Photopolymers for Rapid Prototyping of Soluble Mold Materials and Molding of Cellular Biomaterials |
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Authors: | Monika Schuster Robert Inführ Claudia Turecek Jürgen Stampfl Franz Varga Robert Liska |
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Affiliation: | (1) Division of Macromolecular Chemistry, Institute of Applied Synthetic Chemistry, Vienna University of Technology, Vienna, Austria;(2) Ludwig Boltzmann Institute of Osteology at the Hanusch Hospital of WGKK and AUVA Trauma Centre Meidling, 4th Med. Dept, Hanusch Hospital, Vienna, Austria;(3) Institute of Materials Science and Testing, Vienna University of Technology, Vienna, Austria |
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Abstract: | Summary. To substitute cross-linked photopolymers in rapid prototyping of mold materials and therefore extend the range of materials which can be casted, organo-soluble photopolymers were developed. Branched bisalkylacrylamides were suitable as base component for such formulations, due to their high reactivity, good mechanical properties, and excellent solubility of the formed polymers. These molding materials were used to prepare cellular biocompatible materials which could be used as bone replacement materials. Biocompatible crosslinkers based on methacrylates from hydrolyzed gelatine or lactic acid ethyleneglycol blockcopolymers and commercially available reactive diluents are the base components of such a formulation. Biocompatibility was investigated by osteoblast-like cells. Cellular biocompatible parts were obtained by thermal polymerization in soluble mould materials prepared by 3D-photoshaping. |
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Keywords: | . Polymerization Photochemistry Rapid prototyping Acrylates Biophotopolymers. |
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