Materials Literature
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The long-term interaction between palygorskite and nickel ions was studied and sorption kinetics of nickel ions on palygorskite was discussed.The hydrolytic precipitation of nickel ions on the surface of palygorskite caused by the interaction between palygorskite and heavy metal ions and the formation of hydroxide and…
Au films with two thicknesses of 108.4 and 215.6 nm were prepared by DC magnetron sputtering and analyzed by X-ray diffraction under the CBD scan mode.The microstrains of Au films were directly determined by X-ray diffraction spectra.The results showed that the films grew along the 111 direction parallel to the substr…
Two Inorganic-Organic Hybrid Nanomaterials,the benzyl-trimethylammonium nanoparticles of 1∶12 heteropolyacid,(C10H16N)3[PW12O40]·5H2O(1) and(C10H16N)4[SiW12O40]·2H2O(2) were prepared by solid-state reaction at room temperature.Their structure,particle size and appearances were characterized by elemental analyses,IR,TG…
The study on the monomer migration for canionic polymerization of cyclosiloxane in aqueous emulsion was perfected with octamethylcyclotetrasiloxane (D4) as monomer,KOH as catalyst and benzyldimethyldodecylammonium bromize (DBDA) as canionic emulsifying agent. The results showed that the polymerization occurred at the…
Pb_2[B_5O_9]Br borate powder was synthesized by the high-temperature solid-state method.The transparent single crystal of Pb_2[B_5O_9]Br was grown by top-seeded solution growth method using the powder as raw material.The typical crystal size was about 3 mm × 3 mm ×1.5 mm.X-ray diffraction analysis show that it is same…
In this paper,hollow cuprous oxide(Cu2O) submicrospheres were prepared by simply reducing CuSO4 with N2H4·H2O in the template of SDS-PVP soft cluster.XRD pattern shows that the synthesized hollow submicrospheres are pure Cu2O.The N2 adsorption-desorption isotherms indicate the presence of the inhomogeneous mesopores a…
A novel tripodal organogelator 1,functionalized by three amide and three azobenzene moieties linked with three alkyl chains was designed and synthesized.In THF solution of 1,it well undergoes photochromic property because the azobenzene moieties are in the outer region of the molecule.In the gelating experiment,the co…
Carbon aerogels(CAs) are novel non-crystalline carbon materials with low-density and nano-porous structure that can be controlled and tailored on a nanometer scale.The preparation technology of CAs is introduced briefly,and the research development of CAs as electrode materials used in electrochemical supercapacitor,f…
A kind of solid acid catalyst containing alkyl sulfonic acid group was prepared by post-synthesis grafting of 3-mercaptopropyltriethoxysilane(MPTES) to the surface of acid-modified clay.The clay samples were characterized by means of XRD,N2 adsorption-desorption,FTIR,IR analysis of adsorbed pyridine and acid-base titr…
To elucidate the phenomena of new white sediments occurred in the inner wall of horizontal annealing furnace during in the process of annealing for cathode tube,the difference of microstructures and component between white sediments and fuscous sediments that had been in existence in the process of anneal in the inner…
The epoxy anticorrosive coating by combination silane pretreatment and adhesive coating methods was prepared on AZ31 magnesium alloy to improve its corrosion resistance.The morphology of coating was observed by SEM.The effects of silane pretreatment on the adhesion and corrosion resistance of the coating were analyzed…
Nanoparticles drug delivery has been extensively studied,for its good prospects in drug target delivery,controlled-release and sustained-release,etc.Various preparation methods are described,and major methods summarized in targeting application to nanoparticles.
Based on the establishment of a mathematical model for cell growth,solving equations of polymer/supercritical fluid foam system were solved,the rules and influence factors of the cell growth were also analyzed.For PP/supercritical CO2 foam system as an example,by adjusting the temperature,pressure systems and diffusio…
Traditional single core sandwich structures consist of two face sheets and one core.With an additional sheet,called internal sheet in this paper,inserted into the core,a two-core sandwich structure was then formed.Two-core sandwich structures with glass fiber/epoxy composite laminated face sheets and a thin internal s…
The study on synthesis and application of Hyperbranched Polymer is popular.Remixing Hyperbranched dispersant(Hyperbranched dispersant,HPD)with other surfactant to prepare water-based pigment dispersion.This paper expounds the effect of several conditions to the pigment size and the systemic stability,such as types of…
Copolymer with 2,1,3-benzothiadizole structure in main chain had been successfully synthesized through palladium-catalyzed triple-bond cross-coupling polycondensation method.The copolymer exhibited good solubility in common organic solvents such as CHCl3,CH2Cl2 and THF.The polymer showed absorption spectra with maximu…
Wear tests about the high manganese steel ZGMn13 is carried out on MLD-10 type impact abrasive wear tester under the conditions of 3.5J impact energy and different abrasives, and then weight loss and length loss in working size of materials are measured, and worn surface and subsurface layer of samples are observed wi…
Properties of carbonized wool and PTT are introduced in this article and related technical measures are adopted to guarantee a successful development of qualified 14.6tex 10/25/65 carbonized wool,PTT and combed cotton yarn.In the development,3 different kinds of fibers were opened and blended,and before blending,wetti…
Fluoroacrylate copolymer emulsions were used in the unbleached bamboo pulp to improve its handsheets’ wet strength and water repellency, the effect of the dosage of the copolymer emulsion was investigated. The results showed that at the conditions of Al2(SO4)3 2.8%, the cationic additive (w=15%) 6.0% and the emulsion…
Syntan was applied to improve the union dyeing property of silk/nylon mixture,action mechanism of syntan in union dyeing was discussed in particular.When silk/nylon mixture was dyed to pale to medium shades using most of acid dyes and neutral dyes,some addition of syntan could greatly improve solid effects.This was du…