Materials Literature
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ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTDual-mode transport of penetrants in glassy polymersGlenn H. Fredrickson and Eugene HelfandCite this: Macromolecules 1985, 18, 11, 2201–2207Publication Date (Print):November 1, 1985Publication History Published online1 May 2002Published inissue 1 November 1985https://pubs.ac…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSpectroelectrochemistry of a .mu.-nitrido-bridged iron phthalocyanine dimerLawrence A. Bottomley, Jean Noel Gorce, Virgil L. Goedken, and Claudio ErcolaniCite this: Inorg. Chem. 1985, 24, 23, 3733–3737Publication Date (Print):November 1, 1985Publication History Published onl…
The equilibrium phase diagrams of Cu–Cr, Cu–Mo, and Cu–W show no measurable solid solubility except for a small solubility of Cr in solid Cu at higher temperatures. Even in the liquid state, the mutual solubilities in these systems are very limited. Simultaneous vapor deposition of elements on unheated substrates was…
Abstract Structurally uniform polymeric phthalocyanines 5a – e , containing imido end groups, were synthesized by reaction of different derivatives of 1,2,4,5‐benzenetetracarboxylic acid, 2a – d , with metal salts, urea and a catalyst. 5a – e were converted into polymers 3 , 4 and 6 , containing anhydride, carboxylic…
Atomic pair correlation functions for liquids provide an image of temperature-dependent short-range order. If the thermal ensemble of atomic configurations is mapped (by steepest descent on the potential hypersurface) onto potential energy minima, the pair correlation function from the resulting transformed configurat…
Abstract Polymers 3 were prepared by reaction of 1,2,4,5‐benzenetetracarbonitrile ( 2 ) or 2,3,9,10,16,17,23,24‐(29 H , 31 H )‐phthalocyanineoctacarbonitrile ( 5a ) with various metal salts or metals. The polymer structures were investigated by comparing their IR and UV/VIS spectra with those of 5 . Structurally unifo…
The transpassive dissolution of Ni in acidic sulfate media, including the influence of crystallographic orientation, was investigated. The surface plane had low index values, that is (100), (110), and (111). This study was largely based on the analysis of complex impedance. (100) and (110) specimens showed identical e…
Abstract From this work, one can conclude that compositions which have excellent mechanical properties can be prepared by melt-mixing thermoplastic vulcanizates. (A thermoplastic vulcanizate is a composition containing vulcanized rubber particles dispersed in a thermoplastic. Such a composition is usually prepared by…
EPR spectra of ${\mathrm{Cr}}^{3+}$, S=(3/2), substituting for ${\mathrm{Ti}}^{4+}$ are reported as a function of temperature T in all four phases of ${\mathrm{BaTiO}}_{3}$. In the three ferroelectric phases (FEP's), the principal axis of the Hamiltonian is always along the polar axis. There are two crystal-field term…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMagnetic properties of dimeric disubstituted-triazole copper(II) compounds. X-ray structure of bis[.mu.-3,5-bis(pyridin-2-yl)-1,2,4-triazolato-N',N1,N2,N"]bis[aqua(trifluoromethanesulfonato-O)copper(II)]Rob Prins, Paul J. M. W. L. Birker, Jaap G. Haasnoot, Gerrit C. Verschoo…
Abstract Models for helicoidal cholesteric structures are proposed for some cellulose derivative/solvent systems. The pitch of these structures is determined by independent methods as a function of temperature, concentration, solvent, degree of polymerization. The results are discussed on the basis of available theore…
Fully dense aluminas, prepared by hot‐pressing, were found to swell during annealing at 1600°C in air, but not during annealing in a reducing atmosphere (po 2 = 10 ‐7 Pa). The reaction followed the relation p ‐ po = ‐K log t, where p o and p are the initial and final densities, respectively, t is the time, and AT is a…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMechanical measurements in the reaction bath during the polycondensation reaction, near the gelation thresholdM. Adam, M. Delsanti, and D. DurandCite this: Macromolecules 1985, 18, 11, 2285–2290Publication Date (Print):November 1, 1985Publication History Published online1 Ma…
Amorphous carbon films, a-C, were prepared by employing dc magnetron sputtering of a graphite target in an argon plasma. A series of a-C films were deposited as a function of sputtering power. The power was varied in the range 5–500 W and the target effective sputtering area was about 20 cm2. The physical and optical…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTStudy of miscibility and critical phenomena of deuterated polystyrene and hydrogenated poly(vinyl methyl ether) by small-angle neutron scatteringMitsuhiro Shibayama, Richard S. Stein, and Charles C. HanCite this: Macromolecules 1985, 18, 11, 2179–2187Publication Date (Print)…
Article Tricalcium Silicate Ca3O[SIO4]: The monoclinic superstructure was published on November 1, 1985 in the journal Zeitschrift für Kristallographie - Crystalline Materials (volume 172, issue 1-4).
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPolymerization of monomers containing functional silyl groups. 1. Anionic living polymerization of (4-vinylphenyl)dimethyl-2-propoxysilaneAkira Hirao, Takahiro Nagawa, Toshio Hatayama, Kazuo Yamaguchi, and Seiichi NakahamaCite this: Macromolecules 1985, 18, 11, 2101–2105Publ…
The type and nature of dislocations in oxide ceramics are reviewed and compared. Slip systems in these materials tend to be limited and difficult to activate, and Burgers vectors are often large. Thus, dislocation dissociation has been an important theme of research and climb dissociation has been frequently observed.…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTDispersion of powders in liquids. 1. The contribution of the van der Waals force to the cohesiveness of carbon black powdersP. A. Hartley and G. D. ParfittCite this: Langmuir 1985, 1, 6, 651–657Publication Date (Print):November 1, 1985Publication History Published online1 Ma…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTDynamics of spin-state interconversion and cooperativity for ferric spin-crossover complexes in the solid state. 3. Bis[N-(2-(benzylamino)ethyl)salicylaldiminato]iron(III) complexesMark D. Timken, David N. Hendrickson, and Ekkehard SinnCite this: Inorg. Chem. 1985, 24, 23, 3…