Canon Kabushiki Kaisha

Kyosuke Deguchi

Ryosuke Hirokawa

Toru Ohnishi

Akihiro Mouri

Toru Yamane

Noboru Toyama

Atsushi Sakamoto

Yoshiyuki Honda

Satoshi Masuda

Susumu Hirosawa

Toshimori Miyakoshi

Ryohei Goto

Hiroaki Motooka

Noribumi Koitabashi

Kenji Shinjo

Takuto Moriguchi

Tatsuaki Orihara

Makoto Terui

Daisuke Yoshitoku

Yasuaki Tominaga

Taku Higashiyama

Yohei Kohashi

The active energy ray-curable liquid composition according to the present disclosure is an active energy ray-curable liquid composition that contains water and a curable substance and is curable with an active energy ray, in which the curable substance contains a monofunctional polymerizable monomer having a structure represented by the Formula (1); in Formula (1), R1 represents a hydrogen atom or a saturated hydrocarbon group, R2 represents a saturated hydrocarbon group that has at least one of a hydroxyl group or an amide bond and may contain a heteroatom, R3 represents a hydrogen atom or a methyl group, R1 and R2 may be bonded together to form an aliphatic heterocycle together with a nitrogen atom substituted with R1 and R2 in a case where R1 represents a saturated hydrocarbon group, and a total number of carbon atoms of the saturated hydrocarbon groups represented by R1 and R2 is 5 or more.

Active energy ray-curable liquid composition, recording method, and recording apparatus

Reaction liquid application Sto an ink receiving medium, formation of a first image by ink application S, liquid absorption Sfrom the first image by a porous body of a liquid absorbing member, cleaning Sof the porous body, and liquid collection Sfrom 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 S, 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.

Printing method and printing apparatus

On a conveyance path of a liquid absorbing member including a porous body, a liquid absorbing unitthat absorbs a first liquid from a first image, a recovery liquid applying unitthat applies a recovery liquid to the porous body absorbing the liquid and a liquid collecting unitthat collects a liquid component absorbed by the porous body are arranged in this order, and a cleaning unitthat 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.

Ink jet printing apparatus and ink jet printing method

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 &#x3bc;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 &#x3bc;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.

Ink jet recording apparatus

An ink jet recording apparatus including: an image forming unit that forms a first image containing a first liquid and a coloring material on a transfer body; and a liquid absorbing device including a liquid absorbing member having a porous body coming in contact with the first image to at least partially absorb the first liquid from the first image, and a cleaning member coming in contact with the porous body to clean the porous body wherein surface free energy Yof the transfer body, surface free energy Yof the porous body, surface free energy Yof the cleaning member, and a dispersion force component Yof surface free energy of the first image satisfy the following Equation (1):||&#x2003;&#x2003;(1).

Ink jet recording apparatus and ink jet recording method

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&#xb0; 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.

Transfer type ink jet recording method with cooled transfer body

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.

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.

Ink jet printing apparatus

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.

Ink jet recording method using porous body

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.

Ink jet recording apparatus and method of producing porous body

A liquid absorbing apparatus for absorbing a liquid component from a formed ink image includes an endless liquid absorbing sheet, a mechanism configured to move the liquid absorbing sheet cyclically, an absorption mechanism configured to absorb the liquid component from the ink image by making the liquid absorbing sheet contact the ink image, a removing mechanism configured to squeeze and remove a liquid with a nipping pressure by nipping the liquid absorbing sheet, and at least one nipping portion, different from the absorption mechanism and the removing mechanism, configured to nip the liquid absorbing sheet. In the apparatus, the nipping pressure of the removing mechanism is set higher than a nipping pressure of the nipping unit.

Printing apparatus, liquid absorbing apparatus, control method

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

A technique for forming fine patterns by a simple method. A fine pattern forming method includes a step of forming a heat-resist film on a substrate, applying energy to regions of the resist film to form a fine pattern, and thereafter developing the resist film. The material used to form the resist film is a metal oxide of a composition that differs from a stoichiometric composition by lacking a small amount of oxygen, the energy is applied to the resist film using pressure, and the resist film is developed using an alkaline developer.

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Yokohama, Japan

Kyosuke Deguchi