Borealis Ag

Borealis Technology Oy

Michael Tranninger

Georg Grestenberger

Thomas Lummerstorfer

Markus Gahleitner

Klaus Bernreitner

Pauli Leskinen

Martina Sandholzer

Bo Malm

Susanne Kahlen

Norbert Reichelt

Michael Jerabek

Simon Schwarzenberger

Sybille Simon

Werner Posch

Daniela Mileva

Christelle Grein

Wolfgang Stockreiter

Cornelia Anita Tranninger

Cornelia Kock

Gregory Potter

Stefan Schiesser

Erwin Kastner

Klaus Lederer

Anna Hartl

Klaus Maureder

Michael Otte

Stefan Hochradl

Simon Schwarzengerger

Dieter Nicolussi

Franz Brandstetter

Sybille Frank

Polypropylene composition comprising a polypropylene base material, a carbon fibre and an adhesion promoter with an excellent impact/stiffness balance, its preparation, articles comprising the composition and the use of the composition.

Long carbon fibre reinforced polypropylene composition

Reinforced polymer composition comprising a polypropylene (PP), a polar modified polypropylene (PMP) and carbon fibers (CF).

Reinforced polymer composition

Reinforced polypropylene composition comprising a heterophasic polypropylene copolymer, a polar modified polypropylene and carbon fibers.

Reinforced polyproylene composition

The present invention is directed to a polypropylene composition (C) comprising a heterophasic propylene copolymer and an inorganic filler, the use of said polypropylene composition (C) for the production of a foamed article and a foamed article obtained from said polypropylene composition (C).

Foamed polypropylene composition

The present invention relates to novel polypropylene compositions suitable for automotive applications, having a good balance of mechanical properties and especially low gloss. The inventive compositions are characterized by at least two heterophasic propylene copolymers (HECOs), where at least one of the HECOs is characterized by a rather high molecular weight rubber, an ethylene-a-olefin elastomer (EOE) having a rather low melt flow rate MFR2 (190&#xb0; C.) and a specific ratio between the MFR of the ethylene-a-olefin elastomer (EOE) and of at least one of the heterophasic propylene copolymers (HECOs).

Polypropylene compositions for automotive applications

The present invention relates to a polyolefin composition comprising (a) a heterophasic propylene copolymer, wherein the xylene cold soluble fraction of the heterophasic propylene copolymer has an intrinsic viscosity of lower than 2.0 dl/g, (b) a high density polyethylene having a density of at least 940 kg/m, (c) a linear low density polyethylene, and (d) an inorganic filler, wherein the polyolefin composition has a MFR(230&#xb0; C.) of at least 20 g/10 min.

Low filled polypropylene composition with balanced property profile

The invention relates to a novel polyolefin composition having a low coefficient of thermal expansion (CLTE) and having a reduced occurrence of flow marks. The novel polyolefin compositions comprise a heterophasic polypropylene composition, ethylene/1-butene elastomer and an inorganic filler.

Polyolefins composition with low CLTE and reduced occurrence of flow marks

Tiger stripe modifier being a heterophasic polypropylene composition having a melt flow rate MFR(230&#xb0; C.) in the range of 0.5 to 20 g/10 min and comprises a propylene homopolymer and an elastomeric propylene copolymer, wherein said propylene homopolymer has a melt flow rate MFR(230&#xb0; C.) in the range of above 10 to 300 g/10 min; the xylene cold soluble fraction of the heterophasic polypropylene composition has an intrinsic viscosity in the range of more than 2.5 to below 11.0 dl/g; and the comonomer content of the xylene cold soluble fraction of the heterophasic polypropylene composition is in the range of 10.0 to 25.0 wt.-%; wherein further the heterophasic polypropylene composition fulfills the inequation (I) 0.3&#x2267;(0.241&#xd7;C)-(1.14&#xd7;IV) (I) wherein C is the comonomer content of the xylene cold soluble (XCS) fraction of the heterophasic polypropylene composition (HECO1), and IV is the intrinsic viscosity of the xylene cold soluble (XCS) fraction of the heterophasic polypropylene composition (HECO1).

Tiger stripe modifier

Fiber reinforced composition comprising a heterophasic propylene copolymer, a propylene homopolymer and/or a propylene copolymer, and fibers, wherein the propylene copolymer comprises not more than 2.0 wt.-% C2 to C10 &#x3b1;-olefins other than propylene, the propylene homopolymer and the propylene copolymer have a melt flow rate MFR(230&#xb0; C.) of at least 500 g/10 min, and the composition has a melt flow rate MFR(230&#xb0; C.) of at least 10 g/10 min.

Glass fiber composite of improved processability

Polyolefin composition comprising a heterophasic propylene copolymer and glass material, wherein said heterophasic propylene copolymer has &#x2022; a xylene cold soluble fraction in the range of 25 to 50 wt.-%, and &#x2022; a comonomer content in the range of 10.0 to 15.0 wt.-%, wherein further the xylene cold soluble fraction of the heterophasic propylene copolymer has a comonomer content in the range of 20 to 30 wt.-% and the polyolefin composition has a melt flow rate MFR(230&#xb0; C.) of 2.0 to 15.0 g/10 min.

Moudling composition

Exterior automotive article comprising a composition comprising a polypropylene, an elastomeric copolymer, and a mineral filler, wherein said polypropylene (PP) has a comonomer content of equal or below 1.0 wt.-%, the comonomers are ethylene and/or at least one Cto Ca-olefin, and &#x3c;2,1&#x3e; erythro regiodefects of equal or more than 0.4 mol.-%, said elastomeric copolymer (EC) comprises units derived from ethylene and at least one Cto Ca-olefin, said composition (C) has a melt flow rate MFR(230&#xb0; C.) in the range of 5 to 80 g/10 min.

Exterior automotive article with reduced paintability failure

The invention relates to novel polyolefin compositions having a low coefficient of thermal expansion (CLTE), high stiffness and high flowability. The novel compositions comprise a heterophasic propylene copolymer, an inorganic filler, an ethylene/alpha-olefin elastomer and at least two different alpha-nucleating agents.

Polyolefin composition with low CLTE

Composition having a melt flow rate MFR(230&#xb0; C.) in the range of 10 to 50 g/10 min. said composition comprises two heterophasic polypropylenes comprising a propylene homopolymer matrix and an elastomeric copolymer, a plastomer and a mineral filler, wherein&#x2014;said two heterophasic polypropylenes have different melt flow rates, &#x2014;the first heterophasic polypropylene has a melt flow rate MFR(230&#xb0; C.) in the range of 3.0 to 30.0 g/10 min and&#x2014;the second heterophasic polypropylene has a xylene cold soluble (XCS) content in the range of 7.0 to 20.0 wt.-%.

Automotive material with excellent flow, high stiffness, excellent ductility and low CLTE

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.

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Pucking, Austria

Michael Tranninger