Polypropylene is a synthetic resin made by polymerization of propylene (CH3-CH=CH2 with H2 as the molecular weight modifier. There are three
stereomers ofPp-isotactic,atactic and syndiotactic.
PP has a variety of applications.ltis suitable for multiple processing methods such as injection molding, extrusion molding and blow molding and iswidelv used in the textile, nackaging, electrical household appliances, automobile and real estate industries.