公开(公告)号：US20200017698A1

公开(公告)日：2020-01-16

申请号：US16334897

申请日：2017-01-31

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

Inventor： Zhang-Lin ZHOU ,  Rodney David STRAMEL ,  Gregg A. LANE

IPC: C09D11/101 ,  C08G18/67 ,  C08G18/75 ,  C08G18/73 ,  C08G18/72 ,  C08G18/08

Abstract: The present disclosure is drawn to a reactive polyurethane dispersion including a polymer strand having a polymer backbone that has two ends terminating at a first capping unit and a second capping unit. The polymer backbone can include polymerized monomers including a reactive diol and a blend of two or more diisocyanates. The reactive diol can be an acrylate-containing diol, a methacrylate-containing diol, or combination thereof. The first capping unit can be an acrylate-containing monoalcohol or methacrylate-containing monoalcohol reacted with an isocyanate group of the diisocyanates. The second capping unit can be an ionic stabilizing group. The polymer backbone can be devoid of ionic stabilizing groups.

公开(公告)号：US20190352519A1

公开(公告)日：2019-11-21

申请号：US16331270

申请日：2017-01-31

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

Inventor： Zhang-Lin ZHOU ,  Rodney David STRAMEL ,  Gregg A. LANE

IPC: C09D11/101 ,  C09D11/322 ,  B41J11/00 ,  B41M5/00

Abstract: The present disclosure relates to an inkjet composition comprising a curable polyurethane dispersion and an aqueous carrier. The curable polyurethane dispersion comprises at least one of a) a polyurethane polymer comprising a first terminal group selected from a styrene-containing group, an allyl-containing group and an acrylamide-containing group, and a polyurethane polymer comprising a second terminal group comprising an ionic group; and/or a polyurethane polymer comprising a first terminal group at one end and a second terminal group at the opposite end, wherein the first terminal group is selected from a styrene-containing group, an allyl-containing group and an acrylamide-containing group, and the second terminal group comprises an ionic group; b) a polyurethane polymer comprising a terminal group selected from at least one of stabilising groups (A) and (B); and c) a polyurethane polymer comprising a polyurethane chain formed by the polymerisation of (i) a blend of at least two different diisocyanates and (ii) a reactive diol.

公开(公告)号：US20190276690A1

公开(公告)日：2019-09-12

申请号：US16331189

申请日：2017-01-31

Applicant: Hewlett-Packard Development Company, L.P

Inventor： Zhang-Lin Zhou ,  Rodney David STRAMEL ,  Tao CHEN ,  Bor-Jiunn NIU ,  Gregg A. LANE

IPC: C09D11/101 ,  C09D11/38 ,  C09D11/54 ,  D06P5/30 ,  B41M5/00

Abstract: The present disclosure relates to an inkjet printing process that comprises applying a radiation-curable primer composition onto a substrate to form a primer layer. The primer composition comprises a curable polyurethane dispersion, a photoinitiator and water. An inkjet ink composition is inkjet printed onto the primer layer as a printed inkjet ink layer. The inkjet ink composition comprises a colorant, a curable polyurethane dispersion, a photoinitiator and water. The curable polyurethane is dispersed in the inkjet ink composition in an amount of composition is 0.1 to 30 weight % of the inkjet ink composition. The printed inkjet ink layer is cured on the substrate by exposing both the primer layer and printed inkjet ink layer on the substrate to radiation.

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.

公开(公告)号：US20200148902A1

公开(公告)日：2020-05-14

申请号：US16617325

申请日：2017-10-17

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

Inventor： George SARKISIAN ,  Zhang-Lin ZHOU ,  Rodney David STRAMEL

IPC: C09D11/101 ,  C09D11/54 ,  C09D11/322 ,  C09D11/102 ,  C08G18/67 ,  C08G18/08 ,  C08G18/24 ,  C08G18/28 ,  C08G18/72 ,  C08G18/73 ,  C08G18/75 ,  C08G18/76 ,  C08G18/81 ,  B41M5/00

Abstract: The present disclosure is drawn to UV-curable inkjet inks, fluid sets, and printing systems. An example UV-curable inkjet ink can include water, a photo-initiator, from 8 wt % to 25 wt % organic co-solvent, and from 2 wt % to 20 wt % of a polyurethane. The polyurethane can include a polymer strand including a polymer backbone having two ends terminating at first and second capping units. The polymer backbone can be formed of polymerized monomers including a diisocyanate and a reactive diol selected from an acrylate-containing diol or a methacrylate-containing diol. The first capping unit can include an acrylate-containing monoalcohol, a methacrylate-containing monoalcohol, an allyl-containing monoalcohol, an allyl-containing monoamine, a styrene-containing monoalcohol, an acrylamide-containing monoalcohol, or a methacrylamide-containing monoalcohol reacted with an isocyanate group of the diisocyanate. The second capping unit can include 3-(cyclohexylamino)-1-propanesulfonic acid or 2-(cyclohexylamino)ethanesulfonic acid reacted with an isocyanate group of the diisocyanate.

公开(公告)号：US20190276695A1

公开(公告)日：2019-09-12

申请号：US16331209

申请日：2017-01-31

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

Inventor： Zhang-Lin ZHOU ,  Rodney David STRAMEL ,  Bor-Jiunn NIU

IPC: C09D11/38 ,  C09D11/40 ,  C09D11/54 ,  C09D175/04 ,  B41M7/00

Abstract: The present disclosure relates to an Inkjet printing process that comprises inkjet printing an inkjet ink composition onto a substrate to form a printed inkjet ink layer. The inkjet ink composition comprises a colorant, a curable polyurethane dispersion, a photoinitiator and water, wherein the amount of curable polyurethane dispersed in the inkjet ink composition is 0.1 to 30 weight %. A radiation-curable overcoat composition is applied over the printed inkjet ink layer as an overcoat layer. The overcoat composition comprises a curable polyurethane dispersion, a photoinitiator and water. The printed inkjet ink layer is then cured on the substrate by exposing both the overcoat layer and inkjet ink layer on the substrate to radiation.

公开(公告)号：US20210309874A1

公开(公告)日：2021-10-07

申请号：US17267607

申请日：2018-12-14

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

Inventor： Zhang-Lin ZHOU ,  Rodney David STRAMEL ,  George SARKIAN

IPC: C09D11/102 ,  C09D11/54 ,  C09D11/322 ,  C09D11/101 ,  C09D11/033 ,  C09D11/037 ,  D06P5/30 ,  D06P5/00 ,  D06P1/52

Abstract: A textile printing system include an ink composition and a fabric substrate. The ink composition includes from 50 wt % to 95 wt % water, from 4 wt % to 49 wt % organic co-solvent, from 0.5 wt % to 12 wt % pigment with a dispersant associated with a surface thereof, and from 0.5 wt % to 20 wt % of a polyurethane particles. The polyurethane particles include a polyurethane strand with a polyurethane backbone with a pendant reactive (meth)acrylate-containing diol group and terminal end cap groups. The terminal end cap groups independently are selected from a monoalcohol, a monoamine, an acrylate, a methacrylate, or a combination thereof.

公开(公告)号：US20200017681A1

公开(公告)日：2020-01-16

申请号：US16335541

申请日：2017-01-31

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

Inventor： Zhang-Lin ZHOU ,  Rodney David STRAMEL ,  Gregg A. LANE

IPC: C08L75/16 ,  C09D11/101 ,  C09D11/322 ,  C09D175/16 ,  C08G18/81 ,  C08G18/75

Abstract: The present disclosure is drawn to reactive polyurethane dispersions. In one example, a reactive polyurethane dispersion can include a polymer strand having a polymer backbone that has two ends terminating at a first capping unit and a second capping unit. The polymer backbone can include polymerized monomers including a reactive diol and a diisocyanate. The reactive diol can be an acrylate-containing diol, a methacrylate-containing diol, an acrylamide-containing diol, a methacrylamide-containing diol, or combination thereof. The first capping unit can be an acrylamide-containing monoalcohol or methacrylamide-containing monoalcohol reacted with an isocyanate group of the diisocyanate. The second capping unit can be an ionic stabilizing group.

公开(公告)号：US20190284326A1

公开(公告)日：2019-09-19

申请号：US16335372

申请日：2017-01-31

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

Inventor： Zhang-Lin ZHOU ,  Rodney David STRAMEL ,  Gregg A. LANE

IPC: C08G18/08 ,  C08G18/67 ,  C08G18/32 ,  C08G18/75 ,  C09D11/101 ,  C08G18/24 ,  C09D11/322

Abstract: The present disclosure is drawn to a reactive polyurethane dispersion including a polymer strand having a polymer backbone that has two ends terminating at a first capping unit and a second capping unit. The polymer backbone can include polymerized monomers including a reactive diol and a diisocyanate. The reactive diol can be an acrylate-containing diol, a methacrylate-containing diol, or combination thereof. The first capping unit can be an acrylate-containing monoalcohol or a methacrylate-containing monoalcohol reacted with an isocyanate group of the diisocyanate. The second capping unit can be 3-(cyclohexylamino)-1-propanesulfonic acid or 2-(cyclohexylamino)ethanesulfonic acid reacted with an isocyanate group of the diisocyanate.

公开(公告)号：US20190276584A1

公开(公告)日：2019-09-12

申请号：US16335407

申请日：2017-01-31

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

Inventor： Zhang-Lin ZHOU ,  Rodney David STRAMEL ,  Gregg A. LANE

IPC: C08G18/67 ,  C08G18/75 ,  C08G18/08 ,  C09D11/322 ,  C09D11/38

Abstract: The present disclosure is drawn to a reactive polyurethane dispersion including a polymer strand having a polymer backbone that has two ends terminating at a first capping unit and a second capping unit. The polymer backbone can include polymerized monomers including a reactive diol and a diisocyanate. The reactive diol can be an acrylate-containing diol, a methacrylate-containing diol, an allyl-containing diol, or combination thereof. The first capping unit can be an allyl-containing monoalcohol reacted with an isocyanate group of the diisocyanate. The second capping unit can be an ionic stabilizing group.