Materials Literature
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Thin and thick cubic boron nitride (cBN) films were grown on nanodiamond (nanoD), using radio-frequency magnetron sputtering and plasma-enhanced chemical vapor deposition. The chemical composition of the cBN surface layer was nearly stoichiometric, which yielded an essentially pure cubic phase. The root-mean-square ro…
Abstract Summary: To create stable, adherent and reactive surface coatings, a hybrid polymer composed of poly(methylsilsesquioxane) (PMSSQ) and poly(pentafluorophenyl acrylate) PFPA with a M n of 32000 g/mol was prepared by a RAFT polymerization procedure. These hybrid polymer has been used for coating experiments. Th…
The liquid‐crystalline polymorphism of the homologous series of 4‐hexyloxybenzylidene‐4′‐alkyloxyanilines is investigated. Basing on the polarization microscopy (POM, TOA), the DSC calorimetry and miscibility studies the following mesophases were detected: nematic, smectic A, smectic C and smectic I. The phase diagram…
Article Fabrication of Lotus-type Porous NiTi Shape Memory Alloys using the Continuous Zone Melting Method and Tensile Property was published on August 1, 2007 in the journal High Temperature Materials and Processes (volume 26, issue 4).
A coordinated investigation of the magnetic and electrical properties of polycrystalline cobalt oxide compounds CdCoO 3 , Gd 0.9 Ba 0.1 CoO 3 , and Gd 0.9 Sr 0.1 CoO 3 is carried out. Undoped GdCoO 3 reveals a low conductivity; a magnetic moment of 7.4 μ B per molecule, which is less than the theoretical value for the…
Ti-doped WO 3 films were prepared by the mid-frequency dual-target magnetron sputtering method. The structure and electrochromic properties of the Ti-doped WO 3 films were analysed by X-Ray diffraction (XRD), Raman spectroscopy, spectrophotometer, cyclic chronoamperometry and atomic force microscopy (AFM). The results…
In the present study, the growth mechanism of poly (o-anisidine) (POA) with supporting electrolyte H2SO4 and HCL on platinum (Pt) substrate has been investigated. The POA films on Pt substrate have been synthesized by electrochemical polymerization (ECP) of o-anisidine under galvanostatic conditions from an aqueous so…
Due to high loading level and poor compatibility, magnesium hydroxide (MH) flame retardant polypropylene (PP) has poor processability and seriously deteriorated material performance. We adopted a novel processing technology, solid state shear milling (S3M) by using our self-designed pan-mill equipment, to prepare even…
We have developed a process to incorporate the model protein, bovine serum albumin (BSA), into the layered spacing of swelled mica. By a stepwise intercalation, the sodium form of synthetic fluorinated mica (Mica) was first exchanged with the poly(oxyalkylene)-diamine salts (POA-amine) through an ionic exchange reacti…
In this paper, the preparation of fine copper powder with chemical reduction method was investigated. Polyhedron nonagglomerated monodispersed copper powders by the reaction of CuSO4ldr5H2O and ascorbic acid were synthesized at pH 6~7 and reaction temperature of 60degC~70degC. It was also found by X-ray diffraction (X…
In this article, a characterizing method is established for evaluating the shape memory behaviour in fabrics. Shape memory polymers with different recipes are used to finish woven cotton fabrics. In order to evaluate thermo-sensitivity of shape memory fabrics, shape memory angle was measured when the fabrics are immer…
Influence of lithium doping on the crystallization, the surface morphology, the chemical states and the luminescent properties of Y 2 O 3 : Eu 3+ phosphors was investigated. The structural, surface morphology characteristics and chemical states of the phosphors were analyzed by using X-ray diffraction (XRD), scanning…
Two new mesogenic homologous series of liquid crystalline cinnamates with substituted ethyl tails, β‐methoxyethyl [4‐(4′‐n‐alkoxycinnamoyloxy)benzoates (I) and β‐chloroethyl [4‐(4′‐n‐alkoxycinnamoyloxy)benzoates (II), have been synthesized and characterized by a combination of elemental analysis and standard spectrosc…
In this article, a new type of Cu-Ti3SiC2 composite powder prepared using the electroless plating technique was introduced. The initial Ti3SiC2 particles are 11 μm in diameter on an average. The Cu plating was carried out at middle temperature (62–65°C) with the application of ultrasonic agitation. The copper depositi…
Attenuated total reflection (ATR)-based dynamic compression modulation two-dimensional (2D) correlation study of poly(p-phenylene biphenyltetracarboximide) film is carried out in combination with spectral simulation analysis by density functional theory (DFT). The dynamic 2D infrared (IR) correlation spectra in the re…
A new, quaternary mercury and cadmium pnictidehalide semiconductor (Hg6Sb4)(CdI6) (1) has been prepared by the solid-state reaction and structurally characterized by single-crystal X-ray diffraction analysis. Compound 1 crystallizes in the space group R-3c of the rhombohedral system with four formula units in a cell:…
Abstract Summary: Reactive compatibilization of recycled low‐ or high‐density polyethylenes (LDPE and HDPE, respectively) and ground tire rubber (GTR) via chemical interactions of pre‐functionalized components in their blend interface has been carried out. Polyethylene component was functionalized with maleic anhydrid…
This study deals with safety aspects of batch reactors for styrene suspension polymerization. Polymerization is known to be the most frequent cause of thermal runaway incidents in the industrial chemical processes. Two sorts of safety problems have been studied in this work. The first one is related to an influence of…
An equation is derived for the impurity distribution in solidified distillates at a low impurity content and ideal stirring of the source material.
The reaction of [(AuCl)2dppm] (dppm=Ph2PCH2PPh2) with PhP(SiMe3)2 and P(SiMe3)3 leads to the formation of the gold cluster compound [Au18(P)2(PPh)4(PHPh)(dppm)6]Cl3 (1). The crystal structure investigation shows a central Au7P2 unit formed by two P centered gold tetrahedra sharing the central gold corner. This central…