JPH0647873A - Production of decorative paper - Google Patents
Production of decorative paperInfo
- Publication number
- JPH0647873A JPH0647873A JP4203631A JP20363192A JPH0647873A JP H0647873 A JPH0647873 A JP H0647873A JP 4203631 A JP4203631 A JP 4203631A JP 20363192 A JP20363192 A JP 20363192A JP H0647873 A JPH0647873 A JP H0647873A
- Authority
- JP
- Japan
- Prior art keywords
- electron beam
- paper
- viscosity
- beam curable
- several
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/0045—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using protective coatings or film forming compositions cured by mechanical wave energy, e.g. ultrasonics, cured by electromagnetic radiation or waves, e.g. ultraviolet radiation, electron beams, or cured by magnetic or electric fields, e.g. electric discharge, plasma
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/0081—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using electromagnetic radiation or waves, e.g. ultraviolet radiation, electron beams
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Laminated Bodies (AREA)
- Paper (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
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
する化粧板に使用する化粧紙の製造方法に関し、特に表
面硬度が高く、耐久性に優れた高級化粧板を安価に能率
良く製造する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 a decorative paper used for a decorative board used for furniture, housing equipment, etc., and particularly, a high-quality decorative board having a high surface hardness and excellent durability, can be manufactured efficiently at low cost. It provides a way to do it.
【０００２】[0002]
【従来の技術】従来の家具や住宅機器類の水平面に使用
する化粧紙は、チタン紙等の浸透性の良い原紙に印刷を
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
板を介して加熱圧縮して製造していた。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 Decorative paper used for horizontal surfaces of conventional furniture and household appliances is printed on a highly permeable base paper such as titanium paper, and then thermosetting resin such as melamine resin or diallyl phthalate resin. The resin-impregnated paper made by impregnation is placed on a base material such as phenol core paper or particle board, and heated and compressed through a mirror plate to manufacture. 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 is inevitable that the decorative plate is expensive due to poor production efficiency.
【０００３】コスト面を改善する為に、熱硬化性樹脂の
代わりに電子線硬化型樹脂を含浸させ、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。In order to improve the cost, various means for impregnating and strengthening an electron beam curable resin instead of the thermosetting resin have been studied, but a satisfactory one has been obtained for the following reasons. Absent.
【０００４】すなわち表面から塗布することにより電子
線硬化型樹脂を紙に含浸させる工程において、塗布、電
子線照射を同一工程内で短時間で行った場合、水性イン
キの極性が高いため樹脂の浸透が阻害され、紙まで十分
に浸透せず含浸させる以前に電子線硬化型樹脂が硬化し
てしまう。そのため紙を強化するという本来の目的が達
成されない。That is, in the step of impregnating the paper with the electron beam curable resin by applying from the surface, when the application and the electron beam irradiation are carried out within a short time in the same step, the water ink has high polarity and the resin penetrates. Is impeded, and the electron beam curable resin is cured before it is impregnated into the paper and impregnated. Therefore, the original purpose of strengthening paper is not achieved.
【０００５】ここで水性インを使用する理由であるが、
近年問題となっている環境問題や溶剤の使用の問題があ
るため、水性インキの使用が重視されてきていることに
係っている。The reason for using the aqueous solution is as follows.
It is concerned that the use of water-based inks has been emphasized because of the environmental problems and the problems of the use of solvents which have become a problem in recent years.
【０００６】[0006]
【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、その課題と
するところは、水平面に使用可能な硬度や耐摩耗性を備
えた高級化粧板を極めて能率的にかつ安価に製造できる
ような化粧紙を製造する方法を提供するものである。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a high-grade product having hardness and wear resistance that can be used on a horizontal surface. It is intended to provide a method for producing a decorative paper which can produce a decorative board extremely efficiently and inexpensively.
【０００７】[0007]
【課題を解決するための手段】本発明はこうのような課
題を解決するため、水性インキで印刷を施すかまたは着
色した紙の表面に、水酸基またはカルボキシル基等の極
性基を有する電子線硬化型樹脂を主成分とした、数〜十
数ｃｐｓの粘度の電子線硬化型塗工液を塗布した後、さ
らにその表面に電子線硬化型樹脂を主成分とした、数十
〜数百ｃｐｓの粘度の電子線硬化型塗工液を塗布し、電
子線を照射することにより電子線硬化型塗工液を硬化す
ることを特徴とする化粧紙の製造方法を提供するもので
ある。SUMMARY OF THE INVENTION In order to solve the above problems, the present invention is to cure an electron beam having a polar group such as a hydroxyl group or a carboxyl group on the surface of a paper printed or colored with an aqueous ink. After applying an electron beam curable coating liquid having a viscosity of several to several tens of cps containing a mold resin as a main component, the electron beam curable resin having a viscosity of several tens to several hundred cps as a main component is further applied to the surface thereof. It is intended to provide a method for producing a decorative paper, which comprises applying an electron beam curable coating liquid having a viscosity and irradiating an electron beam to cure the electron beam curable coating liquid.
【０００８】以下、本発明を詳細に説明する。本発明の
化粧紙における化粧原紙としては、坪量３０〜１２０ｇ
／ｍ2 の化粧紙用原紙が好適である。予めウレタン系樹
脂やビニル系樹脂等でシーラー処理等を施しても良い。
これに水性インキにより印刷を施す。印刷方法はグラビ
ア印刷法等の公知の印刷方法で良い。The present invention will be described in detail below. The decorative base paper in the decorative paper of the present invention has a basis weight of 30 to 120 g.
A base paper for decorative paper of / m 2 is suitable. A sealer treatment or the like may be performed in advance with a urethane resin, a vinyl resin, or the like.
This is printed with a water-based ink. The printing method may be a known printing method such as a gravure printing method.
【０００９】水酸基またはカルボキシル基等の極性基を
有する電子線硬化型樹脂としては、分子末端にアクリル
基もしくはメタクリル基を有し、さらに分子末端に水酸
基またはカルボキシル基等の極性基を有していれば良
く、好ましくは低粘度である単官能アクリレートもしく
はメタクリレートが良い。The electron beam curable resin having a polar group such as a hydroxyl group or a carboxyl group should have an acrylic group or a methacrylic group at the molecular end and a polar group such as a hydroxyl group or a carboxyl group at the molecular end. A monofunctional acrylate or methacrylate having a low viscosity is preferable.
【００１０】最初に塗布する電子線硬化型塗工液の粘度
は、数〜十数ｃｐｓである。これ以上の粘度であると、
化粧紙に浸透しきれない。さらに、主成分である水酸基
またはカルボキシル基等の極性基を有する電子線硬化型
樹脂の組成比は２０％以上であり、好ましくは５０％以
上である。これ以下であると塗工液の極性が低下し水性
インキへの浸透性が低下してしまう。The viscosity of the electron beam curing type coating liquid applied first is several to several tens of cps. If the viscosity is higher than this,
It cannot penetrate the decorative paper. Further, the composition ratio of the electron beam curable resin having a polar group such as a hydroxyl group or a carboxyl group as a main component is 20% or more, preferably 50% or more. If it is less than this range, the polarity of the coating liquid is lowered and the permeability to the water-based ink is lowered.
【００１１】次に塗布する電子線硬化型塗工液の粘度
は、数十〜数百ｃｐｓである。これ以下の粘度である
と、電子線硬化型塗工液が化粧紙に浸透してしまい、表
面に残留する電子線硬化型樹脂が減少するため、化粧紙
の表面仕上がり感が悪くなる。また、これ以上の粘度で
あると、高速で塗工することが困難となる。主成分であ
る電子線硬化型樹脂としては、分子末端にアクリル基も
しくはメタクリル基を有していれば良く、ポリエステル
アクリレート、ウレタンアクリレート、エポキシアクリ
レート、ポリエステルメタクリレート、ウレタンメタク
リレート、エポキシメタクリレート、等である。The viscosity of the electron beam curable coating liquid to be applied next is several tens to several hundreds cps. If the viscosity is less than this, the electron beam curable coating liquid penetrates into the decorative paper, and the amount of electron beam curable resin remaining on the surface decreases, so that the surface finish of the decorative paper deteriorates. Further, if the viscosity is higher than this, it becomes difficult to coat at high speed. The electron beam curable resin as the main component may have an acrylic group or a methacrylic group at the molecular end, and may be polyester acrylate, urethane acrylate, epoxy acrylate, polyester methacrylate, urethane methacrylate, epoxy methacrylate, or the like.
【００１２】塗工方法は任意であるが、ロールコータ
ー、リバースロールコーター、グラビアコーター、ナイ
フコーター等によるのが一般的である。Although the coating method is arbitrary, it is generally performed by a roll coater, a reverse roll coater, a gravure coater, a knife coater or the like.
【００１３】電子線照射装置より照射する電子線の加速
電圧は１５０〜２００ｋＶ、照射量は３〜５Ｍｒａｄ程
度が良い。通常この処理は５０〜１５０ｍ／ｍｉｎのラ
イン速度で可能であるから極めて生産効率が高い。It is preferable that the accelerating voltage of the electron beam emitted from the electron beam irradiating device is 150 to 200 kV and the irradiation amount is about 3 to 5 Mrad. Usually, this treatment is possible at a line speed of 50 to 150 m / min, and therefore the production efficiency is extremely high.
【００１４】[0014]
【作用】以上に述べたように、本発明による化粧紙は、
最初に塗布した水酸基またはカルボキシル基等の極性基
を有する電子線硬化型樹脂を主成分とした、数〜十数ｃ
ｐｓの粘度の電子線硬化型塗工液が水性インキへの浸透
性を改質し、さらにその表面に中粘度の電子線硬化型塗
工液を塗布することにより、紙の内部まで塗工液がよく
浸透し紙を強化し、さらに化粧紙の表面を保護する。As described above, the decorative paper according to the present invention is
An electron beam curable resin having a polar group such as a hydroxyl group or a carboxyl group applied first, as a main component, several to ten and several c
An electron beam curable coating liquid with a viscosity of ps modifies the penetrability into water-based inks, and a medium viscosity electron beam curable coating liquid is applied to the surface of the coating liquid. Penetrates well, strengthens the paper and further protects the surface of the decorative paper.
【００１５】[0015]
＜実施例１＞坪量８０ｇ／ｍ2 の化粧紙用原紙にマホガ
ニー調木目絵柄を水性インキ（東洋インキ製造（株）
製）で印刷した後、粘度５〜８ｃｐｓに調整した電子線
硬化型塗工液（２ーヒドロキシエチルアクリレート／ペ
ンタエリスリトールトリアクリレート／１，６ヘキサン
ジオールジアクリレート）をグラビアコーターにて２０
ｇ／ｍ2 塗布し、次に粘度４００ｃｐｓに調整した電子
線硬化型樹脂（東亜合成化学工業（株）製「アロニック
スＭ−８０３０」／１，６ヘキサンジオールジアクリレ
ート／ダイセル・ユーシービー（株）製「エベクリル３
５０」）をグラビアコーターにて３０ｇ／ｍ2 順次連続
で塗布した。<Example 1> A base material for decorative paper having a basis weight of 80 g / m 2 and a water-based ink with a mahogany grain pattern (Toyo Ink Mfg. Co., Ltd.)
Manufactured by K.K.), and then an electron beam curable coating liquid (2-hydroxyethyl acrylate / pentaerythritol triacrylate / 1,6 hexanediol diacrylate) adjusted to have a viscosity of 5 to 8 cps is applied with a gravure coater.
Electron beam curable resin coated with g / m 2 and then adjusted to a viscosity of 400 cps (“Aronix M-8030” made by Toagosei Kagaku Kogyo Co., Ltd., 1,6 hexanediol diacrylate / Daicel UCB Co., Ltd.) Made "Evecryl 3
50 ") was continuously applied in order of 30 g / m 2 using a gravure coater.
【００１６】塗布後引き続き、電子線照射装置（日新ハ
イボルテージ（株）製：「キュアトロン」）の照射下を
通過させ、照射線量約５．０Ｍｒａｄのエネルギーで塗
膜を硬化させ、化粧紙を得た。After coating, the coating film is passed under irradiation by an electron beam irradiation device ("Curetron" manufactured by Nisshin High Voltage Co., Ltd.), and the coating film is cured with an energy of irradiation dose of about 5.0 Mrad to give a decorative paper. Got
【００１７】上記化粧紙を尿素・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、外観上非常に光沢が高く塗装感があり、性能的にも
水平面への使用も問題ないものであった。When the above decorative paper was attached to a particle board with a urea / vinyl acetate adhesive to form a decorative board, it had a very glossy appearance and had a feeling of painting, and it was problematic to use it on a horizontal surface in terms of performance. It was not there.
【００１８】＜実施例２＞坪量６０ｇ／ｍ2 の化粧紙用
原紙にオーク調木目絵柄を水性インキ（東洋インキ製造
（株）製）で印刷した後、粘度７〜１７ｃｐｓに調整し
た電子線硬化型塗工液（２ーヒドロキシエチルアクリレ
ート／ペンタエリスリトールトリアクリレート／トリプ
ロピレングリコールジアクリレート）をグラビアコータ
ーにて１５ｇ／ｍ2 塗布し、次に粘度３００ｃｐｓに調
整した電子線硬化型樹脂（東亜合成化学工業（株）製
「アロニックスＭ−８０３０」／トリプロピレングリコ
ールジアクリレート／ダイセル・ユーシービー（株）製
「エベクリル３５０」／富士ディビゾン製「サイロイド
２４４」）をグラビアコーターにて３０ｇ／ｍ2 順次連
続で塗布した。<Example 2> An oak-grain woodgrain pattern was printed on a base paper for decorative paper having a basis weight of 60 g / m 2 with a water-based ink (manufactured by Toyo Ink Mfg. Co., Ltd.), and then the electron beam was adjusted to a viscosity of 7 to 17 cps. An electron beam curable resin (Toagosei Co., Ltd.) in which a curable coating liquid (2-hydroxyethyl acrylate / pentaerythritol triacrylate / tripropylene glycol diacrylate) was applied by a gravure coater at 15 g / m 2 and then adjusted to a viscosity of 300 cps Chemical Industry Co., Ltd. "Aronix M-8030" / tripropylene glycol diacrylate / Daicel UCB Co., Ltd. "Evecryl 350" / Fuji Divison "Cyroid 244") Gravure coater 30g / m 2 It was applied continuously.
【００１９】塗布後引き続き、電子線照射装置（日新ハ
イボルテージ（株）製：「キュアトロン」）の照射下を
通過させ、照射線量約３．０Ｍｒａｄのエネルギーで塗
膜を硬化させ、化粧紙を得た。After coating, the coating film is passed under the irradiation of an electron beam irradiation device ("Curetron" manufactured by Nisshin High Voltage Co., Ltd.) to cure the coating film with an energy of irradiation dose of about 3.0 Mrad, and to make a decorative paper. Got
【００２０】このようにして得られた化粧紙の外観は光
沢がマット調の極めて本木に酷似したものであり、まげ
ることも可能であった。The appearance of the decorative paper thus obtained was such that the gloss was very similar to that of a real wood with a matte tone, and it was possible to bend it.
【００２１】＜比較例１＞最初に塗布する電子線硬化型
塗工液を、粘度５〜８ｃｐｓの電子線硬化型塗工液
（１，６ヘキサンジオールジアクリレート）にした他
は、実施例１と同様にして化粧紙を得、尿素・酢酸ビニ
ル系の接着剤にてパ−チクルボ−ドと貼り合わせて化粧
板にした。Comparative Example 1 Example 1 was repeated except that the electron beam curable coating liquid to be applied first was an electron beam curable coating liquid having a viscosity of 5 to 8 cps (1,6 hexanediol diacrylate). A decorative paper was obtained in the same manner as described above, and the decorative paper was attached to a particle board with a urea / vinyl acetate adhesive.
【００２２】＜比較例２＞最初に塗布する電子線硬化型
塗工液を、粘度７〜１７ｃｐｓの電子線硬化型塗工液
（トリプロピレングリコールジアクリレート）にした他
は、実施例２と同様にして化粧紙を得た。<Comparative Example 2> The same as Example 2 except that the electron beam curable coating liquid applied first was an electron beam curable coating liquid (tripropylene glycol diacrylate) having a viscosity of 7 to 17 cps. I got a decorative paper.
【００２３】[0023]
【発明の効果】実施例１、実施例２、比較例１、及び比
較例２にて得られた化粧板および化粧紙を、接着テープ
剥離により評価した。The decorative boards and decorative papers obtained in Example 1, Example 2, Comparative Example 1 and Comparative Example 2 were evaluated by peeling the adhesive tape.
【００２４】[0024]
【表１】 [Table 1]
【００２５】上記結果のごとく実施例１、及び実施例
２、即ち本発明による化粧紙は紙が強化されており、表
面保護もなされている。そして、表面の仕上がり外観に
も優れている。As can be seen from the above results, the decorative papers of Examples 1 and 2, that is, the decorative paper according to the present invention have a reinforced paper and a surface protection. And the finished appearance of the surface is also excellent.
【００２６】また、本発明の化粧紙の製造方法により、
水平面に使用可能な硬度や耐摩耗性を備えた高級化粧紙
を極めて能率的にかつ安価に製造することが可能となっ
た。Further, according to the method for producing a decorative paper of the present invention,
It has become possible to extremely efficiently and inexpensively manufacture high-grade decorative paper having hardness and abrasion resistance that can be used on a horizontal surface.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｂ３２Ｂ 31/28 7141−4Ｆ Ｄ２１Ｈ 19/80 19/24 ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 5 Identification code Office reference number FI technical display location B32B 31/28 7141-4F D21H 19/80 19/24
Claims (1)
紙の表面に、水酸基またはカルボキシル基等の極性基を
有する電子線硬化型樹脂を主成分とした、数〜十数ｃｐ
ｓの粘度の電子線硬化型塗工液を塗布した後、さらにそ
の表面に電子線硬化型樹脂を主成分とした、数十〜数百
ｃｐｓの粘度の電子線硬化型塗工液を塗布し、電子線を
照射することにより電子線硬化型塗工液を硬化すること
を特徴とする化粧紙の製造方法。1. A few to ten and several cps containing, as a main component, an electron beam curable resin having a polar group such as a hydroxyl group or a carboxyl group on the surface of a paper printed or colored with an aqueous ink.
After applying the electron beam curable coating liquid having a viscosity of s, an electron beam curable coating liquid having a viscosity of several tens to several hundred cps containing an electron beam curable resin as a main component is further applied to the surface thereof. A method for producing a decorative paper, characterized in that the electron beam curable coating liquid is cured by irradiating with an electron beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20363192A JP3173158B2 (en) | 1992-07-30 | 1992-07-30 | Manufacturing method of decorative paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20363192A JP3173158B2 (en) | 1992-07-30 | 1992-07-30 | Manufacturing method of decorative paper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0647873A true JPH0647873A (en) | 1994-02-22 |
| JP3173158B2 JP3173158B2 (en) | 2001-06-04 |
Family
ID=16477247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20363192A Expired - Fee Related JP3173158B2 (en) | 1992-07-30 | 1992-07-30 | Manufacturing method of decorative paper |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3173158B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0737593A2 (en) * | 1995-04-12 | 1996-10-16 | Westvaco Corporation | A lid having a cured overprint varnish |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016199130A (en) * | 2015-04-09 | 2016-12-01 | 株式会社日乃本錠前 | Double-wheel caster brake gear |
-
1992
- 1992-07-30 JP JP20363192A patent/JP3173158B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0737593A2 (en) * | 1995-04-12 | 1996-10-16 | Westvaco Corporation | A lid having a cured overprint varnish |
| EP0737593A3 (en) * | 1995-04-12 | 1997-11-19 | Westvaco Corporation | A lid having a cured overprint varnish |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3173158B2 (en) | 2001-06-04 |
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