PLASTICS

PLASTICS

1. Are obtained from

   • Petroleum
     • Though
       • Cool
       • Vegetals
   • Cooal
   • Vegetables

2. Types

   • Thermoplastics
     • Polyvinyl chloride (PVC)
     • Polystirene
     • Polypropylene
     • molecular structure
       • Closed meshn net
   • Termosetting poymers
     • Exposi resin
     • Silicones
     • Poliester
     • molecular structure
       • mesh network with few links
   • Elastomers
     • Neoprene
     • Rubber
     • Polibutadien
     • molecular sctructure
       • Freely arranges mesh beef

3. Properties

   • Chemical corroeion resistant
   • Easy hot molding
   • Raincoats
   • Electrical insulator
   • Thermal insulator
   • Stain easily
   • Low density
   • The are not biodegradable
   • Good mechanical resistance

4. Recycled

   • Puede ser
     • Mechanical
       • chemical
         • energetic
           • convert into fuel
         • Heat degradation
       • Separate, wash and crush the plastic

5. Recycling

   • mechanical
     • separate ,wash and crush the plastic
   • Chemical
     • Heat degradation
   • energetic
     • Conveert into fuel

6. are used

   • manufactures objects and materials
     • Through elaboration processes like
       • injection molded
       • by compression
       • Extrusion
       • Blown
       • Empty

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