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Adsorption of Polyelectrolytes at the Manganese Oxide(IV)–Polymer Solution Interface: Structure of Adsorbed Layers
Published 2002-06-01“…The influence of the molecular weight of polyelectrolytes on their adsorption and on the structure of the adsorbed layers at the manganese oxide(IV)–polymer solution interface was determined. Polyacrylic acid (PAA) and polyacrylamide (PAM) were applied as ionic polymers. …”
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Research of Flow Field of Alkaline/Surfactant/Polymer Solution in the Annular Depressurization Slot by PIV Experiment
Published 2018-01-01“…In order to study the flow field changes of ASP (alkaline/surfactant/polymer) solutions with different molecular weights and flow rates when flowing through the annular depressurization slot in the laboratory, the annulus pipeline model was designed based on the principle of similarity. …”
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Relationship between the Molecular Coil Dimension and the Energy Storage Modulus of Polymer Solution Configured with Oilfield-Produced Sewage
Published 2020-01-01“…By using the dynamic light scattering instrument, the molecular coil dimension of the polymer solution is tested. By using the HAAKE rheometer, the creep recovery test data of the polymer solution under the same creep time condition are obtained. …”
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Influence of the Adsorption of Polyethylene Glycol at the A1O Surface on the Electrochemical Properties of the Al O/Solution Interface
Published 1999-03-01“…The influence of the molecular weight of PEG and of changes in the pH of the solution on the electrical properties at the solid/polymer solution interface were considered. The data obtained allowed the main factors responsible for the observed zeta potential and the surface charge changes on the A1 2 O 3 surface to be determined. …”
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Mechanisms on the Injection Conformance Reversion during Polymer Flooding of Offshore Heterogeneous Heavy-Oil Reservoirs
Published 2021-01-01“…The different suction capability of each layer to polymer solution results in distinct change law of the flow resistance force, which in turn reacts upon the suction capability and creates dynamic redistribution of injection between layers. …”
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Molecular Association Studies on Polyvinyl Alcohol at Different Concentrations
Published 2018-01-01“…The variation of these acoustical parameters is explained in terms of solute-solvent interaction in a polymer solution.…”
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Influence of the Molecular Weight of Polyethylene Glycol and Polyethylene Oxide on the Adsorption and Electrochemical Properties of the Titania/ Electrolyte Solution Interface
Published 1999-12-01“…The influence of the molecular weight and pH on the electrical properties of the solid/polymer solution interface were examined. The main factors responsible for the zeta potential and surface charge of TiO2 were defined. …”
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Studies of Some Properties and the Structure of Polyethylene Glycol (PEG) Macromolecules Adsorbed on a TiO Surface
Published 2001-06-01“…In the studies presented, the influence of the molecular weight of polyethylene glycol (PEG) on the adsorption and electrical properties at the metal oxide/polymer solution interface has been determined. The main factors responsible for the observed changes in the zeta potential and surface charge of titania were determined on the basis of the data obtained. …”
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Wettability and thermal analysis of hydrophobic poly(methyl methacrylate)/silica nanocomposites
Published 2017-06-01“…Silica particles were well dispersed in the polymer solution which was confirmed by the scanning electron microscopy analysis.…”
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Influence of Added Cellulose Nanocrystals on the Rheology of Polymers
Published 2025-01-01“…The changes in rheological properties with nanocrystal addition to these polymer solutions were found to be small or negligible.…”
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Formulation Development of High Strength Gel System and Evaluation on Profile Control Performance for High Salinity and Low Permeability Fractured Reservoir
Published 2017-01-01“…Under the condition of 32°C and 29500 mg/L salinity, the ABP system formulation is for 0.3% crosslinking agent A + 0.09% coagulant B + 3500 mg/L polymer solution P. The results show that when the temperature was increased, the delayed crosslinking time of the system was shortened and the gel strength was increased. …”
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Study of the Adsorption Mechanism and the Structure of Adsorbed Layers of Polyelectrolytes at the Metal Oxide/Solution Interface
Published 2001-06-01“…A comparison of the change in values of the diffuse layer charge with the surface charge enabled the principal factors responsible for the changes in the zeta potential of the oxides, e.g. pH, polymer molecular weight and concentration of the polymer solutions, to be evaluated. From such zeta potential values, it was possible to determine the free energies of adsorption of PAA and PAM on the surfaces of both oxides. …”
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Study on Properties of Branched Hydrophobically Modified Polyacrylamide for Polymer Flooding
Published 2013-01-01“…The properties of polymer solution were characterized; the results of the experiments showed that BHMPAM exhibited the properties of pseudoplastic fluid, and the viscosity of BHMPAM was 345.9 mPa·s (polymer concentration was 1750 mg/L) under the condition of 75°C and 9374 mg/L of salinity. …”
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Removal of Cr(III) from Aqueous Solution Using Labeo rohita Chitosan-Based Composite
Published 2022-01-01“…Chitosan-based cellulose composite porous membrane was fabricated by evaporating solvent from polymer solution in petri dish. The impact of pH, contact time, and absorbent dosage on the removal of Cr(III) from an aqueous solution was investigated. …”
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Role of Nanofibers in Encapsulation of the Whole Cell
Published 2021-01-01“…The effect of electrostatic forces on a droplet of liquid polymer or polymer solution is based on electrospinning. Electrospun nanofibers act as ideal native extracellular matrices for microorganisms and have also had a tremendous advantage in drug delivery systems where modern research is still underway. …”
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Performance and Characterization for Blend Membrane of PES with Manganese(III) Acetylacetonate as Metalorganic Nanoparticles
Published 2015-01-01“…The prepared nanoparticle powder was dissolved in polymer solution mixture to produce RO PES/Mn(acac)3 blend membrane, without any treatment of Polyethersulfone membrane surface. …”
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Morphology and In Vitro Behavior of Electrospun Fibrous Poly(D,L-lactic acid) for Biomedical Applications
Published 2013-01-01“…The in vitro biocompatibility of two types of PDLLA, ester terminated PDLLA (PDLLA-R) and carboxyl terminated PDLLA (PDLLA-COOH), was evaluated by monitoring apatite formation on samples immersed in Hanks’ balanced salt (HBS) solution. 15 wt% polymer solution was the most beneficial for preparing a fibrous PDLLA structure. …”
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Development of Cephradine-Loaded Gelatin/Polyvinyl Alcohol Electrospun Nanofibers for Effective Diabetic Wound Healing: In-Vitro and In-Vivo Assessments
Published 2021-03-01“…Electrospinning is one of the most widely used techniques for the fabrication of nanofibers (NFs), induced by a high voltage applied to a drug-loaded polymer solution. Particular attention is given to electrospun NFs for pharmaceutical applications (e.g., original drug delivery systems) and tissue regeneration (e.g., as tissue scaffolds). …”
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Study on Mechanism of Viscoelastic Polymer Transient Flow in Porous Media
Published 2017-01-01“…This suggests that elasticity of the polymer solutions contributes to the microsweep efficiency. …”
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