نتایج جستجو برای: isopropyl 2 isopropoxy carbothioyldisulfanylethanethioate iide modified silica gel
تعداد نتایج: 2822505 فیلتر نتایج به سال:
Low-temperature solution processible and solventless silica-epoxy hybrid materials composed of organically modified silica nanoparticles and epoxy monomers were successfully fabricated through simple sol-gel process and solvent evaporation. These silica-epoxy hybrid materials exhibited the homogeneous dispersion without any phase separation, aggregation, and gelation in the solventless environm...
Abstract Due to a recent lack of clean water as result an increasing demand, new wastewater solutions are required. Many researchers have looked into the removal organic dyes from wastewater, with adsorption being easy and effective method for removing inorganic contaminants contaminated water. Conjugated modified polymers, primarily polyaniline (Pani), been widely used in treatment because the...
• A pallets MAP system for tomato was developed using micro-perforated LDPE bags. Physico-chemical and sensory characteristics were evaluated over storage at 6 °C. Silica gel used which diminished water vapor condensation inside packaging delayed colour evolution, firmness loss, decay of throughout storage. The with extended the shelf-life until 21 days. modified atmosphere (MAP) in its effect ...
Abstract Transition metal (TM)-modification of silica matrices are found in numerous materials for diverse applications. In other related hybrid materials, one tries to explore properties that result from combining the network with organic moieties, such as covalent grafting polysaccharides onto amorphous nanosilicas. However, sol–gel routes modification TM have been less explored siliceous mat...
We report the efficient poling of an electro-optic (EO) polymer in a hybrid TiO(2)/electro-optic polymer multilayer waveguide modulator on mesoporous sol-gel silica cladding. The mesoporous sol-gel silica has nanometer-sized pores and a low refractive index of 1.24, which improves mode confinement in the 400-nm-thick EO polymer film in the modulators and prevents optical absorption from the low...
The purpose of this work was to study the hydrogen adsorption on the surface of mesoporous materials based on silica (SBA-16) modified with palladium via temperature. Since mesoporous silica materials have a high specific surface area, and the ordered mesoporous size of 2-10nm, they are suitable for adsorption and storage of hydrogen. SBA-16 is suitable for this purpose due to its cubic crystal...
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