Materials Literature
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ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMetamagnetic properties of a family of ferromagnetic alternating spin chains: bis(dimethylglyoximato)(carboxylato)manganese(III)copper(II)Francesc Lloret, Rafael Ruiz, Miguel Julve, Juan Faus, Yves Journaux, Isabel Castro, and Michel VerdaguerCite this: Chem. Mater. 1992, 4,…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTCooperative structure formation by directed noncovalent interactions in an unpolar polymer matrix. 7. Differential scanning calorimetry and small-angle x-ray scatteringChristopher Hilger and Reimund StadlerCite this: Macromolecules 1992, 25, 24, 6670–6680Publication Date (Pr…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThermogravimetric analysis/mass spectrometry investigation of the thermal conversion of organosilicon precursors into ceramics under argon and ammonia. 2. Poly(silazanes)N. S. Choong Kwet Yive, R. J. P. Corriu, D. Leclercq, P. H. Mutin, and A. ViouxCite this: Chem. Mater. 19…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMetalloradical reactions of rhodium(II) porphyrins with acrylates: reduction, coupling, and photopromoted polymerizationBradford B. Wayland, George Poszmik, and Michael FrydCite this: Organometallics 1992, 11, 11, 3534–3542Publication Date (Print):November 1, 1992Publication…
Abstract The rheological behavior of wood fiber/polyethylene composites made of corona treated constituents was investigated. Corona treatment of one or both of the constituents resulted in decreased melt viscosities relative to compounds containing untreated materials. The reduction of melt viscosity may originate fr…
Abstract The effect of a cold remote N 2 plasma (CRNP) or N 2 + O 2 plasma (CRNOP) on poly(ether ether ketone) (PEEK) is studied. The amount of nitrogen or oxygen uptake and functionalities are determined by x‐ray photoelectron spectroscopy (XPS). After CRNP treatment, the N/C and O/C atomic ratios are 0.301 and 0.333…
Surface-mediated alignment of nematic liquid crystals with polarized laser light was reported recently [1]. In this communication we describe the alignment of a guest–host liquid crystal medium with polarized laser light. Liquid crystals in the illuminated region orient perpendicular to the direction of the laser pola…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTLow-temperature pyrolytic transformations of tri-tert-butoxysiloxy derivatives of aluminum to aluminosilicate materialsKarl W. Terry, Peter K. Ganzel, and T. Don TilleyCite this: Chem. Mater. 1992, 4, 6, 1290–1295Publication Date (Print):November 1, 1992Publication History P…
Water vapor buffering of hygroscopic fabrics during wear has been studied using both theoretical modeling and wear trials. Both theoretical predictions and experimental observations demonstrate that highly hygroscopic wool fabrics absorb significantly more sweat than fabrics of very low hygroscopicity, such as polyest…
We report on the properties of ${\mathrm{La}}_{\mathit{x}}$${\mathrm{Sr}}_{1\mathrm{\ensuremath{-}}\mathit{x}}$${\mathrm{VO}}_{3}$ which has a phase diagram which is similar to Sr-doped ${\mathrm{La}}_{2}$${\mathrm{CuO}}_{4}$ in that it too shows a composition-induced insulator-to-metal transition with strontium dopin…
Polymer films, based on aniline‐, phenol‐, normal vinyl‐ and heterocyclic/vinyl‐type monomers, were synthesized on mild steel by various electropolymerizations (EPs), and their corrosion resistance and structure were investigated because a new coating system with corrosion resistance for mild steel has been obtained.…
Aqueous solution of phenol was irradiated with ultrasonic waves of sufficient intensity to induce cavitation. The phenol was exponentially degradated, because of the formation of reactive species produced by water decomposition and reaction with water and oxygen. The degradation pathway for phenol was similar to that…
The levels of volatile sulphur compounds (VSC) in periodontal pockets and mouth air have been found to correlate with severity of the disease process. The purpose of this study was to examine the influence of hydrogen sulphide and methyl mercaptan on protein metabolism of human gingival fibroblasts. The incorporation…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSelf-assembly of delocalized .pi.-stacks in solution. Assessment of structural effectsChuan Jian Zhong, Wing Sum V. Kwan, and Larry L. MillerCite this: Chem. Mater. 1992, 4, 6, 1423–1428Publication Date (Print):November 1, 1992Publication History Published online1 May 2002Pu…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTElectrochemistry and spectroelectrochemistry (EPR, UV-visible-near-IR) of platinum(II) 2,2'-bipyridine and ring-metalated bipyridine complexes: PtII(L-) and PtI(L-) but not PtI(L)Paul S. Braterman, Jae Inh Song, Franz M. Wimmer, Smita Wimmer, Wolfgang Kaim, Axel Klein, and R…
Abstract An increasing number of polymer alloys made by reactive processing of a compatibilizer precursor (CP) to form the compatibilizer in situ have appeared in recent years. Literature reports on compatibilization studies have focused on interactions of chemistry‐morphology, processing‐morphology, morphology‐rheolo…
The family of glutamate dehydrogenases include a group of hexameric oligomers with a subunit M(r) of around 50,000, which are closely related in amino acid sequence and a smaller group of tetrameric oligomers based on a much larger subunit with M(r) 115,000. Sequence comparisons have indicated a low level of similarit…
The behavior of corrosion inhibition of mild steel by various cationic and anionic polymers, that is, polyethyleneimine (PEI), its derivative (PEID), polyarylamine (PAAm) and polydicyanodiamide derivative (PDCDA) as cationic polymers and polymaleic acid derivative (PMAD), polyacrylic acid derivative (PAAD) and polyacr…
To evaluate whether or not the corneal micropocket implantation is effective for determining the toxicity of polymeric materials, currently used biodegradable polymers such as poly(lactic acid) (PLA), poly(glycolic acid) (PGA), LA-GA copolymers, and three kinds of poly(2-cyano-acrylate)s (PCA) were implanted in a rabb…
A cDNA clone has been prepared from mRNA of cultured human keratinocytes. The sequence of the cDNA reveals that in the C-terminal two-thirds of the corresponding protein (basonuclin), there are three separated pairs of adjacent zinc fingers. The amino acid sequence of each pair is homologous to that of the single pair…