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Characterization of hexadecyltrimethylammonium-organoclay and its individual components by thermal techniques
(Springer, 2017-08)
The properties of the materials determine their potential applications. The aim of this article is to study the properties of the organoclays using simple and rapid technologies. Organoclays with different surfactant ...
Ablative Properties of Polyurethanes Reinforced with Organoclay
(John Wiley & Sons Inc., 2020-01)
Ablation resistance and mechanical properties of polyurethanebased composites containing different amounts (up to 5 wt%) of organoclay were correlated with the morphological characterization. The crosslinking density of ...
Barrier properties and structural study of nanocomposite of HDPE/montmorillonite modified with polyvinylalcohol
(Hindawi Publishing Corporation, 2013-01)
In this work was studied the permeation of COin films of high-density polyethylene (HDPE) and organoclay modified with polyvinylalcohol (MMTHDTMA/PVA) obtained from melt blending. Permeation study showed that the incorporation ...
Synthesis and characterization of HDTMA-organoclays: Insights into their structural properties
(Sociedade Brasileira de Química, 2015-02)
This study aims to synthesize and characterize organoclays developed from an Argentinian montmorillonite (Bent) using hexadecyltrimethylammonium bromide (HDTMA-Br) as the intercalation agent. Subsequently, an adsorption ...
Non-isothermal crystallization of PCL/CLAY nanocomposites
(VBRI Press, 2018-06-14)
In this work, Differential Scanning Calorimetry (DSC) was used to study the crystallization behavior of nanocomposites based on polycaprolactone (PCL) reinforced with organo-montmorillonite (C20A) and organo-bentonite ...
Linear viscoelasticity, extensional viscosity, and oxygen permeability of nanocomposites based on propylene copolymer and organoclay
(John Wiley & Sons Inc, 2018-02-13)
Random propylene-terpolymer (PEBC)/organophilic montmorillonite nanocomposites were prepared by melt mixing, using PEBC modified with maleic anhydride (PEBCg) as compatibilizer. Clay concentrations up to 8 wt %, ...
Polycaprolactone/organoclay biodegradable nanocomposites: Dissimilar tendencies of different clay modifiers
(VBRI Press, 2018-11)
In this work, biodegradable nanocomposites based on polycaprolactone (PCL) reinforced with 2.5, 5.0 and 7.5 wt.% of two different clays, a commercial organo-clay (Cloisite 20A, C20A) and a laboratory modified bentonite ...
Facile modification of montmorillonite by intercalation and grafting: The study of the binding mechanisms of a quaternary alkylammonium surfactant
(Elsevier Science, 2020-09)
Modified clays are among the most investigated organic-inorganic hybrid materials. Traditionally, they are prepared via reaction of the clay mineral with an organic substrate that can be bonded by cation exchange or by ...
Thermal and rheological properties of polyethylene composites based on poly(diphenylsiloxanes)/organoclay hybrids obtained from two different silanes
(Wiley, 2011-01)
Poly(diphenylsiloxanes) (PDPhS) were synthesized in presence of organophilic clay in order to modify its nanostructure. Two silane monomers were used: dimethoxydiphenylsilane and dichlorodiphenylsilane. The following ...
Measure of Zeta Potential of Titanium Pillared Clays
(Elsevier, 2015-07)
The change of the zeta potential, ζ, with the pH as well as the isoelectric point of a charged particle are electrokinetic properties that characterize it. The TiO2 pillared clays are very interesting materials because of ...