Wide Angle X-ray Scattering as a Technique of Choice to Probe Asphaltene Hierarchical Structures.

Clicks: 273
ID: 86052
2020
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Abstract
Bitumens are composite systems extensively used in road pavements. Due to their complex nature, a rational understanding of the relationships between composition, structure and performances of these materials is still far from being achieved, so research attempting to shed more light in this field is required. Here, we exploit Wide Angle X-ray Scattering (WAXS) as a technique of choice to shed light on the bitumen structure at different length scales. Diagnostic fingerprints, characterizing the WAXS profile, are correlated to specific Bragg distances which can be reasonably attributed to the molecular and supramolecular aggregation taking place at various levels of complexity leading to the formation of hierarchical structures. Due to the inherent instability of these materials some indications are given to obtain reliable structural data.
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calandra2020widejournal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Calandra, Pietro;Liveri, Vincenzo Turco;Caputo, Paolino;Teltayev, Bagdat;Rossi, Cesare Oliviero;
Journal Journal of nanoscience and nanotechnology
Year 2020
DOI
10.1166/jnn.2020.17868
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