Polyolefins & Catalysts Manufacturing

Polyolefins like polyethylene (PE) and polypropylene (PP) are popular because of their capability to replace costly and resource-intensive materials. They also provide additional property benefits of being lightweight, chemically and mechanically resistant, and easy to shape into products.

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Polyethylene (PE) comprises copolymers of ethylene with different amounts of an α-olefin comonomer to decrease the density and crystallinity of the polymer, which widens the range of applications. The most commonly used α-olefins are 1-butene, 1-hexene, and 1-octene. Polypropylene (PP) resins are mostly isotactic materials. Furthermore, there are different variations of propylene copolymers available next to homo-PP materials, such as random propylene/ethylene copolymers and impact propylene/ethylene copolymers.

Different process technologies have been developed to manufacture PE and PP polymers, including bulk, gas phase or slurry processes. The catalyst is the heart of all polyolefin manufacturing processes, and its role is to promote polymer chain growth. For PE and PP, Ziegler and Ziegler-Natta type catalysts are very commonly used. For PE, Ziegler-Natta catalysts account for almost 45 % of all polymerization processes, whereas for PP, the number is even higher at 95 %.

Our Catylen® product range consists of key components used for the formulation of PE and PP polymerization catalysts. They decisively contribute to the selectivity and productivity of a catalyst system. The brand name Catylen® comprises support materials (Catylen® S) and donors (Catylen® D) to formulate state-of-the-art Ziegler-Natta catalysts.

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• Catylen® S is a series of magnesium ethanolate based support materials of different sizes and morphology.
• Catylen® D series is an extensive range of external and internal donors.

STATE-OF-THE-ART POLYOLEFINS CATALYSTS

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