Results 231 to 240 of about 15,134 (254)
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Interaction of Pyridine Derivatives with Sepiolite
Journal of Colloid and Interface Science, 2002In this study, the adsorption behavior of pyridine derivatives, i.e., 2-aminopyridine and 2,2'-bipyridyl, onto sepiolite, a natural clay mineral, has been investigated by bottle adsorption and IR spectroscopic techniques. The results indicate that 2-aminopyridine and 2,2'-bipyridyl molecules adsorb onto sepiolite through hydrogen bonding of the amino ...
E, Sabah, M S, Celik
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Adsorption of anionic surfactants onto sepiolite
Journal of Hazardous Materials, 2007Anionic surfactants constitute the main ingredients of detergents and a number of surfactant formulations used in a spectrum of diverse industries. The aim of this study is to examine the amenability of natural sepiolite to the adsorption of anionic surfactants, sodium dodecylsulfate (SDS) and sodium dodecylbenzenesulfonate (SDBS). Adsorption isotherms
Özdemir, Orhan +4 more
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Reprint of Study of spatial distribution of sepiolite in sepiolite/polyamide6,6 nanocomposites
Applied Clay Science, 2016Abstract The enhancement of the technical properties of a Clay/Polymer Nanocomposite (CPN) is related to the homogeneity and dispersion of the filler within the polymer matrix. In this work, samples of pure polyamide 6,6 (PA66) and reinforced PA66 with 1, 3, 5, 7 and 9 wt.% of sepiolite have been studied.
Cristina Fernandez-Barranco +5 more
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The Utilization of Sepiolite in Landfill Liners
Environmental Technology, 2005In this study, sepiolite and natural soil-added sepiolite mixtures were studied to find out whether they can be used as compacted landfill liner, as they are an economic alternative to the other compacted day liners or not. Geotechnical and physico-chemical properties of sepiolite and sepiolite mixtures, containing 25% and 50% natural soil by weight ...
Güney, Yücel, Özdemir, H. V.
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Solid-State Nuclear Magnetic Resonance Study of Sepiolite and Partially Dehydrated Sepiolite
Clays and Clay Minerals, 2002AbstractThe assignment of the 29Si CP/MAS-NMR spectrum of naturally-occurring sepiolite clay was re-examined using 29Si COSY and 1H-29Si HETCOR pulse sequences. Each of the three main resonances at −92.1, −94.6 and −98.4 ppm has been attributed to one of the three pairs of equivalent Si nuclei in the basal plane, and the resonance at −85 ppm to Q2(Si ...
Mark R. Weir +3 more
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Sepiolite: Properties and Uses
1984Abstract The structure and properties of sepiolite are reviewed. Surface properties, such as porosity and sorption are detailed, as well as dehydration and thermal behaviour. Industrial applications of sepiolite are based on: a) Sor-btive properties; b) rheological properties; c) catalytic properties; The Theological behaviour of sepiolite suspensions,
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Impact modification of sepiolite-epoxy composites
2002oz SEPIYOLIT-EPOKSI KOMPOZITLERININ DARBE DAYANIMININ GELİŞTİRİLMESİ Özatağ, S. Gülşah Yüksek Lisans, Kimya Mühendisliği Bölümü Tez Yöneticisi : Prof. Dr. Ülkü Yılmazer Ortak Tez Yöneticisi : Prof. Dr. Hayrettin Yücel Ekim 2002, 123 sayfa Bu çalışmada, ağırlıkça farklı içeriklerdeki dolgu maddeleri (0%, 7%, 14.3%) ve darbe dayanımını geliştiriciler (0%,
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