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POLYPROPYLENE

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POLYPROPYLENE

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Number of the equipments used in everyday life remarkably increased after the invention of synthetic polymers, especially of styrene-butadiene rubber in 1930 and of PVC in 1936, and thanks to fast-developing polymer technologies. Polymers are light, cheap and ductile inert materials, which have good mechanical and thermal properties, suitable to use for various purposes and are highly resistant to corrosion. Thanks to such properties, they play an essential and ubiquitous role in many industrial fields. For instance, a modern car contains 150 kg of polymers (not including the weight of tyres, plastic fibres, upholstery and paint)....

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