公开(公告)号：US10208220B2

公开(公告)日：2019-02-19

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: C08F2/46 ,  C08F2/50 ,  C08G61/04 ,  C09D11/38 ,  C09D11/101 ,  C09D11/033 ,  C09D11/106 ,  C09D11/107 ,  C09D11/322 ,  C09D11/104 ,  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 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：US20170260411A1

公开(公告)日：2017-09-14

申请号：US15512814

申请日：2014-09-26

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

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

IPC: C09D11/38 ,  C09D11/322 ,  C09D11/106 ,  C09D11/107 ,  C09D11/033 ,  C09D11/101

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 comprises a structured network forming agent in an amount ranging from about 0.1 wt % to about 20 wt % by total weight of the ink composition; a salt in an amount ranging from about 0.05 wt % to about 20 wt % by total weight of the ink composition; 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：US20170247554A1

公开(公告)日：2017-08-31

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

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：US09738804B2

公开(公告)日：2017-08-22

申请号：US15308532

申请日：2014-06-06

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

Inventor： Richard J. McManus ,  Sundar Vasudevan ,  Vladimir Jakubek

IPC: B41J2/175 ,  C09D11/36 ,  C09D11/38 ,  C09D11/324 ,  C09D11/102

CPC classification number: C09D11/36 ,  B41J2/17503 ,  C09D11/102 ,  C09D11/324 ,  C09D11/38

Abstract: An ink composition includes colorant, hydroxylated and non-hydroxylated co-solvents, and water. A weight percent ratio of hydroxylated to non-hydroxylated co-solvents ranges from 46:54 to about 62:38. The composition also includes an acid and a polyurethane copolymer binder. The acid is selected from the group consisting of oleic acid, linoleic acid, undecanoic acid, dodecanoic acid, tridecanoic acid, and combinations thereof. The binder is formed from the polymerization of a diisocyanate and at least three diols including a first diol containing a hydrophilic stabilizing group, and a second diol having less than 8 atoms in a backbone chain between two hydroxyl groups. A mole percentage of the second diol is at least 30% of a total mole percentage of diol monomers in the binder. An acid number of the binder ranges from 50 to 75. The composition also includes lithium present in an amount ranging from about 50 to about 400 ppm.