Hydrodynamic layer thicknesses of various adsorbed polymers on
The reported results for the molar mass dependence of the layer thicknesses of the various polymers adsorbed on precipitated silica and latex were obtained ...
[ 1-s2.0-0166662288801823-main.pdf?_tid=5cebf138-c7c2-11e3-afc2-00000aacb35f&acdnat=1397912514_4541e2b7c621538bb1c87a3850093263 - Read/Download File
The hydrodynamic thickness of adsorbed polymer layers - Hal
Jan 1, 1988 ... The hydrodynamic thickness of adsorbed polymer layers measured by ... most earlier measurements on different substrates, and agree with the theoretical result that the segmental ..... perse precipitated silica (~ 100 nm).
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Effects of Polymer Bridging and Electrostatics on the Rheological
 E. Killmann, H. Maier, J.A. Baker, Hydrodynamic layer thickness of various adsorbed polymers on precipitated silica and polystyrene latex. Colloids Surfaces ...
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Investigation of the adsorption configuration of polyethylene oxide
drodynamic adsorption layer thicknesses, determined with photon correlation spectroscopy, are reported for the different polymer systems as a function of molar mass, concentration, and time ..... surement of an apparent hydrodynamic radius for both a bare ..... Precipitation-Redissolution Phenomena in Sulfonate- A1C13.
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Adsorption of PEO-PPO-PEO Block Copolymers at Silica - American
All polymers investigated formed thin adsorbed layers, with hydrodynamic thicknesses of ... pH dependence of the adsorbed amount and the hydrodynamic thickness is similar to .... was determined by precipitation with tannic acid, followed tur-.
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Exceptional properties of semi-dilute solutions of nanoparticle laden
of composite polymers of polyethylene oxide and silica nanoparticles (in the ...... hydrodynamic layer thicknesses of adsorbed polyethylene oxides on precipitated silica, ... J. A. Hydrodynamic layer thicknesses of various adsorbed polymers on.
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Studies of The Mechanism of Polyvinyl Alcohol Adsorption on The
adsorbed layer of the polymer on the surface of CaCO3 in the presence and the absence ... of acetate groups of PVA, resulting in different adsorption layer thickness. .....  Killmann, E., Maier, H., Baker, J.A., (1988), Hydrodynamic layer thickness of various adsorbed polymers on precipitated silica and polystyrene latex, ...
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Adsorption and Exchange Dynamics in Aging Hydroxyethylcellulose
The thickness of polymer layers adsorbed on colloidal parti- ... scales (2). An adsorbed layer's hydrodynamics depend on the .... Products were precipitated from solution by acetone or ... kinetic traces in studies where all material is labeled.
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hydrodynamic layer the far-field fluid viscosity is ... as the polymer dispersant or PD) adsorbed to mica and on calcium ... of the colloidal particles with different dispersants adsorbed ... precipitate of CaABS was rotary-evaporated to remove remaining solvent. .... each surface, i.e., the hydrodynamic layer thickness per surface.
[ 1999_collpolysci_giasson.pdf - Read/Download File
Adsorption of PEO/PPO triblock co-polymers and wetting of coal
The adsorption characteristics of PEO/PPO/PEO triblock co-polymers on coal were investigated using surface tension and .... The thickness of the adsorbed layer depended on the molar mass of ...... 1055–1061.  E. Kilmann, H. Maier, J.A. Baker, Hydrodynamic layer thickness of various adsorbed polymers on precipitated.
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Orientation of adsorbed polymer in response to shear flow
0927.7757/94/$07.00. 0 1994 - Elsevier Science B.V. All rights reserved. ... The majority of the analysis of polymer adsorption ... sometry [S-S] or hydrodynamic flow [S-12] ... caused by the adsorbed layer. Reduction ... same effects when the samples were precipitated ... thickness responds to flow only at larger shear rates , in ...
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preparation and characterization of pva coated magnetic nanoparticles
All the PVA fcrroﬂuids exhibited excellent colloidal stability in pure water and ... In some cases, the coating layers can also protect the iron oxide from the attack ... Polymer coated magnetic particles are the most important ferroﬂuids in ... preparations, the co-precipitation method proposed by Molday et aim is the simplest one.
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RSC Advances - arXiv.org
Jul 2, 2016 ... oxide particles coated with multi-phosphonic acid PEG polymers are ... swollen brush that acts as a protective layer against protein adsorption and particle aggregation. .... was applied.41 The precipitation of the iron oxide dispersion by ... PAA2K coated γ-Fe2O3 hydrodynamic sizes were around 4 – 6 nm ...
[ 1607.01656 - Read/Download File
Methylcellulose, a Cellulose Derivative with Original - MDPI.com
Apr 24, 2015 ... polysaccharide found in nature; it is a regular and linear polymer ... techniques, a variety of different gelation mechanisms has been ..... the solubility and additionally lower precipitation temperatures are .... the viscosity of the medium is higher, the thickness of the adsorbed layer at the interface is larger.
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inorganic gels with nanometer-sized particles - Princeton University
layer results in a large effective hydrodynamic radius, much larger than the particle .... Particles were aggregated by the adsorption of various types and amounts of .... regions with a nonuniform distribution of sizes and shapes separated by very low ... nanostructure processing include the precipitation of silica within polymer ...
[ uw_88_121tarasevich.pdf - Read/Download File
Adsorption of Superplasticizers on a Model Powder Y.F. Houst, P
Six different polycarboxylate polymers (PCPs) containing grafted PEO moieties ( Fig. ... surface with a constant adsorbed layer thickness, allowed us to estimate the amount of ... precipitation of the polymer on the MgO particles. Page 7. Table 2 . Radii of gyration (Rg), hydrodynamic radii (Rh), adsorbed layer thickness ...
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POLYELECTROLYTE COMPLEXES OF BOTTLE BRUSH - DiVA
between polyanions of high molecular weigh and the bottle-brush polymers considerably .... pronounce effect of PSS content on adsorbed amount and layer thickness ..... precipitation of colloids from solution in various processes.16, ..... hydrodynamic size) is larger than that of big ones (large hydrodynamic size), and the.
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Mahltig B 1999 Phys Chem Chem Phys 3853 - ORBi
different pH and salt concentration was measured by ellipsometry. ... The adsorbed amount of the polymer layers was measured by ... thickness were used. ... The Stokes-Einstein equation enables one to calculate the hydrodynamic ... Polymer precipitation also occurs in our system and is determined from the decrease of ...
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Synthesis and Properties of Water-Soluble Gold Colloids Covalently
They do not suffer from undesirable nonspecific adsorption ... against aggregation or/and to derivatize them with various ... afford rather thin layers on gold, that is, not thicker than 100 ..... Hydrodynamic Diameter D, and Corresponding Polymer Thickness .... colloids nor their stability to precipitation upon addition of NaCl.
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AMPHOTERIC POLYMERS TO IMPROVE PAPER DRY STRENGTH
isoelectric point, when the charge density is symmetric, polymer precipitation also occurs, the solubility ... The polyampholyte behavior in solution, associated with its adsorbed layer .... The hydrodynamic diameter of the polymer in solution at different pH ... The thickness and the specific adsorbed PAmp layer were calculated.
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