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Module 1: La industria petroquímica - actividad

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Otros polímeros de adición importante derivados de eteno

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Chemistry - Other important addition polymers derived from ethene

Other important addition polymers derived from ethene

_Polyvinyl chloride_ (PVC), polystyrene, and polypropylene are formed by
addition polymerisation in a similar way to polyethylene.

The starting monomers are represented by the structural formulas below.

Vinyl chloride and styrene are both derived from ethene.

The addition polymerisation process to produce the polymers occurs in the
manner detailed above for the formation of polyethylene.

Simplified segments of the polymer chains formed are given below.

(i)

Uses of PVC include: agricultural piping, guttering, floor tiles, garden
hoses and tennis court surfaces.

(ii)

Uses of polystyrene include shock- absorbing packaging, thermal insulation
and moulded containers.

(iii)

Uses of polypropylene include buckets, toilet seats and cisterns, and
furniture.

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