Self-Healing Materials for Ecotribology

被引：23
|
作者：
Shi, Shih-Chen [1 ]
Huang, Teng-Feng [1 ]
机构：
[1] Natl Cheng Kung Univ, Dept Mech Engn, 1 Univ Rd, Tainan 70101, Taiwan
来源：
MATERIALS | 2017年 / 10卷 / 01期
关键词：
self-healing; hydroxypropyl methylcellulose (HPMC); biopolymer; green tribology; lubrication; sustainable manufacturing; TRIBOLOGICAL PROPERTIES; WEAR CHARACTERISTICS; VERSATILE APPROACH; LOW-FRICTION; OIL; FILMS; MECHANISMS; LUBRICANTS; NANOSHEETS; ADDITIVES;
D O I：
10.3390/ma10010091
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Hydroxypropyl methylcellulose (HPMC) is a biopolymer that is biodegradable, environmentally friendly, and bio-friendly. Owing to its unique chemical structure, HPMC can reduce the coefficient of friction (COF) and frictional wear and thus possesses excellent lubrication properties. HPMC has good dissolvability in specific solvents. The present research focuses on the reversible dissolution reaction subsequent to the film formation of HPMC, with a view to the healing and lubrication properties of thin films. Raman spectroscopy was used to test the film-forming properties of HPMC and the dissolution characteristics of various solvents. In this study, the solvents were water, methanol, ethanol, and acetone. The results showed that the HPMC film had the highest dissolvability in water. The ball-on-disk wear test was used to analyze the lubrication properties of HPMC, and the results showed that HPMC had the same COF and lubrication properties as the original film after being subjected to the water healing treatment. The HPMC film can be reused, recycled, and refilled, making it an ideal lubricant for next-generation ecotribology.
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页数：10
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