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| Main Authors: | , , , , , , , |
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| Format: | Artículo Open Access |
| Published: |
Wiley
2026
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| Subjects: | |
| Online Access: | https://4spepublications.onlinelibrary.wiley.com/doi/10.1002/pc.71121 |
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Table of Contents:
- Tribological Properties of PTFE Composites Reinforced With Attapulgite‐Loaded Layered Double Hydroxides Jikai Xie Zhi Hao Hong Yin Zhu Luo Qiuyu Zhao Hankuo Wu Ruhui He Le Yang Polymer Composites ABSTRACT Polytetrafluoroethylene (PTFE) is a vital self‐lubricating engineering material with exceptional chemical stability and inherent low friction, yet its inferior mechanical properties and high volumetric wear rate (16.517 × 10 −13 m 3 /(N m) for pure PTFE) severely restrict engineering applications. To mitigate this, a core–shell nanofiller (ATP@LDHs) was synthesized via in situ coprecipitation, via uniform deposition of layered double hydroxides (LDHs) on attapulgite (ATP) nanorods. The nanofiller was incorporated into PTFE to fabricate a PTFE‐based composite via cold‐press sintering. The resultant composite exhibits a 116‐fold reduction in volumetric wear rate (to 0.142 × 10 −13 m 3 /(N m)), a low stable friction coefficient of 0.17, and enhanced matrix tensile strength, elongation at break, compressive strength, and hardness. This outstanding performance stems from a synergistic dual mechanism: ATP@LDHs reinforces the PTFE matrix and induces a tribo‐induced robust, wear‐resistant transfer film. This work provides a promising strategy to develop high‐performance polymer composites tailored for extreme service conditions. 10.1002/pc.71121 http://onlinelibrary.wiley.com/termsAndConditions#vor