Materials Literature
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Density measurements of aqueous solutions of ethanol, t-butanol, and hydrazine in the temperature range from 50 °C down to nucleation are presented. From these data, solute partial molar volumes and temperatures of maximum density are determined. The partial molar volumes of the alcohol solutions at low concentration…
Abstract FT‐IR spectroscopic studies have been performed in an attempt to elucidate the nature of the specific interactions occurring in miscible poly(ϵ‐caprolactone) (PCL)‐poly (vinyl chloride) (PVC) blends. Studies of low molecular weight analogues, polymer/solvent mixtures and blends of PCL and α‐deuterated PVC are…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTFire- and heat-resistant laminating resins based on maleimido-substituted aromatic cyclotriphosphazenesDevendra Kumar, George M. Fohlen, and John A. ParkerCite this: Macromolecules 1983, 16, 8, 1250–1257Publication Date (Print):August 1, 1983Publication History Published onl…
The aim of this work is the study of the order-disorder distribution of the Fe3+ cations in a dioctahedral smectite: the Garfield nontronite. The structural characteristics have been determined by selected-area electron diffraction, oblique texture electron diffraction and X-ray diffraction. These methods lead to the…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTInteraction of (phthalocyaninato)iron(II) with molecular oxygen: synthesis and characterization of two different crystalline forms of (.mu.-oxo)bis[(phthalocyaninato)iron(III)]C. Ercolani, M. Gardini, F. Monacelli, G. Pennesi, and G. RossiCite this: Inorg. Chem. 1983, 22, 18…
Relative enthalpy, and heat capacities of CaMgSi 2 O 6 (Di) stable liquid and glass; of KAlSi 3 O 8 (Sa) stable and supercooled liquid and glass; of NaAlSi 3 O 8 (Ab) liquid derived directly by melting solid albite; of crystalline, disordered albite itself; and of NaAlSiO 4 (Ne) liquid and glass. The effect of anneali…
La${\mathrm{Ir}}_{2}$${\mathrm{Si}}_{2}$ has a high-temperature form crystallizing in the primitive tetragonal Ca${\mathrm{Be}}_{2}$${\mathrm{Ge}}_{2}$-type structure (space group $\frac{P4}{\mathrm{nmm}}$; $a=4.191$ \AA{}, $c=9.944$ \AA{}), and a low-temperature form of the body-centered tetragonal Th${\mathrm{Cr}}_{…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTEXAFS structure and magnetic properties of a CuIINiII .mu.-oxalato mixed linear chainMichel Verdaguer, Miguel Julve, Alain Michalowicz, and Olivier KahnCite this: Inorg. Chem. 1983, 22, 18, 2624–2629Publication Date (Print):August 1, 1983Publication History Published online1…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThermotropic polyesters. 2. Investigation of the mesophase properties of polymers based on 4,4'-dihydroxybiphenylW. R. Krigbaum, J. Watanabe, and T. IshikawaCite this: Macromolecules 1983, 16, 8, 1271–1279Publication Date (Print):August 1, 1983Publication History Published o…
▪ Abstract The phase-field method has recently emerged as a powerful computational approach to modeling and predicting mesoscale morphological and microstructure evolution in materials. It describes a microstructure using a set of conserved and ...Read More
Abstract The situation of the general theory of plasticization is discussed. It is shown that the existing theories satisfactorily describe only particular cases, therefore exhibiting limited predicting capability. If the polymer and plasticizer compatibility is being evaluated unambiguously within the scope of the th…
Single crystals of tetramethylammonium tetrabromomanganate {N(CH 3 ) 4 } 2 -MnBr 4 were grown, and the phase transition was studied by dielectric measurements. The crystal shows a phase transition at 3.5°C. The transition temperature increases linearly with increasing hydrostatic pressure with a slope of 0.185 deg MPa…
The term trapping is used extensively to refer to the fact that interstitial atoms often find interstices associated with lattice imperfections to be energetically preferable to normal sites. This preference results in a delay of diffusion of interstitial atoms near these sites. As understanding of the details of latt…
M S El-Samaligy, P Rohdewald; Reconstituted collagen nanoparticles, a novel drug carrier delivery system, Journal of Pharmacy and Pharmacology, Volume 35, Issue
Abstract Thermal and thermo‐oxidative degradation of poly(vinyl chloride)s (PVCs) containing increased concentrations of allylic chlorines, PVC(A)s, prepared by controlled chemical dehydrochlorination with potassium‐ t ‐butoxide ( t ‐BuOK) have been studied. The introduction of small amounts of internal allylic chlori…
The annealing behavior of spin coated thin films prepared from solutions of As2S3 dissolved in n-propylamine and n-butylamine has been investigated using IR, mass spectrometry, thermogravimetric analysis, and scanning calorimetry. As prepared films containing arsenic sulfide glass domains with surfaces reacted as alky…
Gallium is a metal that literally melts in your hand. It has low toxicity, near-zero vapor pressure, and a viscosity similar to water. Despite possessing a surface tension larger than any other liquid (near room temperature), gallium can form nonspherical ...Read More
Experiments measured the transfer of heat through protective fabrics when the exposure is to a convective source (open flame). An instrumented calorimeter located on the opposite side of the fabric measured the heat transferred. Heat flux data were used to compute a burn protective index based on data on the tolerance…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSurface-enhanced Raman spectroscopy of adsorbates on semiconductor electrode surfaces: tris(bipyridine)ruthenium(II) adsorbed on silver-modified n-gallium arsenide(100)Richard P. Van Duyne and Jeanne P. HaushalterCite this: J. Phys. Chem. 1983, 87, 16, 2999–3003Publication D…
We consider a suspension of particles in a fluid settling under the influence of gravity and dispersing by Brownian motion. A mathematical description is provided by the Stokes equations and a Fokker–Planck equation for the one-particle phase space density. This is a nonlinear system that depends on a number of parame…