Question

write the Addition polymerization ​

Answer 1

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Addition polymerization is a process of formation of polymers by addition of monomers without loss of any small molecules. The repeating unit of an addition polymer has the same elemental composition as that of original monomer.

Compounds containing double bond undergo addition polymerization. It is also referred as vinyl polymerization, since majority of monomers are from vinyl category. For example : vinyl chloride (CH2=CHCl), acrylonitrile (CH2=CHCN). Formation of polyethylene from ethylene is well known example of addition polymerization. Addition polymerization produces high molecular mass polymeric materials without formation of any intermediate low molecular mass polymeric materials.

Free radical mechanism is most common in addition polymerisation. It is also called chain reaction which involves three distinct steps chain initiation, chain propagation and chain termination.

Answer 2

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Answer:

=> Polymers formed by the addition of monomeric units possesing multiple bonds is called addition polymerisation.

=> Examples:- polythene,PVC,rubber,etc.

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