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Give the names of three types of addition polymerization and outline the steps involved in one of these types of polymerization.

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  • In addition polymerization monomers only join at the active site of the chain. But in condensation polymerization, any molecule can react with any other.
  • In addition polymerization, there are three distinct steps. Initiation, propagation and finally termination. In condensation polymerization, there is no termination step. The end groups remain reactive through the entire process.
  • Addition polymerization results in homo-chain polymers whereas condensation polymerization results in hetro-chain polymers.
  • The most significant difference is that in addition polymers there is no loss of atom. But in condensation reaction, there is a loss of a molecule of water, ammonia etc as a by-product.

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