Abstract: A processing fluid contains a metal ion and an organopolysiloxane, wherein the content of the metal ion in the processing fluid is from 0.5 to 50 g/L and the organopolysiloxane has a weight average molecular of from 5,000 to 500,000.

Abstract: Provided is an ink including water, and an organic solvent, wherein a dried product of the ink has an endothermic peak temperature Tm of 22° C. or higher but 74° C. or lower as measured by differential scanning calorimetry, the differential scanning calorimetry includes first heating, cooling, and second heating, where the first heating is heating the dried product of the ink from ?60° C. to 140° C. at a heating rate of 10° C./min, the cooling, which is performed after the first heating, is cooling a heated product obtained in the first heating from 140° C. to ?60° C. at a cooling rate of ?10° C./min, and the second heating, which is performed after the cooling, is heating a cooled product obtained in the cooling from ?60° C. to 140° C. at a heating rate of 10° C./min, and the endothermic peak temperature Tm is an endothermic peak temperature in the second heating.

Abstract: An image forming apparatus contains an ink having a dynamic surface tension of from 30 to 50 mN/m at a life time of 15 msec at 25 degrees C., a container containing the ink and a head configured to discharge the ink to a fabric including a first fabric containing synthetic fiber in an amount of more than 50 percent by mass and a second fabric containing natural fiber in an amount of 50 percent by mass or greater, the head including a nozzle surface, wherein a first distance between positions of two consecutive droplets of the ink discharged from the head on the first fabric is shorter than a second distance between positions of two consecutive droplets of the ink discharged from the head on the second fabric.

Abstract: A liquid discharging device is provided that includes: a first head (11) containing a pretreatment liquid, configured to discharge the pretreatment liquid onto a recording medium; a second head (12) disposed downstream of the first head (11) in a conveyance direction of the recording medium, configured to discharge an ink; an exhaust unit (14) disposed upstream of the first head (11) in the conveyance direction, configured to evacuate a gas present between the first head (11) and the recording medium from a downstream side to an upstream side in the conveyance direction; and a housing (30) internally containing the first head (11) and the second head (12), internally or externally containing the exhaust unit (14), and having an opening (32) downstream of the exhaust unit (14) in the conveyance direction.

Abstract: An image forming apparatus includes an ink having a dynamic surface tension of from 30 to 50 mN/m at a life time of 15 msec at 25 degrees C., a container containing the ink, and a head configured to discharge the ink to a fabric including a first fabric containing synthetic fiber in an amount of more than 50 percent by mass and a second fabric containing natural fiber in an amount of 50 percent by mass or greater, wherein the droplet of the ink discharged to the first fabric is larger than the droplet of the ink discharged to the second fabric.

Abstract: An ink set contains a pre-processing fluid containing a multivalent metal ion, a first ink and a second ink, wherein the first ink has a surface tension of 35 mN/m or greater at 25 degrees C. and a life time of 150 ms, wherein the second ink has a surface tension of 35 mN/m or greater at 25 degrees C. and a life time of 150 ms and the second ink is a white ink.

Abstract: An inkjet ink comprising a resin and a polyvalent metal ion is provided. The resin contains a resin (1) having a structural unit represented by the following general formula (1): —(CH2CH2O)n—??general formula (1) where n represents an integer of 5 to 100. A dried film obtained by drying the resin having the structural unit represented by the general formula (1) has a storage modulus of 1.0×108 Pa or lower in a dynamic viscoelasticity measurement at 25 degrees C.

Abstract: Provided is an ink including water, and an organic solvent, wherein a dried product of the ink has an endothermic peak temperature Tm of 22° C. or higher but 74° C. or lower as measured by differential scanning calorimetry, the differential scanning calorimetry includes first heating, cooling, and second heating, where the first heating is heating the dried product of the ink from ?60° C. to 140° C. at a heating rate of 10° C./min, the cooling, which is performed after the first heating, is cooling a heated product obtained in the first heating from 140° C. to ?60° C. at a cooling rate of ?10° C./min, and the second heating, which is performed after the cooling, is heating a cooled product obtained in the cooling from ?60° C. to 140° C. at a heating rate of 10° C./min, and the endothermic peak temperature Tm is an endothermic peak temperature in the second heating.

Abstract: A liquid discharging device is provided that includes: a first head (11) containing a pretreatment liquid, configured to discharge the pretreatment liquid onto a recording medium; a second head (12) disposed downstream of the first head (11) in a conveyance direction of the recording medium, configured to discharge an ink; an exhaust unit (14) disposed upstream of the first head (11) in the conveyance direction, configured to evacuate a gas present between the first head (11) and the recording medium from a downstream side to an upstream side in the conveyance direction; and a housing (30) internally containing the first head (11) and the second head (12), internally or externally containing the exhaust unit (14), and having an opening (32) downstream of the exhaust unit (14) in the conveyance direction.

Abstract: An image forming method for forming an image on a non-absorbable substrate includes (a) applying a surface processing composition including water, a first organic solvent, and a urethane resin particle to the non-absorbable substrate, (b) applying a non-white ink including water, a second organic solvent, and a second acrylic resin particle and (c) applying a white ink including water, a third organic solvent, a third acrylic resin particle, and a white colorant.

Abstract: A processing fluid contains a metal ion and an organopolysiloxane, wherein the content of the metal ion in the processing fluid is from 0.5 to 50 g/L and the organopolysiloxane has a weight average molecular of from 5,000 to 500,000.

Abstract: An ink set contains a pre-processing fluid comprising a multivalent metal ion, a first ink and a second ink, wherein the first ink has a surface tension of 35 mN/m or greater at 25 degrees C. and a life time of 150 ms, wherein the second ink has a surface tension of 35 mN/m or greater at 25 degrees C. and a life time of 150 ms and the second ink is a white ink.

Abstract: An image forming apparatus contains an ink having a dynamic surface tension of from 30 to 50 mN/m at a life time of 15 msec at 25 degrees C., a container containing the ink and a head configured to discharge the ink to a fabric including a first fabric containing synthetic fiber in an amount of more than 50 percent by mass and a second fabric containing natural fiber in an amount of 50 percent by mass or greater, the head including a nozzle surface, wherein a first distance between positions of two consecutive droplets of the ink discharged from the head on the first fabric is shorter than a second distance between positions of two consecutive droplets of the ink discharged from the head on the second fabric.

Abstract: An image forming apparatus includes an ink having a dynamic surface tension of from 30 to 50 mN/m at a life time of 15 msec at 25 degrees C., a container containing the ink, and a head configured to discharge the ink to a fabric including a first fabric containing synthetic fiber in an amount of more than 50 percent by mass and a second fabric containing natural fiber in an amount of 50 percent by mass or greater, wherein the droplet of the ink discharged to the first fabric is larger than the droplet of the ink discharged to the second fabric.

Abstract: A liquid discharge apparatus includes a head configured to discharge a pretreatment liquid from nozzles formed on a nozzle surface of the head onto a medium, a holder configured to hold the medium with a gap between the nozzle surface of the head and the holder, and a heater configured to heat the medium held by the holder. The head discharges the pretreatment liquid onto the medium held by the holder with the gap of 4.0 mm or more.

Abstract: A liquid discharging device includes a first head including a first nozzle formed on a first surface of the first head, the first head being configured to discharge a first ink containing a metal oxide from the first nozzle, a second head including a second nozzle formed on a second surface of the second head, the second head being configured to discharge a second ink containing a coloring material from the second nozzle, a recording medium holding unit configured to hold a recording medium, and a heating device configured to heat the recording medium, wherein the first head discharges the first ink in a state where a first distance between the first surface and the recording medium holding unit is 4.0 mm or more.

Abstract: An ink set is provided including a first ink containing a polyvalent metal ion and a second ink containing a copolymer having a structural unit represented by the following general formula (1): wherein R1 represents hydrogen atom or a methyl group, and R2 represents one linking group or a combination of two or more linking groups selected from a group consisting of the following linking groups: —COO—, —OCO—, —O—, —NHCONH—, NR3CO— (R3 represents hydrogen atom or an alkyl group having 1 to 6 carbon atoms), an alkylene group having 1 to 12 carbon atoms, an alkyl ether group having 1 to 12 carbon atoms, and —NR4- (R4 represents hydrogen atom or an alkyl group having 1 to 6 carbon atoms).

Abstract: A surface treatment liquid composition for a substrate is provided. The surface treatment liquid composition includes a water-soluble salt, water, and a resin particle including a resin having a structural unit represented by the following formula (1): where R1 represents —COO—; each of R2 and R3 independently represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; and n represents an integer of from 5 to 100.

Abstract: A liquid discharging device includes a first head including a first nozzle formed on a first surface of the first head, the first head being configured to discharge a first ink containing a metal oxide from the first nozzle, a second head including a second nozzle formed on a second surface of the second head, the second head being configured to discharge a second ink containing a coloring material from the second nozzle, a recording medium holding unit configured to hold a recording medium, and a heating device configured to heat the recording medium, wherein the first head discharges the first ink in a state where a first distance between the first surface and the recording medium holding unit is 4.0 mm or more.

Abstract: A liquid discharge apparatus includes a head configured to discharge a pretreatment liquid from nozzles formed on a nozzle surface of the head onto a medium, a holder configured to hold the medium with a gap between the nozzle surface of the head and the holder, and a heater configured to heat the medium held by the holder. The head discharges the pretreatment liquid onto the medium held by the holder with the gap of 4.0 mm or more.