Mesoporous silica as smart lubrication containers applied to self‐lubricating polyurethane materials,Journal of Applied Polymer Science

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Mesoporous silica as smart lubrication containers applied to self‐lubricating polyurethane materials
Journal of Applied Polymer Science ( IF 2.7 ) Pub Date : 2020-06-29 , DOI: 10.1002/app.49612
Jianbing Cui ₁ , Bo Mu ₁ , Baoping Yang ₁ , Jinfeng Cui ₁ , Junhong Guo ₁ , Li Tian ₁ , Xia Wang ₂

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Self‐lubricating composite with stimuli‐responsive properties attracts great interest in recent years. Herein, mesoporous silica (MS) as oil‐laden containers is explored to achieve self‐lubricating feature. The as‐prepared MS possesses a high Brunauer‐Emmett‐Teller (BET) surface area (1,542.35 m²/g), which satisfies the criterion for construction of ideal repository for storing enough liquid lubricants. In addition, the thermal stimuli‐responsiveness behavior of the oil‐laden mesoporous silica (OMS) for lubrication has been investigated by thermogravimetric analyzer tester. As expected, an excellent tribological performance (friction coefficient and wear rate decreased by 63.29 and 82.63%) is obtained by adding 10 wt% OMS into the polyurathene matrix, showing great promise for self‐lubricating application.

中文翻译：

介孔二氧化硅作为智能润滑容器，适用于自润滑聚氨酯材料

近年来，具有刺激响应特性的自润滑复合材料引起了人们的极大兴趣。在本文中，探索了作为含油容器的中孔二氧化硅（MS）以实现自润滑功能。所制备的MS具有较高的Brunauer-Emmett-Teller（BET）表面积（1,542.35 m ² / g），满足构建理想的储存足够液体润滑剂的标准。此外，通过热重分析仪测试了含油的介孔二氧化硅（OMS）的润滑热刺激响应行为。如预期的那样，通过向聚尿烷基质中添加10 wt％的OMS，可以获得出色的摩擦学性能（摩擦系数和磨损率分别降低63.29和82.63％），这显示出自润滑应用的巨大希望。

更新日期：2020-06-29

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