Article | REF: AM3575 V1

Plastic packaging - Polymers used

Author: Pierre CHOMON

Publication date: April 10, 2008, Review date: September 3, 2018

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1. Mass-market polymers

The crude oil refining diagram (figure 1 ) shows that during steam cracking, the naphtha from atmospheric distillation and the heavy products from vacuum distillation are taken together to produce :

  • ethylene, the monomer of polyethylene ;

  • propylene, the monomer of polypropylene ;

  • benzene, a polystyrene monomer.

These three materials are by far the most widely used in packaging.

Table 1 completes this diagram, showing that, whatever the origin of the raw materials (coal, gas, oil), we pass through the phase of "large intermediates" to end up with the finished...

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Mass-market polymers
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