Polymer Science & Technology Research Laboratories

POLYMER SCIENCE & TECHNOLOGY RESEARCH LABORATORIES PUBLICATIONS

82. "Facile preparation of superhydrophobic polymer surfaces"

Iskender Yilgor, Sevilay Bilgin, Mehmet Isik, Emel Yilgor

Polymer, 53 (6), 1180-1188, (2012)

81. "Effect of UV/Ozone irradiation on the surface properties of electrospun webs and films prepared from polydimethylsiloxane-urea copolymer"

Emel Yilgor, Orkun Kaymakci, Mehmet Isik, Sevilay Bilgin and Iskender Yilgor

Applied Surface Science, 258 (10), 4246-4253, (2012)

80. "Multiscale modeling of morphology and properties of segmented silicone-urea copolymers"

Erol Yildirim, Mine Yurtsever, Ersin Yurtsever, Iskender Yilgor and Emel Yilgor

J.Inorg.Organomet. Polym. (2011)

79. "Fumed silica filled poly(dimethylsiloxane-urea) segmented copolymers: Preparation and properties"

E. Yilgor,T. Eynur, C. Kosak, S. Bilgin, I. Yilgor, O. Malay, Y. Menceloglu, G.L.Wilkes

Polymer, 52 (19), 4189-4198, (2011)

78. "Influence of soft segment molecular weight on the mechanical hysteresis and set behavior of silicone-urea copolymers with low hard segment contents"

Iskender Yilgor, Tugba Eynur, Sevilay Bilgin, Emel Yilgor, Garth L. Wilkes

Polymer, 52 (2), 266-274 (2011)

77. "Erbium(III)-doped polyurethaneureas: Novel broadband ultraviolet-to-visible converters"

Huseyin Cankaya, Reyhane Kilci, Alphan Sennaraoglu, Emel Yilgor, Iskender Yilgor

J.A.Polymer Sci., 117 (1), 378-383, (2010)

76. "Novel synthetic approach fort he preparation of poly(urethaneurea) elastomers"

E. Yilgor, M. Isik and I. Yilgor

Macromolecules, 43 (20), 8588-8593 (2010)

75. "Antibacterial silicone-urea/organoclay nanocomposites"

Emel Yilgor, Isik Isil Nugay, Murat Bakan and Iskender Yilgor

Sillicon, 1(3), 183-190 (2009)

74. "Real time mechano-optical study on deformation behavior of PTMO/CHDI based polyetherurethanes under uniaxial extension"

E. Unsal, B.Yalcin, I. Yilgor, E. Yilgor, M. Cakmak

Polymer, 50 (19), 4644-4655 (2009)

73. "PIB-Based polyurethanes. IV. The morphology of polyurethanes containing soft co-segments"

Gabor Erdodi, Jungmee Kang, Joseph P. Kennedy, Emel Yilgör, Iskender Yilgor

J. Polymer Sci. A., Polymer Chemistry, 47(22), 6180-6190 (2009)

72. "Polyisobutylene-Based Polyurethanes. III. Polyurethanes containing PIB/PTMO soft co-sogments"

Gabor Erdodi, Jungmee Kang, Joseph P. Kennedy, Emel Yilgör, Iskender Yilgor

J. Polymer Sci. A., Polymer Chemistry, 47(20), 5278-5290 (2009)

71. "Polyisobutylene-Based Polyurethanes. II.Polyureas containing mixed PIB/PTMO soft segments""
Suresh K. Jewrajka, Jungmee Kang, Gabor Erdodi, Joseph P. Kennedy, Emel Yilgor, Iskender Yilgor
J. Polymer Sci.A, Polymer Chemistry, 47(11), 2787-2797 (2009)

70. "Contribution soft segment entanglement on the tensile properties of silicone-urea copolymers with low hard segment contents"

I. Yilgor, T. Eynur, E. Yilgor, G.L. Wilkes

Polymer, 50 (19), 4432-4437 (2009)

69. "Time dependent morphology development in segmented polyetherurea copolymers based on aromatic diisocyanates"
I. Yilgor, E. Yilgor, S. Das and G. L. Wilkes
J. Polymer Sci., Polymer Physics, 47(5), 471-483 (2009)

68. "Polyisobutylene-Based Segmented Copolymers. 1. Synthesis of Hydrolytically and Oxidatively Stable Polyureas"
Suresh K. Jewrajka, Emel Yilgor, Iskender Yilgor and Joseph P. Kennedy,
J. Polymer Sci., Polymer Chemistry, 47(1), 38-48 (2009)

67. "Informal undergraduate polymer research program at Koc University Chemistry Department"
I. Yilgor and E. Yilgor
Polymer Reviews, 48(4), 633-641 (2008)

66. "Influence of polymerization procedure on polymer topology and other structural properties in highly branched polymers obtained by A2+B3 approach"
C. Oguz, M. A. Gallivan, S. Cakir, E. Yilgor and I. Yilgor
Polymer, 49(5), 1414-1424 (2008)

65. "Probing the urea hard domain connectivity in segmented, non-chain extended polyureas using hydrogen-bond screening agents"
Sudipto Das, Iskender Yilgor, Emel Yilgor, Garth L. Wilkes
Polymer, 49(1), 174-179 (2008)

64. "Structure-morphology-property behavior of segmented thermoplastic polyurethanes and polyureas prepared without chain extenders"
I. Yilgor and E. Yilgor
Polymer Reviews, 47(4), 487-510 (2007)

63. "Effect of Symmetry and H-bond Strength of Hard Segments on the Structure-Property Relationships of Segmented, Non-Chain Extended Polyurethanes and Polyureas"
Sudipto Das, Derek B. Klinedinst, Iskender Yilgor, Emel Yilgor, Frederick L. Beyer, David F. Cox, Garth L. Wilkes J.Macromol.Sci., Part B:Phys., 46 (5), 853-875 (2007)

62. "Structure-property relationships and melt rheology of segmented, non-chain extended polyureas: Effect of soft segment molecular weight"
Sudipto Das, Iskender Yilgor, Emel Yilgor, Bora Inci, Ozgul Tezgel, Frederick L. Beyer, Garth L. Wilkes
Polymer, 48(1), 290-301 (2007)

61. "FTIR Investigation of the Influence of Diisocyanate Symmetry on the Morphology Development in Model Segmented Polyurethanes"
Iskender Yilgor, Emel Yilgor, I. Guclu Guler, Thomas C. Ward and Garth L. Wilkes
Polymer, 47(11), 4105-4114 (2006)

60. "Highly Branched Poly(arylene ether)s via Oligomeric A2+B3 strategies"
Qin Lin, Serkan Unal, Ann R. Fornof, Iskender Yilgor and Timothy E. Long
Macromolecular Chemistry and Physics, 207(6), 576-586 (2006)

59. "Anomalous Dilute Solution Properties of Segmented Polydimethylsiloxane-Polyurea Copolymers in Isopropyl Alcohol"
Iskender Yilgor, Thomas C. Ward, Emel Yilgor and G. Ekin Attila
Polymer, 47(4), 1179-1186 (2006)

58. "Luminescent Nd3+ doped silicone-urea copolymers"
Umit Demirbas, Adnan Kurt, Alphan Sennaroglu, Emel Yilgor and Iskender Yilgor
Polymer, 47(4), 982-990 (2006)

57. "Structure–property behavior of new segmented polyurethanes and polyureas without use of chain extenders"
D. B. Klinedinst, J. P. Sheth, E. Yilgör, I. Yilgör, F. L. Beyer and G. L. Wilkes
J. Rubber Chemistry and Technology, 78(5), 737-753 (2005)

56. "Time-dependent morphology development in a segmented polyurethane with monodisperse hard segments based on 1,4-phenylene diisocyanate"
J. P. Sheth, D. B. Klinedinst, T. W. Pechar, G. L. Wilkes, E. Yilgor and I. Yilgor
Macromolecules, 38(24), 10074-10079 (2005)

55. "Structure-property behavior of segmented polyurethaneurea copolymers based on an ethylene-butylene soft segment"
Derek B. Klinedinst, Emel Yilgör, Iskender Yilgör, Frederick L. Beyer and Garth L. Wilkes
Polymer, 46(23), 10191-10201 (2005)

54. "A comparative study of the structure-property behavior of highly branched segmented poly(urethane urea) copolymers and their linear analogs"
Jignesh P. Sheth, Serkan Unal, Emel Yilgor, Iskender Yilgor, Frederick L. Beyer,
Timothy E. Long and Garth L. Wilkes
Polymer, 46(23), 10180-10190 (2005)

53. "Structure-property behavior of poly(dimethylsiloxane) based segmented polyurea copolymers modified with poly(propylene oxide)"
Jignesh P. Sheth, Emel Yilgor, Burcin Erenturk, Hayriye Ozhalici, Iskender Yilgor, and Garth L. Wilkes
Polymer, 46(19), 8185-8193 (2005)

52. "Role of chain symmetry and hydrogen bonding in segmented copolymers with monodisperse hard segments"
J. P. Sheth, Derek B. Klinedinst, Garth L Wilkes, Iskender Yilgor, Emel Yilgor
Polymer, 46(18), 7317-7322 (2005)

51. "Probing the hard segment phase connectivity and percolation in model segmented polyurethaneurea copolymers"
J. P. Sheth, A. Fornof, T. E. Long, I. Yilgor, and G. L. Wilkes
Macromolecules, 38(13), 5681-5685 (2005)

50. "Understanding the structure development in hyperbranched polymers prepared by oligomeric A2+B3 approach: Comparison of experimental results and simulations"
S. Unal, C. Oguz, E. Yilgor, M. Gallivan, T. E. Long and I. Yilgor
Polymer, 46(13), 4533-4543 (2005)

49. "Electrospinning of linear and highly branched segmented poly(urethane urea)s"
M. G. McKee, T. Park, S. Unal, I. Yilgor and T. E. Long
Polymer, 46(7), 2011-2015 (2005)

48. "Influence of annealing on the performance of short glass fiber reinforced polyphenylene sulfide (PPS) composites"
A. Arıcı, T. Sınmazçelik, L. Çapan, I. Yilgor and E. Yilgor
J. Composite Materials, 39(1), 21-33 (2005)

47. "Rheology and Processing of BaSO4 Filled Medical-Grade Thermoplastic Polyurethane"
G. Lu, D. M. Kalyon, I. Yilgor and E. Yilgor
Polym. Eng. Sci., 44(10), 1941-1948 (2004)

46. "Effect of chemical composition on large deformation mechano-optical properties of high strength thermoplastic polyurethaneureas"
S. Curgul, I. Yilgor, E. Yilgor, B. Erman and M. Cakmak
Macromolecules, 37(23), 8676-8685 (2004)

45. "A new generation of highly branched polymers: Hyperbranched, segmented polyurethaneurea elastomers"
S. Unal, I. Yilgor, E. Yilgor, J. P. Sheth, G. L. Wilkes and T. E. Long
Macromolecules, 37(19), 7081-7083 (2004)

44. "Influence of system variables on the morphological and dynamic mechanical behavior of polydimethylsiloxane based segmented polyurethane and polyurea copolymers: A comparative perspective"
J. P. Sheth, A. Aneja, G. L. Wilkes, E. Yilgor, G. E. Atilla, I. Yilgor and
F. L. Beyer
Polymer, 45(20), 6919-6932 (2004)

43. "Preparation of poly(ether-urea) copolymers in isopropanol. In-situ FTIR studies and polymer synthesis"
Iskender Yilgor, Brian Mather, Serkan Unal, Emel Yilgor, and Timothy E. Long
Polymer, 45(17), 5829-5836 (2004)

42. "Rheology and Extrusion of a Medical-Grade Thermoplastic Polyurethane"
G. Lu, D. M. Kalyon, I. Yilgor and E. Yilgor
Polym. Eng. Sci., 43(12), 1863-1877 (2003)

41. "Isopropyl alcohol: An unusual, powerful, "green" solvent for the preparation of silicone-urea copolymers with high urea contents"
E. Yilgor, G. E. Atilla, A. Ekin, P. Kurt and I. Yilgor
Polymer, 44(26), 7787-7793 (2003)

40. "Exploring Urea Phase Connectivity in Molded Flexible Polyurethane Foam Formulations Using LiBr as a Probe"
A. Aneja, G. L. Wilkes, I. Yilgor, E. Yilgor and E. Yurtsever
J. Macromol. Sci. Part B-Physics, B42(6), 1125-1139 (2003)

39. "Surface properties of polyamides modified with reactive polydimethylsiloxane oligomers and copolymers"
E. Yilgor, I. Yilgor and S. Suzer
Polymer, 44(24), 7271-7279 (2003)

38. "Influence of Lithium Chloride on the Morphology of Flexible Slabstock Polyurethane Foams and Their Plaque Counterparts"
A. Aneja, G. L. Wilkes, E. Yurtsever and I. Yilgör
Polymer, 44(3), 757-768 (2003)

37. "Conformational Analysis of Model Poly(ether urethane) Chains in the Unperturbed State and Under External Forces"
I. Yilgör, E. Yurtsever and B. Erman
Macromolecules, 35(26), 9825-9831 (2002)

36. "Hydrogen bonding and polyurethane morphology II. Spectroscopic, thermal and crystallization behavior of polyether blends with 1,3-dimethylurea and a model urethane compound"
E. Yilgör, E. Yurtsever and I. Yilgör
Polymer, 43(24), 6561-6568 (2002)

35. "Hydrogen bonding and polyurethane morphology I. Quantum mechanical calculations of hydrogen bond energies and vibrational spectroscopy of model compounds"
E. Yilgör, I. Yilgör and E. Yurtsever
Polymer, 43(24), 6551-6559 (2002)

34. "Electrospinning of Polyurethane Fibers"
M. M. Demir, I. Yilgör, E. Yilgör and B. Erman
Polymer, 43(11), 3303-3309 (2002)

33. "Modification of polyolefins with silicone copolymers. II. Thermal, mechanical and Tribological behavior of PP and HDPE blended with silicone copolymers"
Emel Yilgor, Tamer Sinmazcelik and Iskender Yilgor
J. Appl. Polym. Sci., 84(3), 535-540 (2002)

32. "Modification of polyolefins with silicone copolymers. I. Processing behavior and surface characterization of PP and HDPE blended with silicone copolymers"
Iskender Yilgor, Emel Yilgor and Sefik Suzer
J. Appl. Polym. Sci., 83(8), 1625-1634 (2002

31. "Hydrogen Bonding: A Critical Parameter in Designing Silicone Copolymers"
Emel Yilgor and Iskender Yilgor
Polymer, 42(19), 7953-7959 (2001)

30. "Comparison of Hydrogen Bonding in Polydimethylsiloxane and Polyether Based Urethane and Urea Copolymers"
E. Yilgor, E. Burgaz, E. Yurtsever and I. Yilgor
Polymer, 41(3), 849-857 (2000)

29. "Catalyst effect on the transesterification reaction between polycarbonate and
polycaprolactone-b-polydimethylsiloxane triblock copolymers"
D. Ardal, E. Yilgor and I. Yilgor
Polymer Bulletin, 43, 207-214 (1999)

28. "Hydrophilic Polyurethaneurea Membranes: Influence of Chemical Composition
on the Water Vapor Permeation Rates"
I. Yılgör and E. Yılgör
Polymer, 40(20), 5575-5581 (1999)

27. "Thermal Stabilities of End-Groups in Hydroxyalkyl Terminated Polydimethylsiloxane Oligomers"
I. Yilgor and E. Yilgor
Polym. Bull., 40, 525-532 (1998)

26. "1,3-Bis(g-aminopropyl)tetramethyldisiloxane Modified Epoxy Resins:
Curing and Characterization"
E. Yilgör and I. Yilgör
Polymer, 39, 1691-1695 (1998)

25. "Thermal Stabilities of Hydroxyalkyl Terminated Polydimethylsiloxane Oligomers"
I. Yilgor and E. Yilgor
Tr. J. Chemistry, 21, 277-285 (1997)

24. "Surface Depletion of End Groups in Amine-Terminated Poly(dimethylsiloxane)"
C. J. Jalbert, J. T. Koberstein, R. Balaji, Q. Bhatia, L. Salvati, Jr., and I. Yilgor
Macromolecules, 27(9), 2409-2413 (1994)

23. "Silicone Surfactants. Part V: Siloxane Copolymers as Surface Modifying Additives for Polymers"
I. Yilgor, E. Yilgor and B. Gruning
Tenside Surf. Det., 30(3), 158-164 (1993)

22. "Molecular Weight Dependence and End-Group Effects on the Surface Tension of Poly(dimethylsiloxane)"
C. Jalbert, J. T. Koberstein, I. Yilgor, P. Gallager and V. Krukonis
Macromolecules, 26(12), 3069-3074 (1993)

21. "Chemical Modification of Matrix Resin Networks with Engineering Thermoplastics: I. Synthesis, Morphology, Physical Behavior and Toughening Mechanisms of Poly(arylene ether sulphone) modified Epoxy Networks"
J. L. Hedrick, I. Yilgor, M. Jurek, J. C. Hedrick, G. L. Wilkes and J. E. McGrath,
Polymer, 32, 2020-2032 (1991)

20. "Isocyanate-Epoxy Reactions in Bulk and Solution"
J. S. Senger, I. Yilgor, J. E. McGrath and R. A. Patsiga
J. Appl. Polym. Sci., 38, 373-382 (1989)

19. "Novel Triblock Siloxane Copolymers: Synthesis, Characterization and
Their Use as Surface Modifying Additives"
I. Yilgor, W. P. Steckle, Jr., E. Yilgor, R. G. Freelin and J. S. Riffle
J. Polym. Sci., Part-A: Polym. Chem., 27, 3673-3690 (1989)

18. "Polysiloxane Containing Copolymers: A Survey of Recent Developments"
I. Yilgor and J. E. McGrath
Advances in Polymer Science, Vol. 86, 1-87 (1988)

17. "The Synthesis and Characterization of Poly(Dimethylsiloxane) Based Liquid Crystals"
R. C. Allen, G. L. Wilkes, I. Yilgor, D. Wu and J. E. McGrath
Makromol. Chem., 187, 2909-2931 (1986)

16. "Effect of Catalysts on the Reaction Between a Cycloaliphatic Diisocyanate
(H-MDI) and n-Butanol"
I. Yilgor and J. E. McGrath
J. Appl. Polym. Sci., 30, 1733-1739 (1985)

15. "Polymeric Peroxycarbamates: Synthesis, Characterization and Their Initiation of Styrene Polymerization"
I. Yilgor and B. M. Baysal
Makromol. Chem., 186, 463-472 (1985)

14. "Chemical Modification of Matrix Resin Networks with Engineering Thermoplastics. I. Phenolic Hydroxyl Terminated Poly(Aryl Ether Sulfone)-Epoxy Systems"
J. L. Hedrick, I. Yilgor, G. L. Wilkes and J. E. McGrath
Polym. Bull., 13(3), 201-208 (1985)

13. "Novel Supercritical Fluid Techniques for Polymer Fractionation an Purification.
II. Fractionation and Characterization of Functional Siloxane Oligomers"
I. Yilgor, J. E. McGrath and V. J. Krukonis
Polym. Bull., 12, 499-506 (1984)

12. "Novel Supercritical Fluid Techniques for Polymer Fractionation and Purification. I. Background"
I. Yilgor, J. E. McGrath and V. Krukonis
Polym. Bull., 12, 491-497 (1984)

11. "Segmented Organosiloxane Copolymers. 2. Thermal and Mechanical Properties of Siloxane-Urea Copolymers"
D. Tyagi, I. Yilgor, J. E. McGrath and G. L. Wilkes
Polymer, 25(12), 1807-1816 (1984)

10. "Segmented Organosiloxane Copolymers. I. Synthesis of Siloxane-Urea Copolymers"
I. Yilgor, A. K. Sha'aban, W. P. Steckle, Jr., D. Tyagi, G. L. Wilkes and J. E. McGrath
Polymer, 25(12), 1800-1806 (1984)

9. "Synthesis and Characterization of Sulfonated Poly(Arylene Ether Sulfones)"
B. C. Johnson, I. Yilgor, C. Tran, M. Iqbal, J. P. Wightman, D. R. Lloyd and
J. E. McGrath, J. Polym. Sci., Polym. Chem., 22(3), 721-737 (1984)

8. "Synthesis of High Molecular Weight Polyester-Carbonates via Interfacial
Phosgenation of Aromatic Dicarboxylic Acids and Biphenols"
F. L. Keohan, R. G. Freelin, J. S. Riffle, I. Yilgor and J. E. McGrath
J. Polym. Sci., Polym. Chem., 22(3), 679-704 (1984)

7. "Synthesis and Characterization of Free-Radical Cured Bismethacryloxy
Bisphenol-A Epoxy Networks"
I. Yilgor, E. Yilgor, A. K. Banthia, G. L. Wilkes and J. E. McGrath
Polym. Composites, 4(2), 120-125 (1983)

6. "Siloxane-Urea Segmented Copolymers: II. Investigation of Mechanical Behavior"
D. Tyagi, G. L. Wilkes, I. Yilgor and J. E. McGrath
Polym. Bull., 8, 543-550 (1982)

5. "Siloxane-Urea Segmented Copolymers: I. Synthesis and Characterization of
Model Polymers from MDI and a,w-Bis(Aminopropyl)Polydimethylsiloxane"
I. Yilgor, J. S. Riffle, G. L. Wilkes and J. E. McGrath
Polym. Bull., 8, 535-542 (1982)

4. "A DSC Kinetic Study of Epoxy Network System Bisphenol A Diglycidylether-
Bis(4-aminocyclohexyl)methane"
I. Yilgor, E. Yilgor, A. K. Banthia, G. L. Wilkes and J. E. McGrath
Polym. Bull., 4(6), 323-327 (1981)

3. "Kinetics of the Reaction of a Glycol with a Diisocyanate"
I. Yilgor, E. H. Orhan and B. M. Baysal
Makromol. Chem., 179, 109-112 (1978)

2. "Block Copolymers from Poly(ethylene oxide) and Styrene"
E. H. Orhan, I. Yilgor and B. M. Baysal
Polymer, 18, 286-290 (1977)

1. "Preparation of Block Copolymers by Use of Some New Polymeric Peroxides
and Characterization of the Products"
B. M. Baysal, E. H. Orhan and I. Yilgor
J. Polym. Sci., Symp. No. 46, 237-249 (1974)