Compositions and methods for high-temperature jetting of viscous thermosets to create solid articles via additive fabrication

Paul A.M. Steeman (Inventor), A.C.B. Bogaerds (Inventor), M.M.M. Dreissen (Inventor), Rolf A.T.M. van Benthem (Inventor), R. van Sluijs (Inventor), F.J.M. Derks (Inventor)

Research output: PatentPatent publication

Abstract

Described herein are methods and compositions for forming three-dimensional objects via material jetting processes, the methods including the repeated steps of selectively depositing a liquid thermoset material onto a surface from a nozzle of at least one jetting head in a first specified direction and exposing at least a portion of the liquid thermoset material to a source of actinic radiation
in order to form a three-dimensional object from the cured thermoset material, wherein the jetting head is configured to eject droplets of o the liquid thermoset material from the nozzle at prescribed elevated operating temperatures, and wherein the liquid thermoset material is chosen so as to possessing prescribed viscosity and rheological characteristics.
Original languageEnglish
Patent numberWO/2019/117723
Priority date15/12/17
Filing date14/12/18
Publication statusPublished - 20 Jun 2019

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