WO2013108753A1 - 印刷用塗工紙およびそれを用いる印刷物製造方法 - Google Patents
印刷用塗工紙およびそれを用いる印刷物製造方法 Download PDFInfo
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- WO2013108753A1 WO2013108753A1 PCT/JP2013/050578 JP2013050578W WO2013108753A1 WO 2013108753 A1 WO2013108753 A1 WO 2013108753A1 JP 2013050578 W JP2013050578 W JP 2013050578W WO 2013108753 A1 WO2013108753 A1 WO 2013108753A1
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- printing
- paper
- calcium carbonate
- coating layer
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
- B41M5/5218—Macromolecular coatings characterised by inorganic additives, e.g. pigments, clays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
- B41M5/41—Base layers supports or substrates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/502—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording characterised by structural details, e.g. multilayer materials
- B41M5/508—Supports
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
- D21H17/44—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups cationic
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/66—Salts, e.g. alums
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/71—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes
- D21H17/74—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes of organic and inorganic material
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/385—Oxides, hydroxides or carbonates
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/72—Coated paper characterised by the paper substrate
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/16—Sizing or water-repelling agents
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/50—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by form
- D21H21/52—Additives of definite length or shape
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
- D21H23/56—Rolls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M2205/00—Printing methods or features related to printing methods; Location or type of the layers
- B41M2205/32—Thermal receivers
Definitions
- the present invention relates to a coated paper for printing having offset printing suitability and suitable for an ink jet printer used in the commercial printing field.
- the present invention also relates to a method for producing a printed matter with an inkjet printer using a coated paper for printing.
- ink jet printing In recent years, the speed and size of the ink jet recording method has increased, and commercial printing using the ink jet recording method (hereinafter referred to as “ink jet printing”) has started.
- Industrial printers hereinafter referred to as “inkjet printers”) using an inkjet recording system used for commercial printing have already been developed (see, for example, Patent Document 1).
- the commercial printing field has a large number of copies, and printing speed is emphasized from the viewpoint of productivity and printing cost.
- Pigment inks with a printing speed of 15 m / min or higher, higher speeds of 60 m / min or higher, and higher speeds of 120 m / min or higher are used.
- a rotary inkjet printer has been developed.
- inkjet printers can handle variable information, they are especially applied to on-demand printing.
- fixed information is printed by an offset printer and variable information is printed by an inkjet printer.
- an ink jet recording paper having an appearance like coated paper for offset printing and excellent ink jet printer printability
- it is a recording paper provided with a coating layer mainly composed of an inorganic pigment and a binder on at least one side of a substrate
- the inorganic component is either heavy calcium carbonate, light calcium carbonate, kaolin or a mixture of two or more of these pigments exceeds 95 parts by mass.
- An ink jet recording paper containing a pigment having an average particle diameter of 0.02 ⁇ m or more and 2.00 ⁇ m or less is disclosed (for example, see Patent Document 2).
- Heavy calcium carbonate for ink jet recording sheets containing 80% by mass or more of heavy calcium carbonate having a particle size of 0.1 ⁇ m or more and 1 ⁇ m or less, and having an average particle size of heavy calcium carbonate of 0.2 ⁇ m or more and 0.4 ⁇ m or less Is disclosed (for example, see Patent Document 3).
- the method of reducing the binder of the coating layer or the method of using a lot of porous pigment in the coating layer loses the coating layer strength of the coating layer, and offset printing.
- the suitability for offset printing such as the occurrence of blanket piling is sometimes impaired.
- the ink jet recording paper and ink jet recording sheet as disclosed in Patent Document 2 and Patent Document 3 may be insufficient in terms of suitability for an ink jet printer, particularly in terms of suppression of mottling, as the speed increases. is there. Further, these ink jet recording papers and ink jet recording sheets have not been sufficiently studied with respect to ink jet printers having offset printing, a printing speed of 15 m / min or more, and a printing speed of 60 m / min or more, which is more preferable as commercial printing.
- the objects of the present invention are (1) without impairing offset printing suitability, and (2) mottoling of the printed image portion is sufficiently suppressed in ink jet printing, and (3) color developability in ink jet printing using a dye ink. It is excellent and (4) to provide a coated paper for printing in which the printed portion has good scratch resistance in inkjet printing.
- Another object of the present invention is to use the above-mentioned coated coated paper for printing, by using an ink jet printer, to obtain a printed matter that can be commercial printed matter with suppressed mottling, excellent color developability in dye ink, and good scratch resistance of the printed portion. It is to provide a method of manufacturing.
- a base paper is a treated base paper that is size-pressed with a treatment liquid containing at least one selected from a cationic resin and a water-soluble polyvalent cation salt, and is at least selected from a cationic resin and a water-soluble polyvalent cation salt
- the total coating amount in terms of solid content per one surface is in the range of 0.1 g / m 2 or more and 5.0 g / m 2 or less, and at least one of the pigments in the coating layer has an average particle size of 0.1 ⁇ m.
- the coated paper for printing which is in the range of 60 parts by mass or more with respect to 100 parts by mass of the total pigment.
- the coated paper for printing of the present invention the offset printability is good, and in ink-jet printing, the mottling of the printed image portion is suppressed, the coloring property in the dye ink is excellent, and the scratch resistance of the printed portion is good.
- a coated paper for printing can be obtained.
- the above-mentioned problem is a coated paper for printing in which a coating layer mainly composed of a pigment and a binder is provided on at least one surface of a base paper.
- a base paper is a treated base paper that is size-pressed with a treatment liquid containing at least one selected from a cationic resin and a water-soluble polyvalent cation salt, and is at least selected from a cationic resin and a water-soluble polyvalent cation salt
- the total coating amount in terms of solid content per one surface is in the range of 0.1 g / m 2 or more and 5.0 g / m 2 or less, and at least one of the pigments in the coating layer has an average particle size of 0.1 ⁇ m.
- a coated paper for printing in a range of 60 parts by mass or more with respect to 100 parts by mass of the total pigment This can be solved by a printed matter production method including producing a printed matter by an ink jet printer having a printing speed of 60 m / min or more.
- a printed matter that can be a commercial printed matter with suppressed mottling, excellent color developability in dye ink, and good scratch resistance of a printed portion can be produced by an inkjet printer.
- inkjet printer refers to an industrial printer used for industrial printing using an inkjet recording method.
- an inkjet printing machine having a printing speed of 15 m / min or more, a higher speed of 60 m / min or more, and a higher speed of 75 m / min or a rotary ink jet printing machine equipped with pigment ink or dye ink can be used.
- an “inkjet printer” refers to a printer that uses an inkjet recording method with a printing speed of several meters per minute, including a small printer for home use and a large format printer used by a printer, etc.
- it is described as “inkjet printer”.
- inkjet printing refers to industrial printing that utilizes an ink jet recording system and refers to printing using an ink jet printer.
- Offset printing is an indirect printing method in which ink is once transferred to a blanket and then transferred again to a substrate.
- Good offset printing suitability means that blanket piling or the like has not occurred after offset printing.
- the base paper used in the present invention includes chemical pulps such as LBKP (Leaf Bleached Kraft Pulp) and NBKP (Needle Bleached Kraft Pulp), GP (Groundwood Pulp), PGW (Pressure GroundWood pulp), RMP (Refiner Mechanical MP) Cellulose pulp selected from mechanical pulp such as ThermoMechanical Pulp), CTMP (ChemiThermoMechanical Pulp), CMP (ChemiMechanical Pulp), CGP (Chemi-Groundwood Pulp), and DIP (DeInked Pulp).
- More than one species may be combined), various fillers such as light calcium carbonate, heavy calcium carbonate, talc, clay, kaolin, and various sizing agents, fixing agents, retention agents, cationizing agents, etc.
- pigment dispersant in the stock, as other additives, pigment dispersant, thickener, fluidity improver, antifoaming agent, foam suppressor, mold release agent, foaming agent, penetrating agent, coloring dye, Color pigments, fluorescent whitening agents, ultraviolet absorbers, antioxidants, preservatives, antibacterial agents, water resistance agents, wet paper strength enhancers, dry paper strength enhancers and the like that do not impair the desired effects of the present invention Thus, it can be appropriately blended.
- the ash content in the base paper is preferably in the range of 8% by mass to 25% by mass, and more preferably in the range of 10% by mass to 20% by mass, from the viewpoint of absorbability with respect to the ink of the ink jet recording system.
- the ash content is a ratio (mass%) between the mass of incombustible material after the base paper is burned at 500 ° C. for 1 hour and the absolute dry weight of the base paper before the burn processing.
- the amount of ash can be adjusted by the content of fillers in the base paper.
- the thickness of the base paper is not particularly limited, but is preferably in the range of 50 ⁇ m to 300 ⁇ m, more preferably 80 ⁇ m to 250 ⁇ m.
- the sizing degree of the base paper may be any sizing degree as long as the desired effect of the present invention is not impaired, and can be adjusted by the amount of the internal sizing agent and the coating amount of the surface sizing agent applied to the base paper.
- the internal sizing agent is, for example, rosin sizing agent for acidic paper, alkenyl succinic anhydride, alkyl ketene dimer, neutral rosin sizing agent or cationic styrene-acrylic sizing agent for neutral paper.
- the surface sizing agent include a styrene-acrylic sizing agent, an olefin sizing agent, and a styrene-maleic sizing agent.
- the base paper is a processed base paper that is size-pressed with a processing liquid containing at least one selected from a cationic resin and a water-soluble polyvalent cation salt.
- the cationic resin is a commonly used cationic polymer or cationic oligomer, and the type thereof is not particularly limited.
- Preferred cationic resins are polymers or oligomers containing primary to tertiary amines or quaternary ammonium salts that readily coordinate protons and dissociate when dissolved in water and exhibit cationic properties.
- Specific examples include, for example, polyethyleneimine, polyvinyl pyridine, polyamine sulfone, polydialkylaminoethyl methacrylate, polydialkylaminoethyl acrylate, polydialkylaminoethyl methacrylamide, polydialkylaminoethyl acrylamide, polyepoxyamine, polyamidoamine, dicyandiamide- Compounds such as formalin condensate, polyvinylamine, polyallylamine and their hydrochlorides, and polydiallyldimethylammonium chloride and copolymers of diallyldimethylammonium chloride and acrylamide, polydiallylmethylamine hydrochloride, dimethylamine-epichlorohydrin condensation
- the present invention is not limited to these.
- a preferred cationic resin includes dimethylamine-epichlorohydrin condensate.
- the average molecular weight of the cationic resin is not particularly limited, but a range of 500 or more and 20,000 or less is preferable, and a range of 1,000 or more and 10,000 or less is more preferable.
- the water-soluble polyvalent cation salt refers to a salt containing a polyvalent cation that can be dissolved in water at 20 ° C. in an amount of 1% by mass or more.
- the polyvalent cation include divalent cations such as magnesium, calcium, strontium, barium, nickel, zinc, copper, iron, cobalt, tin and manganese, trivalent cations such as aluminum, iron and chromium, or Tetravalent cations such as titanium and zirconium, and complex ions thereof.
- the anion that forms a salt with the polyvalent cation may be either an inorganic acid or an organic acid, and is not particularly limited.
- inorganic acids include, but are not limited to, hydrochloric acid, nitric acid, phosphoric acid, sulfuric acid, boric acid, hydrofluoric acid, and the like.
- organic acid include, but are not limited to, formic acid, acetic acid, lactic acid, citric acid, oxalic acid, succinic acid, and organic sulfonic acid.
- Preferred water-soluble polyvalent cation salts are calcium salts such as calcium chloride, calcium formate, calcium nitrate, and calcium acetate.
- the reason why the calcium salt is preferable is that the coating layer strength of the coating layer does not decrease and the offset printability does not decrease.
- calcium chloride and calcium nitrate are preferable from the viewpoint of scratching of the printed image portion.
- the treatment liquid containing at least one selected from a cationic resin and a water-soluble polyvalent cation salt can contain the surface sizing agent.
- the treated base paper is obtained by size pressing with a treatment liquid containing at least one selected from a cationic resin and a water-soluble polyvalent cation salt.
- the size press method is a conventionally known method, for example, an incline size press, a horizontal size press, and a film transfer method, such as a rod metering size press, a roll metering size press, and a blade metering size press,
- the rod metering size press include a shim sizer, an optimizer, a speed sizer, and a film press.
- the roll metalling size press include a gate roll coater.
- Other examples include bill blade coaters, twin blade coaters, bellbapa coaters, tab size presses, and calendar size presses.
- Other coating methods such as curtain coater and air knife coater may be used, but at least one selected from a cationic resin and a water-soluble polyvalent cation salt is present in a relatively large amount on the surface of the base paper and productivity.
- a size press is preferable.
- the total coating amount in terms of solid content per one surface selected from a cationic resin and a water-soluble polyvalent cation salt is in the range of 0.1 g / m 2 to 5.0 g / m 2. .
- the total coating amount means the coating amount per one side totaling at least one substance selected from a cationic resin and a water-soluble polyvalent cation salt. If it is less than this range, the suppression of mottling will be insufficient, or the color development of the dye ink in ink jet printing will be insufficient. On the other hand, if the amount is larger than this range, the mottling suppression property may be lowered, the offset printing suitability may be lowered, or the coloring property of the dye ink in ink jet printing may be lowered.
- the coated paper for printing has a coating layer mainly composed of a pigment and a binder on the treated base paper.
- “mainly composed of a pigment and a binder” refers to a case where the sum of the pigment and the binder occupies the highest ratio in the solid content conversion coating amount of the coating layer.
- At least one pigment in the coating layer is heavy calcium carbonate having an average particle size of 0.1 ⁇ m or more and 0.28 ⁇ m or less.
- Treatment base paper size-pressed with a treatment liquid containing at least one selected from a cationic resin and a water-soluble polyvalent cation salt, and a coating containing heavy calcium carbonate having an average particle diameter according to the present invention The printing coated paper combined with the layer has offset printing suitability and can suppress mottling in inkjet printing. Further, the scratch resistance of the printed portion can be obtained. In addition, the color developability can be improved when the ink of the ink jet printer is a dye ink.
- a dye ink in which a coloring material is dissolved in a solvent is required to have a coating layer with high transparency in order to obtain color developability.
- the transparency of the coating layer can be improved by atomizing heavy calcium carbonate, and the color developability of the dye ink can be improved.
- the average particle size of heavy calcium carbonate is in the range of 0.1 ⁇ m to 0.28 ⁇ m.
- the ink of an ink jet printer may cause mottling in the printed image portion or lack of absorbability, resulting in stains in the printed image portion. If it is larger than this range, the color developability of the dye ink may be lowered in ink jet printing.
- the heavy calcium carbonate having such an average particle diameter can be produced, for example, by the following method.
- a heavy calcium carbonate predispersed slurry is prepared by dispersing water or a dispersant in an aqueous solution obtained by dry pulverizing natural limestone. Further, the heavy calcium carbonate pre-dispersed slurry thus prepared is further wet pulverized using a bead mill or the like.
- natural limestone can be wet-pulverized immediately, but it is preferable to dry-grind in advance prior to wet-grinding.
- the particle diameter of limestone is preferably 40 mm or less, and preferably the average particle diameter is 2 ⁇ m or more and 2 mm or less.
- an organic dispersant to the surface of the pulverized limestone.
- a method of performing wet pulverization of dry-ground limestone in the presence of an organic dispersant is preferable.
- the aqueous medium is added to limestone so that the mass ratio of limestone / aqueous medium (preferably water) is in the range of 30/70 to 85/15, preferably 60/40 to 80/20.
- Add the organic dispersant here.
- the amount of the organic dispersant to be used is not particularly limited, but is preferably used in the range of 0.3 to 3.5 parts by mass as a solid content per 100 parts by mass of heavy calcium carbonate, 0.5 parts by mass The range of 3 parts by mass or less is more preferable.
- the obtained dispersion is wet-ground by a conventionally known method.
- an aqueous medium in which an organic dispersant having an amount in the above range is dissolved in advance is mixed with limestone and wet pulverized by a conventionally known method.
- the wet pulverization may be a batch type or a continuous type, and an apparatus such as a mill using a pulverization medium such as a sand mill, an attritor, or a ball mill is preferable.
- Examples of the organic dispersant include water-soluble anionic surfactants and water-soluble nonionic surfactants.
- water-soluble anionic surfactant include low molecular or high molecular surfactants having a carboxylate, sulfate, sulfonate, or phosphate ester salt as a functional group.
- Examples of the low molecular carboxylate include higher fatty acid salts such as sodium laurate, sodium stearate, and sodium oleate, higher alcohol ethylene oxide acetate, perfluoroalkyl carboxylate, and the like.
- polymeric carboxylate examples include, for example, polyacrylates, salts of carboxylic acid monomers such as acrylic acid-maleic acid copolymer alone or a copolymer of at least two or more, vinyl compounds and carboxylic acids Examples thereof include a salt of a copolymer with a monomer and carboxymethyl cellulose in which a carboxyl group forms a salt.
- sulfate salts include higher alcohol ethylene oxide sulfate salts, sulfated oils, sulfated fatty acid ester salts, sulfated fatty acid salts, sulfated olefins, and alkylphenol polyethylene oxide sulfate salts.
- Examples of the low molecular sulfonate include alkylbenzene sulfonate, ⁇ -olefin sulfonate, and perfluoroalkyl sulfonate.
- Examples of the high molecular sulfonate include formalin condensate of naphthalene sulfonate. , Polystyrene sulfonate, polyvinyl sulfonate, polyaryl sulfonate, and a salt of a copolymer of acrylamide and acrylamide propane sulfonic acid.
- a copolymer type polymer surfactant that is a salt of a copolymer composed of a carboxylic acid monomer and a sulfonic acid monomer is also included.
- phosphoric acid ester salts include higher alcohol monophosphate ester salts, higher alcohol ethylene oxide phosphate ester salts, alkylphenol polyethylene oxide phosphate ester salts, and the like.
- polymer surfactants are preferred in order to obtain a high-concentration slurry during wet pulverization.
- polyacrylic acid salts acrylic acid-maleic acid copolymers.
- carboxylic acid monomers such as polymer salts alone or a copolymer salt composed of at least two of them.
- These molecular weights are not particularly limited, but are preferably 1,000 or more and 100,000 or less, and more preferably 5,000 or more and 50,000 or less.
- water-soluble nonionic surfactant used as the organic dispersant examples include polyethylene glycol type and polyhydric alcohol type nonionic surfactants.
- examples of the polyethylene glycol type include higher alcohol ethylene oxide adduct, alkylphenol ethylene oxide adduct, fatty acid ethylene oxide adduct, polyhydric alcohol fatty acid ester ethylene oxide adduct, fatty acid amide ethylene oxide adduct, polypropylene glycol ethylene oxide adduct And polyether-modified silicone.
- polyhydric alcohol type examples include glycerol fatty acid ester, pentaerythritol fatty acid ester, sorbitol and sorbitan fatty acid ester, sucrose fatty acid ester, polyhydric alcohol alkyl ether, polyglycerin fatty acid ester or an ethylene oxide adduct thereof. And fatty acid amides of alkanolamines, and methyl cellulose, hydroxyethyl cellulose, polyvinyl alcohol, polyalkylene oxide vinyl ether compounds, and polyhydroxyalkyl (meth) acrylates.
- water-soluble nonionic surfactants polymer-type water-soluble nonionic surfactants are preferred to obtain a high-concentration slurry during wet pulverization.
- Hydroxyalkyl (meth) acrylate and the like are more preferable.
- polyacrylic acid-based organic dispersants having polyacrylic acid are particularly preferred. These organic dispersants are commercially available from San Nopco, Toagosei, Kao, etc., and can be used in the present invention.
- the average particle diameter is an average particle diameter based on a particle size distribution measurement based on a volume using a laser diffraction / scattering method or a dynamic light scattering method.
- the average particle diameter can be measured, for example, using a laser diffraction / scattering particle size distribution measuring instrument Microtrac MT3300EXII manufactured by Nikkiso Co., Ltd.
- an electron micrograph of the surface of the coated paper for printing is taken using a scanning electron microscope, and the weight is obtained from the obtained image.
- the quality calcium carbonate particles can be regarded as a sphere having an approximate area and can be obtained by measuring the particle diameter.
- the coating layer of the present invention can contain a conventionally known pigment as a pigment other than the heavy calcium carbonate.
- a conventionally known pigment include kaolin, light calcium carbonate, clay, talc, calcium sulfate, barium sulfate, titanium dioxide, zinc oxide, zinc sulfide, zinc carbonate, satin white, aluminum silicate, diatomaceous earth, calcium silicate, and silicic acid.
- Inorganic pigments such as magnesium, synthetic amorphous silica, colloidal silica, aluminum hydroxide, alumina, lithopone, zeolite, magnesium carbonate, magnesium hydroxide, styrene plastic pigment, acrylic plastic pigment, styrene-acrylic plastic pigment, polyethylene And organic pigments such as microcapsules, urea resins, and melamine resins.
- the content of the heavy calcium carbonate in the coating layer is 60 parts by mass or more with respect to 100 parts by mass of the total pigment in the coating layer in terms of suppression of mottling and color development in the dye ink. It is. If it is less than 60 parts by mass, the mottling cannot be suppressed and the color developability of the dye ink is lowered. Moreover, if it is less than 60 mass parts, offset printing aptitude may fall.
- the binder is a conventionally known binder.
- polyacrylic acid polymers such as sodium polyacrylate and polyacrylamide
- polyvinyl acetate polymers such as polyvinyl acetate polymers
- styrene-butadiene copolymers various copolymers such as ethylene-vinyl acetate, polyvinyl alcohol, modified polyvinyl alcohol, Formalin resins such as polyethylene oxide, urea and melamine, and water-soluble synthetic compounds such as epichlorohydrin can be mentioned.
- starch purified from natural plants hydroxyethylated starch, oxidized starch, etherified starch, phosphate esterified starch, enzyme-modified starch and cold water soluble starch obtained by flash drying them, dextrin, mannan, chitosan
- examples thereof include natural polysaccharides such as arabinogalactan, glycogen, inulin, pectin, hyaluronic acid, carboxymethylcellulose and hydroxyethylcellulose, oligomers thereof, and modified products thereof.
- natural proteins such as casein, gelatin, soybean protein and collagen, or modified products thereof, and synthetic polymers and oligomers such as polylactic acid and peptides can be mentioned. These can be used alone or in combination.
- the binder can be used after cation modification. If an excessive amount of binder is added to the pigment, the ink absorbability in ink jet printing may decrease and stains may occur in the printed image portion.
- the binder is added to 100 parts by mass of the total pigment solid content contained in the coating layer. Is preferably in the range of 3 to 30 parts by mass, and more preferably in the range of 5 to 20 parts by mass.
- an ink fixing agent a pigment dispersant, a thickener, a fluidity improver, a printability improver, a surfactant, an antifoaming agent, an inhibitor are added as additives in addition to the pigment and binder.
- Foaming agent, mold release agent, foaming agent, penetrating agent, coloring dye, coloring pigment, fluorescent whitening agent, UV absorber, antioxidant, preservative, antibacterial agent, water resistance agent, wet paper strength enhancer, drying A paper strength enhancer or the like can be appropriately blended.
- the coated paper for printing can be obtained by coating and drying the coating layer coating liquid on the treated base paper.
- a commonly used coating apparatus can be used, and it is not particularly limited.
- various coating apparatuses such as various blade coaters such as a roll coater, an air knife coater, a bar coater, and a rod blade coater, a short dwell coater, and a curtain coater can be used.
- a drying method a commonly used drying apparatus can be used and is not particularly limited.
- Examples thereof include various drying devices such as a straight tunnel dryer, an arch dryer, an air loop dryer, a hot air dryer such as a sine curve air float dryer, and a dryer using infrared rays, a heated dryer, a microwave, and the like.
- the coating amount of the coating layer per side 8.0 g / m 2 or more 20.0 g / m 2 or less. By setting this range, both offset printing suitability and ink jet printing suitability can be obtained.
- the coating amount of the coating layer refers to the coating amount of the dry solid content.
- the coated coated paper for printing can be used as it is, but the surface can be smoothed with a machine calendar, soft nip calendar, super calendar, multi-stage calendar, multi-nip calendar, etc. as necessary.
- the coating layer coating solution may be applied to both sides of the base paper.
- the coated paper for printing can be printed on both sides, which is preferable.
- coated paper for printing according to the present invention can be used not only for offset printing but also for gravure printing, wet and dry electrophotography, and other printing methods, and is not limited at all. Furthermore, in addition to an ink jet printer, it can also be used for a commercially available ink jet printer.
- an inkjet printer with a printing speed of 15 m / min or higher, a higher speed of 60 m / min or higher, and a higher speed of 75 m / min or higher is used. It is possible to provide a method for producing a printed matter having image quality. By using the coated paper for printing according to the present invention, it is possible to provide a method for forming a good printed image as commercial printing using an offset printer and an inkjet printer.
- ⁇ Processing base paper 7> To a pulp slurry consisting of 100 parts of LBKP having a freeness of 400 mlcsf, 12 parts of light calcium carbonate as filler, 0.8 part of amphoteric starch, 0.8 part of aluminum sulfate, alkyl ketene dimer type sizing agent (Size Pine K903, Arakawa Chemical Industries, Ltd.) (Product made) 1.0 part was added, and the paper was made with a long paper machine, and 3.0 g / m 2 of phosphate esterified starch and 0.1 g / m 2 of calcium nitrate were attached to one side with a size press. A machine base paper 7 having a basis weight of 100 g / m 2 was prepared by machine calendar processing.
- ⁇ Processing paper 8> To a pulp slurry consisting of 100 parts of LBKP having a freeness of 400 mlcsf, 12 parts of light calcium carbonate as filler, 0.8 part of amphoteric starch, 0.8 part of aluminum sulfate, alkyl ketene dimer type sizing agent (Size Pine K903, Arakawa Chemical Industries, Ltd.) (Product made) 1.0 part is added, and papermaking is carried out with a long paper machine, and 3.0 g / m 2 of phosphate esterified starch and 5.0 g / m 2 of calcium nitrate are adhered to one side with a size press machine, A machine calendar process was performed to prepare a treated base paper 8 having a basis weight of 100 g / m 2 .
- ⁇ Processing paper 9> To a pulp slurry consisting of 100 parts of LBKP having a freeness of 400 mlcsf, 12 parts of light calcium carbonate as filler, 0.8 part of amphoteric starch, 0.8 part of aluminum sulfate, alkyl ketene dimer type sizing agent (Size Pine K903, Arakawa Chemical Industries, Ltd.) Ltd.) 1.0 part was added, and papermaking in Fourdrinier, a size press device 3.0 g / m 2 and per side phosphorylated starch, is calcium nitrate 0.05 g / m 2 adheres, A machine base paper 9 having a basis weight of 100 g / m 2 was prepared by machine calendering.
- ⁇ Processing base paper 10> To a pulp slurry consisting of 100 parts of LBKP having a freeness of 400 mlcsf, 12 parts of light calcium carbonate as filler, 0.8 part of amphoteric starch, 0.8 part of aluminum sulfate, alkyl ketene dimer type sizing agent (Size Pine K903, Arakawa Chemical Industries, Ltd.) (Product made) Add 1.0 part, make paper with a long paper machine, attach 3.0 g / m 2 phosphate ester starch and 5.5 g / m 2 calcium nitrate per side with a size press machine, A machine base paper 10 having a basis weight of 100 g / m 2 was prepared by machine calendering.
- ⁇ Processing base paper 11> To a pulp slurry consisting of 100 parts of LBKP having a freeness of 400 mlcsf, 12 parts of light calcium carbonate as filler, 0.8 part of amphoteric starch, 0.8 part of aluminum sulfate, alkyl ketene dimer type sizing agent (Size Pine K903, Arakawa Chemical Industries, Ltd.) Ltd.) 1.0 part was added, and papermaking in Fourdrinier, a size press device 3.0 g / m 2 and per side phosphorylated starch, sodium chloride 3.0 g / m 2 adhered to, A machine base paper 11 having a basis weight of 100 g / m 2 was prepared by machine calendar processing.
- ⁇ Processing paper 12> To a pulp slurry consisting of 100 parts of LBKP having a freeness of 400 mlcsf, 12 parts of light calcium carbonate as filler, 0.8 part of amphoteric starch, 0.8 part of aluminum sulfate, alkyl ketene dimer type sizing agent (Size Pine K903, Arakawa Chemical Industries, Ltd.) 1.0 part), made with a long paper machine, made with a size press machine, 3.0 g / m 2 phosphoesterified starch per side, anionic acrylic resin (Boncoat AN-680, DIC Corporation) Manufactured) was attached to 3.0 g / m 2 , and machine calendering was performed to prepare a treated base paper 12 having a basis weight of 100 g / m 2 .
- ⁇ Processing base paper 13> To a pulp slurry consisting of 100 parts of LBKP having a freeness of 400 mlcsf, 12 parts of light calcium carbonate as filler, 0.8 part of amphoteric starch, 0.8 part of aluminum sulfate, alkyl ketene dimer type sizing agent (Size Pine K903, Arakawa Chemical Industries, Ltd.) (Product made) Add 1.0 part, make paper with a long paper machine, attach 3.0g / m 2 of phosphate ester starch per side with a size press machine, machine calender treatment, basis weight 100g / An m 2 treated base paper 13 was prepared.
- Natural limestone is coarsely pulverized to a mean particle size of about 30 ⁇ m using a jaw crusher, hammer crusher, or roller mill, and water and a commercially available polyacrylic acid-based dispersant are added as solids per 100 parts by weight of heavy calcium carbonate. .5 parts by mass was added and stirred to obtain a pre-dispersed slurry of about 75%.
- This pre-dispersed slurry was processed using a wet pulverizer manufactured by Ashizawa Finetech Co., Ltd. (horizontal and cylindrical pulverization chamber dimensions: diameter of about 0.5 m, length of about 1.3 m).
- the conditions were as follows: beads having a diameter of about 0.2 mm made of zirconia, a filling rate of 83% by volume, a flow rate of about 15 liters / minute, and a number of passes of 16 times.
- the obtained heavy calcium carbonate had an average particle size of 0.20 ⁇ m.
- the slurry concentration was 55%.
- Natural limestone is coarsely pulverized to a mean particle size of about 30 ⁇ m using a jaw crusher, hammer crusher, or roller mill, and water and a commercially available polyacrylic acid-based dispersant are added as solids per 100 parts by weight of heavy calcium carbonate. .5 parts by mass was added and stirred to obtain a pre-dispersed slurry of about 75%.
- This pre-dispersed slurry was processed using a wet pulverizer manufactured by Ashizawa Finetech Co., Ltd. (horizontal and cylindrical pulverization chamber dimensions: diameter of about 0.5 m, length of about 1.3 m).
- the conditions were as follows: beads having a diameter of about 0.2 mm made of zirconia, a filling rate of 83% by volume, a flow rate of about 15 liters / minute, and the number of passes were 24 times.
- the obtained heavy calcium carbonate had an average particle size of 0.12 ⁇ m.
- the slurry concentration was 52%.
- Natural limestone is coarsely pulverized to a mean particle size of about 30 ⁇ m using a jaw crusher, hammer crusher, or roller mill, and water and a commercially available polyacrylic acid-based dispersant are added as solids per 100 parts by weight of heavy calcium carbonate. .5 parts by mass was added and stirred to obtain a pre-dispersed slurry of about 75%.
- This pre-dispersed slurry was processed using a wet pulverizer manufactured by Ashizawa Finetech Co., Ltd. (horizontal and cylindrical pulverization chamber dimensions: diameter of about 0.5 m, length of about 1.3 m).
- the conditions were as follows: beads having a diameter of about 0.2 mm made of zirconia, a filling rate of 83% by volume, a flow rate of about 15 liters / minute, and a number of passes of 12 times.
- the obtained heavy calcium carbonate had an average particle size of 0.28 ⁇ m.
- the slurry concentration was 55%.
- Natural limestone is coarsely pulverized to a mean particle size of about 30 ⁇ m using a jaw crusher, hammer crusher, or roller mill, and water and a commercially available polyacrylic acid-based dispersant are added as solids per 100 parts by weight of heavy calcium carbonate. .5 parts by mass was added and stirred to obtain a pre-dispersed slurry of about 75%.
- This pre-dispersed slurry was processed using a wet pulverizer manufactured by Ashizawa Finetech Co., Ltd. (horizontal and cylindrical pulverization chamber dimensions: diameter of about 0.5 m, length of about 1.3 m).
- the conditions were as follows: beads having a diameter of about 0.2 mm made of zirconia, a filling rate of 83% by volume, a flow rate of about 15 liters / minute, and the number of passes was 34 times.
- the obtained heavy calcium carbonate had an average particle size of 0.07 ⁇ m.
- the slurry concentration was 50%.
- Natural limestone is coarsely pulverized to a mean particle size of about 30 ⁇ m using a jaw crusher, hammer crusher, or roller mill, and water and a commercially available polyacrylic acid-based dispersant are added as solids per 100 parts by weight of heavy calcium carbonate. .5 parts by mass was added and stirred to obtain a pre-dispersed slurry of about 75%.
- This pre-dispersed slurry was processed using a wet pulverizer manufactured by Ashizawa Finetech Co., Ltd. (horizontal and cylindrical pulverization chamber dimensions: diameter of about 0.5 m, length of about 1.3 m). The conditions were as follows.
- the beads were made of zirconia with a diameter of about 0.2 mm, the filling rate was 83% by volume, the flow rate was about 15 liters / minute, and the number of passes was 8.
- the obtained heavy calcium carbonate had an average particle size of 0.40 ⁇ m.
- the slurry concentration was 60%.
- the average particle size of the heavy calcium carbonate was determined by the following method.
- the particle size distribution of heavy calcium carbonate blended in the coating layer was determined under the following measurement conditions using a particle size distribution measuring instrument Microtrac MT3300EXII manufactured by Nikkiso Co., Ltd. From the particle size distribution result, a particle size distribution curve based on the volume related to the particle size of the pigment was prepared, and the average particle size was calculated by the analysis means attached to the measuring device.
- the coating layer coating solution was prepared according to the following contents. Blended with the above contents, mixed and dispersed with water to adjust the concentration to 48%.
- Pigments shown in Table 1 are as follows. Light calcium carbonate A (TP123, manufactured by Okutama Kogyo Co., Ltd., average particle size 0.63 ⁇ m) Light calcium carbonate B (Brillant-15, manufactured by Shiraishi Calcium Co., Ltd., average particle size 0.15 ⁇ m) Kaolin A (HG90, manufactured by Huber, average particle size 0.19 ⁇ m) Kaolin B (Kao Fine 90, manufactured by Shiroishi Calcium Co., Ltd., average particle size 1.1 ⁇ m)
- the coated paper for printing of Examples and Comparative Examples was prepared according to the following procedure.
- the coating layer coating solution was coated on both sides with a blade coater, dried, and then subjected to a calendar process to prepare a coated paper for printing.
- the coating amount was 10 g / m 2 per side.
- the offset printing press is an offset form rotary press manufactured by Miyakoshi Co., Ltd., printing speed: 150 m / min, ink used: T & K TOKA UV best cure ink and gold red, UV irradiation amount: 6000 m under the condition of 2 kW after printing
- the occurrence of blanket piling and the state of the printed sample were judged by visual evaluation. If the evaluation is 3 to 5, there is no practical problem. 5: Extremely good. 4: Good. 3: Range in which there is no practical problem. 2: Defect. 1: Extremely bad.
- Table 1 shows the evaluation results of the offset printing suitability using the printing coated paper of each Example and each Comparative Example, and the mottling, coloring property and scratch resistance of the printed part in inkjet printing.
- Examples 1 to 15 corresponding to the coated paper for printing of the present invention have offset printing suitability, can suppress mottling in ink jet printing, and have scratch resistance in the printed portion and color development in the dye ink. It can be seen that prints with excellent image quality and excellent image quality can be produced.
- Table 1 shows that Comparative Examples 1 to 16 that do not satisfy the conditions of the present invention do not satisfy all of the effects of the present invention.
- the printed matter production method of the present invention suppresses mottling, excellent color development in dye ink, and good scratch resistance of the printed portion. It can be seen that a printed material can be produced.
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Description
原紙がカチオン性樹脂および水溶性多価陽イオン塩から選ばれる少なくとも1種を含有する処理液によってサイズプレスしてなる処理原紙であり、カチオン性樹脂および水溶性多価陽イオン塩から選ばれる少なくとも1種の片面あたりの固形分換算総塗布量が0.1g/m2以上5.0g/m2以下の範囲であり、且つ
塗工層中の顔料の少なくとも1種が平均粒子径0.1μm以上0.28μm以下の範囲である重質炭酸カルシウムであり、平均粒子径0.1μm以上0.28μm以下の範囲である重質炭酸カルシウムの塗工層中の含有量が該塗工層中の総顔料100質量部に対して60質量部以上の範囲であることを特徴とする印刷用塗工紙によって解決できる。
本発明の印刷用塗工紙によって、オフセット印刷適性が良好であり、且つインクジェット印刷において、印刷画像部分のモットリングが抑えられ、染料インクにおける発色性が優れ、印刷部分の耐擦過性が良好となる印刷用塗工紙を得ることができる。
原紙がカチオン性樹脂および水溶性多価陽イオン塩から選ばれる少なくとも1種を含有する処理液によってサイズプレスしてなる処理原紙であり、カチオン性樹脂および水溶性多価陽イオン塩から選ばれる少なくとも1種の片面あたりの固形分換算総塗布量が0.1g/m2以上5.0g/m2以下の範囲であり、且つ
塗工層中の顔料の少なくとも1種が平均粒子径0.1μm以上0.28μm以下の範囲である重質炭酸カルシウムであり、平均粒子径0.1μm以上0.28μm以下の範囲である重質炭酸カルシウムの塗工層中の含有量が該塗工層中の総顔料100質量部に対して60質量部以上の範囲である印刷用塗工紙を用い、
印刷機の印刷速度が60m/分以上であるインクジェット印刷機によって印刷物を製造することを含む印刷物製造方法によって解決できる。
本発明の印刷物製造方法により、モットリングが抑制され、染料インクにおける発色性が優れ、印刷部分の耐擦過性が良好である商業印刷物となり得る印刷物をインクジェット印刷機によって製造することができる。
<処理原紙1>
濾水度400mlcsfのLBKP100部からなるパルプスラリーに、填料として軽質炭酸カルシウム12部、両性澱粉0.8部、硫酸アルミニウム0.8部、アルキルケテンダイマー型サイズ剤(サイズパインK903、荒川化学工業社製)1.0部を添加して、長網抄紙機で抄造し、サイズプレス装置で片面あたりリン酸エステル化澱粉を3.0g/m2、ジメチルアミン-エピクロルヒドリン縮合物(ジェットフィックス36N、里田化工社製)を3.0g/m2付着させ、マシンカレンダー処理をして坪量100g/m2の処理原紙1を作製した。
濾水度400mlcsfのLBKP100部からなるパルプスラリーに、填料として軽質炭酸カルシウム12部、両性澱粉0.8部、硫酸アルミニウム0.8部、アルキルケテンダイマー型サイズ剤(サイズパインK903、荒川化学工業社製)1.0部を添加して、長網抄紙機で抄造し、サイズプレス装置で片面あたりリン酸エステル化澱粉を3.0g/m2、ジメチルアミン-エピクロルヒドリン縮合物(ジェットフィックス36N、里田化工社製)を0.1g/m2付着させ、マシンカレンダー処理をして坪量100g/m2の処理原紙2を作製した。
濾水度400mlcsfのLBKP100部からなるパルプスラリーに、填料として軽質炭酸カルシウム12部、両性澱粉0.8部、硫酸アルミニウム0.8部、アルキルケテンダイマー型サイズ剤(サイズパインK903、荒川化学工業社製)1.0部を添加して、長網抄紙機で抄造し、サイズプレス装置で片面あたりリン酸エステル化澱粉を3.0g/m2、ジメチルアミン-エピクロルヒドリン縮合物(ジェットフィックス36N、里田化工社製)を5.0g/m2付着させ、マシンカレンダー処理をして坪量100g/m2の処理原紙3を作製した。
濾水度400mlcsfのLBKP100部からなるパルプスラリーに、填料として軽質炭酸カルシウム12部、両性澱粉0.8部、硫酸アルミニウム0.8部、アルキルケテンダイマー型サイズ剤(サイズパインK903、荒川化学工業社製)1.0部を添加して、長網抄紙機で抄造し、サイズプレス装置で片面あたりリン酸エステル化澱粉を3.0g/m2、ジメチルアミン-エピクロルヒドリン縮合物(ジェットフィックス36N、里田化工社製)を0.05g/m2付着させ、マシンカレンダー処理をして坪量100g/m2の処理原紙4を作製した。
濾水度400mlcsfのLBKP100部からなるパルプスラリーに、填料として軽質炭酸カルシウム12部、両性澱粉0.8部、硫酸アルミニウム0.8部、アルキルケテンダイマー型サイズ剤(サイズパインK903、荒川化学工業社製)1.0部を添加して、長網抄紙機で抄造し、サイズプレス装置で片面あたりリン酸エステル化澱粉を3.0g/m2、ジメチルアミン-エピクロルヒドリン縮合物(ジェットフィックス36N、里田化工社製)を5.5g/m2付着させ、マシンカレンダー処理をして坪量100g/m2の処理原紙5を作製した。
濾水度400mlcsfのLBKP100部からなるパルプスラリーに、填料として軽質炭酸カルシウム12部、両性澱粉0.8部、硫酸アルミニウム0.8部、アルキルケテンダイマー型サイズ剤(サイズパインK903、荒川化学工業社製)1.0部を添加して、長網抄紙機で抄造し、サイズプレス装置で片面あたりリン酸エステル化澱粉を3.0g/m2、硝酸カルシウムを3.0g/m2付着させ、マシンカレンダー処理をして坪量100g/m2の処理原紙6を作製した。
濾水度400mlcsfのLBKP100部からなるパルプスラリーに、填料として軽質炭酸カルシウム12部、両性澱粉0.8部、硫酸アルミニウム0.8部、アルキルケテンダイマー型サイズ剤(サイズパインK903、荒川化学工業社製)1.0部を添加して、長網抄紙機で抄造し、サイズプレス装置で片面あたりリン酸エステル化澱粉を3.0g/m2、硝酸カルシウムを0.1g/m2付着させ、マシンカレンダー処理をして坪量100g/m2の処理原紙7を作製した。
濾水度400mlcsfのLBKP100部からなるパルプスラリーに、填料として軽質炭酸カルシウム12部、両性澱粉0.8部、硫酸アルミニウム0.8部、アルキルケテンダイマー型サイズ剤(サイズパインK903、荒川化学工業社製)1.0部を添加して、長網抄紙機で抄造し、サイズプレス装置で片面あたりリン酸エステル化澱粉を3.0g/m2、硝酸カルシウムを5.0g/m2付着させ、マシンカレンダー処理をして坪量100g/m2の処理原紙8を作製した。
濾水度400mlcsfのLBKP100部からなるパルプスラリーに、填料として軽質炭酸カルシウム12部、両性澱粉0.8部、硫酸アルミニウム0.8部、アルキルケテンダイマー型サイズ剤(サイズパインK903、荒川化学工業社製)1.0部を添加して、長網抄紙機で抄造し、サイズプレス装置で片面あたりリン酸エステル化澱粉を3.0g/m2、硝酸カルシウムを0.05g/m2付着させ、マシンカレンダー処理をして坪量100g/m2の処理原紙9を作製した。
濾水度400mlcsfのLBKP100部からなるパルプスラリーに、填料として軽質炭酸カルシウム12部、両性澱粉0.8部、硫酸アルミニウム0.8部、アルキルケテンダイマー型サイズ剤(サイズパインK903、荒川化学工業社製)1.0部を添加して、長網抄紙機で抄造し、サイズプレス装置で片面あたりリン酸エステル化澱粉を3.0g/m2、硝酸カルシウムを5.5g/m2付着させ、マシンカレンダー処理をして坪量100g/m2の処理原紙10を作製した。
濾水度400mlcsfのLBKP100部からなるパルプスラリーに、填料として軽質炭酸カルシウム12部、両性澱粉0.8部、硫酸アルミニウム0.8部、アルキルケテンダイマー型サイズ剤(サイズパインK903、荒川化学工業社製)1.0部を添加して、長網抄紙機で抄造し、サイズプレス装置で片面あたりリン酸エステル化澱粉を3.0g/m2、塩化ナトリウムを3.0g/m2付着させ、マシンカレンダー処理をして坪量100g/m2の処理原紙11を作製した。
濾水度400mlcsfのLBKP100部からなるパルプスラリーに、填料として軽質炭酸カルシウム12部、両性澱粉0.8部、硫酸アルミニウム0.8部、アルキルケテンダイマー型サイズ剤(サイズパインK903、荒川化学工業社製)1.0部を添加して、長網抄紙機で抄造し、サイズプレス装置で片面あたりリン酸エステル化澱粉を3.0g/m2、アニオン性アクリル樹脂(ボンコートAN-680、DIC社製)を3.0g/m2付着させ、マシンカレンダー処理をして坪量100g/m2の処理原紙12を作製した。
濾水度400mlcsfのLBKP100部からなるパルプスラリーに、填料として軽質炭酸カルシウム12部、両性澱粉0.8部、硫酸アルミニウム0.8部、アルキルケテンダイマー型サイズ剤(サイズパインK903、荒川化学工業社製)1.0部を添加して、長網抄紙機で抄造し、サイズプレス装置で片面あたりリン酸エステル化澱粉を3.0g/m2付着させ、マシンカレンダー処理をして坪量100g/m2の処理原紙13を作製した。
<重質炭酸カルシウム1>
天然の石灰石をジョークラッシャー、ハンマークラッシャー、ローラーミルによって平均粒子径30μm程度までに粗粉砕して、これに水と市販のポリアクリル酸系分散剤を重質炭酸カルシウム100質量部当たり固形分として1.5質量部加えて攪拌し、約75%の予備分散スラリーとした。この予備分散スラリーをアシザワ・ファインテック社製湿式粉砕機(横型、円柱型粉砕室の寸法:直径約0.5m、長さ約1.3m)を用いて処理した。条件は、ビーズにジルコニア製直径約0.2mmを用い、充填率を83体積%、流量を約15リットル/分、パス回数を16回とした。得られた重質炭酸カルシウムは平均粒子径0.20μmであった。また、スラリー濃度は、55%であった。
天然の石灰石をジョークラッシャー、ハンマークラッシャー、ローラーミルによって平均粒子径30μm程度までに粗粉砕して、これに水と市販のポリアクリル酸系分散剤を重質炭酸カルシウム100質量部当たり固形分として1.5質量部加えて攪拌し、約75%の予備分散スラリーとした。この予備分散スラリーをアシザワ・ファインテック社製湿式粉砕機(横型、円柱型粉砕室の寸法:直径約0.5m、長さ約1.3m)を用いて処理した。条件は、ビーズにジルコニア製直径約0.2mmを用い、充填率を83体積%、流量を約15リットル/分、パス回数を24回とした。得られた重質炭酸カルシウムは平均粒子径0.12μmであった。また、スラリー濃度は、52%であった。
天然の石灰石をジョークラッシャー、ハンマークラッシャー、ローラーミルによって平均粒子径30μm程度までに粗粉砕して、これに水と市販のポリアクリル酸系分散剤を重質炭酸カルシウム100質量部当たり固形分として1.5質量部加えて攪拌し、約75%の予備分散スラリーとした。この予備分散スラリーをアシザワ・ファインテック社製湿式粉砕機(横型、円柱型粉砕室の寸法:直径約0.5m、長さ約1.3m)を用いて処理した。条件は、ビーズにジルコニア製直径約0.2mmを用い、充填率を83体積%、流量を約15リットル/分、パス回数を12回とした。得られた重質炭酸カルシウムは平均粒子径0.28μmであった。また、スラリー濃度は、55%であった。
天然の石灰石をジョークラッシャー、ハンマークラッシャー、ローラーミルによって平均粒子径30μm程度までに粗粉砕して、これに水と市販のポリアクリル酸系分散剤を重質炭酸カルシウム100質量部当たり固形分として1.5質量部加えて攪拌し、約75%の予備分散スラリーとした。この予備分散スラリーをアシザワ・ファインテック社製湿式粉砕機(横型、円柱型粉砕室の寸法:直径約0.5m、長さ約1.3m)を用いて処理した。条件は、ビーズにジルコニア製直径約0.2mmを用い、充填率を83体積%、流量を約15リットル/分、パス回数を34回とした。得られた重質炭酸カルシウムは平均粒子径0.07μmであった。また、スラリー濃度は、50%であった。
天然の石灰石をジョークラッシャー、ハンマークラッシャー、ローラーミルによって平均粒子径30μm程度までに粗粉砕して、これに水と市販のポリアクリル酸系分散剤を重質炭酸カルシウム100質量部当たり固形分として1.5質量部加えて攪拌し、約75%の予備分散スラリーとした。この予備分散スラリーをアシザワ・ファインテック社製湿式粉砕機(横型、円柱型粉砕室の寸法:直径約0.5m、長さ約1.3m)を用いて処理した。条件は、ビーズにジルコニア製直径約0.2mmを用い、充填率を83体積%、流量を約15リットル/分、パス回数を8回とした。得られた重質炭酸カルシウムは平均粒子径0.40μmであった。また、スラリー濃度は、60%であった。
上記の重質炭酸カルシウムの平均粒子径は以下の方法で求めた。塗工層に配合した重質炭酸カルシウムの粒度分布を、日機装社製粒度分布測定器Microtrac MT3300EXIIを用い、以下の測定条件で求めた。
粒度分布結果から、顔料の粒子径に関する体積を基準とした粒度分布曲線を作成し、測定器に付属する解析手段によって、平均粒子径を算出した。
軽質炭酸カルシウムA(TP123、奥多摩工業社製、平均粒子径0.63μm)
軽質炭酸カルシウムB(Brilliant-15、白石カルシウム社製、平均粒子径0.15μm)
カオリンA(HG90、ヒューバー社製、平均粒子径0.19μm)
カオリンB(カオファイン90、白石カルシウム社製、平均粒子径1.1μm)
処理原紙上に、塗工層塗工液をブレードコーターにて両面塗工し、乾燥させた後、カレンダー処理をして印刷用塗工紙を作製した。塗布量は片面当たり10g/m2とした。
オフセット印刷機にミヤコシ社製オフセットフォーム輪転機で、印刷速度:150m/分、使用インク:T&K TOKA UVベストキュア墨および金赤、UV照射量:8kW2基の条件で6000mの印刷を行い、印刷後のブランケットパイリングの発生状況および印刷サンプルの状態について目視評価で判定した。3~5の評価であれば、実用上に問題はない。
5:極めて良好。
4:良好。
3:実用上問題ない範囲。
2:不良。
1:極めて不良。
インクジェット印刷機にコダック社製印刷機Prosper 5000XL(インク:顔料インク、印刷速度:75m/分)を用い、印刷用塗工紙に、印刷機でブラック、シアン、マゼンタ、イエローの各単色および、ブラックインクを除く他の3色インクでの2重色(レッド、グリーン、ブルー)の計7色のベタパターンを、3cm×3cm四方で横一列に並べて記録するという方法で、ベタ印刷を行った。各色ベタ印刷画像部分のモットリング(極微細な斑点模様)の発生状態について目視評価で判定した。本発明において、モットリングは、3~5の評価であれば抑制できているとする。
5:モットリングが十分抑制されている。
4:極僅かにモットリングが認められる。
3:僅かにモットリングが認められる。実用上問題は無い。
2:部分的にモットリングが認められる。
1:はっきりとモットリングが認められる。
インクジェット印刷機に大日本スクリーン製造社製印刷機Truepress Jet520(インク:染料インク、印刷速度:72m/分)を用い、印刷用塗工紙に、印刷機で、ブラック、シアン、マゼンタ、イエローの各単色および、ブラックインクを除く他の3色インクでの2重色(レッド、グリーン、ブルー)の計7色のベタパターンを、2cm×2cm四方で横一列に並べて記録するという方法で、ベタ印刷を行った。各色ベタ印刷画像部分の発色性を色濃度および色鮮やかの観点から目視評価で判定した。本発明において、染料インクにおける発色性は、3~5の評価であれば優れているとする。
5:色濃度および色鮮やかさが共に良好である。
4:色濃度または色鮮やかさのいずれかが「5」より劣るが、良好である。
3:色濃度および色鮮やかさが実用的に問題ないレベルである。
2:色濃度または色鮮やかさのいずれかが「3」より劣り、実用上問題である。
1:色濃度および色鮮やかさが共に劣り、実用上問題である。
インクジェット印刷機にコダック社製印刷機Prosper 5000XL(インク:顔料インク、印刷速度:75m/分)を用い、印刷用塗工紙に、印刷機で18cm×18cm画サイズのブラックインクによるベタ画像を印刷した。印刷してから1時間後に、印刷用塗工紙の印刷面に500gまたは300gの荷重で、押し付け面積を4cm2とし、木綿のガーゼを押し付けて25回摩擦試験を行い、印刷部分の傷の状態について目視評価で判定した。本発明において、印刷部の耐擦過性は、3~5の評価であれば耐擦過性が良好であるとする。
5:500gのとき、ほとんど傷が認められない。
4:500gのとき、僅かに傷が認められるが、許容レベルである。
3:300gのとき、僅かに傷が認められるが、許容レベルである。
2:300gのとき、多少の傷が認められる。
1:300gのとき、著しく傷が認められる。
Claims (2)
- 原紙の少なくとも一方の面に顔料とバインダーを主成分とする塗工層を設けた印刷用塗工紙において、
原紙がカチオン性樹脂および水溶性多価陽イオン塩から選ばれる少なくとも1種を含有する処理液によってサイズプレスされてなる処理原紙であり、カチオン性樹脂および水溶性多価陽イオン塩から選ばれる少なくとも1種の片面あたり固形分換算総塗布量が0.1g/m2以上5.0g/m2以下の範囲であり、且つ
塗工層中の顔料の少なくとも1種が平均粒子径0.1μm以上0.28μm以下の重質炭酸カルシウムであり、平均粒子径0.1μm以上0.28μm以下の重質炭酸カルシウムの塗工層中の含有量が塗工層中の総顔料100質量部に対して60質量部以上の範囲であることを特徴とする印刷用塗工紙。 - 請求項1に記載の印刷用塗工紙を用い、印刷機の印刷速度が60m/分以上であるインクジェット印刷機によって印刷物を製造することを含む印刷物製造方法。
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| US14/373,125 US9789722B2 (en) | 2012-01-20 | 2013-01-15 | Printing coated paper and method for producing a printed material using the same |
| CN201380005423.6A CN104066888B (zh) | 2012-01-20 | 2013-01-15 | 印刷用涂布纸及使用它的印刷物制造方法 |
| JP2013554293A JP6106609B2 (ja) | 2012-01-20 | 2013-01-15 | 印刷用塗工紙およびそれを用いる印刷物製造方法 |
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| US9840103B2 (en) | 2014-02-12 | 2017-12-12 | Mitsubishi Paper Mills Limited | Lightweight coated printing paper for industrial inkjet printing press |
| WO2016017313A1 (ja) * | 2014-07-29 | 2016-02-04 | 三菱製紙株式会社 | 産業用インクジェット印刷機向け印刷用塗工紙および印刷物製造方法 |
| JPWO2016017313A1 (ja) * | 2014-07-29 | 2017-04-27 | 三菱製紙株式会社 | 産業用インクジェット印刷機向け印刷用塗工紙および印刷物製造方法 |
| US9873985B2 (en) | 2014-07-29 | 2018-01-23 | Mitsubishi Paper Mills Limited | Coated printing paper for industrial inkjet printing press and method of producing printed material |
| CN104746385A (zh) * | 2015-02-05 | 2015-07-01 | 上海骏源实业股份有限公司 | 一种珠光双面色卡的制造方法 |
| JP2016175399A (ja) * | 2015-03-20 | 2016-10-06 | 三菱製紙株式会社 | 輪転方式の産業用インクジェット印刷機向け印刷用紙および印刷物製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2013108753A1 (ja) | 2015-05-11 |
| JP6106609B2 (ja) | 2017-04-05 |
| DE112013000632T5 (de) | 2014-10-09 |
| CN104066888A (zh) | 2014-09-24 |
| US9789722B2 (en) | 2017-10-17 |
| CN104066888B (zh) | 2016-11-09 |
| US20140363581A1 (en) | 2014-12-11 |
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