Carbon nanotubes as fast-thickening agents in polyalphaolefin greases: Partial crystallinity and intertube joints toward multifunctionality
Artykuł w czasopiśmie
MNiSW
100
Lista 2023
| Status: | |
| Autorzy: | Boncel Sławomir, Kałużny Jarosław , Różański Jacek , Strzemiecka Beata , Runka Tomasz , Wojciechowski Łukasz , Kujawa Joanna , Korczeniewski Emil , Terzyk Artur P. , Błaszkiewicz Paulina , Marek Adam A., Kolanowska Anna, Jędrysiak Rafał G., Ruczka Szymon , Dzido Grzegorz , Giżewski Tomasz |
| Dyscypliny: | |
| Aby zobaczyć szczegóły należy się zalogować. | |
| Rok wydania: | 2023 |
| Wersja dokumentu: | Drukowana | Elektroniczna |
| Język: | angielski |
| Numer czasopisma: | Part A |
| Wolumen/Tom: | 391 |
| Numer artykułu: | 123215 |
| Strony: | 1 - 10 |
| Impact Factor: | 5,3 |
| Web of Science® Times Cited: | 1 |
| Scopus® Cytowania: | 1 |
| Bazy: | Web of Science | Scopus |
| Efekt badań statutowych | NIE |
| Finansowanie: | The authors are very grateful for the financial support from the National Science Centre (Poland) grant No. 2020/39/B/ST5/02562 in the framework of the OPUS-20 program. A.A.M., A.K., R.G.J., and S.R. also acknowledge the supporting actions from the (European Union’s) EU’s Horizon 2020 ERA-Chair project ExCEED, grant agreement No. 952008. The authors acknowledge the support of Scientific Writing Assistant release 1.18 SWAN® and Free Grammar Checker QuillBot AI working in academic mode. |
| Materiał konferencyjny: | NIE |
| Publikacja OA: | TAK |
| Licencja: | |
| Sposób udostępnienia: | Witryna wydawcy |
| Wersja tekstu: | Ostateczna wersja opublikowana |
| Czas opublikowania: | W momencie opublikowania |
| Data opublikowania w OA: | 3 października 2023 |
| Abstrakty: | angielski |
| Scalable and economic manufacturing of carbon nanotube (CNT) greases addresses the current challenges of nanofluids. The key problems remain the complex and non-obvious nature of nanotube-base fluid interactions with the diversity of nanotube morphological variants as the main aspect. Here, we prove that successful formation of stable and multifunctional CNT-polyalphaolefin (PAO) greases is possible only by employing two types of multi-wall CNTs (MWCNTs) as the thickening as well as thermo- and electro-active agents, i.e., (1) thin, entangled, less crystalline nanotubes and (2) thick nanotubes connected via few-mismatched-layer graphenoid joints. Using mechanical spectroscopy, SEM, TEM, Raman spectroscopy, inverse gas chromatography (IGC), and Hansen solubility parameters, we analyze the mechanisms governing fast-thickening behavior and CNT-PAO affinities, revealing a reversible formation of a 3D CNT-network which mimics a mesh of the conventional lithium soaps. Finally, we reveal the multifunctionality of the CNT-PAO greases, expressed in as high as 58%- and 700%-enhancements of thermal and alternating current conductivity, respectively, compared to PAO base fluid. |
