Synthesis and adsorption study of hyper-crosslinked styrene-based nanocomposites containing multi-walled carbon nanotubes

Abstract

New nanocomposite microporous materials obtained by adding functionalized multi-walled carbon\ud nanotubes (MWCNT) to styrene/vinylbenzyl chloride/divinylbenzene hyper-crosslinked resins were\ud prepared and characterized. In order to promote the embedding of the MWCNT within the gel-type\ud precursor, a suitable surface modi\ud fi\ud cation strategy was set up, based on the grafting of a poly(vinylbenzyl\ud chloride) (PVBC) resin, able to participate in the hyper-crosslinking step, onto the nanotube surface.\ud Characterization of the nanocomposites by FTIR spectroscopy and electron microscopy enabled the\ud assessment of the e\ud ff\ud ect of the nanotubes on the structure and the morphology of the resin. Moreover,\ud gas sorption measurements indicated that by addition of nanotubes it is possible to modulate the pore\ud size distribution, the uptake of CO\ud 2\ud and H\ud 2\ud and the CO\ud 2\ud /N\ud 2\ud selectivity. Finally, modi\ud fi\ud ed MWCNT are also\ud able to improve the adsorption capacity of phenol from water solutions, suggesting the possible\ud application of the new microporous nanocomposites for water remediati

Hyper-Crosslinked Polymer Nanocomposites Containing Mesoporous Silica Nanoparticles with Enhanced Adsorption Towards Polar Dyes

“…Moreover, through this procedure, the embedding and dispersion of different inorganic nanofillers was exploited as a successful strategy to tune specific properties of the resin. Several HCLR-based nanocomposites have been synthesized [ 15 ], either to modify the textural or adsorption properties of the resin [ 14 , 16 ], or to transfer to the high surface area resin specific features of the nanofillers, such as catalytic activity [ 17 , 18 ] or magnetic properties [ 19 ].…”

Effect of structure regulation of hyper-branched polyester modified carbon nanotubes on toughening performance of epoxy/carbon nanotube nanocomposites

“…However, due to their insolubility, non-melting, easy to tangle and agglomerate, and lack of surface functional groups, carbon nanotubes are difficult to process, as well as poor dispersibility and stability, poor compatibility with epoxy matrix materials limiting their application areas. 14,[18][19][20][21] An effective way to improve the dispersion and interfacial bonding properties of carbon nanotubes in epoxy matrix is surface chemical modication of carbon nanotubes. 5,13,15,22 Jin et al 23 acidied P-MWCNTs (pure carbon nanotubes) to obtain A-MWCNTs (acidied carbon nanotubes).…”

Adsorption behavior and kinetics of CO2 on amine‐functionalized hyper‐crosslinked polymer

“…To overcome these drawbacks, solid adsorbents are proposed as a potential candidate to replace aqueous amine for CO 2 capture owing to their large adsorption amount and stable regeneration performance. Up to now, different types of solid adsorbents have been comprehensively researched in carbon dioxide capture, such as zeolites, porous carbon, SiO 2 , metal organic frameworks (MOFs) and hyper‐crosslinked polymers (HCPs) …”