公开(公告)号：US11254832B2

公开(公告)日：2022-02-22

申请号：US16765574

申请日：2018-01-17

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Dennis Z. Guo ,  Jie Zheng

IPC: C09D11/54 ,  B41M5/00 ,  C09D11/033 ,  C09D11/037 ,  C09D11/107 ,  C09D11/322 ,  C09D11/38 ,  C09D11/40 ,  D06P3/24 ,  D06P5/30 ,  B41J2/21

Abstract: A fluid set can include an ink composition having an acidic pH and a crosslinker composition having a basic pH from pH 8 to pH 10. The ink composition can include from 60 wt % to 90 wt % water, from 5 wt % to 30 wt % organic co-solvent, from 1 wt % to 6 wt % pigment, a sulfonated dispersant, and an acrylic polymer binder. The crosslinker composition can include from 70 wt % to 95 wt % water, from 1 wt % to 25 wt % organic co-solvent, and from 0.5 wt % to 5 wt % polycarbodiimide.

公开(公告)号：US11155726B2

公开(公告)日：2021-10-26

申请号：US16462416

申请日：2017-03-27

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Benjamin Abelovski ,  Ryan Vu ,  Jie Zheng ,  Dennis Guo ,  George Sarkisian ,  Tienteh Chen

IPC: C09D11/322 ,  C08G18/08 ,  C08G18/32 ,  C08G18/34 ,  C08G18/42 ,  C08G18/75 ,  C08G71/04 ,  C08L75/04 ,  C09D11/36 ,  C09D11/40

Abstract: Inkjet inks are described herein. In an example, an inkjet ink can comprise: at least one colorant; at least one solvent comprising glycerol in an amount of from about 1 wt % to about 20 wt % based on the total weight of the inkjet ink; water; and at least one binder, wherein the binder comprises a polyurethane-based binder dispersion.

公开(公告)号：US11760892B2

公开(公告)日：2023-09-19

申请号：US16765599

申请日：2018-01-19

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Dennis Z. Guo ,  Jie Zheng ,  Tienteh Chen ,  David Michael Ingle ,  Rodney David Stramel ,  June Yang ,  Marcos A. Barreto Caban

IPC: C09D11/322 ,  C09B47/04 ,  C09D11/033 ,  C09D11/037 ,  C09D11/107 ,  C09D17/00

CPC classification number: C09D11/322 ,  C09B47/04 ,  C09D11/033 ,  C09D11/037 ,  C09D11/107 ,  C09D17/001 ,  C09D17/003

Abstract: The present disclosure is drawn to aqueous pigment dispersions. In one example, an aqueous pigment dispersion can include from 40 wt % to 90 wt % water, from 2 wt % to 30 wt % organic co-solvent, from 7.5 wt % to 30 wt % copper phthalocyanine pigment, from 0.5 wt % to 5 wt % styrene-acrylic dispersant, and from 0.5 wt % to 5 wt % hydrophilic polyurethane dispersant having a weight average molecular weight from 10,000 Mw to 30,000 Mw. The styrene-acrylic dispersant and the hydrophilic polyurethane dispersant can be present at a weight ratio from 1:10 to 2:1.

公开(公告)号：US20230265303A1

公开(公告)日：2023-08-24

申请号：US18015287

申请日：2020-07-17

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Dennis Z. Guo ,  Jie Zheng ,  Barbara Casanas Montes ,  Marcos A. Barreto Caban

IPC: C09D11/322 ,  D06P5/30

CPC classification number: C09D11/322 ,  D06P5/30 ,  C09D11/54

Abstract: An example of a white inkjet ink includes: a non-self-dispersed white pigment; from about 0.005 wt % to about 1 wt %, based on a total weight of the white inkjet ink, of an anionic copolymer dispersant having a weight average molecular weight (Mw) ranging from about 125,000 g/mol to about 30,000,000 g/mol; a polymeric binder; and an aqueous vehicle. The white inkjet ink may be used in a textile printing kit.

公开(公告)号：US20230143973A1

公开(公告)日：2023-05-11

申请号：US17915930

申请日：2020-06-19

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Dennis Z. Guo ,  Jie Zheng

IPC: C09D11/322 ,  C09D11/54 ,  C09D11/033 ,  C09D11/037 ,  C09D11/102 ,  D06P5/30 ,  D06P5/00 ,  D06P5/20 ,  D06P1/52 ,  D06P1/673 ,  B41J3/407

CPC classification number: C09D11/322 ,  C09D11/54 ,  C09D11/033 ,  C09D11/037 ,  C09D11/102 ,  D06P5/30 ,  D06P5/002 ,  D06P5/2077 ,  D06P1/5285 ,  D06P1/673 ,  B41J3/4078

Abstract: An inkjet ink composition for textile printing comprising a white pigment, a pigment dispersant, a polyurethane-based binder, a nano-sized layered silicate and an aqueous liquid vehicle. Also described herein is a fluid set comprising said ink and a fixer composition including a cationic polymer and a fixer vehicle; as well as the textile printing method using it.

公开(公告)号：US20230137276A1

公开(公告)日：2023-05-04

申请号：US17915890

申请日：2020-06-05

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Dennis Z. Guo ,  Jie Zheng

IPC: D06P1/44 ,  D06P1/52 ,  C09D11/322 ,  C09D11/102 ,  C09D11/54 ,  C09D183/08 ,  D06P5/00

Abstract: The present disclosure describes fluid sets for printing, methods of textile printing, and textile printing systems. In one example, a fluid set for printing can include a pretreat composition, a fixer composition, and a white ink composition. The pretreat composition can include water and an emulsion of a silicone polymer having amino groups. The fixer composition can include a liquid vehicle and a cationic polymer. The white ink composition can include a liquid vehicle, a white pigment dispersion, and a polymeric binder.

公开(公告)号：US20220186060A1

公开(公告)日：2022-06-16

申请号：US17433180

申请日：2019-07-12

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Dennis Z. Guo ,  Jie Zheng

IPC: C09D11/40 ,  C09D11/54 ,  C09D11/322 ,  C09D11/023 ,  C09D11/12 ,  C09D11/107 ,  D06P5/30 ,  D06P5/00 ,  D06P1/44 ,  D06P1/52 ,  B41M5/00 ,  B41M7/00

Abstract: A fluid set includes a pre-treatment composition, a fixer composition, and an inkjet ink. The pre-treatment composition includes a wax emulsion or a fluorinated polymer emulsion. The fixer composition includes a cationic polymer and a fixer vehicle. The inkjet ink includes a white pigment, a polymeric binder, and an ink vehicle.

公开(公告)号：US20210246327A1

公开(公告)日：2021-08-12

申请号：US17049010

申请日：2018-08-30

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Jie Zheng ,  Dennis Z. Guo

IPC: C09D11/54 ,  C09D11/322 ,  D06P5/30 ,  D06P1/52 ,  D06P1/673 ,  D06P5/20 ,  C09D11/102 ,  D06P1/44

Abstract: A fluid set includes a pre-treatment composition and an ink composition. The pre-treatment composition includes a multivalent metal salt, a cationic polymer, and an aqueous vehicle. The ink composition includes a pigment, a polyurethane-based binder, and an aqueous ink vehicle.

公开(公告)号：US20210095147A1

公开(公告)日：2021-04-01

申请号：US17050767

申请日：2018-06-11

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Jie Zheng ,  Dennis Z. Guo

IPC: C09D11/322 ,  C09D17/00 ,  C09D11/037 ,  C09D11/023 ,  B41J2/21 ,  B41M5/00

Abstract: A cyan pigment dispersion includes a non-self-dispersed cyan pigment, a first dispersant, a second dispersant, and a balance of water. The first dispersant is a styrene-acrylic copolymer having an acid number ranging from about 120 mg KOH/g to about 220 mg KOH/g. The second dispersant has an acid number less than 100 mg KOH/g.

公开(公告)号：US12163035B2

公开(公告)日：2024-12-10

申请号：US18015287

申请日：2020-07-17

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Dennis Z. Guo ,  Jie Zheng ,  Barbara Casanas Montes ,  Marcos A. Barreto Caban

IPC: C09D11/322 ,  D06P5/30 ,  C09D11/54

Abstract: An example of a white inkjet ink includes: a non-self-dispersed white pigment; from about 0.005 wt % to about 1 wt %, based on a total weight of the white inkjet ink, of an anionic copolymer dispersant having a weight average molecular weight (Mw) ranging from about 125,000 g/mol to about 30,000,000 g/mol; a polymeric binder; and an aqueous vehicle. The white inkjet ink may be used in a textile printing kit.