Results 191 to 200 of about 16,483 (254)
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American Mineralogist, 2021
Detailed knowledge of the structural evolution of diverse aluminum (oxy)hydroxides with varying temperatures up to ~300 °C provides insights into the dehydration processes involving transitions among metastable phases on Earth’s surface and in the crust.
Hyo‐Im Kim, S. Lee
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Detailed knowledge of the structural evolution of diverse aluminum (oxy)hydroxides with varying temperatures up to ~300 °C provides insights into the dehydration processes involving transitions among metastable phases on Earth’s surface and in the crust.
Hyo‐Im Kim, S. Lee
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Formation of Fibrillar Boehmite
Journal of Porous Materials, 1999Fibrillar boehmite is a synthetic form of alumina where the morphology is in the form of fibrils instead of the normal corpuscular form. It is prepared from basic aluminium chloride. In this study a molar ratio of Cl−/Al2O3 of 1 was used. During the preparation the crystallinity of the product increases with time up to 48 h of crystallization.
B.S. Gevert, Zhong-Shu Ying
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, 2021
Increasing the density of α-Al2O3 powder can improve the performance of alumina-bearing materials and broaden their application. In this study, the relationship between the density and structural unit content of α-Al2O3 prepared from gibbsite and ...
Xiao-yan Wang +6 more
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Increasing the density of α-Al2O3 powder can improve the performance of alumina-bearing materials and broaden their application. In this study, the relationship between the density and structural unit content of α-Al2O3 prepared from gibbsite and ...
Xiao-yan Wang +6 more
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Polypropylene + boehmite nanocomposite fibers
Journal of Polymer Engineering, 2012Abstract The influence of nanosized filler particles on mechanical properties of composite fibers has some specific features related to the fiber matrix, its preparation and the filler content, as well as the orientation of the fibers at their drawing.
Lubica Škovranová +7 more
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Adsorption mechanism for removing different species of fluoride by designing of core-shell boehmite.
Journal of Hazardous Materials, 2020Many kinds of adsorbents have been developed for removing fluoride from water. However, the unclear actual mechanism of fluoride adsorption greatly restricts the structural design and application of novel adsorbents.
Lei Huang +8 more
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, 2021
Boehmite particles with or without hydroxyls and those of different particle sizes were coated on PE membrane with water-based slurry, and properties of coated separators were characterized.
X. Wei +7 more
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Boehmite particles with or without hydroxyls and those of different particle sizes were coated on PE membrane with water-based slurry, and properties of coated separators were characterized.
X. Wei +7 more
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Advanced Powder Technology, 2021
The aim of present study is to investigate the modification of poor kaolin by boehmite to produce zeolite A via fusion techniques. The processed kaolins containing considerable content of quartz, as a major impurity, were employed, and alkalinity ...
M. Foroughi, A. Salem, S. Salem
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The aim of present study is to investigate the modification of poor kaolin by boehmite to produce zeolite A via fusion techniques. The processed kaolins containing considerable content of quartz, as a major impurity, were employed, and alkalinity ...
M. Foroughi, A. Salem, S. Salem
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Clays and Clay Minerals, 2000
AbstractThe persistence of many seemingly metastable mineral assemblages in sediments and soils is commonly attributed to their sluggish transformation to the stable-phase assemblage. Although undoubtedly kinetics plays a major role, this study shows that thermodynamic factors, particularly surface energy, significantly influence the free energy ...
Juraj Majzlan +2 more
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AbstractThe persistence of many seemingly metastable mineral assemblages in sediments and soils is commonly attributed to their sluggish transformation to the stable-phase assemblage. Although undoubtedly kinetics plays a major role, this study shows that thermodynamic factors, particularly surface energy, significantly influence the free energy ...
Juraj Majzlan +2 more
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Heat capacity and thermodynamic functions of boehmite (AlOOH) and silica-doped boehmite
The Journal of Chemical Thermodynamics, 2018Abstract Alumina has a variety of technological uses and has been utilized in many fields due to its versatility and abundance. The properties of aluminas, such as pore size, acid site concentration, and the amount of adsorbed water, can be tailored for a specific application using a variety of synthetic techniques.
Jason J. Calvin +4 more
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, 2021
Transparent superhydrophobic films are attractive for applications in a wide range of fields, such as electronics, windshields and displays. However, it is especially challenging to manufacture a superhydrophobic film with high transparency and ...
Chunyan Zhang +5 more
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Transparent superhydrophobic films are attractive for applications in a wide range of fields, such as electronics, windshields and displays. However, it is especially challenging to manufacture a superhydrophobic film with high transparency and ...
Chunyan Zhang +5 more
semanticscholar +1 more source