i) Buan -S
Monomers : 1,3 -Buradiene, Styrene
ii)Buna -N
Monomers : 1,3 -Butadiene ,Acrylonitrile
Structure : `CH_(2)=CH-CH=CH_(2),CH_(2)=CH-CN`
iii) Dacron
Monomers : Ethylene glycol, Terephthalic acid
Structure :
Neoprene
Monomers : 2-Chloro -1,3- Butadiene
Structure: `CH_(2)=overset(Cl)overset(|)C-CH=CH_(2)`