PUBLICATIONS & CONFERENCE PARTICIPATIONS

1. Recent Conference Participations >>

1. Recent Conference Participations

A. Mitsev, R. Androsch, H.-J. Radusch, Ch. Betchev, Study on the Viscoelastic Behavior and Mechanical Properties of Fiber Reinforced Polyamide 6/Polyamide 66 Blends, Polymerwerkstoffe 2006, Halle, Germany, (2006) ISBN 10: 3-86010-856-5, ISBN 13: 978-3-86010-856-7.

D. Mileva, Ch. Betchev, H.-J. Radusch, Phase Behaviour of High Density Polyethylene and Ethylene Octene Copolymer Blends, Polymerwerkstoffe 2006, Halle, Germany, (2006) ISBN 10: 3-86010-856-5, ISBN 13: 978-3-86010-856-7.

D. Mileva, Ch. Betchev, H.-J. Radusch, Crystallization behaviour of polymer blends based on high density polyethylene and ethylene octene copolymers”, COST P12 Structuring of polymers, Mittelwihr, France, (2006).

A. Mitsev, R. Androsch, H.-J. Radusch 2, Ch. Betchev, Fiber reinforced composites based on polyamide 6/polyamide 66 with improved toughness-stiffness balance, “Polymers for a better life” Internationl seminar , Guletchitza, Bulgaria (May, 2006)

Ch. Betchev, D. Mileva, D. N. Bikiaris, V. Vladimirov, “Investigation on thermomechanical properties and structure peculiarities of PP/SiO2 nanocomposites”, Scientific session of UCTM, Sofia, Bulgaria, (2006).

A. Mitsev, D. Tomova, U. Zander, R.. Androsch, H.-J. Radusch, Ch. Betchev, “Structure and properties of impact-modified glass fiber reinforced composites based on polyamide 6/polyamide 66 blend, Technomer 2005, Chemnitz, Germany, (November, 2005), ISBN: 3-00-017458-3.

H. Smilkov, I. Kamenova, E. Kamenska, Ch. Betchev, G. Georgiev, “Synthesis, morphology and structural characterization of polysulfobetaine copolymers as potential materials for medical applications”, PPS 21, Leipzig, Germany, (June, 2005), ISBN: 3-86010-784-4.

H. Smilkov, I. Kamenova, E. Kamenska, Ch. Betchev, G. Georgiev, “Time-dependent mechanical behaviour of hydrogels based on sulfobetaine and N-vinyl pyrolidone copolymers”, 10. Tagung Problemseminar "Deformation und Bruchverhalten von Kunststoffen", Merseburg, Germany, (June, 2005).

H. Smilkov, I. Kamenova, Ch. Betchev, G. Georgiev, “Characterization of polysulfobetaine copolymers”, “Technomer 2005”, Chemnitz, Germany, (November, 2005), ISBN: 3-00-017458-3.

V. Radoykoff, L. Fielder, H.-J. Radusch, Ch. Betchev, "Investigation on the dynamic vulcanisation of polypropylene - ethylene-propylene-terpolymer blends", "60 years Inorganic Chemistry", Sofia, Bulgaria, (November, 2005).

V. Vladimirov, D. Mileva, D. Bikiaris, C. Betchev, “Study on the thermal and mechanical behaviour of SiO2 nanocomposites based on polypropylene”, NATO-ASI, Sozopol, Bulgaria, (June, 2005).

Ch. Betchev, V. Vladimirov, D. Bikiaris, “Phase Behavior of Polypropylene Filled with SiO2 Nanoparticles”, PPS 21, Leipzig, Germany, (June, 2005), ISBN: 3-86010-784-4.

V. Vladimirov, D. Bikiaris, C. Betchev, “Relaxation and Crystallization Behaviour in PP/SiO2 Nanocomposties”, “Technomer 2005”, Chemnitz, Germany, (November, 2005), ISBN: 3-00-017458-3.

D. Mileva, H.-J. Radusch, Ch. Bechev, “Isothermal and nonisothermal crystallization kinetics of blends based on high density polyethylene and poly(ethylene-co-1-octene)", “Technomer 2005”, Chemnitz, Germany, (November, 2005), ISBN: 3-00-017458-3.

D. Popov, Ch. Betchev, "On the Mechanical Properties of Fiber Reinforced Composites Based on Polypropylene", 10. Tagung Problemseminar "Deformation und Bruchverhalten von Kunststoffen", Merseburg, Germany, (June, 2005).

D. Popov, Thomas Luepke, Christoph Thieropff, Peter Bloss, Ch. Betchev, “Mechanical Properties and Viscoelastic Behaviour of Glass Flake Reinforced Polypropylene", “Technomer 2005”, Chemnitz, Germany, (November, 2005), ISBN: 3-00-017458-3.

V. Vladimirov, Ch. Bechev, V. Tzimopoulou and D. Bikiaris, “Phase behaviour and relaxation processes in nanocomposites based on iPP and SiO2“, MEDICTA 2005, Tessalonika, July, 2005 (7th Mediterranean Conference on Calorimetry and Thermal Analysis ).

V. Vladimirov, D. Mileva, D. Bikiaris, C. Betchev, “Study on the thermal and mechanical behaviour of SiO2
Ch. Betchev, “On The Mechanical Properties Of Fiber Reinforced Composites Based On Polypropylene“, 10. Tagung Problemseminar "Deformation und Bruchverhalten von Kunststoffen", Merseburg, Germany, (June, 2005).

V. Velev, Ch. Betchev, “Deformation behaviour of amorphous uniaxially oriented polyester samples caused by simultaneous thermal and mechanical treatments”, 10. Tagung Problemseminar "Deformation und Bruchverhalten von Kunststoffen", Merseburg, Germany, (June, 2005).

D. Mileva, St. Frangov, H.-J. Radusch, Ch. Betchev, ”Deformation behaviour in blends based on high density polyethylene and poly(ethylene-co-1-octene) in relation to degree of crystallinity” "Polymerwerkstoffe 2004", Conference in Halle, Germany (October, 2004).

V. Vladimorov, Ch. Betchev, “Investigation on crystallization and phase transition in blends of high density polyethylene and polyacrylnitril modified with copper”, “Polymerwerkstoffe 2004" conference in Halle, Germany, (2004).

D. Popov, Ch. Betchev, “Thermo-mechanical behaviour of polypropylene reinforced with short inorganic fibers”, “Polymerwerkstoffe 2004" conference in Halle, Germany, (2004).

Ch. Betchev, D. Popov, “On the phase transitions and relaxation processes in polymer composites based on polypropylene”, “Polymerwerkstoffe 2004" conference in Halle, Germany, (2004).

Hr. Smilkov, A. Tzoneva, Ch. Betchev, G. Georgiev, “Thermal behavior and structural peculiarities of polyzwitterionic hydrogels“, Polymer Materials P2004, Halle, Germany, October 2004.

D. Mileva, S. Frangov, H. J. Radusch, Ch. Bechev, “Influence of temperature upon deformation behaviour in blends based on high density polyethylene and poly(ethylene-co-1-octene) “, Polymer Materials P2004, Halle, Germany, October 2004.

D. Mileva, S. Frangov, H. J. Radusch, Ch. Bechev, “Influence of temperature upon deformation behaviour in blends based on high density polyethylene and poly(ethylene-co-1-octene), XVIII-th Congress on the Chemists and Technologists of Macedonia, October 2004

V. Vladimirov, Ch. Bechev, “Crystallization kinetics of bends based on high denstity polyethylene and cooper modifief polyacrilnitril, XVIII-th Congress on the Chemists and Technologists of Macedonia, October 2004.

Hr. Smilkov, A. Tzoneva, Ch. Betchev, G. Georgiev, Thermal and thermo-mechanical behavior of sulfobetaine hydrogels, XVIII-th Congress on the Chemists and Technologists of Macedonia, October 2004.

I. Kamenova, H. Smilkov, E. Kamenska, A. Tzoneva, Ch. Betchev, G. Georgiev, “Investigation of the selforganization of homo- and copolymers of polyzwitterionic hydrogels with DMTA and DSC”, Fifth national conference of Chemistry, Sofia, September 2004.

Hr. Smilkov, I. Kamenova, A. Tzoneva, E. Kamenska, Ch. Betchev, G. Georgiev, “Synthesis and characterization of polysulfobetaine copolymers as potential materials for medical applications“, Scientific Conference „115 years of University Inorganic Chemistry”, Sofia, November 2004.

D. Popov, Ch. Betchev, “Reinforcement of Pokypropylene with short glass“, Scientific conference of Chemistry for Students and Ph.D. Students, Sofia, April 2004.

Hr. Smilkov, A. Tzoneva, Ch. Betchev, G. Georgiev, “DSC and DMTA of polyzwitterionic hydrogels“, Scientific conference of Chemistry for Students and Ph.D. Students, Sofia, April 2004

St. Frangov, I. Kolezov, H.-J. Radusch, D. Mileva, Ch. Betchev, “Deformation behaviour of blends based on high density polyethylene and ethylene octene copolymers”, „International Conference on Deformation and Fracture of Polymers”, Merseburg, Germany (June, 2003).

Ch. Betchev, V. Velev, “Thermo-mechanical behavior of amorphous oriented Poly (ethylene therephthalate)”, „International Conference on Deformation and Fracture of Polymers”, Merseburg, Germany (June, 2003).

Ch. Betchev, D. Popov, M. Botev, Proc. "Polymer Materials 2003", Bratislava, Slovakia, ISBN 80-227-1959-5, (2003).

D. Popov, Ch. Betchev, Proc. "Polymer Materials 2003", Bratislava, Slovakia, ISBN 80-227-1959-5, (2003).

D. Popov, Ch. Betchev, "Technomer 2003" conference in Chemnitz, Germany, ISBN 3-00-012510-5, (2003).

D. Popov, Ch. Betchev, “Method for Determining the Orientation of Short Fibers in Polymer Matrix”, Jubilee Scientific Conference Sofia, Bulgaria, June 4-5, 2003.

V. Velev, T. Dimov, I. Iliev, Ch. Betchev, Crystallization of Polyester Fibers with Different Orientation, Jubilee Ssientific Conference Sofia, Bulgaria, June 4-5, 2003.

V. Velev, T. Dimov, I. Iliev, Ch.Betchev, Study on Crystallization of Polyester Fibers with Different Orientation, Technomer 2003, Chemnitz, Germany, November 13-15, 2003.

M. Koleva, Ch. Betchev, Influence of Polymer Modifiers on the Rheological Behavior of Unsaturated Polyester Resins, Technomer 2003, Chemnitz, Germany, November 13-15, 2003.