Natural rubber (or polyprene) is obtained by the polymerization of isoprene (2-methyl-1, 3-butadiene).
n CH2 =C(CH3) -CH = CH2 ——-> ― [CH2―C(CH3) = CH―CH2] n —
Isoprene Polyprene (Natural rubber)
Uses:
1) It is used for making bells, hoses, shoe heals, stoppers etc.
2) It is also used for the manufacture of containers for storing petrol, oil and other solvents.