Search Results - "Pinnavaia, T.J."
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Hierarchical ZSM-5 zeolites synthesized by silanization of protozeolitic units: Mediating the mesoporosity contribution by changing the organosilane type
Published in Catalysis today (15-05-2014)“…•The usage of silylated polymers allows obtaining larger mesopores than with PHAPTMS.•Hierarchical ZSM-5 obtained with the silylated polymer showed lower…”
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Heavy Metal Ion Adsorbents Formed by the Grafting of a Thiol Functionality to Mesoporous Silica Molecular Sieves: Factors Affecting Hg(II) Uptake
Published in Environmental science & technology (15-09-1998)“…A new approach to heavy metal ion adsorbents based on the covalent grafting of 3-mercaptopropylsilyl groups to the framework pore walls of mesoporous silica…”
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Gas–oil cracking activity of hydrothermally stable aluminosilicate mesostructures (MSU-S) assembled from zeolite seeds: Effect of the type of framework structure and porosity
Published in Catalysis today (15-03-2006)“…Aluminosilicate mesostructures (MSU-S BEA) assembled from zeolite Beta (BEA) seeds exhibited relatively high hydrothermal stability and were significantly more…”
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The BET equation, the inflection points of N 2 adsorption isotherms and the estimation of specific surface area of porous solids
Published in Microporous and mesoporous materials (15-03-2012)“…[Display omitted] ► The I-point tallies exactly to the Inflection point observed in the application of consistency criteria. ► The ssa values is determined…”
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Colloidal gold immobilized on mesoporous silica as a highly active and selective catalyst for styrene epoxidation with H2O2
Published in Catalysis communications (10-01-2014)“…Colloidal gold nanoparticles were synthesized by different procedures affording suspensions with two different mean sizes (2 and 5nm). Au catalysts were…”
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Ordered Mesoporous Silica with Large Cage-Like Pores: Structural Identification and Pore Connectivity Design by Controlling the Synthesis Temperature and Time
Published in Journal of the American Chemical Society (22-01-2003)“…FDU-1 silicas with large cage-like pores (diameter about 10 nm) were synthesized under acidic conditions from tetraethyl orthosilicate in the presence of a…”
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Electrochemistry of alumina pillared clay modified electrodes
Published in Journal of electroanalytical chemistry (Lausanne, Switzerland) (01-06-1996)“…A simple method for preparing metal oxide pillared clay films on graphite electrodes, based on the use of preformed pillared structures, is described. The…”
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Textural Mesoporosity and the Catalytic Activity of Mesoporous Molecular Sieves with Wormhole Framework Structures
Published in Journal of the American Chemical Society (29-09-1999)“…Three different water−alcohol cosolvent systems were used to assemble mesoporous molecular sieve silicas with wormhole framework structures (previously denoted…”
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The BET equation, the inflection points of N2 adsorption isotherms and the estimation of specific surface area of porous solids
Published in Microporous and mesoporous materials (01-03-2012)Get full text
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Aluminosilicate Nanoparticles for Catalytic Hydrocarbon Cracking
Published in Journal of the American Chemical Society (05-03-2003)“…Aluminosilicate nanoparticles containing 9.0−20 nm mesopores were prepared through the use of protozeolitic nanoclusters as the inorganic precursor and starch…”
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Stereo-selective hydrogenation of 3-hexyne over low-loaded palladium catalysts supported on mesostructured materials
Published in Applied catalysis. A, General (20-10-2010)“…[Display omitted] ▶ Preparation, characterisation and screening of palladium based catalysts. ▶ Mesostructured materials were used as support of palladium…”
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Polymer: PMMA-mesocellular foam silica nanocomposites prepared through batch emulsion polymerization and compression molding
Published in Cellular polymers (01-11-2009)Get full text
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Porous clay heterostructures formed by gallery-templated synthesis
Published in Nature (London) (06-04-1995)“…The possibility of using intercalated surfactants for the templated synthesis of structures withing the interlayer spaces of clays is discussed in a study. The…”
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A functionalized porous clay heterostructure for heavy metal ion (Hg 2+) trapping
Published in Microporous and mesoporous materials (01-02-1998)“…A heavy metal ion adsorbent that binds Hg 2+ ions from solution to a capacity of 0.74 mmol/g has been prepared by grafting 3-mercaptopropyltrimethoxysilane to…”
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Solid Solution Formation in Amphiphilic Organic−Inorganic Clay Heterostructures
Published in Chemistry of materials (01-11-1999)“…Amphiphilic mixed ion smectite clays have been prepared by the reaction of inorganic ion exchanged forms of synthetic fluorohectorite with [C16H33EBu3 +] onium…”
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Intercalated Clay Catalysts
Published in Science (American Association for the Advancement of Science) (22-04-1983)“…Recent advances in the intercalation of metal complex cations in smectite clay minerals are leading to the development of new classes of selective…”
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Pillaring of layered double hydroxides (LDH's) by polyoxometalate anions
Published in Journal of the American Chemical Society (01-05-1988)Get full text
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Reductive Dechlorination of Carbon Tetrachloride In Water Catalyzed by Mineral-Supported Biomimetic Cobalt Macrocycles
Published in Environmental science & technology (01-02-1995)“…It is shown that charged cobalt macrocycles adsorbed on mineral supports are catalysts in the reductive dehalogenation of CCL4…”
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Layer rigidity in 2D disordered NiAl layer double hydroxides
Published in Journal of non-crystalline solids (01-03-1995)“…A series of layer double hydroxide carbonates with the chemical composition [( CO 3) x 2 · y (H 2O)][Ni 1 − x Al x (OH) 2] , 0 < x < 0.4, 0 < y < 1.2 has been…”
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