Application Potential of UHMWPE Based Composite Materials With MWCNTs and ZnO Addition in Acetabular Cup Prostheses

IF 2.7 3区化学 Q2 POLYMER SCIENCE

Journal of Applied Polymer Science Pub Date : 2025-02-18 DOI:10.1002/app.56893

Songquan Wang, Lu Yu, Yun Bo, Jiaqi Jia, Yudie Dong, Yuming Cui, Haiquan Li, Wenlu Hang

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引用次数: 0

Abstract

In order to improve the wear and aging resistance of UHMWPE based polymer acetabular cup prosthesis, the hot-embossing method is used to prepare multi-component MWCNTs/ZnO added UHMWPE based composite materials in this article. The research results found that the diffusion characteristics of MWCNTs/ZnO additives in composite materials have a significant impact on their wear resistance. Under the condition of 25% NBS, the wear rate of the UMZ-3 sample was 13.94% lower than that of the pure U sample. Although MWCNTs can play a role in reducing friction to a certain extent, their high hardness characteristics may lead to the release of the composite material as a third body during friction. The optimization of heat transfer performance of MWCNTs/ZnO composite materials has alleviated the aging process to a certain extent and suppressed the softening phenomenon. Compared with the OI value of the pure U sample, which is in the range of 1.4–5.1, the OI value of the UMZ-3 sample is in the range of 2.62–3.06. In addition, the synergistic effect of MWCNTs/ZnO effectively inhibits the oxidation process while also having a positive impact on cell proliferation, demonstrating its potential as an additive to enhance the service life of polymer acetabular cups.

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添加了 MWCNT 和氧化锌的超高分子量聚乙烯基复合材料在髋臼杯假体中的应用潜力

为了提高超高分子量聚乙烯基聚合物髋臼杯假体的耐磨性和耐老化性，本文采用热压花法制备了添加多组分 MWCNTs/ZnO 的超高分子量聚乙烯基复合材料。研究结果发现，复合材料中 MWCNTs/ZnO 添加剂的扩散特性对其耐磨性有显著影响。在 25% NBS 的条件下，UMZ-3 样品的磨损率比纯 U 样品低 13.94%。虽然 MWCNT 在一定程度上起到了降低摩擦的作用，但其高硬度特性可能会导致复合材料在摩擦过程中释放出第三体。MWCNTs/ZnO 复合材料传热性能的优化在一定程度上缓解了老化过程，抑制了软化现象。与纯 U 样品的 OI 值在 1.4-5.1 之间相比，UMZ-3 样品的 OI 值在 2.62-3.06 之间。此外，MWCNTs/ZnO 的协同效应在有效抑制氧化过程的同时，还对细胞增殖产生了积极影响，证明了其作为添加剂提高聚合物髋臼杯使用寿命的潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Applied Polymer Science 化学-高分子科学

CiteScore

5.70

自引率

10.00%

发文量

1280

审稿时长

2.7 months

期刊介绍： The Journal of Applied Polymer Science is the largest peer-reviewed publication in polymers, #3 by total citations, and features results with real-world impact on membranes, polysaccharides, and much more.