Abstract: When a porous body is repeatedly used to perform treatment of absorbing and removing an aqueous liquid component on an image which is formed using a reaction liquid and an ink and contains the aqueous liquid component and a coloring material, recovery treatment for applying a recovery liquid to the porous body is performed, the recovery liquid having a viscosity lower than a viscosity of the reaction liquid and the ink.

Abstract: A liquid holding amount of a porous body of a liquid absorbing member for removing at least a portion of an aqueous liquid component from an image obtained by ink jet printing is controlled so as to reduce damage to the porous body while maintaining performance of removing attached matters from the porous body by using a cleaning member which abuts on the porous body and has an adhesive force.

Abstract: Disclosed is an ink jet recording apparatus including an image forming unit that forms a first image including a first liquid and a coloring material on an ink receiving medium; and a liquid absorbing member that includes a porous body which is configured to be brought into contact with the first image so as to absorb at least a portion of the first liquid from the first image, in which an average pore diameter of a first surface of the porous body which is configured to be brought into contact with the first image is equal to or smaller than 0.6 ?m, an arithmetic average roughness Ra defined by JIS B 0601:2001 of the first surface of the porous body is equal to or smaller than 1.9 ?m, an average pore diameter of a second surface, which is a back surface of the first surface, of the porous body is larger than the average pore diameter of the first surface, and a Gurley value defined by JIS P 8117 of the porous body is equal to or shorter than 10 seconds.

Abstract: In an ink jet recording method including a step of absorbing a liquid component from an image formed of ink and a reaction liquid by a porous body of a liquid absorbing member, a resin fine particle agglomerated by the reaction liquid are contained in the ink, and a particle diameter d50 of a solid content contained in a mixture of the ink after agglomeration and the reaction liquid is larger than an average pore diameter of a porous membrane of the liquid absorbing member, and thereby adhesion of a coloring material to the porous body can be suppressed.

Abstract: An ink jet recording apparatus includes an image forming unit that forms a first image containing a first liquid and a coloring material on an ink receiving medium; and a liquid absorbing member that includes a porous body which is configured to be brought into contact with the first image so as to absorb at least a portion of the first liquid from the first image, in which the porous body is a porous sheet in which a first layer which is configured to be brought into contact with the first image, a second layer including a second fiber and a third layer including a third fiber are laminated in this order.

Abstract: On a conveyance path of a liquid absorbing member including a porous body, a liquid absorbing unit 2 that absorbs a first liquid from a first image, a recovery liquid applying unit 3 that applies a recovery liquid to the porous body absorbing the liquid and a liquid collecting unit 4 that collects a liquid component absorbed by the porous body are arranged in this order, and a cleaning unit 5 that brings a cleaning member into contact with the conveyance path of the porous body is disposed at least between the liquid absorbing unit and the recovery liquid applying unit or between the liquid collecting unit and the liquid absorbing unit.

Abstract: Reaction liquid application S1 to an ink receiving medium, formation of a first image by ink application S2, liquid absorption S3 from the first image by a porous body of a liquid absorbing member, cleaning S4 of the porous body, and liquid collection S5 from the porous body are repeated in an inkjet printing method. When the porous body comes into contact with the first image, first chemical species in the reaction liquid contributing to increasing the ink viscosity is contained, on the ink receiving medium and in the porous body, at a higher level in terms of molar equivalent per unit area than second chemical species in the ink also contributing to increasing the ink viscosity. In the liquid collection S5, the liquid is collected so that the liquid remains in the porous body on the side to be brought into contact with the first image.

Abstract: An ink jet recording method repeatedly performing the following steps on a transfer body, a step of forming a first image including a liquid component containing water and a water-soluble organic solvent and an insoluble solid content; a liquid removing step of forming a second image, from which a part of a liquid component contained in the first image is removed; and a transferring step of transferring the second image onto a recording medium by heating the second image to a temperature equal to or higher than a minimum filming temperature of the second image, wherein the minimum filming temperature of the second image is a temperature equal to or higher than 100° C.; and the first image is not subjected to a heat history equal to or higher than a boiling point of the water after the step of forming the first image and before the liquid removing step.

Abstract: An image recording method includes a reaction liquid applying step; a first liquid composition applying step; an ink applying step of applying an ink containing a second water-soluble resin so as to at least partly overlap with an area where the first liquid composition is applied on an intermediate transfer member to form an intermediate image; and a step of transferring the intermediate image to a recording medium by bringing the intermediate image into contact with the recording medium to separate the intermediate image from the intermediate transfer member. The temperatures Tc, T1 of the intermediate image and intermediate transfer member from start of the contact to the separation are adjusted to be not less than the glass transition temperature Tgs of the second water-soluble resin. The temperatures Tr, T2 of the intermediate image and recording medium at the separation are adjusted to be less than Tgs.

Abstract: A porous body that includes a first porous layer including a first resin, a second porous layer including a second resin, and a third porous layer including a third resin in this order. The second porous layer has a portion where no material is present when viewed in a thickness direction.

Abstract: An image recording method includes a reaction liquid applying step; a first liquid composition applying step; an ink applying step of applying an ink containing a second water-soluble resin so as to at least partly overlap with an area where the first liquid composition is applied on an intermediate transfer member to form an intermediate image; and a step of transferring the intermediate image to a recording medium by bringing the intermediate image into contact with the recording medium to separate the intermediate image from the intermediate transfer member. The temperatures Tc, T1 of the intermediate image and intermediate transfer member from start of the contact to the separation are adjusted to be not less than the glass transition temperature Tgs of the second water-soluble resin. The temperatures Tr, T2 of the intermediate image and recording medium at the separation are adjusted to be less than Tgs.

Abstract: A method for producing a porous body for use in an ink jet recording apparatus including an image forming unit configured to form a first image including a first liquid and a coloring material on an ink receiving medium, and a liquid absorbing member including the porous body that contacts with the first image to absorb part of the first liquid from the first image. The method includes laminating a first porous layer that contacts with the first image and includes a first resin, and a second and a third porous layer including a second and a third resin; and heating the laminated first to third porous layers, wherein the second porous layer has a void when viewed in a thickness direction, and softening temperatures T1 through T3 of the first to third resins and heating temperature T in heating the first to third porous layers satisfy T2<T, T<T1, T<T3.

Abstract: An ink jet recording apparatus including an image forming unit configured to form a first image containing a first liquid and a coloring material on an ink receiving medium; a liquid absorbing member including a porous body that comes into contact with the first image, the porous body being configured to absorb at least a part of the first liquid from the first image; and a plurality of pressure applying units configured to press the first image on the ink receiving medium by porous body. The plurality of pressure applying units include a first pressure applying unit configured to press the first image at a first pressure and a second pressure applying unit configured to press the first image having been pressed by the first pressure applying unit at a second pressure higher than the first pressure.

Abstract: A method for producing a porous body for use in an ink jet recording apparatus including an image forming unit configured to form a first image including a first liquid and a coloring material on an ink receiving medium, and a liquid absorbing member including the porous body that contacts with the first image to absorb part of the first liquid from the first image. The method includes laminating a first porous layer that contacts with the first image and includes a first resin, and a second and a third porous layer including a second and a third resin; and heating the laminated first to third porous layers, wherein the second porous layer has a void when viewed in a thickness direction, and softening temperatures T1 through T3 of the first to third resins and heating temperature T in heating the first to third porous layers satisfy T2<T, T<T1, T<T3.

Abstract: An ink jet recording method includes a step of forming a first image containing a first liquid and a coloring material on an ink receiving medium and a liquid absorbing step of bringing a liquid absorbing member including a porous body into contact with the first image to absorb at least some of the first liquid from the first image to form a second image.

Abstract: A transfer-type image recording method including the steps of applying a treatment liquid that causes aggregation of a component contained in ink to an image formation surface of an intermediate transfer member; applying ink to the surface to form an intermediate image; transferring the image from the surface to an recording medium; and applying an aqueous cleaning liquid to the surface. The treatment liquid contains a nonionic surfactant. In the step of applying a treatment liquid, T1<Tc1 is satisfied, where T1 and Tc1 are respectively the temperature and cloud point of the treatment liquid. In the step of applying an aqueous cleaning liquid, T2>Tc2 is satisfied, where T2 is the temperature of a liquid mixture, formed on the surface, of a remainder of the treatment liquid and the aqueous cleaning liquid, and Tc2 is the cloud point of the liquid mixture.

Abstract: A transfer-type image recording method including the steps of applying a treatment liquid that causes aggregation of a component contained in ink to an image formation surface of an intermediate transfer member; applying ink to the surface to form an intermediate image; transferring the image from the surface to an recording medium; and applying an aqueous cleaning liquid to the surface. The treatment liquid contains a nonionic surfactant. In the step of applying a treatment liquid, T1 <Tc1 is satisfied, where T1 and Tc1 are respectively the temperature and cloud point of the treatment liquid. In the step of applying an aqueous cleaning liquid, T2 >Tc2 is satisfied, where T2 is the temperature of a liquid mixture, formed on the surface, of a remainder of the treatment liquid and the aqueous cleaning liquid, and Tc2 is the cloud point of the liquid mixture.

Abstract: An image recording method including a reaction liquid applying step; a first liquid composition applying step; an ink applying step of applying an ink containing a second water-soluble resin so as to at least partly overlap with an area where the first liquid composition is applied on an intermediate transfer member to form an intermediate image; and a step of transferring the intermediate image to a recording medium by bringing the intermediate image into contact with the recording medium to separate the intermediate image from the intermediate transfer member. The temperatures Tc, T1 of the intermediate image and intermediate transfer member from start of the contact to the separation are adjusted to be not less than the glass transition temperature Tgs of the second water-soluble resin. The temperatures Tr, T2 of the intermediate image and recording medium at the separation are adjusted to be less than Tgs.

Abstract: A porous film includes a first layer made of a porous fluororesin and a second layer. The first layer has a thickness of 20 ?m or less and a water resistance, measured by Method B of the Hydrostatic Pressure Test specified in JIS L 1092, of 200 kPa or more. The second layer has an average distance between local peaks, specified in JIS B 0601: 1994, in the range of 3 ?m to 40 ?m.

Abstract: A transfer image forming apparatus includes ink applying unit for applying ink to an intermediate transfer member to form an intermediate image; a heating unit for irradiating the intermediate transfer member with at least infrared light to heat the intermediate image; and a transferring unit for pressing a recording medium against the intermediate transfer member having formed thereon the intermediate image to transfer the intermediate image onto the recording medium. The intermediate transfer member includes a substrate, and at least a second layer, a metal layer, and a first layer as a surface layer provided in the listed order on the substrate. The heat conductivity of the second layer is smaller than that of the first layer.