Abstract Concentrated Polymer Brushes (CPBs) have great potential to improve tribological properties under severe sliding conditions, even at the macroscopic scale, and thus are expected to apply to mechanical sliding components. However, the durability of CPBs has remained as a challenge for industrial applications. Here, we focused on a combination of CPBs and surface texturing technology to increase their durability. In this work, the effects of surface texturing, such as geometrical patterns on the durability of CPBs under severe sliding conditions, were investigated. The results demonstrate that applying a surface texture onto a substrate of CPBs can effectively improve the friction durability of CPBs because the polymers inside the textures, which have a locally milder contact condition, are prone to survive. By applying an appropriate surface texture, we achieved up to a 36% increase in durability.

中文翻译：

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表面纹理对聚合物浓缩刷耐久性的影响

摘要 浓缩聚合物刷（CPBs）在严重滑动条件下甚至在宏观尺度上具有改善摩擦学性能的巨大潜力，因此有望应用于机械滑动部件。然而，CPB 的耐用性仍然是工业应用的一个挑战。在这里，我们专注于 CPB 和表面纹理技术的结合，以提高其耐用性。在这项工作中，研究了表面纹理的影响，例如几何图案在严重滑动条件下对 CPB 耐久性的影响。结果表明，将表面纹理应用到 CPB 基材上可以有效提高 CPB 的摩擦耐久性，因为纹理内部的聚合物具有局部较温和的接触条件，易于存活。