Mesoporous materials
Catalytic cracking of HDPE over hybrid zeolitic-mesoporous materials
... ZSM-5/MCM-41 materials for the catalytic degradation of high density polyethylene (HDPE) has been investigated and compared with the behavior of a standard Al-MCM-41 ...zeolitic-mesoporous materials ...
23
Ethylene polymerization over chromium supported onto SBA-15 mesoporous materials
... phase with the silica surface depends on the shape, stability and metal ions in the complex [9]. In this case, chromium acetylacetonate is an octahedral complex having a high thermal stability and consequently low ...
8
Tailoring the pore size of hexagonally ordered mesoporous materials containing acid sulfonic groups
... based mesoporous materials the presence of cosolvent organic molecules expands slightly the pore ...of mesoporous walls, whereas the increase of n-decane yields significant lowering of the wall ...
9
Isomerization of Pinene with Al and Ga modified MCM 41 Mesoporous Materials
... camphor, anti-swelling drugs and K vitamin. Therefore, recent research efforts have been focused on developing new reaction paths towards a higher selectivity to camphene while avoiding other terpene by-products, such as ...
19
Polystyrene modified hybrid materials based on ordered mesoporous silica
... organic-inorganic mesoporous materials has been an issue of extensive ...silica-based mesoporous materials and the enormous functionability and versatility of polymeric organic moieties leads ...
5
Hybrid zeolitic-mesostructured materials as supports of metallocene polymerization catalysts
... zeolitic-mesoporous materials were synthesized from zeolite seeds, obtained in the early stages of ZSM-5 crystalliza- tion, assembled around cetyltrimethylammonium bromide (CTAB) ...
8
Current development and applications of ordered mesoporous silicas and other sol-gel silica-based materials in food sample preparation for xenobiotics analysis
... These materials are characterized by periodically organized pore system and a very narrow pore radius ...the mesoporous materials is that the non-siliceous group will not partially block the ...
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Aqueous heavy metals removal by adsorption on amine-functionalized mesoporous silica
... so-obtained materials were dispersed in toluene and ...Solid materials were vacuum filtered and then cleaned by Shoxhlet extraction in ...silica materials were labeled G-SBA-15-N, G- SBA-15-NN, and ...
40
Evaluación del potencial biomédico de nuevos biomateriales para aplicación en cirugía ortopédica y traumatología
... Then the sintered monolithic SBA-15 scaffolds were tested in vivo, implanting an orthotopic location between the calvaria and the periosteum of adult rats. Implants were recovered at different time points, fixed, ...
14
Composite materials based on hybrid mesoporous solids for flow through determination of ultratrace levels of Cd(II)
... made materials: a) mesoporous silica functionalized with 3-aminopropyl groups from 3-aminopropyl triethoxysilane (HMS); b) HMS with a resin, Amberlite IR120; c) HMS-Amberlite IR120 and polyvinyl alcohol ...
10
Immobilization strategies for laccase from Trametes versicolor on mesostructured silica materials and the application to the degradation of naphthalene
... four materials were prepared, two functionalized with aminopropyl moieties –AP1 and AP10– and two incorporating aminobutyl functions – AB1 and ...mesostructured materials except for the addition of the ...
28
Feedstock recycling of agriculture plastic film wastes by catalytic cracking
... used. Mesoporous solids (Al-MCM-41 and Al-SBA-15), that had shown remarkable performance in the cracking of the raw low-density polyethylene (LDPE), were practically inactive with the plastic film waste, probably ...
25
Liquid phase isophorone oxide rearrangement over mesoporous Al-MCM-41 materials
... Al-MCM-41 materials influence the extent of isophorone oxide rearrangement ...Al-MCM-41 materials are superior catalysts compared to zeolites in terms of both activity and aldehyde ...mesostructured ...
22
Cationic amine bridge periodic mesoporous organosilica materials for off line solid phase extraction of phenoxy acid herbicides from water samples prior to their simultaneous enantiomeric determination by capillary electrophoresis
... both materials, it has not been found notable differences between them except for 433 the greatest surface BET (S BET ) and pore volume in PMO-STPA material with respect ...
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