Zobrazeno 1 - 10
of 68
pro vyhledávání: '"Minati Chatterjee"'
Publikováno v:
Journal of the American Ceramic Society. 96:68-72
Zeolite NaA membranes were prepared hydrothermally by secondary crystallization process at different temperatures (55 degrees C75 degrees C) on porous a-alumina-based support tubes (inner side) precoated with poly(ethyleneimine) (PEI) buffer layer an
Publikováno v:
Journal of Sol-Gel Science and Technology. 64:117-123
The support substrates were modified with sol–gel-based silica coating as intermediate buffer layer followed by NaA zeolite seed (prepared hydrothermally at 85 °C for 3 h) coating with 2 wt% aqueous dispersion. The secondary crystallization of NaA
Publikováno v:
Journal of the American Ceramic Society. 95:449-452
The ZSM-5 zeolite particles have been prepared using triethanol amine as structure-directing agent under static hydrothermal condition at 170°C for 7 days. The particles were characterized by X-ray diffraction (XRD), thermogravimetry analysis (TGA),
Publikováno v:
International Journal of Applied Ceramic Technology. 8:1163-1172
Silicalite-1 zeolite seed crystals were prepared by a hydrothermal technique under different experimental conditions. The thin films of silicalite-1 were developed on the porous ceramic substrate by (i) single-stage in situ, (ii) double-stage in situ
Publikováno v:
Journal of the American Ceramic Society. 94:1643-1646
Hydroxy sodalite (HS) particles were synthesized hydrothermally at 90°C for 10 h in the presence of cetyltrimethylammonium bromide (CTAB) and other aqua-based precursor materials like sodium aluminate, sodium metasilicate, and water. Crystalline pha
Publikováno v:
Materials Letters. 64:1630-1633
Urchin-shaped hydroxy sodalite (HS) particles composed of numerous nanorods of 400–500 nm in length with hexagonal cross-section of 50–100 nm in diameter were synthesized following non-ionic surfactant-stabilized water-in-oil (w/o) emulsions at a
Publikováno v:
Journal of Porous Materials. 18:319-327
The support substrates were modified with the aqueous solutions of 1 and 3 wt% of polyvinyl pyrrolidine (PVP) as intermediate buffer layer followed by NaA zeolite seed (prepared hydrothermally at 85 °C for 2 h) coating with 2.5 wt% aqueous dispersio
Publikováno v:
Ceramics International. 35:3073-3079
Near-net-shape (NNS) high alumina (alumina:silica = 96:4, in equivalent weight ratio) fibre reinforced ceramic matrix composites (CMCs) were prepared with single and bicomponent sols following sol–gel vacuum infiltration technique. The CMCs were ch
Publikováno v:
Bulletin of Materials Science. 32:537-541
Silicalite-1 zeolite membranes were prepared hydrothermally on the porous ceramic supports, both unmodified and modified with 3-aminopropyl triethoxysilane (APTES) as a coupling agent following ex situ (secondary) crystal growth process. The microstr
Autor:
Nandini Das, Debtosh Kundu, Himadri Sekhar Maiti, Milan Kanti Naskar, Minati Chatterjee, AC Das
Publikováno v:
Ceramics International. 35:1799-1806
Silicalite-1 particles with minimum twinning have been synthesized inside the polar core of non-ionic surfactant/co-surfactant-stabilized water-in-oil (w/o) type emulsions at 150° ± 1 °C within a short reaction time of 5 h. The non-ionic surfactan