
金属箔７：15μ厚のアルミニウム箔
ポリエチレン８：30μ厚のポリエチレン
紙９：純白ロール紙、坪量30ｇ／m2
接着剤１１：スチレン−ブタジエン系熱硬化性接
着剤
基剤１２：４mm厚の普通合板
先ず、紙５／ポリエチレン６／金属箔７／ポリ
エチレン８／紙９の積層体を溶融押出しラミネー
トする。
次いで前記の溶融押出しラミネートとした積層
体の上に接着剤３を塗布し、100℃×７Kg／cm2×
90秒の熱圧締条件で銘木単板２を接着し、化粧シ
ート１を製造した。
化粧板を得るために、基材１２上に接着剤１１
を塗布し、前記で得た化粧シート１をのせ、100
℃×７Kg／cm2×90秒の熱圧締条件で接着した。
なお、得られた化粧板の銘木単板表面を研磨
し、ポリウレタン樹脂塗料で塗装した。
以上のようにして得られた化粧板の耐クラツク
試験を行つた。
対象として、ほぼ同じ部位より切削した銘木単
板と、隣接する位置より採取した合板を使用し、
前記接着剤１１により105℃×７Kg／cm2×90秒の
熱圧締条件で接着した銘木単板−合板である化粧
板（以下：ブランクと呼する）を用いた。
試験方法は、JAS（日本農林規格）、天然木化粧
合板にある寒熱繰返しＢ試験方法に準じた。
すなわち、本発明の前記製造例で得た化粧板お
よびブランクをそれぞれ１辺150mmの正方形状と
なるよう２片づつ作成し、80±３℃の恒温器中２
時間放置次いで−20℃±３℃の恒温器中２時間放
置の１サイクルを４回繰返し、各化粧板における
クラツクの発生を観察した。
割れ本数のカウント方法として、タテ、ヨコ15
cm角内に１cm間隔で碁盤の目のようにタテヨコに
線を引き１cm角のマス目を15×15＝225個作る。
各マス目内のクラツク数をカウントし、合計数で
表わした。
各マス目内のクラツクのカウント方法は１個の
マス目内におさまつているクラツクは１とし、他
のマス目まで入いつているクラツクは各マス目で
それぞれ１としてカウントする。
得られた結果を次表に示す。
(Industrial Application Field) The present invention relates to a decorative natural wood decorative sheet and a decorative natural wood board made by pasting the decorative sheet, and more specifically to interior materials such as wall materials, ceiling materials, door materials, etc. of buildings and residences. The present invention also relates to decorative sheets and decorative boards that can be used as decorative surface materials for furniture, cabinets, musical instruments, electrical appliances, etc. (Prior art) In recent years, decorative laminates based on plywood have been widely used as wall and ceiling materials for buildings and homes, and decorative sheets have also been used as surface decorative materials for furniture, cabinets, etc. ing. By the way, when renovating this type of decorative wall surface or decorative ceiling, a method is adopted in which the decorative board is peeled off from the wall surface and a new decorative board is pasted anew. However, with this method, the vinyl board base material often cracks and tears during peeling and remains on the wall material, etc., and it is necessary to remove this remaining base material, making the renovation work troublesome. In addition, since the method involves replacing the entire decorative board, it has various disadvantages such as high renovation costs and being uneconomical. Therefore, as a simple and economical renovation method, a method of directly pasting a thin decorative plastic sheet or decorative wallpaper onto the surface of the decorative board in use (or the surface of the decorative board from which the surface layer of decorative veneer has been removed) has traditionally been carried out. It is. However, with this method, not only does the grain characteristic of precious woods such as cypress and zelkova not appear on the surface of the interior material, but it also tends to cause twisting, shrinkage, and curling after pasting.
It was difficult to adhere a large area without unevenness. Furthermore, decorative sheets used as surface materials for furniture or cabinets also have the problem of poor dimensional stability and warping when pasted. On the other hand, decorative boards are also available in which a decorative sheet is attached to plywood such as plywood, but in this case, the dimensional stability of the decorative sheet is not good.
The decorative sheet expands and contracts due to the moisture absorption of the plywood, leading to problems such as poor quality of the decorative sheet. (Problems to be Solved by the Invention) As described above, the present invention solves the poor dimensional stability that is sometimes found in conventional decorative sheets, and the decorative sheet and the decorative board to which the sheet is attached can absorb moisture or dry out. The purpose is to prevent "flares" from occurring, thereby preventing warping of the decorative sheet itself, and ensuring the flatness of the surface. Therefore, an object of the present invention is to provide a decorative sheet that can be easily and economically refurbished and has a good finish.It is also bendable and highly workable, and can be used for interior decoration of curved parts and curved surfaces. The purpose of the present invention is to provide decorative sheets useful for materials such as wood. Furthermore, the present invention also provides a decorative board in which the decorative sheet is adhered to a base material such as plywood. (Means for Solving the Problems) The present inventor has conducted studies to solve the above-mentioned problems and provide a decorative sheet with good quality, and has particularly focused on using aluminum or iron as a type of base material for decorative sheets. The present inventors have newly discovered that dimensional stability can be ensured by incorporating metal foil, and that good adhesion can be obtained by heat-sealing this metal foil with a polyethylene layer or polypropylene layer, and have completed the present invention. It is. That is, the decorative sheet of the present invention includes, as a laminate, paper or nonwoven fabric such as Japanese paper, kraft paper, tissue paper, and impregnated processed paper; a polyethylene layer or a polypropylene layer; a metal foil such as aluminum or iron; a polyethylene layer or a polypropylene layer; Paper such as kraft paper, thin paper, impregnated processed paper, or non-woven fabric; on the surface of the laminate, a precious wood veneer is further laminated via a room-temperature curing, thermosetting, or thermoplastic resin adhesive. ; Heat pressing the laminate of the precious wood veneer-the laminate;
or by hot pressing and cold pressing; Furthermore, the present inventor has focused on the fact that a decorative board in which a base material such as plywood is attached to the above-mentioned decorative sheet is suitable as an interior material for a building or a house, and has provided such a decorative board. Decorative board is a laminate made of paper or non-woven fabric such as Japanese paper, kraft paper, tissue paper, impregnated paper; polyethylene layer or polypropylene layer; metal foil such as aluminum or iron; polyethylene layer or polypropylene layer; Japanese paper, kraft paper, tissue paper. , paper such as impregnated paper, or non-woven fabric; Further, a precious wood veneer is laminated via a room-temperature curable, thermosetting, or thermoplastic resin adhesive on the surface of the laminate; plate - on the underside of the laminate, the laminate;
A base material such as plywood is attached using a cold-curing, thermosetting, or thermoplastic resin adhesive. It is characterized by being formed by hot pressing and cold pressing. (Function) That is, in the case of the decorative sheet and decorative board of the present invention, in particular, a metal foil such as aluminum or iron is used as the base material of the decorative sheet, and a polyethylene layer or a polypropylene layer is used to bond the metal foil. As a result, it has appropriate rigidity and flexibility, and is dimensionally stable and bendable. Furthermore, this is a decorative board to which such a dimensionally stable decorative sheet is attached, and the quality does not deteriorate even if left for a long period of time. (Example) The decorative sheet and decorative board of the present invention will be explained in more detail below based on the drawings. FIG. 1 shows a sectional view of the decorative sheet of the present invention. That is, the decorative sheet 1 of the present invention is
A laminate of a precious wood veneer 2, an adhesive 3, and a base material 4 is subjected to a pressing process as described below. In this case, the precious wood veneer 2 is made of various kinds of precious woods, such as Japanese cypress, oak, zelkova, cherry tree, elm, etc., or imported materials such as teak, rosewood, walnut, mahogany, zebra wood, etc., with a thickness of 0.15 to 0.60 mm. It is a thinly cut plate. Adhesive 3 is a room-temperature curing, thermosetting or thermoplastic adhesive, and is formulated to prevent the adhesive itself from seeping out from the surface of the single piece during the pressing process for pasting decorative veneers. It's good to have. for example,
These include vinyl acetate resin, latex, urea resin, and aqueous vinyl urethane resins, and specific examples include water-soluble melamine resins and styrene-butadiene resins. As shown in FIG. 1, the base material 4 includes paper or nonwoven fabric 5 such as Japanese paper, kraft paper, tissue paper, and impregnated paper, a polyethylene or polypropylene layer 6, a metal foil 7 such as aluminum or iron, a polyethylene or polypropylene layer 8, and Paper or nonwoven fabric such as Japanese paper, kraft paper, thin paper, impregnated paper, etc.9
It has a multilayer laminated structure consisting of, and each layer forming the laminated structure has its own characteristic properties. That is, Japanese paper constituting the laminated structure of the base material 4,
The paper or non-woven fabric 5 such as kraft paper, tissue paper, impregnated paper, etc. hides the shine of the metal foil 7 such as aluminum or iron from appearing on the surface of the precious wood veneer 2 through the polyethylene or polypropylene layer 6, as will be described later. It is laminated to facilitate adhesion between the precious wood veneer 2 and the polyethylene layer or polypropylene layer 6 in the adhesion process. In this case, the paper or nonwoven fabric 5 has a basis weight of 10 to 150 g/m 2 ,
Preferably it is about 20-50 g/ m2 . The polyethylene layer or polypropylene layer 6 is
Paper or nonwoven fabric 5 and metal foil 7 are laminated to form a laminate coating (adhesion). The thickness of the polyethylene layer or polypropylene layer in this case is 7 to 150μ, preferably about 20μ
~40μ is good. The metal foil 7 made of aluminum, iron, etc. has constant expansion and contraction due to the strong rigidity of Al, Fe, etc. Therefore, by laminating the metal foil 7, the movement of the precious wood veneer 2 due to drying or moisture absorption is stopped, and this helps to prevent the surface of the sheet 1 from cracking or from fraying, and also prevents warping when the sheet 1 is attached to plywood. This is to prevent the occurrence of Furthermore, since the metal foil 7 restricts the diffusion of moisture, it contributes to improving the waterproof and moisture-proof properties of the decorative sheet 1. From this, the metal foil 7 has a thickness of 7 to 100μ,
Preferably it is about 15-20μ. Further, by providing the polyethylene layer or polypropylene layer 8 and providing a plurality of polyethylene layers or polypropylene layers in the base material 4, the decorative sheet 1 can be given appropriate flexibility, and the alkaline content is Decorative sheet 1 from the back of the material
This prevents it from penetrating into the body. This is particularly effective, for example, when the wall material to which the decorative sheet is attached is made of an alkaline material such as mortar. Note that this polyethylene layer or polypropylene layer 8 is used to improve the adhesion between the metal foil 7 and the paper or nonwoven fabric 9 in the same manner as the above-mentioned polyethylene layer or polypropylene layer 6, and the thickness of the layer is The same level will also be adopted. In addition, paper such as Japanese paper, kraft paper, thin paper, impregnated paper, etc., or nonwoven fabric 9 laminated on the lower surface of the base material 4 is used to increase the adhesive strength between the decorative sheet 1 and the material attached below, such as plywood or wall material. In order to improve
Its basis weight is 10-150g/ m2 , preferably 20-60g/m2
g/ m2 . Next, the decorative board of the present invention will be explained. FIG. 2 shows a sectional view of a decorative board 10 to which the decorative sheet 1 of the present invention is attached. That is, the decorative board 10 of the present invention is made by attaching a base material 12 such as plywood to the above-described decorative sheet 1 through an adhesive 11.
This is a layered product which has been subjected to the pressing process described below. Each laminate of the decorative sheet 1 in this case has already been described above, and a base material 12 such as plywood is further laminated on this sheet 1 via an adhesive 11. The adhesive 11 is a vinyl acetate resin-based, latex-based, urea resin-based, or water-based vinyl urethane resin-based adhesive, and is preferably a room temperature-curable, thermosetting, or thermoplastic synthetic resin adhesive, such as a water-soluble melamine resin, Examples include styrene-butadiene resin. Next, as the base material 12 such as plywood, plywood such as veneer, wood such as fiberboard, particle board, paper, plastic such as synthetic resin board, synthetic resin foam, light calcium board, gypsum board, etc. Ceramics,
Metals such as aluminum and iron or composite plates thereof can be used. The thickness of the base material such as plywood can be varied depending on the intended use of the decorative board 10 of the present invention. Next, the method for manufacturing the decorative sheet 1 of the present invention and the decorative board 10 to which the decorative sheet 1 is attached will be described. That is, in the method for manufacturing the decorative sheet 1 of the present invention, for example, the decorative sheet 1 is composed of a precious wood veneer 2, an adhesive 3, and paper or a nonwoven fabric 5, and a polyethylene layer or a polypropylene layer 6, a metal foil 7, and a polyethylene layer or a polypropylene layer. 8 and paper or non-woven fabric 9; alternatively, the paper or non-woven fabric 5, the polyethylene layer or polypropylene layer 6, the metal foil 7, the polyethylene layer or polypropylene layer 8, and the paper or non-woven fabric 9 are layered with an adhesive. It is manufactured by stacking the precious wood veneers 2 through the laminates 3 and pressing the laminate together. The pressing conditions in this case are, for example, when the adhesive 3 is a thermosetting resin, the laminate is heat-pressed to harden the adhesive 3 and compress the laminate into a thin layer. However, it is preferable to carry out the process under the conditions of, for example, a temperature of about 100° C., a pressure of about 7 Kg/cm 2 , and a time of about 90 seconds. Further, when the adhesive 3 is a thermoplastic resin, the laminate is bonded by hot compression and then cold pressed to compress the laminate into a thin layer. In this case, the conditions for heat compaction are, for example, a temperature of approximately 115℃,
After performing the test under the conditions of a pressure of 7Kg/cm 2 and a time of 120 seconds,
Cold compaction is performed at the same pressure of 7 kg/cm 2 by cooling to room temperature. On the other hand, in the method of manufacturing the decorative laminate 10 of the present invention, for example, a laminate (6,
7, 8, 9, 11 and 12) are superimposed;
Or a laminate of paper or non-woven fabric of 5 or less (5,
6, 7, 8, 9, 11 and 12) with the adhesive 3 interposed thereon, or the decorative sheet 1 is overlaid on the base material 12 such as plywood with the adhesive 11 interposed, and the It is manufactured by pressing the same way as decorative sheets. The clamping conditions in this case are also
Although the conditions differ depending on the type of adhesive 3 used, the same conditions as in the case of the decorative sheet described above are adopted. Specific production examples of decorative sheets and decorative boards are described below, but the present invention is not limited thereto. Production Example Decorative sheet, decorative board with decorative sheet attached According to the laminated structure of the decorative sheet and decorative board shown in FIGS. 1 and 2, the following materials were used for each layer. Precious wood veneer 2: birch 0.22mm thick and oak 0.28mm thick
2 types of thickness Adhesive 3: Styrene-butadiene thermosetting adhesive Paper 5: Japanese paper (machine made) basis weight 28 g/ m2 Polyethylene 6: 40μ thick polyethylene Metal foil 7: 15μ thick aluminum foil Polyethylene 8: 30 μ thick polyethylene paper 9: Pure white roll paper, basis weight 30 g/m 2 Adhesive 11: Styrene-butadiene thermosetting adhesive Base 12: 4 mm thick ordinary plywood First, paper 5/polyethylene 6/ A laminate of metal foil 7/polyethylene 8/paper 9 is laminated by melt extrusion. Next, adhesive 3 was applied onto the melt-extruded laminate, and the adhesive 3 was applied at 100°C x 7Kg/cm 2 x
Decorative sheet 1 was manufactured by bonding precious wood veneer 2 under heat pressing conditions for 90 seconds. Adhesive 11 is applied onto the substrate 12 to obtain a decorative board.
, apply the decorative sheet 1 obtained above, and apply 100
Adhesion was carried out under heat pressing conditions of ℃ x 7 kg/cm 2 x 90 seconds. Incidentally, the surface of the obtained decorative wood veneer was polished and painted with polyurethane resin paint. The decorative board obtained as described above was subjected to a crack resistance test. As objects, we used a precious wood veneer cut from almost the same area and plywood taken from an adjacent location.
A decorative board (hereinafter referred to as blank), which is a precious wood veneer-plywood bonded with the adhesive 11 under heat-pressing conditions of 105° C. x 7 kg/cm 2 x 90 seconds, was used. The test method was in accordance with JAS (Japanese Agricultural and Forestry Standards) cold and heat cycling B test method for natural wood decorative plywood. That is, two pieces of the decorative board and blank obtained in the above production example of the present invention were each made into a square shape of 150 mm on a side, and placed in a thermostatic oven at 80±3°C.
One cycle of standing for a period of time and then standing for 2 hours in a thermostat at -20°C±3°C was repeated four times, and the occurrence of cracks in each decorative board was observed. As a method of counting the number of cracks, vertical and horizontal 15
Draw lines vertically and horizontally like a checkerboard at 1 cm intervals within a cm square to create 15 x 15 = 225 1 cm square squares.
The number of cracks in each square was counted and expressed as a total number. The cracks within each square are counted as 1 for cracks that fall within one square, and as 1 for cracks that extend to other squares. The results obtained are shown in the table below.
【表】
以上の結果より明らかなとおり本発明の化粧板
は積層構造として内部に紙−金紙箔を内在させた
ことにより、クラツクの発生が皆無であることが
確認された。
（発明の効果）
以上のようにして製造される本発明の化粧シー
トならびに化粧板は、その積層構造として前述の
如く紙−金属箔を内在させたことにより特にシー
ト全体の寸法安定性が良く、シート裏面に接着剤
を塗布した場合であつてもシートの伸びを押える
ことができ、また経時的にも表面の銘木単板の吸
脱湿によるシートの伸びも押えられるため、仮に
壁材に貼着するに際し、接着不良の箇所があつて
もフラツト性を確保できるものである。
また、特に金属箔を内在させたことにより銘木
単板の動きが押えられ、表面クラツクが発生しな
いものである。
更に、シート裏面の紙の厚さを薄くすることに
よりポリエチレンまたはポリプロピレンをこの紙
全体にしみ込ませ、紙の剥離を防止することがで
きる。
また、本発明の化粧シートにあつては、前記積
層構造物を圧締処理したことにより極薄で、適度
の可撓性を有しており、使用中の内装材の表面上
に直接、あるいは表面材を剥離した内装材の上に
容易に貼着することができ、内装材の改装を簡便
に行なうことができる。また、適度の剛性をも兼
ね備えており、貼着面に多少の凹凸があつても、
広い面積を平坦に貼着することができ、その上水
分の影響を受け難く寸法安定性に優れており、貼
着碁撚れ、縮みなどが生じずカールも殆ど起き
ず、仕上り具合が極めて良好となる。
また、本発明の化粧シートは、適度の柔軟性を
有し、屈曲させることができ、湾曲部や曲面部、
例えば円柱物などへの貼着も可能である。また、
ナイフ切断が可能であり、任意の形状に容易に切
断加工できる。このように、本発明の化粧シート
は、加工性に富み、家具、キヤビネツト等の表面
化粧材、化粧小箱などにも利用できる。さらに、
アルカリ分等の遮断も考慮されており、耐アルカ
リ性などに優れている。
したがつて、かかる化粧シートを合板等の基材
に貼着した本発明の化粧板にあつても、これら前
述のシートの特性をすでに充分発揮した建築用材
として優れたものであることになる。[Table] As is clear from the above results, it was confirmed that the decorative board of the present invention had a laminated structure in which paper-gold paper foil was incorporated, and that no cracks were generated. (Effects of the Invention) The decorative sheets and decorative laminates of the present invention manufactured as described above have particularly good dimensional stability of the entire sheet due to the paper-metal foil being incorporated in the laminated structure as described above. Even if adhesive is applied to the back of the sheet, it is possible to suppress the sheet's elongation, and the sheet's elongation due to moisture absorption and desorption of the precious wood veneer on the front surface can be suppressed over time. When applying the adhesive, flatness can be ensured even if there are areas with poor adhesion. In addition, the movement of the precious wood veneer is suppressed by incorporating the metal foil, and surface cracks do not occur. Furthermore, by reducing the thickness of the paper on the back side of the sheet, polyethylene or polypropylene can be soaked into the entire paper, thereby preventing the paper from peeling off. In addition, the decorative sheet of the present invention is extremely thin and has appropriate flexibility due to the pressing treatment of the laminated structure, and can be applied directly onto the surface of the interior material during use or It can be easily pasted onto the interior material from which the surface material has been peeled off, and the interior material can be easily renovated. It also has a moderate amount of rigidity, so even if there are some unevenness on the adhesive surface,
It can be applied flatly over a wide area, and it is not easily affected by moisture and has excellent dimensional stability.There is no twisting or shrinkage during application, almost no curling, and the finish is extremely good. becomes. In addition, the decorative sheet of the present invention has appropriate flexibility and can be bent, and has curved parts and curved parts.
For example, it is also possible to attach it to a cylindrical object. Also,
It can be cut with a knife and can be easily cut into any shape. As described above, the decorative sheet of the present invention has excellent processability and can be used as a surface decorative material for furniture, cabinets, etc., decorative small boxes, etc. moreover,
It also takes into consideration the blocking of alkaline components and has excellent alkali resistance. Therefore, even the decorative board of the present invention, in which such a decorative sheet is adhered to a base material such as plywood, is an excellent building material that fully exhibits the above-mentioned properties of the sheet.
第１図は本発明の化粧シートの断面図であり、
第２図は化粧板の断面図である。
１……化粧シート、２……銘木単板、３，１１
……接着剤、４……基材、５，９……紙または不
織布、６，８……ポリエチレン層またはポリプロ
ピレン層、７……金属箔、１０……化粧板、１２
……合板等の基材。
FIG. 1 is a sectional view of the decorative sheet of the present invention,
FIG. 2 is a sectional view of the decorative board. 1... Decorative sheet, 2... Precious wood veneer, 3,11
... Adhesive, 4 ... Base material, 5, 9 ... Paper or nonwoven fabric, 6, 8 ... Polyethylene layer or polypropylene layer, 7 ... Metal foil, 10 ... Decorative board, 12
...Base material such as plywood.
Claims (1)
あるいは不織布； ポリエチレン層またはポリプロピレン層； アルミニウム、鉄等の金属箔； ポリエチレン層またはポリプロピレン層； 和紙、クラフト紙、薄葉紙、含浸加工紙等の紙
あるいは不織布； を積層してなる積層体の表面上に、更に銘木単板
を常温硬化性、熱硬化性、または熱可塑性樹脂接
着剤を介して積層し； 該銘木単板−前記積層体なる積層物を熱圧締、
または熱圧および冷圧締して成る； ことを特徴とする天然銘木化粧シート。 ２ 積層体として、 和紙、クラフト紙、薄葉紙、含浸加工紙等の紙
あるいは不織布； ポリエチレン層またはポリプロピレン層； アルミニウム、鉄等の金属箔； ポリエチレン層またはポリプロピレン層； 和紙、クラフト紙、薄葉紙、含浸加工紙等の紙
あるいは不織布； を積層してなる積層体の表面上に、更に銘木単板
を常温硬化性、熱硬化性、または熱可塑性樹脂接
着剤を介して積層し； 該銘木単板−前記積層体なる積層物の下面に、
常温硬化性、熱硬化性、または熱可塑性樹脂接着
剤を介して合板等の基材を貼着し； 銘木単板−積層体−基材なる積層物を、冷圧
締、熱圧締、または熱圧および冷圧締してなる； ことを特徴とする天然銘木化粧板。[Scope of Claims] 1. As a laminate: Paper or nonwoven fabric such as Japanese paper, kraft paper, thin paper, impregnated processed paper; Polyethylene layer or polypropylene layer; Metal foil such as aluminum or iron; Polyethylene layer or polypropylene layer; Japanese paper, kraft Paper or non-woven fabric such as paper, thin paper, impregnated processed paper; Further, a precious wood veneer is further laminated via a room temperature curing, thermosetting, or thermoplastic resin adhesive on the surface of the laminate formed by laminating paper, tissue paper, impregnated paper, etc. or nonwoven fabric; The precious wood veneer--the laminate is heat pressed,
Or a decorative sheet made of natural precious wood, which is formed by hot pressing and cold pressing. 2 As a laminate, paper or non-woven fabric such as Japanese paper, kraft paper, tissue paper, impregnated paper; polyethylene layer or polypropylene layer; metal foil such as aluminum or iron; polyethylene layer or polypropylene layer; Japanese paper, kraft paper, thin paper, impregnated paper On the surface of the laminate formed by laminating paper such as paper or non-woven fabric, a precious wood veneer is further laminated via a room temperature curable, thermosetting, or thermoplastic resin adhesive; the precious wood veneer - the above. On the bottom surface of the laminate,
A base material such as plywood is attached using a cold-curing, thermosetting, or thermoplastic resin adhesive. A decorative natural wood board characterized by being made by hot pressing and cold pressing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16848884A JPS6147250A (en) | 1984-08-11 | 1984-08-11 | Natural precious-wood decorative sheet and natural precious-wood decorative board on which said sheet is stuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16848884A JPS6147250A (en) | 1984-08-11 | 1984-08-11 | Natural precious-wood decorative sheet and natural precious-wood decorative board on which said sheet is stuck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6147250A JPS6147250A (en) | 1986-03-07 |
| JPH0379185B2 true JPH0379185B2 (en) | 1991-12-18 |
Family
ID=15869016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16848884A Granted JPS6147250A (en) | 1984-08-11 | 1984-08-11 | Natural precious-wood decorative sheet and natural precious-wood decorative board on which said sheet is stuck |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6147250A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2808386B2 (en) * | 1992-10-08 | 1998-10-08 | 北三 株式会社 | Flameproof precious wood decorative sheet, flameproof precious wood decorative veneer adhered thereto, and methods of manufacturing these |
| JP2005238573A (en) * | 2004-02-25 | 2005-09-08 | Sekisui Chem Co Ltd | Polyolefinic resin composite foam |
| JP5162981B2 (en) * | 2007-07-10 | 2013-03-13 | 大日本印刷株式会社 | Incombustible decorative board |
-
1984
- 1984-08-11 JP JP16848884A patent/JPS6147250A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6147250A (en) | 1986-03-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |