Brother Kogyo Kabushiki-kaisha

Yasuhiro Taga

Kazuma Goto

Shinpei Ito

Mitsunori Maeda

Tomoyo Hamajima

Keisuke Yuhara

Masaya Fujioka

Narumi Koga

Kenta Hayashida

Shunichi Higashiyama

Hideji Fukaya

Kosuke Nukui

Michiko Aoyama

Satoshi Okuda

Takashi Kanzaki

Shuhei Suzuki

Kenta Hasebe

An ink set includes: a water-based ink for ink-jet recording that contains water and at least one of a direct dye and an acid dye; and a fixing agent that contains a water-soluble polymer having diallyl amines as a constituent unit.

Ink set, recording method, and recording medium

An image recording apparatus includes: a jetting head which is movable in a main scanning direction and which has nozzles configured to jet an ultraviolet-curable type ink onto a printing medium; a light source which is configured to irradiate the ultraviolet-curable type ink jetted onto the printing medium with an ultraviolet ray; a movement mechanism which is configured to relatively move the printing medium with respect to the jetting head in a subsidiary scanning direction orthogonal to the main scanning direction; and a controller. The controller is configured to cause the ink contained in the jetting head to be agitated without jetting the ink at least during irradiation with the ultraviolet ray by the light source.

Image printing apparatus, image printing method, and medium storing image printing program

There is provided a set including: a water-based ink for ink-jet recording including a dye and water; and a treatment agent including a cationic polymer emulsion which includes a cationic polymer including a urethane structure. There is provided a recording method for recording on a recording medium which is fabric or recording paper by using the set.

Set of ink and treatment agent, and recording method

There is provided an ink set usable for forming an image on a recording medium which is fabric or recording paper, the ink set including: a water-based ink for ink-jet recording including a pigment, a first resin and water; and a treatment agent including a second resin and the water. The ink set satisfies the following conditions (1) to (3): condition (1): 0.9&#x2264;(B+C)/A; condition (2): 3&#x2264;A&#x2264;9; condition (3): B&#x3c;9. In the conditions (1) to (3), A: a blending amount (% by weight) of the pigment in an entire amount of the water-based ink; B: a blending amount (% by weight) of the first resin in the entire amount of the water-based ink; and C: a blending amount (% by weight) of the second resin in an entire amount of the treatment agent.

Ink set, image forming method and ink-jet recording apparatus

There is provided a treatment agent applicable to a recording surface of a recording medium which is recording paper or fabric. The treatment agent contains: a non-cationic sizing agent; and at least one cationic substance which is selected from the group consisting of: a cationic polymer capable of forming a flexible film in a case that the cationic polymer is dried, a cationic surfactant, a polyvalent metal salt and a polyvalent metal ion.

Treatment agent and ink set

A treatment agent for image recording includes a cationic polymer emulsion and a cationic surfactant. A set usable for recording on a fabric includes a water-based ink for ink-jet recording including a colorant and water; and the treatment agent for image recording. A recording method for recording on a fabric by using the set includes: applying the treatment agent for image recording to the fabric; drying the treatment agent for image recording applied to the fabric; and jetting the water-based ink onto the fabric by an ink-jet system.

Treatment agent for image recording, set including ink and treatment agent for image recording, and recording method

There is provided a treatment agent for image recording including: a cationic polymer emulsion; and a water-soluble organic solvent including a glycol-based water-soluble organic solvent of which boiling point is not more than 200&#xb0; C. The treatment agent satisfies the following condition (1): 20&#x2264;A&#x2264;60. In the condition (1), A: a content amount (% by mass) of the glycol-based water-soluble organic solvent, of which boiling point is not more than 200&#xb0; C., in an entire amount of the treatment agent for image recording.

Treatment agent for image recording, set of ink and treatment agent for image recording, and recording method

An image forming method uses an apparatus for forming an image on both recording media of fabric and recording paper. The image forming method includes: applying a treatment agent to the fabric, the treatment agent coagulating a water-based ink or increasing viscosity of the water-based ink; and discharging the water-based ink onto the fabric by an ink-jet system, the water-based ink being identical to a water-based ink used for forming the image on the recording paper.

Image forming method and ink-jet recording apparatus

There is provided an image forming method for forming an image on a recording medium which is fabric or recording paper by using an ink set including an ink and a treatment agent. In a case that the recording medium is the fabric, the image forming method includes: applying the treatment agent, which includes a cationic substance and a water-soluble organic solvent, to the fabric in an application amount of the treatment agent per an area of the fabric in a range of 4.7 mg/cmto 34 mg/cm; drying the applied treatment agent and thereby reducing weight of the treatment agent in the fabric to be not more than 50% of the application amount of the treatment agent; and jetting the ink, which includes an anionic dye and a water-soluble organic solvent, onto the fabric by an ink-jet system.

Image forming method and ink set

An ink set for ink-jet recording includes an achromatic color ink containing potassium ion and at least one of lithium ion and sodium ion; and a chromatic color ink containing at least one selected from the group consisting of: the potassium ion, the lithium ion and the sodium ion, wherein the ink set satisfies Condition (X): K/(Li+Na+K)&#x3e;0.7, and Condition (Y): K/(Li+Na+K)&#x3c;0.6.

Ink set for ink-jet recording, and method for producing ink set for ink-jet recording

An ink set of the present teaching includes a water-based ink for ink-jet recording and a fixing agent. The water-based ink for ink-jet recording contains water and at least one of a direct dye and an acid dye, and the fixing agent contains a cationic compound represented by Formula (1): wherein in Formula (1):

Ink set and recording method

The inkjet head for discharging a water-based ink for inkjet recording is disclosed, the inkjet head including two or more types of metal members used at portions to be brought in contact with the water-based ink, wherein at least two of the two or more types of the metal members are electrically connected, and the two or more types of the electrically connected metal members have spontaneous potentials each of which is measured with a reference electrode Ag/AgCl in the water-based ink and which provide an absolute value of a maximum difference therebetween, the absolute value being not more than 60 mV. An ink jet head is provided, in which any corrosion of a metal member is suppressed.

Ink-jet head and ink-jet recording apparatus

A water-based ink for ink-jet recording includes a self-dispersible pigment which is modified with phosphate group, at least one of dextran and a derivative thereof, and water.

Water-based ink for ink-jet recording, water-based ink set for ink-jet recording, and treatment agent

A water-based ink for ink-jet recording includes a self-dispersible pigment which is modified with phosphate group, pullulan or a derivative thereof, and water.

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Kani, Japan

Yasuhiro Taga