公开(公告)号：US20200148806A1

公开(公告)日：2020-05-14

申请号：US16620098

申请日：2017-10-19

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

Inventor： Zhang-Lin Zhou ,  Shao-Wei Li ,  Gregg A. LANE

IPC: C08G18/10 ,  C08G18/72 ,  C08G18/75 ,  C08G18/73 ,  C08G18/08 ,  C08G18/62 ,  C09D11/322

Abstract: The present disclosure is drawn to polyurethane dispersions. In one example, a polyurethane dispersion can include a polyurethane with a polymeric ionic side chain and a polymeric non-ionic side chain. The polyurethane can be formed of polymerized monomers including a diisocyanate, a first polymeric diol, and a second polymeric diol. The first polymeric diol can include a first polymer chain replacing a hydrogen atom of a thiol group of a 1-thioglycerol molecule. The first polymer chain can include a block of a polymerized ionic group-containing vinyl monomer. The second polymeric diol can include a second polymer chain replacing a hydrogen atom of a thiol group of a 1-thioglycerol molecule. The second polymer chain can include a block of a polymerized non-ionic vinyl monomer, and the second polymer chain can be devoid of ionic groups.

公开(公告)号：US20190193448A1

公开(公告)日：2019-06-27

申请号：US16331359

申请日：2017-09-18

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

Inventor： Zhang-Lin ZHOU ,  Gregg A. LANE ,  Qianhan YANG

IPC: B41M7/00 ,  C09D11/322

CPC classification number: B41M7/0045 ,  B41M7/0081 ,  C09D11/101 ,  C09D11/30 ,  C09D11/322 ,  C09D11/40 ,  C09D11/54

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：US20190211217A1

公开(公告)日：2019-07-11

申请号：US16334482

申请日：2017-01-31

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

Inventor： Zhang-Lin Zhou ,  Mazi BAR ,  Gregg A. LANE

IPC: C09D11/033 ,  C09D11/101

CPC classification number: C09D11/033 ,  C07C233/09 ,  C07C233/16 ,  C07C233/20 ,  C09D11/101 ,  C09D11/102 ,  C09D11/38

Abstract: The present disclosure is drawn to an acrylamide-containing photo active co-solvent, including a bis-tris propane co-solvent or a polypropylene oxide amine co-solvent modified with an acryloyl group to form the acrylamide-containing photo active co-solvent.

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：US20170226360A1

公开(公告)日：2017-08-10

申请号：US15518475

申请日：2014-10-31

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

Inventor： Tienteh CHEN ,  Bin HUANG ,  Gregg A. LANE

IPC: C09D11/322 ,  C09D11/101

CPC classification number: C09D11/322 ,  C09D11/101

Abstract: An example of a radiation curable binder dispersion for an inkjet ink includes water and a radiation curable polyurethane dispersed in the water. The radiation curable polyurethane has a weight average molecular weight that is equal to or less than 5,000, a glass transition temperature (Tg) less than 25° C., and a double bond density higher than 4.0. The radiation curable polyurethane binder dispersion is formed from a non-aromatic diisocyanate; a polyol; an acrylate or methacrylate, the acrylate or methacrylate having at least two hydroxyl functional groups and having an acrylate functional group or a methacrylate functional group; a compound including i) an ionic group or ii) a group to form an ionic group; and another acrylate or methacrylate, the other acrylate or methacrylate having a hydroxyl functional group or an amino functional group.

公开(公告)号：US20210309873A1

公开(公告)日：2021-10-07

申请号：US17267627

申请日：2018-12-14

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

Inventor： Zhang-Lin ZHOU ,  Gregg A. LANE

IPC: C09D11/101 ,  C09D11/322 ,  C09D11/38 ,  C09D11/033 ,  C09D11/037 ,  C09D11/102 ,  D06P5/30 ,  D06P5/20 ,  D06P1/52 ,  B41J3/407 ,  B41J11/00 ,  B41M5/00

Abstract: A textile printing system includes a fabric substrate, an inkjet printhead in fluid communication with a reservoir containing a UV-curable ink composition to eject a UV-curable ink composition, and a UV-curing energy source positioned to cure the UV-curable ink composition upon being ejected onto the fabric substrate. The UV-curable 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, wherein the pigment has 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 including a polyurethane backbone with a pendant reactive (meth)acrylate-containing diol group and terminal end cap groups, and the terminal end cap groups are independently selected from a monoalcohol, a monoamine, an acrylate, a methacrylate, or a combination thereof, for example.

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.