Abstract
Segmented polyurethanes, introduced as new elastomeric materials for biomedical application in 19671 , have found increasing attention as blood-compatible materials for vascular repair and cardiovascular devices2–6. These thermoplastic elastomers are block copolymers generally composed of short polyurethane sequences (from aromatic diisocyanates extended with low molecular weight diols or diamines, hard segments) connected to long and flexible polyether or polyester chains (soft segments). These materials show a combination of properties not easily available in other materials: high modulus of elasticity and resistance to flex-fatigue6,7, together with a considerable degree of blood compatibility which has been the subject of various investigations2,8–11.
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References
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© 1986 Plenum Press, New York
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Tanzi, M.C., Albonico, P., Barozzi, C., Bolognesi, A., Fumero, R., Tieghi, G. (1986). Heparinizable Segmented Polyurethanes for Cardio-Vascular Applications. In: Chiellini, E., Giusti, P., Migliaresi, C., Nicolais, L. (eds) Polymers in Medicine II. Polymer Science and Technology, vol 34. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-1809-5_7
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DOI: https://doi.org/10.1007/978-1-4613-1809-5_7
Publisher Name: Springer, Boston, MA
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