http://www.cnr.it/ontology/cnr/individuo/prodotto/ID271808
Amine-functionalized SBA-15 in poly(styrene-bbutadiene-b-styrene) (SBS) yields permeable and selective nanostructured membranes for gas separation (Articolo in rivista)
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- Amine-functionalized SBA-15 in poly(styrene-bbutadiene-b-styrene) (SBS) yields permeable and selective nanostructured membranes for gas separation (Articolo in rivista) (literal)
- Anno
- 2013-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1039/c3ta12180a (literal)
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Maria Giovanna Buonomenna, Giovanni Golemme, Caterina Maria Tone, Maria Penelope De Santo, Federica Ciuchi and Enrico Perrotta (2013)
Amine-functionalized SBA-15 in poly(styrene-bbutadiene-b-styrene) (SBS) yields permeable and selective nanostructured membranes for gas separation
in Journal of Materials Chemistry A
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Maria Giovanna Buonomenna, Giovanni Golemme, Caterina Maria Tone, Maria Penelope De Santo, Federica Ciuchi and Enrico Perrotta (literal)
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- [ 1 ] Univ Calabria, Dept Environm & Chem Engn, I-87036 Arcavacata Di Rende, Italy
[ 2 ] INSTM Consortium, I-87036 Arcavacata Di Rende, Italy
[ 3 ] Univ Calabria, Dept Phys, I-87036 Arcavacata Di Rende, Italy
[ 4 ] Univ Calabria, Dept Phys, IPCF CNR UOS Cosenza, I-87036 Arcavacata Di Rende, Italy
[ 5 ] Univ Calabria, Dept Biol Ecol & Earth Sci, I-87036 Arcavacata Di Rende, Italy (literal)
- Titolo
- Amine-functionalized SBA-15 in poly(styrene-bbutadiene-b-styrene) (SBS) yields permeable and selective nanostructured membranes for gas separation (literal)
- Abstract
- New nanostructured hybrid membranes for gas separation have been prepared and characterized for the first time in the literature by using a block copolymer, poly(styrene-b-butadiene-b-styrene) (SBS), and aminated SBA-15. Short mesopore channels, platelet SBA-15 particles with a high surface density of 3-aminopropyl grafts (3.8 nm(-2)) and modest surface area reduction (45%) were prepared, characterized and used as a filler. The gas transport characterization of the hybrid membranes indicates that with a 10 wt% content of aminated filler, outstanding performances in terms of selectivity and permeability for the CH4/N-2 and the CO2/N-2 gas pairs can be obtained. In particular, the CH4/N-2 ideal selectivity of 7.3 is higher than the values of the existing block co-polymers used for this separation and of mixed matrix membranes described to date in the literature. Membranes with such a high separation factor may enable the exploitation of natural gas with high N-2 content and increase the amount of methane that can be economically recovered. The combination of the CO2/N-2 ideal selectivity of 53 with a CO2 permeability of 173 Barrer demonstrates that the new hybrid membranes prepared in this study deserve further attention as a practical commercial solution also for the post-combustion capture of carbon dioxide. Finally, the small and flat particles dispersed in the polymer lend themselves to the fabrication of thin industrial membranes with enhanced productivity. (literal)
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