公开(公告)号：US20180178447A1

公开(公告)日：2018-06-28

申请号：US15735934

申请日：2015-07-24

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

Inventor： James Elmer Abbott, JR. ,  Raymond Adamic ,  David A. Champion

IPC: B29C64/165 ,  B33Y10/00 ,  B33Y70/00 ,  B28B1/00 ,  C09D11/52 ,  C09D11/101 ,  C09D11/037 ,  C09D11/322

CPC classification number: B29C64/165 ,  B22F3/008 ,  B22F2999/00 ,  B28B1/001 ,  B29K2101/12 ,  B29K2995/004 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y70/00 ,  C09D11/037 ,  C09D11/101 ,  C09D11/322 ,  C09D11/52 ,  G03G15/224 ,  G03G15/225 ,  B22F3/1003

Abstract: A stabilizing liquid functional material (SLFM) for 3D printing includes ceramic nanoparticles in an amount ranging from about 0.25% to about 5% by weight based on a total SLFM weight and silica nanoparticles present in an amount ranging from about 0.1% to about 10% by weight based on the total SLFM weight. The ceramic nanoparticles have a particle size ranging from about 5 nm to about 50 nm. The silica nanoparticles have a particle size ranging from about 10 nm to about 50 nm. The ceramic nanoparticles and the silica nanoparticles are different in composition and/or morphology. An electromagnetic radiation absorber is present in an amount ranging from about 1% to about 10% by weight based on the total SLFM weight. An organic solvent is present in an amount from about 5% to about 50% by weight based on the total SLFM weight. The SLFM includes a balance of water.

公开(公告)号：US20180147777A1

公开(公告)日：2018-05-31

申请号：US15568969

申请日：2015-07-24

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

Inventor： James Elmer Abbott, Jr. ,  Raymond Adamic ,  David A. Champion

IPC: B29C64/135 ,  B29C64/112 ,  B29C64/165 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y70/00

CPC classification number: B29C64/135 ,  B22F3/008 ,  B22F2999/00 ,  B29C64/112 ,  B29C64/165 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y70/00 ,  C09D11/322 ,  G03G15/224 ,  G03G15/225 ,  B22F3/1003

Abstract: In a 3D printing method, a first layer of a build material is applied. A part layer is patterned by selectively applying a penetrating liquid functional material (PLFM) on at least a portion of the first layer. The PLFM includes (in amounts by weight based on total wt % of the PLFM): from about 5%-15% of a first metal oxide nanoparticle having a particle size ranging from about 0.5 nm up to 10 nm, from about 0.25%-10% of a second metal oxide nanoparticle having at least one dimension greater than 10 nm, from about 1%-10% of an electromagnetic radiation absorber, from about 5%-50% of an organic solvent, a surfactant, and a balance of water. The first layer having the PLFM applied thereon is exposed to electromagnetic radiation, whereby the portion of the first layer at least partially fuses to form the part layer.

公开(公告)号：US20170260406A1

公开(公告)日：2017-09-14

申请号：US15512817

申请日：2014-11-28

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

Inventor： James P. Shields ,  Raymond Adamic ,  Sundar Vasudevan

IPC: C09D11/101 ,  C09D11/324 ,  C09D11/328 ,  C09D11/104

CPC classification number: C09D11/38 ,  C09D11/033 ,  C09D11/101 ,  C09D11/104 ,  C09D11/106 ,  C09D11/107 ,  C09D11/322 ,  C09D11/324 ,  C09D11/328

Abstract: A non-Newtonian photo-curable ink composition that includes a polymerizable FMOC material in an amount ranging from about 2 wt % to about 20 wt % by total weight of the ink composition, a photo-initiator, an organic solvent and water, wherein the ink composition hasa first dynamic viscosity ranging from 25 cps to 10,000 cps at a first state and a second dynamic viscosity ranging from 1 cps to 50 cps at a second state. Also described herein is a method for making such non-Newtonian photo-curable ink composition and a method for producing printed images using such non-Newtonian photo-curable ink composition.

公开(公告)号：US09631104B2

公开(公告)日：2017-04-25

申请号：US15119026

申请日：2014-03-06

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

Inventor： Raymond Adamic

IPC: G01D11/00 ,  B41J2/17 ,  C09D11/00 ,  C09D11/38 ,  C09D11/322 ,  B41J2/01 ,  C09D11/36

CPC classification number: C09D11/38 ,  B41J2/01 ,  C09D11/322 ,  C09D11/36

Abstract: The present disclosure provides orthogonal non-Newtonian inkjet inks and related methods. In one example, an orthogonal non-Newtonian inkjet ink can comprise a low molecular weight organic gelator in an amount ranging from 0.1% to 10% by weight; a metal oxide in an amount ranging from 0.1% to 10% by weight; a first salt in an amount of 0.05% to 20% by weight; a second salt in an amount of 0.05% to 20% by weight; and an organic solvent. The metal oxide and the first salt form a first structured network and the low molecular weight organic gelator and the second salt form a second structured network.

公开(公告)号：US10400122B2

公开(公告)日：2019-09-03

申请号：US15119087

申请日：2014-03-06

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

Inventor： Raymond Adamic ,  Vladek Kasperchik

IPC: C09D11/38 ,  B41J2/01 ,  B41M5/00 ,  C09D11/322 ,  C09D11/36

Abstract: The present disclosure provides non-Newtonian inkjet inks and related methods. In one example, a non-Newtonian inkjet ink include a dispersion of metal oxide particles in an amount ranging from 0.1% to 10% by weight based on the total weight of the non-Newtonian inkjet ink; a salt in an amount of 0.05% to 10% by weight based on the total weight of the non-Newtonian inkjet ink; and an organic solvent. Additionally, the metal oxide form a structured network in a presence of the salt and the inkjet ink have a dynamic viscosity ranging from 25 cps to 10,000 cps at shear rate of 5 s−1 and a dynamic viscosity ranging from 1 cps to 50 cps at a shear rate of 10,000 s−1.

公开(公告)号：US10392523B2

公开(公告)日：2019-08-27

申请号：US15529866

申请日：2014-12-11

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

Inventor： James P. Shields ,  Raymond Adamic ,  Sundar Vasudevan

IPC: C09D11/10 ,  C09D11/101 ,  C09D11/14 ,  C09D11/38 ,  C09D11/033 ,  C09D11/107 ,  C09D11/322 ,  C09D11/324

Abstract: A non-Newtonian photo-curable ink composition that includes a metal oxide/alkoxysilane complex in an amount ranging from about 0.1 wt % to about 10 wt %, a salt in an amount ranging from about 0.05 wt % to about 20 wt %, a photo-initiator, an organic solvent, and water, wherein the ink composition has a first dynamic viscosity ranging from 25 cps to 10,000 cps at a first state and a second dynamic viscosity ranging from 1 cps to 50 cps at a second state. Also described herein is a method for making such non-Newtonian photo-curable ink composition and a method for producing printed images using such non-Newtonian photo-curable ink composition.

公开(公告)号：US10077368B2

公开(公告)日：2018-09-18

申请号：US15507652

申请日：2014-09-26

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

Inventor： James P. Shields ,  Raymond Adamic ,  Sundar Vasudevan

IPC: C08F2/46 ,  C08F2/50 ,  C08G61/04 ,  C09D11/101 ,  C09D11/322 ,  C09D11/38 ,  C09D11/033 ,  C09D11/037 ,  C09D11/102 ,  C09D11/106 ,  C09D11/36

CPC classification number: C09D11/101 ,  C09D11/033 ,  C09D11/037 ,  C09D11/102 ,  C09D11/106 ,  C09D11/322 ,  C09D11/36 ,  C09D11/38

Abstract: A non-Newtonian photo-curable ink composition that comprises a combination of metal oxide particles in an amount ranging from about 0.1 wt % to about 20 wt % based on the total weight of the ink; an organic solvent; a photo-initiator; and a polymerizable material wherein the ink composition has a first dynamic viscosity ranging from 25 cps to 10,000 cps at a first state and a second dynamic viscosity ranging from 1 cps to 50 cps at a second state. Also described herein is a method for making such non-Newtonian photo-curable ink composition and a method for producing printed images using such non-Newtonian photo-curable ink composition.

公开(公告)号：US20180118964A1

公开(公告)日：2018-05-03

申请号：US15561835

申请日：2015-07-24

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

Inventor： Raymond Adamic ,  Brian Dooley

IPC: C09D11/38 ,  C09D11/324 ,  C09D11/106 ,  C09D11/033

CPC classification number: C09D11/38 ,  C09D11/033 ,  C09D11/106 ,  C09D11/14 ,  C09D11/324

Abstract: An example of a non-Newtonian inkjet ink includes first and second metal oxide nanoparticles, a colorant, an organic solvent, and a balance of water. The first metal oxide nanoparticle has a particle size of 10 nm or less, and is present in an amount ranging from about 5% to about 15% by weight based on a total weight of the ink. The second metal oxide nanoparticle has at least one dimension greater than 10 nm, and is present in an amount ranging from 0.25% to 10% by weight based on the total weight of the ink. The colorant is present in an amount ranging from about 0.5% to about 10% by weight based on the total weight of the ink. The organic solvent is present in an amount ranging from about 5% to about 50% by weight based on the total weight of the ink.

公开(公告)号：US20170335121A1

公开(公告)日：2017-11-23

申请号：US15507591

申请日：2014-09-26

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

Inventor： James P. Shields ,  Raymond Adamic ,  Sundar Vasudevan

IPC: C09D11/101 ,  C09D11/38 ,  C09D11/36

CPC classification number: C09D11/101 ,  C09D11/322 ,  C09D11/36 ,  C09D11/38

Abstract: A non-Newtonian photo-curable ink composition that comprises from about 0.1 wt % to about 10 wt % of metal oxide particles having an average particle size ranging from 1 to 50 nm; from about 0.05 wt % to about 10 Wt % of an inorganic salt; an organic solvent; a photo-initiator; and a polymerizable material; wherein the ink composition has a first dynamic viscosity ranging from 25 cps to 10,000 cps at a first state and a second dynamic viscosity ranging from 1 cps to 50 cps at a second state. Also described herein is a method for making such non-Newtonian photo-curable ink composition and a method for producing printed images using such non-Newtonian photo-curable ink composition.

公开(公告)号：US09770932B2

公开(公告)日：2017-09-26

申请号：US15051613

申请日：2016-02-23

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

Inventor： Raymond Adamic

IPC: B41J2/01 ,  B41M7/00 ,  B41J2/21 ,  B41J29/36

CPC classification number: B41M7/0009 ,  B41J2/2114 ,  B41J29/36

Abstract: A system for erasing an ink from a medium includes the medium having the ink printed on a surface thereof, and an erasure fluid directly or indirectly applied to the surface, wherein the medium further includes another surface opposed to the surface upon which the ink is printed. An electrochemical cell includes an anode and a cathode. The anode formed from a semi-conductive or conductive carbon-containing material is positioned adjacent to one of: the surface of the medium upon which the ink is printed, or the other surface of the medium. The cathode formed from a semi-conductive or conductive carbon-containing material is positioned adjacent to another of: the other surface of the medium, or the surface of the medium upon which the ink is printed. The system further includes a power source to apply a voltage across the medium.