Borealis Ag

Sybille Simon

Klaus Bernreitner

Pauli Leskinen

Bo Malm

Michael Tranninger

Katja Ellen Klimke

Georg Grestenberger

Norbert Reichelt

David Friel

Werner Posch

Petar Emilov Doshev

Tung Pham

Doris Machl

Christer Svanberg

Thomas Steffl

Saeid Kheirandish

Katja Klimke

Michael Reisecker

The present invention relates to a polypropylene which has&#x2014;a melt flow rate MFR(230&#xb0; C., 2.16 kg) of at least 13 g/10 min,&#x2014;an amount of xylene solubles XS of 6.0 wt % or less, and&#x2014;a crystalline fraction, wherein at least 10% of the crystalline fraction melts the temperature range of from 160 to 170&#xb0; C., as determined by the stepwise isothermal segregation technique (SIST).

Polypropylene with living hinge properties

Heterophasic polypropylene composition comprising

Heterophasic polypropylene copolymer composition

Heterophasic polypropylene composition comprising (A) 45 to 70 wt % of a propylene homo- or copolymer matrix with an MFRin accordance with ISO 1133 (230&#xb0; C., 2.16 kg load) of &#x2267;80 g/10 min and (B) 25 to 40 wt % of an elastomeric propylene-ethylene copolymer, having an intrinsic viscosity IV (ISO 1628, with decalin as solvent) of &#x2267;3.3 dl/g and an ethylene content of 20 to 50 wt %, (C) 0-15 wt % of an elastomeric ethylene/alpha-olefin random copolymer (D) 3-25 parts per weight of inorganic filler, the heterophasic polypropylene compositions having a total MFR(230&#xb0; C./2.16 kg) in accordance with ISO 1133 of &#x2267;5 g/10 min, a Charpy notched impact strength according to ISO 179/1eA at +23&#xb0; C. of &#x2267;15.0 kJ/m2, preferably &#x2267;25.0 kJ/m, a minimum value for the Charpy notched impact strength according to ISO 179/1eA at &#x2212;200 C of &#x2267;7.0 kJ/m2, preferably &#x2267;10.0 kJ/mand a tensile modulus according to ISO 527-3 of &#x2267;1200 MPa; their preparation and use for producing injection molded articles being free of flow marks.

Cable layer comprising a propylene polymer composition comprising (a) a polypropylene (A) (b) an elastomeric copolymer (E) comprising units derived from propylene and ethylene and/or C4 to C20 &#x3b1;-olefin and (c) a polar ethylene polymer (C) wherein the cable layer and/or the propylene polymer composition has a gel content of equal or more than 0.20 wt.-%.

Cable layer of modified soft polypropylene with improved stress whitening resistance

Growing community of inventors

Linz, Austria

Sybille Simon