Plastic

Plastic

1. What are?

   • Long chains of molecules of carbon
     • monomer
     • Polymers

2. Origin

   • Natural
     • Vegetable(latex,cellulose)
     • Animal(cassein)
   • Synthetic
     • Petroleum
     • Natural Gas
     • Carbon

3. Transformation(polymenisation)

   • Chemical Additives
     • To increse flexibility and resistance
   • Fillers
     • Fiberglass,peper,sawdust...

4. properties

   • maleable
     • sheets
   • Ductile
     • threads
       • hilo
   • insulators
     • electrical
     • acustic
     • thermal
   • recyclable
     • chemical
     • mechanical
     • energy
   • impermeable
     • gas
     • liquid
   • light
   • non biogradable