Hydraulic composition for additive manufacturing device, and method for manufacturing casting mold

• Main Authors: ISHII, YUSUKE, OHGI, YOSHIFUMI, OGAWA, YOJI, NAKA, SHINYA, NAKAZAKI, TAKESHI
• Format: Patent
• Language: Chinese; English
• Published: 01.06.2019
• Subjects: 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; CASTING; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; FOUNDRY MOULDING; LIME, MAGNESIA; METALLURGY; PERFORMING OPERATIONS; POWDER METALLURGY; REFRACTORIES; SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER; SLAG; TRANSPORTING; TREATMENT OF NATURAL STONE; WORKING CEMENT, CLAY, OR STONE

The present invention is a hydraulic composition for an additive manufacturing device, the composition having superior dimensional stability and initial flexural strength, and the composition including 1.5-14 parts by mass of a polymer per 100 parts by mass of an inorganic binder. The present invention preferably is a hydraulic composition for an additive manufacturing device, the inorganic binder including 50-100 mass% of calcium aluminates, where the entirety of the inorganic binder is 100 mass%, and more preferably is a hydraulic composition for an additive manufacturing device, the inorganic binder including 0-50 mass% of a rapid-hardening cement, where the entirety of the inorganic binder is 100 mass%.