JPH08267405A - Manufacture for veneer sheet - Google Patents
Manufacture for veneer sheetInfo
- Publication number
- JPH08267405A JPH08267405A JP4100995A JP4100995A JPH08267405A JP H08267405 A JPH08267405 A JP H08267405A JP 4100995 A JP4100995 A JP 4100995A JP 4100995 A JP4100995 A JP 4100995A JP H08267405 A JPH08267405 A JP H08267405A
- Authority
- JP
- Japan
- Prior art keywords
- veneer
- backing material
- sheet
- veneer sheet
- decoloring
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 23
- 239000000463 material Substances 0.000 claims abstract description 65
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 23
- 239000000835 fiber Substances 0.000 claims description 18
- 238000011282 treatment Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 15
- 239000004745 nonwoven fabric Substances 0.000 claims description 15
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims description 12
- 229920005672 polyolefin resin Polymers 0.000 claims description 10
- 239000002023 wood Substances 0.000 claims description 5
- 238000005304 joining Methods 0.000 claims description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract description 21
- 239000000853 adhesive Substances 0.000 abstract description 7
- 230000001070 adhesive effect Effects 0.000 abstract description 7
- 238000004040 coloring Methods 0.000 abstract description 6
- 239000003086 colorant Substances 0.000 abstract description 5
- 238000009501 film coating Methods 0.000 abstract description 4
- 239000007888 film coating Substances 0.000 abstract description 4
- 239000004744 fabric Substances 0.000 abstract 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 14
- 230000003014 reinforcing effect Effects 0.000 description 9
- 238000004042 decolorization Methods 0.000 description 7
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- 230000006866 deterioration Effects 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- -1 polyethylene Polymers 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 4
- 238000010422 painting Methods 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 239000004566 building material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical class CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 208000005156 Dehydration Diseases 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920002978 Vinylon Polymers 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 150000001804 chlorine Chemical class 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000003712 decolorant Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Finished Plywoods (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、建築材等の表面化粧材
等に用いて有用な突き板シートの製造方法に関するもの
である。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for producing a veneer sheet which is useful as a surface decorative material such as a building material.
【0002】[0002]
【従来の技術】従来から、突き板の裏面に裏打ち材を貼
着した後、突き板の表面に着色、塗装、フィルムコーテ
ィング等の表面仕上げして製造された突き板シートが知
られている。この突き板シートは、例えば建築材等の表
面化粧材として基材の表面に貼着して使用されており、
基材への貼着を最終工程として建築材等の表面に化粧面
を付与し、この後に表面仕上げを必要としないものであ
る。2. Description of the Related Art Conventionally, there has been known a veneer sheet manufactured by applying a backing material to the back surface of the veneer and then finishing the surface of the veneer by coloring, painting, film coating or the like. This veneer sheet is used by being attached to the surface of a base material as a surface decorative material such as a building material,
A decorative surface is applied to the surface of a building material or the like as a final step of sticking to a base material, and thereafter, surface finishing is not required.
【0003】ところで、突き板は天然材料である木材か
ら製造されているために、木材の色彩のバラツキに起因
して、その色彩にバラツキを少なからず有しており、そ
のために突き板を表面仕上げ等して商品化したときに商
品毎に色彩にバラツキを生じるという問題があった。従
来では、この問題を解決するために、基材に貼着した突
き板に脱色剤を塗布して突き板の色を脱色するという手
法が一般に行われているが、この方法によれば、突き板
を脱色した後、突き板の表面に着色、塗装、フィルムコ
ーティング等の表面仕上げを施して化粧面を形成する必
要があり、完成された化粧面を有する突き板シートにお
いて上記問題を解決するものではなかった。By the way, since the veneer is manufactured from wood which is a natural material, the veneer has a considerable variation in the color due to the variation in the color of the wood. There is a problem in that when the products are commercialized by using the same method, the colors vary from product to product. Conventionally, in order to solve this problem, a method of applying a decolorizing agent to the veneer attached to the base material to decolorize the veneer is generally performed. After decolorizing the plate, it is necessary to form a decorative surface by subjecting the surface of the veneer to coloring, painting, film coating, etc., which solves the above problems in a completed veneer sheet having a decorative surface. Was not.
【0004】[0004]
【発明が解決しようとする課題】本発明は、上記の事情
に鑑みてなされたもので、表面の色彩にバラツキがな
く、且つ表面に完成された化粧面を有する突き板シート
を得ることができる突き板シートの製造方法を提供する
ものである。SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and it is possible to obtain a veneer sheet having a surface with no variation in color and having a completed decorative surface. A method for manufacturing a veneer sheet is provided.
【0005】[0005]
【課題を解決するための手段】本発明の突き板シートの
製造方法は、厚み0.3mm以下の突き板の裏面に裏打
ち材を貼着した後、この突き板を脱色剤で脱色処理し、
さらに表面に表面仕上げすることを特徴とするものであ
る。The method for producing a veneer sheet according to the present invention comprises a backing material attached to the back surface of a veneer having a thickness of 0.3 mm or less, which is then decolorized with a decolorizing agent.
Further, it is characterized in that the surface is finished.
【0006】ここで脱色処理とは、脱色剤を突き板に塗
布する、あるいは脱色剤に突き板を浸漬する等して脱色
剤を突き板に作用させて突き板の色を脱色することであ
り、脱色剤としては、特に限定されるものではなく、木
材やパルプの漂白に汎用されている公知のものを用いる
ことができるもので、例えば水酸化ナトリウム水溶液等
のアルカリ性水溶液、過酸化水素水等の酸化剤が例示で
きる。また、脱色処理後の突き板への表面仕上げとして
は、特に限定されず、着色、塗装、フィルムコーティン
グ等、従来から公知の処理を施すことができるものであ
る。Here, the decolorizing treatment is to apply the decolorizing agent to the veneer plate or to immerse the veneer plate in the decolorizing agent so that the decolorizing agent acts on the veneer plate to decolorize the veneer plate. The decolorizing agent is not particularly limited, and known ones commonly used for bleaching wood and pulp can be used, and examples thereof include alkaline aqueous solutions such as sodium hydroxide aqueous solution, hydrogen peroxide solution and the like. Examples of the oxidizing agent include Further, the surface finish of the veneer plate after the decolorization treatment is not particularly limited, and conventionally known treatments such as coloring, painting and film coating can be applied.
【0007】本発明の突き板シートの製造方法におい
て、裏面に裏打ち材を貼着した突き板を、複数枚継ぎ合
わせて長尺帯状のシートを形成し、このシートを先端か
ら脱色剤を有する脱色処理槽を潜らせて連続的に脱色処
理すると好ましいものである。In the method for producing a veneer sheet according to the present invention, a plurality of veneer sheets having a backing material adhered to the back surface are joined together to form a long strip-shaped sheet, and the sheet is decolorized with a decolorizing agent from the tip. It is preferable that the processing tank is submerged and the color is continuously decolorized.
【0008】また、本発明の突き板シートの製造方法に
おいて、裏打ち材が耐脱色剤性を有するものであると好
ましいものである。In the method for manufacturing a veneer sheet according to the present invention, it is preferable that the backing material has a decolorizing agent resistance.
【0009】この場合、裏打ち材が塩化ビニルフィルム
であり、突き板の裏面に塩化ビニルフィルムを熱圧着し
ても構わないものである。In this case, the backing material is a vinyl chloride film, and the vinyl chloride film may be thermocompression bonded to the back surface of the veneer.
【0010】あるいは、裏打ち材が、ポリオレフィン系
樹脂繊維からなるスパンボンド不織布、または、芯とな
る繊維をポリオレフィン系樹脂で鞘状に包み込んだ繊維
からなる不織布であっても構わないものである。Alternatively, the backing material may be a spunbonded non-woven fabric made of polyolefin resin fibers or a non-woven fabric made of fibers in which a core fiber is wrapped in a polyolefin resin in a sheath shape.
【0011】ここで、耐脱色剤性を有する裏打ち材と
は、脱色処理に用いられる脱色剤に腐食されることによ
り補強効果を喪失することがない材質からなる裏打ち材
のことであり、その材質は特に限定されず、脱色剤の種
類、脱色処理の程度等により、適当なものを選択するこ
とができるものである。例えば、脱色剤として水酸化ナ
トリウム水溶液や過酸化水素水を用いる場合には、塩化
ビニルフィルム、ポリエチレン、ポリプロピレン等のポ
リオレフィン系樹脂繊維からなるスパンボンド不織布、
または、芯となる繊維をポリオレフィン系樹脂で鞘状に
包み込んだ繊維からなる不織布などを裏打ち材として用
いるとよい。また、脱色処理の程度が略白色とする高度
の脱色である場合には、ポリエチレン系の材質からなる
裏打ち材が好ましく、一方、突き板の木味を損なうこと
のない軽度の脱色である場合には、例えばビニロン(商
標)を混抄した紙でも使用し得るものである。Here, the backing material having a decolorizing agent resistance is a backing material made of a material that does not lose its reinforcing effect by being corroded by the decolorizing agent used in the decolorizing treatment. Is not particularly limited, and an appropriate one can be selected depending on the type of decolorizing agent, the degree of decoloring treatment, and the like. For example, when using a sodium hydroxide aqueous solution or hydrogen peroxide solution as a decolorizing agent, vinyl chloride film, polyethylene, spunbond nonwoven fabric made of polyolefin resin fibers such as polypropylene,
Alternatively, a non-woven fabric made of fibers obtained by wrapping a core fiber with a polyolefin resin in a sheath shape may be used as the backing material. Further, when the degree of the decolorization treatment is a high degree of decolorization that is almost white, a backing material made of a polyethylene-based material is preferable, while on the other hand, in the case of a mild decolorization that does not impair the woody veneer. Can also be used, for example, a paper mixed with vinylon (trademark).
【0012】また、本発明の突き板シートの製造方法に
おいては、裏打ち材を離型板上に仮貼着し、この裏打ち
材に突き板を貼着した後、突き板と裏打ち材とを一体に
して離型板から剥離し、これを脱色剤で脱色処理し、さ
らに表面に表面仕上げするようにしても構わないもので
ある。In the method for manufacturing a veneer sheet according to the present invention, the backing material is temporarily attached to the release plate, the veneer is attached to the backing material, and then the veneer and the backing material are integrated. Alternatively, it may be peeled from the release plate, decolorized with a decolorizing agent, and then surface-finished.
【0013】[0013]
【作用】本発明の突き板シートの製造方法によると、突
き板を脱色処理することにより、突き板ごとに異なる色
彩のバラツキをほぼ無くすことができる。この突き板を
脱色処理する工程において、突き板の裏面に貼着した裏
打ち材が補強効果を奏して、突き板が割れたり欠けたり
して破損するのを防止する。さらに、脱色処理された突
き板に表面仕上げを施すことにより、表面の色彩が揃
い、且つ表面に完成された化粧面を有する突き板シート
を得ることができる本発明の突き板シートの製造方法に
おいて、裏面に裏打ち材を貼着した突き板を、複数枚継
ぎ合わせて長尺帯状のシートを形成し、このシートを先
端から脱色剤を有する脱色処理槽を潜らせて連続的に脱
色処理すると、突き板の脱色処理が効率的に行うことが
でき、突き板シートの製造効率が向上する。According to the method for manufacturing a veneer sheet of the present invention, the color variation of each veneer can be substantially eliminated by decolorizing the veneer. In the step of decolorizing the veneer, the backing material attached to the back surface of the veneer has a reinforcing effect and prevents the veneer from being broken or chipped and damaged. Furthermore, in the method for producing a veneer sheet of the present invention, by subjecting the veneer sheet that has been decolorized to a surface finish, it is possible to obtain a veneer sheet having a uniform surface color and having a finished decorative surface. , If a veneer having a backing material adhered to the back surface is joined together to form a long strip-shaped sheet, and this sheet is continuously decolorized by dipping a decoloring treatment tank having a decolorizing agent from the tip, The veneer plate can be efficiently decolorized, and the veneer sheet manufacturing efficiency is improved.
【0014】また、本発明の突き板シートの製造方法に
おいて、裏打ち材が耐脱色剤性を有するものであると、
裏打ち材が脱色処理によって腐食されにくく、補強強度
の劣化を防止できる。In the method for producing a veneer sheet according to the present invention, the backing material has a decolorizing agent resistance,
The backing material is less likely to be corroded by the decolorizing treatment, and the deterioration of the reinforcing strength can be prevented.
【0015】この場合、裏打ち材が塩化ビニルフィルム
であり、突き板の裏面に塩化ビニルフィルムを熱圧着す
ることにより、裏打ち材の補強強度の劣化が防止され
る。このとき、塩化ビニルフィルムを熱圧着する際に、
塩化ビニルフィルムが僅かに熱劣化を受けて微量の塩素
を発生し、この塩素が突き板中のリグニンに作用して脱
色効果を奏する。塩化ビニルフィルムを熱圧着する温度
は150度近傍が望ましいものである。In this case, the backing material is a vinyl chloride film, and the vinyl chloride film is thermocompression-bonded to the back surface of the veneer plate to prevent deterioration of the reinforcing strength of the backing material. At this time, when thermocompression bonding the vinyl chloride film,
The vinyl chloride film is slightly deteriorated by heat to generate a small amount of chlorine, and this chlorine acts on the lignin in the veneer to exert a decolorizing effect. The temperature for thermocompression bonding of the vinyl chloride film is preferably around 150 degrees.
【0016】あるいは、裏打ち材として、ポリオレフィ
ン系樹脂繊維からなるスパンボンド不織布、または、芯
となる繊維をポリオレフィン系樹脂で鞘状に包み込んだ
繊維からなる不織布を用いることにより、裏打ち材の補
強強度の劣化が防止される。Alternatively, by using a spunbonded non-woven fabric made of polyolefin resin fibers or a non-woven fabric made of fibers in which a core fiber is wrapped in a polyolefin resin in a sheath shape as the backing material, the reinforcing strength of the backing material can be improved. Deterioration is prevented.
【0017】また、本発明の突き板シートの製造方法に
おいては、裏打ち材を離型板上に仮貼着し、この裏打ち
材に突き板を貼着した後、突き板と裏打ち材とを一体に
して離型板から剥離することにより、突き板と裏打ち材
とを一体化すると、突き板に裏打ち材を貼着する際に裏
打ち材がシワになりにくい。In the method for manufacturing a veneer sheet according to the present invention, the backing material is temporarily attached to the release plate, the veneer is attached to the backing material, and then the veneer and the backing material are integrated. When the veneer plate and the backing material are integrated by peeling the backing material from the release plate, the backing material does not easily wrinkle when the backing material is attached to the veneer plate.
【0018】[0018]
−実施例1− 図1に示す如く、ナラ材からなる寸法300mm×25
00mm、厚み0.25mmの突き板1の裏面に、同寸
の不織布2(ポリエステル(PET)からなる繊維6を
芯としてポリエチレンの皮膜7で包んだ略鞘状の繊維か
らなるスパンボンド不織布(ユニチカ(株)社製、商品
名:エルベス))を接着剤3(カネボウNSC(株)社
製、商品名:プライロック)を介して熱圧することによ
り貼着して突き板シート4を得た。この突き板シート
4,4の端部を、図2に示す如く、幅50mmのポリエ
チレン系ホットメルト不織布5で継ぎ合わせて、長手方
向に計40枚接続し、長さ100mのシート8とした。-Example 1-As shown in FIG. 1, the size of the oak material is 300 mm × 25.
A spunbonded non-woven fabric (unitika) made of a substantially sheath-like fiber in which a non-woven fabric 2 of the same size (a fiber 6 made of polyester (PET) is wrapped in a polyethylene film 7 on the back surface of a veneer 1 of 00 mm and a thickness of 0.25 mm. The adhesive sheet 3 manufactured by Kanebo NSC Co., Ltd., manufactured by Kanebo NSC Co., Ltd., manufactured under the trade name of Elves Co., Ltd. was heat-pressed to obtain the veneer sheet 4. As shown in FIG. 2, the end portions of the veneer sheets 4 and 4 were joined together by a polyethylene hot melt nonwoven fabric 5 having a width of 50 mm, and a total of 40 sheets were connected in the longitudinal direction to form a sheet 8 having a length of 100 m.
【0019】次に、図3に示す如き脱色処理装置により
シート8の脱色処理を行った。この脱色処理装置は、未
処理のシート8が巻き取られた巻出ロール9と、60℃
に保たれた水酸化ナトリウム水溶液11が満たされたア
ルカリ脱色処理槽10と、このアルカリ脱色処理槽10
にシート8を搬送するガイドロール14,15,16
と、アルカリ脱色処理されたシート8に過酸化水素を塗
布する脱色剤塗布ロール17と、60℃の湿熱状態に保
たれ、シート8に塗布された過酸化水素を分解して突き
板1の脱色を促進させる過酸化水素分解槽12と、脱色
処理後のシート8を巻き取る巻取ロール13とから構成
されている。この脱色処理装置において、巻出ロール9
からシート8を巻き出してガイドロール14,15,1
6と順次搬送させて水酸化ナトリウム水溶液11に10
分間浸漬した後、脱色剤塗布ロール17により過酸化水
素50g/m2 を塗布し、さらに過酸化水素分解槽12
に搬送して30分間養生した後、巻取ロール13に巻き
取った。脱水処理後のシート8を構成している突き板シ
ート4には、割れ、欠け等の損傷がなかった。Next, the sheet 8 was decolorized by the decoloring apparatus shown in FIG. This decolorization processing device is equipped with an unwinding roll 9 around which an untreated sheet 8 is wound up, and 60 ° C.
Alkaline decolorizing treatment tank 10 filled with sodium hydroxide aqueous solution 11 kept at
Guide rolls 14, 15, 16 for conveying the sheet 8 to the
And a decolorant coating roll 17 that applies hydrogen peroxide to the alkali-decolorized sheet 8 and a wet heat state of 60 ° C. to decompose the hydrogen peroxide applied to the sheet 8 and decolorize the veneer 1. And a take-up roll 13 for taking up the sheet 8 after the decolorization treatment. In this decolorization processing device, the unwinding roll 9
Unwind the sheet 8 from the guide rolls 14, 15, 1
6 in sequence and transferred to sodium hydroxide aqueous solution 11 to 10
After soaking for a minute, 50 g / m 2 of hydrogen peroxide was applied by the decoloring agent application roll 17, and the hydrogen peroxide decomposition tank 12
The film was conveyed to a substrate and cured for 30 minutes, and then wound on a winding roll 13. The veneer sheet 4 constituting the sheet 8 after the dehydration treatment had no damage such as cracking or chipping.
【0020】上記の如くして脱色した突き板シート4の
表面仕上げとして、その表面にステイン(和信化学
(株)社製、商品名:ロスキラック)で着色した後、そ
の上に厚み0.08mmの透明塩化ビニルフィルムを水
性ウレタン系接着剤(コニシ(株)社製:品番CVC)
により貼着し、突き板シート4の完成品を得た。この突
き板シート4は、色彩にバラツキがなく、且つ完成され
た化粧面を有しているものであった。As a surface finish of the veneer sheet 4 decolorized as described above, its surface is colored with stain (manufactured by Woshin Chemical Co., Ltd., trade name: Roskilac), and then 0.08 mm thick. Water-based urethane adhesive (Konishi Co., Ltd. product number: CVC)
To obtain a finished veneer sheet 4. The veneer sheet 4 had no color variation and had a completed decorative surface.
【0021】−実施例2− 合板にPETシートを貼着してなる離型板の表面に、変
成酢酸ビニル系接着剤(カネボウNSC(株)社製、商
品名:プライロックCL982)を5g/尺2塗布し、
この上に厚み0.13mm,単位重量30g/m2 のポ
リエステル系不織布(ユニチカ(株)社製、商品名:マ
リックス)を載せて圧締(面圧0.686MPA/cm
2 ,温度100℃−30秒、エア抜き30秒)すること
により仮貼着した。さらにこの上に上記と同じ接着剤を
同量塗布し、この上に道産ナラ材からなる厚み0.25
mmの突き板を載せて圧締(前記と同条件)し貼着し
た。十分に温度が下がった後、離型板から一体化した突
き板と不織布とを剥離し、突き板シートを得た。-Example 2-On the surface of a release plate obtained by adhering a PET sheet to a plywood, 5 g of a modified vinyl acetate adhesive (Kanebo NSC Co., Ltd., trade name: Plylock CL982) was used. Apply a shaku 2
A polyester non-woven fabric (manufactured by Unitika Ltd., trade name: Marix) having a thickness of 0.13 mm and a unit weight of 30 g / m 2 is placed on the surface and pressed (face pressure 0.686 MPA / cm).
(2 , temperature 100 ° C.-30 seconds, air bleeding 30 seconds) for temporary attachment. The same amount of adhesive as above was applied on top of this, and a thickness of 0.25 made of oak from Hokkaido
A veneer plate of mm was placed on the plate, and the plate was pressed (same conditions as described above) and attached. After the temperature was sufficiently lowered, the integrated veneer and non-woven fabric were separated from the release plate to obtain a veneer sheet.
【0022】次に、この突き板シートの脱色処理を行っ
た。まず、突き板シートを4%水酸化ナトリウム水溶液
(日東化学(株)社製、商品名:セレクトブリーチB
液)に常温(25℃)で2分間浸漬して前処理を行い、
次に水酸化ナトリウムを2%含有し、且つ過酸化水素を
17.5%含有する水溶液(日東化学(株)社製のセレ
クトブリーチA液とB液を1:1で混合したもの)に1
0秒浸漬して脱色処理を行った。さらに、突き板シート
を冷水で十分に洗浄した後、風乾で12時間、またはロ
ールヒーターで2分間乾燥した。Next, the veneer sheet was decolorized. First, a veneer sheet is a 4% aqueous sodium hydroxide solution (manufactured by Nitto Chemical Co., Ltd., trade name: Select Bleach B)
Liquid) at room temperature (25 ° C) for 2 minutes for pretreatment,
Next, to an aqueous solution containing 2% of sodium hydroxide and 17.5% of hydrogen peroxide (select bleach solution A and solution B manufactured by Nitto Kagaku Co., 1: 1 mixed) was added 1
It was soaked for 0 seconds to be decolorized. Further, the veneer sheet was thoroughly washed with cold water and then air-dried for 12 hours or dried with a roll heater for 2 minutes.
【0023】次に、以下の如くこの突き板シートに染色
を行った。すなわち、突き板シートを裏面を下にして、
前述と同じ離型板上に酢酸ビニル系接着剤(コニシ
(株)社製、商品名:CH6、塗布量5g/尺2 )を介
して載せ、これを圧締(前記と同条件)して仮貼着し
た。そして、突き板シートの表面を研磨(#400ペー
パー)した後、PEGMA(ポリエチレングリコール、
分子量約350)とアルコール系浸透剤(明成化学
(株)社製、商品名:EC−9)とをそれぞれ15%、
0.3%添加して浸透性を高めた水溶性染料(住友化学
(株)社製、商品名:スミノール)をスポンジロールま
たは刷毛塗りでおよそ8g/尺2 塗布した。さらに風乾
で4〜12時間、熱風乾燥機(40℃)で1〜2時間乾
燥した。Next, the veneer sheet was dyed as follows. That is, with the back surface of the veneer sheet facing down,
It is placed on the same release plate as above via a vinyl acetate adhesive (manufactured by Konishi Co., Ltd., trade name: CH6, coating amount 5 g / scale 2 ) and pressed (same conditions as above). I attached it temporarily. Then, after polishing the surface of the veneer sheet (# 400 paper), PEGMA (polyethylene glycol,
15% each of a molecular weight of about 350) and an alcohol-based penetrant (manufactured by Meisei Chemical Co., Ltd., trade name: EC-9),
It was added 0.3% increased the permeability water-soluble dye (Sumitomo Chemical Co., Ltd., trade name: Suminoru) was approximately 8 g / scale 2 coated with a sponge roll or brushing. Further, it was dried with air for 4 to 12 hours and with a hot air dryer (40 ° C.) for 1 to 2 hours.
【0024】さらに、下記に示す如くして突き板シート
の表面に塗装を行った。塗装には、サンユーペイント
(株)社製のウレタン塗料を使用した。まず突き板シー
トの表面にナチュラルロールでウレタンシーラーを塗布
し乾燥して下塗りを行い、この上にスポンジロールで目
止め剤を塗布し、さらにこれをかき取って目止め処理を
施した後、スポンジロールでステインを塗布して下地着
色を行った。次にこの上にウレタンサンディングシーラ
ーをロール塗布して中塗りを行い、その表面を研磨(#
400、#600ペーパー)した。さらに、この上にウ
レタン塗料系着色剤でスプレー着色をした後、ウレタン
クリアーでスプレーによる上塗りを行った。上述の如く
して、ミディアムオーク色に着色された突き板シートが
得られた。Further, the surface of the veneer sheet was coated as described below. A urethane paint manufactured by Sanyu Paint Co., Ltd. was used for the painting. First, apply urethane sealer on the surface of the veneer sheet with a natural roll, dry it to undercoat it, apply a sealing agent on it with a sponge roll, scrape it off and apply a sealing treatment, then sponge The stain was applied with a roll to perform base coloring. Next, roll-apply a urethane sanding sealer on this to apply an intermediate coating, and polish the surface (#
400, # 600 paper). Furthermore, after spray coloring with a urethane paint-based coloring agent on this, a top coat was applied by spraying with urethane clear. A veneer sheet colored medium oak was obtained as described above.
【0025】該実施例においては、上述の工程により、
11枚の突き板に関してそれぞれミディアムオーク色に
着色された突き板シートを作製した。得られた突き板シ
ートについて、塗装後の色彩(CIE−1976 L* a* b
* 表色系による、 L* 、 a*、 b* の値)を(表1)に
示し、この値から各突き板シート間の色彩差ΔEの値を
(表2)に示した。In this embodiment, the above steps
A veneer sheet colored in medium oak was prepared for each of the 11 veneers. About the obtained veneer sheet, the color after coating (CIE-1976 L * a * b
* According to color system, L *, a *, b * value) are shown in (Table 1) showed a value of color difference ΔE between the veneer sheet from this value (Table 2).
【0026】[0026]
【表1】 [Table 1]
【0027】[0027]
【表2】 [Table 2]
【0028】上記実施例との比較例として、上述の工程
において脱色処理を行わずに、実施例に用いたものと同
じ11枚の突き板に関してそれぞれミディアムオーク色
に着色された突き板シートを作製した。得られた突き板
シートについて、塗装後の色彩( L* 、 a* 、 b* の
値)を(表3)に示し、この値から各突き板シート間の
色彩差ΔEの値を(表4)に示した。As a comparative example with respect to the above-described embodiment, a veneer sheet colored with medium oak was prepared for each of the same 11 veneer plates used in the example without performing the decoloring treatment in the above steps. did. With respect to the obtained veneer sheet, the colors (values of L * , a * , b * ) after coating are shown in (Table 3), and from this value, the value of the color difference ΔE between the veneer sheets is shown in (Table 4). )Pointing out toungue.
【0029】[0029]
【表3】 [Table 3]
【0030】[0030]
【表4】 [Table 4]
【0031】(表2)と(表4)を比較すると、該実施
例におけるΔE値の方が比較例のそれと比べて、全体的
にバラツキが小さいことがわかる。因みに、実施例およ
び比較例における( L* 、 a* 、 b* の値)の平均値と
標準偏差を(表5)に示した。Comparing (Table 2) and (Table 4), it can be seen that the ΔE value in the example has a smaller variation as a whole than that in the comparative example. Incidentally, the average value and standard deviation of (values of L * , a * , b * ) in Examples and Comparative Examples are shown in (Table 5).
【0032】[0032]
【表5】 [Table 5]
【0033】(表5)より、実施例の方が比較例よりも
( L* 、 a* 、 b* の値)の標準偏差が小さいことがわ
かる。したがって、該実施例は比較例よりも色彩のバラ
ツキが小さいと言える。From Table 5, it can be seen that the example has a smaller standard deviation of (values of L * , a * , b * ) than the comparative example. Therefore, it can be said that the embodiment has less variation in color than the comparative example.
【0034】[0034]
【発明の効果】本発明の突き板シートの製造方法による
と、突き板を脱色処理することにより、突き板ごとに異
なる色彩のバラツキをほぼ無くすことができる。この突
き板を脱色処理する工程において、突き板の裏面に貼着
した裏打ち材が補強効果を奏して、突き板が割れたり欠
けたりして破損するのを防止する。さらに、脱色処理さ
れた突き板に表面仕上げを施すことにより、表面の色彩
が揃い、且つ表面に完成された化粧面を有する突き板シ
ートを得ることができる本発明の突き板シートの製造方
法において、裏面に裏打ち材を貼着した突き板を、複数
枚継ぎ合わせて長尺帯状のシートを形成し、このシート
を先端から脱色剤を有する脱色処理槽を潜らせて連続的
に脱色処理すると、突き板の脱色処理が効率的に行うこ
とができ、突き板シートの製造効率が向上する。According to the method of manufacturing a veneer sheet of the present invention, the color variation of each veneer can be almost eliminated by decolorizing the veneer. In the step of decolorizing the veneer, the backing material attached to the back surface of the veneer has a reinforcing effect and prevents the veneer from being broken or chipped and damaged. Furthermore, in the method for producing a veneer sheet of the present invention, by subjecting the veneer sheet that has been decolorized to a surface finish, it is possible to obtain a veneer sheet having a uniform surface color and having a finished decorative surface. , If a veneer having a backing material adhered to the back surface is joined together to form a long strip-shaped sheet, and this sheet is continuously decolorized by dipping a decoloring treatment tank having a decolorizing agent from the tip, The veneer plate can be efficiently decolorized, and the veneer sheet manufacturing efficiency is improved.
【0035】また、本発明の突き板シートの製造方法に
おいて、裏打ち材が耐脱色剤性を有するものであると、
裏打ち材が脱色処理によって腐食されにくく、補強強度
の劣化を防止できる。In the method for manufacturing a veneer sheet according to the present invention, the backing material has a decolorizing agent resistance,
The backing material is less likely to be corroded by the decolorizing treatment, and the deterioration of the reinforcing strength can be prevented.
【0036】この場合、裏打ち材が塩化ビニルフィルム
であり、突き板の裏面に塩化ビニルフィルムを熱圧着す
ることにより、裏打ち材の補強強度の劣化が防止され
る。In this case, the backing material is a vinyl chloride film, and the vinyl chloride film is thermocompression-bonded to the back surface of the veneer to prevent deterioration of the reinforcing strength of the backing material.
【0037】あるいは、裏打ち材として、ポリオレフィ
ン系樹脂繊維からなるスパンボンド不織布、または、芯
となる繊維をポリオレフィン系樹脂で鞘状に包み込んだ
繊維からなる不織布を用いることにより、裏打ち材の補
強強度の劣化が防止される。Alternatively, by using a spunbonded non-woven fabric made of polyolefin resin fibers or a non-woven fabric made of fibers in which a core fiber is wrapped in a polyolefin resin in a sheath shape as the backing material, the reinforcing strength of the backing material is improved. Deterioration is prevented.
【0038】また、本発明の突き板シートの製造方法に
おいては、裏打ち材を離型板上に仮貼着し、この裏打ち
材に突き板を貼着した後、突き板と裏打ち材とを一体に
して離型板から剥離することにより、突き板と裏打ち材
とを一体化すると、突き板に裏打ち材を貼着する際に裏
打ち材がシワになりにくい。In the method for manufacturing a veneer sheet according to the present invention, the backing material is temporarily attached to the release plate, the veneer is attached to the backing material, and then the veneer and the backing material are integrated. When the veneer plate and the backing material are integrated by peeling the backing material from the release plate, the backing material does not easily wrinkle when the backing material is attached to the veneer plate.
【図1】本発明の実施例において形成される突き板シー
トの側面図である。FIG. 1 is a side view of a veneer sheet formed in an embodiment of the present invention.
【図2】本発明の実施例において形成される突き板シー
トの継ぎ合わせ方法を示す側面図である。FIG. 2 is a side view showing a joining method of veneer sheets formed in the embodiment of the present invention.
【図3】本発明の実施例における脱色処理工程を示す概
要図である。FIG. 3 is a schematic diagram showing a decolorizing process step in the example of the present invention.
【図4】本発明の実施例において使用される裏打ち材を
構成する繊維の断面斜視図である。FIG. 4 is a cross-sectional perspective view of fibers constituting a backing material used in an example of the present invention.
1 突き板 2 裏打ち材 3 接着剤 4 突き板シート 1 Veneer 2 Backing material 3 Adhesive 4 Veneer sheet
Claims (6)
打ち材を貼着した後、この突き板を脱色剤で脱色処理
し、さらに表面に表面仕上げすることを特徴とする突き
板シートの製造方法。1. A veneer sheet comprising a backing material having a thickness of 0.3 mm or less, and a backing material attached to the back surface of the veneer. Production method.
数枚継ぎ合わせて長尺帯状のシートを形成し、このシー
トを先端から脱色剤を有する脱色処理槽を潜らせて連続
的に脱色処理することを特徴とする請求項1記載の突き
板シートの製造方法。2. A long strip-shaped sheet is formed by joining a plurality of veneer plates having a backing material adhered to the back surface thereof, and the sheets are continuously passed from the tip to a decoloring treatment tank having a decolorizing agent. The method for manufacturing a veneer sheet according to claim 1, wherein the method is a decoloring treatment.
ることを特徴とする請求項1又は請求項2記載の突き板
シートの製造方法。3. The method for producing a veneer sheet according to claim 1, wherein the backing material has a decolorizing agent resistance.
突き板の裏面に塩化ビニルフィルムを熱圧着することを
特徴とする請求項3記載の木質化粧材の製造方法。4. The backing material is a vinyl chloride film,
The method for manufacturing a wood-based decorative material according to claim 3, wherein a vinyl chloride film is thermocompression bonded to the back surface of the veneer.
からなるスパンボンド不織布、または、芯となる繊維を
ポリオレフィン系樹脂で鞘状に包み込んだ繊維からなる
不織布であることを特徴とする請求項3記載の木質化粧
材の製造方法。5. The backing material is a spunbonded non-woven fabric made of polyolefin resin fibers, or a non-woven fabric made of fibers in which core fibers are wrapped in a polyolefin resin in a sheath shape. Method for manufacturing wood-based decorative material.
打ち材に突き板を貼着した後、突き板と裏打ち材とを一
体にして離型板から剥離し、これを脱色剤で脱色処理
し、さらに表面に表面仕上げすることを特徴とする請求
項1乃至請求項5記載の突き板シートの製造方法。6. A backing material is temporarily adhered to a release plate, a veneer plate is adhered to the backing material, and then the veneer plate and the backing material are integrally separated from the release plate and decolorized. The method for producing a veneer sheet according to claim 1, further comprising decolorizing with an agent and further finishing the surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4100995A JPH08267405A (en) | 1995-01-31 | 1995-02-28 | Manufacture for veneer sheet |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1436495 | 1995-01-31 | ||
| JP7-14364 | 1995-01-31 | ||
| JP4100995A JPH08267405A (en) | 1995-01-31 | 1995-02-28 | Manufacture for veneer sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08267405A true JPH08267405A (en) | 1996-10-15 |
Family
ID=26350292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4100995A Pending JPH08267405A (en) | 1995-01-31 | 1995-02-28 | Manufacture for veneer sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08267405A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007056582A (en) * | 2005-08-25 | 2007-03-08 | Inax Corp | Tile unit and its construction method |
| JP2007168138A (en) * | 2005-12-20 | 2007-07-05 | Yamaha Livingtec Corp | Decorative sheet and its manufacturing method |
| JP2019194001A (en) * | 2018-05-03 | 2019-11-07 | ソヨン イー−ファ カンパニー、リミテッドSeoyon E−Hwa Co., Ltd. | Method for manufacturing molded product including real wood |
-
1995
- 1995-02-28 JP JP4100995A patent/JPH08267405A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007056582A (en) * | 2005-08-25 | 2007-03-08 | Inax Corp | Tile unit and its construction method |
| JP2007168138A (en) * | 2005-12-20 | 2007-07-05 | Yamaha Livingtec Corp | Decorative sheet and its manufacturing method |
| JP2019194001A (en) * | 2018-05-03 | 2019-11-07 | ソヨン イー−ファ カンパニー、リミテッドSeoyon E−Hwa Co., Ltd. | Method for manufacturing molded product including real wood |
| US10981309B2 (en) | 2018-05-03 | 2021-04-20 | Seoyon E-Hwa Co., Ltd | Method for manufacturing molded product including real wood |
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