TY - JOUR
T1 - UV-Cured PDMS for Oil Removal from Wastewater
AU - Sangermano, Marco
AU - Grieco, Antonio
AU - Noè, Camilla
AU - Rizza, Giancarlo
N1 - Publisher Copyright:
© 2022 Wiley-VCH GmbH.
PY - 2023/2/1
Y1 - 2023/2/1
N2 - The removal of oil from water is a worldwide challenge that must be faced to avoid irreversible marine habitat destruction. A novel fast and simple technique to obtain polydimethylsiloxane (PDMS) membranes is developed using the photopolymerization technique. The high reactivity of the acrylated PDMS formulation toward photo-induced free radical polymerization is assessed via the differential scanning photo-calorimetry (photo-DSC) technique. Two different membranes dense or porous are developed and investigated. Porous membranes, having 100–200 µm as pore size, are obtained using a low-cost environmentally friendly sodium chloride template. Thanks to the hydrophobic/oleophilic intrinsic characteristic of PDMS, the UV-cured membranes can selectively remove dodecane, selected as the target oil, from water. The dodecane sorption capability of both membranes is investigated and compared. Moreover, the membranes can be easily reused since the adsorbed oil can be recovered by simply compressing the membrane. Those PDMS sorbents show high mechanical stability after five adsorption/desorption cycles.
AB - The removal of oil from water is a worldwide challenge that must be faced to avoid irreversible marine habitat destruction. A novel fast and simple technique to obtain polydimethylsiloxane (PDMS) membranes is developed using the photopolymerization technique. The high reactivity of the acrylated PDMS formulation toward photo-induced free radical polymerization is assessed via the differential scanning photo-calorimetry (photo-DSC) technique. Two different membranes dense or porous are developed and investigated. Porous membranes, having 100–200 µm as pore size, are obtained using a low-cost environmentally friendly sodium chloride template. Thanks to the hydrophobic/oleophilic intrinsic characteristic of PDMS, the UV-cured membranes can selectively remove dodecane, selected as the target oil, from water. The dodecane sorption capability of both membranes is investigated and compared. Moreover, the membranes can be easily reused since the adsorbed oil can be recovered by simply compressing the membrane. Those PDMS sorbents show high mechanical stability after five adsorption/desorption cycles.
KW - PDMS
KW - UV-curing
KW - oil–water separation
KW - wastewater treatment
U2 - 10.1002/macp.202200345
DO - 10.1002/macp.202200345
M3 - Article
AN - SCOPUS:85141962388
SN - 1022-1352
VL - 224
JO - Macromolecular Chemistry and Physics
JF - Macromolecular Chemistry and Physics
IS - 4
M1 - 2200345
ER -
