نتایج جستجو برای: expanded clay

تعداد نتایج: 82351  

Journal: :Construction and Building Materials 2022

The aerogel-modified expanded perlite aggregate and clay (AEP/C) composite boards were produced, physical mechanical properties investigated. aerogel modification of was carried out with optimization the two-step acid-base catalyzed sol–gel method. shrinkage under high-temperature annealing prevented by covering surfaces modification. (AEP) wrapped matrix successfully produced. unit volume mass...

Journal: : 2022

The article considers the solution of urgent problem development 3D additive technologies in Russia by creating a new model forming device and composite materials. purpose this work is to study physical, technological thermal properties coarse-pored expanded clay concrete. required characteristics are determined standard methods requirements regulatory documents, including modern physico-chemic...

2010
Camila A. Rezende Fabio C. Bragança Telma R. Doi Lay-Theng Lee Fernando Galembeck François Boué

The mechanical properties of non-vulcanized natural rubber and dialyzed natural rubber-clay nanocomposites have been studied by uniaxial deformations to evaluate the reinforcement efficiency of the clay. We show that while non-rubber molecules contribute to auto-reinforcement, removal of these molecules improves significantly the performance of clay as reinforcement agent. These mechanical prop...

2006
Joseph R. Michalski Michael D. Kraft Thomas G. Sharp Lynda B. Williams Philip R. Christensen

[1] To understand the aqueous history of Mars, it is critical to constrain the alteration mineralogy of the Martian surface. Previously published analyses of thermal infrared (l = 6–25 mm) remote sensing data of Mars suggest that dark regions have 15–20% clay minerals. However, near-infrared (l = 1–3 mm) spectral results generally do not identify widespread clay minerals. Thermal infrared detec...

2004
Parfait Miakatsindila

This study investigates the removal of tungsten from simulated water using biopolymer coated particles (i.e. chitosan coated clay) and natural clay. The effects of initial tungsten concentration (from 20 to 500 ppm) and water pH (4, 5.5 and 6.4) on zeta potential and tungsten removal were studied for both chitosan coated clay and natural clay. It was found that the net surface charge of natural...

2015
Vernon Reynolds Andrew W. Lloyd Christopher J. English Peter Lyons Howard Dodd Catherine Hobaiter Nicholas Newton-Fisher Caroline Mullins Noemie Lamon Anne Marijke Schel Brittany Fallon Cédric Sueur

Chimpanzees of the Sonso community, Budongo Forest, Uganda were observed eating clay and drinking clay-water from waterholes. We show that clay, clay-rich water, and clay obtained with leaf sponges, provide a range of minerals in different concentrations. The presence of aluminium in the clay consumed indicates that it takes the form of kaolinite. We discuss the contribution of clay geophagy to...

2006
Yong Lei Qinglin Wu Craig M. Clemons

Hybrids based on recycled high density polyethylene (RHDPE) and organic clay were made by melt compounding. The influence of blending method, compatibilizers, and clay content on clay intercalation and exfoliation, RHDPE crystallization behavior, and the mechanical properties of RHDPE/clay hybrids were investigated. Both maleated polyethylene (MAPE) and titanate could improve the compatibilizat...

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