Materials Literature
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The kinetics of the displacive cubic‐to‐tetragonal ( c → t ′) phase transformation and the evolution of twin structure of Y 2 O 3 ‐ZrO 2 systems were investigated by employing the time‐dependent Ginzburg‐Landau equations, in which the displacive modes were described by nonconserved order parameters. The original elast…
Graft copolymerization of methyl methacrylate (MMA) or 2-hydroxyethyl methacrylate (HEMA) onto poly(3-hydroxybutyrate) (PHB) and its copolymer poly(3-hydroxybutyrate-co-3-hydroxyvalerate) {P(HBHV)} was carried out by using simultaneous radiation and preirradiation techniques from a 60Co γ-rays source. Degree of grafti…
Abstract Solvent swelling of natural rubber composites, containing both untreated and acetylated short sisal fiber, has been investigated in a series of normal alkanes such as pentane, hexane, heptane and octane. The restriction on elastomer swelling exerted by sisal fiber as well as the anisotropy of swelling of the…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSynthesis and Characterization of High-Spin Iron(III) 2-Hydroxy-5,10,15,20-tetraphenylporphyrin. The Unprecedented Example of the Cyclic Iron Porphyrin TrimerJacek Wojaczynski and Lechoslaw Latos-GrazynskiCite this: Inorg. Chem. 1995, 34, 5, 1044–1053Publication Date (Print)…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe Mechanism of Inner-Hydrogen Migration in Free Base Porphyrin: Ab Initio MP2 CalculationsJ. R. Reimers, T. X. Lue, M. J. Crossley, and N. S. HushCite this: J. Am. Chem. Soc. 1995, 117, 10, 2855–2861Publication Date (Print):March 1, 1995Publication History Published online…
<111>-oriented tin-doped indium oxide (ITO) films were deposited by rf magnetron sputtering on ZnO-coated glass substrates (ZnO/glass). The ZnO underlayers were also deposited by rf magnetron sputtering and have been known to exhibit <001> preferred orientation in a wide range of deposition conditions. The…
In this paper we describe the preparation and preliminary characterization of diblock copolymers with a low surface energy block. These polymers were prepared by modifying the isoprene block in styreneisoprene-based block copolymers with either short perfluoroalkyl or dimethyl siloxy ‘fingers’. Specifically, the dien…
Phase development during reaction hot pressing of α‐Si 3 N 4 , AlN, Al 2 O 3 , and M 2 O Z powder mixtures (M = Li, Mg, Ca, Y, Nd, Sm, Gd, Dy, Er, and Yb) forming α′‐SiAlON has been studied. The wetting behavior of the ternary eutectic melt of M 2 O z ‐Al 2 O 3 ‐SiO 2 was found to control the reaction sequence during…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTEPR and NMR Spectra as Probes of Spin-Density Distributions in Heterocyclic Ligands Coordinated in trans-[L(Im)(NH3)4RuIII]: Crystal Structure of trans-[(Im)2(NH3)4Ru]Cl3.cntdot.H2OK. J. LaChance-Galang, P. Doan, M. J. Clarke, U. Rao, A. Yamano, and B. M. HoffmanCite this: J…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTBN Alternants: Boron Nitride Cages and PolymersH.Y. Zhu, D. J. Klein, W. A. Seitz, and N. H. MarchCite this: Inorg. Chem. 1995, 34, 6, 1377–1383Publication Date (Print):March 1, 1995Publication History Published online1 May 2002Published inissue 1 March 1995https://pubs.acs.…
Reaction of diarylcadmium or diarylzinc reagents with 1,2-dideoxy-3,5-di-O-p-toluoyl-1-chloro-α-D-ribofuranose affords 3,5-di-O-protected aromatic C-nucleosides in good yields.
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThree Phases of [Fe(C5Me5)2]+[TCNQ]-: Ferromagnetism in a New Structural PhaseWilliam E. Broderick, David M. Eichhorn, Xiaohua Liu, Paul M. Toscano, Scott M. Owens, and Brian M. HoffmanCite this: J. Am. Chem. Soc. 1995, 117, 12, 3641–3642Publication Date (Print):March 1, 199…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMicroscopic Solubility-Parameter Theory of Polymer Blends: General PredictionsKenneth S. Schweizer and Chandralekha SinghCite this: Macromolecules 1995, 28, 6, 2063–2080Publication Date (Print):March 1, 1995Publication History Published online1 May 2002Published inissue 1 Ma…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTResonance Raman, CARS, and Picosecond Absorption Spectroscopy of Copper Porphyrins: The Evidence for the Exciplex Formation with Oxygen-Containing Solvent MoleculesSergei G. Kruglik, Pavel A. Apanasevich, Vladimir S. Chirvony, Vladimir V. Kvach, and Valentin A. OrlovichCite…
Abstract A new class of polyanhydrides synthesized from nonlinear hydrophobic fatty acid esters, based on ricinoleic, maleic acid, and sebacic acid, possessed desired physico‐chemical and mechanical properties for use as drug carriers. The polymers were synthesized by melt condensation to yield film‐forming polymers w…
The primary metallization technique in the semiconductor industry for the past decade has been magnetron sputtering. The general industry trend towards damascene processing requires the capability to fill trenches and vias with sub-one-half micron widths and aspect ratios (AR) as high as 3:1. At these dimensions and g…
Abstract The thermal reaction between N ‐phenylmaleimide and 2‐allylphenol was taken as a model reaction in order to obtain information about chain extension and crosslinking mechanisms of the thermal curing of bismaleimides with diallylbisphenol A. Isolation (preparative HPLC) and characterization ( 1 H and 13 C NMR,…
We present here a short summary of two rather different, but complementary, simulations of plastic deformation in a flexible chain glassy polymer. In the first, atomistic simulation, a molecular structure model is used in which well‐established force fields between atoms and atom groups on a typical chain polymer are…
Abstract Compatibilization of blends of linear low‐density polyethylene (LLDPE) and polystyrene (PS) with block copolymers of styrene (S) and butadiene (B) or hydrogenated butadiene (EB) has been studied. The morphology of the LLDPE/PS (50/50) composition typically with 5% copolymer was characterized primarily by scan…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTIn Situ EXAFS Study of the Photocatalytic Reduction and Deposition of Gold on Colloidal TitaniaA. Fernandez, A. Caballero, A. R. Gonzalez-Elipe, J.-M. Herrmann, H. Dexpert, and F. VillainCite this: J. Phys. Chem. 1995, 99, 10, 3303–3309Publication Date (Print):March 1, 1995P…