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Polypropylene is a
semi crystalline versatile thermo plastic resin. It is a linear
structure based on the monomer CnH2n. It is manufactured from propylene gas in
presence of a catalyst such as titanium chloride. Beside PP is a by- product of oil
refining process.
The first polypropylene resin was produced by Professor Giulio Natta in Spain,
although commercial production began in 1957. |