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1) Macroporous networks formed by phase separation mechanism 2) Gel formation by free-radical mechanism a) experiments b) theory 3) Hydrogels a) swelling b) elasticity 4) Cryogels: cryogels 5) Microgels: microgels 6) Polymer-clay nanocomposite hydrogels: polymer-clay 7) Gels from rubber: organogels 8) Miscellaneous: miscellaneous |
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Okay
O,
Schindlbauer H, Wasserlösliche
Kationisch Modifizierte Copolymere mit Acrylamid
Okay O, Schindlbauer H, Stark basische Ionenaustauscher auf Guanidiniumsalz-Formaldehyd-Aceton-Basis
Angew. Makromol. Chem. 127, 203-209
(1984)
pdf
Okay O, Guclu H, Soner E,
Balkas TI, Boron
Pollution in the Simav River, Turkey and Various Methods of Boron
Removal
Tanrisever T, Okay O, and Sönmezoglu
IC, Kinetics of
emulsifier-free emulsion polymerization of methyl
methacrylate
Okay O, Soner E, Gungor A, Balkas, TI,
Phase Separation in the Synthesis of Styrene-Divinylbenzene Copolymers
with Di-2-ethylhexyl Phthalate as Diluent
Okay O, Balkas TI, Heterogeneous Styrene-Divinylbenzene
Copolymers in Collapsed and Reexpanded States
Okay O, Heterogeneous Styrene-Divinylbenzene Copolymers. Stability
Conditions of the Porous Structures
Okay O, Styrene-Divinylbenzene Copolymers IV. Porosity Changes
During Chloromethylation
Okay O, Porous Maleic Anhydride-Styrene-Divinylbenzene Copolymer
Beads
Okay O, Styrene-Divinylbenzene Copolymers V. Inhomogeneity in
the Structure and Average Degree of Swelling
Okay
O, Styrene-Divinylbenzene Copolymers VI. Porosity Formation in
the Presence of Toluene-Cyclohexanol Mixtures as Inert
Diluents
Okay O, Styrene-Divinylbenzene
Copolymers VII. Stability of the Porous Structures Formed in
Toluene-Cyclohexanol Mixtures
Okay O, Gurun C,
Formation and Structural Characteristics of Porous Ethylene Glycol
Dimethacrylate Networks
Küçük
I, Kuyulu A, and Okay O, Effect of diluents on the porous structure of crosslinked
polymethyl methacrylate beads
Erbay
E, and Okay O,
Macroporous Styrene - Divinylbenzene Copolymers: Formation of Stable
Porous Structures during the Copolymerization
Erbay E,
and Okay O, Pore memory of Macroporous Styrene
-Divinylbenzene Copolymer Beads
Okay O, Phase Separation in
Free-Radical Crosslinking Copolymerization: Formation of
Heterogeneous Polymer Networks
Okay O,
Formation of Macroporous Styrene - Divinylbenzene Copolymer Networks:
Theory versus
Experiments
Okay O, Macroporous Copolymer
Networks
Formation of gels by
free-radical mechanism: Experiments
Okay O,
Formation and Structural Characteristics of Loosely Crosslinked
Styrene-Divinylbenzene Networks
Pekcan Ö,
Yilmaz Y, Okay O, Fluorescence Technique to Study Sol-Gel Transition in
the Free-radical Crosslinking Copolymerization of Methyl Methacrylate and
Ethylene Glycol Dimethacrylate
Okay O, Naghash HJ, Pendant Vinyl Group Reactivity during the
Free-radical Copolymerization of Methyl Methacrylate and Ethylene Glycol
Dimethacrylate
Naghash
HJ, Okay O, Yildirim H, Gel Formation in Free-radical Crosslinking
Copolymerization
Okay O, Kurz M, Lutz K, Funke W, Cyclization and Reduced Pendant Vinyl
Group Reactivity during the Free-radical Crosslinking Polymerization of
1,4-Divinylbenzene
Okay O, Naghash HJ, Capek I, Free radical crosslinking copolymerization.
Effect of cyclization on diffusion-controlled termination at low
conversion
Naghash HJ, and Okay O, Formation and structure of
polyacrylamide gels
Pekcan Ö, Yilmaz Y, and Okay O, In situ fluorescence experiments to test the reliability of random
bond and site bond percolation models during sol-gel transition in
free-radical crosslinking copolymerization
Naghash HJ, Okay O, and Yagci Y, Size distribution of polymers during the photoinitiated
free-radical copolymerization of methyl methacrylate and ethylene glycol
dimethacrylate
Pekcan
O, Yilmaz Y, and Okay O, Determination of reaction activation energy during gelation
in free-radical crosslinking copolymerization using the steady-state
fluorescence method
Naghash HJ,
Okay O, and Yagci Y, Gel formation by chain crosslinking
photopolymerization of methyl methacrylate and ethylene glycol
dimethacrylate
Pekcan O, Yilmaz Y, and Okay O, Real time monitoring of polymerization
rate of methyl methacrylate using fluorescence probe
Okay O,
Balimtas NK, and Naghash HJ, Effects of cyclization
and pendant vinyl group reactivity on the swelling behavior of
polyacrylamide gels
Kayaman N, Kazan D, Erarslan A, Okay O, and Baysal BM, Structure and protein separation
efficiency of poly(N-isopropylacrylamide) gels: Effect of synthesis
conditions
Keskinel M, and Okay O, Effects of Cyclization and Electrostatic Interactions on the
Termination Rate of Macroradicals in Free-Radical Crosslinking
Copolymerization
Okay O, Kaya D, and Pekcan O, Free-radical Crosslinking Copolymerization of
Styrene and Divinylbenzene: Real Time Monitoring of the Gel Effect Using
Fluorescence Probe
Pekcan
O, Kaya D, and Okay O, Observation of critical opalescence in free radical crosslinking
copolymerization of styrene and divinylbenzene by fluorescence
method
Okay O, Funke W, Conditions of Microgel
Formation in the Anionic Polymerization of
1,4-Divinylbenzene
Okay O, Funke W,
Steric Stabilization of Reactive Microgels from
1,4-Divinylbenzene
Funke W, Bauer H, Joos B, Kaczun
J, Kleiner B, Leibelt U, Okay O,
Intramolecularly Crosslinked Macromolecules - Formation and Structure,
Characterization and Particle Properties
Funke W, Okay O,
and Joos-Muller B, Microgels- intramolecularly crosslinked
macromolecules with a globular structure
Macroporous hydrophilic polymer networks by reaction induced phase separation
Sayil
C, and Okay O,
Macroporous poly(N-isopropyl) acrylamide networks: Formation conditions
Sayil C, and Okay O, Macroporous poly(N-isopropylacrylamide) networks Polymer Bulletin 48, 499-506 (2002) pdf
Okay O, Kinetic Modelling of Network Formation and Properties in
Free-radical Copolymerization
Okay O, Gel Properties in Free-radical Crosslinking Copolymerization: A
Kinetic Approach
Okay O, Kinetics of Gelation in
Free-radical Crosslinking Copolymerization
Okay O,
Naghash HJ, Pekcan O, Critical properties for gelation
in free-radical crosslinking copolymerization
Okay
O, Critical properties
for gelation in free-radical crosslinking polymerization
Okay O, Gel growth in free-radical crosslinking copolymerization: Effect
of inactive gel radicals
Okay O, Reddy SK, and Bowman CN, Molecular weight development during thiol-ene photopolymerizations Macromolecules 38, 4501-4511 (2005) pdf
Okay O, and Bowman CN, Kinetic modeling of thiol-ene reactions with both step and chain growth aspects. Macromol. Theory Simul. 14, 267-277 (2005) pdf
Reddy SK, Okay O, and Bowman CN, Network Development in Mixed Step-Chain Growth Thiol-Vinyl Photopolymerizations Macromolecules 39, 8832-8843 (2006) pdf
Kayaman N, Okay O, and Baysal BM,
Phase transition of polyacrylamide gels in PEG solutions
Kayaman N,
Okay O, and Baysal BM, Swelling of polyacrylamide gels in
aqueous solutions of ethylene glycol oligomers
Kayaman N, Okay O, and Baysal BM, Phase transition of hydrolyzed polyacrylamide gels in PEG
solutions
Kayaman N, Okay O, and Baysal
BM, Swelling of polyacrylamide
gels in polyacrylamide
solutions
Okay O, and Akkan U,
Heterogeneities in polyacrylamide gels immersed in acetone- water
mixtures
Okay O,
Sariisik SB, Zor DS, Swelling Behavior of Anionic
Acrylamide-based Hydrogels in Aqueous Salt Solutions: Comparison of
Experiment with Theory
Okay O, and Sariisik SB,
Swelling Behavior of Poly(acrylamide-co-sodium acrylate) Hydrogels in
Aqueous Salt Solutions: Theory versus Experiments
Durmaz S, and Okay O,
Acrylamide / 2-acrylamido- 2- methyl propane sulfonic acid sodium salt
–based hydrogels: Synthesis and characterization
Melekaslan
D, and Okay O,
Swelling of strong polyelectrolyte hydrogels in polymer solutions: Effect
of ion pair formation on the polymer collapse
Okay O, and Gundogan N,
Volume phase transition of polymer networks in polymeric solvents
Gundogan N, and Okay O, Reentrant phase transition of poly(N-isopropylacrylamide) gels in polymer solutions: Thermodynamic analysis J. Appl. Polym. Sci. 85, 801-813 (2002) pdf
Melekaslan D, Kasapoglu F, Ito K, Yagci Y, and Okay O, Swelling and elasticity of hydrogels based on a poly(ethylene oxide) macroinimer Polymer Int. 53, 237- 242 (2004) pdf
Orakdogen N, and Okay O, Reentrant conformation transition in poly(N,N-dimethylacrylamide) hydrogels in water-organic solvent mixtures Polymer 47, 561-568 (2006) pdf
Dogu Y, and Okay O, Swelling-deswelling kinetics of poly(N-isopropylacrylamide) hydrogels formed in PEG solutions. J. Appl. Polym. Sci. 99, 37-44 (2006) pdf
Orakdogen N, and Okay O, Effect of initial monomer concentration on the equilibrium swelling and elasticity of hydrogels. Eur. Polym. J. 42, 955-960 (2006) pdf
Ceylan D, Can V, and Okay O, Phase transition of acrylamide-based polyampholyte gels in water. J. Macromol. Sci. A: Pure and Appl. Chem. 43, 1635-1649 (2006) pdf
Okay O, Yilmaz Y, Kaya D, Keskinel M, and Pekcan O, Heterogeneities during the formation
of poly(sodium acrylate) hydrogels
Durmaz
S, and Okay O, Phase
separation during the formation of poly(acrylamide)
hydrogels
Kara S, Okay O, and Pekcan O, In situ photon transmission technique for monitoring phase
separation in real time during gelation
Durmaz S, and Okay O,
Inhomogeneities in poly(acrylamide) gels: Position-dependent elastic
modulus measurements
Kara S, Okay O, and Pekcan O, Real time temperature
and photon transmission measurements for monitoring phase separation during the
formation of poly(N-isopropylacrylamide) gels
Kızılay MY, and Okay O, Effect of initial monomer concentration on spatial inhomogeneity in poly(acrylamide) gels Macromolecules 36, 6856-6862 (2003) pdf
Kızılay MY, and Okay O, Effect of hydrolysis on spatial inhomogeneity in poly(acrylamide) gels of various crosslink densities Polymer 44, 5239-5250 (2003) pdf
Cerid H, and Okay O, Minimization of spatial inhomogeneity
in polystyrene gels formed by free-radical mechanism
Kızılay MY, and Okay O, Effect of swelling on spatial inhomogeneity in poly(acrylamide) gels formed at various monomer concentrations. Polymer 45, 2567-2576(2004) pdf
Yazici I, and Okay O, Spatial inhomogeneity in poly(acrylic acid) hydrogels. Polymer 46, 2595-2602 (2005) pdf
Ozdogan A, and Okay O, Effect of spatial gel inhomogeneity on the elastic modulus of strong polyelectrolyte hydrogels. Polymer Bulletin 54, 435-442 (2005) pdf
Orakdogen N, Kizilay MY, and Okay O, Suppression of inhomogeneities in hydrogels formed by free-radical crosslinking copolymerization. Polymer 46, 11407-11415 (2005) pdf
Orakdogen N, and Okay O, Influence of the initiator system on the spatial inhomogeneity in acrylamide-based hydrogels. J. Appl. Polym. Sci. 103, 3228-3237 (2007) pdf
Orakdogen N, and Okay O, Correlation between crosslinking efficiency and spatial inhomogeneity in poly(acrylamide)hydrogels. Polymer Bulletin 57, 631-641 (2006) pdf
Okay
O, Durmaz S, and Erman B, Solution crosslinked poly(isobutylene) gels: synthesis and
swelling behavior
Ince MN, Erman B, Okay O,
Durmaz S, Elastic behavior of solution crosslinked poly(isobutylene)
gels under large compression
Durmaz S, Fank S, and Okay O, Swelling and mechanical
properties of solution crosslinked poly(isobutylene) gels
Okay O, and Durmaz S,
Charge density dependence of elastic modulus of strong polyelectrolyte
hydrogels
Gundogan N, Melekaslan D, and Okay O, Rubber elasticity
of poly(N-isopropylacrylamide) gels at various charge densities
Melekaslan D, Gundogan N, and Okay O, Swelling and elasticity of poly(N-isopropylacrylamide) gels immersed in the melt of poly(ethylene glycol) chains Polymer 44, 2281-2288 (2003) pdf
Melekaslan D, Gundogan N, and Okay O, Elasticity
of poly(acrylamide) gel beads
Gundogan N, Melekaslan D, and Okay O, Non-Gaussian
elasticity of swollen poly(N-isopropylacrylamide) gels at high charge
densities
Gundogan N, Melekaslan D, and Okay O, Swelling and
elasticity of poly(N-isopropylacrylamide-co-4-vinylbenzenesulfonic acid
sodium salt) hydrogels
Gundogan N, Okay O, and Oppermann W, Swelling,
elasticity and spatial inhomogeneity of poly(N,N-dimethylacrylamide)
hydrogels formed at various polymer concentrations.
Ozmen MM, and Okay O, Non-Gaussian elasticity of poly(2-acrylamido-2-methylpropane sulfonic acid) gels. Polymer Bulletin 52, 83-90 (2004) pdf
Temperature sensitive hydrogels
Sayil C, and Okay O, The
effect of preparation temperature on the swelling behavior of
poly(N-isopropylacrylamide) gels
Melekaslan D, and Okay O, Reentrant phase transition of strong polyelectrolyte poly(N-isopropylacrylamide) gels in PEG solutions Macromol. Chem. Phys. 202,304 - 312 (2001) pdf
Sayil C, and Okay O,
Swelling-shrinking hysteresis of poly(N-isopropyl)acrylamide) gels in
sodium dodecylbenzenesulfonate solutions
Ozturk V, and Okay O, Temperature sensitive poly(N-t-butyl
acrylamide-co-acrylamide) hydrogels: synthesis and swelling behavior
Melekaslan D, and Okay O, Temperature dependent swelling behavior of ionic poly(N-isopropylacrylamide) gels in PEG solutions Polymer Bulletin 49, 181-188 (2002) pdf
Ozmen MM, and Okay O, Swelling behavior of strong polyelectrolyte poly(N-t-butyl acrylamide-co-acrylamide) hydrogels Eur. Polym. J. 39, 877-886 (2003) pdf
Ozmen MM, and Okay O, Superfast responsive ionic hydrogels with contrallable pore size. Polymer 46, 8119-8127 (2005) pdf
Ceylan D, Ozmen MM, and Okay O, Swelling-deswelling kinetics of poly(acrylamide) hydrogels and cryogels. J. Appl. Polym. Sci. 99, 319-325 (2006) pdf
Ozmen MM, and Okay O, Superfast responsive ionic hydrogels: Effect of the monomer concentration. J. Macromol. Sci. A: Pure and Appl. Chem. 43, 1215-1225 (2006) pdf
Dinu MV, Ozmen MM, Dragan ES, and Okay O, Freezing as a path to build macroporous structures: Superfast responsive polyacrylamide hydrogels. Polymer 48, 195-204 (2007) pdf
Can V, and Okay O, Shake gels based on Laponite-PEO mixtures: Effect of polymer molecular weight. Designed Monomers Polymers 8, 453-462 (2005) pdf
Okay O, and Oppermann W, Polyacrylamide - clay nanocomposite hydrogels: Rheological and light scattering characterization. Macromolecules 40, 3378-3387 (2007) pdf
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