1 - Studies on the Oxocarbenium Polymerization of Tetrahydrofuran Initiated by Chlorinated Hycar Polymers in Conjunction with AgBF4. Y.Yağcı, A.Şakarcan(Önen), A.C.Aydoğan, J.Polym.Materials, 3, 79-82 (1986). 2 - Nonaqueous Potentiometry of Nitrogen Containing Compounds in NitrobenzeneAceticanhydride Mixture. A.Önen, A.S.Saraç, A.Önen, Bull.Techn.Univ. of Istanbul, 3, 40, 597-607 (1987). 3 - Core Shell Type Polymer Microspheres Prepared by Domain Fixing of Block Copolymer Films. K.Ishizu, A.Önen, J.Polym.Sci.Polym.Chem.Ed., 27, 3721-3731 (1989). 4 - Bifunctional Inıtiators: Synthesis, Characterization and Initiator Properties of Azo-Benzoin Initiators. A.Önen and Y.Yağcı, J.Macromol.Sci.Chem., A27-(6), 743-753 (1990). 5 - Bifunctional Initiators II: Bulk Polymerization of Styrene Initiated by 4,4' -Azobis(4-Cyanopentanoyl)bis(-Methylol Benzoin Methyl Ether). A.Önen and Y.Yağcı, Angew.Makromol.Chem., 181, 191-197 (1990). 6 - Bifunctional Initiators III: Photochemical Synthesis of Block Copolymers of Styrene and Methyl Methacrylate with the Aid of Azo-Benzoin Initiators. Y.Yağcı and A.Önen, J.Macromol.Sci.Chem., A28-(1), 129-141 (1991). 7 - Photo Induced Block Copolymerization Using 4,4' -Azobis(4-Cyanopentanoic Acid) and Lead Tetraacetate. Y.Yağcı and A.Önen, J.Macromol.Rep., A28, 25-29 (1991). 8 - Block Copolymers by Combination of Radical and Promoted Cationic Polymerization Routes. Y.Yağcı, A.Önen and W.Schnabel, Macromolecules, 24, 4620-4623 (1991). 9 - Negative Working Resist by Photosensitization of Onium Salts. A.Kuntman, A.Önen and Y.Yağcı, J.Polym.Materials, 9, 55-58 (1992). 10- Photoinitiated Cationic Polymerization of Cyclohexeneoxide Using Photosensitive Polymers Having Benzoin Side Groups in the Presence of Pyridinium Salt. A.Önen and Y.Yağcı, Eur.Polym.J., 28, 7, 721-723 (1992). 11- Estimation of the Average Structural Parameterd From Asphaltites and Oil Shales Pyrolysis Products by 1H and 13C NMR Spectroscopy. A.Önen, A.S.Saraç, A.Önen and E.Ekinci, Fuel Process.Techn., 32, 151-158 (1992). 12- Bifunctional Initiators V: Preparation of Polymers with Azo Linkage by Using Azo-Benzoin Initiators and Their Use in Block Copolymerization. Y.Hepuzer, M.Bektaş, S.Denizligil, A.Önen and Y.Yağcı, J.Macromol.Rep., A30, 111-115 (1993). 13- Cationic Polymerization of Cyclohexene Oxide Using Polymeric Photosensitizer in the Presence of Pyridinium Salt. A.Önen and Y.Yağcı, Doğa-Tr.J.of Chem., 17, 44-49 (1993). 14- Photocrosslinking of Poly(Allyl Methacrylate) Prepared by Group Transfer Polymerization. A.Önen, H.Giz and Y.Yağcı, Doğa-Tr.J.of Chem., 17, 50-53 (1993). 15- Novel Polymeric Photoinitiators and Their Use in Block Copolymerization, Y.Yağcı, A.Önen, W.Schnabel, S.Denizligil, G.Hızal, Ü.Tunca, Aspects of Photoinitiation: Radcure Coatings and Inks (England), 149-172 (1993). 16- Polymers with Acyloxime Ester in the Main Chain: Synthesis, Characterization and Initiator Properties of an Azo Containing Ester İnitiator. A.Önen, S.Denizligil and Y.Yağcı, Angew.Makromol.Chem., 217, 79-89 (1994). 17- Photoactive Polysiloxanes.1.Synthesis of Polydimethylsiloxane with Benzoin Terminal Groups. Y.Yağcı, A.Önen, V.Harabagiu, M.Pinteala,C.Cotzur, B.C.Simionescu, Tr.J.Chem., 18, 101-104 (1994). 18- Synthetic Routes to Block Copolymerization by Changing Mechanism From Cationic Polymerization to Free Radical Polymerization. Y.Yağcı, G.Hızal, A.Önen, İ.E.Serhatlı, Macromol.Symp., 84, 127-136 (1994). 19- Photosensitized Free Radical Polymerization Using Pyridinium Salts. N.Kayaman, A.Önen, Y.Yağcı, W.Schnabel, Polym.Bull., 32, 589-596 (1994). 20- Polymeric Pyridinium Salts as Photoinitiators for Cationic Polymerization, O.Karal, A.Önen, Y.Yağcı, Polymer, 35, 21, 4694-4686 (1994). 21- Photoactive Polyepichlorohydrin:1. Synthesis of Polyepichlorohydrin with Terminal Benzoin Groups by Activated Monomer Polymerization. Y.Yağcı, Y.Hepuzer, A.Önen, İ.E.Serhatlı, P.Kubisa, T.Biedron, Polym.Bull., 33, 411-416 (1994). 22- Polymers with Acyloxime Ester Groups in the Main Chain 2. Photochemical Synthesis of Block Copolymers. T.İmamoğlu, A.Önen, Y.Yağcı, Angew.Makromol.Chem., 224, 145 (1995). 23- Photoinduced Synthesis of Amino Functional Telechelics. A.Önen, S.Denizligil, Y.Yağcı, Macromolecules, 28, 5375-5377 (1995). 24- Photoinitiated Zwitterionic Polymerization of Alkylcyanoacrylates by Pyridinium Salts. N.Arsu, A.Önen, Y.Yağcı, Macromolecules, 29, 8973-8974 (1996) 25- Synthesis of Benzoin Terminated Polytetrahydrofuranes. A.Önen, Y.Yağcı, W.Schnabel, Angew.Makromol.Chem., 243, 143-149 (1996). 26- Redox Initiated Cationic Polymerization: The Pyridinium Salt/Ascorbate Redox Couple. A.Önen and Y.Yağcı, Polymer, 38, 6, 1423-1425 (1997). 27- Cationic Polymerization by Using Allyl Sulfonium Salt 3: Allyl Sulfonium Salt/Ascorbate Redox Couple. A.Önen, S.Denizligil, Y.Yağcı, Angew.Makromol.Chem., 245, 149-154 (1997). 28-An Allylic Pyridinium Salt: Radical Promoted Latent Thermal Catalyst for Cationic Polymerization. Y.Yağcı and A.Önen, J.Polym.Sci., 34, 3621-3623 (1997). 29- Controlled Radical Polymerization Initiated By Stable Radical Terminated Polytetrahydrofuran. Y.Yağcı, A.Başkan Düz and A.Önen, Polymer, 38, 2861-2863 (1997). 30- Separation of Block Copolymers From Parent Homopolymers By Means Of Liquid Chromatography At The Critical Adsorption Point. M.Janco, D.Berek, A.Önen, Ch-H.Fischer, Y.Yağcı, W.Schnabel, Polym.Bull., 38, 681-689 (1997). 31- Conducting Copolymers of Polypyrrole/Polytetrahydrofuran N.Kızılyar, L.Toppare, A.Önen, Y.Yağcı, Polym.Bull., 40, 639-645 (1998). 32- Photoinduced Synthesis and Reactions of Stable Radical Incorporated Polymethylmethacrylate A.Başkan Düz, A.Önen and Y.Yağcı, Angew.Makromol.Chem., 228, 1 (1998). 33- Bifunctional Polytetrahydrofuranes: Synthesis and Utilization of Azo-Benzoin Functional Polytetrahydrofuranes. A.Önen and L.Atmaca, Angew.Makromol.Chem., 228, 45 (1998). 34- Synthesis of Conducting Polypyrrole/Polytetrahydrofuran Copolymers N.Kızılyar, L.Toppare, A.Önen, Y.Yağcı, J.Appl.Polym.Sci., 71,713 (1999) 35- Photoinitiated Polymerization of Ethyl Cyanoacrylate by Phosphonium Salts A.Önen, N.Arsu, Y.Yağcı, Angew.Makromol.Chem., 264, 56 (1999) 36-Conducting Multiphase Block Copolymers of Pyrrole with Polytetrahydrofuran and Polytetrahydrofuran-b-Styrene Copolymers S.Öztemiz, L.Toppare, A.Önen, Y.Yağcı, J.Macromol.Sci.-Pure Appl.Chem., A37(3), 277-291 (2000) 37-Allyloxy Isoquinolinium Salts as Initiators for Cationic Polymerization L.Atmaca, A.Önen and Y.Yağcı, Eur.Polym.J., 37, 4, 677-682 (2001) 38-Polymeric N-allyl vinylpyridinium salts as addition-fragmentation type initiators for cationic polymerization M.Onciu, A.Önen and Y.Yağcı, Polymer Int., 50, 144-147 (2001) 39-A Novel Bifunctional Addition-Fragmentation Agent For Photoinitiated Cationic Polymerization Y.Yağcı, S.Yıldırım, A.Önen, Macromol.Chem., Phys., 202, 527-531 (2001) 40-Synthesis of a Novel Addition-Fragmentation Agent Based on Michler’s Ketone and Its Use as Photoinitiator for Cationic Polymerization A.Önen and Y.Yağcı, Polymer, 42, 16, 6681-6685 (2001) 41-The Effect of Hetero Atom Moiety of the Allylic Salts on the Addition Fragmentation Initiation of Cationic Polymerization A.Önen And Y.Yağcı, Macromol.Chem. Phys., 202, 1950-1954 (2001) 42- Structure and Reactivity of Addition Fragmentation Agents In Photochemically and Thermally Induced Cationic Polymerizations Y.Yağcı, A.Önen, I.Reetz, Makromol.Symp., 174, 255-267 (2001) 43-Visible Light Photoinitiation of Cationic Polymerization By Using Titanocene in the Presence of Onium Salts M.Değirmenci, A.Önen, Y.Yağcı, Polym.Bull., 46, 443-449 (2001). 44- Initiation of Cationic Polymerization By Using Allyl Anilinium Salts in the Presence of Free Radical Initiators A.Önen, Y.Yağcı, Macromolecules, 34, 7608-7612 (2001) 45-Synthesis and Characterization of Dienic Salts as Addition Fragmentation Type Initiators for Cationic Polymerization Berfu Yöneyman, A.Önen, Y.Yağcı, Designed Monomers and Polymers, 4, 381 (2001) 46- Immobilization of Glucose Oxidase in Polypyrrole/polytetrahydrofuran Graft Copolymers S.Tirkeş, L.Toppare, S.Alkan, U.Bakır, A.Önen and Y.Yağcı, Int.J.Biomacro., 30, 81 (2002) 47- Photoinitiated Cationic Polymerization Using Allyl Sulfonium Salts. Substituent Effect an the Initiator Activity. F.Bayramoğlu, A.Önen, Y.Yağcı, e-polymer, 10 (2001). 48- Addition Fragmentation Agents With Radical Generating Sites As Photoinitiators For Cationic Polymerization. Y.Yağcı, A.Önen, Polymer Preprints, 42 (2), (2001). 49- Photoinitiated Cationic Polymerization Using a Novel Phenacylanilinium Salt F. Kasapoglu, A.Önen, N. Bicak, Y.Yagci, Polymer,43, 2575-2579 (2002). 50- Benzophenone Based Addition Fragmentation Agent For Photoinitiated Cationic Polymerization S.Yurteri, A.Onen, Y.Yagci, Eur.Polym.J., 38, 1845-1850 (2002) 51-Synthesis of Liquid Crystalline-Amorphous Block Copolymers By Combination of PhotoInduced and Atom Transfer Radical Polymerization Mechanisms. İ.E.Serhatli, T.Kaçar, A.Önen, J. Polym.Sci, Polym.Chem.Ed., 41 (13), 1892-1903 (2003) 52- İnitiation of Polymerization by addition fragmentation reactions Bifunctional addition Fragmentation Agents as Photoinitiators for Cationic Polymerization, Photoinitiated Polymerization: Edited by K.D.Belfield and J.V.Crivello, A.Önen , Y. Yağcı ACS Symp. Series 847, 2003. 53- Graft copolymerization of methylmethacrylate with N-substituted maleimide-styrene copolymer by ATRP T. Çakir, I.E. Serhatlı, A. Önen, J. Appl. Pol. Sci. , 99, 1993-2001 (2006) 54- Block copolymers of cyclohexene oxide and ketonic resins via condensation and promoted cationic polymerization. S.Ergun, N.Kızılcan and A.Önen, J.Appl.Polym.Sci., 105, 3, 1012-1017 (2007). 55- Synthesis of Liquid Crystalline- Amorphous Block Copolymers by the Combination of Atom Transfer and Promoted Cationic Polymerization, S.Demirhan, İ.E.Serhatli, A.Önen, J.Apl.Polym.Sci.,106, 1, 568- 575 (2007). 56- Graft Copolymerization of MMA With N-Substituted Maleimide-Liquid Crystalline Copolymer By ATRP, T. Çakir, I.E. Serhatlı, A. Önen, J.Apl.Polym.Sci., 107, 2074-2081 (2008). 57-Synthesis of Triglyceride Based Urethane Macromers and Their Use in Copolymerization A.Köprülülü, A.Önen, İ.E.Serhatlı, S.Güner, Progress in Organic Coatings, 63, 365-371 (2008).