Results 171 to 180 of about 2,466,880 (247)
Surface properties of poly(vinylimidazole)-adsorbed expanded perlite
Microporous and Mesoporous Materials, 2006 Abstract Adsorption, electrokinetic properties and the interactions between polymer and clay minerals have recently received much attention, owing to the physicochemical properties of these materials. In this study, surface properties of poly(vinylimidazole)-adsorbed expanded perlite such as adsorption, adsorption kinetics and electrokinetic ...
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Journal of Applied Polymer Science
Improving the mechanical and thermal performance of polypropylene (PP) composites is essential to meet the demanding requirements of contemporary automotive, construction, and electrical‐engineering applications.
Ayşenur Yeşilyurt, Naci Uysal
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Improving the mechanical and thermal performance of polypropylene (PP) composites is essential to meet the demanding requirements of contemporary automotive, construction, and electrical‐engineering applications.
Ayşenur Yeşilyurt, Naci Uysal
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Characterization of alkali bonded expanded perlite
Construction and Building Materials, 2018 Abstract The thermal and mechanical properties of a lightweight alkali bonded material were investigated in correlation with the microstructure and porosity. The material was produced using fine granules of expanded perlite as raw powder and potassium di-silicate aqueous solution as alkaline activator, instead of the commonly used sodium silicate, to
Papa Elettra +6 more
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Water Retention Properties and Microstructure of Compacted Expanded Perlite
, 2012 A double porosity structure is recognized in compacted expanded perlite, a granular material made from crushed perlite rock subjected to heating treatment. Due to its generation process, each grain has a micro-scale porosity network and a series of closed pores (isolated holes), while particle size distribution is highly uniform.
M. Caruso, STERPI, DONATELLA VALERIA
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Applied Energy, 2015 In this study, a novel thermal energy storage composite was developed by impregnating paraffin into hydrophobic coated expanded perlite (EPO) granules.
Sayanthan Ramakrishnan +2 more
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Plant growth in expanded perlite
New Zealand Journal of Agricultural Research, 1960Summary The chemical and physical properties of expanded perlite as a growth medium are described. The growth of cress in perlite receiving additions of inorganic fertilisers is described and assessed. Only slightly less growth was made in perlite fortified with plant nutrients than in a good potting soil.
T. M. Morrison +2 more
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THERMAL CONDUCTIVITY OF MORTAR WITH EXPANDED PERLITE
SGEM International Multidisciplinary Scientific GeoConference� EXPO Proceedings, 2023Perlite is a naturally occurring siliceous rock of volcanic origins. When heated to more than 1000 C it expands up to several times its original volume and thus creating the premises of light weightiness and thermal insulating properties. The indoor comfortable climate of modern lifestyle requires large amounts of energy to be created and sustained ...
Ionut-Ovidiu TOMA +4 more
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Evaluation of expanded perlite behavior in PS/Perlite composites
Applied Clay Science, 2019Abstract In this study, composites based on PS/Perlite were prepared with 10 (P10) and 20 (P20) wt% of perlite by melt mixing in a twin screw extruder. The perlite effect was assessed by the composites morphological, thermal, mechanical and rheological properties. The photographs obtained by SEM revealed that some perlite's particles broke during the
Amanda Gerhardt de Oliveira +4 more
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Preparation of fine expanded perlite
Journal of Materials Science, 1999Hollow glass microspheres named expanded perlite have been prepared from perlite, but the size is usually above 20 μm. Recently fine microspheres with low density are desired. In the conventional preparation method, it is difficult to produce fine expanded perlite with particle size under 20 μm because the water contained in finely milled perlite ...
K. Sodeyama +3 more
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