公开(公告)号：US20230322982A1

公开(公告)日：2023-10-12

申请号：US18330024

申请日：2023-06-06

Applicant: Xerox Corporation

Inventor： Nan-Xing HU ,  Kimberly D. NOSELLA ,  Richard Philip Nelson VEREGIN ,  Yulin WANG ,  Raysa Rodriguez DIAZ

IPC: C08F120/40 ,  C08K3/36

CPC classification number: C08F120/40 ,  C08K3/36 ,  B82Y99/00

Abstract: Additive manufacturing processes featuring consolidation of thermoplastic particulates may form printed objects in a range of shapes. Inorganic nanoparticles disposed upon the outer surface of the thermoplastic particulates may improve flow performance of the thermoplastic particulates during additive manufacturing, but may be undesirable to incorporate in some printed objects. Polymer nanoparticles may be substituted for inorganic nanoparticles in some instances to address this difficulty and provide other advantages. Particulate compositions suitable for additive manufacturing may comprise: a plurality of thermoplastic particulates comprising a thermoplastic polymer and a plurality of polymer nanoparticles disposed upon an outer surface of the thermoplastic particulates, the polymer nanoparticles comprising a crosslinked fluorinated polymer.

公开(公告)号：US20240066595A1

公开(公告)日：2024-02-29

申请号：US17823706

申请日：2022-08-31

Applicant: Xerox Corporation

Inventor： Benjamin KNAPIK ,  Michael S. HAWKINS ,  David LAWTON ,  Kimberly D. NOSELLA

IPC: B22F9/16 ,  B22F1/16 ,  B22F1/065 ,  B22F1/052

CPC classification number: B22F9/16 ,  B22F1/16 ,  B22F1/065 ,  B22F1/052

Abstract: A method for producing metal or metal alloy particles may include: mixing a mixture comprising: (a) a metal or a metal alloy, (b) a carrier fluid, and optionally (c) an emulsion stabilizer at a temperature at or greater than a melting point of the metal or the metal alloy to create a dispersion of molten droplets of the metal or the metal alloy dispersed in the carrier fluid; cooling the mixture to below the melting point of the metal or the metal alloy to form metal or metal alloy particles; and separating the metal or metal alloy particles from the carrier fluid, wherein the metal or metal alloy particles comprise the metal or the metal alloy and the emulsion stabilizer, if included.