公开(公告)号：US12066790B2

公开(公告)日：2024-08-20

申请号：US17167430

申请日：2021-02-04

Applicant: Xerox Corporation

Inventor： Jordan A. Frank ,  Daniel W. Asarese ,  Chieh-Min Cheng ,  Paul K. Acquaviva ,  Richard P. N. Veregin ,  Michael F. Zona

IPC: G03G9/087 ,  G03G9/08 ,  G03G9/09 ,  G03G9/093

CPC classification number: G03G9/09364 ,  G03G9/081 ,  G03G9/08711 ,  G03G9/08782 ,  G03G9/0904 ,  G03G9/0918 ,  G03G9/09321

Abstract: Toner particles including a core and a shell thereover; wherein the core comprises at least one styrene-acrylate copolymer selected from styrene-acrylate copolymer 1, styrene-acrylate copolymer 2, and styrene-acrylate copolymer 3, and combinations thereof a wax; and an optional colorant; wherein the shell comprises at least one styrene-acrylate copolymer selected from styrene-acrylate copolymer 1, styrene acrylate copolymer 2, styrene acrylate copolymer 3, and combinations thereof.

公开(公告)号：US20230296998A1

公开(公告)日：2023-09-21

申请号：US17697800

申请日：2022-03-17

Applicant: Xerox Corporation

Inventor： Jordan A. Frank ,  Genggeng Qi ,  Elizabeth K. Priebe ,  Chieh-Min Cheng ,  Michael F. Zona

IPC: G03G9/097

CPC classification number: G03G9/09791 ,  G03G9/09775 ,  G03G9/093

Abstract: An emulsion aggregation toner including a toner particle comprising at least one resin; an optional colorant; an optional wax; and a charge control agent disposed on a surface of the toner particle; the control agent comprising a phenyl based siloxane; and a complex formed from a metal ion donor and at least one of a ligand selected from a member of the group consisting of a polyaromatic acid comprising humic acid, a pyranone based ligand, a furanone based ligand, or a combination thereof.

公开(公告)号：US20230296997A1

公开(公告)日：2023-09-21

申请号：US17697809

申请日：2022-03-17

Applicant: Xerox Corporation

Inventor： Jordan A. Frank ,  Genggeng Qi ,  Chieh-Min Cheng ,  Michael F. Zona ,  Elizabeth K. Priebe

IPC: G03G9/097

CPC classification number: G03G9/09775 ,  G03G9/09791 ,  G03G9/093

Abstract: An emulsion aggregation toner including a toner particle comprising at least one resin; an optional colorant; an optional wax; and a reactive charge control agent comprising at least one positive charging compound comprising a member selected from the group consisting of an amine compound having at least 3 carbon atoms, an ammonium compound having at least 3 carbon atoms, a phosphonium compound having at least 3 carbon atoms, a boronium compound having at least 3 carbon atoms, and combinations thereof; at least one reactive anchoring compound comprising a member selected the group consisting of amino, epoxy, carboxylic, hydroxyl, silanol, cyanide, anhydride, aldehyde, ketone, vinyl, and combinations thereof; and wherein the charge control agent optionally further comprises a negative charging compound comprising a member selected from the group consisting of aromatic carboxylic acid, silanol, phenol, pyranone, furanone, and combinations thereof.

公开(公告)号：US20220244656A1

公开(公告)日：2022-08-04

申请号：US17167430

申请日：2021-02-04

Applicant: Xerox Corporation

Inventor： Jordan A. Frank ,  Daniel W. Asarese ,  Chieh-Min Cheng ,  Paul K. Acquaviva ,  Richard P. N. Veregin ,  Michael F. Zona

IPC: G03G9/093 ,  G03G9/087 ,  G03G9/09 ,  G03G9/08

Abstract: Toner particles including a core and a shell thereover; wherein the core comprises at least one styrene-acrylate copolymer selected from styrene-acrylate copolymer 1, styrene-acrylate copolymer 2, and styrene-acrylate copolymer 3, and combinations thereof a wax; and an optional colorant; wherein the shell comprises at least one styrene-acrylate copolymer selected from styrene-acrylate copolymer 1, styrene acrylate copolymer 2, styrene acrylate copolymer 3, and combinations thereof.

公开(公告)号：US11281119B1

公开(公告)日：2022-03-22

申请号：US17030462

申请日：2020-09-24

Applicant: Xerox Corporation ,  Clarkson University

Inventor： Elizabeth K. Priebe ,  Christopher Michael Wolfe ,  Chieh-Min Cheng ,  Jordan A. Frank ,  Richard Partch

IPC: G03G9/08 ,  G03G9/097

Abstract: According to various embodiments, there is provided a toner composition and a developer. The toner composition includes toner particles including a resin, a colorant; and a surface additive applied to a surface of the toner particles. The surface additive includes polyaniline doped strontium titanate (SrTiO3).

公开(公告)号：US20210263437A1

公开(公告)日：2021-08-26

申请号：US16800236

申请日：2020-02-25

Applicant: Xerox Corporation

Inventor： Richard P. N. Veregin ,  Michael F. Zona ,  Jordan A. Frank ,  Daniel W. Asarese ,  Chieh-Min Cheng ,  Paul K. Acquaviva

IPC: G03G9/097 ,  G03G9/087 ,  G03G9/08 ,  G03G9/093 ,  G03G15/08

Abstract: A toner including a parent toner particle comprising at least one resin, in combination with an optional colorant, and an optional wax; and a surface additive formulation comprising at least one medium silica surface additive; at least one large cross-linked organic polymeric additive; at least one positive charging surface additive, wherein the at least one positive charging surface additive is (a) a titanium dioxide surface additive; and wherein the parent toner particles further contain a small silica; or (b) a non-titanium dioxide positive charging metal oxide surface additive; and wherein the parent toner particles further optionally contain a small silica; and wherein a total surface area coverage of all of the surface additives combined is 100 to 140 percent of the parent toner particle surface area.