POLYOXYMETHYLENE MICROPARTICLES AND METHODS OF PRODUCTION AND USE THEREOF

Methods include dissolving a polyoxymethylene (POM) homopolymer or copolymer in one or more solvents at an elevated temperature (e.g., up to a boiling point+10° C. (TBP+10C) of the one or more solvents) to form a polymer mixture, wherein a difference in total Hansen solubility parameters (Δδt) for t...

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Bibliographische Detailangaben
Hauptverfasser:	Farrugia, Valerie M, Morimitsu, Kentaro
Format:	Patent
Sprache:	eng
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING-UP
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Beschreibung
Zusammenfassung:	Methods include dissolving a polyoxymethylene (POM) homopolymer or copolymer in one or more solvents at an elevated temperature (e.g., up to a boiling point+10° C. (TBP+10C) of the one or more solvents) to form a polymer mixture, wherein a difference in total Hansen solubility parameters (Δδt) for the POM homopolymer or copolymer and the one or more solvents is 6 or less; cooling the polymer mixture to form a POM particle composition; and isolating the POM particle composition. Said method may be performed at ambient pressures.