搜索结果: 1-15 共查到“理学 Halloysite”相关记录37条 . 查询时间(0.118 秒)
Modification of halloysite nanotubes with glycidyl methacrylate
Modification halloysite nanotubes glycidyl methacrylate
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2012/3/30
Halloysite is a tubular or hollow cylinder shaped clay and is commonly known as halloysite nanotubes (HNTs) which has a chemical formula of Al2(OH)4Si2O5.2H2O similar to kaolinite (Joussein et al., 20...
Processing and characterization of halloysite nanotubes filled polypropylene nanocomposites based on a masterbatch route: effect of halloysites treatment on structural and mechanical properties
nanocomposites polypropylene halloysite nanotubes masterbatch
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2011/12/14
Halloysites/polypropylene nanocomposites with different nanotubes contents were prepared by diluting a masterbatch containing 30 wt.% halloysites with polypropylene (PP). Unmodified (HNTs) and quatern...
The Dependence of Localized Crystallization of Halloysite and Kaolinite on Primary Minerals in the Weathering Profile of Granite
Biotite Granite Halloysite Kaolinite Weathering
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2011/12/5
Abstract: The formation of kaolin-group minerals in the weathering profile of granite, under the humid, temperate climate as found in Korea, was studied by X-ray diffraction (XRD), scanning electron m...
Formation of Vermicular Kaolinite from Halloysite Aggregates in the Weathering of Plagioclase
Halloysite Kaolinite Scanning Electron Microscopy Weathering
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2011/12/8
Abstract: Halloysite and kaolinite coexist in anorthosite weathering profiles in the Sancheong district, Korea. X-ray diffraction (XRD) analysis on a transect of partially weathered anorthosites revea...
Raman Microprobe Spectroscopy of Halloysite
Halloysite Kaolinite Lattice Vibrations Raman Microprobe Raman Spectroscopy
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2011/12/1
Abstract: The Raman spectra of a tubular halloysite originating from Matauri Bay, New Zealand, have been obtained using a Renishaw 1000 Raman microscope system. The Raman microprobe enables the Raman ...
Intercalation of Halloysite: A Raman Spectroscopic Study
Halloysite Intercalation Kaolinite Raman Raman Microprobe X-ray Diffraction
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2011/12/22
Abstract: Intercalates from an ordered halloysite with urea and potassium acetate were studied using Raman microscopy. The urea intercalate showed new Raman bands at 3387, 3410, 3497 and 3598 cm−...
Alunite, Natroalunite and Hydrated Halloysite in Carlsbad Cavern and Lechuguilla Cave, New Mexico
Alunite Carlsbad Cavern Caves Hydrated Halloysite Lechuguilla Cave Natroalunite Sulfuric Acid Sulfur Stable Isotopes
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2011/12/27
Members of an alunite-natroalunite solid solution series occur in intimate association with hydrated halloysite in deposits within caves of the Guadalupe Mountains, namely Carlsbad Cavern and Lechugui...
Experimental Transformation of Kaolinite to Halloysite
Halloysite Hydration Intercalation Kaolinite Rolling Tetrahedral Rotation
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2011/12/27
A well-characterized kaolinite has been hydrated in order to test the hypothesis that platey kaolinite will roll upon hydration. Kaolinite hydrates are prepared by repeated intercalation of kaolinite ...
Why Does Halloysite Roll?—A New Model
Coulomb repulsion Kaolinite Rolling Tetrahedral rotation Tubular Halloysite
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2011/12/23
Abstract: A model is presented to explain why tubular halloysite rolls in preference to tetrahedral rotation to correct misfit of the octahedral and tetrahedral sheets. It is shown that the rolling me...
Fourier Transform Raman Spectroscopy of Kaolinite, Dickite and Halloysite
Dickite FT Raman spectroscopy Halloysite Infrared spectroscopy Kandite clay Kaolinite
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2011/12/27
The vibrational modes of clay minerals are uniquely accessible to FT Raman spectroscopy, but this potentially powerful technique has found limited application to the study of clay mineral structure. R...
Boxwork Fabric of Halloysite-Rich Kaolin Formed by Weathering of Anorthosite in the Sancheong Area, Korea
Anorthosite Boxwork fabric Halloysite Kaolin Scanning electron microscopy Transmission electron microscopy
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2011/12/1
Abstract: Boxwork fabric in which numerous thin or thick halloysite wails are interconnected into a microscopically porous cellular pattern is widely developed in the halloysite-rich kaolin formed by ...
Evidence for Halloysite Formation from Weathering of Ferruginous Chlorite
Chlorite (ferruginous) Electron microscope Halloysite Intergradient minerals (2:2 to 1:1 minerals) Iron-oxyhydroxides Kaolinite Weathering
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2011/12/31
Evidence of chlorite weathering to halloysite appears to be limited. Trioctahedral ferruginous chlorite occurring in granitic rocks and in situ altered phases isolated from the horizons of two soils i...
Effects of Freezing on Colloidal Halloysite: Implications for Temperate Soils
Fragipan Idaho Loess Tephra Transmission electron microscopy X-ray diffraction
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2012/1/4
The literature reports that freezing of aqueous aluminosilicate clay suspensions can produce clay aggregates that disperse with agitation. Our experiments indicate that colloidal suspensions extracted...
Weathering of Granitic Muscovite to Kaolinite and Halloysite and of Plagioclase-Derived Kaolinite to Halloysite
Alteration Halloysite Kaolinite Morphology Muscovite Smectite Transmission electron microscopy Weathering
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2011/12/31
Weathered perthite and mixed muscovite-kaolinite from a kaolinitic granite at Trial Hill in east Queensland and kaolinized sericitic alteration from a granite from the Ardlethan Tin Mine of New South ...
Relevance of Different Intercalation Tests for Distinguishing Halloysite from Kaolinite in Soils
Expansion treatment Halloysite Intercalation Kaolinite Soil clay
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2012/1/5
The expandabilities of kaolin-group minerals in different horizons in 10 soils from New Zealand and Fiji were measured immediately after the application of formamide and after the sequential applicati...