20.500.12556/RUL-116530 Nano-mesh superstructure in single-walled carbon nanotube/polyethylene nanocomposites, and its impact on rheological, thermal and mechanical properties The mesh formation of single-walled carbon nanotube (SWCNT) superstructure, i.e. nano-mesh, in low- and high-density polyethylene (LDPE and HDPE) matrices was observed by using plasma etching technique and SEM analysis. Nano-mesh was established by two mechanisms: i) alignment of SWCNT bundles (forming network backbone) and ii) shish-kebab induced crystallization (forming network net). The network was formed at low SWCNT content due to the high aspect ratio of nano-filler, which additionally contributed to alignment. Established nano-mesh superstructure caused confinement effect disrupting crystallization and melting kinetics, which directly affected mechanical properties. Although mechanical properties of LDPE and HDPE nanocomposites profoundly improved, i.e. Young's modulus increased for 230% and 30%, respectively, at only 1 wt% of SWCNTs, HDPE nanocomposites showed visible confinement that reduced effective reinforcement. It seems that HDPE nanocomposites cannot achieve full reinforcing potential since confinement effect restricts the crystal growth, which gradually reduces effective reinforcement in semi-dilute regime. nanocomposites nano-structures physical properties physical methods of analysis nanokompoziti nano-strukture fizikalne lastnosti metode fizikalnih analiz true false true Angleški jezik Slovenski jezik Članek v reviji 2020-05-27 12:26:50 2020-05-27 12:26:55 2022-08-28 03:49:13 0000-00-00 00:00:00 2020 0 0 10 str. art. 105972 Vol. 136 Sep. 2020 0000-00-00 Zaloznikova Objavljeno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 620.3(045) 1359-835X 10.1016/j.compositesa.2020.105972 17053187 RAZ_Oseli_Alen_2020.pdf RAZ_Oseli_Alen_2020.pdf 1 6F7871AD7C00E96FC60BC122F946E688 55e49619e1b9135040dbb62d021b8c0a650e4526e77ac4a4b6c1237b5ba98656 e2e1f410-a1bb-11eb-a523-00155dcfd717 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=142227 https://www.sciencedirect.com/science/article/pii/S1359835X20302116 0 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=130152 Fakulteta za strojništvo 0 0 0