WO2001072526A1 - Materiau d'impression a jet d'encre pour encre non aqueuse - Google Patents

Materiau d'impression a jet d'encre pour encre non aqueuse Download PDF

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Publication number
WO2001072526A1
WO2001072526A1 PCT/JP2001/002009 JP0102009W WO0172526A1 WO 2001072526 A1 WO2001072526 A1 WO 2001072526A1 JP 0102009 W JP0102009 W JP 0102009W WO 0172526 A1 WO0172526 A1 WO 0172526A1
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WO
WIPO (PCT)
Prior art keywords
ink
recording material
aqueous
jet recording
filler
Prior art date
Application number
PCT/JP2001/002009
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English (en)
Japanese (ja)
Inventor
Masao Utsumi
Kunio Kasamatsu
Hideya Arisue
Original Assignee
Mitsubishi Paper Mills Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Paper Mills Limited filed Critical Mitsubishi Paper Mills Limited
Priority to DE60102004T priority Critical patent/DE60102004T2/de
Priority to EP01912350A priority patent/EP1270247B1/fr
Publication of WO2001072526A1 publication Critical patent/WO2001072526A1/fr

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Classifications

    • 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
    • B41M5/0035—Uncoated paper

Definitions

  • the present invention relates to an ink jet recording material for a non-aqueous ink used in a printer, a plotter or the like utilizing an ink jet recording method using a non-aqueous ink. More specifically, the present invention relates to a so-called plain paper type ink jet recording material which does not have a coating layer containing a pigment on a recording surface. In particular, the ink absorbency of a non-aqueous ink containing a petroleum oil-based boiling point solvent. The present invention relates to a non-aqueous ink jet recording material for a non-aqueous ink, which does not impair the bleeding property.
  • an ink in which a dye or pigment is dissolved or dispersed in an aqueous or oily solvent has been used as ink.
  • water-soluble dye inks in which various water-soluble dyes are dissolved in water are mainly used.
  • the water-soluble dye ink has excellent maintainability of the ink ejection head of the ink jet recording apparatus, and also has excellent color development after printing and resolution.
  • water-soluble dyes are inherently poor in weather resistance (fading or disappearance of images due to light, air, temperature and humidity), and the disadvantage is that images rapidly fade or disappear when a recording medium is exhibited outdoors. There is.
  • ink jet recording using aqueous ink has various problems that occur when a printed portion of a recording material expands by absorbing a solvent (mainly water) in the ink.
  • a solvent mainly water
  • Such elongation of the recording material is caused by hydrogen bonds between the fibers that maintain the mechanical strength of the support, which are cut by the solvent of the aqueous ink, particularly water, and adversely affects the transport of the recording material in the printer.
  • the accuracy of the relative positional relationship between the recording material and the printhead deteriorates, causing undesired phenomena such as a decrease in the dimensional accuracy of the resulting drawings and an uneven image. ing.
  • Japanese Patent Application Laid-Open Nos Japanese Patent Application Laid-Open Nos.
  • Japanese Patent Application Laid-Open No. Sho 624-2785 discloses a recording material having a coating layer comprising an oil-absorbing inorganic pigment, an organic pigment and an aqueous adhesive. Further, Japanese Patent Application Laid-Open No. 1-255580 discloses a recording material comprising silica and an adhesive. These recording materials were so-called mat coat type recording materials having a matte appearance on the recording surface.
  • An object of the present invention is to provide an ink jet recording material for a non-aqueous ink which is excellent in bridging resistance without impairing the ink absorption of a non-aqueous ink containing a petroleum-based high-boiling solvent. Disclosure of the invention
  • recording is performed using a non-aqueous ink containing a non-aqueous solvent as a main solvent.
  • An ink jet recording material wherein the recording material contains wood pulp and filler, and the filler contains at least one selected from the group consisting of calcined kaolin, light calcium carbonate, aluminum hydroxide, and magnesium hydroxide; and When the total content of the filler is not less than 5% by weight and not more than 35% by weight as an ash specified in JISP 8128, the ink absorbency of the non-aqueous ink is not impaired and the bleeding resistance is improved.
  • the present invention provides an excellent ink jet recording material for non-aqueous ink.
  • a non-aqueous ink recording material for a non-aqueous ink which is excellent in bleeding resistance without impairing the ink absorbency of the non-aqueous ink can be obtained.
  • the absorption coefficient of Bristow (Bristow) by the non-aqueous solvent coloring liquid is 5
  • the density of the recording material specified in JISP 8118 is 0.60 g Z! !
  • the fixing property of the non-aqueous ink is further improved, and an ink jet recording material for a non-aqueous ink having excellent ink absorption can be obtained.
  • the present invention relates to a plain paper type ink jet recording material in which the recording material contains wood pulp and a filler and performs recording using a non-aqueous ink, wherein the filler is made of calcined kaolin, light calcium carbonate, aluminum hydroxide, and magnesium hydroxide. At least one member selected from the group.
  • the filler is made of calcined kaolin, light calcium carbonate, aluminum hydroxide, and magnesium hydroxide.
  • the ink absorbability is not impaired, and the ink solvent from around the printed portion with the passage of time does not deteriorate. Bleeding can be prevented.
  • the calcining power ol that can be used in the present invention can be obtained by various production methods.
  • dehydroxyl which is produced by calcining kaolinite at a temperature of about 650 ° C to 70 ° C.
  • chemically or partially calcined kaolin and fully calcined kaolin that is calcined at about 1000 ° C to 1050 ° C.
  • the calcining force obtained by these methods maintains the hexagonal plate shape of the particles, which is the same as before calcining, but loses structural water to become amorphous, and increases light scattering ability and adsorption activity. ing.
  • Light calcium carbonate that can be used in the present invention unlike heavy calcium carbonate obtained by physically pulverizing natural limestone, is obtained by synthesis by a chemical method. , Calcite type, aragonite type and vaterite type. In the paper industry, these light calcium carbonates are widely used as fillers or pigments. There are two methods for producing light calcium carbonate: a carbon dioxide compounding method in which carbon dioxide gas is blown into lime milk to react, and a carbonate solution compounding method obtained by reacting carbonate with an aqueous solution of calcium chloride. For the former, the former carbon dioxide compounding method is often used.
  • light calcium carbonate has a primary particle shape of a spindle, a needle, a column, or a cubic or rectangular parallelepiped with a rounded local part, and a primary particle diameter of about 0.05 to 1. ⁇ ⁇ . Things.
  • fine primary particles of light calcium carbonate often form aggregates in which a plurality or a large number of bonded primary particles are formed, so-called secondary particles.
  • the aluminum hydroxide that can be used in the present invention is, for example, a synthetic pigment produced by extracting bauxite with caseide, converting it to sodium aluminate, and hydrolyzing it to precipitate crystals.
  • Composition shape is represented by A 1 2 0 3 ⁇ 31 ⁇ 2 0 or 1 (OH) 3 is an inorganic pigment having a crystal form of monoclinic hexagonal plate shape, for example, Showa Denko KK or al "Haijirai It is commercially available under the name The pH is stable at 3.5-10.5 is there.
  • the magnesium hydroxide that can be used in the present invention is produced, for example, by reacting lime milk with seawater and precipitating magnesium chloride in the seawater into magnesium hydroxide.
  • the content of calcined kaolin, light calcium carbonate, aluminum hydroxide, and magnesium hydroxide in the recording material must be 5% by weight or more and 35% by weight or less as ash specified in JISP 8128. If it is less than 5% by weight, the desired effects of the present invention cannot be obtained. On the other hand, if it exceeds 35% by weight, the paper layer strength of the recording material becomes extremely poor, and the printing workability deteriorates. These fillers may be used alone or in combination of two or more. When two or more kinds are used in combination, it is sufficient that the total content falls within the range of the ash content.
  • the ash specified in JIS P 818 refers to the ash ashed at 900 ° C when calcium carbonate is not contained, and at 550 ° C when calcium carbonate is contained.
  • fillers such as talc, kaolin, clay, delamikaolin, heavy calcium carbonate, magnesium carbonate, titanium dioxide, zinc oxide, magnesium sulfate, calcium silicate, and aluminum silicate are provided as long as the desired effects of the present invention are not impaired.
  • Mineral fillers such as rubber, magnesium silicate, calcium sulphate, silica, sericite, bentonite, smectite, and organic synthesis such as polystyrene resin, urea resin, acrylic resin, melanin resin, benzoguanamine resin, etc.
  • One or more fillers such as fillers can be appropriately selected and used in combination, and furthermore, fillers contained in waste paper, broke, and the like can be recycled.
  • the total content of calcined kaolin, light calcium carbonate, aluminum hydroxide, and magnesium hydroxide may be 5% by weight or more and 35% by weight or less.
  • an internal sizing agent, a paper strength enhancer, and the like which are usually added in papermaking, can be added as long as the desired effects of the present invention are not impaired.
  • Neutral rosin-based sizing agents used in neutral papermaking, alkenyl succinic anhydride, alkylketene dimer, petroleum resin-based sizing agents, etc. can be used as internal sizing agents. It is desirable to use a neutral rosin sizing agent as a countermeasure against strike-through because it exhibits a large size effect.
  • various Anion, nonionic, c for example it has with cationic is suitably selected as required for paper making in ⁇ agent such as amphoteric paper strength agent, Various starches and polyacrylamides, polyethyleneimines, polyamines, polyamides' polyamines, urea formalin resins, melamine formalin resins, vegetable gums, polyvinyl alcohol, latex, polyethylene oxide, and polyamide resins One type or two or more types may be used in appropriate combination.
  • additives for papermaking such as coloring dyes, coloring pigments, fluorescent brighteners, pH regulators, defoamers, pitch control agents, slime control agents, etc. can be added as appropriate according to the purpose. is there.
  • a paper machine known in the papermaking industry such as a fourdrinier paper machine, a twin-wire paper machine, a combination paper machine, a round mesh paper machine, and a Yankee paper machine can be used as appropriate.
  • various resins, surface sizing agents, etc. can be applied by on-machine using a conventional size press, a getrol size press, a film transfer size press, or the like.
  • Examples of the resin applied by the size press include oxidized starch, phosphated starch, self-modified starch, cationized starch or various modified starches, polyethylene oxide, polyacrylamide, sodium polyacrylate, sodium alginate, Hydrate xymethylcellulose, methylcellulose, polyvinyl alcohol or derivatives thereof can be used alone or in combination.
  • the water-soluble cationic resin which is often used as a fixing agent or waterproofing agent for aqueous inks, has no fixing effect in the case of inkjet recording materials using non-aqueous inks. In some cases, it may not be desirable to contain it because it also has the effect of promoting bleeding and exacerbating strikethrough.
  • a surface sizing agent is appropriately used to control the permeability of the non-aqueous ink, and its main component is, for example, a styrene-noacrylic acid-based copolymer or styrene.
  • the Bristow absorption coefficient is defined as JAPANTAPPI pulp and paper 51 refers to the absorption coefficient Ka specified in the liquid absorption test method for paper and paperboard (Bristow method).
  • a non-aqueous solvent coloring liquid was used as the test liquid.
  • the test liquid is a non-aqueous coloring liquid similar to a non-aqueous ink prepared from 80 parts of a high boiling solvent, 20 parts of oleyl alcohol, and 0.1 part of a dye (Fat Red 7B). It is said that there is no simple correlation between the absorption coefficients of water and oil (non-aqueous liquid). If water penetrates, the surface chemistry is susceptible to changes in contact angle.
  • Bristow Absorption coefficient have been conducted under the measurement to the measuring method of the present invention is preferably 5 is 0 ml Zm 2 ⁇ sec 1/ 2 or more, 6 0 m 1 Zm 2 ⁇ sec 1/2 or more is more preferable.
  • Density of the present invention is the density of the paper defined by JISP 8 1 1 8, 0. 6 0 8 Bruno 0 111 3 or more 1. 0 5 g Z cm. The following is preferred. It is not clear why the density is related to the absorbency of non-aqueous inks, but as mentioned in the description of the Bristow method, the absorbency of non-aqueous inks is related to the pore structure of paper. it is conceivable that. Therefore, it is conceivable that the density correlated with the inter-fiber void amount is involved in the absorbency. The higher the density, the smaller the amount of voids between fibers and the lower the absorbency of the non-aqueous ink. If the density is too low, the number of voids will increase, but the retention (fixation) of the solvent (non-aqueous solvent) retained there will occur. It becomes worse and easier to flow.
  • the non-aqueous ink in the present invention refers to an ink for an inkjet printer mainly containing a non-aqueous solvent, a colorant (pigment and Z or dye) and a dispersant.
  • Non-aqueous solvents have a water content of substantially 5% by weight or less and include not only non-polar solvents but also polar organic solvents.
  • This non-aqueous solvent includes the characteristics of the ink ejection head of an inkjet recording device.
  • Various solvents are selected to meet the requirements or from the viewpoint of safety, and in some cases, a mixture of plural kinds of solvents may be used.
  • low-odor petroleum solvents components with various boiling points are mixed, so the distillation temperature varies and cannot be expressed as a single boiling point.
  • the distillation range of the solvent is from the initial distillation temperature to the end point temperature, and the initial distillation temperature is defined as the boiling point of the solvent.
  • the boiling point of the non-aqueous solvent is known to be as low as about 60 ° C to as high as 300 ° C or more, but in the present invention, a high-boiling solvent having a temperature of 100 ° C or more is preferably used. You. Particularly preferably, it is 150 ° C. or more. If the boiling point of the non-aqueous solvent is less than 100 ° C., the solvent evaporates and the ink dries, or diffuses into the surrounding air to emit odor, which is not preferable.
  • These high-boiling solvents are the main components of the ink solvent, but a small amount of a low-boiling solvent may be added to adjust the viscosity and surface tension of the ink.
  • solvents include the following: petroleum naphtha-based solvents such as Pegasol (manufactured by Mobile Oil Co., Ltd.), Shell SBR, and Shell Sol (manufactured by Shell Petrochemical Co., Ltd.); Aromatic petroleum solvents such as Nippon Oil Co., Ltd., Fats such as Solutol (manufactured by Philips Sekiyu), Exol, Risopar (manufactured by Exxon Chemical Co., Ltd.), and IP Solvent (manufactured by Idemitsu Petrochemical Co., Ltd.) And naphthenic petroleum solvents such as Ink Solvent (manufactured by Mitsubishi Petroleum Co., Ltd.).
  • petroleum naphtha-based solvents such as Pegasol (manufactured by Mobile Oil Co., Ltd.), Shell SBR, and Shell Sol (manufactured by Shell Petrochemical Co., Ltd.); Aromatic petroleum solvents such as Nippon Oil Co., Ltd., Fats such as Solutol (
  • polar organic solvent examples include, for example, alcohols, especially long-chain alcohols, glycols, polydaryls, esters and ethers of glycols and polyglycols, especially mono- and di-alkyl ethers of glycols and polydaryls, and ketones.
  • esters of dicarbonic acid for example, dioctyl sebacate.
  • colorants used in non-aqueous inks include naphthol dyes, azo dyes, metal complex dyes, anthraquinone dyes, quinoimine dyes, indigo dyes, cyanine dyes, quinoline dyes, nitro dyes, nitroso dyes, benzoquinone dyes, and carbohydrates.
  • Oil-soluble dyes such as dyes, naphthoquinone dyes, naphthalimid dyes, phthalocyanine dyes, and perinine dyes dissolved or dispersed; carbon blacks such as furnace black, lamp black, acetylene black, and channel black; Or an organic pigment such as ortho-nitro-a-rin phosphorus black, toluidine red, Permanent Carmine FB, First Yellow AAA, Disazo Orange PM P, Rake Red C, Brilliant Carmine 6B, Phthalocyanine ⁇ /-1, Quina Tari Donlett, Dioxane Violet, Pictoria Viure Blue, Alkaline Blue Toner, Firth Toelow 10G, onoletonitroaniline orange, toluin red, norcium red 2B, calcium red 2B, pigments power 1 red 3B rake, anthosine 3B rake, rhodamine 6G rake, methino revalo red rake, basic Bunolay 5 B Lake, First Tos
  • non-aqueous inks include, for example, polyacrylic esters, amadi oil-modified alkyd resins, polystyrene, rosin-based resins, and terpene phenols for the purpose of improving the storage stability and scratch resistance after printing.
  • Polar resin such as phenolic resin, alkylphenol-modified xylene resin, etc., metal sequestering agent, surface tension regulator, surfactant, viscosity modifier, defoamer, foam inhibitor, mold release agent, foaming agent
  • Additives such as a penetrant, a fluorescent whitening agent, an ultraviolet absorber, a preservative, a water-proofing agent, a Leo mouth simodefire and an antioxidant can be appropriately combined and contained.
  • Example 1 This is made into a Fourdrinier paper machine, and oxidized starch (trade name: MS-3800, manufactured by Japan Food Processing Co., Ltd.) is dried at a size press.
  • the recording paper of Example 1 was produced by adhering 1.2 g / m 2 and performing a machine calendar treatment of 3 ep.
  • the recording paper of Example 2 was produced in the same manner as in Example 1 except that the blending amount of the sintering force ore was changed to 12 parts.
  • the recording paper of Example 3 was produced in the same manner as in Example 1 except that the blending amount of calcined kaolin was changed to 20 parts.
  • Example 4 A recording paper of Example 4 was produced in the same manner as in Example 1 except that the blending amount of calcined oline was changed to 30 parts.
  • the recording paper of Example 5 was produced in the same manner as in Example 1 except that the blending amount of calcined kaolin was changed to 40 parts.
  • the ash content of this recording paper was 31.4% and the density was 0.78 g Z cm.
  • the recording paper of Example 6 was produced in the same manner as in Example 2 except that the machine calendar treatment of 3 ep was not performed.
  • the recording paper of Example 6 was subjected to a super-rendering process to produce the recording paper of Example 7.
  • the recording paper of Example 5 was further subjected to a super-rendering treatment to produce a recording paper of Example 8.
  • the recording paper of Example 9 was further subjected to a super-rendering treatment to produce the recording paper of Example 9.
  • Example 1 Same as Example 1 except that the amount of calcined kaolin was changed to 4 parts in Example 1. Thus, the recording paper of Comparative Example 1 was produced.
  • the recording paper of Comparative Example 1 was further subjected to a super-rendering treatment to produce a recording paper of Comparative Example 2.
  • Example 1 the recording of Example 10 was performed in the same manner as in Example 1 except that light calcium carbonate (trade name: Tamapearl TP121, manufactured by Okutama Kogyo Co., Ltd.) was used in place of the calcined oline. Paper was made.
  • light calcium carbonate trade name: Tamapearl TP121, manufactured by Okutama Kogyo Co., Ltd.
  • a recording paper of Example 11 was produced in the same manner as in Example 10, except that the blending amount of light calcium carbonate was changed to 12 parts.
  • a recording paper of Example 12 was produced in the same manner as in Example 10, except that the blending amount of light calcium carbonate was changed to 20 parts.
  • a recording paper of Example 13 was produced in the same manner as in Example 10, except that the blending amount of light calcium carbonate was changed to 30 parts.
  • a recording paper of Example 14 was produced in the same manner as in Example 10, except that the blending amount of light calcium carbonate was changed to 40 parts.
  • the recording paper of Example 15 was produced in the same manner as in Example 11 except that the machine calendar treatment of 3 ep was not performed.
  • the recording paper of Example 16 was subjected to a super-rendering treatment to produce the recording paper of Example 16.
  • Example 18 The recording paper of Example 14 was further subjected to a super calender treatment to produce the recording paper of Example 17.
  • the recording paper of Example 11 was further subjected to a super calendar treatment to produce a recording paper of Example 18.
  • a recording paper of Comparative Example 3 was produced in the same manner as in Example 10, except that the amount of light calcium carbonate was changed to 4 parts.
  • the recording paper of Comparative Example 3 was further subjected to a super-rendering treatment to produce a recording paper of Comparative Example 4.
  • the recording paper of Example 19 was prepared in the same manner as in Example 1, except that aluminum hydroxide (trade name: Higlylite H-42, manufactured by Showa Denko KK) was used instead of calcined kaolin. Was prepared.
  • aluminum hydroxide trade name: Higlylite H-42, manufactured by Showa Denko KK
  • the recording paper of Example 20 was produced in the same manner as in Example 19, except that the blending amount of aluminum hydroxide was changed to 12 parts.
  • the recording paper of Example 21 was produced in the same manner as in Example 19, except that the blending amount of aluminum hydroxide was changed to 20 parts.
  • a recording paper of Example 22 was produced in the same manner as in Example 19, except that the amount of aluminum hydroxide was changed to 30 parts.
  • the recording paper of Example 23 was produced in the same manner as in Example 19 except that the mixing amount of aluminum hydroxide was changed to 37 parts.
  • Example 24 The recording paper of Example 24 was produced in the same manner as in Example 20 except that the machine calendar treatment of 32 nips was not performed in Example 20.
  • Example 2 5 The recording paper of Example 25 was subjected to a super-rendering treatment to produce the recording paper of Example 25.
  • the recording paper of Example 23 was further subjected to a super-rendering treatment to produce the recording paper of Example 26.
  • the recording paper of Example 20 was further subjected to a super-rendering treatment to produce a recording paper of Example 27.
  • a recording paper of Comparative Example 5 was produced in the same manner as in Example 19 except that the amount of aluminum hydroxide was changed to 4 parts.
  • the recording paper of Comparative Example 5 was further subjected to a super-rendering treatment to produce a recording paper of Comparative Example 6.
  • Example 28 The recording of Example 28 was conducted in the same manner as in Example 1 except that calcined kaolin was replaced by magnesium hydroxide (product name: Kisuma 5A, manufactured by Kyowa Chemical Industry Co., Ltd.). Paper was made.
  • magnesium hydroxide product name: Kisuma 5A, manufactured by Kyowa Chemical Industry Co., Ltd.
  • the recording paper of Example 29 was produced in the same manner as in Example 28 except that the blending amount of magnesium hydroxide was changed to 12 parts.
  • the recording paper of Example 30 was produced in the same manner as in Example 28 except that the mixing amount of magnesium hydroxide was changed to 20 parts.
  • the recording paper of Example 31 was produced in the same manner as in Example 28 except that the blending amount of magnesium hydroxide was changed to 30 parts.
  • Example 28 was repeated except that the amount of magnesium hydroxide was changed to 37 parts.
  • the recording paper of Example 32 was produced in the same manner as in Example 28.
  • Example 29 a recording paper of Example 33 was produced in the same manner as Example 29, except that the machine calendar treatment of three nips was not performed.
  • the recording paper of Example 33 was subjected to a super-rendering treatment to produce the recording paper of Example 34.
  • the recording paper of Example 32 was further subjected to a super-rendering treatment to produce the recording paper of Example 35.
  • the recording paper of Example 29 was further subjected to a super-rendering treatment to produce the recording paper of Example 36.
  • a recording paper of Comparative Example 7 was produced in the same manner as in Example 28 except that the mixing amount of magnesium hydroxide was changed to 4 parts.
  • the recording paper of Comparative Example 7 was further subjected to a super-rendering treatment to produce a recording paper of Comparative Example 8.
  • Oxidized starch (trade name: MS-3800, manufactured by Japan Food Processing Co., Ltd.)
  • Example 3 7 recording papers were produced.
  • Example 37 was repeated in the same manner as in Example 37 except that 3 parts of aluminum hydroxide (trade name: Heidilite H-42, manufactured by Showa Denko KK) was used instead of light calcium carbonate. 38 recording papers were produced.
  • 3 parts of aluminum hydroxide (trade name: Heidilite H-42, manufactured by Showa Denko KK) was used instead of light calcium carbonate. 38 recording papers were produced.
  • Example 3 was repeated in the same manner as in Example 37 except that 4 parts of aluminum hydroxide (trade name: Heidilite H—42, manufactured by Showa Denko KK) was used instead of calcined kaolin. Nine recording papers were produced.
  • aluminum hydroxide trade name: Heidilite H—42, manufactured by Showa Denko KK
  • Example 40 was repeated in the same manner as in Example 37 except that 4 parts of magnesium hydroxide (trade name: Kisuma 5A, manufactured by Kyowa Chemical Industry Co., Ltd.) was used instead of calcined kaolin. Recording paper was prepared.
  • magnesium hydroxide trade name: Kisuma 5A, manufactured by Kyowa Chemical Industry Co., Ltd.
  • Example 37 3 parts of magnesium hydroxide (trade name: Kisuma 5A, manufactured by Kyowa Chemical Industry Co., Ltd.) was used instead of calcined kaolin, and aluminum hydroxide (trade name: Hygilight H) was used instead of light calcium carbonate. —42, manufactured by Showa Denko KK The recording paper of Example 41 was prepared in the same manner as in Example 37, except that four copies were used.
  • magnesium hydroxide trade name: Kisuma 5A, manufactured by Kyowa Chemical Industry Co., Ltd.
  • aluminum hydroxide trade name: Hygilight H
  • Example 42 was the same as Example 37 except that 3 parts of magnesium hydroxide (trade name: Kisuma 5A, manufactured by Kyowa Chemical Industry Co., Ltd.) was used in place of light calcium carbonate in Example 37. Was prepared.
  • 3 parts of magnesium hydroxide trade name: Kisuma 5A, manufactured by Kyowa Chemical Industry Co., Ltd.
  • a recording paper of Comparative Example 9 was produced in the same manner as in Example 37 except that 4 parts of heavy calcium carbonate was used instead of calcined kaolin.
  • a recording paper of Comparative Example 10 was produced in the same manner as in Example 37 except that 4 parts of talc were used instead of calcined kaolin.
  • Comparative Example 1 1 A recording paper of Comparative Example 11 was produced in the same manner as in Example 2 except that 12 parts of calcined kaolin was replaced with 12 parts of heavy calcium carbonate.
  • a recording paper of Comparative Example 12 was produced in the same manner as in Example 2, except that 12 parts of calcined kaolin was replaced with 20 parts of talc.
  • Ink Absorbency was evaluated using an inkjet printer (PJ360: manufactured by Olympus Optical Industries, Ltd.). Immediately after printing a solid, two-color, three-color or three-color solid print By visually observing and evaluating the dryness of the ink, the ink that could be printed without overflowing even with three colors and multiple colors was printed as ⁇ 5 '', and the two colors were printed without overflowing the ink. "4" indicates that the ink slightly overflowed with color, "3" indicates that the ink slightly overflowed and caused printing unevenness, but "1" indicates that the ink overflowed.
  • bleeding was carried out by visually observing and evaluating the bleeding of the ink solvent from around the printing part 24 hours after the solid printing part where the three colors were overlaid, and evaluating the bleeding when there was no bleeding at all. “ ⁇ ” indicates that there is no practical problem but slight oozing occurred, and “ ⁇ ” indicates that oozing clearly occurred.
  • Epson inkjet printer (PM770C) is used as reference data. A similar evaluation was made with a black ink (water-based ink).
  • Examples 1 to 36 show excellent bleeding when recorded with non-aqueous ink.
  • Examples 1 to 7, 10 to: 16, 16, 19 to 25, and 28 to 34 whose density is 0.60 g / cm 3 or more and 1.05 gZ cm 3 or less have an ink absorption property. Especially excellent.
  • Comparative Example 11 in which the filler was heavy calcium carbonate had no problem with the aqueous ink, but bleeding was poor for the non-aqueous ink, and Comparative Example 12 in which the filler was talc was used for both the ink absorption and the bleeding. It was bad.

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Abstract

L'invention porte sur un matériau d'impression à jet d'encre pour encre non aqueuse dont la face d'impression ne comporte pas de couche pigmentée, c'est-à-dire de type papier non couché. Ce matériau d'impression est extrêmement efficace dans la prévention du lavage lors de l'impression avec des encres non aqueuses contenant un solvant pétrolier à point d'ébullition élevé. Ce matériau d'impression comprend de la pâte de bois et une matière de charge et est destiné à être utilisé dans l'impression à jet d'encre avec un encre non aqueuse. La matière de charge comprend au moins un élément sélectionné dans le groupe comprenant un kaolin calciné, un carbonate de calcium léger, un hydroxyde d'aluminium et un hydroxyde de magnésium et a une teneur en cendre comprise entre 5 et 35 % en poids. Le solvant contenu dans l'encre non aqueuse a de préférence un point d'ébullition égal ou supérieur à 100 °C, un coefficient d'absorption de Bristow égal ou supérieur à 50 ml/m?2.sec1/2¿ et une densité comprise entre 0,60 et 1,05 g/cm3.
PCT/JP2001/002009 2000-03-29 2001-03-14 Materiau d'impression a jet d'encre pour encre non aqueuse WO2001072526A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE60102004T DE60102004T2 (de) 2000-03-29 2001-03-14 Tintenstrahlaufzeichnungsmaterial für nichtwässige tinte
EP01912350A EP1270247B1 (fr) 2000-03-29 2001-03-14 Materiau d'impression a jet d'encre pour encre non aqueuse

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2000092327 2000-03-29
JP2000-92327 2000-03-29
JP2000198597 2000-06-30
JP2000-198597 2000-06-30

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WO2001072526A1 true WO2001072526A1 (fr) 2001-10-04

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CN (1) CN1419499A (fr)
DE (1) DE60102004T2 (fr)
WO (1) WO2001072526A1 (fr)

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JP4565463B2 (ja) * 2003-12-10 2010-10-20 ダイニック株式会社 インクジェット用非水系顔料インク

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EP1270247B1 (fr) 2004-02-11
CN1419499A (zh) 2003-05-21
DE60102004T2 (de) 2004-12-09
DE60102004D1 (de) 2004-03-18
EP1270247A4 (fr) 2003-06-11

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