公开(公告)号：US20240401267A1

公开(公告)日：2024-12-05

申请号：US18680076

申请日：2024-05-31

Applicant: SEIKO EPSON CORPORATION

Inventor： Tasuku NAKAMURA ,  Ryota MIYASA ,  Daisuke SAKUMA ,  Akiko YAMADA ,  Kosuke CHIDATE

IPC: D06P1/52 ,  D06P1/673 ,  D06P5/30

Abstract: A set according to an embodiment of the present disclosure includes a treatment solution composition that contains particles containing organopolysiloxane and water, and an ink jet ink composition that contains a pigment and water, in which in a ratio of a static surface tension of the ink jet ink composition to a static surface tension of the treatment solution composition, the static surface tension of the treatment solution composition is from 1.0 to 1.5 when the static surface tension of the ink jet ink composition is set to 1, the static surface tension of the treatment solution composition is from 25 to 40 mN/m, and the treatment solution composition and the ink jet ink composition are discharged by an ink jet method and used.

公开(公告)号：US20220064465A1

公开(公告)日：2022-03-03

申请号：US17460939

申请日：2021-08-30

Applicant: Seiko Epson Corporation

Inventor： Kazuto AOKI ,  Ryota MIYASA ,  Hideki OKADA ,  Masakazu OHASHI

IPC: C09D11/322 ,  C09D11/40 ,  D06P5/30

Abstract: An ink jet ink composition set includes a white ink jet ink composition and a nonwhite ink jet ink composition. The white ink jet ink composition contains a white pigment, resin particles, and water, and the nonwhite ink jet ink composition contains a nonwhite pigment, resin particles, and water. The white pigment has cation responsiveness, and the absolute value of zeta potential of the white pigment is lower than the absolute value of zeta potential of the nonwhite pigment.

公开(公告)号：US20210283908A1

公开(公告)日：2021-09-16

申请号：US17195742

申请日：2021-03-09

Applicant: Seiko Epson Corporation

Inventor： Satoshi TSUBAMOTO ,  Kosuke CHIDATE ,  Minoru YAMADA ,  Ryota MIYASA ,  Tasuku NAKAMURA

IPC: B41J2/045 ,  B41J11/00 ,  B41J11/04

Abstract: An ink jet printing recording apparatus includes a belt which supports a recording medium; a heating portion which heats the belt; and an ink jet recording head which ejects an ink jet ink composition, the belt is provided with an adhesive layer, the ink jet ink composition contains a heat cross-linking component, and the belt is heated by the heating portion to a temperature lower than a reaction temperature of the heat cross-linking component.

公开(公告)号：US20240400849A1

公开(公告)日：2024-12-05

申请号：US18678340

申请日：2024-05-30

Applicant: SEIKO EPSON CORPORATION

Inventor： Akiko YAMADA ,  Ryota MIYASA ,  Tasuku NAKAMURA

IPC: C09D11/40 ,  C09D11/033 ,  C09D11/102 ,  C09D11/322 ,  C09D11/38 ,  D06P1/52 ,  D06P5/30

Abstract: A set according to an embodiment of the present disclosure includes a treatment solution composition that contains particles containing organopolysiloxane, and water, an ink jet ink composition that contains a pigment and water, and a reaction solution that contains an aggregating agent causing aggregation of a component of the ink jet ink composition, and water. A relation between a static surface tension (mN/m) of the reaction solution, a static surface tension (mN/m) of the ink jet ink composition, and a static surface tension (mN/m) of the treatment solution composition satisfies (the static surface tension of the reaction solution)

公开(公告)号：US20220315781A1

公开(公告)日：2022-10-06

申请号：US17705761

申请日：2022-03-28

Applicant: Seiko Epson Corporation

Inventor： Kazuto AOKI ,  Ryota MIYASA

IPC: C09D11/107 ,  C09D11/36 ,  C09D11/033 ,  C09D11/102 ,  C09D11/32 ,  B41M5/00 ,  B41J2/21

Abstract: A white ink jet ink composition including hollow resin particles, resin particles, and water, in which a glass transition temperature of the hollow resin particles is 120° C. or higher, and a glass transition temperature of the resin particles is 5° C. or lower.

公开(公告)号：US20200040523A1

公开(公告)日：2020-02-06

申请号：US16526190

申请日：2019-07-30

Applicant: Seiko Epson Corporation

Inventor： Ryota MIYASA ,  Masakazu OHASHI

IPC: D06P1/52 ,  D06P1/50 ,  D06P1/673 ,  D06P5/30

Abstract: A treatment liquid composition is a treatment liquid composition which is used to be adhered to a cloth and which includes a cationic compound, a water-soluble resin, and water; a molecular weight distribution of a water-soluble component contained in the treatment liquid composition has a maximum peak in a molecular weight range of 28,000 to 2,800,000; and a content of a water-soluble resin having a molecular weight of 28,000 to 2,800,000 is 0.6 to 5.0 percent by mass with respect to a total mass of the treatment liquid composition.

公开(公告)号：US20240140104A1

公开(公告)日：2024-05-02

申请号：US18495035

申请日：2023-10-26

Applicant: SEIKO EPSON CORPORATION

Inventor： Ryota MIYASA ,  Takayoshi KAGATA ,  Toshiaki OGUCHI ,  Hiromu MIYAZAWA

IPC: B41J2/21 ,  B41J3/407 ,  B41J11/00 ,  C09D11/328 ,  C09D11/54

CPC classification number: B41J2/2107 ,  B41J3/4078 ,  B41J11/0015 ,  C09D11/328 ,  C09D11/54 ,  B41J2202/03

Abstract: An ink jet printing method includes an ejection step of ejecting an ink jet ink composition containing a sublimation dye from a recording head so as to be adhered to an intermediate transfer medium A; and a transfer step of transferring the sublimation dye adhered to the intermediate transfer medium A by sublimation to a cloth B. In the ink jet printing method described above, an affinity parameter Ln (gamma) at 25° C. calculated by a COSMO-RS method between the sublimation dye and a member of a surface of the cloth B to which the sublimation transfer is performed is 5 or less.

公开(公告)号：US20230257589A1

公开(公告)日：2023-08-17

申请号：US18169503

申请日：2023-02-15

Applicant: SEIKO EPSON CORPORATION

Inventor： Takayoshi KAGATA ,  Ryota MIYASA ,  Toshiaki OGUCHI

IPC: C09B69/06 ,  B41J2/145 ,  C09B67/44 ,  D06P5/30

CPC classification number: C09B69/06 ,  B41J2/145 ,  C09B67/0083 ,  D06P5/30 ,  B41J2002/012

Abstract: A dye printing treatment liquid composition is used to be adhered to a cloth and includes a polyester resin and water, the polyester resin includes a structural unit derived from an aromatic compound and a structural unit derived from a non-aromatic compound, the aromatic compound includes a phthalic acid, the non-aromatic compound includes a (poly)alkylene glycol, a content of a structural unit derived from the phthalic acid with respect to 100 percent by mole of the polyester resin is 15 to 85 percent by mole, and a content of a structural unit derived from the (poly)alkylene glycol with respect to 100 percent by mole of the polyester resin is 15 to 85 percent by mole.

公开(公告)号：US20220325119A1

公开(公告)日：2022-10-13

申请号：US17706729

申请日：2022-03-29

Applicant: Seiko Epson Corporation

Inventor： Ryota MIYASA ,  Kazuto AOKI

IPC: C09D11/322 ,  C09D11/033 ,  C09D11/037 ,  C09D11/107 ,  C09D11/102 ,  D06P5/30 ,  D06P5/00 ,  D06P1/52 ,  B41M5/00 ,  B41J2/21

Abstract: A white ink jet ink composition according to the present disclosure includes hollow resin particles, resin particles, and water. The hollow resin particles have a glass transition temperature of 120° C. or more, the resin particles are composed of an acrylic resin or a urethane resin, and the content of the resin particles is 5% by mass or more relative to the total mass of the ink composition.

公开(公告)号：US20170282557A1

公开(公告)日：2017-10-05

申请号：US15465028

申请日：2017-03-21

Applicant: Seiko Epson Corporation

Inventor： Masayuki MURAI ,  Masakazu OHASHI ,  Ryota MIYASA ,  Kosuke CHIDATE ,  Takako SUGIYAMA

IPC: B41J2/14

CPC classification number: C09D11/38 ,  C09D11/322

Abstract: An image forming method includes discharging an ink jet ink composition which contains a diketopyrrolopyrrole pigment and a solvent having a SP value of equal to or lower than 13 by using an apparatus including a piezo ink jet head satisfying the following Expression (1). 0.13≦{(discharge amount per droplet ejection)/(volume of ink pressure chamber)}×100  (1)