JP3237284B2 - Manufacturing method of decorative paper - Google Patents
Manufacturing method of decorative paperInfo
- Publication number
- JP3237284B2 JP3237284B2 JP06386993A JP6386993A JP3237284B2 JP 3237284 B2 JP3237284 B2 JP 3237284B2 JP 06386993 A JP06386993 A JP 06386993A JP 6386993 A JP6386993 A JP 6386993A JP 3237284 B2 JP3237284 B2 JP 3237284B2
- Authority
- JP
- Japan
- Prior art keywords
- paper
- resin
- electron beam
- curable resin
- layer
- 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 - Fee Related
Links
Landscapes
- Paper (AREA)
- Laminated Bodies (AREA)
Description
【0001】[0001]
【産業上の利用分野】本発明は家具、住宅機器等に使用
する化粧板に用いる化粧紙の製造方法に関し、特に表面
の耐摩耗性などの耐久性に優れ、水平面にも使用できる
高級化粧板を得るための化粧紙を能率良く製造するため
の製造方法を提供するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for producing decorative paper used for decorative boards used for furniture, household equipment, etc., and more particularly, to a high-quality decorative board which has excellent durability such as abrasion resistance on the surface and can be used on a horizontal surface. It is intended to provide a production method for efficiently producing a decorative paper for obtaining the same.
【0002】[0002]
【従来の技術】従来、家具や住宅機器類等の水平面に使
用する化粧板は、チタン紙等の浸透性の優れた紙に印刷
を施した後、メラミン樹脂、ジアリルフタレート樹脂等
の熱硬化性樹脂を含浸させて作った樹脂含浸紙を、フェ
ノールコア紙やパーティクルボード等の基材に乗せ、鏡
面板を介して加熱圧締して製造していた。この方法によ
れば水平面用として必要な表面硬度や耐摩耗性を備えた
化粧板ができるが、反面生産効率が悪いため高価なもの
にならざるを得なかった。2. Description of the Related Art Conventionally, decorative boards used for horizontal surfaces such as furniture and home appliances are printed on paper having excellent permeability such as titanium paper and then cured with thermosetting resin such as melamine resin and diallyl phthalate resin. A resin-impregnated paper made by impregnating a resin is placed on a base material such as phenol core paper or particle board, and heated and pressed via a mirror plate to produce the paper. According to this method, a decorative plate having surface hardness and abrasion resistance required for a horizontal surface can be obtained, but on the other hand, it has to be expensive because of poor production efficiency.
【0003】コスト面を改善する為に、熱硬化性樹脂を
含浸せず表面から電子線硬化型樹脂を塗布して紙層に浸
透させ、強化する手段も種々検討されているが、次に示
す理由により満足なものが得られていない。すなわち表
面から塗布された樹脂は紙層に浸透するが浸透性を重視
して樹脂の粘度を下げると表面に残留する樹脂が減少す
るため化粧紙の表面仕上り感が悪くなり、逆に表面の仕
上り感を重視して樹脂の浸透を制限するために樹脂の粘
度を高くすると紙層への浸透が減少するため、紙層を強
化するという本来の目的が達成されない。In order to improve the cost, various means have been studied to apply an electron beam-curable resin from the surface without impregnating with a thermosetting resin, to penetrate the paper layer, and to strengthen it. Satisfaction has not been obtained for some reason. In other words, the resin applied from the surface penetrates into the paper layer, but if the viscosity of the resin is reduced with emphasis on permeability, the amount of resin remaining on the surface will decrease, so the surface finish of the decorative paper will deteriorate, and conversely, the surface finish If the viscosity of the resin is increased in order to limit the permeation of the resin with emphasis on the feeling, the permeation into the paper layer is reduced, so that the original purpose of strengthening the paper layer cannot be achieved.
【0004】また表面から塗布する樹脂を低粘度のもの
と高粘度のものとの2種類にするという方法では、先に
塗布した低粘度の樹脂が未乾燥の状態で高粘度の樹脂を
塗布すると高粘度の樹脂を塗布する段階で絵柄がぼけた
り、仕上りが均一にならない等の問題が生ずる。[0004] In addition, in the method of applying two types of resin, a low-viscosity resin and a high-viscosity resin, to be applied from the surface, a high-viscosity resin is applied while the previously applied low-viscosity resin is not dried. At the stage of applying the high-viscosity resin, there arise problems such as a blurred pattern and an uneven finish.
【0005】また先に塗布した樹脂をいったん硬化させ
てから後の樹脂を塗布する方法によれば仕上り感は良好
となる反面、1層目の樹脂が硬化して界面を形成してい
る為、2層目の樹脂が界面剥離を生ずるという問題が避
けられなかった。According to the method in which the previously applied resin is cured once and then the subsequent resin is applied, the finished feeling is good, but the first layer of resin is cured to form an interface. The problem that the resin of the second layer causes interfacial peeling was inevitable.
【0006】さらに電子線硬化型樹脂の配合材料によっ
ては、紙層の裏面に樹脂が裏抜けして硬化すると基材と
の接着が困難であるということもしばしば見られる。[0006] Further, depending on the compounding material of the electron beam-curable resin, it is often observed that if the resin penetrates and cures on the back surface of the paper layer, adhesion to the base material is difficult.
【0007】一方従来より主として家具の面材等に使用
される化粧板の製法で、いわゆるクイックステップ法に
よれば基材の表面に水性接着剤を塗布する一方、化粧紙
の裏面にも水性の接着剤を塗布して貼り合わせ、プレス
機で圧締して化粧板を製造することが行われているが、
現状では化粧紙の表面にウレタン樹脂等がコ−ティング
されている程度で、紙層の強化も不十分であり 水平面
用として必要な耐摩耗性や表面硬度を備えているとは言
い難い。On the other hand, conventionally, a method of manufacturing a decorative board mainly used for a facing material of furniture, etc., according to a so-called quick step method, in which an aqueous adhesive is applied to the surface of a base material, while an aqueous adhesive is applied to the back of decorative paper. Applying an adhesive, bonding, and pressing with a press machine to produce a decorative board,
At present, only the urethane resin or the like is coated on the surface of the decorative paper, the reinforcement of the paper layer is insufficient, and it cannot be said that the paper has the abrasion resistance and surface hardness required for horizontal surfaces.
【0008】[0008]
【発明が解決しようとする課題】本発明は、以上のよう
な問題点を解決するためになされたものであり、その課
題とするところは、水平面に使用可能な耐摩耗性や表面
硬度を具えた高級化粧板を極めて能率的にかつ安価に得
るために、表面性能に優れた化粧紙の製造方法を提供す
ることにある。SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a wear resistance and a surface hardness which can be used on a horizontal surface. The object of the present invention is to provide a method for producing decorative paper having excellent surface performance in order to obtain a high-quality decorative board extremely efficiently and at low cost.
【0009】[0009]
【課題を解決するための手段】本発明はこの課題を解決
するため、樹脂浸透性の優れた紙の片側の面に少量の電
子線硬化型樹脂を含有した印刷層を設け、もう片側の面
に少量の電子線硬化型樹脂を含有した裏面コート層を設
けた後、印刷層上に、電子線硬化型樹脂を塗布し、紙に
浸透させながら、電子線を照射することにより、電子線
硬化型樹脂を硬化させて得られることを特徴とする化粧
紙の製造方法を提供する。According to the present invention, a printing layer containing a small amount of an electron beam-curable resin is provided on one side of paper having excellent resin permeability, and the other side is provided. After providing a back coat layer containing a small amount of electron beam-curable resin, apply the electron beam-curable resin on the print layer and irradiate with electron beams while penetrating the paper to cure the electron beam. Provided is a method for producing decorative paper, which is obtained by curing a mold resin.
【0010】以下、本発明について詳細に説明する。樹
脂浸透性の良い紙としては、坪量50〜120g/m2
のチタン紙などの化粧紙用原紙が好適である。印刷する
面と裏面コートする面はどちらでもかまわないが、通常
は平滑な面に絵柄を印刷する方が印刷効果が優れ、好適
である。Hereinafter, the present invention will be described in detail. Paper having good resin permeability has a basis weight of 50 to 120 g / m 2.
Base paper for decorative paper such as titanium paper is preferred. Either the surface to be printed or the surface to be coated on the back side may be used, but it is generally preferable to print a pattern on a smooth surface because the printing effect is excellent.
【0011】印刷層の形成は、グラビア印刷法等の公知
の方法で印刷するが、インキのバインダーとしては、溶
剤型或いは水性型で熱乾燥する樹脂を主体とする。少量
の電子線硬化型樹脂を添加するにあたっては、熱乾燥で
連続印刷できる程度の添加量とする。The printing layer is formed by a known method such as a gravure printing method, and the binder of the ink is mainly a solvent-type or aqueous-type resin which is thermally dried. When adding a small amount of the electron beam-curable resin, the addition amount is set such that continuous printing can be performed by thermal drying.
【0012】裏面コート層は、印刷層と同様にグラビア
コート法等の公知の方法でコートする。樹脂としては、
紙層への電子線硬化型樹脂の浸透を止めること及び基材
と接着剤などを介して貼り合わせる場合の接着性が良い
ことを加味して、溶剤型或いは水性型で熱乾燥する樹脂
を選定する。少量の電子線硬化型樹脂を添加するにあた
っては、熱乾燥で連続コートできる程度の添加量とす
る。The back coat layer is coated by a known method such as a gravure coating method like the print layer. As resin,
In consideration of stopping the penetration of the electron beam-curable resin into the paper layer and having good adhesiveness when bonding with the base material via an adhesive, etc., select a resin that is heat-dried in a solvent type or aqueous type. I do. When adding a small amount of the electron beam-curable resin, the addition amount is such that it can be continuously coated by thermal drying.
【0013】印刷インキや裏面コートに添加する場合の
電子線硬化型樹脂としては、ウレタンアクリレート、ポ
リエステルアクリレート、エポキシアクリレート、等の
(メタ)アクリル酸エステルオリゴマー及びそれらのエ
マルジョン、単官能または多官能のモノマーなどの単体
や混合で適宜選択できる。The electron beam-curable resin when added to a printing ink or a back coat includes (meth) acrylate oligomers such as urethane acrylate, polyester acrylate, epoxy acrylate and the like, emulsions thereof, and monofunctional or polyfunctional monomers. It can be appropriately selected from a simple substance such as a monomer or a mixture.
【0014】印刷層上の電子線硬化型樹脂は、ロールコ
ート法・ナイフコート法等の公知の塗布方法で良い。本
発明で用いる電子線硬化型樹脂としては、特に限定はし
ないが、ウレタンアクリレート、ポリエステルアクリレ
ート、エポキシアクリレート、シリコンアクリレート等
の(メタ)アクリル酸エステルオリゴマー等に、単官能
または多官能のモノマー、スリップ剤・マット剤等の添
加剤を配合して粘度を数10〜数100cpsに調整し
たものが、紙層との浸透性等を考慮して好ましいもので
ある。The electron beam curable resin on the print layer may be applied by a known coating method such as a roll coating method and a knife coating method. The electron beam-curable resin used in the present invention is not particularly limited, but may be a monofunctional or polyfunctional monomer, a slip or the like, on a (meth) acrylate oligomer such as urethane acrylate, polyester acrylate, epoxy acrylate, or silicon acrylate. It is preferable that the viscosity is adjusted to several tens to several hundreds cps by blending additives such as an agent and a matting agent in consideration of the permeability with the paper layer.
【0015】電子線の照射のついては、電子線の加速電
圧は200〜250Kv、照射量は3〜5Mrad程度
が良い。この処理により、層間の強度や表面の強度が優
れた化粧紙が得られる。通常この処理は50〜150m
/分のライン速度で可能であるから極めて生産効率が高
い。Regarding the irradiation of the electron beam, the acceleration voltage of the electron beam is preferably 200 to 250 Kv, and the irradiation amount is preferably about 3 to 5 Mrad. By this treatment, decorative paper having excellent interlayer strength and surface strength can be obtained. Usually this process is 50-150m
/ Min line speed is possible, resulting in extremely high production efficiency.
【0016】電子線の照射は、電子線硬化型樹脂の塗布
側から照射するのが通常であるが、電子線硬化型樹脂の
塗布面を表面の平滑な金属ロールに圧着して紙の裏面側
より電子線を照射して硬化させることにより、鏡面板を
介した熱硬化性樹脂化粧板のような鏡面を効率よく得る
ことができる。Irradiation of the electron beam is usually performed from the side coated with the electron beam-curable resin, but the surface coated with the electron beam-curable resin is pressed against a metal roll having a smooth surface to press the back side of the paper. By irradiating with more electron beams and curing, a mirror surface such as a thermosetting resin decorative plate through a mirror plate can be efficiently obtained.
【0017】また、平滑な金属ロールの代わりに、微細
な凹凸形状の金属ロールを使用することにより、均一な
艶消し面の化粧紙を効率よく得ることができるし、柄模
様で凹凸を形成した金属ロールを使用することにより、
シャープな凹凸の柄模様が形成された化粧紙を得ること
ができる。Further, by using a metal roll having fine irregularities instead of a smooth metal roll, decorative paper having a uniform matte surface can be efficiently obtained, and irregularities are formed in a pattern. By using a metal roll,
It is possible to obtain a decorative paper on which a sharp uneven pattern is formed.
【0018】[0018]
【作用】以上に示したように、本発明により、電子線硬
化型樹脂は比較的低粘度で紙に浸透するが、裏面コート
層があるために、紙層に必要以上に浸透せずに、表面に
残留させることができる。As described above, according to the present invention, the electron beam-curable resin penetrates the paper with a relatively low viscosity, but because of the back coat layer, does not penetrate the paper layer more than necessary. Can be left on the surface.
【0019】また、印刷・裏面コートは連続印刷や連続
コートができるように乾燥させているのみであり、電子
線は表面の電子線硬化型樹脂を塗布した後に照射して最
終段階で硬化させるので、一体化したラインで生産が可
能であり、また、各層に含まれる少量の電子線硬化型樹
脂と電子線硬化型樹脂の層は一体化して硬化する。Further, the printing / backside coating is only dried so that continuous printing and continuous coating can be performed. Since the electron beam is irradiated with the electron beam curable resin on the front side after application, it is cured at the final stage. The production can be performed by an integrated line, and a small amount of the electron beam-curable resin and the layer of the electron beam-curable resin contained in each layer are integrated and cured.
【0020】[0020]
【実施例】樹脂浸透性の優れた紙として坪量80g/m
2 の白色化粧紙用原紙を用い、裏面コートとして紙の裏
面側にアクリル樹脂30重量部、2官能モノマー5重量
部、水65重量部からなるものを用い、これを乾燥後3
g/m2 となるように塗布した。次に、紙の表面側に、
印刷層のインクとしてアクリル樹脂15〜30重量部、
着色顔料5〜30重量部、2官能モノマー3〜12重量
部、全体を100重量部として残りを水(割合は色によ
って異なる)からなるものを用い、これで石目調絵柄を
印刷し、熱乾燥した。続いて、粘度200cpsに調整
した電子線硬化型樹脂(ダイセルユーシービー(株)製
「エベクリル810」70重量部/3官能モノマー28
重量部/スリップ剤2重量部)を60g/m2 塗布し、
塗布面を表面に石目調の凹凸形状を形成した金属ロール
に圧着し、紙の裏面側から、電子線照射装置にて、加速
電圧250Kv、5Mradの電子線を照射して電子線
硬化型樹脂を硬化させて、化粧紙を得た。Example: 80 g / m2 basis weight as paper with excellent resin permeability
Using white base paper for decorative paper of No. 2 , a back coat consisting of 30 parts by weight of an acrylic resin on the back side of the paper, 5 parts by weight of a bifunctional monomer, and 65 parts by weight of water was used.
g / m 2 . Next, on the front side of the paper,
15-30 parts by weight of acrylic resin as ink for printing layer,
5 to 30 parts by weight of a coloring pigment, 3 to 12 parts by weight of a bifunctional monomer, 100 parts by weight of the whole, and the rest made of water (the ratio varies depending on the color), and a stone-like pattern is printed using this. Dried. Subsequently, an electron beam curable resin adjusted to a viscosity of 200 cps (70 parts by weight of “Evecryl 810” manufactured by Daicel UCB Co., Ltd./3 trifunctional monomer 28)
(Parts by weight / 2 parts by weight of slip agent) is applied at 60 g / m 2 ,
The coated surface is pressed against a metal roll having a stone-like unevenness formed on the surface, and an electron beam is irradiated from the back side of the paper by an electron beam irradiation device at an acceleration voltage of 250 Kv and 5 Mrad to cure the electron beam. Was cured to obtain a decorative paper.
【0021】これを尿素・酢酸ビニル系の接着剤にてパ
ーチクルボードと貼り合わせて化粧板にしたところ、石
目調の凹凸形状・印刷絵柄により極めて外観が優れ、層
間強度や表面強度に非常に優れ(摩耗試験JAS・B試
験合格)、水平面でも充分に使用できる性能の化粧板が
得られた。When this was bonded to a particle board with a urea / vinyl acetate adhesive to form a decorative board, the appearance was extremely excellent due to the stone-like uneven shape and printed pattern, and the interlayer strength and surface strength were very excellent. (Abrasion test JAS B test passed), and a decorative board with sufficient performance even on a horizontal surface was obtained.
【0022】[0022]
【発明の効果】化粧紙の表面は、表面保護の電子線硬化
型樹脂層が印刷紙の紙層の下部までよく浸透し紙間を強
化する一方、紙層の下部で裏面コート層と接するため
に、必要以上に浸透しないので表面の樹脂量が確保さ
れ、表面の仕上がり外観に優れる。化粧紙の裏面には電
子線硬化型樹脂が裏抜けしていないため、接着剤による
基材との接着性に優れる。According to the present invention, the surface of the decorative paper has an electron beam-curable resin layer for protecting the surface, which penetrates well to the lower part of the paper layer of the printing paper and strengthens the space between the papers, while the lower part of the paper layer contacts the back coat layer. In addition, since the resin does not penetrate more than necessary, the amount of resin on the surface is secured, and the finished appearance of the surface is excellent. Since the electron beam curable resin does not strike through on the back surface of the decorative paper, the adhesiveness to the base material by the adhesive is excellent.
【0023】またこれらの電子線硬化型樹脂は、ただ一
度の電子線照射のみにより、硬化して一体となるため化
粧紙層のどこをとっても弱い層がなく、極めて強度の高
い化粧紙を製造でき、生産効率も非常に高い。印刷と同
時に1工程で生産することも容易である。Further, these electron beam-curable resins are cured and integrated by only one irradiation of the electron beam, so that there is no weak layer anywhere in the decorative paper layer, and decorative paper having extremely high strength can be manufactured. , The production efficiency is also very high. It is easy to produce in one step at the same time as printing.
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7,DB名) D21H 11/00 - 27/42 B32B 1/00 - 35/00 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. 7 , DB name) D21H 11/00-27/42 B32B 1/00-35/00
Claims (1)
電子線硬化型樹脂を含有した印刷層を設け、もう片側の
面に少量の電子線硬化型樹脂を含有した裏面コート層を
設けた後、印刷層上に、電子線硬化型樹脂を塗布し、紙
に浸透させながら、電子線を照射することにより、電子
線硬化型樹脂を硬化させて得られることを特徴とする化
粧紙の製造方法。1. A back coat layer comprising a printed layer containing a small amount of an electron beam-curable resin on one side of paper having excellent resin permeability and a small amount of an electron beam-curable resin on the other side. Is provided by applying an electron beam-curable resin on the print layer and irradiating the paper with an electron beam while penetrating the paper, thereby curing the electron beam-curable resin. Paper manufacturing method.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP06386993A JP3237284B2 (en) | 1993-03-23 | 1993-03-23 | Manufacturing method of decorative paper |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP06386993A JP3237284B2 (en) | 1993-03-23 | 1993-03-23 | Manufacturing method of decorative paper |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH06272192A JPH06272192A (en) | 1994-09-27 |
JP3237284B2 true JP3237284B2 (en) | 2001-12-10 |
Family
ID=13241743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP06386993A Expired - Fee Related JP3237284B2 (en) | 1993-03-23 | 1993-03-23 | Manufacturing method of decorative paper |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3237284B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101382136B (en) * | 2007-09-05 | 2012-07-18 | 蜗卷技术公司 | Scroll compressor with tapered slider block |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4772385B2 (en) * | 2005-06-06 | 2011-09-14 | 株式会社千代田グラビヤ | Method for producing impregnated paper |
-
1993
- 1993-03-23 JP JP06386993A patent/JP3237284B2/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101382136B (en) * | 2007-09-05 | 2012-07-18 | 蜗卷技术公司 | Scroll compressor with tapered slider block |
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Publication number | Publication date |
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JPH06272192A (en) | 1994-09-27 |
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