Lamellar sodium-montmorillonite (NaMMT)

was used as reinforcing filler to improve the abrasion resistance of polyethersulfone (PES)/polytetrafluoroethylene (PTFE)-based polymers. As filler, the interlayer distance of NaMMT was decreased from 1.523 to 0.995 nm, resulting from the evaporation of interlayer water during the heat treating of composites. The abrasion resistance of PES/PTFE-based composite was effectively improved by introducing NaMMT, attributing to the load bearing of NaMMT on the worn surface. The polymer sample with 20 wt% NaMMT exhibited the best anti-wear performance, which is ascribed to its densification worn morphology. In addition, unlike the pure PTFE transfer films formed for the PTFE and PES/PTFE compounds, NaMMT is also involved in the PTFE transfer film of NaMMT/PES/PTFE compounds. It is inferred that the self-lubricating property of PTFE transfer film is destroyed because of the introduction of NaMMT, leading to that the friction coefficient of NaMMT/PES/PTFE compounds was a little larger than those of PTFE and PES/PTFE compounds.

层状钠蒙脱石 (NaMMT)

用作增强填料以提高聚醚砜（PES）/聚四氟乙烯（PTFE）基聚合物的耐磨性。作为填料，NaMMT 的层间距从 1.523 nm 减小到 0.995 nm，这是由于复合材料热处理过程中层间水的蒸发所致。PES/PTFE基复合材料的耐磨性通过引入NaMMT有效提高，归因于NaMMT在磨损表面的承载。含有 20 wt% NaMMT 的聚合物样品表现出最好的抗磨性能，这归因于其致密化磨损形态。此外，与PTFE和PES/PTFE复合物形成的纯PTFE转移膜不同，NaMMT也参与到NaMMT/PES/PTFE复合物的PTFE转移膜中。