MATERIAL FOR THE ADDITIVE PRODUCTION OF THREE-DIMENSIONAL OBJECTS AND METHOD FOR THE PRODUCTION AND USE THEREOF

• Main Authors: Veit, Thomas, Civelek, Emre
• Format: Patent
• Language: English; French; German
• Published: 29.12.2021
• 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; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; AMUSEMENTS; APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING,CLIMBING, OR FENCING; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE; BALL GAMES; BANDAGES, DRESSINGS OR ABSORBENT PADS; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES; DEAF-AID SETS; DENTISTRY; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; FILTERS IMPLANTABLE INTO BLOOD VESSELS; FIRST-AID KITS; FOMENTATION; GAMES; HUMAN NECESSITIES; HYGIENE; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES; MEDICAL OR VETERINARY SCIENCE; METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; PERFORMING OPERATIONS; PROSTHESES; PUBLIC ADDRESS SYSTEMS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; SPORTS; TRAINING EQUIPMENT; TRANSPORTING; TREATMENT OR PROTECTION OF EYES OR EARS; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

A transparent, elastic, and biocompatible 1K silicone for additive manufacturing that can be printed by stereolithographic processes, includes at least25-75% by weight of a monomeric or oligomeric dimethacrylate based on silicone or silicone urethanes having a viscosity of <100 Pa·s,20-50% by weight of one or more monomeric/oligomeric cyclic (meth)acrylates having a viscosity of <0.5 Pa·s,1-25% by weight of silicone oil having a viscosity of <1 Pa·s,0.5-20% by weight of fillers with a particle size of <100 μm,0.1-5% by weight of one or a combination of a plurality of photoinitiators whose absorption is in the wavelength range of the laser beam or irradiation source used.