Study on the fabrication and tribological behavior of self-assembled functionalized graphene oxide in water
| Autor: | Junxiang Ma, Jiusheng Li, Jinyang Chen, Sissi de Beer, Xiangqiong Zeng, Li Zhang, Xiaojun Zhang, Hanglin Li, Yazhuo Shang, Honglai Liu, Ilse de Vries, Chang Liu |
|---|---|
| Přispěvatelé: | Sustainable Polymer Chemistry, MESA+ Institute, Materials Science and Technology of Polymers |
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
Materials science
Fabrication Oxide 02 engineering and technology engineering.material 010402 general chemistry 01 natural sciences law.invention Coating chemistry.chemical_compound Colloid and Surface Chemistry law Oxidation Curing (chemistry) Aqueous solution Graphene Tribology 021001 nanoscience & nanotechnology 0104 chemical sciences Functionalized graphene oxide Tribological properties Chemical engineering chemistry engineering Surface modification 0210 nano-technology |
| Zdroj: | Colloids and surfaces A: Physicochemical and engineering aspects, 616:126153. Elsevier |
| ISSN: | 0927-7757 |
| Popis: | A new lubricating coating with functionalized graphene oxide (fGO) consisting of graphene oxide (GO) with different oxidation degrees, n-octylamine basal plane functionalized GO (bGO), and edge functionalized GO (eGO) was developed with or without 3-aminopropyltrimethoxysilane (APTMS) to reduce friction in macroscale contact with water. The optimal preparation condition of the coating was obtained by the single factor evaluation of a series of factors (20 % APTMS aqueous solution, 12 h immersion time, 0.05 mg/mL GO aqueous solution, and 100 °C curing temperature). The effect of the oxidation degree and functionalization of GO on the friction-reducing and anti-wear behavior of the coating was explored. The coatings with a higher GO oxidation degree exhibited better friction-reduction and anti-wear performance. In addition, the friction-reducing capability of the APTMS-bGO coating was greater than that of APTMS-eGO. |
| Databáze: | OpenAIRE |
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