Final answer:
Polypropylene (PP) is a thermoplastic polymer used in various applications. It is produced through chain-growth polymerization from the monomer propylene. Polypropylene is used alone or as a copolymer, usually with ethylene.
Step-by-step explanation:
Polypropylene (PP) is a thermoplastic polymer that is widely used in various applications. It is produced through chain-growth polymerization from the monomer propylene. Polypropylene is used alone or as a copolymer, usually with ethylene, and has a wide range of uses including rope, plastic bottles, non-woven fabrics, and food containers.