Abstract: An ink jet recording apparatus which includes a recording head, and forms an image by ejecting printing liquid including a volatile organic compound (VOC) from the recording head onto a recording medium, wherein the ink jet recording apparatus includes a volatile organic compound decomposer for decomposing the volatile organic compound.

Abstract: According to the invention, there is provided an ink comprising a pigment, in which a group having a functional group is chemically bonded to the surface of the pigment, water, and a water-soluble organic solvent, wherein the amount of solid components having a molecular weight of 500 or more in the supernatant when the ink is subjected to centrifugation at a gravitational acceleration of 2×105 G for 60 minutes being in the range of from approximately 0.1 to approximately 35% by mass with respect to the total amount of solid components in the ink.

Abstract: The invention provides a recording apparatus comprising: an intermediate transfer body; a supplying unit supplying a curable solution containing a resin that is curable by external stimulation on the intermediate transfer body; an ejecting unit containing a recording material onto a layer to be cured formed by the curable solution supplied on the intermediate transfer body; a transferring unit transferring the layer to be cured on which the ink has been ejected to a recording medium from the intermediate transfer body; and a stimulation supplying unit supplying stimulation that cures the layer to be cured that has been transferred onto the recording medium.

Abstract: A recording apparatus comprises: an intermediate transfer body; a releasing agent supply device that supplies a releasing agent onto the intermediate transfer body; a particle supply device that supplies hydrophilic ink-recipient particles that receive an ink, onto the releasing agent supplied onto the intermediate transfer body; an ink ejection device that ejects the ink onto the ink-recipient particles supplied onto the intermediate transfer body; and a transfer device that transfers the ink-recipient particles that received the ink, onto a recording medium from the intermediate transfer body, the releasing agent comprising at least one selected from the group consisting of a silicone oil, a fluorinated oil and an organic compound having a solubility parameter (SP value) of about 11 or less.

Abstract: The present invention relates to a method for treating liquids used in inkjet recording comprising, providing a first printing liquid and a second printing liquid that is capable of reacting with the first printing liquid to cause coagulation and thickening if mixed with the first printing liquid, and exposing the first and second printing liquids to each other to form a mixture, wherein when the mixture includes a coagulation-thickening preventing agent which prevents the reaction of the printing liquids.

Abstract: The present invention relates to a method for treating liquids used in inkjet recording comprising, providing a first printing liquid and a second printing liquid that is capable of reacting with the first printing liquid to cause coagulation and thickening if mixed with the first printing liquid, and exposing the first and second printing liquids to each other to form a mixture, wherein when the mixture includes a coagulation-thickening preventing agent which prevents the reaction of the printing liquids.

Abstract: An ink jet recording method utilizing an ink set for ink jet recording which includes at least two types of liquids including an ink that contains at least a colorant, and a liquid composition that contains at least a component for aggregating and/or thickening the ink. The relation represented by the following formula (1) is satisfied: b2/a2<b1/a1 ??Formula (1) wherein a1 and b1 represent the respective amounts of the ink and the liquid composition applied per unit area, when the ink is applied to the recording material before the liquid composition is applied; a2 and b2 represent the respective amounts of the ink and the liquid composition applied per unit area, when the liquid composition is applied to the recording material before the ink is applied; and a1 and b1 satisfy the relation a1>b1 and a2 and b2 satisfy the relation a2>b2.

Abstract: Ink receptive particles for receiving ink, including: particles P including hydrophilic polymer particles having a ratio of hydrophilic monomer(s) to the total monomer components thereof of from about 10 mol % to about 90 mol %; and hydrophobic polymer particles, attached to at least a part of a surface of the particles P and having a ratio of hydrophilic monomer(s) to the total monomer components thereof of from about 0 mol % to about 10 mol %.

Abstract: The invention provides an inkjet ink set for use in an inkjet recording apparatus including a heater that heats a recording medium at least before or after ejecting each liquid of the ink set onto the recording medium, the ink set including: an inkjet ink; and an inkjet processing liquid including at least a compound having a function of aggregating, thickening or insolubilizing a component of the ink, at least one of the ink or the processing liquid including at least one selected from the group consisting of saccharides represented by the following Formula (I) and derivatives thereof: Formula (I): Cm(H2O)n, in Formula (I), m representing an integer of 3 to 6, and n representing an integer of 3 to 6, and at least one of the ink or the processing liquid including a penetrating agent.

Abstract: The present invention relates to a method for treating liquids used in inkjet recording comprising, providing a first printing liquid and a second printing liquid that is capable of reacting with the first printing liquid to cause coagulation and thickening if mixed with the first printing liquid, and exposing the first and second printing liquids to each other to form a mixture, wherein when the mixture includes a coagulation-thickening preventing agent which prevents the reaction of the printing liquids.

Abstract: An ink jet recording apparatus is provided with a recording head that ejects ink droplets, an ink tank that supplies ink to the recording head, a waste ink recovering mechanism that recovers ink droplets ejected from the recording head as waste ink, a waste-ink tank, which is connected to the waste-ink recovering mechanism and stores the waste ink, a diluent tank which is communicated with the waste-ink tank and accommodates a diluent that dilutes the waste ink, and at least one of diluent supplier, that is, one of a first diluent supplier which supplies the diluent in the diluent tank to the waste-ink tank to make the conductivity of the waste ink in the waste-ink tank substantially the same as the conductivity of the ink stored in the ink tank and a second diluent supplier which supplies the diluent in the diluent tank to the waste-ink tank to make the specific gravity of the waste ink in the waste-ink tank substantially the same as the specific gravity of the ink stored in the ink tank.

Abstract: The present invention relates to a method for treating liquids used in inkjet recording including, providing a first printing liquid and a second printing liquid that is capable of reacting with the first printing liquid to cause coagulation and thickening if mixed with the first printing liquid, and exposing the first and second printing liquids to each other to form a mixture, wherein when the mixture includes a coagulation-thickening preventing agent which prevents the reaction of the printing liquids.

Abstract: An inkjet ink includes at least colorant particles, a water-soluble organic solvent, and water, wherein each of the colorant particles has a core particle and a coating layer formed around it or adsorbed particles on the surface thereof and the core particle contains a resin material having a glass transition temperature (Tg) of 75° C. or lower.

Abstract: A liquid composition containing at least water, a photopolymerization initiator, a water-soluble organic solvent and a polymerizable compound that can cause a polymerization reaction due to the photo polymerizing initiator, wherein the polymerizable compound is contained two or more kinds, the glass transition temperature (Tg) of at least one kind of the polymerizable compound being 50° C. or more, and the glass transition temperature (Tg) of at least one kind thereof being 10° C. or less, an ink set for ink jet, and a recording method and a recording apparatus using the same.

Abstract: A power supply apparatus is provided in the exemplary embodiments. The voltage generation circuit has a switching element. The control circuit controls a switching operation of the switching element. The voltage comparator compares an output voltage from the voltage generation circuit with a predetermined test voltage. The timer circuit is activated, when the output voltage from the voltage generation circuit is lower than the test voltage, and then measures elapsed time. The control circuit stops the switching operation of the switching element when the elapsed time measured by the timer circuit has exceeded a predetermined period of time.

Abstract: The present invention provides an ink-jet ink set having at least: an ink which contains at least an inorganic oxide pigment and a resin; and a second liquid which contains at least a coagulant capable of coagulating the inorganic oxide pigment. The ink-jet ink set is preferably used for recording of a white image. The present invention further provides an ink cartridge which contains the ink-jet ink set. The present invention further provides an ink-jet recording method having at least forming an image by ejecting the ink from an ink-jet recording head and providing the second liquid on a recording medium. The present invention further provides an ink-jet recording apparatus having at least an ink-jet recording head which ejects the ink and a device which provides the second liquid onto the recording medium.

Abstract: Droplet ejecting apparatus has a recording medium carrier portion provided with recording medium carrier rollers conveying a recording medium, a droplet ejecting portion discharging droplets to the recording medium, and a droplet adherence preventing liquid applying portion applying droplet adherence preventing liquid preventing adherence of the droplets to at least one of the recording medium carrier rollers.

Abstract: An optical component as an embodiment of the present invention comprises an optical waveguide. This optical waveguide is a single optical waveguide having a first position and a second position along a longitudinal direction thereof. In this optical waveguide, cross-sectional refractive index profiles vary along the longitudinal direction between the first position and the second position. In this optical waveguide, at a predetermined wavelength to become a single mode at the first position, an overlap rate between a field distribution of light having propagated from the first position and having arrived at the second position, and a Gaussian distribution is not less than 90%.

Abstract: An ink jet recording device including a recording head for depositing ink on a recording medium and a liquid absorbing device for absorbing excess liquid of the ink remaining on the recording medium after the depositing of the ink on the recording medium using the recording head, wherein the liquid absorbing device includes an absorber including a hydrophilic surface which contacts the excess liquid, and the hydrophilic surface has a residual fine particle ratio of not less than about 90%, the residual fine particle ratio being a ratio of fine particles remaining on the hydrophilic surface when fine particles having an average particle size of 5 ?m are filtered by the hydrophilic surface.

Abstract: A controller for a liquid drop ejecting device including a first head with plural first liquid drop ejectors, and a second head with plural second liquid drop ejectors, is provided. The controller includes: a scanning controlling section scanning at least the first head plural times a same region of a recording medium; and an ejection controlling section controlling the first and second head such that a proportion of an applied amount, per unit surface area, of the second liquid drops with respect to an applied amount, per unit surface area, of the first liquid drops in a first scan, is within a range of 0 to a first value, and the proportion in scans from a second scan on is within a range of a second value to 1, and the proportion in the first scan is smaller than the proportion in the scans from the second scan on.