Browsing Fakülteler by Author "Uğur, Şaziye"
Now showing items 1-14 of 14
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Conductivity percolation of carbon nanotubes (CNT) in polystyrene (PS) latex film
Uğur, Şaziye; Yargı, Önder; Pekcan, Önder (Canadian Science Publishing Nrc Research Press, 2010)In this study the effect of multiwalled carbon nanotubes (MWNT) on film formation behaviour and electrical conductivity properties of polystrene (PS) latex film was investigated by using the photon transmission technique ... -
Film Formation of Nano-Sized Hard Latex (PS) in Soft Polymer Matrix (PBA): An Excimer Study
Uğur, Şaziye; Sunay, Selin; Pekcan, Önder (John Wiley & Sons Inc, 2010)This work reports steady state fluorescence (SSF) technique for studying film formation from pyrene (P)labeled nano-sized polystyrene (PS) and poly(n-butyl acrylate) (PBA) hard/soft latex blends. Blend films were prepared ... -
Film Formation of Poly (methyl methacrylate) Latex With Pyrene Functional Poly (divinylbenzene) Microspheres Prepared by Click Chemistry
Uğur, Şaziye; Yargı, Önder; Durmaz, Yasemin Yuksel; Karagöz, Bünyamin; Bıçak, Niyazi; Yağci, Yusuf; Pekcan, Önder (Wiley-Blackwell, 2011)This work reports on the application of steady state fluorescence (SSF) technique for studying film formation from poly(methyl methacrylate) (PMMA) latex and poly(divinylbenzene) (PDVB) microsphere composites. Pyrene (P) ... -
Fluorescence quenching method for monitoring oxygen diffusion into PS/CNT composite films
Yargı, Önder; Uğur, Şaziye; Pekcan, Önder (Elsevier Science SA, 2013)Oxygen permeabilities of nanocomposite films consisting of multi wall carbon nanotubes (MWNT) and polystyrene (PS) were determined to investigate the oxygen diffusion depending on MWNT and temperature. A method which is ... -
Fluorescence study of effect of particle size in PS latex/Al2O3 nanocomposite films
Uğur, Şaziye; Sunay, M. Selin; Pekcan, Önder (MANEY PUBLISHING, 2015)Steady state fluorescence and BioUV-Visible techniques were used to study film formation of polystyrene (PS) latex and Al2O3 composites depending on PS particles size and Al2O3 content. Two film series (SmPS/Al2O3 and ... -
Fluorescence study of film formation from PS/Al2O3 nanocomposites
Pekcan, Önder; Uğur, Şaziye; Sunay, M. Selin (Elsevier Science, 2014)Steady state fluorescence (SSF) and UV-vis (UVV) techniques were used to study the film formation behavior of pyrene (P) labeled polystyrene (PS) latex and Al2O3 (PS/Al2O3) composites depending on PS particles size and ... -
Measurement of oxygen diffusion in PS/PNIPAM films using fluorescence quenching
Yargı, Önder; Pekcan, Önder; Uğur, Şaziye (Taylor & Francis Ltd, 2015)The diffusion of oxygen into pyrene labelled polystyrene (PS) latex/poly(N-isopropylacrylamide) (PNIPAM) composite films (PS/PNIPAM) was studied based on PS content with the use of fluorescence quenching method. Fluorescence ... -
Oxygen Diffusion into Polymer-Clay Composite Films as a Function of Clay Content and Temperature
Uğur, Şaziye; Yargı, Önder; Elaissari, Abdelhamid; Pekcan, Önder (Wiley-VCH Verlag GmbH, 2009)A simple fluorescence technique is proposed for the measurement of the diffusion coefficient of oxygen into polystyrene-clay composite films as a function of clay content and temperature. The composite films were prepared ... -
Oxygen diffusion into polystyrene-bentonite films
Uğur, Şaziye; Yargı, Önder; Pekcan, Önder (Elsevier, 2009)A simple fluorescence technique is proposed for the measurement of the diffusion coefficient of oxygen into polystyrene-clay composite films. The composite films were prepared from the mixture of surfactant-free pyrene ... -
Particle Size Effect on the Film-Forming Process of PS/PBA Composite Latexes
Uğur, Şaziye; Sunay, M. Selin; Elaissari, Abdelhamid; Pekcan, Önder (John Wiley & Sons Inc, 2010)In this work the effect of hard particle size and blend ratio on the film formation behavior of hard polystyrene (PS) and soft poly(n-butyl acrylate) (PBA) latex blends was studied by means of steady-state fluorescence and ... -
Percolation and Film Formation Behaviors of MWNT/PS Nanocomposites
Uğur, Şaziye; Yargı, Önder; Pekcan, Önder (Elsevier Science Bv, 2011)This study involves the investigation of film formation and electrical conductivity properties of polystrene (PS) latex/multi-walled Carbon nanotube (MWNT) composites. Films prepared from PS/MWNT mixtures with different ... -
Polymer-Ceramic Nanocomposites
Pekcan, Önder; Uğur, Şaziye (Spie-Int Soc Optical Engineering, 2009)Steady state fluorescence (SSF) and photon transmission (PT) techniques were used for studying film formation from TiO2 and Al2O3 covered polystyrene (PS) latex particles. These films were annealed at elevated temperatures ... -
Temperature Dependence of Oxygen Diffusion into Clay-Doped PS Films
Uğur, Şaziye; Yargı, Önder; Pekcan, Önder (John Wiley & Sons Inc, 2010)Fluorescence technique was employed for the measurement of the diffusion coefficient of oxygen into polystyrene (PS) latex/modified Na-activated bentonite (MNaLB) clay composite films. Three different MNaLB content (0 5 ... -
Temperature dependence of oxygen diffusion into polymer/carbon nanotube composite films
Yargı, Önder; Uğur, Şaziye; Pekcan, Önder (Wiley-Blackwell, 2012)This study examines the transport properties of polystyrene (PS)/multiwalled carbon nanotube (MWNT) composite films taking into consideration both MWNT composition and temperature via fluorescence technique. Three different ...