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Preparation and Tribological Study of Biodegradable Lubrication Films on Si Substrate.


ABSTRACT: A novel method for preparing eco-biodegradable lubricant based on hydroxypropyl methylcellulose (HPMC) via hydration process is demonstrated. The smooth and homogeneous HPMC coating has a uniform thickness (~35 μm). It has been demonstrated that the preparation parameters play a critical role in controlling the lubricating behavior of the coating; in addition, excess HPMC and water concentration suppress the tribology properties. Nevertheless, a remarkable friction-reduction and anti-wear performance has been obtained. Impressively, the preparation parameter of 5% HPMC + 30 mL water significantly improves lubricant performance and durability. A simple approach for the water-degradability evaluation of HPMC is proposed.

SUBMITTER: Shi SC 

PROVIDER: S-EPMC5507024 | biostudies-other | 2015 Apr

REPOSITORIES: biostudies-other

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