Materials Literature
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Glycerin-plasticized soy protein films were produced by casting heated alkaline (pH 8.5) protein solutions. Acetic anhydride, succinic anhydride, calcium cations, and formaldehyde were added to the film-forming solutions and their effects on film water solubility (WS), tensile strength (TS), puncture strength (PS), wa…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTESR Characterization of ZrO2 NanopowderHuiwen Liu, Liangbo Feng, Xushou Zhang, and Qunji XueCite this: J. Phys. Chem. 1995, 99, 1, 332–334Publication Date (Print):January 1, 1995Publication History Published online1 May 2002Published inissue 1 January 1995https://doi.org/10.…
The effects of exposure to ultraviolet (UV) light and ozone, separately and in combination, were investigated with respect to polypropylene (PP) and poly(ethylene terephthalate) (PET) surfaces. Three combinations of UV light and ozone were studied: ozone only, UV light in air (producing ozone), and UV light in air (pr…
Irene Emery was one of America's leading authorities on ancient fabrics and textiles before her death in 1981. Her studies led her to become increasingly concerned with the haphazard and confusing terminology for describing fabrics in a precise way, and she began serious study of this problem at the Laboratory of Anth…
A new atomic electron-density function is derived by Fourier transformation of resolution-truncated atomic scattering factors. It forms the basis of a new real-space refinement method, RSREF, that is a substantial improvement on prior implementations that did not formally consider the absence of high-resolution terms…
Three types of polymer-protected bimetallic clusters of noble-metals, prepared by simultaneous alcohol reduction, have been totally shown to have special ‘core-shell’ structures, on the basis of X-ray diffraction and quantitative X-ray photoelectron spectroscopic measurements. In situ UV–VIS spectral changes during th…
Type I collagen, the most abundant protein of the body, is preferentially synthesized in bone, dermis, and tendons by two cell types, the osteoblast and the fibroblast. The expression of type I collagen is increased in the various forms of fibrosis such as lung, liver, bone marrow fibrosis and scleroderma. Type I coll…
Acoustic Cavitation in a Liquid Theoretical Concepts of the Mechanism of Physical and Physiochemical Effect of Cavitation Sonoluminescence and Sonochemical Reactions Energetics of Sonochemical Reactions and Physicochemical Processes Caused by Cavitation Kinetics of Sonochemical Reactions Sonochemistry of Water and Aqu…
Comparison of the structures of four monomanganese (and one monoiron) complexes of ligands with the identical donor [N3(O–)3] set reveals that geometry determines the redox state of the cation.
A low-lying S= 15/2 ground state in a heptanuclear CrIIINiII6 species arises from the ferromagnetic interaction (J= 16.8 cm–1) between one central CrIII(S= 3/2) and six peripheral NiII(S= 1) ions through the cyanide bridge.
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSynthesis and Characterization of Polyaniline Derivatives: Poly(2-alkoxyanilines) and Poly(2,5-dialkoxyanilines)Giuseppe D'Aprano, Mario Leclerc, Gianni Zotti, and Gilberto SchiavonCite this: Chem. Mater. 1995, 7, 1, 33–42Publication Date (Print):January 1, 1995Publication H…
The process of the decrease of the surface area due to crystallite growth in ceria at 943 K is described by a kinetic model involving oxygen and cerium diffusion. The experimentally found variations in the rate of crystallite growth are reported as a function of the content (⩽ 10% cat.) of dopants, which are the catio…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTReaction of Methylsilanols with Hydrated Silica Surfaces: The Hydrolysis of Trichloro-, Dichloro-, and Monochloromethylsilanes and the Effects of CuringC. P. Tripp and M. L. HairCite this: Langmuir 1995, 11, 1, 149–155Publication Date (Print):January 1, 1995Publication Histo…
The present paper deals with the photophysical properties of columnar liquid crystals formed by hexakis-(alky1oxy)triphenylenes. Absorption and fluorescence spectra of solutions are analyzed on the basis of quantum chemical calculations performed by the CS-INDO-CI (conformations spectra-intermediate neglect of differe…
PART I: Simultaneous Thermoanalytical Examinations Under Conventional Conditions: Introduction Derivative Thermogravimetry (DTG) Simultaneous DTA, TG and DTG Derivative Dilatometry (DTD) Selectivity of the Measurements Thermo-Gas Titrimetry (TGT) A Continuous and Selective Water Detector Evolved Gas Analysis by Means…
Abstract In Part II of this series of publications, the first generation model of morphology evolution during polymer blending in a twin‐screw extruder was presented. The model was based on a simplified flow analysis, and an assumption that dispersion occurs via drop fibrillation followed by disintegration. In the pre…
Exposure of positive-type polyimide (PI) to linearly polarized deep UV (DUV) light (257nm) induced homogeneous alignment of nematic liquid crystals. The alignment state changed markedly at a particular energy of the UV light. Measurement of the UV absorption spectrum and retardation change generated in PI films by UV…
Quasi-elastic light scattering spectroscopy was used to measure the mutual diffusion coefficient, D,, of Triton X-100 micelles in aqueous solution and the translational diffusion coefficient, D,, of mesoscopic probes in the same solutions. We apply conventional hydrodynamic treatments of diffision under the assumption…
This is a state-of-the-art, inclusive volume exploring several families of biodegradable polymers having biomedical applications. Contributing authors are active in their disciplines and therefore provide up-to-the-minute, factual data derived from hands-on experience and cutting-edge technology. Authors were selected…
Abstract Polymer blends are defined as mixtures of at least two polymeric species. Thus, the first patent polymer blend was a mixture of natural rubber, NR, with gutta percha patented by Alexander Parkes, an artist of Birmingham, in 1846. The first man‐made polymer, nitrocellulose, NC was prepared by Braconnot in 1833…