Poly(N-ethylaniline) (PNEA) coatings on mild steel have been electrodeposited from 0.1 to 0.5 M aqueous oxalic acid solutions containing 0.1 M N-ethylaniline (NEA) using potentiodynamic synthesis technique. The effect of oxalic acid concentration on the corrosion behavior of PNEA coated mild ste...
A series of functional copolymers was synthesized by an emulsion polymerization of N-ethylaniline (EA) and aniline (AN) in the presence of sodium dodecylbenzene sulfonate in HCl. Several important polymer parameters including the polymerization yield, molecular weight, solubility, film formabili...
Poly(N-ethylaniline) (PNEA) coatings were deposited by potentiodynamic synthesis technique on the Fe and Pt-disc electrode. Coating conducted using oxalic acid aqueous solution containing N-ethylaniline monomer. PNEA polymer growth was found much less on Pt surface than that on Fe surface. The P...
Three novel N-doped carbon supported Co/Co3O4 catalysts, namely, [email protected]hmta, [email protected]larg and Co-Co3O4@CN-bipy, with sheet-, worm-, honeycomb-like morphologies respectively, have been fabricated by the pyrolysis of well-defined coordination polymers (CPs). Upon the as-prepare...
Poly(N-ethylaniline) (PNEA) coatings were grown by cyclic voltammetry technique on copper from 0.1 M N-ethylaniline (NEA) in 0.3 M oxalic acid solution. The optimum conditions (e.g. upper potential limit, scan rate and cycle number) effect on corrosion performance of synthesized PNEA films were ...
Novel poly(N-ethylaniline)/lignosulfonate (PNA–LS) composites were prepared via an in situ polymerization of N-ethylaniline (NA) with lignosulfonate (LS) as a dispersant. Nitrogen-containing carbon materials were obtained by direct pyrolysis of the PNA–LS composites at the pyrolytic temperatur...
The oxidation of n-propylbenzene (NPB) was studied in a jet-stirred reactor (JSR) equipped with online GC and GC–MS for temperatures ranging between 700 and 1100 K, at φ = 0.4–2.0. In addition, laminar flame speeds were measured at p = 1, 3 and 6 bar at a preheat temperature of T = 473 K, and...
We calculate the derivatives of best estimates of kinetic parameters of an n-propylbenzene shock tube oxidation model, as determined by a weighted least-squares optimisation, with respect to experimental observations and compare these derivatives to some influence diagnostics based on omission o...
The evaluation of using 1-butyl-3-methylimidazolium hexaflurophosphate ionic liquid, [bmim][PF6], as a solvent for the extraction of propylbenzene from aliphatic compounds was studied. The (liquid + liquid) equilibrium (LLE) for two ternary systems comprising {dodecane or tetradecane + propylben...
The high pressure and high temperature kinetics of n-propylbenzene pyrolysis were investigated in the High Pressure Single Pulse Shock Tube at University of Illinois at Chicago. Experiments were performed at a nominal pressure of 50 atm, with the temperatures ranging from 1027 to 1678 K. A varie...
Ultrafast relaxation dynamics of n-propylbenzene (n-PB) cation were studied by delayed photofragmentation and photoelectron spectroscopy. Multiphoton ionization (MPI) by the fundamental pulse at ∼800 nm was used to prepare the n-PB cations. The photoelectron image for MPI was captured and chara...
The effects of n-propylbenzene addition to n-dodecane on soot formation and aggregate structure in a laminar coflow diffusion flame is investigated. The goal is to gain insight on the influence of n-propylbenzene addition to n-dodecane on the underlying mechanisms of soot formation processes. Th...
A numerical study is performed to investigate the effects of n-propylbenzene addition to n-dodecane on soot formation in a laminar coflow diffusion flame. The numerical model employed uses a gas-phase kinetic mechanism which describes the pyrolysis and oxidation of the fuel, and the formation of...
The development of alternative drop-in fuels and fuel blends with petroleum-derived fuels necessitate an understanding of the kinetic interactions between aromatics and alkanes for the development of advanced low-temperature combustion engines. In the present study, the role of aromatic chemistr...
This work presents a comprehensive experimental and kinetic modeling study on the combustion of n-propylbenzene. Flow reactor pyrolysis of n-propylbenzene at 0.04, 0.2 and 1 atm and laminar premixed flames of n-propylbenzene at 0.04 atm with equivalence ratios of 0.75 and 1.00 were investigated ...
Co-annular smoke-free laminar diffusion wick-fed flames of dodecane, aviation bio-paraffins and each blended with various amounts of propylbenzene of 10, 20, 25 vol% have been used to study soot formation. A light extinction method is adopted to determine the total soot volume (TSV) as a functio...
The direct synthesis of lactones is performed by double carbonylation of (2-bromoethyl)benzene under carbon monoxide pressure. The reaction is catalyzed by Sn(Co(CO)4))4 in the presence of a base in hydro-alcoholic medium.
2-Butylamino-6-methyl-4-nitropyridine-N-oxide (2B6M) belongs to a group of compounds that can undergo not only excited-state intra-, but also intermolecular proton transfer. The latter of course requires the presence of dimeric species. Previously, we have shown that for 2B6M in aprotic non-pola...
Cinnamyl acetate is known for its use as flavor and fragrance material in different industries such as food, pharmaceutical, cosmetic etc. This work focuses on ultrasound assisted lipase (Novozym 435) catalyzed synthesis of cinnamyl acetate via transesterification of cinnamyl alcohol and vinyl a...
By using fragments endowed with interesting and complementary properties for the treatment of Alzheimer's disease (AD), a novel series of cinnamamide-dibenzylamine hybrids have been designed, synthesized, and evaluated biologically. In vitro assay indicated that most of the target compounds...
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