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Fabrication of functional carbon/magnetic nanocomposites as a promising model of utilization of used crosslinked polymers.
Materials 11:2595 (2018)
The utilization of used crosslinked functional polymers (CFP) applied as sorbents or ion-exchangers is a great challenge arising from the need to protect the environment. In this paper we report a very promising way of obtaining carbon/magnetic composites based on metal (Co2+; Ni2+; Fe3+) derivatives of butadiene rubber-based phosphorus-containing polymer, which were treated as the model used CFP. We proposed a facile one-step thermal degradation approach to transform used CFP into carbon/magnetic composites (CMC). The obtained CMCs contained a mixture of metal phosphates and metal phosphides that exhibited strong magnetic properties due to the presence of nanosized metal derivatives with diameters of 100-140 nm. Structural and morphological changes of CFP and CMC after thermal degradation were investigated by the FTIR technique, X-ray Diffraction analysis, Scanning Electron Microscope, and Atomic Force Microscope-Magnetic Force Microscope. Moreover, thermal degradation kinetics parameters were determined to optimize the efficiency of the process.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Phosphorus-containing Polymer ; Thermal Degradation ; Carbon/magnetic Composite ; Nanoparticles; Ion-exchange-resins; Phosphoric-acid; Oxidative Pyrolysis; Sorption Properties; Metal-ions; Degradation; Adsorption; Chemistry; Adsorbent; Kinetics
ISSN (print) / ISBN
1996-1944
Journal
Materials
Quellenangaben
Volume: 11,
Issue: 12,
Article Number: 2595
Publisher
MDPI
Publishing Place
Basel
Non-patent literature
Publications
Reviewing status
Peer reviewed