搜索结果: 1-15 共查到“地质学 Montmorillonite”相关记录229条 . 查询时间(0.188 秒)
Effect of Pressure on the Sorption of Yb by Montmorillonite
Cation fixation Deprotonation Infrared spectroscopy Lanthanides Ytterbium
2011/11/23
Abstract: X-ray diffraction, infrared, and cation-exchange capacity measurements of the reaction products of montmorillonites with YbCl3·6H2O show that at 1 atm irreversible sorption of Yb3+ increases...
Study on Modified Rapeseed Oil/Montmorillonite Nanocomposites
Emulsibility Montmorillonite Nano Composite Rapeseed Oil
2011/12/16
Modified rapeseed oil(MRO) was prepared by using rapeseed oil, ethylene diamine and acrylic acid as the raw materials. Modified rapeseed oil/montmorillonite(MRO/MMT) nanocomposite was prepared by usin...
Synthesis and Swelling Properties of Guar Gum-g-poly(sodium acrylate)/Na-montmorillonite Superabsorbent Nanocomposite
guar gum montmorillonite superabsorbent nanocomposite swelling
2011/12/14
Novel guar gum-g-poly(sodium acrylate)/Na-montmorillonite (GG-g-PNaA/MMT) superabsorbent nanocomposites were synthesized by grafted copolymerization among natural guar gum (GG), partially neutralized ...
Nanocomposites Based on Montmorillonite/Acrylic Copolymer for Aqueous Coating of Soft Surfaces
Acrylate Aqueous Coating Clay Nanocomposite Emulsion Polymerization
2011/12/14
Nanocomposites based on layered silicate organically modified montmorillonite (Cloisite 20A) and acrylic comonomers (butyl acrylate and methyl methacrylate) were prepared by simple 搃n situ?batch emuls...
Synergistic effects of Na+-montmorillonite and multi-walled carbon nanotubes on mechanical properties of chitosan film
nanocomposites chitosan films mechanical properties multi-walled carbon nanotubes
2011/12/14
Chitosan/Na+-montmorillonite/multi-walled carbon nanotubes (CTS/MMT/MWCNTs) nanocomposite films were prepared by a simple solution-evaporation method. The effects of MMT and MWCNTs on mechanical prope...
A Deep-Water Glauconitization Process on the Ivory Coast-Ghana Marginal Ridge (ODP Site 959): Determination of Fe3+-Rich Montmorillonite in Green Grains
Eastern Atlantic Fe3+-rich Montmorillonite Foraminifer Fillings Glauconitization Green Clay Pleistocene
2011/12/5
Abstract: The mineral and chemical composition of green glauconitic grains from ODP Site 959 (2100 m water depth) located on the northern flank of the Ivory Coast-Ghana Marginal Ridge was studied. Rec...
Rheology of Na-Rich Montmorillonite Suspension as Affected by Electrolyte Concentration and Shear Rate
Clay-particle Interaction Clay-suspension Viscosity Na-rich Montmorillonite
2011/12/5
Abstract: Rheological measurements were used to evaluate the particle-particle associations of Na-rich montmorillonite in suspensions, under various electrolyte concentrations. A 2% free electrolyte c...
Characterization of Montmorillonite Surfaces after Modification by Organosilane
Clay-Organic Interactions Montmorillonite Organic Coating Silane Surface Modification
2011/12/2
Abstract: X-ray powder diffraction (XRD), thermal gravimetric analysis (TGA), surface area measurements, and near-edge X-ray absorption fine structure (NEXAFS) spectroscopy were used to examine the su...
Infrared Study of Water Sorption on Na-, Li-, Ca-, and Mg-Exchanged (SWy-1 and SAz-1) Montmorillonite
Exchangeable Cation FTIR Hydration Hysteresis Smectite Sorption Water
2011/12/2
Abstract: An environmental infrared microbalance (EIRM) cell was used to study H2O sorption on two montmorillonite samples as a function of water content and type of exchangeable cation. The vibration...
Dielectric-Relaxation Spectroscopy of Kaolinite, Montmorillonite, Allophane, and Imogolite under Moist Conditions
Allophane Bound Water Complex Permittivity Dielectric-Relaxation Spectroscopy Imogolite Interfacial Polarization Kaolinite Montmorillonite Time-Domain Reflectometry
2011/12/2
Abstract: The dielectric behavior of kaolinite, montmorillonite, allophane, and imogolite samples adjusted to a water potential of 33 kPa was examined using a time-domain reflectometry method over a w...
Structural Model of Al13-Pillared Montmorillonite
Alumina Pillaring Computer Simulation Keggin Pillaring Montmorillonite Structural Model Transmission Electron Microscopy
2011/12/2
Abstract: Alumina-pillared montmorillonite is prepared by intercalation of polyoxyhydroxy aluminum cations (Al137+) of a natural montmorillonite from Dimitrovgrad, Bulgaria. Transmission electron micr...
Bleaching Properties of Alumina-Pillared Acid-Activated Montmorillonite
Acid Activation Alumina-Pillared Montmorillonite Bleaching Clay Cottonseed Oil
2011/12/6
Abstract: The bleaching of cottonseed oil by alumina-pillared (Al-pillared) acid-activated clays was investigated. Acid activation of a Ca-rich montmorillonite (CMS STx-1) following treatment with 1, ...
A Nuclear Magnetic Resonance (NMR) and Fourier-Transform Infrared (FTIR) Study of Glycine Speciation on a Cd-Rich Montmorillonite
Adsorption Amino Acids Cadmium Glycine Montmorillonite Speciation
2011/12/6
Abstract: As a consequence of treatments with glycine solutions, glycine molecules enter the interlayer of both Ca- and Cd-rich montmorillonite. Measurements of d value suggest that at low glycine con...
Influence of Organic and Inorganic Salts on the Coagulation of Montmorillonite Dispersions
Alkyl Bispyridinium Ions Alkyl Trimethylammonium Ions Critical Coagulation Concentration Colloids Crystal Violet Diquat Flocculation Methyl Green Montmorillonite Paraquat Rheology Viscoelasticity
2011/12/6
Abstracts: The colloidal state (stable, coagulated, or gel-like) and the rheological properties of Na-rich montmorillonite (Wyoming) dispersions are strongly influenced by organic cations. This effect...
Direct Imaging of Zirconia Pillars in Montmorillonite by Analytical Electron Microscopy
Clays Electron Energy-Loss Spectroscopy Elemental Mapping Energy-Filtered Imaging Image Analysis Materials Characterization
2011/12/7
Abstract: Analytical electron microscopy was used to confirm the location of pillars of zirconia in pillared montmorillonite. Data show that the pillared clay is of “high” quality, with surface areas ...