Materials Literature
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The mechanical properties of polypropylene (PP)/waste tire dust (WTD)/kenaf (KNF) composites with and without 3-aminopropyltriethoxysilane (APTES) coupling agent were investigated. The composites were prepared using a Thermo Haake Polydrive internal mixer, where different KNF loading (0, 5, 10, 15, 20 phr) were used.…
Abstract An influence of a decreased Cr content on the microstructure of the highly alloyed Cr-Ni cast steel, duplex type, melted under laboratory conditions, was characterized in the paper. The microstructure investigations were performed in the initial state and after the heat treatment (solution annealing) at 1060°…
Oxirane ring opening reaction of epoxidized natural rubber (ENR-50) is a promising method to produce hybrids or introduce reactive fillers into the polymers through the covalent bond. This paper reports the reaction between ENR-50 and SnCl2.2H2O under CO2environment. The complex formation is characterized via FTIR,1H,…
The yarn irregularity of polyester POY in melt spinning influences not only the follow-up spinning property, but also the dyeing performance. The yarn irregularity is caused mainly by unstable state during which the filament is formed. It is presented in this paper that the main factors which affect the filament uneve…
Abstract The thermal degradation of chitosan-Cu/ Ni/ Mn complexes at different heating rates in nitrogen was studied by thermogravimetric analysis (TGA) in the temperature range 30-500 °C. Fourier transform-infrared (FTIR) was utilized to determine the microstructure of chitosan-metal complexes. The results of FTIR sh…
The warp knitting parameters are important to determine the knitting process and the mechanical properties of warp knitting mesh fabric. In this work, the relationship between different knitting parameters (mesh side length and the let-off value) and the mechanical properties were studied. The effect of knitting param…
A retarded zirconium cross-linking agent ECA-1 was prepared by using zirconium oxychloride, lactic acid， xylitol, and so on, then we got a high-temperature delayed cross-linking acid with cross-linking agent ECA-1 added to EVA-180 gelling acid, cross-linked acid performance and its influencing factors were discussed i…
Seventy algal taxa belonging to 32 genera were recorded from Kaziranga National Park and Majuli river island of Assam. Of these 22 taxa belonging to 15 genera were recorded from different water bodies within Kaziranga National Park of these, 3 species belonged to 2 genera of Cyanophyceae (Cyanoprokaryota/Cyanobacteria…
The influence of the accumulation of Ti4+ in the solution on formation and crystallization of anodic oxide films on titanium is investigated by performing the anodization of several pieces of titanium sheets at potentiostatic mode one after another without changing the electrolytic solution. The concentration of the d…
This paper reviews a methodology based on mathematical modelling of data of transepidermal water loss (TEWL) after conducting a plastic occlusion stress test (POST), to assess the hydric skin dynamic by kinetic parameters. Although simple to implement, this method is time-consuming, since it normally involves collecti…
Abstract The mineral stability of two bentonites was studied in the presence of pyrite concentrate to simulate the possible reactions between the bentonite barrier used in a high-level nuclear waste (HLW) repository and host rock containing up to 5 wt.% of admixed pyrite. Smectite was the only bentonite mineral affect…
Sonolysis and photochemical degradation of different compounds such as chlorinated aliphatic hydrocarbons are among the recent advanced oxidation processes. Perchloroethylene is one of these compounds that has been mainly used as a solvent and degreaser. In this work, elimination of perchloroethylene in aqueous soluti…
Crystallographic and microstructural properties of Ho(Ni,Co,Mn)O 3± · perovskite-type multiferroic material are reported. Samples were synthesized with a modified polymeric precursor method. The synchrotron X-ray powder diffraction (SXRPD) technique associated to Rietveld refinement method was used to perform structur…
Abstract The catalytic properties of the first generation catalyst meso -tetraphenylporphyriniron(III) chloride and magnesium monoperoxyphthalate (MMPP) as oxidant have been studied in the oxidation of aniline and its substituents in acetic acid medium. The thermodynamic parameters for the oxidation have been determin…
In this article, the behavior of dynamic recrystallization and precipitation of inhibitors in the grain-oriented silicon steel based on CSP technology was investigated during hot rolling and normalizing using Gleeble-1500D thermal-simulation machine. The factors of affecting behavior of recrystallization and precipita…
The effect of multiwalled carbon nanotubes (MWCNTs)-magnetite (Fe3O4) hybrid content on the magnetic and dynamic mechanical properties of thermoplastic polypropylene-natural rubber (TPNR) nanocomposites was evaluated. The effect of acid treatment of MWCNTs on the properties of nanocomposites has also been examined. TP…
Collagen fiber loaded hyperbranched polyamide-amine(CF-HBPN) was prepared by the crosslinking power of glutaraldehyde. The structure of CF-HBPN before and after adsorption was characterized and analyzed via scanning electron microscopy. The CF-HBPN was effective adsorbent for the removal of Cr(VI) from aqueous solutio…
We have developed a new, simple, green and very reproducible aqueous synthesis method for the preparation of different sizes CdTe QDs without the use of any pyrophoric organometallic precursors. Transmission electron microscope image demonstrates the shape, monodispersity, average size and size distribution. Two diffe…
We calculated the properties of a single flexible polymer chain adsorbed onto a planar surface with two types of nodes, denoted by letters A and B by Monte Carlo methods. One A-type node contacting to the surface has an attractive interaction of strength E=-1. One node of B-type has no affinity for the surface, E= 0.…
Unmodified talc fillers were compounded with polypropylene (PP) and copolymer polyethylene (Co-PP) separately in a Brabender plasticorder internal mixer at 180 °C and 50 rpm in order to obtain composites, which contain 040 phr (per 100 part of resin) of filler at 40 phr intervals. The morphology development and the me…