.

1. Teflon (Polytetrafluoroethylene -
PTFE)
• Properties, Production & Applications
• Presented by: [Your Name]
• Date: [Your Date]
• [Insert image of Teflon structure or product]

2. Introduction to Teflon
• • Trade name for Polytetrafluoroethylene
(PTFE)
• • Discovered in 1938 by Dr. Roy Plunkett at
DuPont
• • Chemically inert, non-stick
• • Widely used in industrial and consumer
products
• [Insert image of Roy Plunkett or DuPont lab]

3. Chemical Structure & Formula
• • Chemical Formula: (C₂F₄)n
• • Linear polymer with strong C-F bonds
• • High electronegativity due to fluorine atoms
• [Insert image of PTFE molecular structure]

4. Properties of Teflon
• • High melting point: ~327°C
• • Low coefficient of friction
• • Excellent electrical insulation
• • Highly non-reactive and inert
• • Hydrophobic and non-stick
• [Insert properties chart or graphical summary]

5. Manufacturing Process
• • Free-radical polymerization of
tetrafluoroethylene (TFE)
• • Process:
• - Preparation of TFE monomer
• - Polymerization under pressure
• - Shaping (compression molding, extrusion)
• - Sintering at high temperature
• [Insert diagram of polymerization process]

6. Applications
• • Non-stick cookware
• • Electrical insulation (wires and cables)
• • Gaskets and seals (chemical industry)
• • Biomedical devices
• • Aerospace components
• [Insert collage or samples of applications]

7. Advantages & Disadvantages
• Advantages:
• • High thermal stability
• • Low friction
• • Chemical resistance
• • Weather durability
• Disadvantages:
• • Expensive to process
• • Degrades at very high temps

8. Conclusion
• • Revolutionary material with diverse
applications
• • Unique properties make it valuable in many
fields
• • Safer production practices now adopted
• [Insert thank you or summary visual]