Solvent recovery and waste isolation from additive manufactured object cleaning

Research output: Patent

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Abstract

Systems and methods for neutralizing, and preferably reusing, cleaning solvents (3) for cleaning 3D printed objects (2), wherein at least a part of a residual 3D printing ink comprised in the cleaning solvent (3) can be neutralized by a procedure of residual ink activation, preferably activated and neutralized by polymerization and subsequent precipitation removal before solvent reuse or disposal. Further, the present invention relates to the safe disposal of residual activatable solidifiable inks for 3D printing, in particular in relation to the safe disposal of residual activatable solidifiable inks for 3D printing comprising activatable mono- and/or oligomers, in particular comprising photoactivatable mono- and/or oligomers.

Original languageEnglish
IPCB29C 64/ 35 A I
Patent numberWO2020144156
Filing date07/01/2020
CountryInternational Bureau of the World Intellectual Property Organization (WIPO)
Priority date02/09/2019
Priority numberDK2019PA70548
Publication statusPublished - 16 Jul 2020

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