Results 181 to 190 of about 550,572 (226)

Macaw Palm Propagation Strategies: Advances, Gaps, and Future Directions for a Promising Oleaginous Crop-A Review. [PDF]

Plants (Basel)
Cavalcanti VP, Braga LDS, da Costa ACAF, de Jesus JVM, Ribeiro Junior JB, Dos Santos HO, Castro RP, Dos Santos AF, Dória J.   +8 more
europepmc   +1 more source

Expanded vermiculite as loose-fill, thermal insulation for dwellings

, 1952
openaire   +1 more source

Incorporation of expanded vermiculite lightweight aggregate in cement mortar

Construction and Building Materials, 2018
Abstract This investigation presents an evaluation of the properties of cement mortars containing expanded vermiculite as partial sand replacement. When the expanded vermiculite was included at 30% and 60% replacement levels, the flow diameter was higher compared to the plain mortar without expanded vermiculite.
Kim Hung Mo, Tung-Chai Ling
exaly   +6 more sources

Characteristics of isolation mortars produced with expanded vermiculite and waste expanded polystyrene

Construction and Building Materials, 2020
Abstract Mortar is one of the most important component of cement based composites. Aggregates have also a significant effect on properties of mortars. Generally natural and crushed fine aggregates are used in mortar production for different applications and aims, one of which is energy conservation in buildings and facilities.
Fuat Koksal, Osman Gencel
exaly   +3 more sources

Expanded vermiculite-filled flexible polymer composites

Journal of Elastomers & Plastics, 2021
This study focuses on the fabrication and characterization of vermiculite-filled flexible polymer composites. Exfoliated vermiculite was incorporated into triblock thermoplastic elastomer copolymer, styrene- b-(ethylene- co-butylene)- b-styrene (SEBS), at various levels from 1 to 15 wt% by a high shear mixer.
Mukaddes Sevval Cetin, Ozan Toprakci, Omer Suat Taskin, Abdullah Aksu, Hatice Aylin Karahan Toprakci   +4 more
openaire   +2 more sources

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Thermal resistance of hardened cement pastes containing vermiculite and expanded vermiculite

Journal of Thermal Analysis and Calorimetry, 2011
The durability and thermal stability of hardened Portland cement pastes containing vermiculite (V) and expanded vermiculite (EV) exposed to high temperatures were studied. Different mixtures were prepared using 2.5, 5, and 10 wt% of both types of V. Each mixture, after 28 days of hydration, was heated at 300, 600, and 800 °C for 3 h.
Safaa M A El-Gamal
exaly   +2 more sources

Preparation of paraffin/expanded vermiculite with enhanced thermal conductivity by implanting network carbon in vermiculite layers

Chemical Engineering Journal, 2015
Abstract Paraffin/expanded vermiculite with modified porous carbon layer was prepared in the study. In the composite phase change materials (PCM), expanded vermiculite was impregnated with sucrose in the layer and then carbonated in situ in order to enhance thermal conductivity and improve the adsorption capacity of expanded vermiculite, which acted ...
Yong Deng, Jinhong Li, Ting-Ting Qian
exaly   +2 more sources

Electrokinetic Properties of Vermiculite and Expanded Vermiculite: Effects of pH, Clay Concentration and Mono- and Multivalent Electrolytes

Separation Science and Technology, 2008
Abstract In this study, the zeta potential values of vermiculite and expanded vermiculite were measured to determine the effect of pH, clay concentration, and various mono- and multivalent electrolytes including NaCl, KCl, NH4Cl, NaNO3, NaClO4, Na2SO4, Na2CO3, Na3PO4·12H2O, MgCl2·6H2O, CaCl2·2H2O, BaCl2, SrCl2·6H2O, CuCl2·2H2O, CoCl2·6H2O, NiCl2, AlCl3,
Sibel Tunc, Osman Duman
exaly   +2 more sources

Effect of natural and expanded vermiculite clays on the properties of eco-friendly biopolyethylene-vermiculite clay biocomposites

Composites Part B: Engineering, 2019
Abstract In this work, the effect of natural (NV) and expanded (EV) vermiculite clays on the properties of biopolyethylene (BioPE)-vermiculite clay biocomposites was investigated. It was observed that the addition of NV and EV clays to BioPE increased the Heat Deflection Temperature (HDT) and improved the fire retardance.
Daniel Freitas, Pankaj Agrawal, Tomáš Melo   +2 more
exaly   +2 more sources

Preparation and microstructure of in-situ gel modified expanded vermiculite

Ceramics International, 2013
Abstract Expanded vermiculite is an important thermal insulation material with a layered micro-porous structure. In this paper, modified expanded vermiculite was obtained using an in-situ gel method. Under experimental conditions of n (epoxy propane) : n (A1(NO3)3) : n (ethanol) =5.5:1:30, the alumina aerogel was distributed evenly in the ...
Chun-Feng Wang
exaly   +2 more sources