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Safripol produces
110 000 mt/year of
polypropylene (PP), utilising Basell’s Spheripol* technology.
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Polypropylene (PP)
Our products are supplied to the converters, who in turn
manufacture packaging products and structural material for a
wide range of industries such as construction and automotive,
among others.
PP is a lightweight, moderately high-melting-point plastic with high
stiffness, hardness and strength. It is produced from propylene monomer
as a homopolymer or as a copolymer with ethylene.
PP is used in the manufacture of injection-moulded articles,
blow-moulded containers, pipe, sheet and textile fibres. It is often
used for outdoors applications but is UV resistant only if appropriately
stabilized. PP has a good resistance to fatigue and can therefore be
used as a living hinge such as those found on flip-top bottles.
Safripol produces a variety of PP grades as impact
copolymers, random copolymers and homopolymers for injection moulding,
extrusion, blow moulding, thermoforming and fibres.
Polypropylene Operations
The word Spheripol was derived from the unique ability of the
process, together with the HP/HS catalysts, to produce uniform polymer
spheres known as “Spheriform” directly in the reactor. Spheriform
polypropylene is about the size of normal palletized product. If
differs considerably from the small, irregularly shaped, granular
particles produced with other technologies.
The Spheripol process involves the following sections:
Catalyst feeding
• Polymerization
- Bulk polymerization (homopolymer / random copolymer)
- Gas phase polymerization (heterophasic impact copolymer)
• Finishing
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