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Polycarbonate

  1. 1. FACULTY OF ENGINEERING CHEMICAL DEPARTMENT 3TH YEAR Polycarbonat e Under supervision Dr/Wael Abd El-Moez
  2. 2. Members Of Smile Group Roaa Makram Basma Mohammed Nada Abo El-soued Zeinab Saied Fatma Tony Shimaa Saed Mary Sedek
  3. 3. History Definition Chemical Structure Chemical Reaction Properties Application Price Flow Sheet
  4. 4. The purpose of this presentation PC is a good material choice in industry not only due to its characteristics, but also because its processing is environmentally friendly, and it can be recycled
  5. 5. History 1-PC was developed in 1953 by the German scientist "Hermann Schnell" who was chemist in German company "Bayer" 2-PC was introduced in United States Of America in 1960 by the general electric company 3- finally in China
  6. 6. Definitio n PC known by the trademarked names Lexan, Makrolon, Makroclear and others, are a particular group of thermoplastic polymers. They are easily worked, molded, and thermoformed. Because of these
  7. 7. Chemical Structure
  8. 8. Chemical Reaction 1-Polycarbonate begins with the monomer bisphenol "A".
  9. 9. THE FINAL REACTION
  10. 10. process Extrusion Molding The molten PC is The PC melt is pressed passed through a die into a mold with the that gives the material its defined shape of the final shape. final product. Long pipes and sheets This process is ideal for are created by this specific parts such as process automotive and computer parts
  11. 11. Flow Sheet Of the process
  12. 12. Classification of polycarbonate Reaction to stress and temperature Thermoplastic (can be recycled)
  13. 13. Molecular Arrangement all the chains become tied together to form a crosslinked material that looks like this:
  14. 14. Morphology Of Structure Structure of crystalline polycarbonate
  15. 15. METHODS USED FOR PRODUCTION CONDENSATION REACTION
  16. 16. MECHANICAL STRENGTH AND BEHAVIOR Polycarbonates is elastomeric elastomer is an amorphous polymer with a special molecular structure looking like mixed up spaghetti’s having in addition many cross links
  17. 17. properties 1-Strong
  18. 18. 3-high refractive index
  19. 19. high 4-impact resistance
  20. 20. 5-wide temperature range 6-very durable
  21. 21. 2-Lenses
  22. 22. 3-polycarbonate industrial equipment and housing component Bottles
  23. 23. 4-Furniture
  24. 24. 7-Medical
  25. 25. 8-electrical insulator
  26. 26. Summary of application
  27. 27. What is the difference between Polycarbonate and other commonly sold plastics?
  28. 28. PRICES Clear plastic roofing sheet polycarbonate prices $2.65-3.8 / Kilogram
  29. 29. Polycarbonate solid sheet $3.78-6.82 / Kilogram
  30. 30. Lexan polycarbonate Price: US $4-7 / Kilogram
  31. 31. Block flow diagram

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