Highly stereoregular (isotactic) polypropylene was first obtained in 1954 and was rapidly produced
on industrial scale because of many excellent properties such as high stiffness retained up to
100°C, good abrasion and heat resistance and outstanding resistance to repeated
The chain repeat unit of polypropylene is:
This plastic has a very broad spectrum of applications: sanitary and household articles, furniture,
components for car industry and sports articles, food packaging and uses in agriculture.