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Приказ резултата 11-20 од 223
A new approach to compatibilization study of EVA/PMMA polymer blend used as an optical fibers adhesive: Mechanical, morphological and thermal properties
(Elsevier Sci Ltd, Oxford, 2018)
Mechanical, morphological and thermal properties of optical fiber adhesives, based on poly(ethylene-co-vinyl acetate) (EVA) with 18 and 40% of vinyl acetate, polymer blend of EVA/poly(methyl methacrylate) (PMMA), and graft ...
Antibacterial activity of thymol/carvacrol and clinoptilolite composites prepared by supercritical solvent impregnation
(Journal of Porous Materials, 2021)
Novel composites based on natural zeolite-clinoptilolite and monoterpene phenols-thymol and carvacrol were prepared by supercritical solvent impregnation (SSI) in supercritical carbon dioxide (scCO(2)) at 30 MPa and 35 ...
Hydrometallurgical recovery of tin and lead from waste printed circuit boards (wpcbs): limitations and opportunities
(Croatian Metallurgical Soc, Zagreb, 2016)
In this paper, possibility for selective Pb and Sn recovery, using three different solutions of NaOH, HCl and HNO3, from WPCBs containing low concentrations of Pb and Sn is presented. According to obtained results, over ...
Heat generation during plunge stage in friction stir welding
(Vinca Institute of Nuclear Sciences, 2013)
This paper deals with the heat generation in the Al alloy Al2024-T3 plate under different rotating speeds and plunge speeds during the plunge stage of friction stir welding. A 3-D finite element model is developed in the ...
Influence of structural changes induced by oxidation and addition of silver ions on electrical properties of cotton yarn
(Editura Acad Romane, Bucuresti, 2014)
This paper is focused on investigating the electrical behavior of cotton yarn oxidized with nonselective oxidation agent, hydrogen peroxide, through measurement of structural changes in cotton, and elucidating the influence ...
Batch and semicontinuous production of L-ascorbyl oleate catalyzed by CALB immobilized onto Purolite (R) MN102
(Elsevier, Amsterdam, 2017)
L-Ascorbyl oleate is recognized as efficient liposoluble antioxidant and biosurfactant which can be synthesized by using immobilized lipases as catalysts in organic media. However, development of economical production ...
Numerical and experimental approach to testing the adhesive properties of modified polymer blend based on EVA/PMMA as coatings for optical fibers
(Elsevier Sci Ltd, Oxford, 2017)
The adhesive properties of polymer blends based on poly(ethylene-co-vinyl acetate) (EVA) and poly(methyl methacrylate) (PMMA) were studied. Two samples were prepared, whereby one kind was a physically mixed blend of ...
Influence of Different Pretreatments on the Antibacterial Properties of Chitosan Functionalized Viscose Fabric: TEMPO Oxidation and Coating with TEMPO Oxidized Cellulose Nanofibrils
(MDPI, Basel, 2019)
The main objective of this study was to obtain chitosan functionalized viscose fabric with improved antibacterial properties and washing durability. In this regard carboxyl and aldehyde groups, as binding points for ...
Enhanced photocatalytic degradation of RO16 dye using Ag modified ZnO nanopowders prepared by the solvothermal method
(Univerzitet u Novom Sadu - Tehnološki fakultet, Novi Sad, 2017)
In this work, Zn(CH3 COO)(2) 2 H-2 O with AgNO3 content from 0 to 6 mol% was solvothermally treated at 120 C for 18 h in the presence of poly(vinyl pyrrolidone), ethylene glycol and sodium hydroxide. The structural , ...
Mechanical Properties of Biomass-derived Silica Nanoparticles Reinforced PMMA Composite Material
(Science of Sintering, 2022)
Rice husk was used to produce silica particles, which were then used to reinforce the polymer matrix. The synthesized SiO2 particles were characterized using X-ray diffraction, Fourier transforms infrared spectroscopy ...