Ali Kara
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View article: Activation of Polypropylene (PP) Fiber Surface with 1-Vinyl-1,2,4-triazole and Vinyl Acetate: Synthesis, Characterization, and Application in Cementitious Systems
Activation of Polypropylene (PP) Fiber Surface with 1-Vinyl-1,2,4-triazole and Vinyl Acetate: Synthesis, Characterization, and Application in Cementitious Systems Open
Recently, the potential of recycled materials to improve the performance of concrete and other building materials has become an important research topic. It is known that various methods are applied to improve the tensile strength and ener…
View article: Effect of pore structure, mechanical performance, and operational temperature on damping behavior of thermal expandible rubber-based adhesives
Effect of pore structure, mechanical performance, and operational temperature on damping behavior of thermal expandible rubber-based adhesives Open
Adhesives exhibit multifaceted functionalities beyond adhesion as improving acoustic performance by reducing motion of parts, filling gaps, and facilitating homogeneous stress distribution. The expandable nature of certain adhesives allows…
View article: Production, characterization and life cycle analysis of <scp>ZnO</scp> doped <scp>LDPE</scp> films
Production, characterization and life cycle analysis of <span>ZnO</span> doped <span>LDPE</span> films Open
In this study, virgin and recycled polymer films doped with ZnO in different proportions were prepared by extrusion. ZnO was first incorporated into LLDPE to produce masterbatches, which were then added to LDPE at a 10% ratio to fabricate …
View article: The Removal of Acid Violet 7 from Aqueous Solutions by Photocatalytic-Poly(Ethylene Glycol Dimethacrylate-<i>co</i>-4-Vinylpyridine)-Titanium Dioxide Nanocomposite Beads: Kinetic, Isotherm, Thermodynamic Studies
The Removal of Acid Violet 7 from Aqueous Solutions by Photocatalytic-Poly(Ethylene Glycol Dimethacrylate-<i>co</i>-4-Vinylpyridine)-Titanium Dioxide Nanocomposite Beads: Kinetic, Isotherm, Thermodynamic Studies Open
The photocatalytic-poly(ethylene glycol dimethacrylate-co-4-vinylpyridine)-titanium dioxide (pho-poly(EGDMA-co-4-VP)-TiO2) nanocomposite beads prepared from copolymerizing of ethylene glycol dimethacrylate (EGDMA) with 4-vinylpyridine (4-V…
View article: Investigation of Anti-Pilling Properties of Different Fabrics Applied with Polyvinylcaprolactam
Investigation of Anti-Pilling Properties of Different Fabrics Applied with Polyvinylcaprolactam Open
Pilling is one of the most important problems in the textile industry still not confidently solved. The problem is a kind of mechanically caused fabric defect consisting by a series of roughly spherical masses of entangled fibers called pi…
View article: Investigation of Photocatalytic Decolorization Parameters of Acid Violet 7 Dye With poly(ethylene glycol dimethacrylate-2-vinyl pyridine) -TiO2 Photocatalytic Polymer Microbeads
Investigation of Photocatalytic Decolorization Parameters of Acid Violet 7 Dye With poly(ethylene glycol dimethacrylate-2-vinyl pyridine) -TiO2 Photocatalytic Polymer Microbeads Open
Poly(ethylene glycol dimethacrylate-2-vinyl pyridine)-TiO2 [poly (EGDMA-2-VP)] - TiO2 microbeads were synthesized by suspension polymerization method for photocatalytic decolorization of textile dyes from aqueous solution. The synthesized …
View article: Synthesis and Characterization of Polyvinylimidazole and Investigation of its Antipilling Effect on Different Fabrics
Synthesis and Characterization of Polyvinylimidazole and Investigation of its Antipilling Effect on Different Fabrics Open
Pilling is one of the biggest problems for all types of fabrics in textile industry. To improve pilling values of the fabrics, some methods have been reported. One of the most useful methods is chemical finishing. In this study, this metho…
View article: pH effects on reactive orange 16 adsorption of m-poly(divinyl benzene–n-vinyl imidazol) microbeads
pH effects on reactive orange 16 adsorption of m-poly(divinyl benzene–n-vinyl imidazol) microbeads Open
In this study, Reactive Orange 16, which is a reactive dye, was investigated by using magnetic poly (DVB-VIM) to determine the effect of pH on adsorption. For this reason, the effect of pH on adsorption has been investigated in detail in p…
View article: Monetary policy surprises and exchange rate behavior
Monetary policy surprises and exchange rate behavior Open
Central banks unexpectedly tightening policy rates often observe the exchange value of their currency depreciate, rather than appreciate as predicted by standard models. We document this for Fed and ECB policy days using event studies and …
View article: Monetary Policy Surprises and Exchange Rate Behavior
Monetary Policy Surprises and Exchange Rate Behavior Open
Central banks unexpectedly tightening policy rates often observe the exchange value of their currency depreciate, rather than appreciate as predicted by standard models.We document this for Fed and ECB policy days using event-studies and a…
View article: Preparation, characterization, and antibacterial activity of organo-sepiolite/chitosan/silver bionanocomposites
Preparation, characterization, and antibacterial activity of organo-sepiolite/chitosan/silver bionanocomposites Open
Bionanocomposites with different loadings of silver (Ag) were prepared via synthesis of Ag nanoparticles (AgNPs) using the wet chemical reduction method in the lamellar space layer of the organo-sepiolite/chitosan (O-SEP/CS). The prepared …
View article: Evaluation the Existing Nile River Navigation Path in The Reach from Aswan City to Esna Barrage
Evaluation the Existing Nile River Navigation Path in The Reach from Aswan City to Esna Barrage Open
This work investigated the morphological changes occurred through the first reachof the Nile River as a highly effective parameter on the navigation requirements. Amap of changes between 2011 and 2014 was derived using ArcGIS. In addition,…
View article: Application of Sepiolite-Poly(vinylimidazole) composite for the removal of Cu(II) from aqueous solution: Isotherm and thermodynamics studies
Application of Sepiolite-Poly(vinylimidazole) composite for the removal of Cu(II) from aqueous solution: Isotherm and thermodynamics studies Open
For removal of Cu(II) ions from aqueous solution, a novel composite was prepared from 1-vinyl imidazole and sepiolite by the technique of in-situ polymerization. Adsorption of Cu(II) ions from aqueous solution onto Sepiolite-Poly(vinylimid…
View article: Copper(II) Removal from Aqueous Solutions by Adsorption Method: Isothermal, Thermodynamic and Kinetic Studies
Copper(II) Removal from Aqueous Solutions by Adsorption Method: Isothermal, Thermodynamic and Kinetic Studies Open
Ö ZÇ alışmada, manyetik poli(etilenglikoldimetakrilat-N-vinil-2-pirolidon) [m-p(EG-VPN)] mikrokürelerinin bakır (II) iyonlarının sulu ortamdan uzaklaştırılmasında adsorbent olarak kullanılabilirliği incelenmiştir.Manyetik polimer mikroküre…
View article: Magnetic Vinylphenyl Boronic Acid Microparticles for Surface Catalytic Performance in Esterification of Propionic Acid with Methanol
Magnetic Vinylphenyl Boronic Acid Microparticles for Surface Catalytic Performance in Esterification of Propionic Acid with Methanol Open
Magnetic vinylphenyl boronic acid microparticles, poly(ethylene glycol dimethacrylate-vinylphenyl boronic acid) [m-poly(EGDMA-VPBA)], produced by suspension polymerization, was found to be efficient solid acid catalyst for the esterificati…
View article: Poly(ethylene glycol dimethacrylate-co-1-vinyl-1,2,4-triazole/ carbon nanotube, single-walled)/n-GaAs Diode Formed by Surface Polymerization
Poly(ethylene glycol dimethacrylate-co-1-vinyl-1,2,4-triazole/ carbon nanotube, single-walled)/n-GaAs Diode Formed by Surface Polymerization Open
Poly(ethylene glycol dimethacrylate-co-1-vinyl-1,2,4-triazole/carbon nanotube, single-walled)/n-GaAs ([P(EGDMA-VTAZ)-CNSW]/n-GaAs) diode was fabricated by using surface polymerization method.Electrical properties were carried out at severa…
View article: Performances Evaluation of Water Body Extraction Techniques Using Landsat ETM+ Data: Case- Study of Lake Nubia, Sudan
Performances Evaluation of Water Body Extraction Techniques Using Landsat ETM+ Data: Case- Study of Lake Nubia, Sudan Open
Lake Nubia (LN) is the Sudanese portion of Aswan High Dam Lake (AHDL).This paper aims to detect the better technique for extraction of the water surface of LN.Eight techniques are tested using Landsat ETM+ image and their performances in e…