Plastic materials

Plastic materials

1. What are?

   • long chains of molecules mostly made of carbon
     • monomers
     • polymers

2. Origin

   • Natural plastics
     • Animal origin
       • Casein
     • Vegetable origin
       • Latex and Cellulose
   • Synthetic plastics
     • made with compounds from
       • Petroleum
       • Natural Gas
       • Carbon

3. Transformation

   • called polymerisation
     • Fillers
     • Additives

4. Properties

   • Lightness
   • Physical Resistance
     • Stretch stresses
     • Compresion stresses
     • Bending stresses
     • Twisting stresses
   • Insulation
     • Electrical
     • Thermal
     • Acoustic
   • Ductility
     • into threads
   • Malleability
     • into sheets
   • Impermeability
   • Reciclying
     • Chemical
     • Physical
     • Energy
   • Biodegradability