Zwitterionic microgel-functionalized gallium-based liquid-metal nanodroplets as aqueous lubricant additives

Baoluo He, Peng Wang, Qi Lu, Yixuan Du, Shujuan Liu, Qian Ye, Feng Zhou, Weimin Liu

科研成果: 期刊稿件文章同行评审

35 引用 (Scopus)

摘要

Herein, a bioinspired molecule-dopamine n-butenylamide-was self-assembled on Gallium-based liquid metal (GLM) nanodroplets to introduce vinyl group, and the zwitterionic poly (2-methylacryloxyethyl phosphocholine) (PMPC) was grafted onto GLM nanodroplets via surface-initiated free radical polymerization to obtain hybrid PMPC-GLM microgel. The as-prepared PMPC-GLM microgel has good dispersion stability in aqueous solution (chemical stability > 2 months), and shows excellent antibacterial properties due to the hydration of PMPC and antibacterial effect of Ga3+. Moreover, the hydration layer endows PMPC-GLM microgel with satisfactory tribological properties as an aqueous lubricant additive, with the COF and wear rate reduced by 65% and 62%. In addition to hydration lubrication, the improved tribological performance is attributed to the formation of protective film on the worn surface.

源语言英语
文章编号107952
期刊Tribology International
177
DOI
出版状态已出版 - 1月 2023

指纹

探究 'Zwitterionic microgel-functionalized gallium-based liquid-metal nanodroplets as aqueous lubricant additives' 的科研主题。它们共同构成独一无二的指纹。

引用此