JPH025161B2 - - Google Patents

Info

Publication number
JPH025161B2
JPH025161B2 JP16509981A JP16509981A JPH025161B2 JP H025161 B2 JPH025161 B2 JP H025161B2 JP 16509981 A JP16509981 A JP 16509981A JP 16509981 A JP16509981 A JP 16509981A JP H025161 B2 JPH025161 B2 JP H025161B2
Authority
JP
Japan
Prior art keywords
veneer
color
wood
layer
dyed
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
Application number
JP16509981A
Other languages
Japanese (ja)
Other versions
JPS5865602A (en
Inventor
Kyoomi Fujita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP16509981A priority Critical patent/JPS5865602A/en
Publication of JPS5865602A publication Critical patent/JPS5865602A/en
Publication of JPH025161B2 publication Critical patent/JPH025161B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Finished Plywoods (AREA)
  • Manufacture Of Wood Veneers (AREA)

Description

【発明の詳細な説明】 この発明は化粧単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 decorative veneers.

複数枚の素材単板を接着剤を介して積層・圧締
接着し集成フリツチを得、この集成フリツチをそ
の積層面と交差する方向よりスライスして各素材
単板の切断面で天然木目柄を表現した集成化粧単
板を製造する方法にあつては、再現される木目柄
に春材部と夏材部の色彩を付与するのに、春材色
に染色処理した木質素材単板と夏材色に着色した
紙とを組み合わせて集成フリツチ化し、前記木質
素材単板と紙の切断面で春材部と夏材部を表現し
たり、染色処理した木質素材単板を着色接着剤を
介して積層・圧締接着することにより集成フリツ
チを得て、前記木質素材単板と着色接着剤の切断
面で春材部と夏材部を表現するといつた方法が従
来より採用されている。
Multiple pieces of material veneer are laminated and pressure-bonded using adhesive to obtain a composite fritchi, and this composite fritchi is sliced in the direction intersecting the laminated surface to create a natural wood grain pattern on the cut surface of each material veneer. In the method of manufacturing the expressed laminated decorative veneer, a wood veneer dyed to the color of spring wood and a summer wood veneer are used to give the reproduced wood grain pattern the colors of spring wood and summer wood. You can create a composite fritsch by combining colored paper and express the spring wood and summer wood with the cut surfaces of the wood veneer and paper, or use the dyed wood veneer with colored adhesive to express the spring wood and summer wood. Conventionally, a method has been adopted in which a composite fritsch is obtained by laminating and press-bonding, and the spring wood portion and summer wood portion are expressed by the cut surfaces of the wood veneer and colored adhesive.

ところが、前記木質素材単板を原木よりスライ
ス加工して得るさいに生じる裏割れ(ナイフのす
くい面に接する面側に発生する切削割れでロータ
リー単板の場合には発出率が高い)のために、前
記木質素材単板と紙を組み合せて集成化粧単板と
する例では、木質素材単板の裏割れ部に紙がくい
込んで再現される木目柄が不鮮明になるという欠
点を有する。また、このように、木質素材単板と
素材の異なる紙を組み合わせる方法では、得られ
た化粧単板の乾操処理や樹脂含浸を行なうWPC
化処理などに伴ない、素材間の膨縮率の差が原因
して内層に歪みが生じ材質劣化をもたらし、割れ
や欠けが生じやすくなつたり取り扱いを慎重にし
なければならないなどの問題点も有する。
However, due to back cracks (cutting cracks that occur on the side that comes into contact with the rake surface of the knife, and the occurrence rate is high in the case of rotary veneers) that occurs when the wood veneer is obtained by slicing from raw wood. In the example of combining the wooden material veneer and paper to form a laminated decorative veneer, there is a drawback that the paper gets stuck in the cracks on the back of the wood material veneer, making the reproduced wood grain pattern unclear. In addition, in this method of combining wood veneer and paper made of different materials, WPC is used to perform drying treatment and resin impregnation of the resulting decorative veneer.
As a result of chemical processing, the inner layer is distorted due to the difference in expansion/contraction rate between the materials, leading to material deterioration, leading to problems such as cracking and chipping, and the need for careful handling. .

一方、木質素材単板と着色接着剤とで春材部、
夏材部を表現する方法の場合にも、木質素材単板
における裏割れの存在は、この裏割れに前記着色
接着剤が浸透して再現される木目柄を不鮮明にす
るという同様の問題をもたらす。また、このよう
にして得られた集成化粧単板をWPC化処理して
台板上に貼着し化粧合板を製造する場合は、台板
上に着色接着剤を塗布して台板の地色が化粧単板
に映らないように工夫されるが、この台板地隠ぺ
い用の着色接着剤の色を褐色系とすると、WPC
化処理によつて透光性を付与された化粧単板を透
過して接着剤の褐色が表面に映り、化粧単板に表
現された木目柄がこの褐色に紛れて不鮮明になつ
てしまう。これを避けるために、前記台板地穏ぺ
い用の着色接着剤として白色系のものを採用した
場合には、木目柄を鮮明にすることはできるが、
このようにして得られた化粧合板を縁甲板などに
応用したとき、その板そばの面取り部に前記着色
接着剤が白く露出して、施工後、縁甲板の突合せ
部が白い線状を呈し、仕上外観を悪くするなどの
不都合を有し、このような白色系着色接着剤の採
用は好ましくない。
On the other hand, the spring material part is made of wooden material veneer and colored adhesive,
In the case of the method of expressing the summer wood part, the presence of back cracks in the wood veneer brings about a similar problem in that the colored adhesive penetrates into the back cracks and makes the reproduced wood grain pattern unclear. . In addition, when manufacturing decorative plywood by treating the laminated decorative veneer obtained in this way to WPC and pasting it on a base plate, it is possible to apply a colored adhesive on the base plate to make the background color of the base plate. However, if the color of the colored adhesive used to hide the base board is brown, the WPC
The brown color of the adhesive is reflected on the surface of the decorative veneer, which has been given translucency by the chemical treatment, and the wood grain pattern expressed on the decorative veneer gets lost in the brown color and becomes unclear. In order to avoid this, if a white colored adhesive is used to soften the base plate, the wood grain pattern can be made clearer, but
When the decorative plywood obtained in this way is applied to an edge deck etc., the colored adhesive is exposed in white on the chamfered part near the board, and after construction, the butt part of the edge deck has a white linear shape, It is not preferable to use such a white colored adhesive as it has disadvantages such as poor finished appearance.

したがつて、この発明の目的は、再現される木
目柄が木質素材単板の裏割れによつて不鮮明にな
るのを防止でき、化粧合板への応用においても木
目柄が不鮮明になることのない化粧単板の製造方
法を提供することである。
Therefore, an object of the present invention is to prevent the reproduced wood grain pattern from becoming unclear due to cracks in the back of the wood veneer, and to prevent the wood grain pattern from becoming unclear even when applied to decorative plywood. An object of the present invention is to provide a method for manufacturing a decorative veneer.

この発明の一実施例を第1図AないしGに示
す。すなわち、この化粧単板の製造方法は、つぎ
の工程手順により柾目柄を有する集成化粧単板を
得るものである。
An embodiment of the invention is shown in FIGS. 1A to 1G. That is, in this method of manufacturing a decorative veneer, a laminated decorative veneer having a straight grain pattern is obtained through the following steps.

(1) アガチス材からなる木質素材単板1(ロータ
リー単板)を脱脂、脱色処理したあと、春材色
の染色浴2で染色して春材色染色単板3を得る
(第1図A,B)。
(1) After degreasing and decolorizing a wood material veneer 1 (rotary veneer) made of agathis wood, it is dyed in a spring wood color dyeing bath 2 to obtain a spring wood color dyed veneer 3 (Fig. 1A , B).

(2) 前記春材色染色単板の裏割れ表出面側に次の
配合比 KU7091(コニシ社製):50部 UP1005(住友ベークライト社製):50部 の無色ウレタン系接着剤を塗布し、その塗布面
に離型シートを敷設したのちプレス硬化させ、
裏割れシール層4を形成する(同図C)。
(2) Apply a colorless urethane adhesive with the following compounding ratio of KU7091 (manufactured by Konishi Co., Ltd.): 50 parts UP1005 (manufactured by Sumitomo Bakelite Co., Ltd.): 50 parts to the back cracked surface side of the spring wood color-dyed veneer, After laying a release sheet on the coated surface, press harden it,
A back crack sealing layer 4 is formed (C in the same figure).

(3) 前記裏割れシール層4を形成した春材色染色
単板3の非シール面、すなわち裏割れ表出面の
背面側に春材色に調整した着色接着剤5(前記
ウレタン系接着剤に褐色系着色用インク4.5部
を配合したもの)を塗布し(同図D)、この春
材色染色単板3の複数枚を前記着色接着剤5の
塗布面が上または下に揃うように積層して平型
プレス6で圧締接着し集成フリツチ7を得る
(同図E)。
(3) A colored adhesive 5 adjusted to the color of spring wood (on the urethane adhesive) is applied to the non-sealing surface of the spring wood color-dyed veneer 3 on which the back crack sealing layer 4 is formed, that is, on the back side of the surface where the back crack is exposed. A mixture containing 4.5 parts of brown coloring ink) is applied (D in the same figure), and a plurality of spring wood color-dyed veneers 3 are laminated so that the surfaces coated with the colored adhesive 5 are aligned upward or downward. Then, the assembled fritches 7 are obtained by pressing and adhering them using a flat press 6 (see E in the same figure).

(4) 前記集成フリツチ7をその積層面と交差する
方向よりスライスして、前記春材色染色単板3
の切断面からなる春材部と着色接着剤5の切断
面からなる夏材部とが交互する柾目柄を材面に
表現した集成化粧単板8を得る(同図F,G)。
(4) Slice the laminated fritsch 7 in a direction intersecting the laminated surface thereof and dye the spring wood color veneer 3.
A laminated decorative veneer 8 is obtained in which a straight-grain pattern is expressed on the material surface in which spring wood portions consisting of the cut surfaces of and summer wood portions consisting of the cut surfaces of the colored adhesive 5 alternate.

このように、春材色染色単板の裏割れ表出面側
に無色ウレタン系接着剤を塗布硬化して裏割れシ
ール層4を形成したあと、着色接着剤5を介して
集成フリツチ7化するようにしたため、春材色染
色単板3の裏割れ部への着色接着剤5の浸透を防
止でき、集成化粧単板8に再現される柾目柄にお
いて着色接着剤5で表現される春材部の木目が鮮
明になり、松、杉など針葉樹にみられるシヤープ
な木目柄を容易に再現することができる。
In this way, a colorless urethane adhesive is applied and cured to the back crack surface side of the spring wood color-dyed veneer to form the back crack sealing layer 4, and then the assembled fritches 7 are formed via the colored adhesive 5. Therefore, it is possible to prevent the colored adhesive 5 from penetrating into the cracks on the back of the spring wood colored veneer 3, and to prevent the colored adhesive 5 from penetrating the spring wood part expressed by the colored adhesive 5 in the straight grain pattern reproduced on the laminated decorative veneer 8. The wood grain becomes clearer, and the sharp wood grain patterns found in coniferous trees such as pine and cedar can be easily reproduced.

この発明の実施例を第2図AないしGに示す。
すなわち、この化粧単板の製造方法は、次の工程
手順により柾目柄の集成化粧単板を得るものであ
る。
An embodiment of the invention is shown in FIGS. 2A-G.
That is, in this decorative veneer manufacturing method, a straight-grained laminated decorative veneer is obtained through the following steps.

(1) アガチス材からなる木質素材単板1′(ロー
タリー単板)を脱脂、脱色処理したあと、夏材
色(濃褐色)の染色浴2′で染色して夏材色染
色単板3′を得る(第2図A,B)。
(1) After degreasing and decolorizing the wood material veneer 1' (rotary veneer) made of agathis wood, it is dyed with summer wood color (dark brown) dyeing bath 2', and summer wood color dyed veneer 3' (Fig. 2 A, B).

(2) 前記夏材色染色単板3′の裏割れ表出面側に、
前記実施例と同様の無色ウレタン系接着剤を塗
布して裏割れシール層4′を形成する(同図
C)。
(2) On the back cracked surface side of the summer wood color dyed veneer 3',
A colorless urethane adhesive similar to that of the previous embodiment is applied to form a back crack sealing layer 4' (FIG. 4C).

(3) この夏材色染色単板3′の非シール面、すな
わち裏割れ表出面の背面側に、次のような色調
調整用インク Dicton6174(大日本インキ社製) Dicton6162(大日本インキ社製) などと合わせて酸化チタンなどの体質顔料
(0.5〜1%)を配合して春材色に調整した着色
接着剤5′を塗布し(同図D)、前記実施例と同
様に着色接着剤5′を介して前記夏材色染色単
板3′の複数枚を平型プレス6′で積層・圧締接
着し集成フリツチ7′を得る(同図E)。
(3) Apply the following color tone adjustment inks Dicton 6174 (manufactured by Dainippon Ink Co., Ltd.) and Dicton 6162 (manufactured by Dainippon Ink Co., Ltd.) to the non-sealing surface of this summer wood color dyed veneer 3', that is, the back side of the back cracked surface. ) and the like, and apply a colored adhesive 5' adjusted to the color of spring wood by blending an extender pigment (0.5 to 1%) such as titanium oxide (D in the same figure). A plurality of pieces of the summer wood color dyed veneer 3' are laminated and bonded together using a flat press 6' via the veneer 5' to obtain an assembled fritsch 7' (FIG. 5E).

(4) 以下は、前記実施例と同様に前記集成フリツ
チ7′をその積層面と交差する方向よりスライ
スして、前記着色接着剤5′の切断面からなる
春材部と夏材色染色単板3′の切断面からなる
夏材部とが交互する柾目柄を材面に表現した集
成化粧単板8′を得る(同図F,G) このように、春材部に対して色調の濃い夏材部
を表現するのに木質素材単板1′を用いる一方、
春材色を表現するのに体質顔料を配合した春材色
着色接着剤5′を用いたため、得られる集成化粧
単板8′をWPC化処理して、第3図A,B,Cに
示すように台板9上に貼着する化粧合板の製造に
応用した場合、WPC化処理に付帯して集成化粧
単板8′に生じる透光性を、着色接着剤5′で構成
される春材部については配合される体質顔料によ
つて低下させることができ、台板地の隠ぺいを兼
ねて集成化粧単板8′の台板9への貼着を褐色に
着色した接着剤10で行なつた場合にも、木質素
材単板1′で構成される透光性の高い夏材部と前
記着色接着剤10は同一系色であり、また春材部
は前記のとおり透光性が低く着色接着剤10の色
を表面に透過しないので、このように化粧合板1
1に応用した場合にも木目柄を鮮明に表現するこ
とができる。
(4) In the following, the assembled fritch 7' is sliced in the direction intersecting the laminated surface, and a spring wood portion and a summer wood colored dyeing unit are formed by slicing the assembled fritch 7' in the direction intersecting the laminated surface, as in the above embodiment. A laminated decorative veneer 8' is obtained which expresses a straight-grained pattern on the wood surface in which the summer wood parts consisting of the cut surface of the board 3' are alternated (F, G in the same figure). While using wood veneer 1' to express the dark summer wood,
Since a spring wood coloring adhesive 5' containing extender pigments was used to express the spring wood color, the resulting laminated decorative veneer 8' was treated with WPC, as shown in Figure 3 A, B, and C. When applied to the manufacture of decorative plywood to be adhered onto the base plate 9 as shown in FIG. This can be lowered by the extender pigment added, and the adhesive 10 colored brown is used to attach the laminated decorative veneer 8' to the base plate 9, which also serves to hide the base plate base. Even in this case, the summer wood part with high translucency and the colored adhesive 10 made of wood veneer 1' are of the same color, and the spring wood part has low translucency and is colored as described above. Since the color of adhesive 10 does not pass through the surface, decorative plywood 1 is
Even when applied to 1, the wood grain pattern can be clearly expressed.

裏割れシール層4′の存在により、集成フリツ
チ化の段階で着色接着剤5′が夏材色染色単板
3′の裏割れ部に浸透するのを防止し、それによ
つて再現される木目柄が鮮明になる効果について
は前記実施例と同様である。
The presence of the back crack sealing layer 4' prevents the colored adhesive 5' from penetrating into the back cracks of the summerwood color-dyed veneer 3' during the laminated fritification stage, thereby improving the reproduced wood grain pattern. The effect of sharpening is the same as in the previous embodiment.

以上のように、この発明の化粧単板の製造方法
は、木質素材単板を第1年輪半層部色に染色して
染色単板を得る単板染色工程と、前記染色単板の
裏割れ表出面側に無色接着剤を塗布硬化して裏割
れシール層を形成するシール層形成工程と、前記
裏割れシール層を形成した複数枚の染色単板をそ
の裏割れ非表出面側に塗布した第2年輪半層部色
着色接着剤を介して積層・圧締接着し集成フリツ
チを得る集成フリツチ形成工程と、前記集成フリ
ツチをその積層面と交差する所定方向よりスライ
スするスライス工程とを含むものであるため、裏
割れシール層の存在により集成フリツチ化のさい
に染色単板の裏割れ部への着色接着剤の浸透が防
止され、再現される木目柄を鮮明なものとするこ
とができ、針葉樹などにみられるシヤープな木目
柄を容易に表現することができる。
As described above, the method for manufacturing a decorative veneer of the present invention includes a veneer dyeing process for obtaining a dyed veneer by dyeing a wood veneer in the color of the first annual ring half layer, and a cracking process on the back of the dyed veneer. A sealing layer forming step in which a colorless adhesive is applied to the exposed surface side and cured to form a cracked back sealing layer, and a plurality of dyed veneers on which the cracked back sealing layer has been formed are applied to the non-exposed side of the cracked back. This method includes a step of forming a fritch by laminating and pressing the second annual ring half layer using a colored adhesive to obtain a fritch, and a slicing step of slicing the fritch in a predetermined direction intersecting the laminated surface thereof. Therefore, the presence of the back crack sealing layer prevents the colored adhesive from penetrating into the back cracks of the dyed veneer during laminated fritching, making it possible to reproduce clear wood grain patterns. The sharp wood grain pattern seen in can be easily expressed.

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

第1図AないしGはこの発明の一実施例を示す
工程説明図、第2図AないしGはこの他の実施例
を示す説明図、第3図AないしCは化粧合板の製
造工程を示す説明図である。 1,1′……木質素材単板、2,2′……染色
浴、3……春材色染色単板、3′……夏材色染色
単板、4,4′……裏割れシール層、5,5′……
着色接着剤、6,6′……平型プレス、7,7′…
…集成フリツチ、8,8′……集成化粧単板。
Figures 1 A to G are process explanatory diagrams showing one embodiment of the present invention, Figures 2 A to G are explanatory diagrams showing other embodiments, and Figures 3 A to C are process diagrams showing the manufacturing process of decorative plywood. It is an explanatory diagram. 1,1'...Wood material veneer, 2,2'...Dyeing bath, 3...Spring wood color dyed veneer, 3'...Summer wood color dyed veneer, 4,4'...Back crack sticker Layer, 5, 5'...
Colored adhesive, 6,6'...Flat press, 7,7'...
...Laminated fritsch, 8,8'...Laminated decorative veneer.

Claims (1)

【特許請求の範囲】 1 木質素材単板を第1年輪半層部色に染色して
染色単板を得る単板染色工程と、前記染色単板の
裏割れ表出面側に無色接着剤を塗布硬化して裏割
れシール層を形成するシール層形成工程と、前記
裏割れシール層を形成した複数枚の染色単板をそ
の裏割れ非表出面側に塗布した第2年輪半層部色
着色接着剤を介して積層・圧締接着し集成フリツ
チを得る集成フリツチ形成工程と、前記集成フリ
ツチをその積層面と交差する所定方向よりスライ
スするスライス工程とを含む化粧単板の製造方
法。 2 前記第1年輪半層部色および第2年輪半層部
色はそれぞれ春材色および夏材色であり、前記集
成フリツチ形成工程は、裏割れシール層を形成し
た複数枚の春材色染色単板をその裏割れ非表出面
側に塗布した夏材色着色接着材を介して積層・圧
締接着するものである特許請求の範囲第1項記載
の化粧単板の製造方法。 3 前記第1年輪半層部色および第2年輪半層部
色はそれぞれ夏材色および春材色であり、前記集
成フリツチ形成工程は、体質顔料を混入した春材
色着色接着剤を裏割れシール層を形成した夏材色
染色単板の裏割れ非表出面側に塗布し、前記春材
色着色接着剤を介して前記夏材色染色単板の複数
枚を積層・圧締接着するものである特許請求の範
囲第1項記載の化粧単板の製造方法。
[Scope of Claims] 1. A veneer dyeing process for obtaining a dyed veneer by dyeing a wood veneer in the color of the first annual ring half layer, and applying a colorless adhesive to the surface of the dyed veneer where the back crack is exposed. A sealing layer forming step of curing to form a cracked back sealing layer, and colored adhesion of the second annual ring half-layer portion in which the plurality of dyed veneers on which the cracked back sealing layer is formed are applied to the side where the cracked back is not exposed. A method for manufacturing a decorative veneer, comprising: a step of forming a fritch assembly by laminating and press-bonding it through an adhesive, and a slicing step of slicing the fritch assembly from a predetermined direction intersecting the laminated surface thereof. 2. The first annual ring half layer color and the second annual ring half layer color are spring wood color and summer wood color, respectively, and the assembled fritsch forming step includes dyeing a plurality of sheets of spring wood color with a back crack seal layer formed thereon. 2. The method for producing a decorative veneer according to claim 1, wherein the veneers are laminated and pressure-bonded via a summer wood colored adhesive applied to the non-exposed surface of the veneer. 3 The color of the first annual ring half-layer part and the second annual ring half-layer part color are summer wood color and spring wood color, respectively, and the above-mentioned composite fritsch forming step is performed by applying a spring wood coloring colored adhesive mixed with an extender pigment to the back side. A sealing layer is applied to the back cracked non-exposed side of the summerwood color-dyed veneer, and a plurality of sheets of the summerwood color-dyed veneer are laminated and pressure-bonded via the springwood coloring adhesive. A method for manufacturing a decorative veneer according to claim 1.
JP16509981A 1981-10-15 1981-10-15 Manufacture of decorative veneer Granted JPS5865602A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16509981A JPS5865602A (en) 1981-10-15 1981-10-15 Manufacture of decorative veneer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16509981A JPS5865602A (en) 1981-10-15 1981-10-15 Manufacture of decorative veneer

Publications (2)

Publication Number Publication Date
JPS5865602A JPS5865602A (en) 1983-04-19
JPH025161B2 true JPH025161B2 (en) 1990-01-31

Family

ID=15805865

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16509981A Granted JPS5865602A (en) 1981-10-15 1981-10-15 Manufacture of decorative veneer

Country Status (1)

Country Link
JP (1) JPS5865602A (en)

Also Published As

Publication number Publication date
JPS5865602A (en) 1983-04-19

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