Materials Literature
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Abstract Physical properties of blown films (25‐60‐μm thickness) from compounded mixtures of linear low‐density polyethylene (LLDPE) and starch were investigated. As starch content increased, tensile strength, percent elongation, and light transmittance decreased and film thickness increased. Among the tested films, s…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe ordered bicontinuous double-diamond morphology in diblock copolymer/homopolymer blendsKaren I. Winey, Edwin L. Thomas, and Lewis J. FettersCite this: Macromolecules 1992, 25, 1, 422–428Publication Date (Print):January 1, 1992Publication History Published online1 May 2002…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSilicon carbonitride from polymeric precursors: thermal cross-linking and pyrolysis of oligosilazane model compoundsN. S. Choong Kwet Yive, R. J. P. Corriu, D. Leclercq, P. H. Mutin, and A. ViouxCite this: Chem. Mater. 1992, 4, 1, 141–146Publication Date (Print):January 1, 1…
A detailed study of protonic conductivity in Nd-doped BaCeO3 is made using water-uptake and galvanic-cell measurements to supplement the conductivity results. Samples were pretreated at 900°C at different PH2O atmospheres and the conductivity measured with a frozen-in proton concentration. Isotope effect (D2O versus H…
The phase evolution, under thermal treatment, of the 12-molybdo(tungsto)phosphoric acids and their related 1-vanado-substituted compounds has been studied by in situ X-ray diffraction methods. The anhydrous acid temperature range is clearly observed for the 12-molybdo(tungsto)phosphoric acid parents via formation of a…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMechanistic modeling of epoxy-amine kinetics. 1. Model compound studyJovan Mijovic, Arnon Fishbain, and Jony WijayaCite this: Macromolecules 1992, 25, 2, 979–985Publication Date (Print):January 1, 1992Publication History Published online1 May 2002Published inissue 1 January…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPhotocatalytic oxidation of organic compounds by polyoxometalates of molybdenum and tungsten. Catalyst regeneration by dioxygenA. Hiskia and E. PapaconstantinouCite this: Inorg. Chem. 1992, 31, 2, 163–167Publication Date (Print):January 1, 1992Publication History Published o…
Nanocrystalline (nc) metals show significant differences in their thermodynamic properties, such as specific heat at constant pressure and thermal expansion, in comparison to polycrystalline metals. These properties are explained in terms of a macroscopic analysis. Based on a quasiharmonic approximation, the thermodyn…
Properties of synchrotron radiation optical elements of a diffraction beamline synchrotron data measurement accuracy and the mapping of charge densities with synchrotron radiation anomalous scattering time resolved studies and the response of crystals to external perturbations multi-wavelength methods high resolution…
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ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMicellization of polystyrene-poly(ethylene oxide) block copolymers in water. 5. A test of the star and mean-field modelsRenliang Xu, Mitchell A. Winnik, Gerard Riess, Benjamin Chu, and Melvin D. CroucherCite this: Macromolecules 1992, 25, 2, 644–652Publication Date (Print):J…
Submicrometer SiC ( β ‐form) powders were synthesized by reacting silica and carbon black at temperatures between 1450° and 1800°C. Simultaneous application of vacuum and mixing provides the condition for full conversion of silica to SiC. It was shown that two different reaction mechanisms are possible, depending on t…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTA polyoxometalate incorporating an organoimido ligand: preparation and structure of [Mo5O18(MoNC6H4CH3)]2-Yuhua Du, Arnold L. Rheingold, and Eric A. MaattaCite this: J. Am. Chem. Soc. 1992, 114, 1, 345–346Publication Date (Print):January 1, 1992Publication History Published…
As fragments of the V2O5 layer structure (shown right; spheres for bridging O atoms are large and shaded, for terminal O atoms large and open, and for V atoms small and open) the recently prepared, novel polyvanadate structures mentioned in the title are reported and systematized. In contrast to the classical polyoxoa…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPreparation of colloidal gold by photoreduction of tetracyanoaurate(1-)-cationic surfactant complexesKanjiro Torigoe and Kunio EsumiCite this: Langmuir 1992, 8, 1, 59–63Publication Date (Print):January 1, 1992Publication History Published online1 May 2002Published inissue 1…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTTemperature-dependent relaxation of the crystal-amorphous interphase in poly(ether ether ketone)Pengtao Huo and Peggy CebeCite this: Macromolecules 1992, 25, 2, 902–909Publication Date (Print):January 1, 1992Publication History Published online1 May 2002Published inissue 1 J…
The effects of the high-temperature reduction of Rh/CeO2 catalyst on the hydrogenation of CO, CO2, acetone and ethene, and on the hydrogenolysis of ethane, in transient and continuous conditions, have been investigated. The high-temperature reduction (HTR) at 773 K induced a transient Rh–CeO2 interaction in the cataly…
A. M. Carmona-Ribeiro, Chem. Soc. Rev., 1992, 21, 209 DOI: 10.1039/CS9922100209
A digital partial discharge (PD) measuring concept which is designed to acquire not only conventional PD charge magnitudes but also statistical characteristics of PD signals which contain most significant information on insulation defects is described. The latter fact is explained by a physical discharge model for dis…
1. Introduction. Historical background. Plasma polymerization and related processes of polymer film formation. 2. Fundamentals of Plasma Physics. Electrical breakdown in a gas and the d.c. glow discharge. Characterization of low temperature plasma generated by a glow discharge. Radio frequency and microwave discharges…