公开(公告)号：US12202992B2

公开(公告)日：2025-01-21

申请号：US17435713

申请日：2019-10-03

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

Inventor： Zhang-Lin Zhou ,  Jie Zheng ,  Dennis Z. Guo

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

Abstract: The present disclosure includes a white ink composition including a liquid vehicle with water and organic co-solvent, from 0.5 wt % to 15 wt % white metal oxide particles dispersed in the liquid vehicle, and from 0.1 wt % to 30 wt % of polyurethane particles dispersed in the liquid vehicle. The polyurethane particles include a polyurethane polymer with polymerized sulfonated-diamines, polymerized nonionic diamines, and isocyanate-generated self-crosslinked amines.

公开(公告)号：US20220145110A1

公开(公告)日：2022-05-12

申请号：US17417411

申请日：2019-07-29

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

Inventor： Dennis Z. Guo ,  Jie Zheng

IPC: C09D11/40 ,  C09D11/322 ,  C09D11/102 ,  C09D11/033 ,  C09D11/037 ,  C09D11/54 ,  D06P5/30 ,  D06P5/00 ,  D06P1/52 ,  B41M5/00

Abstract: A fluid set for textile printing can include an ink composition including an ink vehicle, pigment, and from 1 wt % to 15 wt % epoxide-reactive polymer. The fluid set can also include a fixer fluid including a fixer vehicle, and from 0.5 wt % to 12 wt % of a multiepoxide-containing resin.

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：US20210354203A1

公开(公告)日：2021-11-18

申请号：US17047503

申请日：2018-09-21

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

Inventor： Tienteh Chen ,  Dennis Z. Guo

IPC: B22F10/64 ,  B22F10/20 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y70/00

Abstract: Examples of a three-dimensional (3D) printing kit include a particulate build material and a binder fluid. The particulate build material includes from about 80 wt % to 100 wt % metal particles based on a total weight of the particulate build material. In some examples, the binder fluid includes water, polymer particles in an amount ranging from about 1 wt % to about 40 wt % based on a total weight of the binder fluid, and a blocked polyisocyanate adhesion promoter in an amount ranging from about 0.05 wt % to about 5 wt % based on the total weight of the binder fluid. In some other examples, the binder fluid includes water and the polymer particles, and the 3D printing kit further includes an adhesion promoter fluid which includes water and the blocked polyisocyanate adhesion promoter.

公开(公告)号：US20140300673A1

公开(公告)日：2014-10-09

申请号：US14349048

申请日：2011-10-25

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

Inventor： Keshava A. Prasad ,  Xiaohe Chen ,  Fereshteh Khorrami ,  Yi-Hua Tsao ,  Dennis Z. Guo

IPC: C09D11/00

CPC classification number: C09D11/38 ,  C09D11/54

Abstract: An ink composition is disclosed herein. The ink composition includes from about 5 wt % to about 25 wt % of a co-solvent; from about 0.025 wt % to about 0.2 wt % of i) a chelating agent represented by formula 1, wherein R′ is a carboxylic acid functional group or a carboxylate salt functional group and n>2; ii) a chelating agent represented by formula 2:, wherein R is a carboxylic acid functional group or a carboxylate salt functional group, m is greater than or equal to 1, x is greater than or equal to 2, y is greater than or equal to 1, and z is greater than or equal to 2; iii) a chelating agent represented by formula 3, wherein any of r, s, t, or u is a sulfonic acid functional group or a sulfonate functional group; or iv) combinations of any of i, ii, and iii. The ink composition also includes a balance of water.

Abstract translation: 本文公开了一种油墨组合物。 油墨组合物包含约5重量％至约25重量％的助溶剂; 约0.025重量％至约0.2重量％的i）由式1表示的螯合剂，其中R'是羧酸官能团或羧酸盐官能团，n> 2; ii）由式2表示的螯合剂：其中R是羧酸官能团或羧酸盐官能团，m大于或等于1，x大于或等于2，y大于或等于 至1，z大于或等于2; iii）由式3表示的螯合剂，其中r，s，t或u中的任一个是磺酸官能团或磺酸酯官能团; 或iv）i，ii和iii中任一者的组合。 油墨组合物还包括水的余量。

公开(公告)号：US11840635B2

公开(公告)日：2023-12-12

申请号：US17435720

申请日：2019-10-11

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

Inventor： Jie Zheng ,  Dennis Z. Guo

IPC: C09D11/54 ,  B41J3/407 ,  B41M7/00 ,  C09D11/033 ,  C09D11/102 ,  C09D11/107 ,  C09D11/38 ,  C09D11/40 ,  D06P1/52 ,  D06P5/00 ,  D06P5/20 ,  D06P5/30

CPC classification number: C09D11/54 ,  B41J3/4078 ,  B41M7/0018 ,  C09D11/033 ,  C09D11/102 ,  C09D11/107 ,  C09D11/38 ,  C09D11/40 ,  D06P1/525 ,  D06P1/5278 ,  D06P1/5285 ,  D06P5/002 ,  D06P5/2072 ,  D06P5/30

Abstract: A fixer fluid can include a fixer vehicle with water, an NH-type or N-alkylated lactam co-solvent, and a phosphate ester surfactant. The fixer fluid can further include from 0.5 wt % to 12 wt % an azetidinium-containing polyamine polymer dispersed in the fixer vehicle.

公开(公告)号：US20230064522A1

公开(公告)日：2023-03-02

申请号：US17916450

申请日：2020-06-15

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

Inventor： Dennis Z. Guo ,  Jie Zheng

IPC: C09D11/54 ,  C09D11/322 ,  C09D11/38 ,  C09D11/40 ,  D06P5/00 ,  D06P5/22 ,  D06P5/30

Abstract: The present disclosure describes fixer fluids, fluid sets for textile printing, and methods of textile printing. In one example, a fixer fluid can include a fixer vehicle and from 0.5 wt % to 12 wt % of an azetidinium-containing polyamine polymer dispersed in the fixer vehicle. The fixer vehicle can include water, a surfactant, and an acid having from 0 to 6 carbon atoms.

公开(公告)号：US11332633B2

公开(公告)日：2022-05-17

申请号：US16769967

申请日：2018-04-16

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

Inventor： Dennis Z. Guo ,  Jie Zheng

IPC: C09D11/54 ,  B41M5/00 ,  C09D11/033 ,  C09D11/104 ,  C09D11/107 ,  C09D11/38 ,  D06P1/52 ,  D06P1/54 ,  D06P1/642 ,  D06P5/30

Abstract: A method of textile printing can include ejecting an ink composition onto a fabric substrate and ejecting a blocked polyisocyanate crosslinker onto the fabric substrate. 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, and from 2 wt % to 10 wt % dispersed polymer binder. The method can also include crosslinking the dispersed polymer binder with a deblocked polyisocyanate crosslinker on the fabric substrate.

公开(公告)号：US20210070082A1

公开(公告)日：2021-03-11

申请号：US17049883

申请日：2018-06-28

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

Inventor： Dennis Z. Guo ,  Jie Zheng

IPC: B41M5/00 ,  C09D11/102 ,  C09D11/322 ,  C09D11/38 ,  C09D11/54 ,  D06P1/44 ,  D06P1/642 ,  D06P1/673 ,  D06P5/30

Abstract: An inkjet pre-treatment fluid for textile printing includes a fixing agent including a multivalent metal cation; and a blocked polyisocyanate selected from the group consisting of a non-ionic blocked polyisocyanate, a cationic blocked polyisocyanate, and an anionic blocked polyisocyanate having an acid number less than 5 mg KOH/g. The inkjet pre-treatment fluid further includes a liquid vehicle.

公开(公告)号：US20200277506A1

公开(公告)日：2020-09-03

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 ,  C09D17/00 ,  C09D11/033 ,  C09D11/037 ,  C09D11/107

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.