LILIANA ROZEMARIE MANEA, ROXANA SCARLET,ION SANDU<br>Analysis of Electrospun Nanofibers Flaws from Polymeric Solution of Polyetherimide

LILIANA ROZEMARIE MANEA, ROXANA SCARLET,ION SANDU
Analysis of Electrospun Nanofibers Flaws from Polymeric Solution of Polyetherimide

Abstract:

Any activity dedicated to the evaluation and amplification of qualitative level is based on a deep and systematic analysis of flaws. This represents in fact an analysis of quality by means of non-quality. Utilization of a new polymer with a specific structure as a raw material needs a study on the flaws appeared on the surface of fibrous deposits. The analysis of non-quality is related to the determination and characterization of the appeared flaws and the analysis of the causes which generate them, such as: the raw material through its characteristics, the equipment by its technological and constructive parameters, environmental parameters, as well as lack of correlation between the specified parameters and characteristics. The present paper contains a study related to a series of flaws appeared through electrospinning of a polymeric solution of polyetherimide (PEI) with a concentration of 12%, using as solvent a mixture of dimethylacetamide/tetrahydrofuran (DMAC/THF), 1:1 ratio. Fibers obtained through electrospinning were studied by Scanning Electron Microscope method to analyze the appeared flaws in correlation with their technical and technological causes. Keywords: electrospinning, nanofibers, polyetherimide, flaws, SEM

Issue: 2015, Volume 66, Issue 10

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