Magnetite-Loaded Thermosensitive Nanogels for Bioinspired Lubrication and Multimodal Friction Control
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- 作者：Guoqiang Liu ; Meirong Cai ; Xiaolong Wang ; Feng Zhou ; Weimin Liu
- 刊名：ACS Macro Letters
- 出版年：2016
- 出版时间：January 19, 2016
- 年：2016
- 卷：5
- 期：1
- 页码：144-148
- 全文大小：345K
- ISSN：2161-1653
文摘
The ability to control friction is quite attractive for many applications. Other than mechanical/physical methods to control friction, this letter shows how materials chemistry can regulate friction effectively. Magnetite-loaded thermosensitive poly(N-isopropylacrylamide) nanogels (Fe3O4@PNIPAM) were synthesized as nanoparticulate soft matter to reduce friction when it is used as an additive in aqueous lubricant. Interestingly, friction can be multiply regulated by temperature, magnetism, and near-infrared light through manipulating the colloidal properties of multifunctional composite nanogels in bulk solution and at the frictional interface.