1. Addition Polymerisation
   1. ethene --catalyst & heat--> poly(ethene)
      1. long polymer chain
   2. alkenes
      1. make polymers
         1. very large molecules
         2. made up of monomers
      2. react with themselves
   3. plastics
      1. difficult to dispose of
      2. not biodegradable
         1. bacteria not decompose back into soil
         2. burried in landfil
            1. filling up!
         3. burnt
            1. toxic fumes
      3. thermoplastics
         1. melted down and used again
         2. intermolecular forces weak
            1. break on heating
            2. melted & remoulded
      4. thermosetting plastics
         1. hard at high temperature
         2. UV sunlight may aid break down of some of them
         3. intermolecular bonds strong
            1. interlinking covalent bonds
            2. heat
            3. whole structure breaks down
      5. CO2 capture and formation of PPC
         1. energy.gov
         2. royal society of chemistry
      6. stephens mouldings website: plastic examples
      7. recycling
         1. difficult
         2. separate out each type of plastic
2. Condensation polymerisation
   1. 2 different monomers
      1. react
      2. expel small molecule
         1. usually water
         2. hence condensation
   2. Nylon
      1. starting monomers
         1. 1,6-diaminohexane
            1. H2N(CH2)6NH2
         2. hexanedioic acid
            1. HOOC(CH2)4COOH
      2. amide link produced
         1. nylon = polyamide
   3. Terylene
      1. starting reactants
         1. ethane-1,2-diol
         2. benzene-1,4-dicarboxylic acid
      2. ester linkage
         1. terylene = polyester