Polyurethane (PU) belongs to a unique class of polymers. Different properties of PU such as mechanical strength and biocompatibility can be enhanced by co-polymerizing it with different bio and synthetic polymers. It finds huge applications as micro-reactors for the fabrication of metal nanoparticles (MNPs) owing to the synergistic properties of both polyurethane and fabricated metal nanoparticles. Metal nanoparticles fabricated polyurethane have gained much attention in the last few years. These types of nanocomposites hyphenate the mechanical properties of polyurethane with the high surface-to-volume ratio of metal nanoparticles. Here, this review article briefly evaluates different methods of synthesis of polyurethane-based metal nanocomposites and their characterization via different techniques to evaluate their properties. Applications of these polyurethane based nanocomposite materials have also been described critically in different fields depending upon their catalytic, antimicrobial and antifungal potential. Future directions of these nanocomposite materials have also been described in the field of designing of nano-filters and nano-devices in order to attain environmental remediation and sustainability.

中文翻译：

---

金属纳米颗粒负载的聚氨酯纳米复合材料及其催化/抗菌应用：批判性评论


聚氨酯 (PU) 属于一类独特的聚合物。通过与不同的生物和合成聚合物共聚，可以增强 PU 的不同性能，例如机械强度和生物相容性。由于聚氨酯和制造的金属纳米粒子的协同特性，它作为制造金属纳米粒子（MNP）的微反应器有着巨大的应用。金属纳米颗粒制造的聚氨酯在过去几年中引起了广泛关注。这些类型的纳米复合材料将聚氨酯的机械性能与金属纳米粒子的高表面积与体积比结合起来。在这里，这篇综述文章简要评估了聚氨酯基金属纳米复合材料的不同合成方法，并通过不同的技术对其进行表征，以评估其性能。这些基于聚氨酯的纳米复合材料的应用也根据其催化、抗菌和抗真菌潜力在不同领域得到了严格的描述。这些纳米复合材料的未来方向也已在纳米过滤器和纳米装置的设计领域中得到描述，以实现环境修复和可持续性。