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Article
A chromatographic method for the determination of low surface areas
This study describes and discusses the application of a gas chromatographic method developed to measure the specific area of solids. It is especially useful for those solids that exhibit particularly low speci...
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Article
Characterization of silicoaluminate surfaces by means of adsorption of organic vapours
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Article
Characterization and surface modification on silicoaluminate glass fibre
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Article
Study of the adhesion of organic polymers to E-glass
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Article
Corrosion of SiC fibres with HNO3
The corrosion of SiC fibres with HNO3 has been studied. Characterization has been carried out by means of infrared spectroscopy, scanning electron microscopy and adsorption of nitrogen and benzene. Corrosion atta...
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Article
Distribution of active sites on E-glass surface
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Article
Surface characterization of the polypropylene matrix used in composites
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Article
Surface thermodynamic analysis of cleaned silicoaluminate glass fibres
Inverse gas chromatography has been used to measure the surface adsorption of alkane probes on cleaned silicoaluminate glass fibres. The thermodynamic variables (enthalpy, δH A ...
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Article
Further Insights into the Porous Structure of TEOS Derived Silica Gels
The porous structure of TEOS derived silica gels was studied using nitrogen adsorption at 77 K. Silica gels were prepared using TEOS, H2O and ethanol for different molar ratios. No catalyst was used in this study...
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Article
Effect of heating on the surface fractal dimensions of ZrO2
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Article
Characterization and sintering behaviour of submicrometre titanium dioxide spherical particles obtained by gas-phase hydrolysis of titanium tetrabutoxide
Spherical fine (∼0.7 μm) titania powders were prepared by vapour-phase hydrolysis of a titanium tetrabutoxide/butanol solution. Powder X-ray diffraction showed that as-prepared powders were amorphous and cryst...
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Article
Further insights into the porous structure of TEOS derived silica gels
The porous structure of TEOS derived silica gels was studied using nitrogen adsorption at 77 K. Silica gels were prepared using TEOS, H2O and ethanol for different molar ratios. No catalyst was used in this study...
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Article
Surface Energy Changes of Heat Treated TEOS Derived Silica Xerogels
The surface energy of monolithic silica xerogels was examined by measuring the interaction of organic probes with xerogels heated at temperatures close to the gel-to-glass transition temperature. Values of the...
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Article
Application of Inverse Gas Chromatography to the Study of the Surface Properties of Slates
Inverse gas chromatography (IGC) at zero surface coverage was used for determining the surface characteristics of a slate sample. Previously this sample had been characterized by means of X-ray diffraction (XR...
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Article
Effect of Reaction Parameters on the Hydrolysis of Zirconium Propoxide. A Study by Infrared Spectroscopy
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Article
Preparation of nanometric titanium hydrous oxide particles by vapour phase hydrolysis of titanium tetrabutoxide
Spherical titanium nanoparticles in the range of 60 to 500 nm have been obtained by a vapour-phase hydrolysis procedure using titanium tetrabutoxide as raw material. In this work, different parameters such as ...
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Article
Study of the reaction of γ – methacryloxypropyltrimethoxysilane (γ – MPS) with slate surfaces
Thermal Analysis (TA) and Fourier Transform Infrared Spectroscopy (FT–IR); were used in order to study the reaction of γ-methacryloxypropyltrimethoxysilane (γ-MPS) with slate surfaces at different temperature ...
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Article
Effect of TiO2 on the Pore Structure of SiO2-PDMS Ormosils
In this work, pore structure evolution of Ormosils containing TBT (Tetrabutyl titanate) has been characterized by means of mercury porosimetry, nitrogen adsorption and helium pycnometry. These ormosils have be...
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Article
Effect of the Measurement Temperature on the Dispersive Component of the Surface Free Energy of a Heat Treated SiO2 Xerogel
The surface free energy of a monolithic silica xerogel treated at 1000°C has been measured by inverse gas chromatography in the temperature range 25–150°C using n-alkanes. Values of the dispersive component, γS D
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Article
Surface Energy of Silica-TEOS-PDMS Ormosils
Inverse gas chromatography (IGC) was applied to characterize the surface energy of organically modified silicates (ormosils) by measuring the interaction of molecular organic probes with the ormosil surface. O...
