Soft Polymers for Building up Small and Smallest Blood Supplying Systems by Stereolithography
AbstractSynthesis of a homologous series of photo-polymerizable α,w-polytetrahydrofuranether-diacrylate (PTHF-DA) resins is described with characterization by NMR, GPC, DSC, soaking and rheometrical measurements. The curing speeds of the resins are determined under UV light exposure. Young’s modulus and tensile strength of fully cured resins show flexible to soft material attributes dependent on the molar mass of the used linear PTHF-diacrylates. Structuring the materials by stereo lithography (SL) and multiphoton polymerization (MPP) leads to tubes and bifurcated tube systems with a diameter smaller than 2 mm aimed at small to smallest supplying systems with capillary dimensions. WST-1 biocompatibility tests ofm polymer extracts show nontoxic characteristics of the adapted polymers after a washing process. Some polymers show shape memory effect (SME).
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Meyer, W.; Engelhardt, S.; Novosel, E.; Elling, B.; Wegener, M.; Krüger, H. Soft Polymers for Building up Small and Smallest Blood Supplying Systems by Stereolithography. J. Funct. Biomater. 2012, 3, 257-268.
Meyer W, Engelhardt S, Novosel E, Elling B, Wegener M, Krüger H. Soft Polymers for Building up Small and Smallest Blood Supplying Systems by Stereolithography. Journal of Functional Biomaterials. 2012; 3(2):257-268.Chicago/Turabian Style
Meyer, Wolfdietrich; Engelhardt, Sascha; Novosel, Esther; Elling, Burkhard; Wegener, Michael; Krüger, Hartmut. 2012. "Soft Polymers for Building up Small and Smallest Blood Supplying Systems by Stereolithography." J. Funct. Biomater. 3, no. 2: 257-268.