INK, INK CARTRIDGE, AND IMAGE RECORDING METHOD

An ink includes a self-dispersing pigment, polyurethane resin particles, a surfactant, and water. The self-dispersing pigment is a pigment having a phosphonic acid group bonded directly or via another atomic group to a surface thereof. The surfactant is represented by general formula (1): 2. The ink according to claim 1 , wherein the phosphonic acid group is a bisphosphonic acid group.3. The ink according to claim 1 , wherein a mass ratio of an amount of the surfactant to an amount of the self-dispersing pigment is 0.08 or more and 1.00 or less.4. The ink according to claim 1 , wherein an amount (mass %) of the self-dispersing pigment is 0.1 mass % or more and 8.0 mass % or less claim 1 , based on a total mass of the ink.5. The ink according to claim 1 , wherein an amount (mass %) of the surfactant is 0.5 mass % or more and 3.0 mass % or less claim 1 , based on a total mass of the ink.6. The ink according to claim 1 , further comprising polyethylene glycol and glycerol.7. The ink according to claim 1 , wherein the polyurethane resin particles are polyether-based polyurethane resin particles. Field of the InventionThe present invention relates to an ink, an ink cartridge including the ink, and an image recording method using the ink.Description of the Related ArtIn image recording methods, inks containing self-dispersing pigments as coloring materials have been conventionally used for the purpose of improving the optical density of images. In particular, self-dispersing pigments having a phosphonic acid group bonded directly or via another atomic group to the surfaces thereof (hereinafter also referred to simply as “phosphonic acid-type self-dispersing pigments”) are known to easily provide images having high color development.However, inks containing self-dispersing pigments disadvantageously provide images with low scratch resistance although such inks provide images with relatively high color development. Therefore, an attempt to improve the scratch resistance of ...

INK, INK CARTRIDGE, AND IMAGE RECORDING METHOD

An ink including a self-dispersible pigment, acrylic resin particles, a water-soluble organic solvent, and water. The self-dispersible pigment includes a phosphonic-acid-based self-dispersible pigment having a phosphonic acid group bonded directly or via another atomic group to a surface of particles of the pigment. The acrylic resin particles are formed of an acrylic resin containing a constituent unit derived from an ester-bond-containing monomer. The content of the constituent unit derived from the ester-bond-containing monomer in the acrylic resin is 60 mol % or more based on the total of the acrylic resin. 1. An ink comprising a self-dispersible pigment , acrylic resin particles , a water-soluble organic solvent , and water , wherein:the self-dispersible pigment comprises a phosphonic-acid-based self-dispersible pigment having a phosphonic acid group bonded directly or via another atomic group to a surface of particles of the pigment;the acrylic resin particles are formed of an acrylic resin containing a constituent unit derived from an ester-bond-containing monomer; anda content of the constituent unit derived from the ester-bond-containing monomer in the acrylic resin is 60 mol % or more based on a total of the acrylic resin.2. The ink according to claim 1 , wherein the acrylic resin particles have an average particle diameter of 10 nm or more to 200 nm or less.3. The ink according to claim 1 , wherein the ester-bond-containing monomer comprises at least one of an acrylic acid ester or a methacrylic acid ester.4. The ink according to claim 1 , wherein the phosphonic acid group comprises a bisphosphonic acid group.5. The ink according to claim 1 , further comprising a surfactant claim 1 , wherein a content (mass %) of the surfactant is 0.1 mass % or more to 3.0 mass % or less based on a total mass of the ink.7. The ink according to claim 6 , wherein in the general formula (1) claim 6 , x=y=2.8. The ink according to claim 1 , further comprising polyethylene ...

INK, INK CARTRIDGE, AND IMAGE RECORDING METHOD

An ink of this invention contains a self-dispersible pigment having a phosphonic acid group bonded directly or through another atomic group to the surface of the self-dispersible pigment, polyurethane resin particles, a monovalent inorganic salt, and water.

INK, INK CARTRIDGE, AND IMAGE RECORDING METHOD

Provided is an ink containing a pigment, a water-soluble organic solvent, and a surfactant., and having a viscosity at 25° C. of 5 mPa·s or more. The ink has a static surface tension of 30.5 mN/m or more to 35.0 mN/m or less, which is measured at 25° C. by a Wilhelmy method. The ink also has a dynamic surface tension at a bubble life time of 150 msec of 30.5 mN/m or more to 37.0 mN/m or less, which is measured at 25° C. by a maximum bubble pressure method. 1. An ink , comprising a pigment , a water-soluble organic solvent , and a surfactant ,wherein the ink has a viscosity of 5 mPa·s or more at 25° C.;a static surface tension of the ink as measured at 25° C. using a Wilhelmy method is from 30.5 mN/m to 35.0 mN/m; anda dynamic surface tension of the ink as measured at 25° C. using a maximum bubble pressure method is from 30.5 mN/m to 37.0 mN/m when a bubble life time is 150 msec.2. The ink according to claim 1 , wherein a content of the surfactant is 0.6 mass % or more based on a total mass of the ink.3. The ink according to claim 1 , further comprising at least one kind of resin particles selected from the group consisting of urethane-based resin particles claim 1 , acrylic resin particles claim 1 , styrene-acrylic resin particles claim 1 , fluorine-based resin particles claim 1 , and silicone-based resin particles.4. The ink according to claim 1 , wherein the pigment is a resin-dispersed pigment in which a mass ratio of the content of particles of the pigment to the content of a resin dispersant is from 1.0 to 10.0; or the pigment is a self-dispersible pigment in which a bisphosphonic acid group is bonded directly or via another atomic group to a surface of particles of the pigment.5. An ink cartridge claim 1 , comprising an ink and an ink storage portion storing the ink claim 1 ,{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'wherein the ink is the ink according to .'}6. An image recording method claim 1 , comprising an ink-applying step of applying an ink to a ...

Ink, ink cartridge, and image recording method

An ink including a self-dispersible pigment, acrylic resin particles, a water-soluble organic solvent, and water. The self-dispersible pigment includes a phosphonic-acid-based self-dispersible pigment having a phosphonic acid group bonded directly or via another atomic group to a surface of particles of the pigment. The acrylic resin particles are formed of an acrylic resin containing a constituent unit derived from an ester-bond-containing monomer. The content of the constituent unit derived from the ester-bond-containing monomer in the acrylic resin is 60 mol % or more based on the total of the acrylic resin.

Ink, ink cartridge, and image recording method

An ink includes a self-dispersing pigment, polyurethane resin particles, a surfactant, and water. The self-dispersing pigment is a pigment having a phosphonic acid group bonded directly or via another atomic group to a surface thereof. The surfactant is represented by general formula (1):

Ink, ink cartridge, and image recording method

An ink containing a self-dispersing pigment, polyurethane resin particles, a surfactant, and water, wherein the self-dispersing pigment is a pigment having a phosphonate group bonded directly or via another atomic group to the surface of the pigment, wherein the polyurethane resin particles have an anionic functional group content of 0.1 mmol/g or more and 0.4 mmol/g or less on the surfaces of the polyurethane resin particles and have a volume average particle size of 10.0 nm or more and 50.0 nm or less, and the surfactant includes a surfactant represented by a general formula (1), wherein the amount of the surfactant represented by the general formula (1) is 0.05 times or more and 1.00 times or less the amount of the polyurethane resin particles.

Image recording method, ink set, and method for preparing ink set

An image recording method includes a conveyance process for conveying a recording medium and an ink-applying process for applying a first ink and a second ink to the recording medium, wherein the first ink and the second ink contain a surfactant represented by Formula (1), the amount of the surfactant represented by Formula (1) in the first ink is greater than the amount of the surfactant represented by Formula (1) in the second ink, and a liquid X prepared by removing the surfactant represented by Formula (1) from the first ink and a liquid Y prepared by removing the surfactant represented by Formula (1) from the second ink satisfy a particular condition.

INK, INK CARTRIDGE, AND IMAGE RECORDING METHOD

An ink containing a self-dispersing pigment, polyurethane resin particles, a surfactant, and water, wherein the self-dispersing pigment is a pigment having a phosphonate group bonded directly or via another atomic group to the surface of the pigment, wherein the polyurethane resin particles have an anionic functional group content of 0.1 mmol/g or more and 0.4 mmol/g or less on the surfaces of the polyurethane resin particles and have a volume average particle size of 10.0 nm or more and 50.0 nm or less, and the surfactant includes a surfactant represented by a general formula (1), wherein the amount of the surfactant represented by the general formula (1) is 0.05 times or more and 1.00 times or less the amount of the polyurethane resin particles. 2. The ink according to claim 1 , wherein an amount (mass %) of the self-dispersing pigment is 0.1 mass % or more and 8.0 mass % or less claim 1 , based on a total mass of the ink.3. The ink according to claim 1 , wherein the anionic functional group of the polyurethane resin particles is —COOM where M is a hydrogen atom claim 1 , an alkali metal claim 1 , ammonium claim 1 , or an organic ammonium.4. The ink according to claim 1 , wherein an amount (mass %) of the polyurethane resin particles is 3.0 mass % or more and 15.0 mass % or less claim 1 , based on a total mass of the ink.5. The ink according to claim 1 , wherein the polyurethane resin particles are polyether-based polyurethane resin particles.6. The ink according to claim 1 , wherein an amount (mass %) of the surfactant represented by the general formula (1) is 0.5 mass % or more and 3.0 mass % or less claim 1 , based on a total mass of the ink.7. The ink according to claim 1 , further comprising polyethylene glycol and glycerol.8. The ink according to claim 7 , wherein a mass ratio of an amount of the polyethylene glycol to an amount of the glycerol in the ink is 0.15 or more and 0.40 or less.9. The ink according to claim 1 , having a pH of 7.0 or more and 8.7 or ...

INK, INK CARTRIDGE, AND IMAGE RECORDING METHOD

Provided is Ink including a pigment, a resin, a water-soluble organic solvent, and water, wherein a solid content of first liquid as prepared by diluting the ink 500-fold with water and by adding CaClat a concentration of 1.5 mM has a rate of aggregation of 1.5 nm/second or less; and a solid content of second liquid as prepared, after the ink has been stored at 60° C. for 2 weeks, by diluting the ink 500-fold with water and by adding CaClat a concentration of 5 mM has a rate of aggregation of 2.0 nm/second or more. 1. Ink comprising a pigment , a resin , a water-soluble organic solvent , and water ,{'sub': '2', 'wherein a solid content of first liquid as prepared by diluting the ink 500-fold with water and by adding CaClat a concentration of 1.5 mM has a rate of aggregation of 1.5 nm/second or less; and'}{'sub': '2', 'a solid content of second liquid as prepared, after the ink has been stored at 60° C. for 2 weeks, by diluting the ink 500-fold with water and by adding CaClat a concentration of 5 mM has a rate of aggregation of 2.0 nm/second or more.'}2. The ink according to claim 1 , wherein the pigment comprises a phosphonic acid-based self-dispersion pigment having a phosphonic acid group bonded directly or via another atomic group to a surface of each of particles of the pigment.3. The ink according to claim 2 , wherein the phosphonic acid group comprises a bisphosphonic acid group.4. The ink according to claim 1 , wherein the resin comprises a constituent unit derived from an ester bond-containing monomer.5. The ink according to claim 1 , wherein the water-soluble organic solvent comprises at least one kind selected from the group consisting of glycerin claim 1 , ethylene glycol claim 1 , diethylene glycol claim 1 , triethylene glycol claim 1 , a polyethylene glycol having a weight-average molecular weight of 10 claim 1 ,000 or less claim 1 , 1 claim 1 ,3-propanediol claim 1 , 1 claim 1 ,4-butanediol claim 1 , diglycerol claim 1 , triethylene glycol claim 1 , ...

Ink jet image recording method, ink set, and ink set preparation method

An ink jet image recording method includes applying a first ink and a second ink onto a recording medium. The first ink contains a surfactant expressed by general formula (1) with a content of V 1 percent by mass relative to the total mass of the first ink and a liquid X being the portion other than the surfactant, and the second ink contains the surfactant with a content of V 2 percent by mass lower than V 1 relative to the total mass of the second ink and a liquid Y being the portion other than the surfactant. The liquids X and Y satisfy the specific requirement, and when liquids X′ and Y′ are prepared by adding the surfactant to the liquid X and Y, respectively, to a content of V 2 percent by mass relative to the total mass of the respective liquids, the liquids X′ and Y′ satisfy a specific requirement.

Ink, ink cartridge, and image recording method

An ink of this invention contains a self-dispersible pigment having a phosphonic acid group bonded directly or through another atomic group to the surface of the self-dispersible pigment, polyurethane resin particles, a monovalent inorganic salt, and water.

INK, INK CARTRIDGE, AND IMAGE RECORDING METHOD

There is provided an ink including a pigment, resin particles, a surfactant, water-soluble organic compound, and water, in which: the content of the water-soluble organic compounds is 35 mass % or less based on a total mass of the ink; the water-soluble organic compound contains a first water-soluble organic compound being liquid at 25° C. and having a surface tension at 25° C. of 40 mN/m or less, and the content of the first water-soluble organic compound is 5 mass % or less based on a total mass of the ink; and the surfactant is a surfactant represented by the following formula (1):

Ink, ink cartridge, and image-recording method

Provided is an ink containing a self-dispersible pigment, an acrylic resin particle, a surfactant, a water-soluble organic solvent, and water. The surfactant includes a fluorinated surfactant represented by Formula (1) and having an HLB value determined by a Griffin method of 11 or less. The water-soluble organic solvent includes at least one water-soluble organic solvent selected from a specific group, and the total content of the water-soluble organic solvents of the specific group is 4 times or more the total content of the water-soluble organic solvents other than the solvents of the specific group. The total content of the self-dispersible pigment and the acrylic resin particle is 10% by mass or less based on the total mass of the ink.

INK, INK CARTRIDGE, AND IMAGE RECORDING METHOD

Provided is an ink containing a pigment, a water-soluble organic solvent, and a surfactant represented by the following general formula (1), and having a viscosity at 25° C. of 5 mPa·s or more. The ink has a static surface tension of 27.1 mN/m or more and 35.0 mN/m or less, which is measured at 25° C. by a Wilhelmy method. The ink also has a dynamic surface tension at a bubble life time of 150 msec of 30.5 mN/m or more and 37.0 mN/m or less, which is measured at 25° C. by a maximum bubble pressure method.

INKJET PRINTING APPARATUS AND INKJET PRINTING METHOD

A clear ink layer is formed by a first application of the clear ink. After a film of the clear ink is formed, a second application of the clear ink is performed onto the layer thereof. Thereby, a permeation speed of the clear ink which is applied at the second time after the clear ink is applied once becomes low, and becomes a substantially uniform one in the printed matter. That is, when the clear ink is applied at the second time onto the surface of the clear ink which is once formed into the film, the clear ink permeates therein at a substantially uniform permeation speed and is fixed thereto. As a result, the clear ink which is applied at the second time does not generate unevenness since the permeation speed thereof has no difference thereon, and can form a smooth printed matter surface. 1. An ink jet printing apparatus that uses a printing head for ejecting pigment ink containing a pigment as a coloring agent and clear ink containing no coloring agent and having film-forming property on a print medium and ejects ink from the printing head to the print medium for performing printing , said apparatus comprising:a printing unit configured to cause the printing head to eject a plurality of pigment inks, which contain different coloring agents from each other, from the printing head to the print medium for printing an image;a first applying unit configured to apply the clear ink to at least a part of a region of the image on the print medium, the region being printed by that said printing unit ejects the plurality of pigment inks that contain different coloring agents from each other, by causing the printing head to eject the clear ink to at least the part of the region; anda second applying unit configured to apply the clear ink to a region, to which the clear ink is applied by said first applying unit, by causing the printing head to eject the clear ink to the region, after said first applying unit applies the clear ink,wherein at least one time of application of ...

Image recording method

An image recording method has a feature such that a first ink, a second ink, and a third ink satisfy both the following relationships (1) and (2): (1) the film thickness of dots of the inks formed when one drop of each ink is applied to the recording medium is as follows: First ink>Second ink>Third ink; and (2) the penetration time of the clear ink when applying the inks to the recording medium, and then further applying one drop of the clear ink to the region to which each ink is applied is as follows: First ink≧Second ink≧Third ink.

Ink jet printing apparatus

An ink jet printing apparatus has a conveying unit which conveys a sheet in a certain direction, a printing unit which performs printing with an ink on a conveyed sheet, and a blower unit which sends wind to an area in which printing is carried out by the printing head unit. The blower unit has a fan duct for sending the wind along the direction toward the area from diagonally above on an upstream side of the area.

Image recording method, ink set, and method for preparing ink set

An image recording method includes a conveyance process for conveying a recording medium and an ink-applying process for applying a first ink and a second ink to the recording medium, wherein the first ink and the second ink contain a surfactant represented by Formula (1), the amount of the surfactant represented by Formula (1) in the first ink is greater than the amount of the surfactant represented by Formula (1) in the second ink, and a liquid X prepared by removing the surfactant represented by Formula (1) from the first ink and a liquid Y prepared by removing the surfactant represented by Formula (1) from the second ink satisfy a particular condition.

Image recording method and image recording apparatus

There is provided an image recording method including a conveying process for conveying a recording medium, an ink-applying process for applying an ink to the recording medium, and a heating process for heating the ink-applied recording medium after the ink-applying process so that the surface temperature of the ink-applied recording medium is not less than 70° C., wherein the ink contains a surfactant represented by Formula (1), a water-soluble organic solvent, and water, and wherein the water-soluble organic solvent content is not less than 30 mass % relative to the total mass of the ink.

Aqueous ink, ink cartridge and image recording method

An aqueous ink according to the present invention is an aqueous ink for ink jet, containing a solvent A and a resin particle. The solvent A is alcohol of which aqueous solubility at 20° C. is 5% by mass or less, a vapor pressure at 20° C. is 0.5 mmHg or less and a surface tension at 20° C. is 30 mN/m or more. A content (% by mass) of the solvent A is 0.7 times or more to 7.0 times or less in terms of a ratio based on aqueous solubility (% by mass) of the solvent A at 20° C. The amount of a surface anionic functional group of the resin particle is 0.55 mmol/g or more to 2.00 mmol/g or less.

Image recording method, ink set, and method of preparing ink set

There is provided an image recording method including applying a first ink and a second ink, each of which contains a surfactant and the like, to a recording medium. Critical micelle concentration c1 (mass %) of the surfactant and concentration c2 (mass %) of the surfactant in each ink satisfy a relationship of “c1×2≦c2”; an HLB value of the surfactant is smaller than 13; content V 1 (mass %) of the surfactant in the first ink is larger than content V 2 (mass %) of the surfactant in the second ink.

INK, INK CARTRIDGE, AND IMAGE-RECORDING METHOD

Provided is an ink containing a self-dispersible pigment, an acrylic resin particle, a surfactant, a water-soluble organic solvent, and water. The surfactant includes a fluorinated surfactant represented by Formula (1) and having an HLB value determined by a Griffin method of 11 or less. The water-soluble organic solvent includes at least one water-soluble organic solvent selected from a specific group, and the total content of the water-soluble organic solvents of the specific group is 4 times or more the total content of the water-soluble organic solvents other than the solvents of the specific group. The total content of the self-dispersible pigment and the acrylic resin particle is 10% by mass or less based on the total mass of the ink. 2. The ink according to further comprising at least one additive selected from Group B consisting of tetritol claim 1 , pentitol claim 1 , hexitol claim 1 , heptitol claim 1 , octitol claim 1 , and polyethylene glycol with a weight-average molecular weight of more than 10 claim 1 ,000 and 100 claim 1 ,000 or less.3. The ink according to claim 1 , wherein the mass ratio of the content of the self-dispersible pigment to the content of the acrylic resin particle claim 1 , based on the total mass of the ink claim 1 , is 0.5 or more and 4.0 or less.4. The ink according to claim 1 , wherein the content of a surfactant other than the fluorinated surfactant is 0.1% by mass or less based on the total mass of the ink.5. The ink according to claim 1 , wherein the acrylic resin particle has a glass transition temperature of 25° C. or more.6. An ink cartridge comprising an ink storage portion for storing ink claim 1 , wherein the ink stored in the ink storage portion is the ink according to .7. An image-recording method comprising:a conveying step of conveying a recording medium; andan ink-applying step of applying an ink to the recording medium,{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'wherein the ink is the ink according to .'}8. ...

Ink, ink cartridge, and image-recording method

Provided is an ink containing a self-dispersible pigment, a polyurethane polymer particle, a surfactant, a water-soluble organic solvent, and water. The surfactant includes a fluorinated surfactant represented by Formula (1) and having an HLB value determined by a Griffin method of 11 or less. The water-soluble organic solvent includes at least one water-soluble organic solvent selected from a specific group, and the total content of the water-soluble organic solvents of the specific group is higher than the total content of the water-soluble organic solvents other than the solvents of the specific group.

Ink, ink cartridge, and image recording method

An ink including a first pigment, a second pigment, and water. The first pigment satisfies condition 1, the second pigment satisfies condition 2, and the content (% by mass) of the first pigment relative to the content (% by mass) of the second pigment based on a total mass of the ink is 1.7 times or more to 8.0 times or less in terms of mass ratio. Condition 1: When, to a pigment dispersion liquid containing the first pigment, calcium chloride is added so as to give a predetermined concentration, the particle diameter increase rate of the solid content is 2.0 nm/second or more. Condition 2: When, to a pigment dispersion liquid containing the second pigment, hydrochloric acid is added so as to give a predetermined concentration, the particle diameter increase rate of the solid content is 0.5 nm/second or less.

Ink jet image recording method, ink set, and ink set preparation method

An ink jet image recording method includes applying a first ink and a second ink onto a recording medium. The first ink contains a surfactant expressed by general formula (1) with a content of V 1 percent by mass relative to the total mass of the first ink and a liquid X being the portion other than the surfactant, and the second ink contains the surfactant with a content of V 2 percent by mass lower than V 1 relative to the total mass of the second ink and a liquid Y being the portion other than the surfactant. The liquids X and Y satisfy the specific requirement, and when liquids X′ and Y′ are prepared by adding the surfactant to the liquid X and Y, respectively, to a content of V 2 percent by mass relative to the total mass of the respective liquids, the liquids X′ and Y′ satisfy a specific requirement.

Ink, ink cartridge, and image-recording method

An ink contains a pigment dispersed with polymer, a surfactant, a water-soluble organic solvent, and water. The mass ratio of a content of the pigment to a content of the polymer in the ink is more than 3. The surfactant includes a fluorinated surfactant which is represented by Formula (1) and which has an HLB of 11 or less as determined by a Griffin method. The water-soluble organic solvent includes at least one selected from specific Group A. The total content of the water-soluble organic solvents of the Group-A in the ink is larger than the total content of water-soluble organic solvents other than the water-soluble organic solvents of Group A in the ink.

INK, INK CARTRIDGE, AND INK JET RECORDING METHOD

An aqueous ink for ink jet includes a coloring material, a solvent, and a surfactant having an HLB value of 9.0 or less. The solvent includes a solvent A having a solubility in water at 20° C. of 5.00 g/100 g-HO or less and a solvent B other than the solvent A. The solvent A includes an alcohol having a vapor pressure at 20° C. of 0.5 mmHg or less and a surface tension of 30.0 mN/m or more. The content of the alcohol in the aqueous ink is 0.7 or more times the solubility in water at 20° C. in an equal amount to the aqueous ink. The solvent B has a partition coefficient (P) satisfying the following equation (1). 1. An aqueous ink for ink jet , comprising:a coloring material;a solvent; anda surfactant having an HLB value of 9.0 or less,{'sub': '2', 'wherein the solvent includes a solvent A having a solubility in water at 20° C. of 5.00 g/100 g-HO or less and a solvent B other than the solvent A,'}the solvent A includes an alcohol having a vapor pressure at 20° C. of 0.5 mmHg or less and a surface tension of 30.0 mN/m or more,a content of the alcohol in the aqueous ink is 0.7 or more times a solubility in water at 20° C. in an equal amount to the aqueous ink, and{'sub': 'B', 'claim-text': {'br': None, 'i': P', 'x−', 'P, 'sub': A', 'B, '1.44 Log −0.13.4≤Log ≤−0.6\u2003\u2003(1)'}, 'the solvent B has a partition coefficient (P) satisfying the relationship of the following the equation (1){'sub': 'A', '(in the equation (1), Prepresents a partition coefficient of the solvent A; and x represents a content (% by mass) of the solvent B based on a total mass of the aqueous ink).'}2. The aqueous ink according to claim 1 , wherein the alcohol is a monovalent alcohol having a benzene ring.3. The aqueous ink according to claim 1 , wherein the solubility of the alcohol is 3.00 g/100 g-HO or less.4. The aqueous ink according to claim 1 , wherein the solvent A includes claim 1 , as the alcohol claim 1 , at least one selected from the group consisting of benzyl alcohol claim 1 , 2- ...

INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING DEVICE CONTROL METHOD, PROGRAM, CALCULATION DEVICE, AND CALCULATION METHOD

Hitherto, preprocessing for separating impurities and calculation processing, for example, a peak splitting method, are required in order to acquire information on test substances from spectral information. An information processing apparatus according to the present invention includes information acquisition means for acquiring quantitative information on a test substance estimated by inputting spectral information on a sample containing the test substance and impurities into a learning model. 1. An information processing apparatus comprising information acquisition means for acquiring quantitative information on a test substance estimated by inputting spectral information on a sample containing the test substance and impurities into a learning model ,wherein the learning model is generated based on spectral information for learning generated based on information containing spectral information on only the test substance.2. The information processing apparatus according to claim 1 , wherein the sample contains a plurality of types of test substances.3. The information processing apparatus according to claim 2 , wherein the information acquisition means further includes a splitting unit configured to split the spectral information on the sample into spectral information on each test substance.4. The information processing apparatus according to claim 2 , wherein the splitting unit is configured to split the spectral information at a splitting location of the spectral information claim 2 , the splitting location being specified by a user.5. The information processing apparatus according to claim 3 , wherein the splitting unit is configured to split the spectral information by extracting a position of the spectral information and a certain range containing the position claim 3 , the position being specified by a user.6. The information processing apparatus according to claim 3 , wherein the splitting unit is configured to split the spectral information by extracting a ...

INFORMATION PROCESSING APPARATUS, CONTROL METHOD OF INFORMATION PROCESSING APPARATUS, AND COMPUTER-READABLE STORAGE MEDIUM THEREFOR

An information processing apparatus assists a user in determining quantitative information of a test substance estimated by using a learning model. The information processing apparatus has an information acquisition means and a reliability acquisition means. The information acquisition means acquires the quantitative information of the test substance estimated by inputting spectral information of a sample including the test substance and impurities into the learning model. The reliability acquisition means acquires reliability of the acquired quantitative information of the test substance. 1. An information processing apparatus comprising:an information acquisition means for acquiring quantitative information of a test substance that is estimated by inputting spectral information of a sample containing the test substance and impurities into a learning model; anda reliability acquisition means for acquiring reliability of the acquired quantitative information on the test substance.2. The information processing apparatus according to claim 1 , wherein the reliability acquisition means acquires the reliability by using the spectral information of the sample and the spectral information of the test substance.3. The information processing apparatus according to claim 1 , wherein:the spectral information is a chromatogram; andthe reliability acquisition means acquires the reliability by using retention time identified on the basis of the spectral information of the sample and retention time identified on the basis of the spectral information of the test substance.4. The information processing apparatus according to claim 1 , wherein the reliability is a correlation coefficient between quantitative information of the test substance that is identified on the basis of the spectral information of the test substance and quantitative information of the test substance that is estimated by the learning model.5. The information processing apparatus according to claim 1 , wherein ...

INK, INK CARTRIDGE, AND IMAGE-RECORDING METHOD

An ink including: a pigment dispersed with a polymer dispersant; polymer particles; a surfactant; a water-soluble organic solvent; and water, wherein the amount of anionic functional group on the surface of the polymer particles is 0.2 mmol/g or less, the surfactant is represented by the general formula (1) and contains a fluorinated surfactant having a hydrophile-lipophile balance (HLB) of 11 or less as determined by a Griffin method, and the water-soluble organic solvent contains at least one water-soluble organic solvent selected from glycerin, ethylene glycol, diethylene glycol, poly(ethylene glycol) having a weight-average molecular weight of 10,000 or less, 1,3-propanediol, 1,4-butanediol, and diglycerol. 2. The ink according to claim 1 , wherein the ink contains at least one additive agent selected from the following group B:tetritol, pentitol, hexitol, heptitol, octitol, and poly(ethylene glycol) having a weight-average molecular weight of more than 10,000 and 100,000 or less.3. The ink according to claim 1 , wherein the ratio of the pigment content to the polymer dispersant content of the ink is 3.3 or more on a mass basis.4. The ink according to claim 1 , wherein the ratio of a total amount of water-soluble organic solvent(s) selected from the group A to a total amount of water-soluble organic solvent(s) not belonging to the group A in the ink is more than 4 on a mass basis.5. The ink according to claim 1 , wherein the amount of surfactant(s) other than the fluorinated surfactant is 0.1% by mass or less of the ink.6. The ink according to claim 1 , wherein the ratio of the polymer particle content to the polymer dispersant content of the ink is 0.2 or more and 14.0 or less on a mass basis.7. The ink according to claim 1 , wherein the ratio of the pigment content to the polymer dispersant and polymer particle content of the ink is 0.30 or more and 4.50 or less on a mass basis.8. The ink according to claim 1 , wherein the ratio of the pigment and polymer ...

INK, INK CARTRIDGE, AND IMAGE-RECORDING METHOD

An ink including: a self-dispersing pigment; polymer particles; a surfactant; a water-soluble organic solvent; and water, wherein the amount of anionic functional group on the surface of the polymer particles is 0.2 mmol/g or less, the surfactant is represented by the general formula (1) and contains a fluorinated surfactant having a hydrophile-lipophile balance (HLB) of 11 or less as determined by a Griffin method, and the water-soluble organic solvent contains at least one water-soluble organic solvent selected from glycerin, ethylene glycol, diethylene glycol, poly(ethylene glycol) having a weight-average molecular weight of 10,000 or less, 1,3-propanediol, 1,4-butanediol, and diglycerol. 1. An ink comprising: a self-dispersing pigment; polymer particles; a surfactant; a water-soluble organic solvent; and water ,wherein an amount of anionic functional group on the surface of the polymer particles is 0.2 mmol/g or less, {'br': None, 'sup': 1', '2', '3, 'sub': n', '2', '2', '2', '2', 'm, 'R(CRR)CHCH(OCHCH)OH\u2003\u2003(1)'}, 'the surfactant is represented by the following general formula (1) and contains a fluorinated surfactant having a hydrophile-lipophile balance (HLB) of 11 or less as determined by a Griffin method,'}{'sup': 1', '2', '3', '2', '3, 'wherein Rdenotes a fluorine atom or a hydrogen atom, Rand Rindependently denote a fluorine atom or a hydrogen atom, and at least one of Rand Rdenotes a fluorine atom, n is 1 or more and 30 or less, and m is 1 or more and 60 or less, and'}the water-soluble organic solvent contains at least one water-soluble organic solvent selected from the following group A:glycerin, ethylene glycol, diethylene glycol, poly(ethylene glycol) having a weight-average molecular weight of 10,000 or less, 1,3-propanediol, 1,4-butanediol, and diglycerol.2. The ink according to claim 1 , wherein the ink contains at least one additive agent selected from the following group B:tetritol, pentitol, hexitol, heptitol, octitol, and poly(ethylene ...

Image printing method

An image printing method includes the step of applying at least two inks that contain a color pigment, resin particles, and water onto a printing medium by ejecting the inks using an inkjet printing apparatus. The inkjet printing apparatus includes at least two printing heads sequentially arranged in a printing medium conveying direction, the printing medium is normal paper or a high-absorbency printing medium, a rub fastness additive is contained in a first ink ejected from at least a first printing head that is located at an uppermost-stream position in the printing medium conveying direction of the at least two printing heads, and the content of the rub fastness additive in an ink ejected from a printing head that is located at a position downstream of the first printing head in the printing medium conveying direction is less than the content of the rub fastness additive in the first ink.

AQUEOUS INK, INK CARTRIDGE AND IMAGE RECORDING METHOD

An aqueous inkjet ink of the present invention contains: a solvent A; a resin particle; and a color material, wherein the solvent A is an alcohol having a water solubility at 20° C. of 5% by mass or less, the vapor pressure at 20° C. of 0.5 mmHg or less, and the surface tension at 20° C. of 30 mN/m or more; the ratio of the content (% by mass) of the solvent A to the water solubility (% by mass) of the solvent A at 20° C. is 0.7 or more and 7.0 or less; and the SP value of the resin particle is 8.1 (cal/cm)or more and 9.7 (cal/cm)or less. 1. An aqueous inkjet ink comprising: a solvent A; a resin particle; and a color material ,wherein the solvent A is an alcohol having a water solubility at 20° C. of 5% by mass or less, a vapor pressure at 20° C. of 0.5 mmHg or less, and surface tension at 20° C. of 30 mN/m or more;a ratio of a content (% by mass) of the solvent A to the water solubility (% by mass) of the solvent A at 20° C. is 0.7 or more and 7.0 or less; and{'sup': 3', '0.5', '3', '0.5, 'an SP value of the resin particle is 8.1 (cal/cm)or more and 9.7 (cal/cm)or less.'}2. The aqueous ink according to claim 1 , wherein the solvent A is a monohydric alcohol having a benzene ring.3. The aqueous ink according to claim 1 , wherein the water solubility of the solvent A at 20° C. is 3% by mass or less.4. The aqueous ink according to claim 1 , wherein the solvent A is at least one selected from the group consisting of benzyl alcohol claim 1 , 2-phenoxyethanol claim 1 , phenethyl alcohol claim 1 , 1-phenoxy-2-propanol and 1-phenyl-2-propanol.5. The aqueous ink according to claim 1 , further comprising: a solvent B claim 1 , wherein the solvent B is at least one selected from the group consisting of glycerin claim 1 , triethylene glycol claim 1 , ethylene glycol claim 1 , diethylene glycol claim 1 , propylene glycol claim 1 , methyl Carbitol claim 1 , 2-pyrrolidone and Carbitol.6. The aqueous ink according to claim 1 , wherein a content (% by mass) of the resin particle is ...

Information processing apparatus, method for controlling information processing apparatus, and program

An apparatus includes an acquisition unit configured to acquire quantitative information on a test substance, the quantitative information being estimated by inputting, to a learning model, two or more pieces of spectral information selected from a plurality of pieces of spectral information on a sample containing the test substance and a foreign substance.

Electrophotographic belt, electrophotographic image forming apparatus, fixing device, and varnish

Provided is an electrophotographic belt of an endless shape including a substrate, wherein the substrate contains a polyimide resin and carbon nanotubes, wherein a content of the carbon nanotubes in the substrate is 15 vol % or less with respect to a total volume of the polyimide resin, wherein the substrate has a tensile strength of 200 MPa or more in each of a peripheral direction thereof and a direction perpendicular to the peripheral direction, and wherein the substrate has a thermal conductivity of 0.9 W/(m·K) or more in a thickness direction thereof.

Ink, ink cartridge, and image recording method

Provided is Ink including a pigment, a resin, a water-soluble organic solvent, and water, wherein a solid content of first liquid as prepared by diluting the ink 500-fold with water and by adding CaCl2 at a concentration of 1.5 mM has a rate of aggregation of 1.5 nm/second or less; and a solid content of second liquid as prepared, after the ink has been stored at 60° C. for 2 weeks, by diluting the ink 500-fold with water and by adding CaCl2 at a concentration of 5 mM has a rate of aggregation of 2.0 nm/second or more.

Information processor and control method thereof, and program

【課題】 学習モデルを用いて推定された、被検物質の定量的な情報に対するユーザの判断を補助すること。【解決手段】 情報処理装置は、情報取得手段と、信頼度取得手段とを有する。情報取得手段は、被検物質と夾雑物とを含む試料のスペクトル情報を学習モデルに入力することにより推定された、前記被検物質の定量的な情報を取得する。信頼度取得手段は、前記取得された、前記被検物質の定量的な情報に関する信頼度を取得する。【選択図】 図１

Ink, ink cartridge, and image recording method

Provided is an ink containing a pigment, a water-soluble organic solvent, and a surfactant represented by the following general formula (1), and having a viscosity at 25° C. of 5 mPa·s or more. The ink has a static surface tension of 27.1 mN/m or more and 35.0 mN/m or less, which is measured at 25° C. by a Wilhelmy method. The ink also has a dynamic surface tension at a bubble life time of 150 msec of 30.5 mN/m or more and 37.0 mN/m or less, which is measured at 25° C. by a maximum bubble pressure method.

Ink, ink cartridge, and image recording method

Provided is an ink containing a pigment, a water-soluble organic solvent, and a surfactant, and having a viscosity at 25°C of 5 mPa·s or more. The ink has a static surface tension of 30.5 mN/m or more to 35.0 mN/m or less, which is measured at 25°C by a Wilhelmy method. The ink also has a dynamic surface tension at a bubble life time of 150 msec of 30.5 mN/m or more to 37.0 mN/m or less, which is measured at 25°C by a maximum bubble pressure method.

Ink, ink cartridge, and image recording method

An ink of this invention contains a self-dispersible pigment having a phosphonic acid group bonded directly or through another atomic group to the surface of the self-dispersible pigment, polyurethane resin particles, a monovalent inorganic salt, and water.

Ink, ink cartridge, and ink jet recording method

Ink, ink cartridge, and image-recording method

Information processing apparatus, method for controlling information processing apparatus, and program

An apparatus includes an acquisition unit configured to acquire quantitative information on a test substance, the quantitative information being estimated by inputting, to a learning model, two or more pieces of spectral information selected from a plurality of pieces of spectral information on a sample containing the test substance and a foreign substance.

インクジェット画像記録方法、インクセット、及びインクセットの調製方法

【課題】 ブリード現象が抑制されたインクジェット画像記録方法、インクセット、及びインクセットの調製方法を提供する。【解決手段】 記録媒体に第１のインク及び第２のインクを付与するインク付与工程を有する画像記録方法であって、第１のインクから一般式（１）で表される界面活性剤を除いた液体Ｘと、第２のインクから一般式（１）で表される界面活性剤を除いた液体Ｙが、条件１を満たし、かつ、液体Ｘ及びＹにそれぞれ、一般式（１）で表される界面活性剤を、添加後の液体全質量に対する含有量がＶ２（質量％）となるように添加した液体Ｘ’及び液体Ｙ’とが、条件２を満足することを特徴とするインクジェット画像記録方法。【選択図】 なし

画像記録方法、インクセット、及びインクセットの調製方法

【課題】高速印刷した場合であっても吐出不良が生じにくく、ブリード現象が抑制された画像を記録することが可能な画像記録方法を提供する。 【解決手段】界面活性剤等をそれぞれ含有する第１のインク及び第２のインクを記録媒体に付与する工程を有する画像記録方法である。界面活性剤の臨界ミセル濃度ｃ１（質量％）と、各インク中の界面活性剤の濃度ｃ２（質量％）とが、ｃ１×２≦ｃ２の関係を満たし、界面活性剤のＨＬＢ値が１３未満であり、第１のインク中の界面活性剤の含有量Ｖ 1 （質量％）が、第２のインク中の界面活性剤の含有量Ｖ 2 （質量％）よりも多く、第１のインクから界面活性剤を除いた液体組成物Ｘに含有量Ｖ 2 （質量％）となるように界面活性剤を添加した液体組成物Ｘ’と、第２のインクから界面活性剤を除いた液体組成物Ｙに含有量Ｖ 2 （質量％）となるように界面活性剤を添加した液体組成物Ｙ’とが、所定の条件を満たす。 【選択図】なし

クロマトグラフィー用のキット

【課題】 クロマトグラフィーを行う際に、分離能を向上することを課題とする。さらには、試料の濃縮により感度を向上することも課題とする。【解決手段】 検出対象物を含む試料から、前記検出対象物を分離するクロマトグラフィー用のキットであって、担体を含むプレートと、前記担体に設けられた塩とを有し、前記担体は、第一の領域と、前記第一の領域とは異なり、かつ前記第一の領域と接する第二の領域とを含み、前記第一の領域には第一の塩が設けられ、前記検出対象物は、前記第一の領域又は前記第二の領域において分離されることを特徴とする。【選択図】 図１

インクジェット記録ヘッド

【課題】インクの粘度がノズル側で高く共通液室側で低いような分布がある場合、発泡した泡は流路抵抗の高い方向、即ち粘度の高いノズル側へは小さく成長しインク吐出速度が低下する。このようなインクの粘度分布によるインク吐出速度の低下あるいは不吐出を解決するインクジェット記録ヘッドの提供。 【解決手段】熱エネルギーによる気泡の発生を吐出手段とするインクジェット記録ヘッドにおいて、インク吐出ノズル５とインク供給孔４と、インク吐出ノズルとインク供給孔を繋ぐインク流路２に、大気と連通しインクを蒸発させる蒸発手段６を配置する。 【選択図】 図１

Electrophotographic belt having a substrate containing a polyimide resin and carbon nanotubes, electrophotographic image forming apparatus, fixing device, and varnish

Provided is an electrophotographic belt of an endless shape including a substrate, wherein the substrate contains a polyimide resin and carbon nanotubes, wherein a content of the carbon nanotubes in the substrate is 15 vol % or less with respect to a total volume of the polyimide resin, wherein the substrate has a tensile strength of 200 MPa or more in each of a peripheral direction thereof and a direction perpendicular to the peripheral direction, and wherein the substrate has a thermal conductivity of 0.9 W/(m·K) or more in a thickness direction thereof.

Thermosensitive recording medium and image forming method

A thermosensitive recording medium 100 includes a support 50, and a first thermosensitive coloring layer 10, a first intermediate layer 15, and a second thermosensitive coloring layer 20 disposed on the support 50 in descending order of distance from the support 50. The first thermosensitive coloring layer 10 and the second thermosensitive coloring layer 20 each contain an electron-donating dye precursor, an electron-accepting compound, a radical-polymerizable compound, and a photoradical polymerization initiator, and the first intermediate layer 15 contains a UV absorber.

感熱記録体及び画像形成方法

【課題】地肌カブリなどの画像形成前の保存中に生ずる不具合の発生が抑制され、発色性に優れた画像を形成することが可能な感熱記録体を提供する。【解決手段】電子供与性染料前駆体、電子受容性化合物、ラジカル重合性化合物、及び光ラジカル重合開始剤を含有する感熱発色層２０２を備えた感熱記録体２００である。ラジカル重合性化合物が、２５℃で固体の化合物であり、ラジカル重合性化合物が、電子供与性染料前駆体及び電子受容性化合物の少なくとも一方を内包した状態で感熱発色層２０２に含有されている。【選択図】図２

Thermosensitive recording medium and image forming method

Provided is a thermosensitive recording medium including a thermosensitive coloring layer containing an electron-donating dye precursor, an electron-accepting compound, a radical polymerizable compound and a photoradical polymerization initiator, in which the radical polymerizable compound is a compound that is solid at 25° C., and the radical polymerizable compound is contained in the thermosensitive coloring layer in a state of encapsulating at least one of the electron-donating dye precursor and the electron-accepting compound.

Heat-sensitive recording body and image formation method

情報処理装置、情報処理装置の制御方法、及びプログラム

【課題】 固体試料と測定対象物質とを含むサンプルのスペクトル情報から測定対象物質の種類を簡便、迅速、かつ、高精度に解析できる情報処理装置を提供する。【解決手段】 固体試料のスペクトル情報、及び前記固体試料と測定対象物質とを含むサンプルのスペクトル情報を学習モデルに入力することにより推定された、サンプル中の前記測定対象物質の種類に関する情報を取得する情報取得手段を有する情報処理装置であって、前記スペクトル情報が、二次イオン質量分析法により取得されることを特徴とする情報処理装置。【選択図】 図１

Intermediate transfer member, image forming apparatus, and production device and production method for polymer mixture

An intermediate transfer member including a base layer, wherein the base layer contains a thermoplastic resin and an electroconductive filler dispersed in the thermoplastic resin, and wherein the base layer has a volume resistivity of 1×10⁶ to 1×10¹³ Ω·cm, and the base layer has an electroconductive path index of 0.20 or less.

インクジェット記録方法

【課題】 光沢性に優れた記録物の提供 【解決手段】 本発明は、記録媒体に顔料インクを付与する顔料インク付与工程と、第一のクリアインクを付与する第一のクリアインク付与工程と、前記記録媒体上の領域のうち、少なくとも前記第一のクリアインクを付与した領域に第二のクリアインクを付与する第二のクリアインク付与工程と、をこの順に有し、前記第一のクリアインクは水性媒体及び酸価Ａを有する樹脂を含み、前記第二のクリアインクは水性媒体及び酸価Ｂを有する樹脂を含み、前記酸価Ａは１０ｍｇＫＯＨ／ｇ以上１２０ｍｇＫＯＨ／ｇ以下であり、前記酸価Ｂは１１０ｍｇＫＯＨ／ｇ以上２５０ｍｇＫＯＨ／ｇ以下であることを特徴とするインクジェット記録方法である。 【選択図】 なし

インク、インクカートリッジ及び画像記録方法

【課題】 吐出安定性が良好であり、かつ、画像の光学濃度及び耐擦過性を高いレベルで両立することができるインクを提供すること。【解決手段】 自己分散顔料とアクリル樹脂粒子と界面活性剤と水溶性有機溶剤と水とを含有するインクであって、前記界面活性剤が、一般式（１）で表され、かつ、グリフィン法によって求められるＨＬＢ値が１１以下であるフッ素系界面活性剤を含有し、前記水溶性有機溶剤が、特定の群から選択される少なくとも何れかの水溶性有機溶剤を含有し、かつ、前記特定の群の水溶性有機溶剤の総含有量が、前記特定の群以外の水溶性有機溶剤の総含有量の４倍以上であり、インク全質量を基準とした、前記自己分散顔料の含有量と、前記アクリル樹脂粒子の含有量の合計が１０質量％以下であることを特徴とするインク。【選択図】 図１

画像記録方法、インクセット、及びインクセットの調製方法

【課題】 ブリード現象が抑制された画像記録方法、インクセット、及びインクセットの調製方法を提供する。 【解決手段】 記録媒体を搬送する搬送工程と、前記記録媒体に第１のインク及び第２のインクを付与するインク付与工程とを有する画像記録方法であって、前記第１のインク及び前記第２のインクが何れも、一般式（１）で表される界面活性剤を含有し、前記第１のインク全質量に対する、前記一般式（１）で表される界面活性剤の含有量が、前記第２のインク全質量に対する、前記一般式（１）で表される界面活性剤の含有量より大きく、前記第１のインクから前記一般式（１）で表される界面活性剤を除いた液体Ｘと、前記第２のインクから前記一般式（１）で表される界面活性剤を除いた液体Ｙとが、特定の条件を満足することを特徴とする画像記録方法。 【選択図】 図１

インク、インクカートリッジ及び画像記録方法

【課題】 画像の光学濃度及び耐擦過性を高いレベルで両立することができるインクを提供すること。【解決手段】 自己分散顔料と樹脂粒子と界面活性剤と水溶性有機溶剤と水とを含有するインクであって、前記界面活性剤が、一般式（１）で表され、かつ、グリフィン法によって求められるＨＬＢ値が１１以下であるフッ素系界面活性剤を含有し、前記樹脂粒子が、フッ素系樹脂粒子及びシリコーン系樹脂粒子から選択される少なくとも１種であり、前記水溶性有機溶剤が、（群Ａ）グリセリン、エチレングリコール、ジエチレングリコール、重量平均分子量が１０，０００以下であるポリエチレングリコール、１，３−プロパンジオール、１，４−ブタンジオール及びジグリセロールから選択される少なくとも何れかの水溶性有機溶剤を含有し、かつ、前記群Ａの水溶性有機溶剤の総含有量が、前記群Ａ以外の水溶性有機溶剤の総含有量より大きいことを特徴とするインク。【選択図】図１

インクジェット記録方法

【課題】記録領域と非記録領域を含む領域の全体で高い光沢性を有するとともに、べたつきが抑制された画像を記録することが可能なインクジェット記録方法を提供する。【解決手段】顔料を含有するインクをインクジェット方式で吐出するインク吐出工程と、第１の液体組成物をインクジェット方式で吐出する第１の液体組成物吐出工程と、第２の液体組成物をインクジェット方式で吐出する第２の液体組成物吐出工程とをこの順で有するインクジェット記録方法である。第１の液体組成物が、第１のランダムポリマーを含有し、第２の液体組成物が、ブロックポリマーと、第１のランダムポリマーよりも酸価が高い第２のランダムポリマーとを含有し、かつ、ブロックポリマーの含有量が、第２の液体組成物中の全てのポリマーの含有量に対して、１０質量％以上４０質量％以下である。【選択図】なし

インク、インクカートリッジ及び画像記録方法

【課題】 画像の光学濃度及び耐擦過性を高いレベルで両立することができるインクを提供すること。 【解決手段】 樹脂で分散されてなる顔料と界面活性剤と水溶性有機溶剤と水とを含有するインクであって、インク中の、前記顔料の含有量が、前記樹脂の含有量に対して、質量比率で３倍より大きく、前記界面活性剤が、一般式（１）で表され、かつ、グリフィン法によって求められるＨＬＢ値が１１以下であるフッ素系界面活性剤を含有し、前記水溶性有機溶剤が、特定の群Ａから選択される少なくとも何れかの水溶性有機溶剤を含有し、かつ、前記群Ａの水溶性有機溶剤の総含有量が、前記群Ａ以外の水溶性有機溶剤の総含有量より大きいことを特徴とするインク。 【選択図】 図１

半導電性フィルム、電子写真用ベルト及び電子写真画像形成装置

【課題】電子写真画像形成装置の中間転写体として長時間使用されても電気特性が低下しにくく、白抜け等の画像課題が発生しにくい半導電性フィルムを提供する。【解決手段】半導電性フィルムであって、バインダー樹脂と導電性粒子を含み、該半導電性フィルムの体積抵抗率が１×１０９Ω・ｃｍ以上１×１０１２Ω・ｃｍ以下であり、該半導電性フィルムは第１の樹脂を含む第１の相と、第２の樹脂を含む第２の相とを有し該導電性粒子は、該第２の相に偏在しており、該第１の樹脂が結晶性樹脂であり、該第２の樹脂の熱分解温度が４００℃以上の非晶性樹脂である。【選択図】 図３

Intermediate transfer member, image forming apparatus, and production device for polymer mixture

An intermediate transfer member including a base layer, wherein the base layer contains a thermoplastic resin and an electroconductive filler dispersed in the thermoplastic resin, and wherein the base layer has a volume resistivity of 1×106 to 1×1013 Ω·cm, and the base layer has an electroconductive path index of 0.20 or less.

中間転写体、画像形成装置、高分子混合物の製造装置とその製造方法

【課題】長期間にわたり安定した電気特性を維持し得る中間転写体、高品位な電子写真画像を安定して形成することができる画像形成装置、並びに導電性粒子の分散性に優れた高分子混合物の製造装置及び製造方法を提供する。【解決手段】基層を有する中間転写体であって、該基層は、熱可塑性樹脂と、該熱可塑性樹脂中に分散されている導電性フィラーとを含有し、該基層の体積抵抗率が１×１０６Ω・ｃｍ以上１×１０１３Ω・ｃｍ以下であり、かつ、特定の方法によって算出される、該基層の導電パス指数が０．２０以下であることを特徴とする中間転写体。【選択図】図１

薄層クロマトグラフィー用プレート

【課題】 薄層クロマトグラフィーにおいて、展開液の展開前に付与した液体試料の量を正確に定量できるようにすること。【解決手段】 溶媒を含む試料の中から１つ以上の検体を分離する薄層クロマトグラフィー用のプレートであって、担体と、前記担体に担持された物質とを含み、前記物質は、前記プレートに付与された前記溶媒によって、前記担体中をＲｆ値が０．４以上となるように展開する。【選択図】 図１

Heat-sensitive recording body and image formation method

A thermosensitive recording medium 100 includes a support 50, and a first thermosensitive coloring layer 10, a first intermediate layer 15, and a second thermosensitive coloring layer 20 disposed on the support 50 in descending order of distance from the support 50. The first thermosensitive coloring layer 10 and the second thermosensitive coloring layer 20 each contain an electron-donating dye precursor, an electron-accepting compound, a radical-polymerizable compound, and a photoradical polymerization initiator, and the first intermediate layer 15 contains a UV absorber.

画像処理装置、画像処理装置の制御方法、識別器の生成方法、識別方法、識別装置、識別器の生成装置、及び識別器

【課題】 推論精度を向上させること【解決手段】 画像中の特定領域の情報を推論に基づいて取得する画像処理装置であって、前記画像から、所定の推論条件に基づいて抽出された複数の注目領域の情報の各々を、学習済みモデルに入力することにより推論された、前記特定領域の情報を取得する情報取得手段を有し、前記複数の注目領域は、第一の注目領域と第二の注目領域とを含み、前記第一の注目領域と前記第二の注目領域とは、各々が、互いに重複する領域と、互いに重複しない領域とを有する画像処理装置。【選択図】 図２

インクジェット記録方法

【課題】光沢性が高いとともに表面平滑性に優れており、かつ、薄膜干渉が実質的に解消された画像を記録可能なインクジェット記録方法を提供する。 【解決手段】顔料を含有するインクを記録媒体に対してインクジェット方式で付与するインク付与工程と、インクが付与された領域中の光沢を付与したい光沢付与領域に凹凸構造を形成する凹凸構造形成工程と、凹凸構造が形成された光沢付与領域に第１の液体組成物を付与する第１の液体組成物付与工程と、をこの順で有し、凹凸構造が、その平均高さが２５０ｎｍ以上の複数の凸部と、複数の凹部とを有し、任意の凸部の中心から隣接する凹部の中心までの平均距離が１００μｍ未満であることを特徴とするインクジェット記録方法である。 【選択図】なし

Information processing device, information processing device control method, program, calculation device, and calculation method

Hitherto, preprocessing for separating impurities and calculation processing, for example, a peak splitting method, are required in order to acquire information on test substances from spectral information. An information processing apparatus according to the present invention includes information acquisition means for acquiring quantitative information on a test substance estimated by inputting spectral information on a sample containing the test substance and impurities into a learning model.

薄層プレート

【課題】 感度が高いクロマトグラフィー用の薄層プレートを提供すること。【解決手段】 薄層プレートで、サンプルを付与する付与部が撥水性を有する。【選択図】 図１

Semi electro-conductive film, electrophotographic belt, and electrophotographic image forming apparatus

Provided is a semi electro-conductive film comprising a binder resin and electroconductive particles. The volume resistivity of the electroconductive layer is 1×10 9 Ω·cm or more and 1×10 12 Ω·cm or less. The electroconductive layer has a first phase containing a first resin and a second phase containing a second resin. The electroconductive layer further includes electroconductive particles. The electroconductive particles are unevenly present in the second phase. The first resin is a crystalline resin. The second resin is a noncrystalline resin with a thermal decomposition temperature of 400° C. or more.

Intermediate transfer member, image forming apparatus, and production device and production method for polymer mixture

An intermediate transfer member including a base layer, wherein the base layer contains a thermoplastic resin and an electroconductive filler dispersed in the thermoplastic resin, and wherein the base layer has a volume resistivity of 1×10⁶ to 1×10¹³ Ω·cm, and the base layer has an electroconductive path index of 0.20 or less.

インク、インクカートリッジ及び画像記録方法

【課題】 画像の光学濃度及び耐擦過性を高いレベルで両立することができるインクを提供すること。 【解決手段】 樹脂分散剤で分散されてなる顔料と樹脂粒子と界面活性剤と水溶性有機溶剤と水とを含有するインクであって、前記樹脂粒子の表面のアニオン性官能基量が０．２ｍｍｏｌ／ｇ以下であり、前記界面活性剤が、一般式（１）で表され、かつ、グリフィン法によって求められるＨＬＢ値が１１以下であるフッ素系界面活性剤を含有し、前記水溶性有機溶剤が、グリセリン、エチレングリコール、ジエチレングリコール、重量平均分子量が１０，０００以下であるポリエチレングリコール、１，３−プロパンジオール、１，４−ブタンジオール及びジグリセロールから選択される少なくとも何れかの水溶性有機溶剤を含有することを特徴とするインク。 【選択図】 図１

薄層クロマトグラフィー

【課題】薄層クロマトグラフィーにおいて、検出対象物の展開を正常に行うことを課題とする。【解決手段】少なくとも検出対象物と夾雑物とを含む試料から、検出対象物を分離する薄層クロマトグラフィーであって、検出対象物を分離する工程における展開方向に対して時計回りに９０度より大きく２７０度より小さい方向へ展開を行う前処理工程を有することを特徴とする。【選択図】図１

画像記録方法

【課題】複数色のカラーインクを用いた場合であっても、発色性及び耐擦過性に優れた画像を記録することが可能な画像記録方法を提供する。 【解決手段】インクジェット記録装置を使用して、カラー顔料、樹脂粒子、及び水を含有する２以上のインクを記録媒体に吐出して付与する工程を有する画像記録方法である。インクジェット記録装置は、記録媒体の搬送方向に順次配列された２以上の記録ヘッドを備え、記録媒体は、普通紙又は高吸収性記録媒体であり、２以上の記録ヘッドのうち、少なくとも、記録媒体の搬送方向の最上流に位置する第１記録ヘッドから吐出される第１インクには、耐擦過添加物が含有されており、第１記録ヘッドよりも、記録媒体の搬送方向の下流側に位置する記録ヘッドから吐出されるインク中の耐擦過添加物の含有量が、第１インク中の耐擦過添加物の含有量に比して少ない。 【選択図】図１

Information processing device, information processing device control method, program, calculation device, and calculation method

Hitherto, preprocessing for separating impurities and calculation processing, for example, a peak splitting method, are required in order to acquire information on test substances from spectral information. An information processing apparatus according to the present invention includes information acquisition means for acquiring quantitative information on a test substance estimated by inputting spectral information on a sample containing the test substance and impurities into a learning model.