Page 79 - 摩擦学学报2025年第5期

第 5 期 李东伟, 等: 基础油分子结构对多孔聚酰亚胺含油特性及两者复合体系润滑机理的影响 713

孔聚酰亚胺材料两者复合润滑机理的作用变化规律. 2021.127989.
本文中采用已成熟的工艺制备了多孔聚酰亚胺材料 [ 5 ] Chen Hao, Zhang Yi, Gao Kai, et al. Ultralow friction polymer
composites enabled by the solid–liquid core microcapsules at high
PPI (YS-20)，选择不同结构的3种基础油PAO10、DIOS
temperatures[J]. Chemical Engineering Journal, 2023, 476: 146780.
和PEG400对其浸渍，探究并建立不同结构基础油对
doi: 10.1016/j.cej.2023.146780.
多孔聚酰亚胺的含油特性影响内在关联；进一步模拟
[ 6 ] Zhang Lin, Xie Guoxin, Wu Shuai, et al. Ultralow friction polymer
含油PPI的实际工况，系统研究含3种不同基础油的 composites incorporated with monodispersed oil microcapsules[J].
PPI摩擦学行为，揭示不同基础油与PPI固-液复合润滑 Friction, 2021, 9(1): 29–40. doi: 10.1007/s40544-019-0312-4.
机制，阐明不同基础油的结构和复合体系的协同规律. [ 7 ] Wang Huaiyuan, Li Meiling, Liu Dujuan, et al. Tribological
论文中旨在突破传统工艺对制备兼具小孔径(含油保 properties tests and simulations of the nano-micro multilevel porous
持率)和高孔隙率(含油率)的PPI固有矛盾，以基础油 self-lubricating PEEK composites with ionic liquid lubrication[J].
Journal of Materials Science, 2016, 51(8): 3917–3927. doi: 10.1007/
的结构选择优化为突破口，为多孔含油PPI的长寿命
s10853-015-9711-8.
润滑设计提供重要参考. 综合本研究中的摩擦性能测
[ 8 ] Kultamaa M, Mönkkönen K, Saarinen J J, et al. Self-lubrication of
试条件及接触方式，所得结论如下：
porous metal injection molded (MIM) 17-4PH stainless steel by
a. 相同的PPI孔结构参数，不同结构的基础油对 impregnated paraffin wax[J]. Tribology International, 2022, 174:
PPI的含油特性存在重要影响. 基础油极性越大，PPI 107735. doi: 10.1016/j.triboint.2022.107735.
的含油率越高，其含油保持率也越强. [ 9 ] Salam A, Xie Guoxin, Guo Dan, et al. Fabrication and tribological
b. 相比PAO10和DIOS，含极性较大基础油PEG400 behavior of self-lubricating composite impregnated with synthesized
inorganic hollow fullerene-like MoS 2 [J]. Composites Part B:
的PPI，两者复合体系不但具有较低的摩擦系数，而且
Engineering, 2020, 200: 108284. doi: 10.1016/j.compositesb.2020.
还表现出了良好的抗磨性能.
108284.
c. 在摩擦过程中，PPI表面的多孔结构能够促进
[10] Wang Yurong, Cai Meirong, Xing Ximin, et al. Preparation and
润滑油的释放与回吸循环. 然而，这一过程容易受到
performance of gel-impregnated bearing self-lubricating material[J].
包含在润滑油中的“黑色物质”的影响，导致一定程度 Tribology, 2022, 42(4): 792–802 (in Chinese) [王玉荣, 蔡美荣, 邢
的破坏. 该黑色物质主要包含对偶金属的氧化磨屑、 喜民, 等. 含浸凝胶自润滑轴承材料的制备及性能研究[J]. 摩擦学
润滑油的催化分解物、再交联反应物以及PI自身结构 学报, 2022, 42(4): 792–802]. doi: 10.16078/j.tribology.2021069.
[11] Xu Xing, Guo Rui, Shu Xianwei, et al. One-pot fabrication of ultra-
的摩擦催化降解物.
high oil content rate self-lubricating polymer via pre-embedding oil-
impregnated fibres[J]. Composites Communications, 2022, 31:
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