Penetration Inhibitor, Solvent Inkjet Ink, And Penetration Inhibiting Method

Penetration Inhibitor, Solvent Inkjet Ink, And Penetration Inhibiting Method

【Subject】 Penetration Inhibitor, Solvent Inkjet Ink, And Penetration Inhibiting Method

【Abstracts】 The Object Of The Invention Is To Provide A Penetration Inhibiting Method For Sufficiently Preventing The Penetration Of Ink Into A Print Medium Even When The Inkjet Printing Is Performed To The Print Medium Having A Hydrophilic Porous Surface, And To Provide A Penetration Inhibitor Used In The Method And A Solvent Ink Containing The Penetration Inhibitor. As Means To Resolve The Object, There Is Provided A Penetration Inhibitor, To Be Added To An Inkjet Solvent Ink For Preventing The Penetration Of The Solvent Ink Into A Print Medium, Comprising An Organic-Solvent-Soluble Resin And Inorganic Fine Particles.

【Explanation】 Anti-Penetrant, Solvent Ink And Impervious TECHNICAL FIELD The Present Invention Relates To Anti-Infiltration And Anti Penetrant And Solvent Ink Containing Anti-Penetrant. BACKGROUND Solvent Ink Jet Printing Is Widely Used On Billboards Or Large Posters And Other Signage Printing. Solvent Ink Is Usually An Organic Solvent (E.G., Glycol Ethers, Cyclohexanone) As A Main Component, And Further Containing A Dye * Pigment And A Binder Resin, A Colorant And The Like Composition. Using The Solvent Ink Jet Printing The Printed Matter Obtained By The Following Method. First, The Solvent Ink Is Ejected From The Inkjet Head, Fall On The Printing Medium To Form An Image. Then, The Solvent Fell Printing Medium In The Ink Solvent Is Absorbed Into The Printing Medium, The Printing Medium Or Heat, And Thus The Solvent Was Removed From The Printing Surface. Thus, Adhesion Of The Ink Was Dry To The Printing Surface, The Ink Film Is Formed To Obtain A Printed Matter. The Solvent Used As An Ink Jet Printing A Printing Medium, Typically With A Solvent Absorbent Such As Polyvinyl Chloride Sheet Or Linoleum. In Recent Years, In Addition To These Print Media, The Paper For Ink Jet, Offset Printing Plates In A Hydrophilic Porous Surface Such As A Printing Surface Of The Printing Medium, But Also By Using A Solvent Inkjet Printing Ink To Print. As Such A Solvent For Ink Jet Printing Inks, For Example, It Is Known In Patent Document L Containing The Resin Particles Described In The Ink Solvent, Patent Document 2 Having A Glass Transition Temperature (Tg) Of 4 (TC Hydrophobic Polymerizable Above Solvent Ink Material, Patent Documents 3 To 5, Wherein The Solvent Added To The Specific Resin Ink. [Patent Document L] Japanese Patent Laid-Open Publication No. 2001-311023 [Patent Document 2] Japanese Patent Laid-Open Publication No. 2004-224910 [Patent Document 3] Japanese Unexamined Patent Application Publication No. 6-240192

[Patent Document 4] Japanese Unexamined Patent Application Publication No. 10-140060 [Patent Document 5] Japanese Unexamined Patent Application No. 10-195356 DISCLOSURE OF THE INVENTION Problems To Be Solved By The Invention However, In The Patent Document L ~ 5 Described In The Ink Solvent, And The Resulting Images Are Easily Generated Blotting Of The Ink, Thereby Using The Conventional Solvents For Offset Printing Inks For Inkjet Printing Plate, Since The Ink Penetration Into The Printing Medium, So The Formation Of Coating The Printed Surface Of The Ink Becomes Small, Whereby The Offset Can Not Be Sufficiently Obtained In The Ink Film To Ensure The Water Resistance, Water Resistance. And, There Is A Problem: A Small Amount Of The Ink Film In Offset Offset Printing, Offset Printing Ink For Offset Poor Adhesion, Printing Durability Can Not Be, Therefore, Object Of The Present Invention Is To Provide Even Having A Hydrophilic Porous Surface Of A Printing Medium For Inkjet Printing, The Ink Can Be Sufficiently Prevented The Printed Medium Penetration Permeation Method, And The Method For Anti-Penetrant, Wetting Agent And A Solvent Containing The Anti-Ink. For Solving The Problems In Order To Achieve The Above Object, The Present Invention Is To Provide A Printing Medium Against Penetrant, Which Consists Of An Organic Solvent-Soluble Resin, And Inorganic Fine Particles Composed Of The Anti-Wetting Agent Used In Addition To A Solvent Inkjet Ink. The Present Invention, Anti-Wetting Agent, Can Be Obtained Even For A Hydrophilic Porous The Surface Of The Printing Medium For Inkjet Printing, But Also To Sufficiently Prevent Penetration Of The Ink To The Printing Medium, A Solvent Ink And, Further, The Use Of The Present Invention Containing Anti-Solvent Penetrant Ink On Offset Printing Plates For Inkjet Printing, To Prevent Penetration Of The Ink To The Plate, Formed In The Printed Surface Of The Increased Amount Of The Ink Film, Whereby The Ink Film Can Be Fully Ensure The Water Resistance And Water Resistance Of The Offset, And, In Such An Offset Is Used To Offset The Printing, Offset Printing Can Be Sufficiently Ensured Adhesion Of Ink For Offset Resistance And Excellent Printing Durability. Penetrant The Present Invention Can Be Obtained Against The Effect Of The Above-Described Reasons May Not Be Clear, "F Dan" ^ Man That Causes At Least, A Solvent-Soluble Wins For The Initial Few Talented Month T Inorganic Fine Particles Intended To Be Used In Combination With This Point, The Above Resin Is Preferably A Rosin-Based Resin, More Preferably A Rosin-Modified Phenolic Resin, Whereby The Present Invention Can Improve The Anti-Wetting Agent The Printing Medium Against The Penetration Effect Of Inorganic Particle Is Preferably A Child I Hydrophobized Silica Fine Particles, Whereby The Anti-Wetting Agent In A Solvent Containing The Offset Printing Ink For Inkjet Printing Plate, Increasing The Resulting Offset The Printing Resistance. Said Print Medium Is Preferably A Hydrophilic Porous Surface As A Printing Surface Of The Printing Medium, More Preferably Offset Printing Plates. Preclude The Use Of Such A Printing Medium, In Order To Achieve A Higher Level Of Penetration Effect Against This Invention, A Solvent Inkjet Ink Of The Present Invention Containing The Anti-Wetting Agent, And Preferably A Hydrophilic Porous Surface Is Used As A Printing Surface Of The Printing Medium So That The Solvent Ink Jet, Even For Such An Inexpensive Inkjet Paper Such Hydrophilic Porous Surface As A Printing Surface Of The Printing Medium For Inkjet Printing, Since The Anti-Penetration Effect, So That The Resulting Image Less Ink Bleeding. Further, The Present Invention Provides An Anti-Infiltration, Which Prevents The Ink Ink Solvent Penetration Of The Printing Medium In Said Ink Jet Ink Comprising A Solvent For The Organic Solvent-Soluble Resin, And Inorganic Particulates. Using The Method Of The Present Invention, Anti-Penetration, The Use Of A Penetrant Such As An Anti-Organic Solvent-Soluble Resin And Inorganic Fine Particles, And Therefore Have Excellent Anti-Penetration Effect Of The Present Invention The Method Impermeable To Ink-Jet Ink With A Solvent Based On The Total Mass Of The Resin, And The Total Content Of The Inorganic Fine Particles Is Preferably From 5 To 25 Mass% To The Total Mass Of The Solvent Based Inks, Resins, And The Total Content Of The Inorganic Fine Particles Is Less Than 5% By Mass, As Compared With In The Above Range, In The Anti-Penetration Effect Tends To Decrease. Furthermore, The Ink Solvent Total Mass Of The Resin, And The Total Content Of Inorganic Fine Particles Exceeds 25 Mass%, As Compared With In The Above Range, The Viscosity Of The Solvent Ink Is High, The Discharge Stability Is Lowered. According To The Present Invention, Even In A Having A Hydrophilic Porous Surface Of A Printing Medium For Inkjet Printing, The Ink Can Be Sufficiently Prevented Penetration Of The Printing Medium In The Air Permeation Preventive Method, And The Method For Anti-Wetting Agent, And A Solvent Containing The Anti-Penetrant Ink Description Of Embodiments Hereinafter, The Present Invention Is Suitable For The Embodiment Described In Detail, But The Present Invention Is Not Limited To The Embodiment Described Below. Anti> Fathom Agent Added To The Present Invention For The Solvent In The Ink Jet, The Printing Medium By The Anti-Penetrating Organic Solvent-Soluble Resin, And Inorganic Child I Grain Composition. Of Organic Solvent-Soluble Resin Is Preferably A Solvent For The Ink Commonly Used Solvent-Soluble Resin And As Specific Examples Include Rosin-Based Resins, (Styrene) Acrylic Resins, Epoxy Resins, Polyester Resins, Modified And / Or Non-Modified Olefin Resins, Silicone Resins, Urethane Resins, Terpene Resins, Petroleum Resins, Polyamide Resins , Cellulose, Which Is Preferably A Rosin-Based Resin By Using A Rosin-Based Resin, And Further Improve The Ink To The Printing Medium To Prevent The Penetration Of Effect. Rosin-Based Resin Refers To A Resin, Modified Rosin, There May Be Mentioned As Specific Examples Of The Rosin Ester Resin , Rosin Modified Phenolic Resins, Rosin-Modified Maleic Acid Resin, Rosin Modified Alkyd Resin. Among Them, A Solvent Commonly Used In Ink Exhibits Excellent Solubility In A Solvent, The Solvent And The Display Starting The Ink Ejection Stability, Rosin Modified Phenolic Resin Is Particularly Preferred. By Using A Rosin-Modified Phenolic Resin, Can Be More Highly Effect Of Preventing Penetration Of Ink To Effect The Printing Medium. Organic Solvent-Soluble Resin Has A Weight Average Molecular Weight Of Preferably 16,000 To 50,000, More Preferably 25000 - 40000, More Preferably 26000 - 37000. For Organic Solvent-Soluble Resin Has A Weight Average Molecular Weight Of Less Than 16000, As Compared With In The Above Range, In The Anti-Penetration Effect Tends To Decrease. Addition, Organic Solvent-Soluble The Resin Has A Weight Average Molecular Weight Exceeds 50,000, As Compared With In The Above Range, The Ink Is Ejected From The Inkjet Head Tends To Decrease In Ejection Stability. In The Present Specification, The Weight Average Molecular Weight Means: Using GPC ( Gel Permeation Chromatography) Analyzer (HLC-8220GPC, TOSOH CORPORATION Ltd.) Column Used Was Shodex KF-800D And KF-805L (2 Roots), Using THF As The Eluent Measured Polystyrene Equivalent Weight Average Molecular Weight (Mw ). Such Organic Solvent-Soluble Resins May Be Used Alone, Or Any Two Or More Kinds May Be Used In Combination As The Inorganic Fine Particles Include Fine Particles Such As Silica, Alumina Particles, Titanium Oxide Fine Particles, Zinc Oxide Fine Particles , Carbon Black Fine Particles, Magnetite, Hematite, Barium Titanate, Magnesium Titanate, Calcium Titanate, Mica, Clay, Chromium Oxide, Magnesium Oxide, Calcium Carbonate, Silicon Carbide, Of Which The Silica Fine Particles Is Preferably Oxide, Alumina Particles, Titanium Oxide Fine Particles And Zinc Oxide Fine Particles And These Particles Are Preferably Hydrophobized By The Particles Of A Hydrophobic, Organic Solvent To Improve The Dispersibility And Affinity With The Resin, These Particles Can Be Hydrophobic Treatment Using A Silane Coupling Agent, A Titanate Coupling Agent, Polysiloxane, Disilazane, And Silicone Oil In General To Carry Out The Hydrophobic Treatment Agent, Ie, The Hydrophobic Treatment Agent Adhered To The Surface Of The Inorganic Fine Particles, Having A Hydrophobic Functional Group Treatment Agent Functional Group Manipulation Of The Surface Of The Inorganic Fine Particle Group Response (E.G., Dehydration Condensation), Which Can Be Hydrophobized Inorganic Fine Particles Include, For Example A Spherical Shape, Cylindrical, Needle, Amorphous In Which The Preferred Spherical Substance Average Primary Particle Diameter Of The Inorganic Fine Particles Is Preferably As Small As Possible, For Example, Preferably 10 ~ 100nm, More Preferably 10 ~ 30nm. Inorganic Particles Have An Average Primary Particle Size Is More Than 100nm, As Compared With In The Above Range, The Ink Jet The Ejection Stability Is Tends To Decrease As The Hydrophobic Fine Particles Of Silica, Titanium Oxide Fine Particles, Zinc Oxide Particles And Alumina ^ F Drum Tablets, Commercially Available Materials As Hydrophobized Carbon ^ F Dagger Stone Gui "Drum 4 Stand, Can Be ^ F Officials Use Cases ^ Mouth R972, R976, RY200, RX300 (Trade Name, NIPPON AEROSIL CO., LTD. Manufactured), TG308F, TG709F, TG810G (Trade Name, Cabot Corporation Manufacture, Use Gui Polydimethyl Siloxane Such As Surface-Treated Silica Fine Particles), H2050EP, H2000 / 4, H30TM, H30TD (Trade Name, Clariant Corporation Manufactured Through The Six Yue Group Disilazane, Di Yue Dichloride Silanes, Such As Polydimethylsiloxane Processed Gui Dioxide Particles), Etc., Can Be Used NANOBYK-3650 (Trade Name, BYK-Chemie Japan Manufactured Treated With Polysiloxane Dispersion Of Silica Fine Particles Liquid) Dispersed In A Solvent Such As Silica Fine Particles Of The Material As Hydrophobized Titanium Oxide Fine Particles, May Be Used For Example, TTO-55 (Trade Name, Manufactured By Ishihara Sangyo), STT-30A (Trade Name, Titan Kogyo Kabushiki Kaisha Manufacturing ) As A Hydrophobic Zinc Oxide Children I Of Tablets, For Example, Can Be ^ Officials ZnO-310 (Trade Name, SUMITOMO OSAKA CEMENT CO., LTD. Ltd.) As A Hydrophobic Fine Particles Of Alumina, May Be Used Such As NANOBYK-3610 ( Product Name, BYK-Chemie Japan Manufactured Treated With Polysiloxane Dispersion Of Silica Fine Particles) Dispersed In A Solvent Such As Alumina Particulate Material So That The Non-Product D L Drum Grain Species May Be Used Alone , Also Can Be Any Combination Of Two Or More Thereof. Anti Penetrant Content Of The Inorganic Fine Particles Relative To The Total Amount Of The Organic Solvent-Soluble Resin Is Preferably 2 To 20% By Mass Of Inorganic Fine Particles Exceeds 20% By Mass, And The Than The Above Range, The Ink Jet Tends To Decrease In Ejection Stability In The Ink Containing Anti-Solvent Penetrant To Total Mass Of The Ink Solvent, Preferably 5 To 25 Mass%, More Preferably 10 To 20 Mass% . To Total Mass Of The Ink Solvent, Anti-Wetting Agent Content Is Less Than 5% By Mass, As Compared With In The Above Range, In The Anti-Penetration Effect Tends To Decrease. Furthermore, The Total Mass Of The Ink Solvent, Anti-Wetting Agent Content Exceeds 25 Mass%, The Comparison In The Above Range, The Viscosity Of The Solvent Ink Is High, The Discharge Stability Is Lowered. Against Penetrating Solvent Is Preferably Used As An Inkjet Ink Composition Rather Than The Above-Mentioned Rosin-Based Resin Together With A Polymer Resin Component In Which The Polymer Resin Component Means: The Above Analyzer As Measured By GPC Weight Average Molecular Weight Of 8,000 Or More (Preferably 10,000 Or More, More Preferably 15,000 Or More) Of The Material. Further, The For Example, Anti-Wetting Agent May Be Contained In The Embodiment Described Later Inkjet Solvent Ink. Prevention; Fathom The Method Of The Present Invention Is To Prevent The Permeation Method Using A Solvent Ink Jet Penetration Of The Printing Medium Against Infiltration, Wherein Said Inkjet Ink Contains A Solvent For The Organic Solvent-Soluble Resin, And Inorganic Particulates. Impermeable To The Present Invention The Method Of A Printing Medium Is Not Particularly Limited, And The Use Of The Offset Printing Plate, The Following Reasons Can Be Significantly The Effect That, In The Conventional Photosensitive Resin Film Using An Offset Printing, Using A Surface Having A Hydrophilic Surface (Non-Image Portion) And A Hydrophobic Surface (Image Portion) Of The Offset. Thus, Only The Attachment Surface Of The Hydrophobic Printing Ink, The Hydrophilic Surface Of The Adhesion Of The Hydrophilic Wetting Fluid Printing Ink Is Not Adhered In This State, Only Attached To The Hydrophobic Surface Of The Ink Transferred To The Printing Medium Indirectly, To Obtain A Printed Matter. Among Them, "Wetting Fluid, Means Water And IPA (Isopropyl Alcohol), Etc. And Mixtures Thereof. Use Of The Wetting Liquid Hydrophilic Wetting Offset Position, Thereby Preventing The Printing Ink Is Adhered To The Hydrophilic Moiety. To Hydrophilic Surface Plate For Offset Printing And The Formation Of Offset Printing Ink, The Ink Is Formed By The Inkjet Printing Corresponds To The Hydrophobic Surface Coating, The Other Portion Corresponds To The Affinity Surface. At This Time, If The Ink Penetrate Into The Version Timber, The Ink Film Becomes Small, It Can Not Adequately Ensure That The Ink Coating Film To Bring The Water Resistance And Water Resistance. Further, In The Small Amount Of Offset Ink Coating For Offset Printing, The Adhesion Of Printing Inks To Offset Poor And, Further, Because The Ink Coating Is Less, The Printing Plate By The Influence Of The Wetting Fluid, Repeated An Offset Printing Durability (Printing Durability) Is Low. On The Contrary, The Present Invention Is The Y Prevention Officials Infiltration, Can Sufficiently Prevent The Penetration Of The Ink To The Plate, The Ink Film Can Be Fully Ensure The Water Resistance And Water Resistance Of The Offset In The Offset That Is Used To Offset Printing, The Printing Ink Can Sufficiently Ensure The Adhesion Of The Offset And, Further, Since The Ink Coating To Ensure Sufficient Water Resistance And Water Resistance, So It Will Not Be Printed On The Influence Of The Wetting Solution, Excellent Printing Durability. Solvent Inkjet Ink Of The Present Embodiment The Solvent Ink Containing The Anti- Penetrants And Solvent As The Solvent Is Not Particularly Limited, And Examples Thereof Include Acetone, Yue Ethyl Ketone, Cyclohexanone, 2 - Heptyl Ketone; Yue, Ethanol, Isopropanol, N-Hexyl Alcohol, Iso-Heptyl Alcohol, 2 - Ethyl Hexanol, N-Octanol, 3-- Yue-3 - Methoxy Butanol, 3-- Yue Group Butanol; Cellosolve, Butyl Cellosolve Ether; Toluene To The Second Yue Benzene, Turpentine, Limonene, Industrial Volatile Oil, Tetralin, Decalin, Hydrocarbons; Ethylene Glycol, Diethylene Glycol, Busy L Behalf Diethylene Glycol, Triethylene Glycol, Propylene Glycol, Diethylene Glycol, Triethylene And Propylene Glycol; Glycol Monoethyl Ether Acetate, Ethylene Glycol Monobutyl Ether Acetate, Diethylene Glycol Monoethyl Ether Acetate, Diethylene Glycol Monobutyl Ether Acetate, Acetic Acid And Other Two Esters; Ethylene Glycol Mono-Hexyl Ether, Ethylene Glycol -2 - Ethyl Hexyl Ether, Ethylene Glycol Phenyl Ether, Propylene Glycol Monoethyl Ether, Propylene Glycol Propyl Ether, Propylene Glycol Monobutyl Ether, Diethylene Glycol Monomethyl Ether Yue, Diethyl Glycol Monoethyl Ether, Diethylene Glycol Monobutyl Ether, Diethylene Glycol Hexyl Ether, Diethylene Glycol -2 - Ethyl Hexyl Ether, Dipropylene Glycol Monomethyl Yue Ether, Dipropylene Glycol Monomethyl Ether, Diethylene Glycol Monobutyl Ether, Diethylene Propylene Glycol Propyl Ether, Triethylene Glycol Monomethyl Ether, Triethylene Glycol Monoethyl Ether, Triethylene Glycol Monobutyl Squint, Tripropylene Glycol Monomethyl Ether And Other Glycol Ethers; 2,2,4 - Trimethyl-L, 3 - Pentanediol Monoisobutyrate, Triethylene Glycol Bis (2 - Ethylbutyrate), Propylene Carbonate, Ethyl Lactate, Butyl Acetate Yue Acetoacetate, Ethyl Acetoacetate, Two Monobasic Acids Unitary Purpose DBE, 3 - Yue-3 - Yue Butyl Acetate Esters Such As Oxygen; N-Yue-2 - Pyrrolidone, Pyrrolidone. These Solvents, From The Use Of Anti-Penetrant Solubility , The Ink Ejection Stability And The Target Drying Of The Ink On The Medium Considerations, L Species May Be Used Alone, Or Can Use Any Combination Of Two Or More Different Boiling Point Of The Solvent, And, To The Total Weight Of The Ink Solvent, The Solvent The Content Is Preferably 50 - 99 Mass% Xi Bu Another, According To Need, The Solvent Ink May Contain Colorants Such As Dyes ? Pigment As The Colorant May Be Used In A Solvent Inkjet Inks Are Usually Used In Each Inorganic And Organic Dyes. Pigment As A Pigment Examples Include C Shang Pigment Yellow 93, 95, 109, 110, 120, 128, 138, 139, 151, 154, 155, 173, 180, 185, 193, C Shang Pigment Orange 34, 36, 43, 61, 63, 71, C Shang Pigment Red 122, 202, C Shang Pigment Red 122 And 202, Solid Solution, C Shang Pigment Blue 15:3, 15:4, CI Pigment Violet 19 , 23, 33, C Shang Pigment Black 7, Titanium Oxide, Aluminum Oxide, Zinc Oxide, Hollow Resin Fine Particles, Mica, Muscovite, Aluminum Fine Powder From The Ink Color Density, Hue, The Viewpoint Of Stability Of The Ink, The Pigment The Particle Size Is Preferably An Average Particle Diameter Of 150nm Or Less. The Other Hand, Examples Of Dye # + C Shang Include Solvent Yellow 1, 2, 3, 13, 14, 19, 21, 22, 29, 36, 37, 38 , 39, 40, 42, 43, 44, 45, 47, 62, 63, 71, 76, 79, 81, 82, 83:1, 85, 86, 88, 151; CI Solvent Red 8, 27, 35, 36, 37, 38, 39, 40, 49, 58, 60, 65, 69, 81, 83:1, 86, 89, 91, 92, 97, 99, 100, 109, 118, 119, 122, 127, 218; C Shang Solvent Blue 14, 24, 25, 26, 34, 37, 38, 39, 42, 43, 44, 45, 48, 52, 53, 55, 59, 67, 70; C Shang Solvent Black 3, 5, 7, 8, 14, 17, 19, 20, 22, 24, 26, 27, 28, 29, 43, 45, Etc. These May Be Used Alone Or In Combination Of Two Or More Other Hand, No Dye Pigment * The Case Of Solvent-Based Inks Can Be Used As A Transparent Ink. These Colorants In The Ink Content May Choose Not To Damage The Ejection Stability Of The Ink, The Print Density With The Target Amount To Adapt To The Total Mass Of The Ink Solvent, Preferably Ol ~ 15 Mass% Of The Present Invention, A Solvent Ink, In Addition To The Above Components, The Conductivity May Be Contained According To Need Adjusting Agents, Surface Active Agents, Ultraviolet Absorbers, Defoaming Agents, Antioxidants And Other Additives, As The Conductivity Adjustment Agent Includes, For Example Carbon And Ionic Compound In The Conductivity Modifier Containing Such, Its Content Of Total Mass Of The Ink Solvent Is Preferably From O.Ol ~ 5 Mass% Of The Surface Active Agent Include, For Example Polyoxyethylene Polyoxyethylene Alkyl Ether Compounds, Polyoxyethylene Sorbitan Compounds, And Perfluoroalkyl Vinyl Compound In The Presence Of Such Surface Active Agent To The Total Mass Of The Ink Solvent, The Content Is Preferably O.Ol ~ 3 Mass% Of The Ultraviolet Absorber May, For Example Benzotriazole-Based Compounds, Hindered Amine Compounds, And Hydroxyphenyl Triazine Compound In The Ultraviolet Absorbing Agent Containing Such, With A Total Mass Of The Ink Solvent, And Its Content Preferably 0.01 To 8 Mass% As A Defoaming Agent May, For Example Silicone Oil, A Fatty Acid Ester Compound And An Ester Compound In Such An Antifoaming Agent Comprising In Total Mass Of The Ink Solvent, And Its Content Is Preferably O.Ol ~ 3 Mass% As Antioxidants Such As Phenol-Based Compounds Include Amine-Based Compounds And Phosphite-Based Compound In The Presence Of Antioxidants Such As To Total Mass Of The Ink Solvent, And Its Content Is Preferably O . Ol ~ 3 Mass%. Further, In Consideration Of The Ejection Stability Of The Ink Jet Ink, Solvent Ink Of The Present Invention The Physical Property Values ??Of The Viscosity Is Preferably Adjusted To 3 ~ 15mPa * S, The Surface Tension Of 20 ~ 35mN / M Or So. Present Specification The Viscosity Of The Use Of Use Of Yamaichi Electronics (Wiping) DIGITAL VISCOMATE VM-100A At 25. C Ambient Temperature Measured Values ??Of Surface Tension Using Using Wilhelmy-Type Surface Tension Meter (Kyowa Interface Science Wiping Style Clubs Manufactured) At 25. C, 50. /. RH Value Measured Environment. Further Further, The Present Invention Is Preferably Formed By A Solvent Ink According To Diameter Of About Ol ~ 10pm Filtered Through A Filter To Remove Coarse Powder In The Ink, And For Ink Jet Printing. Printing Media For The Present Invention Is Used For Inkjet Printing Ink Solvent, Printing Medium, Preferably Offset Printing Ink Paper Or Other Media In A Hydrophilic Porous Surface As A Printing Surface Of The Lithographic Plate, But According To The Printing System, There Are Multiple Species, But Mostly On The Support To Form A Photosensitive Layer And A Bottom Surface Forming A Hydrophilic Layer (Hydrophilic Porous Surface) Of The Plate (See Japanese Laid-Open Patent Publication No. 2001-105762, Said Bent Open Publication No. 2003-255563, Etc.) As A Support Plate, Can Be Implemented Using Aluminum, Chromium-Plated Steel And Other Metal Sheet, Or As A Support Cheaper, Can Be Used To Give The Water Resistance Of Paper, Plastic Film, The Layer Water Pressure Resistance Of The Plastic Paper Support Of The Plate Preferably Has A Thickness Of 100 ~ 300pm, The Hydrophilic Surface Layer Of A Thickness Of Preferably 5 ~ 30pm. Printing Plates Used In Forming The Version, This Can Usually Be Used The Method: According To Image Information By The Laser Exposing The Plate To Remove The Exposed Portion Of The Hydrophilic Layer, Forming A Hydrophilic / Hydrophobic Version On The Contrary, Such A Method May Be Used: An Ink Jet Method Using A Hydrophobic The Ink Applied To The Plate To Form A Hydrophilic / Hydrophobic Version. According To This Method, Since No Laser, It Is Possible In A More Simple And Inexpensive Structure Has Been Lithographic Apparatus Version And, In The Use Of Such Version Jet Is Formed, The Use Of The Present Invention Containing Anti-Penetrant The Case Of Solvent-Based Inks, The Surface Of The Plate To Ensure Sufficient Water Resistance And Water Resistance Of The Ink Film, Whereby The Ink Film Forming Such Version As Also Suitable For Offset Printing Adds Anti Penetrant Of The Present Invention A Solvent Ink, Even In The Grinding Aluminum And Other Non-Porous Printing Plate For Inkjet Printing, But Also Formed With Excellent Adhesion Of The Ink Coating From Here, The Formation Of Such A Version Of The Ink Film Is Also Suitable As An Offset. Examples Are Given Below Of Embodiments Of The Present Invention, But The Present Invention Is Not Limited To The Examples.

Example 1

1. C Under Table 1 Shown Solvents, Dyes And Anti-Penetrant Mixed And Dissolved With A Stainless Steel Mesh Sieve Filtration 2pm Obtained In Example L In A Solvent Ink.

Table L

Table

Examples 2 To Remove The Solvent, And Anti-Penetrant Dye Were Shown In Tables 2-5 To Substances Other Than The Same Manner As In Example 1, Examples 2 To 5 To Obtain A Solvent Ink.

Table 2 ( Table See Original Document Page 14

Table 3 Table See Original Document Page 14

Table 4 ( Table See Original Document Page 15

Table 5 Table See Original Document Page 15

Example 6

Preparation Of Ethylene Glycol Monobutyl Ether Acetate And Propylene Glycol Monomethyl Ether Acetate Mixture (4:1 By Volume) As The Solvent, Carbon Black Fine Particles (MA100, Manufactured By Mitsubishi) As The Inorganic Fine Particles, +> Hong Modified Phenolic Resin (TAMANOL414, Manufactured By Arakawa Chemical) As The Organic Solvent-Soluble Resin Would Be 10 Parts By Mass, And 3 Parts By Mass Of The Solvent Mixture Of The Inorganic Fine Particles, The Use Of 4) 0.3mm Zirconia Beads Ball Milling For 10 Hours, The Inorganic Fine Particles Dispersed Thereto Was Added 70 Parts By Weight Of Solvent And 17 Parts By Mass Of An Organic Solvent The Resin Soluble In 45. C Were Mixed And Dissolved, The Use Of Stainless Steel Mesh Sieve 2pm Filtered To Give A Solvent Ink Of Example 6. Than The Designed Cross Example L, 2 To Remove The Solvent, A Dye Penetrant And Anti-Form, Respectively 6, 7 Other Than Substances, And Obtained The Same Manner As In Example L And 2, Comparative Example L Solvent Ink.

Table 6 ( Table See Original Document Page 15 Mixture ( 4:1 By Volume) C Shang Dye Solvent Black 72 Anti-Penetrant Rosin Ester Resin Modified (PENSELAZ,, "L Chemical Manufacturing) 18 Table 7 Table See Original Document Page 16 St: Styrene; BA: Butyl Acrylate; 2EtHA: Acrylate, 2 - Ethylhexyl Acrylate Evaluation Of Solvent Ink Jet Printers Are Used As Follows And Printing Media Of Examples 1 To 6 And Comparative Example L, 2 Solvent Ink For Evaluation. [Inkjet Printer] Equipped With Piezoelectric Inkjet Printer Head (UJF-605C, MIMAKI ENGINEERING CO., LTD. Manufactured) The Transformation Unit Of The Printer Is A UV Printer, The Implementation Of The Removal Of UV Transformation Irradiation Machine, Further, The Ink Jet Head Temperature Adjustment Is Set To 30 ° C, Filling The Ink And The Printing Is Carried Out Tests Is Printed To The Right Foot Into Four 1200dpi/16pass.

[Printing Medium]

With The Supporting Substrate Is Formed With An Ink Absorbing Layer And A Surface Hydrophilic Layer Plate As The Printing Medium The Surface Hydrophilic Layer Of Polyvinyl Alcohol Is Mixed In The Composition Of The Silica Particles. Using The Ink Jet Printer Example 1 A Solvent Ink For Printing On The Print Medium. Further, The Resultant Printed Material At 10 (TC Was Dried For 1 Minute To Obtain A Printing Plate A. Not Recognized In The Ink Jet Printing Nozzle Spray Or Flight Skewed Such Leakage Abnormal Discharge Using An Optical Microscope (Magnification 450 Times) Observing The Printing Plate A, Confirm The Printing Plate Is Formed On The Ink Film And, Further, Measuring The Printing Section (100% Printing Rate Portion) Of The Contact Angle (Air Drop, Manufactured By Kyowa Interface Science CA-V, Contacts 100 Milliseconds), The Results Of The Water Contact Angle Of The Printing Section 90. Above, Shows A High Waterproofness On The Contrary, Non-Printed Portion Of The Water Contact Angle Of 20 °, The Printing Unit Can Be Obtained With The Non-Printed Portion Of Hydrophobic / Hydrophilic High Contrast. Except That The Solvent Ink Of Example 2 Except With The Same Manner As In Example 1 To Obtain Printing Plate Material B. Using An Optical Microscope Was Child I (Magnification 450 Times) Observing The Printing Plate B, Recognized On The Printing Plate With An Ink Film Is Formed, Further, Measuring The Printing Section (100% Printing Rate Portion) Of The Water Contact Angle, The Result Printed Portion Of The Water Contact Angle Of 90 ° Above, Shows A High Water Repellency. Except B Except Using A Printing Plate, With The Same Manner As Example 1, Offset Printing, The Results Can Be Output 7000 A Printing Printed Matter With Good Reproducibility. Except That The Solvent Ink Of Example 3 Except With The Same Manner As In Example 1 To Obtain Printing Plate Material C. With An Optical Microscope (Magnification 450 Times) Observing The Printing Plate C, Are Recognized On The Printing Plate Is Formed With An Ink Coating And, Further , Measuring The Printing Unit (100% Printing Rate Portion) Of The Water Contact Angle, The Results Of The Water Contact Angle Of The Printing Section 90. Above, Shows A High Water Repellency. Addition To Using The Printing Plate Other Than C, And The Same Manner As In Example L Offset Printing Results Can Be Output Point 11000 Zhang Yin Printed Matter With Good Reproducibility. Except That The Ink Of Example 4 Except A Solvent, The Same Manner As In Example L To Obtain Printing Plate Material D. With An Optical Microscope (Magnification 450 Times) Observing The Printing Plate D, Confirm Printing Plate Is Formed On The Ink Film. Further, Measuring The Printing Unit (100% Printing Rate Portion) Of The Water Contact Angle, The Result Of Water Contact Angle Of The Printing Portion Is 90 Or More, Indicating High Waterproofness. Addition To Using The Printing Plate Other Than D, And The Same Manner As In Example L Offset Printing Results Can Be Output Is Approximately 6000 A Printing Printed Matter With Good Reproducibility. Except That The Solvent Ink Of Example 5 Except, The Same Manner As In Example 1 To Obtain Printing Plate E. With An Optical Microscope (Magnification 450 Times) Observing The Printing Plate E, Confirm Printing Plate With The Ink Coating Formed On Membrane And, Further, Measuring The Printing Unit (100% Printing Rate Portion) Of The Water Contact Angle, The Results Of The Water Contact Angle Of The Printing Portion Is More Than 90 °, Shows A High Water Repellency. Addition To Using The Printing Plate E Was The Same As In Example L Carry Offset Printing Results Can Be Output Is Approximately 6000 Printed Point Printed Matter With Good Reproducibility. Except That The Solvent Ink Of Example 6 Except With The Same Manner As In Example L To Obtain Printing Plate Timber F. With An Optical Microscope (Magnification 450 Times) Observing The Printing Plate F, Confirm Printing Plate Is Formed On The Ink Film. Except F Except Using A Printing Plate, With The Same Manner As In Example L Offset Printing, The Results Can Be Output Approximately 5000 A Printing Printed Matter With Good Reproducibility. Except That The Ink Of Comparative Example L Except Solvent, And The Same Manner As In Example L To Obtain Printing Plate G. With An Optical Microscope (Magnification 450 X) Observing The Printing Plate G, It Was Confirmed That The Printing Plate Than The Ink Film Is Formed, Further, Measuring The Printing Section (100% Printing Rate Portion) Of The Water Contact Angle, The Result Printed Portion Of The Water Contact Angle Of 48 ° In Addition To Use Of The Printing Plate Other Than G, With The Same Manner As In Example L Printing, The Early Results From The Printing Unit A Printing Halftone Blur State. Comparative Example 2 Except That Except The Ink Solvent, The Procedure Of Example L Was Obtained As Printing Plate H. With An Optical Microscope (Magnification 450 Times) Observing The Printing Plate H, It Was Confirmed That The Printing Plate Than The Ink Film Is Formed, Further, The Printing Determination Unit (100% Printing Rate Portion) Of The Water Contact Angle, The Results Of The Water Contact Angle Of The Printing Portion 69 .. In Addition To Using The Printing Plate Other Than H, The Procedure Of Printing The Same Manner As Example L, The Early Results From The Printing Halftone A Printing Portion Blurred State. From The Above Results, In Examples L ~ 6 Obtained By Solvent Ink Printing Plates A, B, C, D, E And F Of The Printed Portion Of The Water Contact Angle, And Can Sufficiently Prevent Penetration Of The Ink To The Printing Medium Relative To This, Comparative Example L, 2 Solvent Ink Printing Plate Obtained By The Printing Section G And H Of The Water Contact Angle Is Small, Clear, Penetration Of The Ink To The Printing Medium.

【DRAWINGS】

【Claims】

1. An Anti-Wetting Agent, Which Consists Of An Organic Solvent-Soluble Resin, And Inorganic Fine Particle Component, The Anti-Wetting Agent Used In Addition To A Solvent Inkjet Ink. (2) As Claimed In Claim L Wherein The Anti-Wetting Agent, Wherein Said Resin Is A Rosin-Based Resin. 3 According To Claim L Wherein The Anti-Wetting Agent, Wherein Said Resin Is A Rosin-Modified Phenolic Resin. As Claimed In Any One Of Claim L ~ 3 Wherein The Anti-Wetting Agent, Wherein The Inorganic Fine Particles Are Hydrophobized Silica Fine Particles. 5 According To Claim Any One Of Claims L ~ 4 Anti-Penetrant, Wherein Said Printing Medium Is A Hydrophilic Porous Surface As A Printing Surface Of The Printing Medium. As Claimed In Any One Of Claim L ~ 5 The Anti-Penetrant, Wherein Said Printing Medium Is An Offset Printing Plate. 7 - Colors Of Inkjet Solvent Ink, Which Contains Claims To Any One Of Claims L ~ 6 Anti-Penetrant. As Claimed In Claim 7, Wherein The Inkjet Solvent Ink, Which Is Used As The Hydrophilic Porous Surface Of The Printing Medium Printed Surface. 9 An Anti-Penetration Method Of Preventing The Solvent Ink For Ink Jet Printing Medium Permeability, The Solvent In The Inkjet Ink Containing An Organic Solvent-Soluble Resin, And Inorganic Particles. 10 According To The Method Of Claim 9, Wherein The Solvent Used In Said Ink Jet Ink Based On The Total Mass Of The Resin, And The Total Content Of The Inorganic Fine Particles Is From 5 To 25 Mass%.

【Document Number】C09D7/12GK101275041SQ200710112489

【Application Date】2008年10月1日 Application Date: 2007年6月28日 Priority Date: 2007年3月27日

【Inventor】古旗朝隆, 田林勳, 竹泽敏 Applicant: 株式会社御牧工程

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