Copolymers are those polymers that consist of more than one monomeric repeating unit. Some of the copolymers are Saran, Butadiene, Nitrile Rubber, Butyl Rubber, Viton and many more.

Homopolymers are those in which there is only one monomeric unit. Some of the examples of homopolymers are polypropylene, Polythene and many more.