International Presentations

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  1. Hydrolytic Stability of Impol Resins.
    C.D. Papaspyrides, Imperial Chemical Industries (Petrochemicals Division Headquarters - Research and Development Department), Wilton, Middlesborough, UK, August 4, 1976 (invited).
  2. The Influence of Fiber Pretreatment on Mechanical Properties of Nylon 6,6-Composites. I. Coating Processes of Asbestos Fibers with a Thin Film of Nylon 6,6.
    C.D. Papaspyrides, A.G. Andreopoulos, IUPAC Intl. Symp. on Interrelations between  Processing, Structure and Properties of Polymeric Materials, Athens, August 29-September 2, 1982, Proc., p. 53, Pap. TPIVS2.4.
  3. The Influence of Swelling on Shrinkage of Oriented Polymer Films.
    D.C. Diakoulaki, C.D. Papaspyrides, IUPAC Intl. Symp. on Interrelations between Processing, Structure and Properties of Polymeric Materials, Athens, August 29-September 2, 1982, Proc., p. 109, Pap. PSII.10.
  4. The Influence of Acid Catalysts on the Solid State Polyamidation of Dodecamethylenediammonium Adipate.
    C.D. Papaspyrides, E.M. Kampouris, 29th IUPAC Intl. Symp. on Macromolecules (Macro' 83), Bucharest, September 5-9, 1983, Proc., Section I, Polymer Chemistry, pp. 3-10.
  5. The Influence of Metal Catalysts on Solid State Polyamidation of Nylon Salts.
    C.D. Papaspyrides, E.M. Kampouris, 29th IUPAC Intl. Symp. on Macromolecules (Macro' 83), Bucharest, September 5-9, 1983, Proc., Section I, Polymer Chemistry, pp. 11-19.
  6. Transition Properties of Pretreated Asbestos-filled Epoxy Polymers.
    C.D. Papaspyrides, T. Duvis, G.C. Papanicolaou, Intl. Symp. on Engineering Applications of New Composites (Comp' 86), Patra, August 25-29, 1986, Proc., p. 55, Pap. S5.9.
  7. Dielectric Properties of Metal-filled Epoxy Resins.
    G.M. Tsangaris, C.D. Papaspyrides, Intl. Symp. on Engineering Applications of  New Composites (Comp' 86), Patra, August 25-29, 1986, Proc., p. 50, Pap. S5.2.
  8. The Influence of Fiber Pretreatment on the Mechanical Properties of Epoxy-Asbestos Composites.
    G.C. Papanicolaou, C.D. Papaspyrides, Intl. Symp. on Engineering Applications of New  Composites (Comp' 86), Patra, August 25-29, 1986, Proc., p. 89, Pap. S8.12.
  9. Solid State Structure in Aromatic Polyamides: Processing Aspects.
    G.C. Rutledge, C.D. Papaspyrides, U.W. Suter, Massachusetts Institute of Technology, Department of Chemical Engineering, Polymer Seminar, Cambridge, Mass., April 6, 1988.
  10. Structural Analysis of Glassy, Atactic PVC from Atomistic Models.
    P.J. Ludovice, C.D. Papaspyrides, U.W. Suter, Gordon Research Conf. on Polymer Physics, Proctor Academy, N.H., July 18-22, 1988, Proc., Pap. 15, 7 pp.
  11. The Solid State Route for Controlling the Polycondensation Reaction of Unsaturated Nylon Salts.
    C.D. Papaspyrides, IUPAC Intl. Symp. on Molecular Design of Functional Polymers, Seoul, June 26-28, 1989, Proc., pp. 85-86, Pap. 8-1-12 (invited).
  12. A Study on the Interphase of Hybrid Composite Materials. The Case of Asbestos.
    C.D. Papaspyrides, T. Duvis, Symp. on New Materials and Advanced Technology. Production and Applications in Greece (with International Participation), Athens, December 4-6, 1989, Proc., pp. 1-15.
  13. The Influence of Metal Fillers on the Dielectric Properties of Epoxy Based Composite Materials.
    G.M. Tsangaris, C.D. Papaspyrides, E. Mavrikakis, Symp. on New Materials and Advanced Technology. Production and Applications in Greece (with International Participation), Athens, December 4-6, 1989, Proc., pp. 1-15.
  14. History Effects on Plasticizer Migration in Plasticized Poly(Vinyl Chloride) Sheets.
    C.D. Papaspyrides, G. Petychakis, 33rd IUPAC Intl. Symp. on Macromolecules (MACRO 90), Montreal, July 8-13, 1990, Proc., Sec. 1.1.9.
  15. Interfacial Coating of Carbon Fibers versus Mechanical Properties of Carbon Reinforced Epoxy Composites.
    T. Skourlis, T. Duvis, C.D. Papaspyrides, Intl. Symp. on Advanced Composites in Emerging Technologies (Comp' 90), Patra, August 20-24, 1990, Proc., Pap. 2.8.
  16. Problems in Solid State Polyamidation Processes.
    C.D. Papaspyrides, E.I. du Pont de Nemours & Company (Inc.), Experimental Station, Polymer Products Department, Wilmington, Delaware, July 17, 1990 (invited).
  17. Plasticizer Migration versus Desorption History.
    C.D. Papaspyrides, G. Petychakis, 2nd Greece-Cyprus Conf. on Chemistry and Environment, Athens, September 28-October 2, 1990, Proc., Vol. A, pp. 191-195.
  18. Solid State Polyamidation Processes.
    C.D. Papaspyrides, IUPAC Intl. Symp. on Polymer Materials (Polymer 91), Melbourne, February 10-15, 1991, Proc., pp. 228-229.
  19. Modification of the Fibre-Matrix Interphase in Ionomer Based Composites.
    C.D. Papaspyrides, J.Poulakis, IUPAC Intl. Symp. on Polymer Materials (Polymer 91),  Melbourne, February 10-15, 1991, Proc., pp. 480-481.
  20. Plasticizer Migration Phenomena: The Effect of Polymer History.
    C.D. Papaspyrides, G. Petychakis, Conf. on Plastics and Environment, Athens, May 2-3, 1991, Proc. pp. 1-3.
  21. Advanced Composite Materials: Surface Modification of Reinforcing Fibers and Evaluation of End-Properties.
    C.D. Papaspyrides, The Hebrew University of Jerusalem, Casali Institute of Applied Chemistry, Graduate School of Applied Science & Technology, Jerusalem, June 3, 1991 (invited).
  22. Nylon Polymerization Processes. I.
    C.D. Papaspyrides, E.I. du Pont de Nemours & Company (Inc.), Experimental Station, Polymer Products Department, Wilmington, Delaware, September 19, 1991 (invited).
  23. Nylon Polymerization Processes. II.
    C.D. Papaspyrides, E.I. du Pont de Nemours & Company (Inc.), May Plant-Fibers, Camden, S. Carolina, October 14, 1991 (invited).
  24. Nylon Polymerization Processes. III.
    C.D. Papaspyrides, E.I. du Pont de Nemours & Company (Inc.), NPTC Meeting, Chattanooga, November 6-8, 1991.
  25. Nylon Polymerization Processes. IV.
    C.D. Papaspyrides, C.A. Jackson, E.I. du Pont de Nemours & Company (Inc.), NPTC Meeting, Chattanooga, November 6-8, 1991.
  26. Nylon Polymerization Processes. V.
    C.A. Jackson, C.D. Papaspyrides, E.I. du Pont de Nemours & Company (Inc.), NPTC Meeting, Chattanooga, November 6-8, 1991.
  27. Polyolefins and Acrylic Polymers: Recovery from Materials Waste.
    J. Poulakis, S. Gouli, P. Varelides, C.D. Papaspyrides, 2nd Hellenic Symposium on Polymers (with International Participation), Athens, December 4-7, 1991, Proc., pp. 83-95.
  28. Mechanical Properties of Carbon-Epoxy Composite Materials.
    T. Duvis, T. Skourlis, C.D. Papaspyrides, 2nd Hellenic Symposium on Polymers (with International Participation), Athens, December 4-7, 1991, Proc., pp. 110-123.
  29. Coating of Carbon Fibers with Nylon 6,6.
    T. Duvis, T. Skourlis, J. Poulakis, C.D. Papaspyrides, 2nd Hellenic Symposium on Polymers (with International Participation), Athens, December 4-7, 1991, Proc., pp. 231-244.
  30. Nylon Polymerization Processes. VI.
    C.D. Papaspyrides, Conoco Inc., Process Development Center, Conoco Research and Engineering, Ponca City, Oklahoma, January 17, 1992 (invited).
  31. Nylon Polymerization Processes. VII.
    C.D. Papaspyrides, E.I. du Pont de Nemours & Company (Inc.), Experimental Station, Polymer Products Department, NETT Meeting, Wilmington, Delaware, January 30, 1992.
  32. Nylon Polymerization Processes. VIII.
    C.D. Papaspyrides, R.G. Burgess, E.I. du Pont de Nemours & Company (Inc.), Experimental Station, Polymer Products Department, NETT Meeting, Wilmington, Delaware, January 30, 1992.
  33. Nylon Polymerization Processes. IX.
    D.A. Green, D.C. Robertson and C.D. Papaspyrides, E.I. du Pont de Nemours & Company (Inc.), Experimental Station, Polymer Products Department, NETT Meeting, Wilmington, Delaware, January 30, 1992.
  34. Nylon Polymerization Processes. X.
    D.G. Tynan, R. Abed, C.D. Papaspyrides, E.I. du Pont de Nemours & Company (Inc.), Experimental Station, Polymer Products Department, NETT Meeting, Wilmington, Delaware, January 30, 1992.
  35. Nylon Polymerization Processes. XI.
    R. Abed, C.D. Papaspyrides, D.G. Tynan, E.I. du Pont de Nemours & Company (Inc.), Experimental Station, Polymer Products Department, NETT Meeting, Wilmington, Delaware, January 30, 1992
  36. Nylon Polymerization Processes. XII.
    Brearley, J. Orth, C.D. Papaspyrides, E.I. du Pont de Nemours & Company (Inc.), Experimental Station, Polymer Products Department, NETT Meeting, Wilmington, Delaware, January 30, 1992
  37. Nylon Polymerization Processes. XIII.
    C.D. Papaspyrides, E.I. du Pont de Nemours & Company (Inc.), Seaford Plant, Fibers Department, Seaford, Delaware, February 19, 1992 (invited).
  38. Nylon Polymerization Processes. XIV.
    C.D. Papaspyrides, E.I. du Pont de Nemours & Company (Inc.), Seaford Plant, Fibers Department, Seaford, Delaware, August 5, 1992 (invited).
  39. The Role of a Polyamide Interphase on Carbon Fibres Reinforcing an Epoxy Matrix.
    T. Skourlis, T. Duvis, C.D. Papaspyrides, Intl. Conf. on Microphenomena in Advanced Composites, Herzlia, Israel, June 28-July 1, 1992, Proc., Pap. III2
  40. Polyamide Coating on Carbon Fibres and Potential Application on Carbon-Kevlar-Epoxy Hybrid Composites.
    T. Skourlis, T. Duvis, C.D. Papaspyrides, Intl. Conf. on Microphenomena in Advanced Composites, Herzlia, Israel, June 28-July 1, 1992, Proc., Pap. P7.
  41. A Model Recycling Process for Poly(Methyl Methacryalate) by means of Solvent Systems.
    S. Gouli, J.G. Poulakis, C.D. Papaspyrides, 34th IUPAC Intl. Symp. on Macromolecules  (MACRO 92), Prague, July 13-18, 1992, Proc., Pap. 8P-54.
  42. A Model Recycling Process for Low Density Polyethylene by means of Solvent Systems.
    P.C. Varelides, J.G. Poulakis, C.D. Papaspyrides, 34th IUPAC Intl. Symp. on Macromolecules (MACRO 92), Prague, July 13-18, 1992, Proc., Pap. 8P-55.
  43. Nylon Polymerization Processes. XV.
    J.V. Bletsos, C.D. Papaspyrides, E.I. du Pont de Nemours & Company (Inc.), Experimental Station, NED-5 Meeting, October 15, 1992.
  44. Recycling of Thermoplastics by Selective Dissolution and Reprecipitation.
    C.D. Papaspyrides, J. Poulakis, 1st Intl. Exhibition and Conf. of Environmental Technology for the Mediterranean Region (HELECO' 93), Athens, April 1-4, 1993, Proc., pp. 203-212.
  45. Nylon Polymerization Processes. XVI.
    J.V. Bletsos, C.D. Papaspyrides, E.I. du Pont de Nemours & Company (Inc.), Experimental Station, NEST Meeting, Wilmington, Delaware, April 5, 1993.
  46. Solid-State Polyamidation Process of Aliphatic Diamine - Aliphatic Diacid Salts in the Presence of Acid Catalysts: The Case of Hexamethylenediammonium Adipate.
    P.V. Katsikopoulos, C.D. Papaspyrides, COMETT Seminar on the Characterization of Polymers and Composite Materials, Athens, May 3-7, 1993, 16 pp.
  47. Nylon Polymerization Processes. XVII.
    J.V. Bletsos, C.D. Papaspyrides, E.I. du Pont de Nemours & Company (Inc.), Experimental Station, Corporate Center for Analytical Sciences, Research Review, Wilmington, Delaware, June 17, 1993.
  48. Nylon Polymerization Processes. XVIII.
    J.V. Bletsos, C.D. Papaspyrides, D.G. Tynan, E.I. du Pont de Nemours & Company (Inc.), Experimental Station, NEST Meeting, Wilmington, Delaware, November 8-9, 1993.
  49. Migration of Plasticizers to Solid Environments: The Case of Plasticized PVC / Di-Octyl-Phthalate / Rigid PVC.
    C.D. Papaspyrides and V. Papakonstantinou, Intl. Symp. on Safety and Quality of Food and Drugs Plastic Packaging, Paris, November 22-23, 1993, 4 pp. (invited).
  50. Interfacial Polycondensation Coating on Carbon Fibers.
    P. Varelidis, C.D. Papaspyrides, R. McCullough, 1994 CCM Composites Workshop, University of Delaware, Newark, Delaware, May 10-12, 1994.
  51. Nylon Polymerization Processes. XIX.
    J.V. Bletsos, C.D. Papaspyrides, E.I. du Pont de Nemours & Company (Inc.), Experimental Station, Nylon Polymer Quality Workshop, Wilmington, Delaware, May 25, 1994.
  52. Nylon Polymerization Processes. XX.
    J.V. Bletsos, C.D. Papaspyrides, E.I. du Pont de Nemours & Company (Inc.), Experimental Station, Status Review, Wilmington, Delaware, May 26, 1994.
  53. Migration Problems in Pharmaceutical Packaging.
    G. Giagoudakis, E. Gikas, C. Kartsona, J. Portolos, E. Tingas, C.D. Papaspyrides, First International Meeting on Scientific Basis of Modern Pharmacy, Athens, June 8-11, 1994, Proc., p. 24.
  54. Nylon Polymerization Processes. XXI.
    J.V. Bletsos, C.D. Papaspyrides, D.N. Marks, J.C. Coburn, E.I. du Pont de Nemours & Company (Inc.), Experimental Station, Corporate Center for Analytical Sciences and Nylon SBU, NEST Meeting, Wilmington, Delaware, October 17, 1994.
  55. Nylon Polymerization Processes. XXII.
    J.V. Bletsos, C.D. Papaspyrides, E.I. du Pont de Nemours & Company (Inc.), Experimental Station, NGN Meeting, Wilmington, Delaware, January 11, 1995.
  56. Recycling of Thermoplastics by Selective Dissolution and Reprecipitation.
    C.D. Papaspyrides, J. Poulakis, Recycle΄95, 8th Davos Global Forum and Exposition on Environmental Technologies, Davos, Switzerland, May 15-19, 1995, Proc., p. 7-3.1 (invited).
  57. Nylon Polymerization Processes. XXIII.
    C.D. Papaspyrides, E.I. du Pont de Nemours & Company (Inc.), Experimental Station, Wilmington, Delaware, June 29, 1995 (invited).
  58. Nylon Polymerization Processes. XXIV.
    C.D. Papaspyrides, E.I. du Pont de Nemours & Company (Inc.), Parkersburg, West Virginia, July 6, 1995 (invited).
  59. Recycling of Thermoplastic Composites.
    C.D. Papaspyrides, University of Delaware, Center for Composite Materials, Newark, Delaware, July 10, 1995 (invited).
  60. Recycling Project - Greece.
    C.D. Papaspyrides, Ciba Additive GmbH, Marienberg, Germany, September 20, 1995 (invited).
  61. Progress & Difficulties in Plastics Recycling Through Dissolution and Reprecipitation.
    C.D. Papaspyrides, University of London, Queen Mary & Westfield College, Department of Materials, London, UK, November 23, 1995 (invited).
  62. Advanced Composite Materials: Recycling Aspects.
    C.D. Papaspyrides, The Hebrew University of Jerusalem, Casali Institute of Applied Chemistry, Graduate School of Applied Science & Technology, Jerusalem, February 19, 1996 (invited).
  63. Environmental Considerations of Automotive and Aircraft Composites and End-of-Life Considerations.
    C.D. Papaspyrides, J. Poulakis, Globec΄96/Recycle΄96, 9th Davos Global Environmental Technology Congress, Davos, Switzerland, March 18-22, 1996, Proc., p. 18-6.1. (invited).
  64. Plasticizer Migration Phenomena from PVC Sheets into Liquid Food Simulants.
    C.D. Papaspyrides, S. Tingas, International Symposium on Food Packaging, ILSI, Budapest, Hungary, September 11-13, 1996, Proc., p. 80.
  65. An Alternative Route for the Production of Polyamides.
    C.D. Papaspyrides, 6th European Polymer Federation Symposium on Polymeric Materials, Crete, Greece, October 7-11, 1996.
  66. Progress and Difficulties in Plastics Recycling Through Dissolution and Reprecipitation.
    C.D. Papaspyrides, The Polymer Processing Society, Europe/Africa Region Meeting, Gothenburg, Sweden, August 19-21, 1997.
  67. Nylon Polymerization Processes. XXV.
    C.D. Papaspyrides, E.I. du Pont de Nemours & Company (Inc.), Experimental Station, Wilmington, Delaware, July 24, 1997 (invited).
  68. The Effect of Polyamide Coatings on the Mechanical Properties of Unidirectional Carbon/Epoxy Composites.
    C.D. Papaspyrides, P.C. Varelidis and R.L. Mc Cullough, Second International Conference on Composites Science and Technology, Durban South Africa, June 9-11, 1998 (invited).
  69. Nylon Polymerization Processes. XXVI.
    C.D. Papaspyrides, E.I. du Pont de Nemours & Company (Inc.), Experimental Station, Wilmington, Delaware, August 1998 (invited).
  70. Mechanical Recycling of Post-Used HDPE Crates using the Remelting-Restabilization Technique.
    C.D. Papaspyrides, C.N. Kartalis, R. Pfaendner, H. Herbst, K. Hoffmann, The Polymer Processing Society, North America Meeting, Toronto, Ontario, Canada, August 17-19, 1998.
  71. HDPE Bottle Crates – Closed Loop Recycling Example from Greece.
    C.D. Papaspyrides, C.N. Kartalis, R. Pfaendner, K. Hoffmann, H. Herbst, R’99 (Recovery, Recycling, Re-integration), 4th World Congress, Geneva, Switzerland, February 2-5, 1999.
  72. Nylon Polymerization Processes. XXVII.
    C.D. Papaspyrides, E.I. du Pont de Nemours & Company (Inc.), Experimental Station, Wilmington, Delaware, July 20, 1999 (invited).
  73. Closed Loop Recycling of Post-Used HDPE Bottle Crates in Southern Europe.
    C.D. Papaspyrides, C.N. Kartalis, R.Pfaendner, K.Hoffmann, H.Herbst, The Polymer Processing Society (PPS-99). Innovation In Polymer Processing, Bangkok, December 1-3, 1999.
  74. Mechanical Recycling of PP Garden Chairs Via Restablization.
    C.D. Papaspyrides, C.N. Kartalis, R.Pfaendner, MoDeSt 2000, 1st International Conference on Polymer Modification, Degradation and Stabilization, Palermo, Italy, September 2-9, 2000.
  75. Procedures For Polymer Impregnation with Contaminants.
    C. Tsenoglou, C. Kartalis, S. Pavlidou, A. Krestou, C.D. Papaspyrides, ILSI Europe International Life Sciences Institute, Vienna, November 8-12, 2000.
  76. Strange Phenomena Accompanying the Solid State Polyamidation of Nylon Salts.
    C.D. Papaspyrides, Polyamide 2001, MAACK BUSINESS SERVICES, June 11-13, 2001 (invited).
  77. Plastics Recycling: Alternative Routes to Enhance the Economical Value of the Recycled End-Products. C.D.Papaspyrides, C.N.Kartalis, R.Pfaendner, K.Hoffmann, H.Herbst, PPS 2001 Regional Meeting, Antalya, Turkey, October 22-24, 2001.
  78. Procedures for Incorporation of Model Contaminants in Polymer Hosts.
    C.D. Papaspyrides, Y. Voultzatis, C. Tsenoglou, A. Krestou, S. Pavlidou, A. Feigenbaum, P. Dole, D.T. Hankemeier, S. Aucejo, P. Paseiro-Losada, C. de la Cruz Garcia, S. Pastorelli, EU Project FAIR-CT98-4318 Workshop, Ispra, Italy, April 11, 2002.
  79. The Closed Loop Approach in Plastics Recycling.
    C. Papaspyrides, MoDeSt 2002, 2nd International Conference on Polymer Modification, Degradation and Stabilization, Budapest, Hungary, June 30-July 4, 2002.
  80. Mechanical Recycling of Restabilized PP Chairs: Performance in Artificial Weathering Conditions.
    C.N. Kartalis, C.D. Papaspyrides, S.N. Vouyiouka, R. Pfaendner, MoDeSt 2002, 2nd International Conference on Polymer Modification, Degradation and Stabilization, Budapest, Hungary, June 30-July 4, 2002.
  81. Plastics Recycling: Reviewing Technological Solutions for the Closed – Loop Approach.
    C.D. Papaspyrides, Polymeric Materials 2002, Halle/Saale, Germany, September 25-27, 2002 (invited).
  82. Plastics Recycling: Reviewing Technological Solutions for the Closed – Loop Approach.
    C.D. Papaspyrides, Instituto de Quimica, UFRGS, Porto Alegre, Brazil, October 7, 2002 (invited).
  83. Anhydrous and Low Temperature Processes for the Production of Nylon Salts and Polymers.
    C.D. Papaspyrides, S.N. Vouyiouka, PA 2003, The Polyamide Chain - 4th Annual World Congress, Zurich, Switzerland, June 2-4, 2003 (invited).
  84. DuPont-NTUA Interaction: An Overview on Achievements and Challenges in SSP Processes.
    C.D. Papaspyrides, S.N. Vouyiouka, DuPont Textiles and Interiors (DTI), Experimental Station, Wilmington, Delaware, June 23-27, 2003 (invited).
  85. Experimental and Theoretical Estimation of Solubility and Diffusion Coefficients of Organic Solvents in HDPE.
    Y. Voultzatis, C.D. Papaspyrides, PPS 2003 Regional Meeting, Athens, Greece, September 14-17, 2003.
  86. Water Absorption in Composite Materials of Varying Interfacial Strength.
    S. Pavlidou, C.D. Papaspyrides, PPS 2003 Regional Meeting, Athens, Greece, September 14-17, 2003.
  87. Alternative Polyamidation Cycle Starting from Dry Polyamide Salt.
    S.N. Vouyiouka, C.D. Papaspyrides, PPS 2003 Regional Meeting, Athens, Greece, September 14-17, 2003.
  88. Avoiding Traps in Solid State Polyamidation Processes.
    C.D. Papaspyrides, Experimental and Globalized Learning Processes Workshop, Seattle, Washington, February 4-11, 2004 (invited).
  89. Polyamides Solid State Polymerization: Evaluation of Pertinent Kinetic Models.
    S.N. Vouyiouka, C.D. Papaspyrides, J. Weber, D. Marks. Polyamide 2004, The Polyamide Chain, 5th World Congress, Dusseldorf, Germany, June 14-16, 2004 (invited)
  90. Progress in Solid State Polymerization Processes Starting from Nylon Salts.
    C.D. Papaspyrides, S.N. Vouyiouka. MoDeSt 2004, 3rd International Conference on Polymer Modification, Degradation and Stabilization, Lyon, France, 31 August-2 September, 2004.
  91. Correlation Between Water Absorption and Interfacial Adhesion in Composite Materials.
    S. Pavlidou, C.D. Papaspyrides, C.T. Tsenoglou, P. Kiliaris. MoDeSt 2004, 3rd International Conference on Polymer Modification, Degradation and Stabilization, Lyon, France, 31 August-2 September, 2004.
  92. Experimental and Theoretical Estimation of Solubility and Diffusion Coefficients of Organic Solvents in High Density Polythylene.
    Y.Voultzatis, C.D. Papaspyrides. ILSI Europe 3rd International Symposium on Food Packaging: Ensuring the Safety, Quality and Traceability of Foods. Barcelona, Spain, 17-19 November 2004.
  93. Functional Barriers: Properties and Evaluation
    A. Feigenbaum, P. Dole, O. Vitrac, T. Hankemeier, C.D. Papaspyrides, P. Paseiro, D. Dainelli,   F. Demarez. ILSI Europe 3rd International Symposium on Food Packaging: Ensuring the Safety, Quality and Traceability of Foods. Barcelona, Spain, 17-19 November 2004.
  94. Solid State Polymerization of Hexamethylenediammonium Adipate: The Effect of Diamine/Water Components on the Reaction Mechanism.
    Papaspyrides C, Vouyiouka S, Ι. Bletsos, Polyamide 2005, The Polyamide Chain, 6th World Congress, Düsseldorf, Germany, June 7 – 9, 2005.
  95. CIBA-NTUA Interaction: Polyamide Project.
    C.D. Papaspyrides, S.N. Vouyiouka, Ciba Specialty Chemicals, Lampertheim, Germany, June 10, 2005 (invited).
  96. CIBA-NTUA Interaction: PET Project.
    C.D. Papaspyrides, P.K. Kiliaris, Ciba Specialty Chemicals, Lampertheim, Germany, June 10, 2005 (invited).
  97. Efficiency of Reactive Extrusion in PET Recycling.
    P. Kiliaris, C. Papaspyrides, R. Pfaendner, PPS-21, 21st Annual Meeting of Polymer Processing Society, Leipzig, Germany, June 19-23, 2005.
  98. Decoding and Exploiting Solid State Polymerization of Nylon Salts.
    C. Papaspyrides, S. Vouyiouka, PPS-21, 21st Annual Meeting of Polymer Processing Society, Leipzig, Germany, June 19-23, 2005 (invited-plenary lecture).
  99. Migration of Surrogates in High Density Polyethylene and Polyropylene Functional Barrier Films.
    Y. Voultzatis, C.D. Papaspyrides, 8th International Symposium on Polymers for Advanced Technologies, Budapest, Hungary, September 13-16, 2005.
  100. The Role of Solid State Polymerization in the Polyamide Industry.
    C. D. Papaspyrides, S. Vouyiouka, MoDeSt 2006, 4th International Conference on Polymer Modification, Degradation and Stabilization, San Sebastian, Spain, September 10-14, 2006 (invited-keynote lecture).
  101. Testing the Efficiency of High Density Polyethylene and Polypropylene Functional Barrier Films.
    Y. Voultzatis, C.D. Papaspyrides, MoDeSt 2006, 4th International Conference on Polymer Modification, Degradation and Stabilization, San Sebastian, Spain, September 10-14, 2006.
  102. Chain Extension of PET by Reactive Extrusion.
    P. Kiliaris, C.D. Papaspyrides, MoDeSt 2006, 4th International Conference on Polymer Modification, Degradation and Stabilization, San Sebastian, Spain, September 10-14, 2006
  103. Research Activity in LPT on Solid State Polyamidation Processes.
    C.D. Papaspyrides, S.N. Vouyiouka, DuPont de Nemours International S.A., European Technical Centre, Geneva, Switzerland, March 5, 2007 (invited).
  104. CIBA-NTUA Interaction: Flame Retardants-PA6.
    C.D. Papaspyrides, P.K. Kiliaris, Ciba Specialty Chemicals Ltd, Lampertheim, Germany, March 9, 2007 (invited).
  105. Textiles Potential and Challenges towards the Development of Advanced Materials.
    C.D.Papaspyrides, S. Pavlidou, S. Vouyiouka, The International Conference on Structural Analysis of Advanced Materials, ICSAM-2007, Patras, Greece, September 2-6, 2007.
  106. Branched-Linear Polymer Blend Production by Reactive Extrusion in the Presence of Chain Extender: Chemorheological Analysis.
    P. Kiliaris, C. Papaspyrides, C. Tsenoglou, 9th European Symposium on Polymer Blends, Palermo, Italy, September, 9-12, 2007.
  107. Preparation of Novel Polyamide Salts.
    A.C. Boussia, S.N. Vouyiouka, 9th European Symposium on Polymer Blends, Palermo, Italy, September, 9-12, 2007.
  108. CIBA-NTUA Interaction: Flame Retardants-PA6.
    C.D. Papaspyrides, P.K. Kiliaris, Ciba Specialty Chemicals Ltd, Lampertheim, Germany, October 19, 2007 (invited).
  109. INRA-NTUA Interaction: Diffusion Studies in Polyamides through Fluorescent Recovery After Photobleaching - Interellation with the glass transition.
    C.D.Papaspyrides, N.B. Hatzigrigoriou, INRA UMR FARE, Reims, France, October 22, 2007 (invited).
  110. An Overview on Polymer-Layered Silicate Nanocomposites.
    C.D. Papaspyrides, S. Pavlidou, 11th Israeli Symposium on Composite Materials and Structures, Haifa, Israel, November 7, 2007 (invited).
  111. Synthesis and Properties of Flame Retarded PA6/clay Nanocomposites.
    P. Kiliaris, C.D. Papaspyrides, P. Pfaendner, PPS-24, 24st Annual Meeting of Polymer Processing Society, Salerno, Italy, June 15-19, 2008.
  112. Organoclay-Monomer Reactivity Towards the Development of In Situ Intercalative Polyamidation.
    A.C. Boussia, C.D. Papaspyrides, PPS-24, 24st Annual Meeting of Polymer Processing  Society, Salerno, Italy, June 15-19, 2008.
  113. CIBA-NTUA Interaction: SSP Project.
    C.D. Papaspyrides, S.N. Vouyiouka, A. Boussia, Ciba Specialty Chemicals, Lampertheim, Germany, June 10, 2008 (invited).
  114. CIBA-NTUA Interaction: FR-PA6 Project.
    C.D. Papaspyrides, P. Kiliaris, Ciba Specialty Chemicals, Lampertheim, Germany, June 10, 2008 (invited).
  115. Polymer Modification and Additives during Catalyzed Solid State Polyamidation.
    S. Vouyiouka, C.D. Papaspyrides, R. Pfaendner, MoDeSt 2008, 5th International Conference on Polymer Modification, Degradation and Stabilization, Liège, Belgium, September 7-11, 2008 (invited).
  116. Post-polymerization in the Solid State of Modified Nylon 66 Prepolymers.
    S. Vouyiouka, C.D. Papaspyrides, Tecnon Orbichem-Polyamide & Intermediates Conference, Düsseldorf, Germany, October 20-21, 2008 (invited).
  117. Safeprotex: Short Overview.
    C.D. Papaspyrides, 4th Annual Public Conference: From EU Research to Industrial Innovation, Brussels, Belgium, April 1-2, 2009 (invited).
  118. Monitoring the Changes in Critical Properties of Clay-Reinforced PA6 During Artificial Aging.
    P. Kiliaris, C.D. Papaspyrides, R.Pfaendner, 5th International Conference on Nanostructured Polymers and Nanocomposites, Paris, France, April 15-17, 2009.
  119. CIBA-NTUA Interaction: FR-PA6 Project.
    C.D. Papaspyrides, P. Kiliaris, Ciba Specialty Chemicals, Lampertheim, Germany, May 10, 2009 (invited).
  120. Functional and Advanced Textile Structures.
    S. Vouyiouka, C.D. Papaspyrides, NaPolyNet, Athens, Greece, May 13-15, 2009 (invited).
  121. Enhancing the Cost-Effectiveness of Recycled Polymers.
    C.D. Papaspyrides, Polymerfest, Palermo, Italy, August 30-September 2, 2009 (invited).
  122. In Situ Intercalative Polyamidation of PA n,6 Nanocomposites.
    A.C. Boussia, S.N. Vouyiouka, C.D. Papaspyrides, 8th International Conference on Advanced Polymers via Macromolecular Engineering, Dresden, Germany, October 4-7, 2009.
  123. Pivotal Research Issues in Polyamide Science and Technology.
    C.D. Papaspyrides, S. Vouyiouka, Polyamide & Intermediates Conference, Tecnon OrbiChem, Düsseldorf, Germany, October 14-15, 2009 (invited).
  124. Technical Aspects of Using Nanocomposites in Food Packaging.
    C.D. Papaspyrides, N.B. Hatzigrigoriou. Plastics and Paper in Contact with Foodstuff, 26th Annual PIRA Conference, Dublin, December 8-11, 2009 (invited).
  125. The Effect of Penetrant Size and Hydrogen Bonding in the Diffusion Process through Hydrated Polyamides.
    N.B. Hatzigrigoriou, C.D. Papaspyrides, C. Joly, P. Dole. First International Meeting on Material / Bioproduct Interactions, MATBIM 2010, Paris, March 4-5, 2010.
  126. Solid State Polymerization in the Polyamide Industry.
    C.D. Papaspyrides and S.N. Vouyiouka, Program in Polymer Science and Technology (PPST), Massachusetts Institute of Technology (MIT), Cambridge, 7th April 2010.
  127. Quality of the Carrier Gas and Solid State Polymerization.
    S.N. Vouyiouka, C.D. Papaspyrides, V. Filgueiras, J.C. Pinto, E.L. Lima, 2010 Polyester, Polyamide & Intermediates Conference, Tecnon Orbichem, Frankfurt, Germany, 9-10 June 2010 (invited).
  128. Nanotechnology and Food Contact Materials.
    C.D. Papaspyrides, N.B. Hatzigrigoriou. Times of Polymers and Composites, Ischia, Italy, 20-23 June 2010 (plenary lecture-invited).
  129. Compositional Effects on Polyamidation Processes.
    A.C. Boussia, S.N. Vouyiouka, C.D. Papaspyrides. MoDeSt 2010, 6th International Conference on Modification, Degradation and Stabilization of Polymers, Athens, Greece, 5-9 September 2010.
  130. An Industrial Approach on Solid State Polymerization of Poly(ethylene terephthalate): The Effects of the Carrier Gas.
    S.N. Vouyiouka, C.D. Papaspyrides, V. Filgueiras, J.C. Pinto, E.L. Lima. MoDeSt 2010, 6th International Conference on Modification, Degradation and Stabilization of Polymers, Athens, Greece, 5-9 September 2010.
  131. Study on the Performance of Intumescent Flame Retarded PA6/Clay Nanocomposites.
    P. Kiliaris, C. D. Papaspyrides, R. Pfaendner. MoDeSt 2010, 6th International Conference on Modification, Degradation and Stabilization of Polymers, Athens, Greece, 5-9 September 2010.
  132. Diffusion Phenomena Through Polyamides: The Effect of Migrant Size and Polymer Matrix Mobility.
    N.B. Hatzigrigoriou, C.D. Papaspyrides, P. Dole, C. Joly. MoDeSt 2010, 6th International Conference on Modification, Degradation and Stabilization of Polymers, Athens, Greece, 5-9 September 2010.
  133. Evaluation of the Solution-Melt Polymerization Technique for the Production of PA 6.6-clay Nanocomposites.
    A.C. Boussia, S.N. Vouyiouka, C.D. Papaspyrides. MoDeSt 2010, 6th International Conference on Modification, Degradation and Stabilization of Polymers, Athens, Greece, 5-9 September 2010.
  134. Migration Studies by Fluorescence Recovery After Photobleaching: The Effect of Intermolecular Interactions in Dry and Wet Polyamides.
    N.B. Hatzigrigoriou, C.D. Papaspyrides, P. Dole, C. Joly. MoDeSt 2010, 6th International Conference on Modification, Degradation and Stabilization of Polymers, Athens, Greece, 5-9 September 2010.
  135. Mechanistic aspects of solid state polyamidation.
    C.D. Papaspyrides, S.N. Vouyiouka, A.C. Boussia, DSM Mini-Symposium, Heeze, The Netherlands, 11-12 May 2011(invited).
  136. Mechanistic Insight into Solid State Polyamidation Processes.
    C.D. Papaspyrides, S.N. Vouyiouka, A.C. Boussia, German Institute of Polymers (DKI), Darmstadt, Germany, 6 June 2011 (invited)
  137. Catalysis versus nanofillers effects in solid state polyamidation processes.
    C.D. Papaspyrides, S.N. Vouyiouka, A.C. Boussia, Polyester, Polyamide & Intermediates Conference 2011, Technon OrbiChem, Frankfurt, Germany, 7-8 June 2011 (invited).
  138. Assessing the variable molecular size and architecture of poly(ethylene terephthalate) under reactive modification by melt and dilute solution rheology.
    Ch. Tsenoglou, P. Kiliaris, C.D. Papaspyrides, HSR 2011, Athens, 28-29 June 2011.
  139. Preparation of aliphatic polyesters via a lipase-catalysed low-temperature polymerization process.
    S.N. Vouyiouka, A. Katsini, C.D. Papaspyrides, E. Topakas, P. Christakopoulos. 3rd International Conference on Biodegradable and Biobased Polymers, BIOPOL 2011, Strasbourgh, France, 29-31 August 2011.
  140. Solid State Polymerization of Poly (Lactic Acid): Critical Process Parameters.
    S.N. Vouyiouka, P. Theodoulou, A. Simeonidou, C. D. Papaspyrides, R. Pfaendner. MoDeSt 2012, 7th International Conference on Modification, Degradation and Stabilization of Polymers, Prague, Czech Republic, 2-6 September 2012.
  141. Novel Low – Temperature Chemoenzymatic Approach for the Production of Condensation Polymers.
    S.N. Vouyiouka, A. Katsini, V. Eresios, C. D. Papaspyrides, E. Topakas, P. Christakopoulos. MoDeSt 2012, 7th International Conference on Modification, Degradation and Stabilization of Polymers, Prague, Czech Republic, 2-6 September 2012.
  142. Mechanistic Aspects of Solid State Polyamidation Processes.
    C.D. Papaspyrides, S.N. Vouyiouka. ModeSt 2012, 7th International Conference on Modification, Degradation and Stabilization of Polymers, Prague, Czech Republic, 2-6 September 2012 (Keynote Lecture-Invited).
  143. Solid State Polymerization of Solid State Polymerization of Poly (Ethylene Terephthalate): The Process-Polymer Crystal Morphology.
    S.N. Vouyiouka, V. Filgueiras, C.D. Papaspyrides, E. Lima, J.C. Pinto. MoDeSt 2012, 7th International Conference on Modification, Degradation and Stabilization of Polymers, Prague, Czech Republic, 2 -6 September 2012.
  144. Production of biodegradable polyesters via enzymatic polymerization and solid state finishing.
    M. Kanelli, A. Douka, S. Vouyiouka, C.D. Papaspyrides, E. Topakas, L-M. Papaspyridi, P. Christakopoulos, 4th International Conference on Biodegradable and Biobased Polymers, BIOPOL 2013, Rome, Italy, 1-3 October 2013.
  145. Assessment of solid state polymerization effectiveness for poly(butylene succinate) production.
    I.-N. Georgousopoulou, S. Vouyiouka, C.D Papaspyrides, S. Marinkovic, B. Estrine, P. Dole,                                                                                                                 C. Joly, 4th International Conference on Biodegradable and Biobased Polymers, BIOPOL 2013, Rome, Italy,1-3 October 2013.
  146. Encapsulation of bioactive molecules in biodegradable PLA nanoparticles.
    Roussaki M, Gaitanarou A, S. Vouyiouka, C.D. Papaspyrides, A. Detsi, 4th International Conference on Biodegradable and Biobased Polymers, BIOPOL 2013, Rome, Italy, 1-3 October 2013.
  147. Exploring solid state polymerization of poly(lactic acid).
    S. Vouyiouka, P. Theodoulou, A. Symeonidou, C. D. Papaspyrides, R. Pfaendner, 4th International Conference on Biodegradable and Biobased Polymers, BIOPOL 2013, Rome, Italy, 1-3 October, 2013.
  148. The Succipack project Solid state polymerization of polybutylene succinate (PBS).
    C.D. Papaspyrides, S. Vouyiouka, I-N. Georgousopoulou, S. Marinkovic, P. Dole, C. Joly, DSM Mini – Symposium,  The Netherlands, 12-13 February 2014.
  149. The Succipack project Solid state polymerization of polybutylene succinate (PBS).
    C.D. Papaspyrides, S. Vouyiouka, I.-N. Georgousopoulou, S. Marinkovic, P. Dole, C. Joly, Eindhoven University, March 2014 (invited).
  150. Implementation of a solid-state polymerization step in the production scheme of poly(butylene succinate).
    I.-N. Georgousopoulou, S. Vouyiouka, C.D. Papaspyrides, S. Marinkovic, B.  Estrine, P. Dole, C. Joly. 15th International Conference on Polymers and Organic Chemistry, POC, Timisoara, Romania, 10-13 June 2014.
  151. Mechanical recycling of poly(butylene succinate) through the remetlting – restabilization technique.
    I. Georgousopoulou , S. Vouyiouka, C. D. Papaspyrides, P. Dole, Joly, MoDeSt 2014, 8th International Conference on Modification Degradation and Stabilization of Polymers, Portoroz, Slovenia, 31 August-4 September 2014.
  152. Fundamentals of solid state polymerization and application to the production of poly(butylene succinate).
    C.D. Papaspyrides, S. Vouyiouka, I. Georgousopoulou, MoDest 2014, 8th International Conference on Modification Degradation and Stabilization of Polymers, Portoroz, Slovenia, 31 August-4 September 2014.
  153. Solid state polymerization of poly(butylene succinate) and process monitoring using modecular rotors.
    F.  Bijoux, I. Georgousopoulou, C. Joly, S. Vouyiouka, C.D. Papaspyrides, S. Marinkovei, B. Estrine, P. Dole, MoDest 2014, 8th International Conference on Modification Degradation and Stabilization of Polymers, Portoroz, Slovenia, 31 August-4 September 2014.
  154. Fundamentals of solid state polycondensation and pertinent routes for industrial application.
    C.D. Papaspyrides, S. Vouyiouka, Polycondensation 2014, Tokyo Institute of Technology, Tokyo, Japan, 8-11 September 2014.
  155. Enzymatic/solid state polymerization: An alternative two-step process for the preparation of    poly(butylene succinate).
    Α. Douka, L.-M. Papaspyridi, D.M. Korres, S. Vouyiouka, C.D. Papaspyrides, 2nd International Conference on Bioinspired and Biobased Chemistry & Materials, Nice, France, 15-17 October 2014.
  156. Evaluating polycondensation reactions in a TGA micro-reactor.
    S. Vouyiouka, Α. Douka, A. Porfyris, D.M. Korres, C.D. Papaspyrides, 2nd International Conference on Bioinspired and Biobased Chemistry & Materials, Nice, France, 15-17 October 2014.
  157. LCA of vegetarian burger packed in biobased polybutylene succinate.
    L. Breedveld, S. Fontana, C. Miserocchi, L. Vannini, C.D. Papaspyrides, S. Vouyiouka, I.-N. Georgousopoulou, P. Dole, 9th International Conference Life Cycle Assessment of Foods, San Fransisco, USA, 8-10 October 2014.
  158. A quantitative and qualitative analysis of polyolefin’s real waste samples contamination.
    S. Palkopoulou, C. Guinot, C. Joly, C.D. Papaspyrides, P. Dole, RMT Actia ProPack Food, Technopole Alimentec, Bourg-en-Bresse, France, 30 September 2014.
  159. Polymer Recycling: Sustainable Routes Towards Polycondensation.
    C.D. Papaspyrides, Dupont Co., Wilmington, U.S.A, 25 March 2015 (invited).
  160. Sustainable Routes towards Polycondensation.
    C.D. Papaspyrides, Russian Academy of Sciences, Moscow, Russia, 12 May 2015 (invited).
  161. Sustainable Routes towards Polycondensation.
    C.D. Papaspyrides, Russian Academy of Sciences, Saint – Petersburg, Russia, 15 May 2015 (invited).
  162. Smart monitoring of solid state polymerization of Polybutylene succinate by fluorescent probe.
    F. Jbilou, I.-N. Georgousopoulou, S. Marinkovic, S. Vouyiouka, C.D. Papaspyrides, P.  Dole, A. Cottaz C Joly, 3rd International Symposium International Meeting on Packaging Material / Bioproduct Interactions, MATBIM 2015, University of Zaragoza, Zaragoza, Spain, 17-19 June 2015.
  163. Νew containers from post-consumer collected containers: a critical view on compliance.
    A. Feigenbaum, S. Palkopoulou, C. Joly, C. D. Papaspyrides, P. Dole, International Conference on Food Contact Compliance, Baveno, Italy, September 21-13, 2016.