How many monomers are involved in addition polymers?

Only one monomer repeatedly adds to give additional polymers like the monomer of polythene i.e.addition polymer is CH2=CH2

What is a polymer?

Polymers are long-chain giant organic molecules assembled from many smaller molecules called monomers. Polymers consist of many repeating monomer units in long chains.

Addition polymerisation

In addition, polymerisation involves many small, unsaturated monomers combined to form one large polymer molecule. The alkenes ethene and propene are two important feedstocks in the petrochemical industry that can also make addition polymers. Polymers formed by a straightforward linking together of monomer units, with no loss or gain of material, are called addition polymers or chain-growth polymers.

  • PVC (polyvinyl chloride), which is found in plastic wrap, simulated leather, water pipes, and garden hoses, is formed from vinyl chloride (H2C=CHCl). Notice how every other carbon must have chlorine attached.

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