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 (Ta1)+1oc) of the one or more solvents) to form a polymer mixture, wherein a difference in total Hansen solubility parameters (Mt) for the...

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Bibliographische Detailangaben
Hauptverfasser:	MORIMITSU, KENTARO, FARRUGIA, VALERIE M
Format:	Patent
Sprache:	eng ; fre
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 AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL 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 (Ta1)+1oc) of the one or more solvents) to form a polymer mixture, wherein a difference in total Hansen solubility parameters (Mt) 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.