نتایج جستجو برای: suspension polymerization
تعداد نتایج: 64388 فیلتر نتایج به سال:
polybutadiene nanoparticles were synthesized via batch emulsion polymerization of butadiene in the presence of potassium persulfate, disproportionate rosinate potassium cation and t-dodecyl mercaptane as initiator, emulsifier and chain transfer agent, respectively. polymerization reaction was performed at different temperatures (60, 70 and 80 °c). conversion was measured at the various time int...
In this study, the adsorption of tetracycline (TC) onto polymeric microbeads was investigated. For purpose, suspension polymerization used to synthesize poly(2-hydroxyethyl methacrylate) [poly(HEMA)] microbeads. Cibacron Blue F3GA (CB) covalently attached poly(HEMA) and were tested as an adsorbent for subsequent TC adsorption. The effects various parameters, such pH value, initial concentration...
This paper reports the results obtained from determination of ascorbic acid with platinum-based voltammetric sensors modified potassium hexacyanoferrate-doped polypyrrole. The preparation electrodes was carried out by electrochemical polymerization pyrrole aqueous solutions, using chronoamperometry. Polypyrrole films were deposited on surface platinum electrode, applying a constant potential 0....
Herewith we report the first attempt towards non-covalent immobilization of Trametes versicolor laccase on neat and magnetically responsive highly porous polyamide 6 (PA6) microparticles their application for catechol oxidation. Four supports, namely PA6 such carrying Fe, phosphate-coated Fe Fe3O4 cores were synthesized in suspension by activated anionic ring-opening polymerization (AAROP) ?-ca...
The purpose of designing the active suspension systems is providing comfort riding and good handling in different road disturbances. In this paper a novel control method based on adaptive neuro fuzzy system in active suspension system is proposed. Choosing the proper data base to train the ANFIS has an important role in increasing the suspension system’s performance. The data base which is used...
Grafting polymerization was a valuable method for the modification of the chemical and physical properties of polymer surfaces. In this paper, the grafting of cationic vinyl monomer with quaternary ammonium groups, methacryloxyethyltrimethyl ammonium chloride (DMC), onto the isotactic polypropylene (iPP) granule was performed by suspension solid-state grafting process. The techniqu...
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