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Article

Soft Polymers for Building up Small and Smallest Blood Supplying Systems by Stereolithography

1
Fraunhofer Institute of Applied Polymer Research (IAP), Geiselbergstr 69, Potsdam 14476, Germany
2
Rheinisch-Westfälische Technische Hochschule Aachen, RWTH Aachen, Steinbachstraße 15, Aachen 52074, Germany
3
Fraunhofer Institute for Interfacial Engineering and Biotechnology (IGB), Nobelstraße 12, Stuttgart 70569, Germany
*
Author to whom correspondence should be addressed.
J. Funct. Biomater. 2012, 3(2), 257-268; https://doi.org/10.3390/jfb3020257
Received: 16 February 2012 / Revised: 16 March 2012 / Accepted: 20 March 2012 / Published: 29 March 2012
(This article belongs to the Special Issue Molecularly Imprinted Polymers in Biomedical Applications)
Synthesis 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). View Full-Text
Keywords: functional biopolymers; biocompatibility; biomedical devices; tissue devices; rapid prototyping functional biopolymers; biocompatibility; biomedical devices; tissue devices; rapid prototyping
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MDPI and ACS Style

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. https://doi.org/10.3390/jfb3020257

AMA Style

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. https://doi.org/10.3390/jfb3020257

Chicago/Turabian Style

Meyer, Wolfdietrich, Sascha Engelhardt, Esther Novosel, Burkhard Elling, Michael Wegener, and Hartmut Krüger. 2012. "Soft Polymers for Building up Small and Smallest Blood Supplying Systems by Stereolithography" Journal of Functional Biomaterials 3, no. 2: 257-268. https://doi.org/10.3390/jfb3020257

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