公开(公告)号：US20250041842A1

公开(公告)日：2025-02-06

申请号：US18229427

申请日：2023-08-02

Applicant: XEROX CORPORATION

Inventor： Robert Claridge

IPC: B01J41/13 ,  B01J41/05 ,  B01J47/12 ,  C08L71/00

Abstract: A structured organic film (SOF) composite is disclosed, including a structured organic film (SOF), which may include a plurality of segments; a plurality of linkers, where at least one of the plurality of linkers connects at least one of the plurality of segments. The composite also includes a polymer additive incorporated into the SOF. The polymer additive is present in the SOF in a plurality of nanodomains, ranging in size from about 50 nm to about 1 micron. The polymer additive may include a polysulfone. The polysulfone can be poly(oxy-1,4-phenylenesulfonyl-1,4-phenylene). The polymer additive is present in an amount of from about 5 wt % to about 25 wt % based on a total weight of the SOF composite. The structured organic film (SOF) composite may include an ionic segment or ionic capping segment.

公开(公告)号：US12110380B2

公开(公告)日：2024-10-08

申请号：US18350889

申请日：2023-07-12

Applicant: XEROX CORPORATION

Inventor： Robert Claridge ,  Valerie M. Farrugia

IPC: C08K3/34 ,  B29B9/10 ,  B29B9/16 ,  B29C64/153 ,  B29C64/314 ,  B29K503/08 ,  B33Y10/00 ,  B33Y40/10 ,  B33Y70/00 ,  C08J3/12

CPC classification number: C08K3/346 ,  B29B9/10 ,  B29C64/153 ,  B29C64/314 ,  B33Y10/00 ,  B33Y40/10 ,  B33Y70/00 ,  C08J3/12 ,  B29B2009/166 ,  B29K2503/08

Abstract: Methods for producing highly spherical particles that comprise: mixing a mixture comprising: (a) nanoclay-filled-polymer composite comprising a nanoclay dispersed in a thermoplastic polymer, (b) a carrier fluid that is immiscible with the thermoplastic polymer of the nanoclay-filled-polymer composite, optionally (c) a thermoplastic polymer not filled with a nanoclay, and optionally (d) an emulsion stabilizer at a temperature at or greater than a melting point or softening temperature of the thermoplastic polymer of the nanoclay-filled-polymer and the thermoplastic polymer, when included, to disperse the nanoclay-filled-polymer composite in the carrier fluid; cooling the mixture to below the melting point or softening temperature to form nanoclay-filled-polymer particles; and separating the nanoclay-filled-polymer particles from the carrier fluid.

公开(公告)号：US20240011171A1

公开(公告)日：2024-01-11

申请号：US17810953

申请日：2022-07-06

Applicant: Xerox Corporation

Inventor： Yujie Zhu ,  Yulin Wang ,  Robert Claridge ,  Kurt I. Halfyard

IPC: C25B11/081 ,  C09D11/033 ,  C09D11/037 ,  C09D5/24 ,  C25B11/054 ,  C25B1/23 ,  C25B13/00 ,  C25B9/19 ,  C25B11/032

CPC classification number: C25B11/081 ,  C09D11/033 ,  C09D11/037 ,  C09D5/24 ,  C25B11/054 ,  C25B1/23 ,  C25B13/00 ,  C25B9/19 ,  C25B11/032 ,  B82Y30/00

Abstract: A composition, a gas diffusion electrode, and a method for fabricating the same is disclosed. In an example, the composition includes carbon supported nitrogen surface functionalized silver nanoparticles. The gas diffusion electrode can be fabricated with the carbon supported nitrogen surface functionalized silver nanoparticles and deployed in a membrane electrode assembly for various applications.

公开(公告)号：US11732106B2

公开(公告)日：2023-08-22

申请号：US17388861

申请日：2021-07-29

Applicant: Xerox Corporation

Inventor： Robert Claridge ,  Valerie M. Farrugia

IPC: C08J3/12 ,  B29B9/10 ,  B29B9/16 ,  B33Y70/00 ,  C08K3/34 ,  B33Y10/00 ,  B29C64/314 ,  B29C64/153 ,  B33Y40/10 ,  B29K503/08

CPC classification number: C08K3/346 ,  B29B9/10 ,  B29C64/153 ,  B29C64/314 ,  B33Y10/00 ,  B33Y40/10 ,  B33Y70/00 ,  C08J3/12 ,  B29B2009/166 ,  B29K2503/08

Abstract: Methods for producing highly spherical particles that comprise: mixing a mixture comprising: (a) nanoclay-filled-polymer composite comprising a nanoclay dispersed in a thermoplastic polymer, (b) a carrier fluid that is immiscible with the thermoplastic polymer of the nanoclay-filled-polymer composite, optionally (c) a thermoplastic polymer not filled with a nanoclay, and optionally (d) an emulsion stabilizer at a temperature at or greater than a melting point or softening temperature of the thermoplastic polymer of the nanoclay-filled-polymer and the thermoplastic polymer, when included, to disperse the nanoclay-filled-polymer composite in the carrier fluid; cooling the mixture to below the melting point or softening temperature to form nanoclay-filled-polymer particles; and separating the nanoclay-filled-polymer particles from the carrier fluid.

公开(公告)号：US11667788B2

公开(公告)日：2023-06-06

申请号：US16946625

申请日：2020-06-30

Applicant: Xerox Corporation

Inventor： Robert Claridge ,  Cristina Resetco ,  Shivanthi Easwari Sriskandha ,  Valerie M. Farrugia ,  Edward G. Zwartz

IPC: C08L75/04 ,  C08K3/36 ,  B29C64/153 ,  B33Y30/00 ,  B33Y70/00 ,  B29K75/00 ,  B82Y30/00 ,  B82Y40/00 ,  C08K5/42

CPC classification number: C08L75/04 ,  B29C64/153 ,  C08K3/36 ,  B29K2075/00 ,  B33Y30/00 ,  B33Y70/00 ,  B82Y30/00 ,  B82Y40/00 ,  C08K5/42 ,  C08K2201/005

Abstract: Melt emulsification may be employed to form elastomeric particulates in a narrow size range when nanoparticles and a sulfonate surfactant are included as emulsion stabilizers. Such processes may comprise combining a polyurethane polymer, a sulfonate surfactant, and nanoparticles with a carrier fluid at a heating temperature at or above a melting point or softening temperature of the polyurethane polymer, applying sufficient shear to disperse the polyurethane polymer as liquefied droplets in the presence of the nanoparticles in the carrier fluid at the heating temperature, cooling the carrier fluid at least until elastomeric particulates in a solidified state form, and separating the elastomeric particulates from the carrier fluid. The polyurethane polymer defines a core and an outer surface of the elastomeric particulates, and the nanoparticles are associated with the outer surface. The elastomeric particulates may have a span of about 0.9 or less.

公开(公告)号：US11124663B2

公开(公告)日：2021-09-21

申请号：US16368273

申请日：2019-03-28

Applicant: XEROX CORPORATION

Inventor： Robert Claridge ,  Naveen Chopra ,  Biby Esther Abraham

IPC: C09D11/107 ,  B41M1/06 ,  C09D11/037 ,  C09D11/101 ,  C09D11/102 ,  C09D11/104 ,  B41M5/00

Abstract: An ink composition includes at least one sulfonated polyester, at least one (meth)acrylate monomer, at least one urethane acrylate oligomer, at least one photoinitiator, at least one colorant and water.

公开(公告)号：US12157786B2

公开(公告)日：2024-12-03

申请号：US17321877

申请日：2021-05-17

Applicant: Xerox Corporation

Inventor： Robert Claridge ,  Valerie M. Farrugia ,  Shivanthi Easwari Sriskandha

IPC: C08F292/00 ,  B29C64/153 ,  B29C64/268 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y40/00 ,  B33Y70/00 ,  B33Y70/10 ,  C08G18/10 ,  C08G18/32 ,  C08G18/40 ,  C08G18/42 ,  C08G18/48 ,  C08G18/76 ,  C08G83/00 ,  C08K3/04 ,  C08K9/08 ,  C08L75/04 ,  C08L75/08 ,  C08L101/00 ,  C08G18/24 ,  C08G18/66

Abstract: A nonlimiting example method of forming highly spherical carbon nanomaterial-graft-polyurethane (CNM-g-polyurethane) particles may comprising: mixing a mixture comprising: (a) carbon nanomaterial-graft-polyurethane (CNM-g-polyurethane), wherein the CNM-g-polyurethane particles comprises: a polyurethane grafted to a carbon nanomaterial, (b) a carrier fluid that is immiscible with the polyurethane of the CNM-g-polyurethane, optionally (c) a thermoplastic polymer not grafted to a CNM, and optionally (d) an emulsion stabilizer at a temperature greater than a melting point or softening temperature of the polyurethane of the CNM-g-polyurethane and the thermoplastic polymer, when included, and at a shear rate sufficiently high to disperse the CNM-g-polyurethane in the carrier fluid; cooling the mixture to below the melting point or softening temperature to form CNM-g-polyurethane particles; and separating the CNM-g-polyurethane particles from the carrier fluid.

公开(公告)号：US20240010855A1

公开(公告)日：2024-01-11

申请号：US17810979

申请日：2022-07-06

Applicant: Xerox Corporation

Inventor： Robert Claridge ,  Yujie Zhu ,  Yulin Wang ,  David Lawton

IPC: C09D11/037 ,  C09C3/08

CPC classification number: C09D11/037 ,  C09C3/08 ,  B82Y30/00

Abstract: Carbon supported surface functionalized silver nanoparticles and a method for preparing the same are disclosed. For example, a composition includes carbon supported surface functionalized silver nanoparticles, The methods include preparing a liquid-containing composition comprising a plurality of silver nanoparticles and adding a carbon structure with the liquid-containing composition to form the carbon supported silver nanoparticles in-situ or mixing a composition comprising a carbon structure, a plurality of silver nanoparticles, and a liquid to grow silver nanoparticles on the carbon structure in-situ.

公开(公告)号：US20230265569A1

公开(公告)日：2023-08-24

申请号：US17676669

申请日：2022-02-21

Applicant: Xerox Corporation

Inventor： Yujie Zhu ,  Benjamin Knapik ,  Kurt I. Halfyard ,  Robert Claridge ,  David Lawton ,  Atousa Abdollahi

IPC: C25B11/081 ,  C25B1/23

CPC classification number: C25B11/081 ,  C25B1/23

Abstract: An electrode and a method for fabricating the same is disclosed. For example, the method to fabricate the electrode includes preparing a deposition composition comprising amine-functionalized silver nanoparticles and a solvent and depositing the deposition composition onto an electrically conductive substrate. The electrode can be deployed in a gas diffusion electrode.

公开(公告)号：US20220363800A1

公开(公告)日：2022-11-17

申请号：US17321877

申请日：2021-05-17

Applicant: Xerox Corporation

Inventor： Robert Claridge ,  Valerie M. Farrugia ,  Shivanthi Easwari Sriskandha

IPC: C08F292/00 ,  C08L75/08

Abstract: A nonlimiting example method of forming highly spherical carbon nanomaterial-graft-polyurethane (CNM-g-polyurethane) particles may comprising: mixing a mixture comprising: (a) carbon nanomaterial-graft-polyurethane (CNM-g-polyurethane), wherein the CNM-g-polyurethane particles comprises: a polyurethane grafted to a carbon nanomaterial, (b) a carrier fluid that is immiscible with the polyurethane of the CNM-g-polyurethane, optionally (c) a thermoplastic polymer not grafted to a CNM, and optionally (d) an emulsion stabilizer at a temperature greater than a melting point or softening temperature of the polyurethane of the CNM-g-polyurethane and the thermoplastic polymer, when included, and at a shear rate sufficiently high to disperse the CNM-g-polyurethane in the carrier fluid; cooling the mixture to below the melting point or softening temperature to form CNM-g-polyurethane particles; and separating the CNM-g-polyurethane particles from the carrier fluid.