Structure–Property Relationship of Polyetherimide Fibers Filled with Carbon Nanoparticles

Autor:	G. V. Vaganov, Vladimir Yu Elokhovskiy, Elena N. Popova, Igor Kasatkin, Elena M. Ivan’kova
Jazyk:	angličtina
Rok vydání:	2020
Předmět:	Materials science Nanocomposite Carbon nanofiber Carbon Nanoparticles General Chemical Engineering Structure property General Chemistry Carbon nanotube Polyetherimide Article Amorphous solid law.invention chemistry.chemical_compound Chemistry Chemical engineering chemistry law QD1-999
Zdroj:	ACS Omega ACS Omega, Vol 5, Iss 19, Pp 10680-10686 (2020)
ISSN:	2470-1343
Popis:	Nanocomposite fibers based on heat-resistant amorphous polyetherimide (PEI) were prepared by twin screw melt micro-extrusion. Vapor-grown carbon nanofibers (VGCFs) and single-wall carbon nanotubes (SWCNTs) were used as fillers which helped to achieve enhanced mechanical properties. The structure and mechanical properties of such nanocomposite fibers were studied. Electron microscopy and melt rheology data revealed a uniform distribution of the nanofillers throughout the volume of the fibers. Wide-angle X-ray scattering showed that the orientational drawing of the nanocomposite fibers led to an improved orientation of the filler particles along the fiber axis. VGCFs or SWCNTs increased the tensile strength and modulus (by ∼275 MPa and ∼5 GPa, respectively) in oriented nanocomposite fibers and decreased deformation at break. SWCNTs were found to be more effective reinforcers than VGCFs.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d33c6d62dfd3b6f9c779177d0113d9fa http://europepmc.org/articles/PMC7240814 Zobrazit plný text záznamu