Processing of Polymeric Materials

Code: CEM 015

Credits: 10

Compulsory subject for the area of Polymers

Contents:

  • Principles of polymer processing;
  • Introduction to molten polymer rheology;
  • Pressure flow in channels with different geometries;
  • Rheometry: capillary, rotational, oscillatory and extensional
  • Effects of melt elasticity on the processing of polymers;
  • Extrusion: general principles of single and twin screw extruders;
  • Modeling of solid conveying and melting in single screw extruders;
  • Operation of single screw extruders;
  • Polymer extrusion manufacturing process;
  • Injection molding: general principles of machines and the molding cycle;
  • Melt flow behavior in injection molds;
  • Morphological structuration of injection molded parts;
  • Defects in injection molded parts - troubleshooting;
  • Modelling and computer simulation of the injection molding process.


References:

  1. Dealy, J. M.; Wissbrun, K. F. Melt Rheology and its Role in Plastics Processing, Van Nostrand Reinhold, New York, 1990.
  2. Han, C. D. Rheology in Polymer Processing, Academic Press, London, 1976.
  3. Middleman, S. Fundamentals of Polymer Processing, McGraw Hill, New York, 1977.
  4. Tadmor, Z.; Gogos, C., Principles of Polymer Processing, John Wiley, New York, 2006.
  5. Rosato, D.V., Rosato, D.V. Injection Molding Handbook, Van Nostrand Reinhold, New York, 1986.
  6. Lucas, A. A. Moldagem por Injeção de Termoplásticos, apostila, DEMa-UFSCar, São Carlos, 2018.
  7. Potsch, G., Michaeli, W. Injection Molding: an Introdution. Hanser Publishers, Munich, 1995.
  8. Rauwendaal, C., Polymer Extrusion, 5th edn., Carl Hanser Publi., Munich. 2014.
  9. Manrich, S. Processamento de Termoplásticos: rosca única, extrusão e matrizes, injeção e moldes, Artliber, São Paulo,2013.
  10. Bretas, R. E. S.; D'Avila, M. A. Reologia de Polímeros Fundidos. EdUFSCar, São Carlos, 2005.
  11. Sousa, J. A., Hage Jr., E. Extrusão de Termoplásticos, apostila do curso de "Tecnologia de Plásticos", NRPP-DEMa/UFSCar, São Carlos, 2017.