公开(公告)号：US20180258300A1

公开(公告)日：2018-09-13

申请号：US15891691

申请日：2018-02-08

Applicant: Seiko Epson Corporation

Inventor： Yuho MIYAKE ,  Ryosuke TERAMOTO ,  Tetsuya AOYAMA

IPC: C09D11/324 ,  C09D11/322 ,  C09D11/033 ,  C09D11/107 ,  C09D11/102 ,  B41J2/175

CPC classification number: C09D11/324 ,  B41J2/17509 ,  B41J2/17513 ,  B41J2/1752 ,  B41J2/17553 ,  B41J2002/17516 ,  C09D11/033 ,  C09D11/102 ,  C09D11/106 ,  C09D11/107 ,  C09D11/322 ,  C09D11/38

Abstract: An ink composition contains resin particles, a pigment, glycol ether, and water, wherein the resin particles satisfy the condition defined by Relational Expression (1) 1.0≤(ϕ2/ϕ1)≤12.5  (1) (where ϕ1 represents the volume average particle size of the resin particles in a solution containing 20 mass % of the resin particles and 80 mass % of water, and ϕ2 represents the volume average particle size of the resin particles in a solution containing 90 mass % of the resin particles and 10 mass % of water).

公开(公告)号：US20180244943A1

公开(公告)日：2018-08-30

申请号：US15964829

申请日：2018-04-27

Applicant: Seiko Epson Corporation

Inventor： Ippei OKUDA ,  Tetsuya AOYAMA

IPC: C09D11/40 ,  C09D11/54 ,  C09D11/322

CPC classification number: C09D11/40 ,  C09D11/322 ,  C09D11/54

Abstract: An ink set includes a reaction liquid containing coagulant; a first ink containing a color material; and a second ink containing a color material. The ink set is used for recording on a non-absorptive recording medium or a low-absorptive recording medium and for imparting the reaction liquid, the first ink, and the second ink to the recording medium in a superimposed manner in this order.

公开(公告)号：US20150174939A1

公开(公告)日：2015-06-25

申请号：US14579082

申请日：2014-12-22

Applicant: Seiko Epson Corporation

Inventor： Tetsuya AOYAMA ,  Akiko KAWASE ,  Ippei OKUDA ,  Takeshi YANO

IPC: B41M7/00

CPC classification number: B41M7/0018 ,  B41M5/0011 ,  B41M5/0017 ,  C09D11/322 ,  C09D11/40 ,  C09D11/54

Abstract: There is provided an image recording method including modifying a surface to set a wetting tension index of a recording surface to 40 mN/m or more by carrying out a surface modification of the recording surface of an ink low-absorbing or non-absorbing recording medium, adhering a reaction liquid containing a flocculant to the recording surface after the modifying of the surface, and recording an image on the recording surface using an ink composition for ink jet recording containing a color material and water after the adhering of the reaction liquid.

Abstract translation: 提供了一种图像记录方法，包括通过执行油墨低吸收或非吸收记录介质的记录表面的表面改性来修饰表面以将记录表面的润湿张力指数设定为40mN / m以上 在修饰表面之后，将含有絮凝剂的反应液粘附到记录表面，并且在粘附反应液后，使用包含着色材料和水的喷墨记录用油墨组合物在记录表面上记录图像。

公开(公告)号：US20240181672A1

公开(公告)日：2024-06-06

申请号：US18527437

申请日：2023-12-04

Applicant: SEIKO EPSON CORPORATION

Inventor： Tetsuya AOYAMA ,  Tomoyuki USHIYAMA ,  Xianmei LIU ,  Hiroaki KUMETA

IPC: B27N3/04 ,  B27N3/00 ,  B27N3/02 ,  B27N3/18 ,  D04H1/732

CPC classification number: B27N3/04 ,  B27N3/002 ,  B27N3/02 ,  B27N3/18 ,  D04H1/732

Abstract: A method for manufacturing a colored fiber body of the present disclosure includes a deposition step of depositing a mixture containing cellulose fibers and a composite body by an airflow, a humidifying step of humidifying the mixture; and a molding step of heating and pressurizing the humidified mixture to form a fiber body, and the composite body includes composite particles integrally containing a biological-derived colorant and a binding material to have a binding force to bind the cellulose fibers to each other by moisture application.

公开(公告)号：US20220275234A1

公开(公告)日：2022-09-01

申请号：US17680532

申请日：2022-02-25

Applicant: Seiko Epson Corporation

Inventor： Manabu TANIGUCHI ,  Tomohito NAKANO ,  Tomoki MARUYAMA ,  Kiyomi KUMAMOTO ,  Jun ITO ,  Tetsuya AOYAMA ,  Satoshi TSUBAMOTO ,  Masahiro YATAKE ,  Yukiko Il

IPC: C09D11/38 ,  C09D11/322 ,  C09D11/033 ,  C09D11/037 ,  C09D11/102 ,  C09D11/107 ,  C09D11/023

Abstract: An aqueous ink-jet ink composition according to the present disclosure contains pigment, water, resin particles, 1-(2-hydroxyethyl)-2-pyrrolidone, and trimethylglycine. The mass-based content of the resin particles is lower than the mass-based content of the pigment.

公开(公告)号：US20200173102A1

公开(公告)日：2020-06-04

申请号：US16700071

申请日：2019-12-02

Applicant: SEIKO EPSON CORPORATION

Inventor： Tetsuya AOYAMA ,  Shinichi KATO ,  Shigemi WAKABAYASHI ,  Yoshihiro UENO ,  Shunichi SEKI ,  Takumi SAGO ,  Hiroki KURATA

IPC: D21B1/32

Abstract: A method for defibrating a fiber body includes: a supply step of supplying a liquid to a fiber body containing fibers; and a defibrating step of defibrating the fiber body to which the liquid is supplied, and in the supply step, the liquid is supplied to the fiber body so that a rate in tensile strength of the fiber body immediately before defibrated in the defibrating step to the fiber body before the liquid is supplied thereto is 60.0% or less.

公开(公告)号：US20200032090A1

公开(公告)日：2020-01-30

申请号：US16498239

申请日：2018-03-20

Applicant: SEIKO EPSON CORPORATION

Inventor： Hiroaki KUMETA ,  Ryosuke TERAMOTO ,  Tetsuya AOYAMA

IPC: C09D11/38 ,  C09D11/326 ,  B41M5/52 ,  B41J2/21

Abstract: A recording method is provided that includes a step of making a record on a recording medium using an ink composition containing a colorant, an organic compound, and water to obtain a recording article. The amount (W1) of moisture in the recording article after one second from recording and the amount (W5) of moisture in the recording article after five seconds from recording satisfy the following relational formulas: W1≤2.0 [mg/inch2]  (1) 5.0[%]≤(W1−W5)×100/W1≤30[%]  (2).

公开(公告)号：US20190023927A1

公开(公告)日：2019-01-24

申请号：US16037147

申请日：2018-07-17

Applicant: Seiko Epson Corporation

Inventor： Shintaro HAMA ,  Ryosuke TERAMOTO ,  Kiyomi KUMAMOTO ,  Tetsuya AOYAMA ,  Tomohiro ARUGA ,  Kazuma TSUTSUMI

IPC: C09D11/40 ,  C09D11/328 ,  C09D11/033 ,  B41J2/01 ,  B41M5/00

CPC classification number: C09D11/40 ,  B41J2/01 ,  B41M5/0023 ,  C09D11/033 ,  C09D11/328 ,  C09D11/38

Abstract: An ink composition contains dyes A and B. Dye A has a width at a half height of the largest peak in the absorption spectrum between 380 nm and 780 nm that is 50 nm or less. Dye B has a corresponding width at the half height that is 70 nm or more. Dye A is present in an amount of 40% by mass or more and 90% by mass or less of the total mass of the dyes.

公开(公告)号：US20180086929A1

公开(公告)日：2018-03-29

申请号：US15715756

申请日：2017-09-26

Applicant: Seiko Epson Corporation

Inventor： Hiroko HAYASHI ,  Tetsuya AOYAMA ,  Makoto NAGASE

IPC: C09D11/322 ,  C09B62/04 ,  C07C229/24 ,  C09D11/06

Abstract: An ink jet textile printing ink composition includes water; a color material; and a metal chelating agent. In the ink composition described above, the metal chelating agent includes at least one selected from methyl glycine diacetic acid, L-glutamate diacetic acid, L-aspartic diacetic acid, hydroxyethylimino diacetic acid, 3-hydroxy-2,2′-iminodisuccucinic acid, dicarboxymethyl glutamic acid, (S,S)-ethylenediaminedisuccinic acid, and salts thereof, and the pH of the ink composition is 6 to 10.

公开(公告)号：US20160303881A1

公开(公告)日：2016-10-20

申请号：US15193739

申请日：2016-06-27

Applicant: Seiko Epson Corporation

Inventor： Tetsuya AOYAMA ,  Akiko KAWASE

IPC: B41M5/00 ,  B41J11/00 ,  B41J2/01

CPC classification number: B41M5/0017 ,  B41J2/01 ,  B41J2/2114 ,  B41J11/0015 ,  B41M5/0011

Abstract: A recording method includes first coating a treatment liquid A to a recording medium, a second coating a treatment liquid B to the recording medium after the first coating, and a discharging an ink composition including a coloring material to the recording medium by discharging from a nozzle after the second coating, and the treatment liquid A adjusts wettability of the treatment liquid B to the recording medium and includes at least any one of a resin and inorganic oxide fine particles, and the treatment liquid B thickens or insolubilizes the ink composition and includes at least any one of a polyvalent metal salt, an organic acid, and an organic acid salt.