JPH11291203A - Production of woody decorative board - Google Patents

Production of woody decorative board

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Publication number
JPH11291203A
JPH11291203A JP10116156A JP11615698A JPH11291203A JP H11291203 A JPH11291203 A JP H11291203A JP 10116156 A JP10116156 A JP 10116156A JP 11615698 A JP11615698 A JP 11615698A JP H11291203 A JPH11291203 A JP H11291203A
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JP
Japan
Prior art keywords
surface
decorative
density
wood
embossing
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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
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JP10116156A
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Japanese (ja)
Inventor
Mitsuru Harada
Kei Ito
Yasushi Oyama
圭 伊藤
充 原田
靖 大山
Original Assignee
Daiken Trade & Ind Co Ltd
大建工業株式会社
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Application filed by Daiken Trade & Ind Co Ltd, 大建工業株式会社 filed Critical Daiken Trade & Ind Co Ltd
Priority to JP10116156A priority Critical patent/JPH11291203A/en
Publication of JPH11291203A publication Critical patent/JPH11291203A/en
Application status is Pending legal-status Critical

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Abstract

PROBLEM TO BE SOLVED: To obtain a woody decorative board which has an appearance close to natural wood and good water resistance.
SOLUTION: A decorative base board is manufactured by a process in which a thin-walled medium specific gravity fiber board 2 in which the surface and the back are formed to be a low density layer 2a and a high density layer 2b respectively is laminated on a woody substrate 1 such as plywood with the low density layer side directed to the surface. A decorative sheet 3 of a synthetic resin film on which a grain pattern is printed is laminated on the base board and subjected to embossing along the grain pattern. In this process, the low density layer 2a of the fiber board 2 is well adapted to the embossing so that sharp, deep embossing can be performed without breaking the decorative sheet 3. After that, the embossed part 4 is stained to form a beautiful conduit pattern along the grain pattern.
COPYRIGHT: (C)1999,JPO

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【発明の属する技術分野】本発明は建築用材、特に、床材として使用するのに好適な木質化粧板であって天然木に近い外観を呈し、且つ耐水性に優れた木質化粧板の製造方法に関するものである。 The present invention building materials BACKGROUND OF THE INVENTION, in particular, a suitable wood veneer for use as a flooring presenting the appearance close to natural wood, and method for producing a water-resistant excellent wood veneer it relates.

【0002】 [0002]

【従来の技術】従来から、表面に木目柄を設けた木質化粧板を得るには、合板などの木質材からなる基板の表面に木目柄を印刷した化粧フィルムを貼着し、この化粧フィルムの木目柄が一層天然木の外観を呈するようにするために、その表面に発泡剤を添加したインク、或いは塗膜の硬化を抑制する薬剤を添加した硬化抑制インクによって導管柄を作製する化学的な方法や、上記木目柄を印刷したフィルム表面にエンボスプレート、エンボスロール或いはエンボスフィルムを用いてエンボス加工を行うことにより導管柄を作製する物理的な方法が知られている。 Heretofore, in order to obtain a wood veneer having a grain pattern on the surface, and attaching a decorative film printed with wood grain pattern on the surface of a substrate made of wood material such as plywood, this decorative film for grain pattern is to further exhibit the appearance of natural wood, chemical to produce a conduit pattern with ink by adding a foaming agent to the surface, or curing suppression ink with added drug that inhibits curing of the coating and methods, embossing plate printed film surface the grain pattern, a physical method of making a conduit pattern is known by performing embossing using an embossing roll or embossing film.

【0003】一方、合板などの木質材の表面に直接化粧フィルムを貼着してなる上記化粧板の場合には、湿気の吸収、放散に伴う合板の膨張、収縮によって表面に細かい亀裂(干割れ)が生じて化粧性を損なうと共に、床材として使用した場合、表面に重量の大きい家具の脚や落下物などによる局部的な荷重が加わると凹みが生じたりキャスター付きワゴンによる摺動的な負荷によって化粧板の表面が傷を受ける等の問題点が生じるために、木質材表面に中比重繊維板を貼着し、この中比重繊維板の表面に化粧フィルムを貼着することが行われている。 [0003] On the other hand, in the case of the decorative plate made by sticking directly decorative film on the surface of the wood material such as plywood, moisture absorption, expansion of plywood with the dissipation shrinkage fine to the surface by cracks (Hiware ) together with impairing the cosmetic properties occurs, when used as flooring, slidingly load by the depressions caster wagon or caused local loads due legs and falling objects larger furniture weight to the surface is applied the surface of the veneer is to problems such undergo flaw occurs stuck medium density fiberboard woody material surface, the inside is made to be attached to the decorative film on the surface of specific gravity fiberboard by there.

【0004】 [0004]

【発明が解決しようとする課題】しかしながら、上記化学的なエンボス加工によって導管柄を作製する方法によれば、化粧フィルムに印刷している木目柄にエンボスによる導管柄を同調させることができるが、エンボスに木目のもつシャープさを現出させることができず、その上、塗膜の厚みが薄くて化粧性に劣るという問題点がある。 [SUMMARY OF THE INVENTION However, according to the method of making a conduit pattern by the chemical embossing, can be tuned conduit pattern by embossing the grain pattern that is printed on the decorative film, can not be revealing the sharpness with the wood grain embossing, Moreover, there is a problem of poor cosmetic properties and small thickness of the coating film.

【0005】一方、エンボスプレート等による物理的な加工によれば、シャープで深いエンボスを設けることができるが、上記のように木質材と中比重繊維板との複合材からなる基板表面に貼着している化粧フィルムにエンボスを施すと、通常、中比重繊維板は製造時においてその表裏が高密度(比重1.0 〜1.1 程度) の硬質層に形成されているので、亀裂等の発生をなくするには高い押圧力で徐々に押圧しなければならず、生産性が悪くなる。 On the other hand, according to the physical processing by embossing plate or the like, it can be provided a deep embossed sharp, bonded to a substrate surface made of a composite material of wood material and medium density fiberboard as described above When to have decorative film subjected to embossing, usually, since the middle density fiberboard its front and back at the time of manufacturing is formed on the hard layer of high density (specific gravity of about 1.0 to 1.1), eliminate the occurrence of cracks must be gradually pressed with a high pressing force, the productivity is bad.
その上、エッジがよりシャープとなるようにエンボス加工を施すと、そのエッジ部分の化粧フィルムが破損して化粧性ばかりでなく耐水性が損なわれるという問題点がある。 Moreover, when the edge is embossed to have a sharper, there is a problem that the water resistance as well as decorative properties decorative film is broken in the edge portion is impaired.

【0006】本発明はこのような問題点に鑑みてなされたもので、その目的とするところは天然木に酷似した外観を呈して良好な化粧性を有しかつ防水性及び寸法安定性や強度的にも優れた木質化粧板を得ることのできる製造方法を提供するにある。 [0006] The present invention has been made in view of such problems, and waterproof and dimensional stability and strength an appearance that closely resembles natural wood and has an object has good cosmetic properties manner to to provide a manufacturing method capable of obtaining an excellent woody decorative plate also.

【0007】 [0007]

【課題を解決するための手段】上記目的を達成するために本発明の木質化粧板の製造方法は、木質基板の表面に、表層側が低密度で裏層側が高密度に形成された厚さが3mm以下の中比重繊維板を、その高密度側の裏面を木質基板の表面に向けて積層接着することにより化粧台板を形成し、この化粧台板の表面に木目柄の印刷を設けてなる化粧紙を貼着したのちエンボス加工を施し、しかるのち、エンボス部にステイン着色を施すことを特徴としている。 Means for Solving the Problems A method of manufacturing a wood veneer of the present invention in order to achieve the above object, the surface of the wood substrate, the thickness of the surface layer side backing layer side at low density is formed at a high density the following specific gravity fiberboard in 3 mm, its vanity plate forming a back surface of the high-density side by laminating adhesive toward the surface of the wood substrate, formed by providing the printing of wood grain pattern on the surface of the vanity plate embossing After bonding the decorative paper, after accordingly, it is characterized by applying a stain colored embossed portion.

【0008】このような木質化粧板の製造方法において、請求項2に係る発明は、上記エンボス加工とステイン着色とによって化粧紙の木目柄に沿った導管柄を形成することを特徴とするものであり、請求項3に係る発明は、木質基板の表面に貼着している中比重繊維板の表層側における略0.5mm 厚の繊維層部分の平均密度を0.5 〜 [0008] In the production method of the wood veneer, the invention according to claim 2, characterized in that to form a conduit pattern along the decorative paper of grain pattern by the above-described embossing and stain coloring There, the invention according to claim 3, 0.5 to the average density of the fibrous layer portions of substantially 0.5mm thick in the surface side of the gravity fiberboard in which adhered to the surface of the wood substrate
0.75に形成していることを特徴としている。 It is characterized in that it is formed in 0.75.

【0009】 [0009]

【発明の実施の形態】本発明の実施の形態を図面について説明すると、まず、木質基板1の表面に厚さが1mm以上、3mm以下の薄い中比重繊維板2を積層、接着して化粧台板Aを作製する。 When the embodiment of the embodiment of the present invention will be described drawings, first, 1mm thickness or more on the surface of the wood substrate 1, stacked specific gravity fiber board 2 in the following thin 3 mm, vanity bonded to produce a plate a. 木質基板1としては、合板、木削辺板、木質繊維板(中比重繊維板を含む)、集成材等の木質板が使用され、床材を形成する場合にはこの木質基板1の厚みは通常2.3 〜25mmのものが用いられる。 The wood substrate 1, plywood, wood Kezuhenban, wood fiber board (including medium-density fiberboard), wood board, such as laminated wood is used, the thickness of the wood substrate 1 in the case of forming the flooring It is used as the normal 2.3 ~25mm.

【0010】一方、この木質基板1の表面に貼着する中比重繊維板2としては、表裏層が高密度層に形成されている通常の中比重繊維板ではなく、表層側が低密度で裏層側が高密度に形成された中比重繊維板2を用いる。 On the other hand, as this density fiberboard 2 in which adhered to the surface of the wood substrate 1, instead of the usual in specific gravity fiberboard front and back layers are formed on the dense layer, backing layer surface side with low density side uses specific gravity fiber board 2 in which is formed at a high density. このような中比重繊維板2を得るには、表裏層が高密度で内層が低密度に形成されている通常の中比重繊維板の片面を削成することによって得ることができるが、表裏層が高密度の該中比重繊維板を、その厚さ方向の中央部からカッタ等によって表裏側に2分割することによって高密度層の一面側から低密度層の他面側に密度傾斜を有する2枚の薄い中比重繊維板2を効率的に得ることができる。 Such obtain density fiber board 2 in such, may be a front and back layer of high density inner layer obtained by KezuNaru one side of normal in specific gravity fiberboard formed in the low-density, front and back layers 2 having a density gradient of the density of the middle density fiberboard, on the other side of the low-density layer from one surface side of the dense layer by bisecting the front and back side by the cutter or the like from the center of the thickness direction it can be obtained density fiber board 2 efficiently in sheets of thin.

【0011】このように、表層側が低密度層2aで裏層側が高密度層2bに形成されている薄い中比重繊維板2を、 [0011] Thus, the specific gravity fiber board 2 in a thin surface layer side backing layer side a low density layer 2a is formed on the high-density layer 2b,
その高密度側である裏面を木質基板1の表面に向けて積層接着することにより化粧台板Aを作製するものである。 It is intended to produce a vanity plate A by laminating adhesive toward the back surface thereof a high density side on the surface of the wood substrate 1. 低密度層2aを表層側に向けて中比重繊維板2を木質基板1表面に貼着する理由は、該低密度層2a上に後述する化粧紙3を貼着後、エンボス加工を行った際に、エッジがシャープで深いエンボス加工であっても化粧紙3に破れが生じないようにするためである。 Why medium density fiber board 2 is bonded to the wood substrate 1 toward the low-density layer 2a on the surface layer side, after bonding the decorative paper 3 to be described later on the low density layer 2a, when subjected to embossing to, even deep embossing edges sharp in order to prevent the occurrence tear the decorative paper 3. そのため、中比重繊維板2をその高密度を裏面側に向けて木質基板1の表面に積層接着し、低密度層2aにエンボス加工を施すようにしているが、この低密度層2aにおいてもその表層側における略0.5mm 厚の繊維層部分の平均比重が0.75を越えると、表面に貼着した化粧後3にエンボス加工による破れが生じて性能、意匠面等で支障が出る虞れがあるので、その厚さ部分の平均比重を0.50〜0.75に形成している。 Therefore, a medium density fiber board 2 and laminated and adhered to the surface of the wood substrate 1 toward the high density on the back side, but so that embossing the low-density layer 2a, its even in the low-density layer 2a If the average specific gravity of approximately 0.5mm fiber layer portion of the thickness of the surface layer side is greater than 0.75, performance break occurs by embossing the decorative after 3 adhered to the surface, since in the design surface, etc. there is a possibility that detrimental to form an average specific gravity of the thick portion to 0.50 to 0.75. なお、平均比重が0.50以下になると表面硬度が足りず、化粧紙3にエンボス加工を施しても所定の性能が得られない。 Incidentally, insufficient surface hardness when the average specific gravity of 0.50 or less, no predetermined performance can be obtained even embossed on the decorative paper 3.

【0012】上記のように化粧台板Aを作製したのち、 [0012] After making a vanity plate A as described above,
この化粧台板Aの中比重繊維板2における低密度層2aの表面に木目柄を印刷した合成樹脂シート又はフィルムよりなる防水性能を有する化粧紙3を貼着し、次いで、この化粧紙3の表面から該化粧紙3と共に中比重繊維板2 The vanity plate adhered decorative paper 3 having a waterproof performance consisting of a synthetic resin sheet or film printed with wood grain pattern on the surface of the low-density layer 2a in density fiber board 2 in the A, then the decorative paper 3 medium density from the surface together with the decorative paper 3 fiberboard 2
の表層部内に達するエンボス加工を化粧紙3の木目柄に沿って施したのち、図2に示すようにこのエンボス部4 After embossing to reach the surface portion subjected along the grain pattern of the decorative paper 3, as shown in FIG. 2 the embossed portions 4 of
に、油性染料や顔料を溶剤で希釈してなるステイン(木材着色剤)を塗布することによってエンボス部4にステイン着色を施し、このステイン着色層5を設けたエンボス部4により導管を現出しているものである。 In the oil dye or a pigment subjected to a stain colored embossed portions 4 by applying a stain (wood stain) obtained by diluting with a solvent, to emerge conduit by embossed portions 4 provided with the stain colored layer 5 it is those who are.

【0013】エンボス加工は、化粧紙3に印刷している木目柄に沿って導管柄を形成するための多数の突部を成形してなるエンボスプレート又はエンボスロールを用いて化粧台板Aの化粧紙表面を押圧することにより行われ、ステイン着色は、リバースコータ又はドクターブレード、或いはワイピングマシン等を用いてエンボス部4 [0013] Embossing cosmetic vanity plate A using molding the embossing plates or embossing rolls comprising a number of projections to form a conduit pattern along the grain pattern that is printed on the decorative paper 3 done by pressing the paper surface, stain coloration, reverse coater or doctor blade, or the embossed portions 4 with a wiping machine etc.
を濃色のステインで着色するものであって、この着色により天然木に近い木質感のある化粧板を得るものである。 The it is those colored with dark stains and to obtain a decorative board having a woody feeling close to natural wood by this coloration.

【0014】化粧台板Aの化粧紙3に設けたエンボス部4にステイン着色を行う方法としては、次に挙げる〜 [0014] embossed portions 4 provided on the decorative paper 3 vanity plate A as a method of performing stain coloration is then given -
のうち、いずれかの方法を用いて行われる。 Of be performed using any method. . 化粧台板Aの表面に上記木目柄を印刷してなる化粧紙3を貼着後、この化粧紙3にエンボス加工を施し、しかるのち、ステイン着色する。 After bonding the decorative paper 3 on the surface of the vanity panel A formed by printing the grain pattern, embossed on the decorative paper 3, after accordingly, to stain coloration. . 化粧台板Aの表面に上記木目柄を印刷してなる化粧紙3を貼着後、その表面にシーラを塗布し、該塗布層を乾燥させたのち、エンボス加工とステイン着色とを順次行う。 After bonding the decorative paper 3 on the surface of the vanity panel A formed by printing the grain pattern, applying the sealer to the surface, after the coating layer was dried sequentially performs the embossing and stain coloration. . 木目柄を印刷してなる化粧紙3の表面に予め、シーラ塗布層を設けておき、この化粧紙3を化粧台板Aの表面に貼着後、エンボス加工とステイン着色とを順次行う。 Advance on the surface of the decorative paper 3 formed by printing wood grain patterns, it may be provided a sealer coating layer, after attaching the decorative paper 3 on the surface of the vanity panel A, sequentially performing the embossing and stain coloration. . 化粧台板Aの表面に上記木目柄を印刷してなる化粧紙3を貼着後、エンボス加工を施し、しかるのち、表面にシーラ塗装を行ってこの塗布層を硬化させたのち、ステイン着色を行う。 After bonding the decorative paper 3 on the surface of the vanity panel A formed by printing the grain pattern, embossed, after accordingly, after curing the coating layer by performing a sealer coating on the surface, the stain coloration do.

【0015】なお、化粧板の表面性能をさらに向上させるために、上記方法によって得られた化粧板の表面にクリア塗装を施してもよく、この際、その塗料に減摩材を添加しておいてもよい。 [0015] In order to further improve the surface properties of the veneer, may be subjected to clear coating on the surface of the resulting decorative plate by the above method, this time, our by adding antifriction material on its paint It can have. 又、木質基板1の表裏面に上記中比重繊維板2を積層、接着し、その低比重層2aに化粧紙3を貼着したのち、表裏の化粧紙3に上記エンボス加工とステイン着色を施してもよい。 Further, the in density fiber board 2 on the front and back surfaces of the wood substrate 1 laminated, adhered, after bonding the decorative paper 3 to the low specific gravity layer 2a, the embossed and stain colored on both sides of the decorative paper 3 subjected it may be. 次に本発明の具体的な実施例と比較例を示す。 Then the specific embodiments of the present invention showing a comparative example.

【0016】 [0016]

【実施例】〔実施例1〕厚さが3mmの中比重繊維板を、 EXAMPLES Example 1 in a thickness of 3mm density fiberboard,
厚さ方向の略中央をナイフにて表面側と裏面側とに割裂することにより、一面側の比重が0.6 の低密度層で他面側の比重が0.9の高密度層となっている厚さが1.5mm の極薄の中比重繊維板を2枚得た。 By the 20 percent cleft surface side and the back side to a thickness direction substantially center the knife, the thickness specific gravity of the other side in the low-density layer of the specific gravity of one side of 0.6 is a dense layer of 0.9 There was obtained 2 sheets of gravity fiberboard in a very thin 1.5 mm. この中比重繊維板を一枚、その低密度層側を表面に向けて裏面を厚さが9mmの合板表面に接着剤で貼着して化粧台板を作製した。 This in one specific gravity fiberboard, the low-density layer side backside thickness toward the surface to produce a vanity plate by sticking with an adhesive plywood surface of 9mm thereof. 次いで、この化粧台板の表面にエチレン酢酸ビニル接着剤を約65g/m 2塗布し、105 ℃の乾燥機で20秒間風乾したのち、表面にナラ材の木目柄を印刷してなる23g/m 2の化粧紙をラミネータによって貼着した。 Then, the vanity plate surface ethylene vinyl acetate adhesive about 65 g / m 2 was applied to the, after dried for 20 seconds air at a 105 ° C. oven, made by printing the grain pattern of oak wood on the surface 23 g / m 2 of decorative paper was stuck by a laminator. しかるのち、ナラ材から木目模様を凹凸に型取りしてなるエンボスプレートの型面を化粧紙の表面に載置し、120 ℃で20分間押圧して化粧板の上記ナラ柄印刷に沿ったエンボス部を加工した。 Accordingly then, placing the mold surface of the embossing plate formed by templating the grain pattern to irregularities from oak wood on the surface of the decorative paper, embossed along the oak pattern printing presses 20 minutes veneer at 120 ° C. parts were processed.

【0017】冷却後、ワイピングマシーンを使用してエンボス凹部のみを濃褐色ステインで着色し、乾燥後、減摩材としてホワイトアルミナを10重量%添加したウレタンクリア塗料を化粧紙の表面全面に塗布した。 [0017] After cooling, only the embossed depression colored with dark brown stain using wiping machine, dried, and coated with urethane clear paint with the addition of white alumina 10 wt% on the entire surface of the decorative paper as antifriction material . こうして得られた木目模様を有する木質化粧板は、エンボス部とステイン着色とによる導管孔を模した深くてシャープな凹部を有していて天然ナラ材にワイピング塗装を施した外観に酷似しており、床材としての性能もJASフローリング材規格のFタイプに合格するものであった。 Wood veneer having a grain pattern thus obtained is very similar to the appearance of the embossed portions and stain coloration and by conduit holes deeply imitates have sharp recess was subjected to wiping paint naturally oak wood , performance as a floor material also was to pass the F-type JAS flooring standards.

【0018】〔実施例2〕表裏面から0.5mm 厚さまでの表裏層部の平均比重が共に約1.0 である厚さが5mmの中比重繊維板を片面側から約2mm研削し、研削側の表層部 [0018] Example 2 was about 2mm grind the gravity fiber board from one side in the average specific gravity of the thickness both of about 1.0 of the front and back layer portions of the front and back surfaces to 0.5mm thickness is 5 mm, the surface layer of the grinding-side part
0.5mm 厚さの平均比重が0.7 である中比重繊維板を得た。 The average specific gravity of 0.5mm thickness was obtained density fiberboard in 0.7. この中比重繊維板2を厚さが9mmの中比重繊維板の表面に、その研削面が表面となるように接着剤で貼着して化粧台板を作製した。 On the surface of specific gravity fiberboard in this in thickness and density fiber board 2 is 9 mm, to prepare a vanity plate by sticking with an adhesive so that the ground surface is the surface. この化粧台板の表面に上記実施例1と同様の方法でナラ柄を印刷してなる化粧紙を貼着すると共にこの化粧紙にナラ柄に沿ったエンボス加工を施し、さらに、エンボス凹部のみを濃褐色ステインによって着色したのち、乾燥後、減摩材としてホワイトアルミナを10重量%添加したウレタンクリア塗料を化粧紙の表面全面に塗布した。 The embossed along oak pattern on the decorative paper with adhering the decorative paper obtained by printing the Nara pattern in the same manner as in Example 1 on the surface of the vanity plates, further, only the embossed depression after coloring by dark brown stain, dried, and coated with urethane clear paint with the addition of white alumina 10 wt% as anti-friction material on the entire surface of the decorative paper. こうして得られた化粧板は実施例1と同様に外観、性能ともに優れたものであった。 Thus obtained veneer appearance in the same manner as in Example 1, it was excellent in performance both.

【0019】〔比較例〕表裏面から0.5mm 厚さまでの表裏層部の平均比重が共に約0.9 である厚さが9mmの中比重繊維板の表面にエチレン酢酸ビニル接着剤を約65g/m 2 [0019] COMPARATIVE EXAMPLE about ethylene vinyl acetate adhesive on the surface of specific gravity fiberboard in the thickness average specific gravity of the front and back layer portions of the front and back surfaces to 0.5mm thickness of about 0.9 are both 9 mm 65 g / m 2
塗布し、105 ℃の乾燥機で20秒間風乾したのち、表面にナラ材の木目柄を印刷してなる23g/m 2の化粧紙をラミネータによって貼着した。 Coated, after-dried for 20 seconds air at a 105 ° C. oven, the decorative paper of 23 g / m 2 formed by printing the grain pattern of oak wood on the surface was adhered by a laminator. しかるのち、ナラ材から木目模様を凹凸に型取りしてなるエンボスプレートの型面を化粧紙の表面に載置し、120 ℃で20分間押圧して化粧板の上記ナラ柄印刷に沿ったエンボス部を加工した。 Accordingly then, placing the mold surface of the embossing plate formed by templating the grain pattern to irregularities from oak wood on the surface of the decorative paper, embossed along the oak pattern printing presses 20 minutes veneer at 120 ° C. parts were processed.

【0020】冷却後、ワイピングマシーンを使用してエンボス凹部のみを濃褐色ステインで着色し、乾燥後、減摩材としてホワイトアルミナを10重量%添加したウレタンクリア塗料を化粧紙の表面全面に塗布した。 [0020] After cooling, using a wiping machine colored only embossed depression in dark brown stain, dried, and coated with urethane clear paint with the addition of white alumina 10 wt% on the entire surface of the decorative paper as antifriction material . こうして得られた木目模様を有する木質化粧板は、エンボス時に凹部のエッジに化粧紙の破れが生じており、そのため、 Wood veneer having a grain pattern thus obtained is caused ruptures of decorative paper to the edge of the recess during the embossing, therefore,
得られた化粧板はJASフローリング材規格の耐水A試験を行うとエンボス部に割れが生じた。 The resulting decorative laminate is performed the water A test JAS flooring standards cracks in the embossed portion has occurred.

【0021】 [0021]

【発明の効果】以上のように本発明の木質化粧板の製造方法によれば、木質基板の表面に、表層側が低密度で裏層側が高密度に形成された厚さが3mm以下の中比重繊維板を、その高密度側の裏面を木質基板の表面に向けて積層接着することにより化粧台板を形成し、この化粧台板の表面に木目柄の印刷を設けてなる化粧紙を貼着したのちエンボス加工を施し、しかるのち、エンボス部にステイン着色を施すことを特徴とするものであるから、木質基板の表面に貼着した中比重繊維板の厚みが3mm以下であって極めて薄いので、木質基板が合板である場合には床材として使用した際における上向きに湾曲する所謂、 According to the production method of the wood veneer of the present invention as described above, according to the present invention, the surface of the wood substrate, in a thickness of the surface layer side backing layer side at low density is formed at a high density is less than 3mm gravity bonding the fiber plate, the back surface of the high-density side to the surface of the wood substrate a vanity plate formed by laminating adhesive, a decorative paper formed by providing the printing of wood grain pattern on the surface of the vanity plate embossing After, after accordingly, since it is characterized in applying a stain colored embossed portion, because the thickness of the specific gravity fiberboard in which adhered to the surface of the wood substrate very thin there less than 3mm , it called when the wood substrate is plywood which is curved upward in when used as flooring,
凹反りとなるのを軽減することができると共に、この中比重繊維板によってワゴンのキャスターによる摺動的な負荷やピアノの脚等からの局部荷重を受けても表面化粧層に凹みや傷が生じ難くなるのは勿論、中比重繊維板の低密度側を表面に向けてこの低密度層にエンボス加工を施すものであるから、エンボスの型面に対する低密度層の馴染性が良好で化粧紙が破損することなく深くてシャープなエンボスを付与することができる。 It is possible to reduce the the 凹反Ri, cause dents and scratches even surface decorative layer receives a local load from the legs or the like of the sliding dynamic loads and piano by wagon caster this in specific gravity fiberboard of course become hard, since the low-density side of the middle density fiberboard in which embossing to the lower density layer towards the surface, a good conformability of the low-density layer to the mold surface of the embossed decorative paper deeply without damaging it is possible to impart a sharp embossing.

【0022】さらに、エンボス部にステイン着色を施すので、天然木に酷似した導管柄を有する化粧板を製造し得ると共に、エンボス加工を化粧紙に印刷している木目柄に沿って設けておくことにより木目柄と導管柄とが調和し、化粧性に優れた美麗な天然木目調の木質化粧板を得ることができる。 Furthermore, since applying a stain colored embossed portion, that together can produce a decorative plate having a conduit pattern that closely resemble natural wood, preferably provided along the grain pattern that is printed embossed decorative paper the harmony and the grain pattern and the conduit pattern, you are possible to obtain a wood veneer of beautiful natural wood grain with excellent cosmetic properties. 又、化粧紙を破損させることなくエンボス加工を行うことができるので、化粧紙による優れた防水機能を付与することができる。 In addition, it is possible to perform embossing without damaging the decorative paper, it is possible to impart excellent waterproof function due to the decorative paper.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】化粧台板の一部の拡大簡略断面図、 FIG. 1 is an enlarged simplified cross-sectional view of a portion of the vanity plate,

【図2】製造した化粧板の一部の拡大簡略断面図。 [Figure 2] a portion of enlarged simplified cross-sectional view of the produced veneer.

【符号の説明】 DESCRIPTION OF SYMBOLS

1 木質基板 2 中比重繊維板 2a 低密度層 2b 高密度層 3 化粧紙 4 エンボス部 5 ステイン着色層 1 in wood substrate 2 density fiberboard 2a low-density layer 2b dense layer 3 decorative paper 4 embossed section 5 Stain colored layer

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl. 6識別記号 FI B32B 7/02 B32B 7/02 33/00 33/00 // B29K 105:12 ────────────────────────────────────────────────── ─── front page continued (51) Int.Cl 6 identifications FI B32B 7/02 B32B 7/02 33/00 33/00 // B29K 105:. 12

Claims (3)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 木質基板の表面に、表層側が低密度で裏層側が高密度に形成された厚さが3mm以下の中比重繊維板を、その高密度側の裏面を木質基板の表面に向けて積層接着することにより化粧台板を形成し、この化粧台板の表面に木目柄の印刷を設けてなる化粧紙を貼着したのちエンボス加工を施し、しかるのち、エンボス部にステイン着色を施すことを特徴とする木質化粧板の製造方法。 To 1. A wood surface of the substrate, the surface layer is low density backing layer side density fiberboard in a less than 3mm thick formed in a high density, directed to the rear surface of the high density side on the surface of the wood substrate the vanity plate formed by laminating adhesive Te, the surface of this decorative base plate formed by providing the printing of grain pattern decorative paper embossed After pasting a, after accordingly, applying stain colored embossed portion production method of the wood veneer, characterized in that.
  2. 【請求項2】 上記エンボス加工とステイン着色によって化粧紙の木目柄に沿った導管柄を形成することを特徴とする請求項1に記載の木質化粧板の製造方法。 2. A method for producing a woody decorative plate according to claim 1, characterized in that to form a decorative paper conduit pattern along the grain pattern of the above embossing and stain coloration.
  3. 【請求項3】 中比重繊維板の表層側における略0.5mm Approximately 0.5mm in the surface side of 3. Medium density fiberboard
    厚の繊維層部分の平均密度が0.5 〜0.75であることを特徴とする請求項1に記載の木質化粧板の製造方法。 Method for producing a woody decorative plate according to claim 1, the average density of the fiber layer portion of the thickness is equal to or is from 0.5 to 0.75.
JP10116156A 1998-04-09 1998-04-09 Production of woody decorative board Pending JPH11291203A (en)

Priority Applications (1)

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