As the time is advancing, the new inventions are heading towards us.  These days, the polymers are used in the market on the wide range.  Polymers are nothing but a macro molecule, having very high molecular weight.  These are made up of single unit, i.e. monomer repeating several times and forming a polymer.  The polypropylene is also a polymer having several units of propylene monomers.  These days, polypropylene is used in the packaging industries.  Not only this, the polyethylene is also ...