Abstract
The biomaterials are intended to augment or replace the function of tissues or organs in human body. Every year millions of people require soft- or hard-tissue regeneration worldwide. Polymers and their composites are a large class of biomaterials appreciated for tissue regeneration. Polyurethane (PUR) is an organic synthetic multifunctional polymer with established biomedical applications. The hydroxyapatite (HA) is one of the biocompatible ceramic materials similar to natural bone material. The amalgamation of hydroxyapatite with polyurethane enhances the bioactivity of final product along with the combination of individual properties. Here, we review the synthesis, characterization, and applications studies of HA/PUR-based biomaterials. We initiate this review with a brief and representative compilation of the chemical composition and methods of preparation for HA/PUR biomaterials. Then, moving ahead, first, we review the simple HA/PUR biomaterials and use of PUR templates. Second, we review the significance of modified HA and PUR in these biomaterials. Third, we discuss the potential of bio-based PUR and inclusion of third constituent in the HA/PUR biomaterials. Then, we appraise the involvement of trace nutrient in deposition of HA on PUR scaffolds. Finally, we consider the other expedient applications of HA/PUR composites such as drug delivery system and sorbent of pollutants.
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Adapted from Selvakumar et al. (2016b)
Adapted from Luo et al. (2014)
Adapted from Hill et al. (2007)
Adapted from Yang et al. (2015)
Adapted from Bizari et al. (2011)
Adapted from Xie et al. (2017)
Adapted from Song et al. (2017)
Adapted from Dong et al. (2009)
Adapted from Selvakumar et al. (2016b)
Adapted from Nirmala et al. (2011)
Adapted from Wang et al. (2017)
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Sultan, M. Hydroxyapatite/polyurethane composites as promising biomaterials. Chem. Pap. 72, 2375–2395 (2018). https://doi.org/10.1007/s11696-018-0502-y
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DOI: https://doi.org/10.1007/s11696-018-0502-y