JPS6130902B2 - - Google Patents
Info
- Publication number
- JPS6130902B2 JPS6130902B2 JP54043264A JP4326479A JPS6130902B2 JP S6130902 B2 JPS6130902 B2 JP S6130902B2 JP 54043264 A JP54043264 A JP 54043264A JP 4326479 A JP4326479 A JP 4326479A JP S6130902 B2 JPS6130902 B2 JP S6130902B2
- Authority
- JP
- Japan
- Prior art keywords
- cork
- adhesive
- layer
- grains
- laminate
- 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
Links
- 239000007799 cork Substances 0.000 claims description 103
- 239000010410 layer Substances 0.000 claims description 35
- 239000000853 adhesive Substances 0.000 claims description 32
- 230000001070 adhesive effect Effects 0.000 claims description 32
- 229920003002 synthetic resin Polymers 0.000 claims description 16
- 239000000057 synthetic resin Substances 0.000 claims description 16
- 239000002023 wood Substances 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 229920001187 thermosetting polymer Polymers 0.000 claims description 6
- 239000012790 adhesive layer Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 description 26
- 239000011120 plywood Substances 0.000 description 13
- 238000009413 insulation Methods 0.000 description 6
- 238000009408 flooring Methods 0.000 description 5
- 238000007731 hot pressing Methods 0.000 description 5
- 239000002537 cosmetic Substances 0.000 description 4
- 229920000877 Melamine resin Polymers 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 229920001807 Urea-formaldehyde Polymers 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 235000007575 Calluna vulgaris Nutrition 0.000 description 1
- 240000008289 Quercus suber Species 0.000 description 1
- 235000016977 Quercus suber Nutrition 0.000 description 1
- 229930183415 Suberin Natural products 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000004931 aggregating effect Effects 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003834 intracellular effect Effects 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Description
【発明の詳細な説明】
本発明は、合板等の積層木材板表面に断熱性及
び弾力性に優れたコルク層を設けたコルク化粧板
の製造方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing a cork decorative board in which a cork layer with excellent heat insulation and elasticity is provided on the surface of a laminated wood board such as plywood.
コルクはセルロースが二次的に変化して形成す
るスベリンを主成分とした密閉細胞からなつてお
り、この密閉細胞膜及び細胞内気体の働きにより
優れた断熱性や弾力性を有していると共に、その
色彩も柔和であり、独特の化粧効果を有している
ことから、これらコルクを集成してタイルないし
はシート状に形成したコルク化粧材が工芸品をは
じめ建築用材に用いられている。 Cork is made up of closed cells whose main component is suberin, which is formed by the secondary transformation of cellulose.The closed cell membrane and the action of intracellular gases provide excellent insulation and elasticity. Because the color is soft and it has a unique cosmetic effect, cork decorative materials made by assembling these corks and forming them into tiles or sheets are used for crafts and construction materials.
一方、上記コルクはコルク樫から得られるコル
クバークの大きさに限度があるために、コルクバ
ークをそのまま切削等の手段によりタイル状ある
いはシート状に形成することが困難であり、又、
ロスが多く高価になるため、通常はコルク製品の
屑やコルク粒を接着剤と混合して加熱圧締し、適
宜大きさに固めた圧搾コルクを形成し、ついでこ
れをスライスしてシート状あるいはタイル状のコ
ルク化粧材を形成する方法が採られている。 On the other hand, since there is a limit to the size of cork bark obtained from cork oak, it is difficult to directly form cork bark into a tile or sheet shape by cutting or other means.
Since there is a lot of loss and the cost is high, cork product scraps and cork granules are usually mixed with adhesive and heated and pressed to form compressed cork that is hardened to an appropriate size, which is then sliced into sheets or A method of forming a tile-shaped cork decorative material has been adopted.
しかしながら、上記圧搾コルクによるコルクシ
ートを合板等の板状基材の表面に貼着して用いる
場合には、該コルクシートが多数のコルク粒を集
成して形成したものであるので、薄物にして用い
ると基材貼着時に割れが生じたり、角部が欠損し
たりする場合が多く、取扱い難いという問題があ
り、さらに圧搾コルクを形成するための大がかり
な装置を必要とすること、また工程が、コルク粒
と接着剤の混合→圧搾コルク形成→スライス→基
材表面（あるいはコルクシート裏面）への接着剤
塗布→基材とコルクシートの重合せ→プレスによ
る貼着一体化と多くなり、生産能率が悪くまた広
大な作業面積を必要とする等の問題があつた。 However, when a cork sheet made of pressed cork is attached to the surface of a plate-shaped substrate such as plywood, the cork sheet is formed by aggregating many cork grains, so it is difficult to make it thin. When used, cracks often occur when pasting the base material, corners are lost, and it is difficult to handle.Furthermore, it requires large-scale equipment to form pressed cork, and the process is time-consuming. , mixing cork grains and adhesive → forming compressed cork → slicing → applying adhesive to the surface of the base material (or the back of the cork sheet) → superimposing the base material and cork sheet → integrating the adhesive by pressing There were problems such as poor efficiency and the need for a large working area.
また、上記コルクシートのみを貼着した化粧板
にあつては床材等の摩耗を受け易い化粧材に用い
た場合には、表面のコルク化粧層が傷つき汚れ易
く、はなはだしい時にはコルク粒が摩擦や衝撃で
剥落することがあるという問題があつた。 In addition, when a decorative board with only the cork sheet attached is used for a decorative material that is easily abraded, such as a flooring material, the cork decorative layer on the surface is easily damaged and stained, and if it is exposed too much, the cork grains may cause friction and damage. There was a problem that it could peel off due to impact.
このようなコルク粒の剥落を防止する方法とし
て、圧搾コルクを形成する際に接着剤の混入量を
増加して高圧で圧縮して固める方法が考えられる
が、高圧でコルク粒を圧縮集成するとコルクの断
熱性及び弾力性が損われてクツシヨン性の悪い床
材になつてしまうという欠点があつた。又、既製
の合板の表面にコルク粒を接着剤で接着する場
合、合板の製造とコルク層の形成とで熱圧工程が
２工程となつて、生産効率が悪いものであつた。 One possible way to prevent such flaking of cork grains is to increase the amount of adhesive mixed in when forming pressed cork and compress and harden it under high pressure. The disadvantage is that the insulation and elasticity of the flooring material is impaired, resulting in a flooring material with poor cushioning properties. Furthermore, when cork grains are bonded to the surface of ready-made plywood using an adhesive, there are two heat-pressing steps for manufacturing the plywood and forming the cork layer, resulting in poor production efficiency.
本発明は上記従来の欠点および問題点に鑑みて
なされたものであり、熱硬化性合成樹脂接着剤を
塗布した木材単板を複数板積層して冷圧し、一旦
仮接着したのち、その表面にコルク粒と熱硬化性
合成樹脂接着剤との混合物を略均一に散布堆積せ
しめ、これらを６〜10Kg/cm2の圧力で加熱圧締し
て上記木材単板間の接着剤層及びコルク粒に付着
した接着剤を硬化させ、木材単板を接着一体化す
ると同時に単板積層材表面にコルク粒を結合して
なるコルク層を一体に形成することにより、圧搾
コルクの如き特別な装置を用いることなく、合板
等の積層木材を製造する工程中で該木材単板の積
層一体化と同時にコルク化粧層を形成し、断熱性
及び弾力性に優れたコルク化粧材を簡単にかつ能
率良く形成することができるコルク化粧板の製造
方法を提供するものである。 The present invention was made in view of the above-mentioned conventional drawbacks and problems, and consists of stacking a plurality of wooden veneers coated with a thermosetting synthetic resin adhesive, cold-pressing them, temporarily adhering them, and then applying the adhesive to the surface. A mixture of cork grains and thermosetting synthetic resin adhesive is spread and deposited almost uniformly, and then heated and pressed at a pressure of 6 to 10 kg/cm 2 to form the adhesive layer between the wood veneers and the cork grains. By curing the adhered adhesive, bonding the wood veneers together, and at the same time forming a cork layer made by bonding cork grains on the surface of the veneer laminate, using special equipment such as pressed cork. To easily and efficiently form a cork decorative material with excellent heat insulation and elasticity by forming a cork decorative layer simultaneously with the lamination and integration of wood veneers during the process of manufacturing laminated wood such as plywood. The present invention provides a method for producing a cork decorative board.
以下、本発明を更に詳しく説明すると、まず木
材単板にフエノール、メラミン、ユリア等の熱硬
化性合成樹脂接着剤を塗布して所望枚数だけで積
層したのち、コールドプレス等にて冷圧して一旦
単板を仮接着した仮接着積層板を形成する。 To explain the present invention in more detail below, first, a thermosetting synthetic resin adhesive such as phenol, melamine, or urea is applied to a wood veneer, and the desired number of sheets are laminated, and then the wood veneer is cold-pressed using a cold press or the like. A temporarily bonded laminate is formed by temporarily bonding the veneers.
ここで、木材単板を仮接着する理由は、接着剤
塗布後これらを積層して直ちにホツトプレスの熱
板間に挿入すると、取扱い時に単板がバラバラに
なつたりして作業性が悪くなることおよび取扱い
時に接着面のずれが生じることがあり品質にむら
が生じることがあるためであり、このように一旦
単板を仮接着しておくことによつて、その後の加
熱圧縮の作業を円滑にし、かつ熱圧後の品質を均
一にすることができる。 The reason for temporarily gluing the wood veneers here is that if they are laminated and immediately inserted between the hot plates of a hot press after applying the adhesive, the veneers may fall apart during handling, resulting in poor workability. This is because the adhesive surface may shift during handling, resulting in uneven quality. By temporarily adhering the veneers in this way, the subsequent heating and compression work will be smoother. Moreover, the quality after hot pressing can be made uniform.
次に、上記仮接着積層板表面にコルク粒と熱硬
化性合成樹脂接着剤との混合物を略均一に散布堆
積してコルク粒の数倍の厚さの混合物層を設け
る。 Next, a mixture of cork grains and a thermosetting synthetic resin adhesive is dispersed and deposited substantially uniformly on the surface of the temporary adhesive laminate to form a layer of the mixture several times as thick as the cork grains.
ここにおいて、使用するコルク粒の大きさは特
に限定しないが、粒径が0.5〜5.0mmのものが接着
剤との混合が容易であり、又、散布した時の混合
物層の厚さが均一になり易く、熱圧によつて平滑
な表面を有するコルク化粧層が容易に形成できる
ので好ましい。 Here, the size of the cork particles used is not particularly limited, but those with a particle size of 0.5 to 5.0 mm are easy to mix with the adhesive, and the thickness of the mixture layer when sprayed is uniform. This is preferable because a cork decorative layer with a smooth surface can be easily formed by heat and pressure.
また、コルク粒に混合する接着剤にはユリア、
メラミン、フエノール等の加熱により硬化する合
成樹脂液あるいはこれら合成樹脂液のエマルジヨ
ン等が使用される。 In addition, the adhesive mixed with the cork grains includes urea,
Synthetic resin liquids that harden by heating, such as melamine and phenol, or emulsions of these synthetic resin liquids are used.
尚、上記接着剤の混入量は、コルク粒に対して
重量割合で８〜30部添加して用いるのが好まし
い。即ち、８重量部未満の添加量では、コルク粒
同士及びコルク粒と単板積層材との結合力が弱
く、コルク層形成後、摩耗等によりコルク粒が剥
落したり、コルク層が単板積層材より剥離する場
合があり、また30重量部以上添加すると、コルク
層全体が硬くなつてしまい、コルクの弾力性、断
熱性が低下し、良好なクツシヨン性を得ることが
できなくなるためである。 The amount of the adhesive mixed in is preferably 8 to 30 parts by weight based on the cork grains. In other words, if the amount added is less than 8 parts by weight, the bonding strength between the cork grains and between the cork grains and the laminated veneer material is weak, and after the cork layer is formed, the cork grains may peel off due to wear etc. This is because it may peel off from the material, and if more than 30 parts by weight is added, the entire cork layer becomes hard, reducing the elasticity and heat insulation properties of the cork, making it impossible to obtain good cushioning properties.
次に、これらをホツトプレスの熱板間に挿入し
て６〜10Kg/cm2以上の圧力で加熱圧締し、仮接着
した単板積層材の接着剤層を硬化させる共にその
表面に散布堆積したコルク粒を圧縮し混合物中の
接着剤を硬化させて、一回の熱圧処理によつて積
層板とコルク化粧層とを同時に形成する。 Next, these were inserted between the hot plates of a hot press and heated and pressed at a pressure of 6 to 10 kg/cm 2 or more to harden the adhesive layer of the temporarily bonded veneer laminate and scatter and deposit it on its surface. The cork granules are compressed, the adhesive in the mixture is cured, and a laminate and a cork decorative layer are simultaneously formed by a single heat-pressing treatment.
尚、上記熱圧処理時の圧締圧は６〜10Kg/cm2以
上で行なうものである。即ち、６Kg/cm2未満の圧
締圧では木材単板の接着強度が低く、積層板とし
て充分な強度が得られないこと、およびコルク粒
の混合物層の圧締が不充分になり表面平滑なコル
ク層が得られず化粧性に劣ること、またコルク粒
同士及びコルク粒と木材単板との結合力が弱く摩
擦等でコルク粒が剥離し易いためであり、一方、
10Kg/cm2を超えると、コルク粒がつぶれてしま
い、その弾力性が損なわれるためであり、よつて
６〜10Kg/cm2の圧力で熱圧することによつてコル
ク粒をつぶしてしまうことなくその弾力性を保持
させた状態のままで積層板の強度並びにコルク層
の表面平滑性及びコルク粒の結合力を各々満足し
て一回の熱圧で形成できるものである。この熱圧
によつてコルク粒の混合物層をその厚さの約1/2
〜1/3に圧縮し、コルク粒同士を密に結合して薄
層板表面上でシート状に形成するとができる。ま
た上記圧締圧を６〜10Kg/cm2にして熱圧すること
により、コルク層の密度が約0.2〜0.3Kg/cm2にな
り、弾力性、断熱性を損うことなく、表面も平滑
となつて弾力性及び表面性にも優れたコルク化粧
材を得ることができる。 Incidentally, the pressing pressure during the above-mentioned hot-pressing treatment is 6 to 10 kg/cm 2 or more. In other words, if the pressing pressure is less than 6 kg/ cm2 , the adhesive strength of the wood veneer will be low and sufficient strength as a laminate will not be obtained, and the cork grain mixture layer will not be pressed sufficiently and the surface will not be smooth. This is because a cork layer cannot be obtained and the cosmetic properties are poor, and the bonding strength between the cork grains and between the cork grains and the wood veneer is weak and the cork grains easily peel off due to friction etc.
If the pressure exceeds 10Kg/ cm2 , the cork grains will be crushed and their elasticity will be lost.Therefore, by hot pressing at a pressure of 6 to 10Kg/ cm2 , the cork grains will not be crushed. It is possible to form the laminate in a single heat press while maintaining its elasticity while satisfying the strength of the laminate, the surface smoothness of the cork layer, and the cohesive strength of the cork grains. This heat and pressure creates a layer of the cork grain mixture that is approximately 1/2 of its thickness.
It can be compressed to ~1/3 and form a sheet on the surface of a thin laminate by tightly bonding the cork grains together. In addition, by hot pressing at the above-mentioned compaction pressure of 6 to 10 Kg/cm 2 , the density of the cork layer becomes approximately 0.2 to 0.3 Kg/cm 2 , and the surface is smooth without impairing elasticity or heat insulation. A cork decorative material with excellent elasticity and surface properties can be obtained.
このようにして形成したコルク化粧材はそのま
ま壁装材、家具用材等の化粧材として使用できる
が、床材、家具の天板、カウンター材等の如く摩
耗を受け易い部材に使用する場合には、さらに上
記コルク層表面に透明もしくは半透明の合成樹脂
シートを貼着する。 The cork decorative material formed in this way can be used as it is as a decorative material for wall covering materials, furniture materials, etc., but when used for materials that are susceptible to wear such as flooring materials, furniture tops, counter materials, etc. Furthermore, a transparent or translucent synthetic resin sheet is attached to the surface of the cork layer.
上記合成樹脂シートとしてはコルク層の色彩が
透視できる程度の透明性を有するものであれば良
く、特に限定しないが、耐摩耗性に優れかつコル
クの弾力性を損わない塩ビシート、ポリプロピレ
ンシート、ポリエステルシート、アクリルシート
等の熱可塑性の合成樹脂シートが好ましい。 The synthetic resin sheet may be any material as long as it has transparency to the extent that the color of the cork layer can be seen through, and is not particularly limited. Thermoplastic synthetic resin sheets such as polyester sheets and acrylic sheets are preferred.
また、上記シートの裏面にコルクの杢状模様を
部分的に印刷を施したものを用いて該印刷模様の
間からコルク層が透視できるようにしてもよく、
この場合には表面シートの印刷模様とコルク層の
色彩とが相俟つた美麗な化粧面を現出させること
ができ、耐摩耗性及び化粧性に優れたコルク化粧
材を形成することができる。 Alternatively, a heathered pattern of cork may be partially printed on the back side of the sheet so that the cork layer can be seen through between the printed patterns.
In this case, a beautiful decorative surface can be created in which the printed pattern on the top sheet and the color of the cork layer work together, and a cork decorative material with excellent wear resistance and cosmetic properties can be formed.
尚、上記合成樹脂シートは通常のラミネート方
式によつて接着剤を介してコルク層表面に貼着し
てもよく、また仮接着積層板をホトプレスに挿入
する際にコルク粒と接着剤との混合物の散布層表
面に載置してこれらを加熱圧締することにより、
コルク層の形成と時に貼着一体化してもよい。特
に、後者の場合には、別にラミネート装置を用い
ることなく合板製造用のホツトプレスで単板の積
層一体化とコルク層の形成及び合成樹脂シートの
貼着とを同時に行なうことが可能であり、狭い作
業面積で能率良くコルク化粧材を製造することが
できる。 The above synthetic resin sheet may be attached to the surface of the cork layer using an adhesive using a normal lamination method, or a mixture of cork grains and adhesive may be attached when the temporary adhesive laminate is inserted into a photopress. By placing them on the surface of the dispersed layer and pressing them under heat,
It may also be integrated with the formation of a cork layer. In particular, in the latter case, it is possible to simultaneously laminate and integrate the veneers, form the cork layer, and attach the synthetic resin sheet using a hot press for plywood production without using a separate laminating device. Cork decorative materials can be manufactured efficiently within the working area.
次に本発明方法の具体的な実施例を示すと、厚
さ1.5mm、3.0mm、4.0mmのラワン単板を厚さ3.0mm
の単板の両面にユリア・メラミン系共縮合接着剤
を片面につき200ｇ/m2の割合で塗布し、厚さ1.5
mm、3.0mm、4.0mm、3.0mm、1.5mmの順で積層し、
常温下で８Kg/cm2の圧力で30分間コールドプレス
して仮接着合板を形成し、ついで該仮接着合板の
表面に径が0.5mm〜5.0mmのコルク粒100重量部に
対して50％濃度のユリア樹脂20重量部を混合して
なる混合物を１Kg/m2の割合で略々均一に散布し
た後、これらをホツトプレスの熱板間に挿入して
８Kg/cm2、110℃、15分の条件下で熱圧し、混合物
中のユリア樹脂を硬化せしめると同時に上記仮接
着合板の接着剤層を硬化せしめてプライ合板の表
面に厚さ約３mmのコルク層が一体に形成されたコ
ルク化粧板を得た。 Next, to show a specific example of the method of the present invention, lauan veneer with a thickness of 1.5 mm, 3.0 mm, and 4.0 mm is
Apply urea-melamine co-condensation adhesive to both sides of the veneer at a rate of 200g/ m2 per side to a thickness of 1.5cm.
Laminated in the order of mm, 3.0mm, 4.0mm, 3.0mm, 1.5mm,
A temporarily bonded plywood was formed by cold pressing at room temperature for 30 minutes at a pressure of 8 kg/cm 2 , and then a 50% concentration was applied to the surface of the temporarily bonded plywood based on 100 parts by weight of cork grains with a diameter of 0.5 mm to 5.0 mm. A mixture of 20 parts by weight of urea resin was dispersed almost uniformly at a rate of 1 kg/m 2 , and then the mixture was inserted between the hot plates of a hot press and heated at 8 kg/cm 2 at 110°C for 15 minutes. The urea resin in the mixture is cured by hot pressing under conditions, and at the same time the adhesive layer of the temporarily bonded plywood is cured to form a cork decorative board with a cork layer of about 3 mm thick integrally formed on the surface of the ply plywood. Obtained.
次に、上記コルク化粧材のコルク層表面にコル
クの杢状模様を部分的にバツクプリントした厚さ
0.25mmの透明な半硬質塩ビシートを、その裏面に
エチレン酢ビ系エマルジヨン接着剤を100ｇ/m2塗
布して貼着し、表面の塩ビシートのコルクの杢状
印刷模様とその下のコルク粒によるコルク層の色
彩とが相俟つた美麗な化粧面を呈したコルク化粧
板を得た。 Next, the thickness of the cork heathered pattern partially back printed on the surface of the cork layer of the above cork decorative material.
A 0.25mm transparent semi-rigid PVC sheet is pasted with 100g/ m2 of ethylene-vinyl acetate emulsion adhesive applied to the back side, and the heathered cork print pattern on the PVC sheet on the surface and the cork grains underneath are attached. A cork decorative board with a beautiful decorative surface that matches the color of the cork layer was obtained.
以上の説明より明らかなように、本発明方法に
よれば、木材単板を一旦仮接着したのち、その表
面にコルク粒と接着剤との混合物を散布し、つい
でこれらを６〜10Kg/cm2の圧力で加熱圧締して単
板の接着一体化とコルク層の形成とを同時に行な
うものであるので、コルク粒の弾力性が損われる
ことがないとともに、従来の圧搾コルクをシート
化して用いる場合と異なり、合板等の積層木材板
の製造とコルク化粧層の形成とを別々に行なつて
貼り合せるという手間がなく、積層木材板の製造
と表面のコルク化粧層の形成とを一台のホツトプ
レスで同時に行なうことができ、工程がきわめて
簡略であると共に狭い作業面積で能率良くクツシ
ヨン性に優れたコルク化粧板を製造することがで
きる。 As is clear from the above explanation, according to the method of the present invention, after temporary bonding of wood veneers, a mixture of cork grains and adhesive is sprinkled on the surface of the wood veneers, and then a mixture of cork grains and adhesive is applied at a rate of 6 to 10 kg/cm 2 . This method uses heat and pressure to bond the veneers together and form the cork layer at the same time, so the elasticity of the cork grains is not impaired, and conventional pressed cork can be used in sheets. Unlike in other cases, there is no need to manufacture laminated wood boards such as plywood and form a cork decorative layer separately and then paste them together. The process can be carried out simultaneously using a hot press, and the process is extremely simple, and a cork decorative board with excellent cushioning properties can be manufactured efficiently in a small working area.
また、コルク層形成後あるいはコルク層形成と
同時に表面に透明ないしは半透明の合成樹脂シー
トを貼着せしめることによつて、コルク層の化粧
性を損うことなく、表面の耐摩耗性、耐候性を向
上させることが可能であり、床材等の比較的摩耗
を受け易い建築用化粧材として用いてもコルク粒
が剥落したり、汚染されたりすることがなく、長
期間美麗な化粧面を保つことができる。 In addition, by attaching a transparent or translucent synthetic resin sheet to the surface after or simultaneously with the formation of the cork layer, we can improve the abrasion resistance and weather resistance of the surface without impairing the cosmetic properties of the cork layer. Cork grains will not peel off or become contaminated even when used as a decorative material for buildings that are relatively susceptible to abrasion, such as flooring materials, and will maintain a beautiful decorative surface for a long time. be able to.
さらに、上記合成樹脂シートの裏面にコルクの
杢状模様を部分的に印刷しておくことによつて、
コルク粒の色彩と印刷によるコルクの杢状模様と
が組み合わせられた美麗でかつ変化に富んだ化粧
面を形成することが可能である。 Furthermore, by partially printing a cork heather pattern on the back side of the synthetic resin sheet,
It is possible to form a beautiful and varied decorative surface that combines the colors of the cork grains and the heathered pattern of the printed cork.
また、このような合成樹脂シートは、仮接着合
板の熱圧の際にコルク粒と接着剤との混合物層表
面に載置しておくことによつて、一回の熱圧で合
板及びコルク層の形成と同時に貼着一体化するこ
とができる。 In addition, such a synthetic resin sheet can be placed on the surface of a layer of a mixture of cork grains and adhesive during heat-pressing of temporarily bonded plywood, and the plywood and cork layer can be bonded together with a single heat-pressing process. It is possible to form and integrate the adhesive at the same time.
Claims (1)
を複数枚積層して一旦仮接着してなる仮接着積層
板の表面にコルク粒と熱硬化性合成樹脂接着剤と
の混合物をコルク粒の数倍の厚みの層となるよう
に略均一に散布堆積せしめ、これらを６〜10Kg/
cm2の圧力で加熱圧締して上記木材単板間の接着剤
層及びコルク粒に付着した接着剤を硬化させ、木
材単板を接着一体化して積層板を得ると同時に該
積層板表面にコルク粒を結合してなるコルク層を
一体に形成することを特徴とするコルク化粧板の
製造方法。1 A mixture of cork grains and a thermosetting synthetic resin adhesive is applied to the surface of a temporarily bonded laminate made by laminating and temporarily bonding multiple wood veneers coated with a thermosetting synthetic resin adhesive. Spread and deposit them almost uniformly to form a layer several times thicker, and add 6 to 10 kg/
The adhesive layer between the wood veneers and the adhesive adhering to the cork grains are cured by heating and pressing at a pressure of cm2 , and the wood veneers are bonded together to obtain a laminate. At the same time, the surface of the laminate is A method for manufacturing a cork decorative board, characterized by integrally forming a cork layer formed by bonding cork grains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4326479A JPS55135655A (en) | 1979-04-09 | 1979-04-09 | Preparation of cork smoothly planed board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4326479A JPS55135655A (en) | 1979-04-09 | 1979-04-09 | Preparation of cork smoothly planed board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55135655A JPS55135655A (en) | 1980-10-22 |
| JPS6130902B2 true JPS6130902B2 (en) | 1986-07-16 |
Family
ID=12658979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4326479A Granted JPS55135655A (en) | 1979-04-09 | 1979-04-09 | Preparation of cork smoothly planed board |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55135655A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6347648B2 (en) * | 1982-03-17 | 1988-09-22 | Nissan Motor | |
| JPH0261003U (en) * | 1988-10-27 | 1990-05-07 | ||
| JPH0579802U (en) * | 1992-03-31 | 1993-10-29 | 株式会社コートク | Illumination and glow device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5928457U (en) * | 1982-08-09 | 1984-02-22 | 和泉化工株式会社 | Hexagonal wrench set structure |
| JP4707979B2 (en) * | 2004-07-23 | 2011-06-22 | 高槻成型株式会社 | Laminated decorative board and method for producing the same |
| CA2615739C (en) | 2005-07-19 | 2011-12-20 | Kronospan Technical Co. Ltd. | Decorative wood material sheet and method for production thereof |
-
1979
- 1979-04-09 JP JP4326479A patent/JPS55135655A/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6347648B2 (en) * | 1982-03-17 | 1988-09-22 | Nissan Motor | |
| JPH0261003U (en) * | 1988-10-27 | 1990-05-07 | ||
| JPH0579802U (en) * | 1992-03-31 | 1993-10-29 | 株式会社コートク | Illumination and glow device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55135655A (en) | 1980-10-22 |
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