JP4690006B2 - 孔版印刷用水性インキおよび孔版印刷方法 - Google Patents
孔版印刷用水性インキおよび孔版印刷方法 Download PDFInfo
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- JP4690006B2 JP4690006B2 JP2004294173A JP2004294173A JP4690006B2 JP 4690006 B2 JP4690006 B2 JP 4690006B2 JP 2004294173 A JP2004294173 A JP 2004294173A JP 2004294173 A JP2004294173 A JP 2004294173A JP 4690006 B2 JP4690006 B2 JP 4690006B2
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- water
- stencil printing
- ink
- copolymer
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- YWIVKILSMZOHHF-QJZPQSOGSA-N sodium;(2s,3s,4s,5r,6r)-6-[(2s,3r,4r,5s,6r)-3-acetamido-2-[(2s,3s,4r,5r,6r)-6-[(2r,3r,4r,5s,6r)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2- Chemical compound [Na+].CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](C(O)=O)O1 YWIVKILSMZOHHF-QJZPQSOGSA-N 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 229920003066 styrene-(meth)acrylic acid ester copolymer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 239000000988 sulfur dye Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000007651 thermal printing Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229960002622 triacetin Drugs 0.000 description 1
- JLGLQAWTXXGVEM-UHFFFAOYSA-N triethylene glycol monomethyl ether Chemical compound COCCOCCOCCO JLGLQAWTXXGVEM-UHFFFAOYSA-N 0.000 description 1
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000007762 w/o emulsion Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/023—Emulsion inks
- C09D11/0235—Duplicating inks, e.g. for stencil printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/12—Stencil printing; Silk-screen printing
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/24—Homopolymers or copolymers of amides or imides
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D135/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical, and containing at least another carboxyl radical in the molecule, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D135/08—Copolymers with vinyl ethers
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- Wood Science & Technology (AREA)
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- Inks, Pencil-Leads, Or Crayons (AREA)
Description
孔版原紙の製版・着版・排版動作、インキの供給動作や印刷動作等が自動制御された輪転式孔版印刷機は、デジタル孔版印刷機等の名称でオフィスや学校などで広く利用されている。
W/O型エマルションインキにより印刷された印刷物におけるインキの乾燥は、インキが被印刷体(印刷媒体)である印刷用紙の紙繊維の間へ浸透することと、紙繊維との接触によりエマルションが油相と水相に徐々に分離して、インキの主成分である水が大気と接触して蒸発することとにより進行すると考えられている。しかし、被印刷体に転移したインキ中の水は、印刷後の短時間のうちには大気と接触することができないため、印刷直後の乾燥性は浸透乾燥に頼ったものとなるところ、W/O型エマルションインキの粘度はある程度高く設計されているため、浸透速度は速くなく、そのため印刷直後のインキ乾燥性は充分とはいえなかった。
印刷物の乾燥を速めることは、孔版印刷にとって極めて重要な課題である。印刷物が乾燥しないと作業者はその印刷物を取り扱うことができず、孔版印刷の「短時間で高品質の印刷物を得る」利点が充分に活かされないからである。
そこで、本発明は、印刷後のインキの乾燥性に優れるとともに、印刷機を不使用状態で放置した後の再印刷において印刷画像のかすれを速やかに解消することができる孔版印刷用水性インキ、および、それを用いた孔版印刷方法を提供することを目的とする。
別の本発明は、上記本発明に係る孔版印刷用水性インキを用いる孔版印刷方法に関する。
具体的には、下記一般式(1):
(式中、R1,R2,R3はそれぞれ独立にH、CH3、(CH2)nCOOH(nは0または1の整数)を表す。)で示される不飽和カルボン酸の1種以上を好ましく用いることができる。さらに好ましくは、アクリル酸、メタクリル酸、無水マレイン酸、マレイン酸、フマル酸、クロトン酸、およびイタコン酸からなる群から選ばれる1種以上の不飽和カルボン酸を用いることができる。
これらの不飽和カルボン酸には、カルボキシル基が水溶性の塩の形態となっているもの、たとえば、ナトリウム塩、カリウム塩、アンモニウム塩、トリエタノールアミン塩等が含まれる。
具体的には、ビニルアミド系モノマーとしては、(メタ)アクリルアミド、メチル(メタ)アクリルアミド、ジメチル(メタ)アクリルアミド、エチル(メタ)アクリルアミド、ジエチル(メタ)アクリルアミド、ジメチルアミノプロピル(メタ)アクリルアミド、イソプロピル(メタ)アクリルアミド、ヒドロキシプロピル(メタ)アクリルアミド等の(メタ)アクリルアミドまたはその誘導体;ビニルピロリドン、イソプロペニルピロリドン等のビニルピロリドンまたはその誘導体;ビニルカプロラクタム、イソプロペニルカプロラクタム等のビニルカプロラクタムまたはその誘導体;ビニルアセトアミド等が挙げられる。なお、本明細書において、(メタ)アクリル酸、(メタ)アクリルアミド、(メタ)アクリレート等の記載は、アクリル酸とメタクリル酸またはそれらの各誘導体を意味する。
ヒドロキシル基含有アクリル酸エステル系モノマーとしては、ヒドロキシエチル(メタ)アクリレート、ヒドロキシプロピル(メタ)アクリレート、エチレングリコール(メタ)アクリレート、ジエチレングリコール(メタ)アクリレート、ポリエチレングリコール(メタ)アクリレート、グリコシルオキシエチル(メタ)アクリレート等が挙げられる。
以上のような第1モノマーと第2モノマーから構成される共重合体Aは、単独で用いられるほか、複数種のものを併用してもよい。
共重合体Aにおいて、カルボキシル基が塩の形態となっていない場合は、塩基が併用される。塩になっている場合は、塩基を添加する必要はない。塩基としては、水酸化カリウム、水酸化アンモニウム、水酸化ナトリウムのような無機塩基や低分子量アミン、アルカノールアミン、トリエタノールアミン、低濃度アンモニア等が使用できる。
本発明においては、上記の共重合体Aを用いることで、溶媒が水主体の状態でも高い増粘効果が維持され、少量の添加で所望の粘度が得られる。一方、この共重合体Aは、水が蒸発した後の水溶性有機溶剤中でも溶解状態を保つことが可能であり、したがって、放置後も溶剤吐きを防止できると考えられる。
任意に配合されるその他の水溶性高分子系増粘剤としては、たとえば、アラビアガム、カラギーナン、グアガム、ローカストビーンガム、ペクチン、トラガントガム、コーンスターチ、コンニャクマンナン、寒天等の植物系天然高分子;プルラン、キサンタンガム、デキストリン等の微生物系天然高分子;ゼラチン、カゼイン、にかわ等の動物系天然高分子;エチルセルロース、カルボキシメチルセルロース、ヒドロキシエチルセルロース、ヒドロキシプロピルセルロース、メチルセルロース、ヒドロキシプロピルメチルセルロース等のセルロース系半合成高分子;ヒドロキシエチルスターチ、カルボキシメチルスターチナトリウム、シクロデキストリン等のデンプン系半合成高分子;アルギン酸ナトリウム、アルギン酸プロピレングリコール等のアルギン酸系半合成高分子;ヒアルロン酸ナトリウム;ポリアクリル酸、ポリメタクリル酸、ポリクロトン酸、ポリイタコン酸、ポリマレイン酸、ポリフマル酸、アクリル酸−メタクリル酸共重合体、アクリル酸−イタコン酸共重合体、アクリル酸−マレイン酸共重合体、アクリル酸−アクリル酸エステル共重合体、アクリル酸−メタクリル酸エステル共重合体、アクリル酸−スルホン酸系モノマー共重合体、ポリビニルピロリドン、ポリビニルアルコール、ポリビニルメチルエーテル、ポリN−ビニルアセトアミド、ポリアクリルアミド、ポリエチレンオキサイド、ポリエチレンイミン、ポリウレタン等の合成高分子、を用いることができる。
粘土鉱物系の増粘剤としては、たとえば、モンモリロナイト、ヘクトライト、サポナイト等のスメクタイト系粘土鉱物を用いることができる。
任意に配合されるその他の増粘剤のインキ中の配合量は、好ましくは10重量%以下、より好ましくは5重量%以下、一層好ましくは2重量%以下である。
インキ中にアルカリ可溶性樹脂を含有させて、印刷用紙等の被印刷体への着色剤の定着剤等として用いることができる。着色剤として顔料を用いる場合は、顔料の分散剤としてアルカリ可溶性樹脂を用いることもできる。
アルカリ可溶性樹脂は、多量に含有させると印刷機の非使用後の印刷性能に支障をきたす恐れがあるため、インキ中に固形分換算で5重量%以下の範囲で含有させることが好ましく、より好ましくは3重量%以下である。
水中油(O/W)型樹脂エマルションとしては、たとえば、ポリ酢酸ビニル、エチレン−酢酸ビニル共重合体、酢酸ビニル−(メタ)アクリル酸エステル共重合体、ポリ(メタ)アクリル酸エステル、ポリスチレン、スチレン−(メタ)アクリル酸エステル共重合体、スチレン−ブタジエン共重合体、塩化ビニリデン−(メタ)アクリル酸エステル共重合体、ポリ塩化ビニル、塩化ビニル−酢酸ビニル共重合体、ポリウレタン等の樹脂エマルションを用いることができる。これらの2種以上を併用してもよい。
樹脂エマルションは、多量に含有させると印刷機の非使用後の印刷性能に支障をきたす恐れがあるため、インキ中に固形分換算で5重量%以下の範囲で含有させることが好ましく、より好ましくは2重量%以下である。
体質顔料としては、たとえば、白土、タルク、クレー、珪藻土、炭酸カルシウム、炭酸バリウム、硫酸バリウム、アルミナホワイト、シリカ、カオリン、マイカ、水酸化アルミニウムを用いることができ、これらの2種以上を併用してもよい。
体質顔料は、多量に含有させると被印刷体への着色剤の定着を阻害したり、印刷機の非使用後の印刷性能に支障をきたす恐れがあるため、5重量%以下の範囲で含有させることが好ましく、より好ましくは2重量%以下である。
インキの粘度やpHを調整するために、インキに電解質を配合することもできる。電解質としては、たとえば、硫酸ナトリウム、リン酸水素カリウム、クエン酸ナトリウム、酒石酸カリウム、ホウ酸ナトリウムが挙げられ、2種以上を併用してもよい。硫酸、硝酸、酢酸、水酸化ナトリウム、水酸化カリウム、水酸化アンモニウム、トリエタノールアミン等も、インキの増粘助剤やpH調整剤として用いることができる。
インキの粘度は、印刷装置の印圧等によってその適性範囲は異なるが、一般に、約0.5〜約20Pa・s(20℃、せん断速度100/sにおける粘度)であり、また、(擬)塑性流動性であることが孔版印刷用として適している。
用いられる孔版印刷機は、特に限定はされないが、操作性に優れる点からデジタル孔版印刷機を用いることが好ましい。
(実施例1)
着色剤としてカーボンブラック(三菱化学株式会社製「CF9」)5.0%、顔料分散剤としてヘキサグリセリルモノラウレート(日光ケミカルズ株式会社製「ヘキサグリン1−L」)1.0%、イオン交換水19.0%を混合し、ビーズミルで充分に分散させて顔料分散液を調製した。増粘剤としてアクリル酸ナトリウムとアクリルアミドとの共重合体(日本純薬株式会社製「レオジック835H」)1.0%をイオン交換水14.0%に溶解させ、これに先に調製した顔料分散液25.0%、水溶性有機溶剤としてジエチレングリコール25.0%、およびイオン交換水の残部(35.0%)を加えて混合して、実施例1のインキを得た。
表1に示す配合とした以外は実施例1と同様にして、各実施例のインキを得た。表1において、アクリル酸−ビニルピロリドン共重合体はISP社製「アクリリドンACP−1005」、無水マレイン酸−メチルビニルエーテル共重合体はISP社製「スタビリーゼQM」であり、アクリル酸−ビニルアセトアミド共重合体は昭和電工株式会社製「GE−167」である。また、ポリエチレングリコール#200は平均分子量が200の和光純薬工業株式会社製の試薬である。
(比較例1〜4)
表2に示す配合とした以外は実施例1と同様にして、各比較例のインキを得た。表2において、ポリアクリル酸ナトリウムは日本純薬株式会社製「レオジック250H」であり、アクリル酸−メタクリル酸アルキル共重合体はBFグッドリッチ社製「カーボポールETD2020」である。
得られた結果を、表1および表2に併せて示す。
これに対して、比較例1〜4のインキでは、放置により水が蒸発すると溶剤吐きが生じたため、100枚印刷を行っても画像が部分的に全く形成されず、画像全体を復帰させることができなかった。これは、溶剤吐きが生じたことで、版胴内のインキにおいて固形分の濃度が極端に上昇する箇所が部分的に生じ、その箇所でインキ粘度が著しく上昇し流動性が失われたため、部分的にインキが版を通過できなかったためと考えられる。
Claims (8)
- 不飽和カルボン酸である第1モノマーとビニルアミド系モノマー、およびビニルエーテル系モノマーからなる群から選ばれる第2モノマーとの共重合体を含む孔版印刷用水性インキ。
- 前記第1モノマーがアクリル酸、メタクリル酸、無水マレイン酸、マレイン酸、フマル酸、クロトン酸、およびイタコン酸からなる群から選ばれる1種以上の不飽和カルボン酸またはその塩を含む請求項2記載の孔版印刷用水性インキ。
- 前記第2モノマーがアクリルアミド、メタクリルアミド、アルキルビニルエーテル、ビニルピロリドン、およびビニルアセトアミドからなる群から選ばれる1種以上の重合性化合物を含む請求項1〜3のいずれか1項記載の孔版印刷用水性インキ。
- 前記共重合体として、アクリル酸とアクリルアミドとの共重合体、無水マレイン酸とメチルビニルエーテルとの共重合体、アクリル酸とビニルピロリドンとの共重合体、およびアクリル酸とビニルアセトアミドとの共重合体からなる群から選ばれる1種以上の共重合体またはその塩を含む請求項1記載の孔版印刷用水性インキ。
- ジエチレングリコール、トリエチレングリコール、テトラエチレングリコール、および平均分子量190〜210のポリエチレングリコールからなる群から選ばれる1種以上の水溶性有機溶剤を含む請求項1〜5のいずれか1項記載の孔版印刷用水性インキ。
- グリセリン、エチレングリコール、プロピレングリコールからなる群から選ばれる1種以上の第1溶剤と、ペンタエチレングリコール、β−チオジグリコール、および一般式R1O(CH2CH2O)nR2で表されるポリエチレングリコールアルキルエーテル(式中、R1は炭素数1〜4のアルキル基、R2はHまたは炭素数1〜2のアルキル基、3≦n≦5)からなる群から選ばれる1種以上の第2溶剤とを含む請求項1〜5のいずれか1項記載の孔版印刷用水性インキ。
- 請求項1〜7のいずれか1項記載の孔版印刷用水性インキを用いる孔版印刷方法。
Priority Applications (4)
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JP2004294173A JP4690006B2 (ja) | 2004-10-06 | 2004-10-06 | 孔版印刷用水性インキおよび孔版印刷方法 |
CNB2005101125132A CN100412145C (zh) | 2004-10-06 | 2005-09-30 | 孔版印刷用水性油墨以及孔版印刷方法 |
GB0520156A GB2418922B (en) | 2004-10-06 | 2005-10-04 | Water-based ink for stencil printing and stencil printing method |
US11/242,930 US20060074144A1 (en) | 2004-10-06 | 2005-10-05 | water-based ink for stencil printing and stencil printing method |
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JP2004294173A JP4690006B2 (ja) | 2004-10-06 | 2004-10-06 | 孔版印刷用水性インキおよび孔版印刷方法 |
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JP4690006B2 true JP4690006B2 (ja) | 2011-06-01 |
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US (1) | US20060074144A1 (ja) |
JP (1) | JP4690006B2 (ja) |
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JP4755817B2 (ja) * | 2004-10-06 | 2011-08-24 | 理想科学工業株式会社 | 孔版印刷用水性インキおよび孔版印刷方法 |
JP5080031B2 (ja) * | 2006-06-22 | 2012-11-21 | 理想科学工業株式会社 | インクジェット用水性インク組成物 |
US10400052B2 (en) | 2009-03-31 | 2019-09-03 | Isp Investments Llc | Polymers having N-vinyl amide and hydroxyl moieties, their compositions and the uses thereof |
JP7460520B2 (ja) * | 2018-04-27 | 2024-04-02 | 三菱ケミカル株式会社 | 水性インク |
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2004
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-
2005
- 2005-09-30 CN CNB2005101125132A patent/CN100412145C/zh not_active Expired - Fee Related
- 2005-10-04 GB GB0520156A patent/GB2418922B/en active Active
- 2005-10-05 US US11/242,930 patent/US20060074144A1/en not_active Abandoned
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JPS5558244A (en) * | 1978-10-24 | 1980-04-30 | Toyo Ink Mfg Co Ltd | Aqueous resin composition |
JPS5915461A (ja) * | 1982-07-16 | 1984-01-26 | Toyo Ink Mfg Co Ltd | 水性印刷インキ組成物 |
JPS63128011A (ja) * | 1986-10-21 | 1988-05-31 | ピーピージー・インダストリーズ・インコーポレイテッド | 紙およびポリ塩化ビニル印刷用水還元性アクリルポリマー |
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JP2005105121A (ja) * | 2003-09-30 | 2005-04-21 | Riso Kagaku Corp | 孔版印刷用水性インキおよび孔版印刷方法 |
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CN1757686A (zh) | 2006-04-12 |
GB2418922A (en) | 2006-04-12 |
US20060074144A1 (en) | 2006-04-06 |
JP2006104358A (ja) | 2006-04-20 |
CN100412145C (zh) | 2008-08-20 |
GB0520156D0 (en) | 2005-11-09 |
GB2418922B (en) | 2008-05-28 |
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