C1 Part 2

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  • C1
    • Plastics
      • Polymerisation
        • >
        • Lots of unsaturated monomers
        • Polymer
        • Pressure and Catalyst
      • Forces between molecules determine properties
        • Weak
          • Stretchy
          • Low melting point
          • Weak intermolecular forces
        • Strong
          • Covalent bonds
          • Cross-linking bridges
          • Rigid
          • High melting point
      • Uses
        • Strong + Rigid
          • e.g. high density polyethene
          • Plastic bottles
        • Light + Stretchable
          • e.g. low density polyethene
          • Plastics bags or squeezy bottles
        • Strong + Durable
          • Stretchy
            • Synthetic leathers
          • Rigid
            • Window frames or pipes
          • e.g. PVC
        • Polystyrene Foam
          • Packaging
          • Cups
            • Good insulator
        • Clothes
          • Nylon
            • Polyurethane Coating
              • Waterproof
              • Blocks UV
              • Traps sweat
            • Expanded PTFE laminate
              • Gore Tex
              • Keeps water droplets out
              • Lets sweat vapour out
    • Hydrocarbons
      • Alkanes
        • Single bonds
        • Saturated
        • Fractional distillation
          • BODKNPL
          • Long - bottom Short - top
          • Boiling Points
      • Alkenes
        • Double and single bonds
        • Unsaturated
      • Properties
        • As chain gets longer:
          • Gets more viscous
          • Gets less flammable
          • Gets less volatile
          • Boiling point increases
      • Cracking
        • Hot plus a catalyst
          • Aluminium oxide
          • 400-700 degrees
        • Long alkane
          • >
            • shorter alkane + alkene
        • Supply and demand
        • Vaporised
          • Hot plus a catalyst
            • Aluminium oxide
            • 400-700 degrees
      • Problems
        • Political
        • Environmental
          • Oil slicks
            • Detergents

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