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Open AccessArticle

Biopolymer Green Lubricant for Sustainable Manufacturing

by Shih-Chen Shi 1,* and Fu-I Lu 2,3
1
Department of Mechanical Engineering, National Cheng Kung University (NCKU), No. 1 University Road, Tainan 70101, Taiwan
2
Institute of Biotechnology, College of Bioscience and Biotechnology, National Cheng Kung University, Tainan 701, Taiwan
3
Department of Biotechnology and Bioindustry Sciences, College of Bioscience and Biotechnology, National Cheng Kung University, Tainan 701, Taiwan
*
Author to whom correspondence should be addressed.
Academic Editor: Marek Kowalczuk
Materials 2016, 9(5), 338; https://doi.org/10.3390/ma9050338
Received: 15 March 2016 / Revised: 26 April 2016 / Accepted: 27 April 2016 / Published: 5 May 2016
(This article belongs to the Special Issue Biodegradable and Bio-Based Polymers)
We report on the preparation of a biopolymer thin film by hydroxypropyl methylcellulose (HPMC), which can be used as a dry green lubricant in sustainable manufacturing. The thin films were characterized through scanning electron microscopy, energy-dispersive spectroscopy, and Raman spectroscopy; the films showed desirable levels of thickness, controllability, and uniformity. Tribology tests also showed desirable tribological and antiwear behaviors, caused by the formation of transfer layers. Zebrafish embryo toxicity studies showed that HPMC has excellent solubility and biocompatibility, which may show outstanding potential for applications as a green lubricant. The results of the present study show that these techniques for biopolymer HPMC provide an ecologically responsible and convenient method for preparing functional thin films, which is particularly applicable to sustainable manufacturing. View Full-Text
Keywords: biopolymer; green lubricant; HPMC; sustainable manufacturing; transfer layer; biocompatibility; toxicity; zebrafish embryo biopolymer; green lubricant; HPMC; sustainable manufacturing; transfer layer; biocompatibility; toxicity; zebrafish embryo
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Shi, S.-C.; Lu, F.-I. Biopolymer Green Lubricant for Sustainable Manufacturing. Materials 2016, 9, 338.

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