101 Result(s)
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Article
Macrocyclic Oligomeric Arylene Ether Ketones: Synthesis and Polymerization
Some novel macrocylic(arylene ether ketone)oligomers were synthesized in high yields by a nucleophilic aromatic substitution reaction of 4,4′-dinitrobenzophenone with bisphenols in the presence of anhydrous po...
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Article
Mesoporous properties of nanosized anatase titania powders prepared by urea hydrolysis with PEG dispersant
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Article
Photoluminescence enhancement of ZrO2/Rhodamine B nanocomposites
For the first time, a ZrO2/Rhodamine B (RhB) fluorescent nanocomposite material was synthesized by a simple heat refluxing method. The properties of the samples were characterized by transmission electronic micro...
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Article
Preparation and properties of polytetrafluoroethylene-modified polyacrylate via emulsion polymerization
One method of preparation of polytetrafluoroethylene(PFTE)-modified polyacrylate emulsion has been studied. Through pre-emulsion technology, PTFE powder could be dispersed by high speed shearing with high-spee...
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Synthesis of polytetrafluoroethylene/polyacrylate core-shell nanoparticles via emulsifier-free seeded emulsion polymerization
Polytetrafluoroethylene (PTFE)/polyacrylate core-shell nanoparticles were produced via the emulsifier-free seeded emulsion polymerization of acrylate monomers with PTFE latex as seed. The monomer conversions u...
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Preparation, characterization and mechanical properties of the polylactide/perlite and the polylactide/montmorillonite composites
In this study polylactide (PLA)/perlite and PLA/montmorillonite (MMT) composites were prepared by melt extrusion and solvent dissolution methods. The effects of organic/inorganic ratios and the kind of inorgan...
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Article
Dynamic mechanical property and photochemical stability of perlite/PVA and OMMT/PVA nanocomposites
This work focused on the preparation of poly (vinyl alcohol) (PVA)/inorganic composites. Perlite and organically modified montmorillonite (OMMT) were used as the inorganic compounds. (PVA)/inorganic nanocompos...
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Article
Synthesis, Structure and Electrochemical Property of a New Three-Dimensional Inorganic–Organic Vanadate Coordination Polymer [Cu2(bbi)2(V4O12)] · 4H2O (bbi = 1,1-(1,4-butanediyl)bis(imidazole))
A new inorganic–organic vanadate coordination polymer [Cu2(bbi)2(V4O12)] · 4H2O (bbi = 1,1-(1,4-butanediyl)bis(imidazole)) (1) has been synthesized under hydrothermal condition and characterized by elemental anal...
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Article
Two New Organic–Inorganic Hybrids Based on [SiW12O40]4− Anion: Hydrothermal Syntheses, Crystal Structures, and Electrochemical Properties
Two new organic–inorganic hybrid compounds $$ [{\text{Cu}}^{\text{I}} \left( {\text{en}} \right)_{ 2} \left( {{\text{H}}_{ 2} {\text{O...
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Article
Investigation of the heat capacity of poly (vinyl methyl ether)/water mixtures using the stepscan method
The heat capacity of poly(vinyl methyl ether) (PVME)/water mixtures was measured over a wide range of temperatures using the stepscan method. The results showed that water exists in different states in the mix...
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Article
Preparation and characterization of polystyrene/polycarbonate composite hollow microspheres by microencapsulation method
Polystyrene/polycarbonate (PS/PC) composite hollow microspheres were successfully prepared via microencapsulation method. Fourier-transform infrared spectroscopy, scanning electron microscopy (SEM), differenti...
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Article
The investigation on states of water in different hydrophilic polymers by DSC and FTIR
The interaction between polymers and water in four hydrophilic polymer aqueous solutions were investigated by DSC and FTIR. DSC result shows that the different hydrophilic polymer/water mixtures have various w...
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Article
Characterization and thermal behavior of kaolin
The decomposition behavior of kaolin samples has been carried out by simultaneous TG–DTA experiments. New layer-structure formation during the calcination process was found, and metakaolin compound was detecte...
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Article
Influence of intercalated structure on the properties of montmorillonite/high-temperature vulcanized silicone rubber nanocomposites
In this article, montmorillonite/high-temperature silicone rubber hybrid nanocomposites were prepared via melt mixed process. The resulting hybrid nanocomposites were characterized by fourier transform infrare...
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Article
Synthesis and surface properties of semi-interpenetrating fluorine-containing polyacrylate and epoxy resin networks
Semi-interpenetrating polymer networks (Semi-IPNs) based on fluorine-containing polyacrylate and epoxy resin were synthesized by the simultaneous polymerization of fluorine-containing acrylate and epoxy resin....
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Article
A high-strength SiCw/SiC–Si composite derived from pyrolyzed rice husks by liquid silicon infiltration
A high-strength SiC composite with SiC whiskers (SiCw) as reinforcement has been fabricated by liquid silicon infiltration (LSI) using pyrolyzed rice husks (RHs) as raw material. RHs were coked and pyrolyzed subs...
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Article
Facile and Large-Scale Syntheses of Nanocrystal Rare Earth Metal–Organic Frameworks at Room Temperature and Their Photoluminescence Properties
The treatment of Ln(NO3)3·6H2O (Ln = La, Ce, Eu, Gd, Dy) with 1,3,5-benzenetricarboxylic acid (H3BTC) in a water–ethanol solution facilely yields crystal nanorods of rare earth metal–organic frameworks (MOFs) at ...
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Article
Effect of the addition of cornstalk to coal powder/coal tar combustion
Thermogravimetry (TG) and differential thermal analysis were used to investigate combustion behavior with the addition of cornstalk to coal powder and coal tar at three different heating rates: 5, 10, and 15 °...
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Article
Crystal Structures and Luminescent Properties of Two Lanthanide(III) Complexes Featuring Double-Stranded Helical Chains of Based on 2-Sulfoterephthalate
Hydrothermal reaction of Eu3+ and Dy3+ salts with monosodium 2-sulfoterephthalate (NaH2stp) gives two 2D lanthanide coordination polymers, [Ln(stp)(H2O)2] n (Ln = Eu (1) and Dy ...
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Article
Preparation of protein microcapsules with narrow size distribution by sonochemical method
Protein microcapsules with narrow size distribution have been prepared by sonochemical method which is a simple, fast, environmental friendly and cost-effective method. The prepared microcapsules are composed ...