JPH0725136A - Ink jet recording paper - Google Patents
Ink jet recording paperInfo
- Publication number
- JPH0725136A JPH0725136A JP5195270A JP19527093A JPH0725136A JP H0725136 A JPH0725136 A JP H0725136A JP 5195270 A JP5195270 A JP 5195270A JP 19527093 A JP19527093 A JP 19527093A JP H0725136 A JPH0725136 A JP H0725136A
- Authority
- JP
- Japan
- Prior art keywords
- paper
- ink
- pigment
- weight
- binder
- 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
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000000576 coating method Methods 0.000 claims abstract description 36
- 239000011248 coating agent Substances 0.000 claims abstract description 35
- 239000000049 pigment Substances 0.000 claims abstract description 28
- 239000011230 binding agent Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 17
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 17
- 239000005018 casein Substances 0.000 claims abstract description 13
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 235000021240 caseins Nutrition 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 239000005062 Polybutadiene Substances 0.000 abstract 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 abstract 1
- 238000007796 conventional method Methods 0.000 abstract 1
- 229920002857 polybutadiene Polymers 0.000 abstract 1
- 239000000976 ink Substances 0.000 description 45
- 239000010410 layer Substances 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 15
- 239000011247 coating layer Substances 0.000 description 11
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 230000007423 decrease Effects 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 5
- 239000003086 colorant Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 229910000906 Bronze Inorganic materials 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 3
- 239000010974 bronze Substances 0.000 description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 3
- 235000013539 calcium stearate Nutrition 0.000 description 3
- 239000008116 calcium stearate Substances 0.000 description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- SRWMQSFFRFWREA-UHFFFAOYSA-M zinc formate Chemical compound [Zn+2].[O-]C=O SRWMQSFFRFWREA-UHFFFAOYSA-M 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 241000872198 Serjania polyphylla Species 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000007850 fluorescent dye Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000012860 organic pigment Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- -1 satin white Chemical compound 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 125000005624 silicic acid group Chemical class 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Landscapes
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、インクジェット記録装
置、特に複数のノズルを有する記録ヘッドを使用した画
像形成装置に用いることが可能なコート紙タイプのイン
クジェット記録用紙に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an inkjet recording apparatus, and more particularly to a coated paper type inkjet recording sheet which can be used in an image forming apparatus using a recording head having a plurality of nozzles.
【０００２】[0002]
【従来の技術】インクジェット記録装置は、記録用紙に
直接インク（記録液）を噴射するものであって、従来の
記録装置に比べてランニングコストが安く、静かな記録
方法として注目されている。近年、このインクジェット
記録方式においては、２色以上のインクを用いたフルカ
ラー画像形成をより高速で行う目的で、マルチノズルタ
イプの記録装置が用いられている。2. Description of the Related Art An ink jet recording apparatus, which ejects ink (recording liquid) directly onto a recording sheet, has a running cost lower than that of a conventional recording apparatus and is attracting attention as a quiet recording method. In recent years, in this inkjet recording system, a multi-nozzle type recording apparatus has been used for the purpose of performing full-color image formation using inks of two or more colors at a higher speed.
【０００３】この様な記録方式において用いられるイン
クは、安全性や印刷特性の面から水系のインクが用いら
れ、且つ記録用紙は、記録液の記録用紙への吸収が速く
且つ異色インクの重複があっても溢れ等が生じてはなら
ない、記録面に付与されたインクドットの拡がりが適正
であること、又、ドット形状が真円に近いこと、更にド
ットエッジが鮮明であること、及び当然の事としてドッ
ト濃度が高く、且つドットのコントラストを際立たせる
為に、記録面の白色度が十分に高いことが要求されてい
る。The ink used in such a recording system is a water-based ink from the viewpoint of safety and printing characteristics, and the recording paper absorbs the recording liquid onto the recording paper quickly and the inks of different colors do not overlap. Even if it exists, overflow should not occur, the spread of ink dots applied to the recording surface is proper, the dot shape is close to a perfect circle, and the dot edge is clear, and naturally In particular, it is required that the whiteness of the recording surface be sufficiently high in order to make the dot density high and to make the dot contrast stand out.
【０００４】従来この様な要求に応える為に、コート紙
の使用が提案されているが、印字されたインクの彩度を
より増し且つ画像の品位を高めようとして、コート表面
を平滑にする為にスーパーキャレンダーをかけると、イ
ンクの吸収性が阻害され、インクの溢れを生じてしまう
こととなる。これに対して、特開昭６２−９５２８５号
公報に記載されている様に、上記インクジェット画像に
対する要求に応える為に、キャストコート紙の改良が提
案されている。In order to meet such demands, it has been proposed to use coated paper. However, in order to increase the color saturation of the printed ink and enhance the quality of the image, the coated surface is made smooth. If a super calender is applied to the ink, the ink absorbability will be hindered and the ink will overflow. On the other hand, as described in JP-A-62-95285, improvement of cast coated paper has been proposed in order to meet the demand for the above-mentioned inkjet image.
【０００５】しかしながら、複数のノズルを有し、且つ
短時間で局所的に多量のインクを付与するマルチノズル
を有するオンデマンド型インクジェット記録方式におい
て、上記の如き記録用紙を適用した場合には、インクが
記録用紙の表面から吸収され、より高い濃度を達成しよ
うとして、記録面におけるインクの吸収性を低下させる
と、滲みを生じたり、インク中の染料の選択吸収が発生
して、イエロー、シアン、マゼンタ及びブラックの４色
インクによる黒の印字を行ったにもかかわらず、黒地に
茶色のまだら模様を生じる（ブロンズ現象）ことがあ
る。However, when the above-mentioned recording paper is applied in the on-demand type ink jet recording system having a plurality of nozzles and a multi-nozzle which locally applies a large amount of ink in a short time, the ink is Is absorbed from the surface of the recording paper, and when the ink absorbency on the recording surface is reduced in an attempt to achieve a higher density, bleeding occurs or selective absorption of dye in the ink occurs, resulting in yellow, cyan, Despite printing black with four color inks of magenta and black, a brown mottled pattern may occur on a black background (bronze phenomenon).
【０００６】又、インクが記録層の表層で吸収される場
合には、インクによる記録層の膨潤が記録層の表面近く
で生じる為、キャストコート表面に細かな荒れが発生
し、印字部のグロスがより減少することがある。この荒
れに対応する為に、インクの吸収性を高めるべく、記録
層形成用塗工液の処方の変更を行うと、これらの難点は
解消されるものの、上記に述べた様に印字濃度が低下し
てしまうと云う新たな問題が発生する。従って本発明の
目的は、上記従来技術の問題点を解決し、複数のノズル
を有する複数のインクジェットヘッドを使用するフルカ
ラー画像の形成においても、インクの吸収性が良好でイ
ンクの溢れがなく、高濃度の画像を形成し得るインクジ
ェット記録用紙を提供することである。Further, when the ink is absorbed by the surface layer of the recording layer, swelling of the recording layer due to the ink occurs near the surface of the recording layer, so that fine roughness occurs on the surface of the cast coat and gloss of the printed portion occurs. May be more reduced. In order to deal with this roughness, if the formulation of the coating liquid for forming the recording layer is changed in order to improve the ink absorbency, these difficulties will be solved, but the print density will decrease as described above. There will be a new problem that will happen. Therefore, an object of the present invention is to solve the above-mentioned problems of the prior art, and even in the formation of a full-color image using a plurality of ink jet heads having a plurality of nozzles, the ink absorbability is good, the ink does not overflow, and An object of the present invention is to provide an inkjet recording paper capable of forming a high density image.
【０００７】[0007]
【課題を解決する為の手段】上記目的は以下の本発明に
よって達成される。即ち、本発明は、複数のノズルを有
するオンデマンド型ヘッドを用いたインクジェット記録
方法に使用するインクジェット記録用紙において、該イ
ンクジェット記録用紙が、基紙の一方の面に、ＢＥＴ比
表面積２５０ｍ２／ｇ〜５００ｍ２／ｇの合成シリカを
８０重量％以上含む顔料と、カゼイン及びスチレンブタ
ジエンラバーを含む結着剤とからなる塗工液から記録層
を形成し、且つ上記顔料と上記結着剤の重量比が顔料／
結着剤の値で１．８〜２．４であり、上記塗工液の固形
分塗工量が１５〜２５ｇ／ｍ２であって、前記記録層表
面の十点平均粗さが０．５〜５μｍの範囲であることを
特徴とするインクジェット記録用紙である。The above object can be achieved by the present invention described below. That is, the present invention provides an inkjet recording paper used in an inkjet recording method using an on-demand type head having a plurality of nozzles, wherein the inkjet recording paper has a BET specific surface area of 250 m 2 / g on one surface of a base paper. A recording layer is formed from a coating liquid comprising a pigment containing 80% by weight or more of synthetic silica of about 500 m 2 / g and a binder containing casein and styrene-butadiene rubber, and the weight of the pigment and the binder. The ratio is pigment /
The binder value was 1.8 to 2.4, the coating amount of the solid content of the coating liquid was 15 to 25 g / m 2 , and the ten-point average roughness of the recording layer surface was 0. The inkjet recording paper has a range of 5 to 5 μm.
【０００８】[0008]
【作用】本発明によれば、印字時にインクの吸収が良好
で、インクの溢れや滲みが発生しない高濃度且つ高画質
画像を形成し得るキャストコート紙タイプのインクジェ
ット記録用紙が提供される。更には、上記インクジェッ
ト記録用紙は、マルチノズルを有するオンデマンド型イ
ンクジェット記録装置において、フルカラー画像を形成
する場合にも上記と同様に高濃度且つ高画質画像を形成
し得る。According to the present invention, there is provided an ink jet recording paper of cast coat paper type, which has good ink absorption during printing and is capable of forming a high density and high quality image without ink overflow or bleeding. Furthermore, the above-mentioned inkjet recording paper can form a high-density and high-quality image in the same manner as above when forming a full-color image in an on-demand type inkjet recording apparatus having multiple nozzles.
【０００９】[0009]
【好ましい実施態様】次に好ましい実施態様を挙げて本
発明を更に詳しく説明する。本発明にかかるインクジェ
ット記録用紙は、水性結着剤であるカゼイン及びスチレ
ンブタジエンラバーに、少なくとも合成シリカを含有す
る塗工層（記録層）を形成したものであり、スチレンブ
タジエンラバーとしては、モノマーの主成分としてスチ
レン及びブタジェンを使用するものであれば、第三成分
を含むことが出来、又、特に顔料として用いられる合成
シリカは、一般に非晶質シリカ、無定形シリカ、無水ケ
イ酸、含水ケイ酸、微粉シリカ或はホワイトカーボン等
と呼称されているケイ酸類である。更に合成シリカの条
件として、ＢＥＴ比表面積が２５０〜５００ｍ２／ｇの
ものを選択して用いればよい。BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in more detail with reference to the preferred embodiments. The inkjet recording paper according to the present invention is one in which a coating layer (recording layer) containing at least synthetic silica is formed on casein and styrene-butadiene rubber which are water-based binders. If styrene and butadiene are used as the main components, a third component can be included, and synthetic silica used as a pigment is generally amorphous silica, amorphous silica, silicic acid anhydride, hydrous silica. These are silicic acids called acids, finely divided silica or white carbon. Further, as conditions for the synthetic silica, those having a BET specific surface area of 250 to 500 m 2 / g may be selected and used.
【００１０】又、合成シリカと併用することが可能な他
の顔料としては、例えば、カオリン、タルク、炭酸カル
シウム、硫酸バリウム、水酸化アルミニウム、二酸化チ
タン、酸化亜鉛、サチンホワイト、ケイソウ土、酸性白
土、ゼオライト、コロイダルシリカ、有機顔料等が挙げ
られる。この際、塗工層中の顔料のうち合成シリカの含
有率が８０重量％以上であることが好ましい、８０重量
％未満であるとインクの吸収が塗工層表面の局所吸収と
なり、印字ドットの形状が真円から著しく離れるだけで
なく、ドットの大きさも極端に小さくなってしまう。更
に、インク吸収の悪さから、極端なブロンズ現象を引き
起こしてしまう。加えて、顔料と結着剤の重量比が、顔
料／結着剤の比として２．４を越える様な場合は、印字
後の画像濃度が著しく低下し、一方、１．８を切ると印
字後の画像に著しいグロスの低下を引き起こす。Other pigments that can be used in combination with the synthetic silica include, for example, kaolin, talc, calcium carbonate, barium sulfate, aluminum hydroxide, titanium dioxide, zinc oxide, satin white, diatomaceous earth and acid clay. , Zeolite, colloidal silica, organic pigments and the like. At this time, the content of the synthetic silica in the pigment in the coating layer is preferably 80% by weight or more. If it is less than 80% by weight, the ink absorption becomes local absorption on the surface of the coating layer and the print dot Not only does the shape deviate significantly from the perfect circle, but the dot size also becomes extremely small. Further, due to poor ink absorption, it causes an extreme bronze phenomenon. In addition, when the weight ratio of the pigment to the binder exceeds 2.4 as the pigment / binder ratio, the image density after printing is remarkably reduced, and when the ratio is less than 1.8, the image is printed. Causes a significant loss of gloss in later images.
【００１１】又、合成シリカのＢＥＴ比表面積が２５０
ｍ２／ｇ未満の場合には、上記の顔料／結着剤の比の範
囲の合成シリカが塗工層中に存在していても、インクの
吸収性が極端に悪くなり、インクの溢れを生じてしま
う。更に、ＢＥＴ比表面積が５００ｍ２／ｇを越すと、
逆に塗工層全体でのインク吸収が良過ぎて、インクが塗
工層全体に拡散し画像濃度が低下すると云う欠点が生じ
てしまう。Further, the BET specific surface area of synthetic silica is 250.
When it is less than m 2 / g, even if synthetic silica in the above-mentioned pigment / binder ratio range is present in the coating layer, the ink absorbability becomes extremely poor and the ink overflow is prevented. Will occur. Furthermore, when the BET specific surface area exceeds 500 m 2 / g,
On the contrary, the ink absorption in the entire coating layer is too good, and the ink diffuses throughout the coating layer, resulting in a decrease in image density.
【００１２】本発明で用いる塗工機としては、塗工部
に、ブレードコーター、エアナイフコーター、ロールコ
ーター、カーテンコーター、バーコーター、グラビアコ
ーター、コンマコーター等の塗工部を有するものはいず
れでも適用することが出来る。本発明においては、塗工
後直ちに塗工層が湿潤状態にあるうちに、塗工層中のカ
ゼインを凝固させる為に、亜鉛、カルシウム、バリウ
ム、マグネシウム、アルミニウム等の硝酸、硫酸、蟻
酸、酢酸等の塩を含む水溶液で塗工層を処理する、所謂
凝固法によるキャストコート法を実施し得る設備を塗工
部の後に有する塗工機を使用することが出来る。更に、
凝固後の塗工層の乾燥に際しては、加熱した仕上げ面に
塗工層を圧着し、乾燥仕上げする方式が用いられる。As the coating machine used in the present invention, any coating machine having a coating section such as a blade coater, an air knife coater, a roll coater, a curtain coater, a bar coater, a gravure coater or a comma coater is applicable. You can do it. In the present invention, while the coating layer is in a wet state immediately after coating, in order to solidify casein in the coating layer, nitric acid such as zinc, calcium, barium, magnesium and aluminum, sulfuric acid, formic acid, acetic acid. It is possible to use a coating machine having, after the coating section, equipment capable of carrying out the so-called cast coating method by a so-called coagulation method, in which the coating layer is treated with an aqueous solution containing a salt such as. Furthermore,
When drying the coating layer after solidification, a method is used in which the coating layer is pressure-bonded to the heated finished surface and dry finishing is performed.
【００１３】上記手段で乾燥したインクジェット記録用
紙は、表面の十点平均粗さが０．５〜５．０μｍとな
り、高い光沢が得られる。十点平均粗さが５．０μｍを
越えるとインクジェット記録用紙の光沢が低下し、一
方、０．５μｍ未満では最表層の顔料／結着剤の比率が
相対的に低下し、インクの吸収性が低下する。より好ま
しい範囲としては０．５〜３．０μｍである。塗工量と
しては固形分として１５〜２５ｇ／ｍ２の範囲内で塗工
すればよく、１５ｇ／ｍ２未満では、インクの溢れを生
じ易く、２５ｇ／ｍ２を越えると画像濃度の低下が生じ
る。本発明では更に塗工液中に必要に応じて顔料分散
剤、保水剤、増粘剤、消泡剤、離型剤、着色剤、耐水化
剤、湿潤剤、蛍光染料、紫外線吸収剤等を適宜配合する
ことが出来る。The ten-point average roughness of the surface of the ink jet recording paper dried by the above means is 0.5 to 5.0 μm, and high gloss is obtained. When the ten-point average roughness exceeds 5.0 μm, the gloss of the inkjet recording paper decreases, while when it is less than 0.5 μm, the pigment / binder ratio of the outermost layer decreases relatively, and the ink absorbability descend. A more preferable range is 0.5 to 3.0 μm. May be coated in the range of 15-25 g / m 2 as solid content of the coating amount is less than 15 g / m 2, tend to cause overflow of the ink, a decrease in image density exceeds 25 g / m 2 Occurs. In the present invention, a pigment dispersant, a water retention agent, a thickener, a defoaming agent, a release agent, a colorant, a water resistance agent, a wetting agent, a fluorescent dye, an ultraviolet absorber, etc. may be further added to the coating liquid as needed. It can be appropriately mixed.
【００１４】[0014]
【実施例】次に実施例及び比較例を挙げて本発明を更に
具体的に説明する。 実施例１（インクジェット記録用紙１） 顔料としてＢＥＴ比表面積３００ｍ２／ｇの合成シリカ
（水澤化学工業社製、商品名ミズカシルＰ−７０７）８
５重量部及び軽質炭酸カルシウム（奥多摩工業社製、商
品名タマパール１２１）１５重量部、結着剤としてカゼ
イン（ニュージーランド製、ラクチックカゼイン）２５
重量部及びスチレンブタジエンラバー（住友ノーガタッ
ク社製、商品名ＳＮ３０７）２５重量部（顔料／結着剤
＝２．０）、離型剤としてステアリン酸カルシウム（サ
ンノブコ社製、商品名ノブコートＣ１０４）２重量部を
均一に混合し、固形分濃度３０重量％の水性塗工液を調
製した。EXAMPLES Next, the present invention will be described more specifically with reference to Examples and Comparative Examples. Example 1 (Inkjet recording paper 1) Synthetic silica having a BET specific surface area of 300 m 2 / g as a pigment (Mizukasil P-707, manufactured by Mizusawa Chemical Co., Ltd.) 8
5 parts by weight and light calcium carbonate (manufactured by Okutama Kogyo Co., Ltd., trade name Tama Pearl 121) 15 parts by weight, casein as binder (New Zealand, Lactic Casein) 25
25 parts by weight and styrene butadiene rubber (Sumitomo Nogatak Co., Ltd., trade name SN307) 25 parts by weight (pigment / binder = 2.0), 2 parts by weight of calcium stearate (manufactured by San Nobuco Co., Ltd., trade name Nobcoat C104) as a release agent. The parts were uniformly mixed to prepare an aqueous coating solution having a solid content concentration of 30% by weight.
【００１５】得られた塗工液を坪量１９１ｇ／ｍ２のコ
ート原紙にロールコーターで塗工し、次いで、塗膜を蟻
酸亜鉛の２重量％水溶液で凝固処理し、塗膜が湿潤状態
にあるうちに１００℃に加熱した鏡面ドラムに圧着して
乾燥し、塗工量２３ｇ／ｍ２の本発明のインクジェット
記録用紙を得た。このインクジェット記録用紙の記録層
表面の１０点平均粗さは１．４８μｍであり、白紙光沢
は６０度法で７２％であった。The obtained coating solution is applied to a base paper having a basis weight of 191 g / m 2 by a roll coater, and then the coating film is coagulated with a 2% by weight aqueous solution of zinc formate to make the coating film wet. While it was still under pressure, it was pressed onto a mirror surface drum heated to 100 ° C. and dried to obtain an inkjet recording paper of the present invention having a coating amount of 23 g / m 2 . The 10-point average roughness of the surface of the recording layer of this inkjet recording paper was 1.48 μm, and the glossiness of white paper was 72% by the 60-degree method.
【００１６】実施例２（インクジェット記録用紙２） 顔料としてＢＥＴ比表面積３９０ｍ２／ｇの合成シリカ
（水澤化学工業社製、商品名ミズカシルＰ−７８Ｆ）１
００重量部、結着剤としてカゼイン（ニュージーランド
製、ラクチックカゼイン）３０重量部及びスチレンブタ
ジエンラバー（日本合成ゴム社製、商品名ＪＳＲ−０８
０１）２５重量部、（顔料／結着剤＝１．８２）、離型
剤としてステアリン酸カルシウム（サンノブコ社製、商
品名ノブコートＣ１０４）２重量部を均一に混合し、固
形分濃度３０重量％の水性塗工液を調製した。Example 2 (Inkjet recording paper 2) Synthetic silica having a BET specific surface area of 390 m 2 / g as a pigment (Mizukasil P-78F, manufactured by Mizusawa Chemical Co., Ltd.) 1
00 parts by weight, 30 parts by weight of casein (New Zealand, Lactic Casein) as a binder, and styrene butadiene rubber (manufactured by Japan Synthetic Rubber Co., Ltd., trade name JSR-08)
01) 25 parts by weight, (pigment / binder = 1.82), and 2 parts by weight of calcium stearate (manufactured by San Nobuco Co., Ltd., trade name Nobcoat C104) as a release agent are uniformly mixed to obtain a solid content of 30% by weight. An aqueous coating solution was prepared.
【００１７】得られた塗工液を坪量１９１ｇ／ｍ２のコ
ート原紙にロールコーターで塗工し、次いで、塗膜を蟻
酸亜鉛の５重量％水溶液で凝固処理し、塗膜が湿潤状態
にあるうちに１００℃に加熱した鏡面ドラムに圧着して
乾燥し、塗工量１８ｇ／ｍ２の本発明のインクジェット
記録用紙を得た。このインクジェット記録用紙の記録層
表面の１０点平均粗さは１．３７μｍであり、白紙光沢
は６０度法で６９％であった。The coating solution thus obtained was coated on a coated base paper having a basis weight of 191 g / m 2 with a roll coater, and then the coating film was coagulated with a 5% by weight aqueous solution of zinc formate to make the coating film wet. While it was still under pressure, it was pressed onto a mirror surface drum heated to 100 ° C. and dried to obtain an inkjet recording paper of the present invention having a coating amount of 18 g / m 2 . The 10-point average roughness of the surface of the recording layer of this inkjet recording paper was 1.37 μm, and the glossiness of white paper was 69% by the 60-degree method.
【００１８】実施例３（インクジェット記録用紙３） 顔料としてＢＥＴ比表面積２７０ｍ２／ｇの合成シリカ
（徳山曹達社製、商品名ファインシールＸ−３７）１０
０重量部、結着剤としてカゼイン（ニュージーランド
製、ラクチックカゼイン）２５重量部及びスチレンブタ
ジエンラバー（日本合成ゴム社製、商品名ＪＳＲ−０８
０１）２０重量部（顔料／結着剤＝２．２２）、離型剤
としてステアリン酸カルシウム（サンノブコ社製、商品
名ノブコートＣ１０４）２重量部を均一に混合し、固形
分濃度３０重量％の水性塗工液を調製した。Example 3 (Inkjet recording paper 3) As a pigment, synthetic silica having a BET specific surface area of 270 m 2 / g (manufactured by Tokuyama Soda Co., Ltd., trade name Fineseal X-37) 10
0 parts by weight, 25 parts by weight of casein (New Zealand, Lactic Casein) as a binder, and styrene butadiene rubber (manufactured by Japan Synthetic Rubber Co., Ltd., trade name JSR-08)
01) 20 parts by weight (pigment / binder = 2.22) and 2 parts by weight of calcium stearate (manufactured by San Nobuco Co., Ltd., trade name Nobcoat C104) as a release agent are uniformly mixed to obtain an aqueous solution having a solid content concentration of 30% by weight. A coating liquid was prepared.
【００１９】得られた塗工液を坪量１９１ｇ／ｍ２のコ
ート原紙にロールコーターで塗工し、次いで、塗膜を蟻
酸亜鉛の２重量％水溶液で凝固処理し、塗膜が湿潤状態
にあるうちに１００℃に加熱した鏡面ドラムに圧着して
乾燥し、塗工量２０ｇ／ｍ２の本発明のインクジェット
記録用紙を得た。このインクジェット記録用紙の記録層
表面の１０点平均粗さは１．５０μｍであり、白紙光沢
は６０度法で６３％であった。The obtained coating solution was applied to a base paper having a basis weight of 191 g / m 2 by a roll coater, and then the coating film was coagulated with a 2% by weight aqueous solution of zinc formate to make the coating film wet. While it was still under pressure, it was pressed onto a mirror surface drum heated to 100 ° C. and dried to obtain an inkjet recording paper of the present invention having a coating amount of 20 g / m 2 . The 10-point average roughness of the surface of the recording layer of this inkjet recording paper was 1.50 μm, and the glossiness of white paper was 63% by the 60-degree method.
【００２０】比較例１（塗工紙Ａ） 顔料としてミズシカルＰ−７０７ １００重量部、結着
剤としてラクチックカゼイン３０重量部及びＳＮ３０７
３０重量部（顔料／結着剤＝１．６７）を使用する以
外は、実施例１と全く同様にして比較例の塗工紙を得
た。この塗工紙の記録層表面の１０点平均粗さは１．２
３μｍであり、白紙光沢は６０度法で７８％であった。Comparative Example 1 (Coated Paper A) 100 parts by weight of Mizushikaru P-707 as a pigment, 30 parts by weight of lactic casein as a binder and SN307.
A coated paper of Comparative Example was obtained in exactly the same manner as in Example 1 except that 30 parts by weight (pigment / binder = 1.67) was used. The 10-point average roughness of the surface of the recording layer of this coated paper is 1.2.
It was 3 μm, and the white paper gloss was 78% by the 60-degree method.
【００２１】比較例２（塗工紙Ｂ） 顔料としてミズシカルＰ−７０７ １００重量部、結着
剤としてラクチックカゼイン２０重量部及びＳＮ３０７
２０重量部（顔料／結着剤＝２．５０）を使用する以
外は、実施例１と全く同様にして比較例の塗工紙を得
た。この塗工紙の記録層表面の１０点平均粗さは１．５
２μｍであり、白紙光沢は６０度法で６５％であった。Comparative Example 2 (Coated Paper B) 100 parts by weight of Mizushikaru P-707 as a pigment, 20 parts by weight of lactic casein as a binder and SN307.
A coated paper of Comparative Example was obtained in exactly the same manner as in Example 1 except that 20 parts by weight (pigment / binder = 2.50) was used. The 10-point average roughness of the surface of the recording layer of this coated paper is 1.5.
It was 2 μm, and the white paper gloss was 65% by the 60-degree method.
【００２２】比較例３（塗工紙Ｃ） 顔料としてＢＥＴ比表面積２４０ｍ２／ｇの合成シリカ
（徳山曹達社製、商品名ファインシールＸ７０）を使用
する以外は、実施例３と全く同様にして比較例の塗工紙
を得た。この塗工紙の記録層表面の１０点平均粗さは
１．４５μｍであり、白紙光沢は６０度法で７２％であ
った。Comparative Example 3 (Coated Paper C) Except that a synthetic silica having a BET specific surface area of 240 m 2 / g (trade name: Fineseal X70, manufactured by Tokuyama Soda Co., Ltd.) is used as a pigment, the same procedure as in Example 3 is carried out. A coated paper of Comparative Example was obtained. The 10-point average roughness of the surface of the recording layer of this coated paper was 1.45 μm, and the glossiness of white paper was 72% by the 60-degree method.
【００２３】比較例４（塗工紙Ｄ） 塗工量を１３ｇ／ｍ２とする以外は実施例２と全く同様
にして比較例の塗工紙を得た。この塗工紙の記録層表面
の１０点平均粗さは１．３９μｍであり、白紙光沢は６
０度法で６３％であった。 比較例５（塗工紙Ｅ） 塗工量を２８ｇ／ｍ２とする以外は実施例２と全く同様
にして比較例の塗工紙を得た。この塗工紙の記録層表面
の１０点平均粗さは１．３２μｍであり、白紙光沢は６
０度法で７５％であった。Comparative Example 4 (Coated Paper D) A coated paper of Comparative Example was obtained in exactly the same manner as in Example 2 except that the coating amount was 13 g / m 2 . The 10-point average roughness of the surface of the recording layer of this coated paper is 1.39 μm, and the glossiness of white paper is 6
It was 63% by the 0 degree method. Comparative Example 5 (Coated Paper E) A coated paper of Comparative Example was obtained in exactly the same manner as in Example 2 except that the coating amount was 28 g / m 2 . The 10-point average roughness of the surface of the recording layer of this coated paper was 1.32 μm, and the glossiness of white paper was 6
It was 75% by the 0 degree method.
【００２４】比較例６（塗工紙Ｆ） 顔料として合成シリカ７０重量部及び軽質炭酸カルシウ
ム３０重量部とする以外は、実施例１と全く同様にして
比較例の塗工紙を得た。この塗工紙の記録層表面の１０
点平均粗さは１．３０μｍであり、白紙光沢は６０度法
で８８％であった。Comparative Example 6 (Coated Paper F) A coated paper of Comparative Example was obtained in exactly the same manner as in Example 1 except that 70 parts by weight of synthetic silica and 30 parts by weight of light calcium carbonate were used as pigments. 10 of the recording layer surface of this coated paper
The point average roughness was 1.30 μm, and the white paper gloss was 88% by the 60-degree method.
【００２５】比較例７（塗工紙Ｇ） 市販キャストコート紙（日本製紙社製、商品名エスプリ
コートＦＰ ２０９．３ｇ／ｍ２）印字試験 上記の実施例及び比較例のインクジェット記録用紙（塗
工紙）に対して、イエロー、マゼンタ、シアン及びブラ
ックの各インクを使用し、記録ヘッド内のインクに熱エ
ネルギーを与えて液滴を発生させ記録を行うオンデマン
ド型インクジェット記録装置を用い、それぞれのインク
ジェット記録用紙に記録を行った。印字結果を下記表１
に示す。各評価方法として以下の測定を行った。Comparative Example 7 (Coated Paper G) Commercial cast coated paper (manufactured by Nippon Paper Industries Co., Ltd., trade name Espricoat FP 209.3 g / m 2 ) Printing test Ink jet recording paper (coated) of the above Examples and Comparative Examples For each paper, each ink of yellow, magenta, cyan, and black is used, and thermal energy is applied to the ink in the recording head to generate droplets for recording, and an on-demand type inkjet recording device is used. Recording was performed on an inkjet recording paper. The printing results are shown in Table 1 below.
Shown in. The following measurement was performed as each evaluation method.
【００２６】（１）滲み・溢れ 前記で使用した４色のインクを等量に印字して、１色フ
ル記録を１００％として換算すると２５０％になるごと
く印字して、その印字レベルを評価した。印字は矩形の
ベタとして、この矩形からインクのはみ出しが無ければ
○を記した。 （２）濃度 各色それぞれに、ベタ画像を作成し、この濃度をマクベ
ス濃度計にて測定した。代表値としてイエローの値を記
す。(1) Bleed / Overflow The four colors of ink used above were printed in equal amounts, and when the full recording of one color was converted to 100%, it was printed at 250%, and the printing level was evaluated. . The printing was a rectangular solid, and when there was no ink squeezing out from this rectangular, a circle was marked. (2) Density A solid image was created for each color, and this density was measured with a Macbeth densitometer. The yellow value is shown as a representative value.
【００２７】（３）印字後グロス 前記で使用した４色のインクを等量に印字して、１色フ
ル記録を１００％として換算すると２５０％になるごと
く印字して、その後２３℃６０％ＲＨの環境に３０分間
放置した後６０度法でグロスを測定した。 ４）ブロンズ現象 前記で使用した４色のインクを等量に印字して、１色フ
ル記録を１００％として換算すると２５０％になるごと
く印字して、その後２３℃６０％ＲＨの環境に３０分間
放置した後に、このベタ印字部の５０％以上が茶色に変
色しているものを×、２５％以下のものを○とした。(3) Gloss after printing The same amount of the four color inks used above was printed, and when the full recording of one color was converted to 100%, it was printed at 250%, and then at 23 ° C. and 60% RH. After being left for 30 minutes in the environment, the gloss was measured by the 60 degree method. 4) Bronze phenomenon The four colors of ink used above are printed in equal amounts, and when the full recording of one color is converted to 100%, it is printed at 250%, and then in an environment of 23 ° C. and 60% RH for 30 minutes. After being left to stand, 50% or more of the solid printed portion was discolored to brown, and x was 25% or less.
【００２８】[0028]
【表１】 ＊尚、濃度に関して１．２０を下回る場合、ダイナミッ
クレンジが小さくなり過ぎ、画像品位が低下する。又、
印字後グロスが３０％を切ると、無光沢感が急激に増し
満足には使用することが出来ない。[Table 1] * If the density is less than 1.20, the dynamic range becomes too small and the image quality deteriorates. or,
If the gloss after printing is less than 30%, the matte feeling sharply increases, and it cannot be used satisfactorily.
【００２９】[0029]
【発明の効果】以上説明した様に、本発明によれば、複
数のノズルを有するオンデマンド型インクジェット記録
方式の記録用紙として使用した場合にも、普通紙をベー
スにしたキャストコート用紙でありながら、インクの溢
れ、滲みが発生せず、高濃度画像であり、且つ印字後の
グロスの低下も極力抑制され、更にブロンズ現象のない
高品質画像を形成することが出来るインクジェット記録
用紙を提供することが出来る。As described above, according to the present invention, even when it is used as a recording paper of an on-demand type ink jet recording system having a plurality of nozzles, it is a cast coated paper based on plain paper. To provide an ink jet recording sheet that does not cause ink overflow or bleeding, has a high-density image, suppresses a decrease in gloss after printing as much as possible, and can form a high-quality image without bronzing phenomenon. Can be done.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 島田 照久 東京都新宿区上落合１丁目30番６号 日本 製紙株式会社内 (72)発明者 黒山 良弘 東京都新宿区上落合１丁目30番６号 日本 製紙株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Teruhisa Shimada, 1-30-6 Kamiochiai, Shinjuku-ku, Tokyo Japan Paper Manufacturing Co., Ltd. (72) Yoshihiro Kuroyama 1-30-6 Kamiochiai, Shinjuku-ku, Tokyo Nippon Paper Industries Within the corporation
Claims (1)
ッドを用いたインクジェット記録方法に使用するインク
ジェット記録用紙において、該インクジェット記録用紙
が、基紙の一方の面に、ＢＥＴ比表面積２５０ｍ２／ｇ
〜５００ｍ２／ｇの合成シリカを８０重量％以上含む顔
料と、カゼイン及びスチレンブタジエンラバーを含む結
着剤とからなる塗工液から記録層を形成し、且つ上記顔
料と上記結着剤の重量比が顔料／結着剤の値で１．８〜
２．４であり、上記塗工液の固形分塗工量が１５〜２５
ｇ／ｍ２であって、前記記録層表面の十点平均粗さが
０．５〜５μｍの範囲であることを特徴とするインクジ
ェット記録用紙。1. An inkjet recording paper used in an inkjet recording method using an on-demand type head having a plurality of nozzles, wherein the inkjet recording paper has a BET specific surface area of 250 m 2 / g on one surface of a base paper.
A recording layer is formed from a coating liquid comprising a pigment containing 80% by weight or more of synthetic silica of about 500 m 2 / g and a binder containing casein and styrene-butadiene rubber, and the weight of the pigment and the binder. The ratio is a pigment / binder value of 1.8 to
2.4, and the coating amount of the solid content of the coating liquid is 15 to 25.
An inkjet recording paper having a g / m 2 and a ten-point average roughness on the surface of the recording layer in the range of 0.5 to 5 μm.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19527093A JP3295494B2 (en) | 1993-07-13 | 1993-07-13 | Inkjet recording paper |
| EP19940110847 EP0634285B1 (en) | 1993-07-13 | 1994-07-12 | Ink-jet recording paper, and ink-jet recording method |
| DE69409041T DE69409041T2 (en) | 1993-07-13 | 1994-07-12 | Ink jet recording paper and ink jet recording method |
| US08/274,024 US5567513A (en) | 1993-07-13 | 1994-07-12 | Ink-jet recording paper, and ink-jet recording method |
| ES94110847T ES2117176T3 (en) | 1993-07-13 | 1994-07-12 | PRINTING ROLE FOR INK JETS AND PRINTING METHOD FOR INK JETS. |
| US08/699,526 US5714235A (en) | 1993-07-13 | 1996-08-19 | Ink-jet recording method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19527093A JP3295494B2 (en) | 1993-07-13 | 1993-07-13 | Inkjet recording paper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0725136A true JPH0725136A (en) | 1995-01-27 |
| JP3295494B2 JP3295494B2 (en) | 2002-06-24 |
Family
ID=16338368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19527093A Expired - Fee Related JP3295494B2 (en) | 1993-07-13 | 1993-07-13 | Inkjet recording paper |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3295494B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012051267A (en) * | 2010-09-02 | 2012-03-15 | Hokuetsu Kishu Paper Co Ltd | Black-colored gloss type recording sheet for inkjet and method of manufacturing the same |
| US8420188B2 (en) | 2007-12-19 | 2013-04-16 | Kabushiki Kaisha Tokai Rika Denki Seisakusho | Resin member fitting structure and passenger compartment antenna device |
| JP2016074122A (en) * | 2014-10-06 | 2016-05-12 | 北越紀州製紙株式会社 | Inkjet printing paper |
| JP2018065389A (en) * | 2017-11-27 | 2018-04-26 | 北越紀州製紙株式会社 | Inkjet printing paper |
-
1993
- 1993-07-13 JP JP19527093A patent/JP3295494B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8420188B2 (en) | 2007-12-19 | 2013-04-16 | Kabushiki Kaisha Tokai Rika Denki Seisakusho | Resin member fitting structure and passenger compartment antenna device |
| JP2012051267A (en) * | 2010-09-02 | 2012-03-15 | Hokuetsu Kishu Paper Co Ltd | Black-colored gloss type recording sheet for inkjet and method of manufacturing the same |
| JP2016074122A (en) * | 2014-10-06 | 2016-05-12 | 北越紀州製紙株式会社 | Inkjet printing paper |
| JP2018065389A (en) * | 2017-11-27 | 2018-04-26 | 北越紀州製紙株式会社 | Inkjet printing paper |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3295494B2 (en) | 2002-06-24 |
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