Bing Zhang、Xiaoyong Yan、Kiyoshi Shibata 等 6 位作者2000-01-01Materials Transactions JIM
The mechanisms of reactions are investigated between polyvinyl chloride and oxides such as ZnO, Fe2O3 and ZnFe2O4 under inert gas atmosphere at high temperature with combined thermogravimetry-mass spectrometry (TG-MS) technique. From the experiments under a constant heating rate of 40 K/min, the following results are…
Extraction and Separation ProcessesThermal and Kinetic AnalysisPolymer Science and PVC
Anit K. Giri、K. Pellerin、Wanida Pongsaksawad 等 5 位作者2000-01-01IEEE Transactions on Magnetics
We report variations in the coercivity of CoFe/sub 2/O/sub 4/ nanoparticles as a function of particle size, temperature and light intensity. For 30 nm particles, this change in was 2300 Oe at 10 K, 120 Oe at 170 K, for a light intensity of under 2 milliwatts. The remanent magnetization was nearly unchanged by illumina…
Magnetic properties of thin filmsMagnetism in coordination complexesMagnetic Properties and Synthesis of Ferrites
Ging‐Ho Hsiue、Shin‐Jen Shiao、Hsiao‐Fen Wei 等 5 位作者2000-01-01Journal of Applied Polymer Science
2-[4-(2-hydroxyphenyl)tricyclo[5.2.1.02,6]dec-8-yl]phenol (HPTCDP) were prepared from dicyclopentadiene (DCPD) and phenol via Friedel-Crafts alkylation. DCPD-containing phenolic resin (DPR) was also synthesized by incorporating the DCPD-containing monomer HPTCDP with formaldehyde. DPR was further modified by grafting…
Synthesis and characterization of novel inorganic/organometallic compoundsFlame retardant materials and propertiesPhosphorus compounds and reactions
James Lunt、Andrew L. Shafer2000-01-01Journal of Industrial Textiles
Tables 10 and 11 summarize the key takeaways. Looking at the world of “Technical Textiles” (Table 12) it is clear that this unique spectrum of properties will allow PLA polymers to participate in a wider range of markets. In particular, in this segment, the unique combination of outstanding resistance to sunlight, res…
biodegradable polymer synthesis and properties
M.H.B. Snijder、H.L. Bos2000-01-01Composite Interfaces
Annual growth agrofibers like flax and jute can compete with glass fibers, considering their intrinsic mechanical properties. This paper discusses reinforcement of polypropylene (PP) homopolymer with flax bast fibers. Maleic Anhydride modified PP (MAPP) grades are screened on coupling efficiency. Three mechanisms appe…
Natural Fiber Reinforced CompositesElectromagnetic wave absorption materialsFiber-reinforced polymer composites
J. M. Bastidas、Aurora López‐Delgado、E. Cano 等 5 位作者2000-01-01Journal of The Electrochemical Society
The rate of copper corrosion originated by the action of formic acid vapors at 100% relative humidity was studied. Five formic vapor concentration levels (10, 50, 100, 200, and 300 ppm) were used. A copper corrosion rate of up to was measured for a period of 21 days using a gravimetric method. The patina layers were c…
Corrosion Behavior and InhibitionSurface Modification and SuperhydrophobicityAnodic Oxide Films and Nanostructures
Metin Tolan、Michael D. Ward2000-01-01Physics Today
Reflectivity of X-rays from surfaces and interfaces reflectivity experiments advanced techniques statistical description of surfaces and interfaces off-specular scattering scattering with coherent radiation.
Glass properties and applicationsAdvanced X-ray Imaging TechniquesX-ray Diffraction in Crystallography
Stanley Q. Henwood、Melgardt M. de Villiers、Wilna Liebenberg 等 4 位作者2000-01-01Drug Development and Industrial Pharmacy
Rifampicin shows polymorphism; therefore, it is necessary to select a suitable crystal form at an early stage of development to ensure optimum solubility and dissolution rates. This study was an investigation into the crystal properties of several rifampicin raw materials currently being used by manufacturers of gener…
Drug Solubulity and Delivery SystemsCrystallization and Solubility StudiesThermal and Kinetic Analysis
Meixiang Wan、Junchao Li2000-01-01Journal of Polymer Science Part A Polymer Chemistry
A template-like model, which was an aniline salt formed with β-naphthalene sulfornic acid (β-NSA) as a dopant, was proposed to interpret the formation mechanism of polyaniline (PANI) microtubules doped with β-NSA by a template-free method. Scanning electron microscope (SEM) and X-ray diffraction measurements confirmed…
Organic Electronics and PhotovoltaicsElectrochemical sensors and biosensorsConducting polymers and applications
Marina Mastragostino、R. Paraventi、Alberto Zanelli2000-01-01Journal of The Electrochemical Society
The cyclability performance of several composite polymer electrodes based on poly(thiophene) (pTh), poly(3‐methylthiophene) (pMeT), and poly[3‐(4‐fluorophenyl)thiophene] (pFPT), carbon, and a binder is reported. These composites were tested for use as positive and negative electrodes in supercapacitors for electric ve…
Supercapacitor Materials and FabricationConducting polymers and applicationsElectric and Hybrid Vehicle Technologies
Thomas Schedel‐Niedrig、Thomas Neisius、Ingolf Böttger 等 7 位作者2000-01-01Physical Chemistry Chemical Physics
Model studies on the catalytic methanol oxidation over single and polycrystalline copper have been performed. The catalytic activity was investigated by means of temperature-programmed techniques (thermal desorption and temperature-programmed reaction spectroscopy, TDS and TPRS, respectively). The TPRS experiments cal…
ZnO doping and propertiesCatalytic Processes in Materials ScienceCopper-based nanomaterials and applications
Takafumi Kido、S. Nagasato、Yukinari Sunatsuki 等 4 位作者2000-01-01Chemical Communications
A cyclic tetranuclear CuII2GdIII2 complex, in which CuII and GdIII ions are arrayed alternately, has an S = 8 spin ground state, due to the ferromagnetic spin coupling between SGd = 7/2 and SCu = 1/2.
Magnetism in coordination complexesLanthanide and Transition Metal ComplexesOrganic and Molecular Conductors Research
Cláudio N. Verani、Eva Rentschler、Thomas Weyhermüller 等 5 位作者2000-01-01Journal of the Chemical Society Dalton Transactions
Two heterometallic complexes [{CuII(HLOX)NiII(N3)}2] and [(tmtacn)CoIII(μ-OH)CuII(LOX)NiII(OH2)2][ClO4]2 (tmtacn = 1,4,7-trimethyl-1,4,7-triazacyclononane) containing the same [CuIINiII] core embedded in an unsymmetrical dicompartmental imine-oxime ligand H4LOX have been synthesized and characterized. Their crystal st…
Magnetism in coordination complexesLanthanide and Transition Metal ComplexesMetal-Catalyzed Oxygenation Mechanisms
Hiroyuki Yamamoto、Yukiko Senoo2000-01-01Macromolecular Chemistry and Physics
Different characteristic surface structures such as spheres and hemispheres, honeycomb, regularly spaced droplets and fibers are formed by electrostatic polysaccharide interaction between chitosan and gellan gum via polyion complex (PIC) formation. Spherical droplet-like PIC capsules of varying diameter form in soluti…
Electrospun Nanofibers in Biomedical ApplicationsTextile materials and evaluationsSilk-based biomaterials and applications
Teodor Aastrup、M. Wadsak、C. Leygraf 等 4 位作者2000-01-01Journal of The Electrochemical Society
Infrared reflection absorption spectroscopy and quartz crystal microbalance, integrated into a one‐surface analytical system, and complemented with tapping mode atomic force microscopy, has been used to explore the metal/atmosphere interfacial region under atmospheric pressure conditions. This unique combination of in…
Corrosion Behavior and InhibitionGas Sensing Nanomaterials and SensorsAnalytical Chemistry and Sensors
Ken‐ichi Shimizu、Hajime Maeshima、Hisao Yoshida 等 5 位作者2000-01-01Physical Chemistry Chemical Physics
Copper–aluminium mixed oxide catalysts (Cu–Al2O3) for selective reduction of NO with propene (C3H6-SCR) were characterised as a function of Cu content. The results from different techniques, Cu K-edge and Cu L3-edge XANES, diffuse reflectance UV–Vis, XPS, and XRD were combined to develop coherent description of the ph…
Advanced Photocatalysis TechniquesCatalytic Processes in Materials ScienceGas Sensing Nanomaterials and Sensors
Masayuki Shirai、Koichi Igeta、Masahiko Arai2000-01-01Chemical Communications
Platinum nanosheets with thickness 2–3 nm containing hexagonal holes were formed between graphite layers by hydrogen reduction of platinum chloride–graphite intercalation compounds.
Catalytic Processes in Materials ScienceMesoporous Materials and CatalysisNanomaterials for catalytic reactions
Suzilene Real Janasi、D. Rodrigues、Fernando José Gomes Landgraf 等 4 位作者2000-01-01IEEE Transactions on Magnetics
Barium ferrite is widely used as a permanent magnet because of its large coercivity and low cost. The usual route to produce barium ferrites is the ceramic method. In order to overcome the detrimental milling effects in the magnetic properties, ferrite powders were obtained by coprecipitation. This method can produce…
Magnetic properties of thin filmsMultiferroics and related materialsMagnetic Properties and Synthesis of Ferrites
Jean‐Claude G. Bünzli、Loı̈c J. Charbonnière、Raymond F. Ziessel2000-01-01Journal of the Chemical Society Dalton Transactions
The ligand H2L = 2,2′-bipyridine-6,6′-dicarboxylic acid reacts with Ln(NO3)3·xH2O (x = 6, Ln = Eu, Tb; x = 5, Ln = Gd) in MeOH/Et3N to give complexes with 1∶2 and 2∶3 metal∶ligand stoichiometry, (Et3NH)[LnL2] and [Ln2L3(H2O)3]·xH2O (x = 1, Ln = Eu, Tb; x = 0, Ln = Gd) which have been isolated and characterised. A size…
Magnetism in coordination complexesRadioactive element chemistry and processingLanthanide and Transition Metal Complexes
Claudio Della Volpe、A. Penati、R. Peruzzi 等 6 位作者2000-01-01Journal of Adhesion Science and Technology
The individual effects of heterogeneity and roughness on contact angles have been repeatedly analysed in the literature, but the application of the accepted models to practical situations is often not correctly performed. In the present paper the combined effects of roughness and heterogeneity on the contact angles of…
Surface Modification and SuperhydrophobicityBuilding materials and conservationAdhesion, Friction, and Surface Interactions