3D-PRINTED ELASTIC PRODUCTS REINFORCED BY MEANS OF CONTINUOUS FIBRES AND HAVING ASYMMETRICAL ELASTIC PROPERTIES

The present invention relates to a fibre-reinforced 3D-printed elastic product (1, 3, 4, 7, 10, 12), wherein the product comprises a weight proportion of ≥50% of a polymer having a mean molecular weight of ≥5000 g/mol, measured by means of GPC, and a weight proportion of ≥0.5% and ≤20% of one or mor...

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Bibliographische Detailangaben
Hauptverfasser:	Achten, Dirk, Degiorgio, Nicolas, Buesgen, Thomas, Kuenzel, Jonas
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 CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	The present invention relates to a fibre-reinforced 3D-printed elastic product (1, 3, 4, 7, 10, 12), wherein the product comprises a weight proportion of ≥50% of a polymer having a mean molecular weight of ≥5000 g/mol, measured by means of GPC, and a weight proportion of ≥0.5% and ≤20% of one or more fibres having an aspect ratio of ≥100 and a length of ≥3 cm and ≤1000 cm, the product being produced at least in part by means of an FFF (Fused Filament Fabrication) method, and the product having a tensile modulus of ≥1.5 GPa in the region of the fibre reinforcement and in the direction of the fibre symmetry axis. The product also has a tensile modulus, measured according to DIN EN ISO 527-1, of ≤1.2 GPa in the region of the fibre reinforcement and perpendicular to the fibre symmetry axis, and has a yield strength of ≥5%, measured according to DIN EN ISO 527-1, perpendicular to the fibre symmetry axis.