Xerox Corporation

Samsung Electronics Co., Ltd.

Sandra J Gardner

Nan-Xing Hu

Valerie M Farrugia

Yu Qi

Qi Zhang

Edward Graham Zwartz

Rina Carlini

C Geoffrey Allen

Yiliang Wu

Carolyn Patricia Moorlag

George Liebermann

James Daniel Mayo

Stephan V Drappel

Cuong Vong

Cheng-Kuo Hsiao

Suxia Yang

Peter Gordon Odell

Barkev Keoshkerian

Ping Liu

Raj D Patel

Paul Farrell Smith

Yulin Wang

Richard P N Veregin

Ah-Mee Hor

James McConnell Duff

T Brian McAneney

Gordon Sisler

Guiqin Song

Dasarao K Murti

Brynn Mary Dooley

Marko D Saban

Gordon K Hamer

Roger E Gaynor

T Hwee Ng

David J Sanders

Timothy L Lincoln

Carol A Jennings

Karl W Dawson

Sonja Hadzidedic

Kevin F Marcell

Louis V Isganitis

Gabriel Iftime

Shadi L Malhotra

Hadi K Mahabadi

Katsumi Daimon

Maria Birau

Richard A Burt

Kirit N Naik

James Harry Sharp

Fernando Perez Yulo

Naveen Chopra

Paul J McConville

Marcel Philippe Breton

Peter Michael Kazmaier

Katsumi Nukada

Jennifer Lynne Belelie

Ke Zhou

Jeffrey H Banning

Kimberly D Nosella

Timothy P Bender

Anthony James Wigglesworth

Caroline Melanie Turek

Kurt I Halfyard

John Graham

Christine E Bedford

Richard Philip Nelson Veregin

Michael J D'Amato

Nicoleta D Mihai

Cheng K Hsiao

Guerino G Sacripante

Beng S Ong

Michael Steven Hawkins

Adela Goredema

Raymond W Wong

Kentaro Morimitsu

Michelle Chretien

Paul Joseph Gerroir

Santiago Faucher

Christopher A Wagner

Gregory J Kovacs

Yasuo Sakaguchi

Yvan Gagnon

Nancy Lynn Belknap

Rafik O Loutfy

Ryosaku Igarashi

Frank Ping-Hay Lee

Michael F Cunningham

James M Markovics

Man C Tam

Terry L Bluhm

Emily Louise Moore

Kathy Lynn De Jong

Andronique Ioannidis

Michael E Zak

Joanne L Lee

Danielle C Boils-Boissier

Abdisamed Sheik-Qasim

John Abate

Adrien Pierre Côté

Charles G Allen

A process including combining polystyrene and a first solvent to form a polystyrene solution; heating the polystyrene solution; adding a second solvent to the polystyrene solution with optional stirring whereby polystyrene microparticles are formed via microprecipitation; optionally, cooling the formed polystyrene microparticles in solution; and optionally, removing the first solvent and second solvent. A polystyrene microparticle formed by a microprecipitation process, wherein the polystyrene particle has a spherical morphology, a particle diameter of greater than about 10 micrometers, and a weight average molecular weight of from about 38,000 to about 200,000 Daltons. A method of selective laser sintering including providing polystyrene microparticles formed by a microprecipitation process; and exposing the microparticles to a laser to fuse the microparticles.

Precipitation process for preparing polystyrene microparticles

Disclosed herein is a toner composition, developer and additive for a toner composition. The toner composition includes toner particles having at least one resin, an optional colorant, an optional wax, and a crosslinked polymer particle on at least a portion of an external surface of the toner particles. The crosslinked polymeric particle on a surface of the toner particles includes at least a hydrophobic monomer comprising a non-fluorinated monomer having a carbon to oxygen (C/O) ratio of 3 or greater or a fluorinated monomer. The crosslinked polymer particle includes a second monomer comprising two or more vinyl groups present in an amount from about 8 wt % to about 40 wt % of the copolymer, a metal oxide and optionally a charge control agent monomer.

Toner compositions and additives

A method for producing polysulfone micro-particles for 3D printing disclosed. For example, the method includes creating a mixture of polysulfone by dissolving polysulfone in an organic solvent, creating an aqueous solution of a polymeric stabilizer or a surfactant, adding the mixture of polysulfone to the aqueous solution to create a polysulfone solution, and processing the polysulfone solution to obtain polysulfone micro-particles having a desired particle size, a desired particle size distribution, and a desired shape.

Method for producing sulfone polymer micro-particles for SLS 3D printing

Described herein is a powder coating that includes a plurality of particles. The plurality of particles includes amorphous polyester and iron oxide pigment, wherein the plurality of particles have a size of from 5 microns to 250 microns, and wherein the plurality of particles each have a circularity of from about 0.93 to about 0.999. A method of manufacturing the particles is also disclosed.

Particles for powder coating applications and method of manufacturing

A toner composite material includes toner particles that include a sulfonated polyester and a wax and metal nanoparticles disposed on the surface of the toner particles. A method includes providing such toner composite materials, fusing the material to a substrate and covalently linking a ligand to the surface of the silver nanoparticles via a thiol, carboxylate, or amine functional group. Detection strips include a substrate and such toner composite materials fused on the substrate.

Sulfonated polyester-metal nanoparticle composite toner for colorimetric sensing applications

Provided herein is a powder composition comprising a silica-infused crystalline polyester particle for laser sintering comprising at least one crystalline polyester resin and silica nanoparticles present in the particle an amount ranging from about 10 wt % to about 60 wt % relative to the total weight of the particle. Further provided herein are methods of preparing silica-infused crystalline polyester particles.

Powders for laser sintering

A nanocomposite includes a core comprising a first polymer, a shell disposed about the core, the shell comprising a sulfonated polyester, the first polymer and sulfonated polyester are different, and a plurality of silver nanoparticles disposed throughout the shell layer.

Core-shell metal nanoparticle composite

A silver paste ink composition comprises a plurality of first particles comprising silver; a polymer binder; a carrier solvent; and a plurality of second particles comprising silver. The second particles are nanoparticles that are different than the first silver particles, the amount of second particles in the ink composition being sufficient to impart a first color to the uncured ink composition, the first color being different than the color of the same ink composition without the nanoparticles. The silver nanoparticles have a property of causing a change in the color of the ink composition when the ink composition is cured.

Ink composition and method of determining a degree of curing of the ink composition

Toner particles contain a core-shell resin particle containing at least one (sulfo) polyester containing a metal on nanoparticle, and a shell containing a metal ion nanoparticle.

Antimicrobial sulfonated polyester resin

A fuser comprises a substrate and a composite layer formed on the substrate. The composite layer comprises a fluoropolymer and at least one of (a) per-fluorosulfonated polymer-treated, carbon nanotube-comprising particles, and (b) perfluorosulfonated polymer-treated, graphene-comprising particles. Methods of making a fuser and methods of fusing toner particles are also disclosed.

Carbon nanoparticle and fluorpolymer fuser coating

The disclosure provides pigment dispersions having an average particle size of from about 10 nm to about 500 nm prepared by employing a magnetic actuated milling process and system. In embodiments, the pigment dispersions have an average particle size of less than 100 nm.

Magnetic actuated-milled pigment dispersions and process for making thereof

Cold pressure fix toner compositions include at least one crystalline polyester having a melting point in a range from about 30&#xb0; C. to about 130&#xb0; C., a rosin acid-based polyester resin and an amorphous polyester having a Thigher than the rosin acid-based polyester. The crystalline polyester can have a melting point in a range from about 30&#xb0; C. to about 130&#xb0; C., the rosin acid-based polyester resin can have a Tin a range from about 0&#xb0; C. to about &#x2212;45&#xb0; C. and an amorphous polyester having a Tin a range from about 40&#xb0; C. to about 70&#xb0; C. The temperature difference between the rosin acid-based polyester resin and the amorphous polyester resin can be in a range from about 30&#xb0; C. to about 110&#xb0; C.

[object Object]

Disclosed herein include toner compositions with toner particles having a core-shell type structure, where the core comprises a first resin comprising a styrene-acrylate copolymer and an amorphous polyester resin, and the shell comprises a second resin comprising beta-carboxyethyl acrylate (b-CEA) in an amount of from about 0.05 pph to about 2.5 pph by weight of the second resin.

Toner compositions with optimized beta-carboxyethyl acrylate shell latex for improved particle formation and morphology

Core-shell toner particles with antimicrobial properties are described, the toner particles contain a metal ion nanoparticle in the shell.

Antimicrobial toner

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Oakville, Canada

Sandra J Gardner