Borealis Ag

Jimgbo Wang

Markus Gahleitner

Luigi Resconi

Alexander Z Voskoboynikov

Vyatcheslav V Izmer

Dmitry S Kononovich

Ville Virkkunen

Norbert Hafner

Pascal Castro

Pavel Sergeevich Kulyabin

A heterophasic polypropylene resin comprising a polypropylene homopolymer matrix phase (A) and an ethylene-propylene copolymer phase (B) dispersed within the matrix, wherein the xylene soluble fraction of the heterophasic polypropylene resin is in the range 20 to less than 50 wt %; the heterophasic polypropylene resin has an MFR2 of 0.01 to 50 g/10 min; the ethylene content of the xylene soluble fraction of the heterophasic polypropylene resin is in the range of at least 20 wt % to less than 50 wt %; the heterophasic polypropylene resin has a notched charpy impact strength at &#x2212;20 C of at least 25 kJ/m, preferably at least 50 kJ/m; and wherein the MFR(Matrix)/MFR(XS)&#x2267;5, preferably &#x2267;10.

Heterophasic copolymers

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Linz, Austria

Jimgbo Wang