Materials Literature
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As a result of the reassessment of the Kolmogorov-Johnson-Mehl-Avrami (KJMA) theory for the kinetics of nucleation and growth transformations, an integral-equation formulation has been developed instead of the well-known and widely used Avrami equation. The presented formulation considers interfacial and diffusional g…
Laboratory exposures of copper have been performed at exposure conditions comparable to those in the UN ECE exposure program with respect to air flow conditions, relative humidity, and concentration of the gaseous pollutants sulfur dioxide and nitrogen dioxide. Extrapolation of the weight increases in the laboratory e…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThermal and Structural Characterization of Poly(methylene-1,3-cyclopentane) Samples of Different MicrostructuresOdda Ruiz de Ballesteros, Vincenzo Venditto, Finizia Auriemma, Gaetano Guerra, Luigi Resconi, Robert Waymouth, and Anne-Lise MogstadCite this: Macromolecules 1995,…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTComposition and Temperature Dependence of the Segmental Interaction Parameter in Statistical Copolymer/Homopolymer BlendsD. W. Schubert, V. Abetz, M. Stamm, T. Hack, and W. SiolCite this: Macromolecules 1995, 28, 7, 2519–2525Publication Date (Print):March 1, 1995Publication…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTCrystal and molecular structure of .beta.-D-cellotetraose hemihydrate as a model of cellulose IIS. Raymond, A. Heyraud, D. Tran Qui, A. Kvick, and H. ChanzyCite this: Macromolecules 1995, 28, 6, 2096–2100Publication Date (Print):March 1, 1995Publication History Published onl…
During the preparation of alumina supported platinum catalysts, the precursor [Pt(NH3)4](OH)2 decomposes\nto a neutral Pt(NH3)zO species during the drying process at 120 'C. Treatment in flowing hydrogen at 180\n'C leads to partial reduction of the platinum ammine complex and formation of platinum metal particles. A\n…
Abstract New oligomers of N ‐vinyl‐2‐pyrrolidone, functionalized at one end with hydroxy functions, were obtained by radical polymerization in the presence of a hydroxylated compound, namely 2‐isopropoxyethanol, acting as chain‐transfer agent. The oligomeric samples obtained were characterized in terms of molecular we…
Summary A new Nicalon SiC‐based fibre, characterized by a low oxygen content (0–5% wt) has been studied. The absence in this fibre of a continuous Si–C–O phase, which characterized the previous NLM 202 series of fibres, induces larger mean sizes for the constituents: the fibre is composed of β‐SiC grains 5–20 run in d…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe Structure of Grafted Polystyrene Layers in a Range of Matrix PolymersC. J. Clarke, R. A. L. Jones, J. L. Edwards, K. R. Shull, and J. PenfoldCite this: Macromolecules 1995, 28, 6, 2042–2049Publication Date (Print):March 1, 1995Publication History Published online1 May 20…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTStudies on the Iron(II) meso-Oxyporphyrin .pi.-Neutral Radical as a Reaction Intermediate in Heme CatabolismIsao Morishima, Hiroshi Fujii, Yoshitsugu Shiro, and Seiyo SanoCite this: Inorg. Chem. 1995, 34, 6, 1528–1535Publication Date (Print):March 1, 1995Publication History…
Adsorption-desorption of plasma protein on various polymer membranes was evaluated by a dynamic contact angle (DCA) measurement using the Wilhelmy plate method. Poly(ethylene terephthalate) (PET) was used as a substrate membrane; we examined this membrane coated with hydrophilic polymers such as poly[2-methacryloyloxe…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPyridazine Complexes of Copper(II) Nitrate: Synthesis and Structural and Magnetic StudiesTom Otieno, Steven J. Rettig, Robert C. Thompson, and James TrotterCite this: Inorg. Chem. 1995, 34, 7, 1718–1725Publication Date (Print):March 1, 1995Publication History Published onlin…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTInfluence of Bridging Ligand Unsaturation on Excited State Behavior in Mono- and Bimetallic Ruthenium(II) Diimine ComplexesAaron I. Baba, Harry E. Ensley, and Russell H. SchmehlCite this: Inorg. Chem. 1995, 34, 5, 1198–1207Publication Date (Print):March 1, 1995Publication Hi…
ADVERTISEMENT RETURN TO ISSUEPREVarticleNEXTMultiple Bonds between Main-Group Elements and Transition Metals. 136. "Polymerization" of an Organometal Oxide: The Unusual Behavior of Methyltrioxorhenium(VII) in WaterWolfgang A. Herrmann and Richard W. FischerCite this: J. Am. Chem. Soc. 1995, 117, 11, 3223–3230Publicati…
Abstract Seven samples from a chronosequence of soils developed in historically created polders on the Atlantic coast (Marais Poitevin, Vendée, France) were investigated in order to illustrate the rate of mineralogical change in a clay-dominated system. The oldest polder was constructed in 1665, the last one in 1912;…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTGreen Upconversion Emission from Er3+ Ion Doped into Sol-Gel Silica Glasses under Red Light (647.1 nm) ExcitationW. Xu, S. Dai, L. M. Toth, G. D. Del Cul, and J. R. PetersonCite this: J. Phys. Chem. 1995, 99, 13, 4447–4450Publication Date (Print):March 1, 1995Publication His…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTElectrochemical Properties of Iron Phthalocyanine Immobilized on Titanium(IV) Oxide Coated on Silica Gel SurfaceLauro T. Kubota, Yoshitaka Gushikem, Joelma Perez, and Auro A. TanakaCite this: Langmuir 1995, 11, 3, 1009–1013Publication Date (Print):March 1, 1995Publication Hi…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTDetermination of Low Critical Surface Tensions of Novel Fluorinated Poly(amide urethane) Block Copolymers. 2. Fluorinated Soft-Block Backbone and Side ChainsToby M. Chapman and Kacey Gribbin MarraCite this: Macromolecules 1995, 28, 6, 2081–2085Publication Date (Print):March…
Haloalkane dehalogenase catalyzes the hydrolytic cleavage of carbon-halogen bonds in short-chain haloalkanes. Two tryptophan residues of the enzyme (Trp125 and Trp175) form a halide-binding site in the active-site cavity, and were proposed to play a role in catalysis. The function of these residues was studied by repl…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTEffects of Ligand Substituents (F for H; OR for R) on Mesogenic Properties of M(Salen) Derivatives (M = Cu, Ni, VO). New Fluoro-Substituted Complexes and Crystal Structure of the Mesogen Ni(5-hexylSalen)Antony B. Blake, John R. Chipperfield, Wasif Hussain, Reinhard Paschke,…