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Application of Polyurethane Materials in Bone Defect Repair
Weimo Han, Yahui Wang, Yin Li, Jianan Yan, Zhiqin Li, Di Huang
Prog Chem ›› 2025, Vol. 37 ›› Issue (8) : 1188-1203.
PDF(15449 KB)
PDF(15449 KB)
Application of Polyurethane Materials in Bone Defect Repair
Bone defects caused by accidents or diseases are a common and serious problem in orthopedic surgery. Finding ideal bone repair materials has become a hotspot in current bone tissue engineering. Polyurethane (PU) is a multiblock copolymer with a microphase-separated structure formed by alternating soft and hard segments. Its application properties - such as mechanical performance,biocompatibility,and biodegradability-can be tailored by adjusting the soft segment structure,hard segment ratio,crystallinity,and other factors,demonstrating broad prospects in the field of bone defect repair. This paper reviews recent research on the design,synthesis,modification,and biological performance of PU in bone tissue engineering,with a focus on its application progress in bone regeneration,including implantable scaffolds,injectable materials,and drug carriers. The aim is to provide more insights for the future design and clinical application of PU materials.
1 Introduction
2 Development of polyurethane
3 Synthesis of polyurethane
3.1 Main raw material
3.2 Main reaction pathways
4 Structure of polyurethane
5 Properties of polyurethane
5.1 Mechanical properties
5.2 Biological activity
5.3 Biodegradation
5.4 Shape memory properties
6 Applications of polyurethane in bone defects repairing
6.1 Implanted scaffold
6.2 Injected polyurethane
6.3 Drug carrier
7 Conclusion and outlook
polyurethane / bone repair / bone tissue engineering / functionalization / osteogenesis
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The contributions made by students Hu Qingbiao, Xi Jiawei, and Li Ruifang during the literature review.
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