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Title: Characterization of carbon silica hybrid fillers obtained by pyrolysis of waste green tires by the STEM–EDX method

Dual phase carbon–silica hybrid fillers obtained by pyrolysis-cum-water vapor of waste green tires have been characterized by energy dispersive X-ray spectroscopy in a scanning transmission electron microscope, silicate analysis, weight analysis, atomic absorption spectroscopy and by inductively coupled plasma–optical emission spectroscopy. The results achieved have shown that the location and distribution of the phases in the carbon silica hybrid fillers as well as their most essential characteristics are influenced by the pyrolysis conditions. The carbon phase of the filler thus obtained is located predominantly in the space among silica aggregates which have already been existing while it has been formed by elastomer destruction in the course of pyrolysis. The presence of ZnS also has been found in the hybrid fillers investigated. - Highlights: • Dual phase fillers obtained by pyrolysis of waste green tires have been characterized. • The STEM–EDX method was used for characterization. • The phase distributions in the fillers are influenced by the pyrolysis conditions.
Authors:
 [1] ;  [2] ;  [1] ;  [1] ;  [2] ;  [3] ;  [4] ; ;  [3]
  1. Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah 21589 (Saudi Arabia)
  2. (Saudi Arabia)
  3. Department of Polymer Engineering, University of Chemical Technology and Metallurgy, 8 Kl. Ohridski Blvd., 1756 Sofia (Bulgaria)
  4. LEMAS, Institute for Materials Research, SPEME, University of Leeds, LS2 9JT (United Kingdom)
Publication Date:
OSTI Identifier:
22476054
Resource Type:
Journal Article
Resource Relation:
Journal Name: Materials Characterization; Journal Volume: 101; Other Information: Copyright (c) 2014 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; ABSORPTION SPECTROSCOPY; CARBON; DISTRIBUTION; EMISSION SPECTROSCOPY; FILLERS; PYROLYSIS; SILICA; TRANSMISSION ELECTRON MICROSCOPY; WASTES; WATER VAPOR; X-RAY SPECTROSCOPY; ZINC SULFIDES