(2-Hydroxy-3-phenoxy)propyl methacrylate (PPMA) and (2-hydroxy-3-tetrahydrofurfuryloxy)propyl methacrylate (THPMA) were polymerised using benzoyl peroxide as initiator in 1,4-dioxane at 60 °C. The polymers were characterized by gel permeation chromatography (GPC), differential scanning calorime...

Methacrylates such as methyl methacrylate (6), triethyleneglycol dimethacrylate (5) and bisphenol A glycidyldimethacrylate, bis-GMA, (8) are widely used as materials in dental resins perturbation of the phosphatidylcholine–cholesterol interaction. Such effects of aromatic methacrylates may be i...

The structural evolution of Y zeolite (Si/Al=2.17) weakly dealuminated by hexafluorosilicate (Si/Al= 3.13), denoted YD, and exchanged with calcium (CaYD) or lanthanum (LaYD), has been studied after acid-base treatments at 80°C close to the cation exchange conditions. The stability of the sample...

The structural evolution of Y zeolite (Si/Al 2.17) weakly dealuminated by hexafluorosilicate (Si/Al 3.13), denoted YD, and exchanged with calcium (CaYD), has been studied after acid–base treatments at 80 °C close to the cation exchange conditions. The stability of the samples was followed by X...

Apatite concentrate is an important source of phosphate and contains significant amounts of rare earth elements (REEs). In this study, the possibility of selective phosphoric acid leaching of phosphate and calcium from the Esfordi (Yazd province, Iran) apatite concentrate, containing 16.3% phosp...

[Cu2(amdt)2]SiF6·C6H6 and [Cu2(amdt)2(H2O)2]SiF6·CH3CN·2H2O (amdt = 2-allylamino-5-methyl-1,3,4-thiadiazole) were obtained by alternating-current electrochemical synthesis, starting from water–acetonitrile–benzene mixtures containing 2-allylamino-5-methyl-1,3,4-thiadiazole and CuSiF6·4H2O....

Objectives: To improve the calcium phosphate precipitation (CPP) method for the occlusion of dentine tubules with calcium phosphate, the addition of calcium hexafluorosilicate (CaSiF6) to CPP solution was evaluated in vitro with respect to its occluding capacity and the composition of the precip...

One of the promising future nuclear energy systems, the Sodium-cooled Fast Reactor (SFR) has been actively developed internationally. Recently, to improve safety and economics of a SFR further, coupling supercritical CO2 power cycle was suggested. However, there can be a chemical reaction betwee...

The purpose of this study was to develop an accurate and precise analytical procedure for the determination of the content of antimony in coordination compounds of metal(II) hexafluoroantimonates(V) (M(SbF6)2 compounds, where M=Mg, Ca, Sr or Ba) synthesized in our laboratory. The major problem w...

Preparation and properties of (9-oxo-9H-fluoren-2-yl)-phenyl-iodonium hexafluoroantimonate(V) as a new photoinitiator for the cationic polymerisation of epoxides are shown. Sensitivity of the cation as well as the anion against moisture is examined by XPS and IR spectroscopy. Photolysis of the i...

The preparation and characterization by X-ray crystallography of transition metal sulfur dioxide hexafluoroarsenates of the general formula [M(SO2)x](AsF6)2 1 (1a: M=Mn, x=2; 1c: M=Co, x=4; 1e: M=Cu, x=4) and the hexafluoroantimonate [Co(SO2)2](SbF6)2 3 is reported. The structural features of th...

We prepared p-substituted N-benzylanilinium hexafluoroantimonates, known cationic initiators, and examined their thermal reaction. The thermal reaction produced 2- or 4-benzylanilinium salts as the major products, which resulted from the rearrangement of the benzyl group. The reaction proceeded ...

The rare-earth doped fiber with spectral blue-shift based on long afterglow luminescent materials SrAl2O4:Eu2+,Dy3+ phosphors and an organic cationic photoinitiators-triarylsulfonium hexafluoroantimonate (TSHF) in the presence of polypropylene substrate (PP) was prepared by melt-spinning process...

Dichlorobis(2,4-pentanedionato)tin(IV), SnCl2(C5H7O2)2, crystallizes in the monoclinic space group C2/c with a = 13.937(4), b = 7.864(2), c = 13.746(4) Å, β = 107. 75((1),°, Z = 4, Dc = 1. 796(1) g/cc, and Dm = 1.78 g/cc. The crystal structure was solved by conventional Patterson and Fourier m...

A series of novel tin(IV)-heteroaryl alkenolates of the general formula [Sn(DMOTFP)2X2] (3–6, X = F, Cl, Br, I) were prepared by direct oxidative halogenation of the corresponding tin(II) derivative [SnII(DMOTFP)2] (2) and by cleavage of the carbon-tin bonds in diphenyltin dichloride [Ph2SnCl2]...

The Raman spectra of liquid tetramethyldiborane and 1,1-dimethyldiborane at −70°C, together with qualitative states of polarisation, are presented. A vibrational assignment is given, using both infrared and Raman data. The effect of Fermi resonance on peaks in the 2000 cm−1 region is discussed.

Aluminum based surfaces are routinely coated with a chromate based layer that provides unparalleled corrosion protection. Widely used conversion coating treatment formulations contain hexafluorozirconate as a major constituent besides chromate, ferricyanide, fluoride, and fluoborate. The functio...

The crystal structure of CsReF6, together with a reinvestigation of that of BaSiF6, is reported. Both have been determined from single crystal three-dimensional X-ray diffraction data. The structure of BaSiF6 has been found to conform to the initially assigned space group R3m, contrary to the su...

Iron hexachloroplatinate (FePtCl6) films have been prepared by mixing Fe2+ and PtCl62- ions in an aqueous KBr solution. The electrochemical quartz crystal microbalance (EQCM), rotating ring-disk electrode, UV–visible absorption spectroscopy, stopped-flow kinetic method and cyclic voltammetry we...

In this paper, magnetic properties of CoPt thin films electrodeposited from an aqueous hexachloroplatinate solution at pH 5.5, in presence of saccharin as an additive, are reported. The electrodeposition was carried out on a sputtered Ru-substrate at controlled potential. X-ray diffraction measu...