polymers and polyelectrolytes
Influence of Surfactant and Salt Concentration on the Rheological Properties of Three Different Microstructures of Associative Polyelectrolytes Obtained by Solution Polymerization
... of polymers and increase their thickening capacity; studies to in- crease solution viscosity range from molecular weight grow, use of polyelectrolytes, up to emergence of asso- ciative ...Associative ...
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Study of Physical and Colloid-Chemical Properties of Acrylic Polyelectrolytes of “M-PAA” Series and Their Modification
... Polyelectrolyte character of the “M- PAA” series polymers synthesized by us has been confirmed by conductometric measurements. The curves on Figure 2 show that with the increasing concentration the specific ...
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Evaluation of Cationic and Anionic Polyelectrolytes as a Coagulants Aid for Water Quality Improvement
... An essential requirement for bridging flocculation is that there should be sufficient unoccupied surface on the particle for attachment of segments of polymer chains adsorbed on other particles 24 . The adsorbed amount ...
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High floc strength with aged polyelectrolytes.
... the polyelectrolytes appear to decrease the effectiveness of the polyelectrolyte solutions, probably by neutralising the active sites on the polymers and these results shall not be further ...
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Adhesion between oppositely-charged polyelectrolytes
... charged polyelectrolytes with that between two similar polyelectrolytes ...grafted polyelectrolytes was measured using friction force ...charged polyelectrolytes of poly(methacrylic acid) ...
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Polymerisation of 2 acrylamido 2 methylpropane sulfonic acid sodium salt (NaAMPS) and acryloyl phosphatidylcholine (APC) via aqueous Cu(0) mediated radical polymerisation
... of polyelectrolytes and polyzwitterions in aqueous solution make them attractive targets for controlled radical polymerisation, however, they also make handling and characterising the monomers and ensuing ...
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Evaluation of the Physicochemical Behavior of Waste Water Treatment Polyelectrolytes with Metal Ions
... those polymers in which the polymer-metal ion interac- tion involves an ion exchange process, the most common are the quaternary ammonium with chloride, sulphate and hydroxyl counterions ...
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Effect of process parameters on layer-by-layer self-assembly of polyelectrolytes on cotton substrate
... to establish a stable situation or equilibrium. After rinsing several times with water, the sample is again dipped into an aqueous solution of another oppositely charged polyelectrolyte. Multilayered nanocoating built up ...
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Interaction of Surfactants and Polyelectrolyte Coated Liquid Crystal Droplets
... of polymers at the LC/aqueous interface for sensor applications ...of polyelectrolytes at the LC/aqueous interface can stabilize the LC droplets in aqueous solution [10] [13] ...
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Bonding between cellulosic fibers in the absence and presence of dry-strength agents
... hydrophilic polyelectrolytes, including cationic starch products, are used by papermakers to promote inter-fiber bonding and increase paper’s ...individual polyelectrolytes, greater strength gains can be ...
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Interfacial Assembly In Aqueous Two Phase Systems
... One class of systems that has shown great promise in recapitulating some of the features found in living cells is aqueous two phase systems (ATPSs), comprising mixtures of two water soluble polymers that phase ...
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An investigation of cellulose ion exchangers : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Chemistry at Massey University, New Zealand
... CJVi-CelluloAe liowever, the d1romato,:,raphic separation of polyelectrolytes such as proteins di.d not really become possible until Peterson and Sober 19-21 prepared the cation exchan.o[r] ...
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INTERPOLYELECTROLYTE COMPLEXES AS PROSPECTIVE CARRIERS FOR CONTROLLED DRUG DELIVERY
... scenario, polymers as carriers have revolutionized the drug delivery ...of polymers in a solitary system is the complexation of polymers to form polyelectrolyte ...synthetic polymers and the ...
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Dry-strength development by polyelectrolyte complex deposition onto non-bonding glass fibres
... of polyelectrolytes had almost zero tensile strength, making it possible to attribute essentially all of measured strength to the effects of ...combustible polyelectrolytes on the fiber ...
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The bio physics of condensation of divalent cations into the bacterial wall has implications for growth of Gram positive bacteria
... Keywords: Gram-positive bacteria; teichoic acid; cell wall; metal cations; polyelectrolytes;... The bacterial cell wall is formed by a rigid network of carbohydrates peptidoglycan and.[r] ...
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Permeation of polyelectrolytes and other solutes into the pore spaces of water-swollen cellulose: A review
... The same effect of thermal energy underlying the previously mentioned diffusion of ions and polyelectrolytes also causes very small suspended particles to undergo ceaseless semi-random motion (Einstein 1905). In ...
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Electrostatic self-assembly of multilayer copolymeric membranes on the surface of porous tantalum implants for sustained release of doxorubicin
... Abstract: Many studies in recent years have focused on surface engineering of implant materials in order to improve their biocompatibility and other performance. Porous tantalum implants have increasingly been used in ...
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Molasses based Spentwash Decolorization by Coagulation & Flocculation
... of polyelectrolytes investigation based on the maximum removal efficiencies of chemical oxygen demand (COD) and color, residual turbidity and settling characteristics of flocs is ...
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Some current geotechnical research at Trinity College Dublin
... Active research areas/projects, including publications • Novel ground improvement techniques a Biopolymers, polyelectrolytes and microbial-induced carbonate precipitation; b Vacuum conso[r] ...
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Synthesis and Characterization of Metal-B-diketonate Coordination Complexes and Polymers
... A mononuclear [M(tba) 2 (H 2 O) 2 ] (3: M = Mn, 4: M = Ni, 5: M = Zn; tba = deprotonated of 1) complexes have been prepared by the reaction of 3-benzoyl-1.1.1-trifluoro-acetone (H-tba: 1) with M(OAc) 2 .nH 2 O (M = Mn, ...
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