THREE-DIMENSIONAL PRINTING

An example of a three-dimensional (3D) printing kit includes a build material composition and a fusing agent to be applied to at least a portion of the build material composition during 3D printing. The build material composition includes a semi-crystalline thermoplastic polymer having a surface ene...

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Bibliographische Detailangaben
Hauptverfasser:	LONG, Greg S, WOODRUFF, Shannon Reuben, DONOVAN, Katrina, STASIAK, James W, FLACK, Kenneth, WRIGHT, Jacob Tyler, FUNG, Erica, EMAMJOMEH, Ali
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 OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	An example of a three-dimensional (3D) printing kit includes a build material composition and a fusing agent to be applied to at least a portion of the build material composition during 3D printing. The build material composition includes a semi-crystalline thermoplastic polymer having a surface energy density greater than 41 mN/m. The fusing agent includes an energy absorber to absorb electromagnetic radiation to coalesce the semi-crystalline thermoplastic polymer in the at least the portion. Un exemple d'un kit d'impression tridimensionnelle (3D) comprend une composition de matériau de construction et un agent de fusion à appliquer sur au moins une partie de la composition de matériau de construction pendant l'impression 3D. La composition de matériau de construction comprend un polymère thermoplastique semi-cristallin ayant une densité d'énergie de surface supérieure à 41 mN/m. L'agent de fusion comprend un absorbeur d'énergie pour absorber un rayonnement électromagnétique pour coalescer le polymère thermoplastique semi-cristallin dans la ou les parties.