Gypsum-based 3D printing material and preparation method thereof

The invention provides a gypsum-based 3D printing material and a preparation method thereof. The gypsum-based 3D printing material is composed of a shell material structure and a core material structure solidified in the shell material structure. The shell material structure is formed by curing a ph...

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Bibliographische Detailangaben
Hauptverfasser:	DENG WEISHAN, HUANG XU, MA BAOGUO, CAI PEIGEN, LI XIANGGUO, JIAN SHOUWEI, HUANG JIAN, TAN HONGBO
Format:	Patent
Sprache:	chi ; 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 ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS REFRACTORIES SLAG THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	The invention provides a gypsum-based 3D printing material and a preparation method thereof. The gypsum-based 3D printing material is composed of a shell material structure and a core material structure solidified in the shell material structure. The shell material structure is formed by curing a photosensitive resin system through ultraviolet irradiation in the 3D printing process. The core material structure is formed by curing a gypsum system through infrared radiation in the 3D printing process, and the photosensitive resin system and the gypsum system are coaxially extruded in the 3D printing process. According to the gypsum-based 3D printing material disclosed by the invention, the photosensitive resin system cured by ultraviolet irradiation is used as the shell material structure; the gypsum system cured by infrared radiation is used as the core material structure; the photosensitive resin system and the gypsum system are simultaneously extruded by adopting a coaxial extrusion method, so that the inter