JP4051095B2 - Method for forming ink receiving layer - Google Patents
Method for forming ink receiving layer Download PDFInfo
- Publication number
- JP4051095B2 JP4051095B2 JP35159895A JP35159895A JP4051095B2 JP 4051095 B2 JP4051095 B2 JP 4051095B2 JP 35159895 A JP35159895 A JP 35159895A JP 35159895 A JP35159895 A JP 35159895A JP 4051095 B2 JP4051095 B2 JP 4051095B2
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- JP
- Japan
- Prior art keywords
- ink
- receiving layer
- ink receiving
- water
- recording
- 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
- 238000000034 method Methods 0.000 title claims description 10
- 229920003169 water-soluble polymer Polymers 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 6
- 239000011358 absorbing material Substances 0.000 claims description 3
- 230000000740 bleeding effect Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000005507 spraying Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000000576 coating method Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 239000000049 pigment Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000004606 Fillers/Extenders Substances 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- -1 hydroxycellulose Polymers 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229920003176 water-insoluble polymer Polymers 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920002101 Chitin Polymers 0.000 description 1
- 229920001661 Chitosan Polymers 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 229920002433 Vinyl chloride-vinyl acetate copolymer Polymers 0.000 description 1
- 235000010724 Wisteria floribunda Nutrition 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 description 1
- 229920006322 acrylamide copolymer Polymers 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000005018 casein Substances 0.000 description 1
- 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 description 1
- 235000021240 caseins Nutrition 0.000 description 1
- 239000012461 cellulose resin Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000000025 natural resin Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 238000001454 recorded image Methods 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Landscapes
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Description
【０００１】
【発明の属する技術分野】
本発明は、インク受容層の形成方法に関する。
【０００２】
【従来の技術】
紙はインク吸収性を有するが、それ自体に水性インクで記録した場合にはインク滲みは避けられない。紙内部は繊維状となっておりその形状に沿ってインクが浸透していくと考えられるからである。
【０００３】
そこで、記録後のインクが滲まないように紙表面にインク受容性を有する樹脂等からなる塗料をコーティングすることによりインク受容性塗膜を形成することができる。かかる処理後にあっては、もはやインクの滲みが発生することはない。
【０００４】
しかし、コーティングによる方法では生産コストがかかり、少量生産には向かない。特に布や普通紙等が一旦５〜５０ｍ程度に小巻きしロール化された後に、あるいは既に断裁されてＡ列系、Ｂ列系等のサイズにシート化された後にかかる処理を施すことは困難極まりない。さらに場合によっては局部的にインク吸収性を向上させたい場合もある。
【０００５】
また、通常のインクジェット用記録シートは、基材上にインク受容層を直接（特開昭６０−４４３８６号）若しくはアンカーコート層を介して設けたもの（特開昭６２−１３４２８５号）のいずれかであり、記録後にはインクがインク受容層に吸収されてしまう。従って、記録後に記録画像や文字の部分的な修正を望む場合はインク受容層ごと除去するしかない。
【０００６】
しかし、一旦インク受容層を除去すると、その後の再記録は不可能である。
【０００７】
【発明が解決しようとする課題】
本発明の第一の目的は、少量生産でもコスト高とならず、しかも既に小巻きのロール化あるいはシート化されたものであっても迅速かつ効率的にインク受容層を形成する方法を提供することにある。
【０００８】
また、本発明の第二の目的は、通常のインクジェット記録シートに記録後に修正を余儀なくされる場合であっても、当該修正部分に効率的にインク受容層を形成する方法、あるいは部分的にインク吸収性を向上させる方法を提供することにある。
【０００９】
【課題を解決するための手段】
上記課題は以下の手段によって解決される。即ち、本発明のインク受容層の形成方法は、既に小巻きロール化されたあるいは既にシート化されたインク吸収性を有する材料表面に、少なくとも水溶性高分子と溶媒からなるインク受容層用溶液を散布し、厚さ１μｍ以下のインク受容層を形成することを特徴とする。また、既に小巻きロール化又はシート化されたインク吸収性を有する材料表面に記録し、修正を望む部分を修正した後、当該部分に少なくとも水溶性高分子と溶媒からなるインク受容層用溶液を散布し、厚さ 1 μｍ以下のインク受容層を形成することを特徴とする。
【００１０】
【発明の実施の形態】
以下、本発明のインク受容層の形成方法について説明する。
【００１１】
本発明の処理の対象となる材料は、既に５〜５０ｍ程度に小巻きにロール化あるいは既にＡ列系、Ｂ列系等にシート化された合成紙、和紙、布地、テント地、フィルム等で特にインクジェット用の加工が施されておらず、かつ記録用インクを吸収しうる材料であればいずれのものでもよく、また、それ自体インク吸収性を有するが、インク滲みを完全に防止できない材料であってもよい。
【００１２】
インク受容層用溶液は、主として水溶性高分子及び溶媒から構成される。また必要に応じて耐水化された水溶性高分子または非水溶性高分子等の高分子化合物や体質顔料、紫外線吸収剤、酸化防止剤、レベリング剤等の添加剤を混合したものであってもよい。
【００１３】
水溶性高分子としては、ポリビニルアルコール、ポリビニルピロリドン、ヒドロキシセルロース、メラミン樹脂、アクリル酸、アクリル酸エステル、アクリルアミド共重合体等の合成樹脂やゼラチン、カゼイン、でんぷん、キチン、キトサン等の天然樹脂が挙げられる。
【００１４】
耐水化された水溶性高分子としては、水溶性高分子とイオン結合、配位結合、共有結合、水素結合等により反応させたものが挙げられる。
【００１５】
非水溶性高分子としては、スチレンマレイン酸共重合物、塩化ビニル酢酸ビニル共重合体、アクリル樹脂、セルロース樹脂、ポリビニルアセタールなどが挙げられる。
【００１６】
一方、形成後の塗膜のインク吸収性を向上させるためには、体質顔料等の添加を必須にするのが好ましいのだが、スプレーノズルの詰まりを防止する観点から、顔料を添加しないのが好ましい。
【００１７】
更に、溶媒としては、水、アルコール、グリコールエステル類、ケトン類等が挙げられる。
【００１８】
樹脂以外に顔料等の添加剤を添加する場合は、これらの混合割合は、使用目的等に従って適宜選択できる。
【００１９】
本発明における散布手段としては、スプレー法や、インクジェットプリンタヘッドからの吹き付け、特にインクジェットプリンター内にインク受容層用溶液を保存できるカートリッジのようなものを形成しておき、普通紙等をセット後、印字前に印字に必要な部分のみにインクジェットプリンタヘッドからインク受容層用溶液を散布して当該普通紙等の表面にインク受容層を形成後、印字するようにしたものが好ましい。このようにプリンタ自体にインク受容層用溶液を保存できるカートリッジのようなものを予め設けておけば、印字に必要のない部分にはインク受容層を形成する必要はなくなるので、効果的にインクの滲みを抑えることができるばかりでなく、非常に経済的である。
【００２０】
散布後形成されるインク受容層の厚さは、適宜選択しうるが、通常は１μｍも形成すれば十分である。もともとインク吸収性のある基材の滲みを抑えることを目的とするものだからであり、またあまりに散布しすぎるとインク受容性は向上していくが、基材の風合いを損なうこととなり好ましくないからである。
【００２１】
なお、散布は対象とする基材の全面のみならず、局部的に行うこともできる。即ち、必要に応じて必要な部分にのみ散布することにより、局部のみのインクの滲み防止処理も可能である。例えば、シート上のある一部分のみ、連続ロールの一部分のみに処理する場合である。また、当該インク受容層を形成することにより、水性スタンプや朱肉による捺印特性も向上できる。
【００２２】
【実施例】
以下、本発明について実施例によりさらに詳細に説明する。なお、「部」は特記しない限り重量基準である。
【００２３】
［実施例１］
処理の対象として和紙を用い、またインク受容層用塗料として以下の組成のものを作製し、スプレー管に納めた後、和紙にスプレー散布した。
【００２４】
＜インク受容層用溶液＞
・ポリビニルアルコール（鹸化度78.5〜81.5％）１０部
（ゴーセノールＫＬ−０５：日本合成化学工業社）
・メタノール １０部
・水 ８０部
【００２５】
［実施例２］
実施例１のインク受容層用溶液の組成にシリカ（サイリシア４３５：富士シリシア化学社）５部を加えた他は、実施例１と同様にして処理後のインク受容シートを得た。
【００２６】
上述の実施例１、２に加えて、比較例として未処理の和紙上にインクジェットプリンタ（ＢＪＣ６００Ｊ：キャノン社）を用いて印字した。実施例のものはいずれもインク画像の滲みは生じなかったが、比較例の何も処理していない和紙にあっては、記録後のインク画像に滲みを生じた。
【００２７】
【発明の効果】
以上のように本発明によれば、既に小巻きロール化あるいは既にシート化されている材料であっても、必要に応じて必要な部分にインク受容層を形成でき、また通常のインクジェット記録シートに記録後、ある部分の修正を余儀なくされる場合にあっても、修正後に当該修正部にインク受容層用溶液を散布することにより、再記録が可能になるという効果を有する。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method for forming an ink receiving layer.
[0002]
[Prior art]
Paper has ink absorptivity, but ink bleeding is unavoidable when it is recorded with aqueous ink. This is because the inside of the paper is in the form of fibers and it is considered that the ink permeates along the shape.
[0003]
Therefore, an ink-receptive coating film can be formed by coating the paper surface with a paint made of a resin having ink receptivity so that the ink after recording does not bleed. After such treatment, ink bleeding no longer occurs.
[0004]
However, the coating method requires production costs and is not suitable for small-scale production. In particular, it is difficult to perform such a process after cloth or plain paper is once rolled into a small roll of about 5 to 50 m, or after being cut into sheets such as A-row and B-row. There is no limit. Further, in some cases, it may be desired to improve ink absorbability locally.
[0005]
In addition, a normal inkjet recording sheet is either a substrate on which an ink receiving layer is directly provided (Japanese Patent Laid-Open No. 60-44386) or an anchor coat layer (Japanese Patent Laid-Open No. 62-134285). Ink is absorbed by the ink receiving layer after recording. Therefore, if it is desired to partially correct the recorded image or characters after recording, the ink receiving layer can only be removed.
[0006]
However, once the ink receiving layer is removed, subsequent re-recording is impossible.
[0007]
[Problems to be solved by the invention]
The first object of the present invention is to provide a method for forming an ink-receiving layer quickly and efficiently even if it is produced in a small amount and does not increase the cost, and even if it is already formed into a small roll or sheet. There is.
[0008]
In addition, the second object of the present invention is to provide a method for efficiently forming an ink receiving layer on a corrected portion or a partial ink even when correction is unavoidable after recording on a normal ink jet recording sheet. The object is to provide a method for improving the absorbability.
[0009]
[Means for Solving the Problems]
The above problem is solved by the following means. That is, in the method for forming an ink receiving layer of the present invention, an ink receiving layer solution comprising at least a water-soluble polymer and a solvent is applied to the surface of an ink-absorbing material that has already been rolled into a small roll or already formed into a sheet. It is sprayed to form an ink receiving layer having a thickness of 1 μm or less . In addition, after recording on the surface of the ink-absorbing material that has already been made into a small roll or sheet, and correcting the portion desired to be corrected, an ink receiving layer solution comprising at least a water-soluble polymer and a solvent is applied to the portion. It is sprayed to form an ink receiving layer having a thickness of 1 μm or less.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the method for forming the ink receiving layer of the present invention will be described.
[0011]
The material to be treated in the present invention is a synthetic paper, Japanese paper, fabric, tent fabric, film, etc., which has already been rolled into a small roll of about 5 to 50 m or already formed into a sheet of A-line or B-line. In particular, any material that is not subjected to inkjet processing and can absorb recording ink may be used. In addition, the material itself has ink absorptivity but cannot completely prevent ink bleeding. There may be.
[0012]
The ink receiving layer solution is mainly composed of a water-soluble polymer and a solvent. In addition, water-resistant polymers or water-insoluble polymers such as water-soluble polymers and extender pigments, UV absorbers, antioxidants, leveling agents, and other additives may be mixed as necessary. Good.
[0013]
Examples of water-soluble polymers include synthetic resins such as polyvinyl alcohol, polyvinyl pyrrolidone, hydroxycellulose, melamine resin, acrylic acid, acrylic ester, acrylamide copolymer, and natural resins such as gelatin, casein, starch, chitin, and chitosan. It is done.
[0014]
Examples of water-resistant polymers that have been water-resistant include those obtained by reacting water-soluble polymers with ionic bonds, coordinate bonds, covalent bonds, hydrogen bonds, and the like.
[0015]
Examples of the water-insoluble polymer include styrene maleic acid copolymer, vinyl chloride vinyl acetate copolymer, acrylic resin, cellulose resin, and polyvinyl acetal.
[0016]
On the other hand, in order to improve the ink absorptivity of the coating film after formation, it is preferable to add an extender pigment or the like, but it is preferable not to add a pigment from the viewpoint of preventing clogging of the spray nozzle. .
[0017]
Furthermore, examples of the solvent include water, alcohol, glycol esters, and ketones.
[0018]
When an additive such as a pigment is added in addition to the resin, the mixing ratio can be appropriately selected according to the purpose of use.
[0019]
As a spraying means in the present invention, a spray method, spraying from an ink jet printer head, in particular, forming a cartridge that can store an ink receiving layer solution in an ink jet printer, after setting plain paper, It is preferable that the ink receiving layer solution is sprayed from an ink jet printer head only on a portion necessary for printing before printing to form an ink receiving layer on the surface of the plain paper and then printed. Thus, if the printer itself is previously provided with a cartridge that can store the ink receiving layer solution, it is not necessary to form an ink receiving layer in a portion that is not required for printing. Not only can bleeding be suppressed, it is also very economical.
[0020]
The thickness of the ink receiving layer formed after spraying can be selected as appropriate, but it is usually sufficient to form 1 μm. This is because it originally aims to suppress bleeding of the ink-absorbing base material, and if it is sprayed too much, the ink acceptability will be improved, but the texture of the base material will be impaired, which is not preferable. is there.
[0021]
The spraying can be performed not only on the entire surface of the target substrate but also locally. That is, it is possible to prevent the ink from spreading only in the local area by spraying only the necessary portions as necessary. For example, it is a case where only a certain part on a sheet and only a part of a continuous roll are processed. In addition, by forming the ink receiving layer, it is possible to improve the stamping characteristics by water-based stamp or vermilion.
[0022]
【Example】
Hereinafter, the present invention will be described in more detail with reference to examples. “Part” is based on weight unless otherwise specified.
[0023]
[Example 1]
Japanese paper was used as the object of the treatment, and a paint having the following composition was prepared as an ink-receiving layer coating material, placed in a spray tube, and sprayed on the Japanese paper.
[0024]
<Solution for ink receiving layer>
-10 parts of polyvinyl alcohol (saponification degree: 78.5-81.5%) (Gohsenol KL-05: Nippon Synthetic Chemical Industry Co., Ltd.)
・ Methanol 10 parts ・ Water 80 parts 【0025】
[Example 2]
A treated ink receiving sheet was obtained in the same manner as in Example 1 except that 5 parts of silica (Silicia 435: Fuji Silysia Chemical) was added to the composition of the ink receiving layer solution of Example 1.
[0026]
In addition to Examples 1 and 2 described above, printing was performed on untreated Japanese paper as a comparative example using an inkjet printer (BJC600J: Canon Inc.). In any of the examples, no bleeding of the ink image occurred, but in the Japanese paper of which no processing was performed in the comparative example, bleeding occurred in the ink image after recording.
[0027]
【The invention's effect】
As described above, according to the present invention, an ink receiving layer can be formed in a necessary portion as needed even in a material that has already been made into a small roll or already in a sheet, and can be used for a normal ink jet recording sheet. Even when correction of a certain part is unavoidable after recording, it is possible to re-record by spraying the ink receiving layer solution on the correction part after correction.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35159895A JP4051095B2 (en) | 1995-12-26 | 1995-12-26 | Method for forming ink receiving layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35159895A JP4051095B2 (en) | 1995-12-26 | 1995-12-26 | Method for forming ink receiving layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09173964A JPH09173964A (en) | 1997-07-08 |
| JP4051095B2 true JP4051095B2 (en) | 2008-02-20 |
Family
ID=18418357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP35159895A Expired - Fee Related JP4051095B2 (en) | 1995-12-26 | 1995-12-26 | Method for forming ink receiving layer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4051095B2 (en) |
-
1995
- 1995-12-26 JP JP35159895A patent/JP4051095B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09173964A (en) | 1997-07-08 |
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