Materials Literature
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Radiation vulcanization of raw EPDM in the presence of polyfunctional monomers; diallylamine, diallylsulphide, ethylene glycol dimethacrylate, NN-methylene bis-acrylamide, triallyl cyanurate, trimethyloyl propane trimethacrylate and tetramethylol methane tetraacrylate has been carried out. The efficiency of the monome…
V and MgO films of various thicknesses were deposited on the (001)MgO surface of a MgO substrate by molecular beam epitaxy to prepare two different interfaces: V[sbnd]MgO and MgO[sbnd]V. Cross-sectional specimens were prepared from … V/MgO/V/MgO multilayers and the V[sbnd]MgO and MgO[sbnd]V interfaces were investigate…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPrediction of Metal Hydride Heat Transformer Performance Based on Heat Transfer and Reaction KineticsM. Ram Gopal and S. Srinivasa MurthyCite this: Ind. Eng. Chem. Res. 1995, 34, 7, 2305–2313Publication Date (Print):July 1, 1995Publication History Published online1 May 2002P…
The title compound, crystallized from the solution produced by dissolution of thorium carbonate in hot, aqueous picric acid ( Hpic , 2,4,6-trinitrophenol) as pale yellow needles, has been the subject of a room-temperature single-crystal X-ray study and found to be [( pic )(H2O)6Th(µ-OH)2Th(OH2)6( pic )]( pic )4.20H2O.…
Abstract Irradiation of neat PVC at λ inc = 254 nm under air induces the formation of conjugated double bonds, (CHCH) n (quantum yield ϕ ≈︁ 1.6 · 10 −4 for n = 3). Simultaneously, CCl bonds are split (ϕ ≈︁ 8 · 10 −2 ). With the aid of FTIR spectroscopy the following oxidation products were detected: OH, CHCHC…
Theoretical investigation is made into ion sound propagation and damping in strongly coupled plasmas near the Wigner crystallization of the ion subsystem. Sound velocity grows with the strengthening of the coupling, and sound decay is due to ion viscosity. The transition from the collisional mechanism of viscosity to…
Abstract Sequential irradiation with monochromatic light of 500, 480, 460, 430 nm of CdS nanocrystals (Q-CdS), whose average diameter was 4.9 nm with the standard deviation of 2.0 nm, steadily narrowed the size distribution to finally give a Q-CdS colloid having an absorption spectrum characteristic of highly monodisp…
In the atmospheric corrosion of copper, nickel, and iron, the adsorption of water affects the corrosion rates. Knowledge of water adsorption and metal oxyhydroxide formation is important in understanding the atmospheric corrosion process. The adsorption of water on copper, nickel, and iron in humid air is accompanied…
Abstract Both the inner surface and the void system of different cellulose regenerate fibers are investigated with X‐ray small angle scattering. Thereby it turns out that all fibers have a void system of 0.01 to 0.1% (volume fraction 10 −4 –10 −3 ). However, the amount of the void system has little influence on the me…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTIsothermal Crystallization of End-Linked Poly(tetrahydrofuran) Networks. 2. Molecular Weight DependenceHiroshi Takahashi, Mitsuhiro Shibayama, Manabu Hashimoto, and Shunji NomuraCite this: Macromolecules 1995, 28, 16, 5547–5553Publication Date (Print):July 1, 1995Publication…
2, 6-Diacetylpyridine (N-benzoyl)glycylhydrazone, dapbgh, has been prepared and characterised. Lanthanide metal complexes of the empirical formula [Ln(dapbgh)2] C13.H2O, where Ln = La, Pr, Nd, Sm, Eu, Gd, Tb, Dy and Y, have been synthesized and characterised by elemental analyses, electrical conductance, magnetic susc…
Abstract Adsorption of Triton X‐100 on various silica substrates has been investigated. A number of solids, including a natural quartz, this quartz washed with HCl acid and subsequently heated at 1273 K; two aerosils and one Kieselgel silicas were studied. These solids exhibit surface areas in the range of 5 to 430 m…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTA Synchrotron Radiation Electric Field X-ray Solution Scattering Study of DNA at Very Low Ionic StrengthM. H. J. Koch, Z. Sayers, P. Sicre, and D. SvergunCite this: Macromolecules 1995, 28, 14, 4904–4907Publication Date (Print):July 1, 1995Publication History Published onlin…
The new Basolan AS process for wool dyeing is described. The process restricts the deterioration of wool properties that occurs as a result of dyeing. This is achieved through a reduction in the extent to which wool is permanently set during dyeing. Two options are available to the dyer involving the addition of antis…
A review was given for our search for halide ferroelectrics with the chemical formula A 2 BX 4-type, having structure of β-K2SO4-type and Sr2GeS4-type.
Abstract A novel synthesis of linear high‐molecular‐weight poly(4‐vinylphenol) (PVPh) and poly[styrene‐ co ‐(4‐vinylphenol)] (STVPh, 2 ) via demethylation reaction is developed. The parent polymers, poly(4‐methoxystyrene) and poly[styrene‐ co ‐(4‐methoxystyrene)] produced by free‐radical polymerization, are converted…
New poly(azomethine sulfones) with linear structures containing sulfonyl bis(4-phenoxyphenylene) and oxo bis(benzylideneaniline) or methylene bis(benzylideneaniline) units were prepared in the conventional literature manner by condensing the dialdehyde sulfone monomer (V) with diamines such as 4,4′-oxydianiline (IIIa)…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTControl over Nanopits on the Basal Plane of Graphite by Remote Argon Plasma and Subsequent Thermal OxidationA. Tracz, A. A. Kalachev, G. Wegner, and J. P. RabeCite this: Langmuir 1995, 11, 7, 2840–2842Publication Date (Print):July 1, 1995Publication History Published online1…
Abstract— The display quality of active‐matrix LCDs has been greatly improved. However, the problem of narrow viewing angle has not yet been sufficiently solved. In order to solve this problem, a new LCD comprised of a bend‐alignment LCD cell with an optical compensator was designed. The improvement is shown by theore…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPolyoxometalate-Diphosphate Complexes. 4. Structure of Na4[(O3PCHN(CH3)2PO3)W2O6].cntdot.11H2OUli Kortz and Michael T. PopeCite this: Inorg. Chem. 1995, 34, 14, 3848–3850Publication Date (Print):July 1, 1995Publication History Published online1 May 2002Published inissue 1 Ju…