Eastman-kodak Company

Kodak Alaris Inc.

Other

John Leonard Muehlbauer

Dennis E Smith

Peter John Ghyzel

Gregory E Missell

Teh-Ming Kung

Jeanne Ellen Kaeding

Richard J Kapusniak

Yongcai Wang

Thomas B Brust

Catherine A Falkner

Alfred B Fant

Sharon M Melpolder

Lianne Heath

John P Olscamp

Walter E Scott

Kim Standish

Ellen L Bennett

Joseph F Janinek

Kathleen Bonsignore

Renee L Daniels

Mridula Nair

Thomas Henry Whitesides

Kevin D Lofftus

Peter David Rollinson

Valerie Lynn Kuykendall

Charles Chester Anderson

Peter S Alexandrovich

Thomas M Laney

Cumar Sreekumar

Christopher E Wheeler

Kathleen A Bonsignore

Kimberly W Standish

Catherine Ann Falkner

A method for preparing core/shell particles includes forming a suspension of ethylenically unsaturated monomer droplets containing one or more monomers and a porogen in an aqueous medium containing a first stabilizer and a polymerization initiator, wherein at least one of the monomers is a cross-linking monomer, and wherein the first stabilizer is an inorganic colloid. The method further includes polymerizing the one or more monomers to form core/shell particles having a core of a porous polymer and a polymeric shell having a shell thickness of at least 5 nm, wherein any pores in the polymeric shell have a diameter of less than 2 nm.

Method for fabricating impermeable porous particles

An article includes a substrate with a surface, and a coating disposed over the surface. The coating includes a binder material and a plurality of UV scattering porous polymer particles having pores with a light scattering effective pore size of no more than 100 nm. The coating has a scattering opacity of no more than 20% in the wavelength band from 500 to 3000 nm.

Coating providing ultraviolet scattering

Individual aqueous inks or inks in ink sets haves a non-crosslinked, crosslinkable polyurethane having an acid number of 20-40 and is derived from an aromatic diisocyanate; and a diol mixture of Dand Ddiols, and optionally including Ddiol, Ddiol, or both Dand Ddiols. Dhas a Cto Caliphatic group and a pendant carboxy group or neutralized carboxy group. Dhas a chain of repeating Cto Calkylene oxide groups. Dis an alkoxylated bisphenol A or an aliphatic cyclic diol, present at least 5 mol %. Dis a hydroxy-terminated polybutadiene having a molecular weight of at least 1000 and is present in an amount of 0.1-5 mol %. The ink also contains a dispersed pigment colorant; a humectant or organic co-solvent, and optionally, a crosslinking agent.

Aqueous inkjet ink compositions and ink sets

An inkjet printing method uses an aqueous inkjet ink composition having a non-crosslinked, crosslinkable polyurethane having an acid number of 20-40 and is derived from an aromatic diisocyanate; and a diol mixture of Dand Ddiols, and optionally including Ddiol, Ddiol, or both Dand Ddiols. Dhas a Cto Caliphatic group and a pendant carboxy group or neutralized carboxy group. Dhas a chain of repeating Cto Calkylene oxide groups. Dis an alkoxylated bisphenol A or aliphatic cyclic diol, present at least 5 mol %. Dis a hydroxy-terminated polybutadiene having a molecular weight of at least 1000 and is present in an amount of 0.1-5 mol %. The ink composition also contains a dispersed pigment colorant; a humectant or organic co-solvent, and optionally, a crosslinking agent.

Method of inkjet printing

A non-crosslinked, crosslinkable polyurethane has an acid number of 20-40 and a glass transition temperature of up to and including 40&#xb0; C. It can be derived from an aromatic diisocyanate; and a diol mixture of at least D, D, D, and Ddiols. Dhas a Cto Caliphatic group and at least one pendant carboxy group or pendant neutralized carboxy group. Dhas a chain of repeating Cto Calkylene oxide groups and a molecular weight of 250-3000. Dis an alkoxylated bisphenol A or aliphatic cyclic diol present in an amount of at least 5 mol %. Dis a hydroxy-terminated polybutadiene having a molecular weight of at least 1000, and is present in an amount of at least 0.1-5 mol %.

Non-crosslinked, crosslinkable polyurethane

This invention relates to a conductive thermal image receiver element that has an aqueous coatable dye-receiving layer and an aqueous coatable receiver overcoat layer. The receiver overcoat layer comprises a conductive polymeric material and a two or more dispersants. The dye-receiving layer comprises a water-dispersible release agent, a crosslinking agent, and a polymer binder matrix consisting essentially of a water-dispersible polyester and a water-dispersible acrylic polymer. This invention also relates to a method for making this thermal image receiver element as well as method for using it to provide a dye image by thermal transfer from a donor element.

Conductive thermal imaging receiving layer with receiver overcoat layer

A method of making a resin, includes forming an aqueous monomer droplet suspension, and colloidally stabilizing the suspension with a solid particulate material as the first stabilizer and poly(2-ethyl-2-oxazoline) as a second stabilizer. The method further includes heating the colloidally stabilized suspension to polymerize the monomer droplets, thereby forming the resin.

Method of making a resin

This invention relates to a conductive thermal image receiver element that has an aqueous-based coatable dye-receiving layer comprising a water-dispersible acrylic polymer, a water-dispersible polyester, a water-dispersible conductive polymeric material and a surfactant. This invention also relates to a method for making this thermal image receiver element as well as method for using it to provide a dye image by thermal transfer from a donor element.

Conductive thermal imaging receiving layer with receiver overcoat layer comprising a surfactant

A thermal image receiver element dry image receiving layer has a Tof at least 25&#xb0; C. as the outermost layer. The dry image receiving layer has a dry thickness of at least 0.5 &#x3bc;m and up to and including 5 &#x3bc;m. It comprises a polymer binder matrix that consists essentially of: (1) a water-dispersible acrylic polymer comprising chemically reacted or chemically non-reacted hydroxyl, phospho, phosphonate, sulfo, sulfonate, carboxy, or carboxylate groups, and (2) a water-dispersible polyester that has a Tof 30&#xb0; C. or less. The water-dispersible acrylic polymer is present in an amount of at least 55 weight % of the total dry image receiving layer weight and at a dry ratio to the water-dispersible polyester of at least 1:1 to and including 20:1. The thermal image receiver element can be used to prepare thermal dye images after thermal transfer from a thermal donor element.

Thermal image receiver elements prepared using aqueous formulations

A thermal image receiver element dry image receiving layer has a Tof at least 25&#xb0; C. as the outermost layer. The dry image receiving layer has a dry thickness of at least 0.5 &#x3bc;m and up to and including 5 &#x3bc;m. It comprises a polymer binder matrix that consists essentially of: (1) a water-dispersible acrylic polymer comprising chemically reacted or chemically non-reacted hydroxyl, phospho, phosphonate, sulfo, sulfonate, carboxy, or carboxylate groups, and (2) a water-dispersible polyester that has a Tof 30&#xb0; C. or less. The water-dispersible acrylic polymer is present in an amount of at least 55 weight % of the total dry image receiving layer weight and at a dry ratio to the water-dispersible polyester of at least 1:1. The thermal image receiver element can be used to prepare thermal dye images after thermal transfer from a thermal donor element.

Disclosed is a thermal dye-transfer receiving element comprising a dye-image receiving layer on its top surface and, beneath the dye-image receiving layer, a microvoided layer containing a continuous phase polymer matrix having dispersed therein crosslinked organic microbeads, wherein the microbeads exhibit a glass transition temperature Tg that is below 80&deg; C. Also disclosed is a method for making such thermal dye-transfer receiving elements.

Thermal dye-transfer receiving element with microvoided substrate and method of making the same

An ink jet recording element comprising a support having thereon an image-receiving layer comprising at least about 70% by weight of porous polymeric particles in a polymeric binder, the porous polymeric particles having a core/shell structure comprising a porous polymeric core covered with a shell of a water-soluble polymer.

Ink jet recording element

Ink jet printing method

An ink jet recording element comprising a support having thereon an image-receiving layer comprising at least about 80% by weight of non-porous polymeric particles in a polymeric binder, the non-porous polymeric particles having a core/shell structure comprising a polymeric core covered with a shell of a water-soluble polymer.

Growing community of inventors

Stafford, NY, United States of America

John Leonard Muehlbauer