Borealis Ag

Hansjörg Pramer

Klaus Bernreitner

Georg Grestenberger

Martina Sandholzer

Susanne Kahlen

Manfred Kirchberger

Juliane Braun

Mari Kylmälä

Stefan Schiesser

Andreas Hauer

Rao Balakantha Kona

Balakantha Rao Kona

The invention pertains to a polypropylene composition consisting of: 55 to 79 wt % base polymer mix; 18 to 44.5 wt % talc; and 0.5 to 3 wt % additives based on the total weight of the polypropylene composition, the base polymer mix containing a XCU fraction and a XCS fraction and the XCU fraction being present in an amount of 91 to 98 wt % and the XCS fraction being present in an amount of 2 to 9 wt %; the base polymer mix containing a comonomer content of less than 5 wt % with respect to the base polymer mix; the talc having a d50 median particle size of 1.0 to 3.0 &#x3bc;m when measured according to ISO 13317-3 15 using a Sedigraph; and the composition having a MFR (230&#xb0; C./2.16 kg; ISO 1133) of 1 to 10 g/10 min. a process for the production of such a polypropylene composition and article comprising said polypropylene composition.

Talc containing polypropylene composition with excellent thermomechanical properties

A polypropylene composition comprising a random propylene copolymer, a high melt strength polypropylene having a branching index g' of 0.9 or less, a polypropylene having a MFR(230&#xb0; C.) of at least 400.0 g/10 min and a clarifier, wherein the polypropylene composition has a MFR(230&#xb0; C.) of at least 2.0 g/10 min.

Extrusion blown molded bottles with high stiffness and transparency

A polypropylene composition comprising a random propylene copolymer, a high melt strength polypropylene having a branching index g' of 0.9 or less and a clarifier, wherein the polypropylene composition has a MFR(230&#xb0; C.) of at least 2.0 g/10 min.

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Gramastetten, Austria

Hansjörg Pramer