Borealis Ag

Abu Dhabi Polymers Co. Ltd (borouge) Llc.

Borealis Gmbh

Abu Dhabi Polymers Co. Ltd (borouge) - Sole Proprietorship L.l.c.

Daniela Mileva

Georg Grestenberger

Susanne Kahlen

Claudia Kniesel

Markus Gahleitner

Thomas Lummerstorfer

Jingbo Wang

Hermann Braun

Jeroen Oderkerk

Tanja Piel

Oscar Prieto

Jari-Jussi Ruskeeniemi

Klaus Bernreitner

Pavel Shutov

Pauli Leskinen

Petar Emilov Doshev

Michael Jerabek

Stefan Hellström

Dietrich Gloger

Christophe Salles

Patrick Rover

Stefan Hellstrom

Floran Prades

Cornelia Anita Tranninger

Angelica Maëlle Delphine Legras

Anna Hartl

Friedrich Berger

Wolfgang Stockreiter

Francis Costa

Michael Tranninger

Elisabeth Potter

Thomas Horill

Luc Monnissen

Christof Wurnitsch

Meta Cigon

Erwin Kastner

Matthias Hoff

Andreas Fuchs

Jochen Kastl

Jürgen Huber

Stefanie Engleder

Anton Sageder

Renate Eckmayr

Angelica Legras

Mahdi Abbasi

Juha Hartikainen

Gennaro Signorelli

Gisela Lehner

Shengquan Zhu

Milorad Bogdanovic

Erwin Pirklbauer

Lionel Delaviere

Dieter Nicolussi

Stefan Hellstroem

Stefan HELLSTRÖM

Bogdanovic Milorad

The present invention relates to polypropylene compositions having a meltflow rate MFRof 75 to 250 g/10 min suitable especially for injection moulding applications comprising a heterophasic propylene copolymer and a particulate inorganic nucleating agent, a process for producing said polypropylene composition, an article comprising said polypropylene composition and the use of said polypropylene composition for injection molding of articles.

High flow polypropylene composition for injection moulding applications

The present invention is directed to a polypropylene composition (C) comprising a heterophasic propylene copolymer (HECO), comprising a matrix being a propylene polymer (PP1), an elastomeric propylene copolymer (EPR) being dispersed in said matrix and a nucleating agent (NU). The polypropylene composition (C) further comprises polymeric fibers (PE). The present invention is also directed to a foamed article comprising the polypropylene composition (C) and the use of polymeric fibers (PE) as an impact modifier for a heterophasic propylene copolymer (HECO).

Foamed polypropylene composition comprising polymeric fibers

Polyolefin (PO) compositions derived from post-consumer recyclate (PCR) PO based materials having well balanced properties with regards to mechanical performance, low crystallization temperature, dimensional stability, and workability.

Compositions derived from post-consumer recyclates based materials with low crystallization temperature

A composition suitable for automotive application obtainable by blending at least components (A), (B) and (C): (A) 15 wt.-% to 50 wt.-%, preferably 17 to 47 wt.-%, more preferably 18 to 45 wt.-% of a mixed-plastics polypropylene blend; (B) 10 wt.-% to 60 wt.-%, preferably 15 to 55 wt.-%, more preferably 17 to 52 wt.-% of a first heterophasic propylene copolymer; and (C) 5 wt.-% to 25 wt.-%, preferably 7 to 22 wt.-%, more preferably 8 to 20 wt.-% of an inorganic filler.

Polypropylene composition for interior automotive applications

A composition suitable for automotive application obtainable by blending at least components (A), (B), (C) and (D): (A) 15 wt.-% to 50 wt.-%, preferably 18 to 44 wt.-%, more preferably 20 to 40 wt.-% of a mixed-plastics polypropylene blend; (B) 20 wt.-% to 50 wt.-%, preferably 22 to 47 wt.-%, more preferably 25 to 45 wt.-% of a heterophasic propylene copolymer; (C) 5 wt.-% to 25 wt.-%, preferably 7 to 23 wt.-%, more preferably 10 to 22 wt.-% of an ethylene-based plastomer and (D) 5 wt.-% to 25 wt.-%, preferably 7 to 22 wt.-%, more preferably 10 to 20 wt.-% of an inorganic filler.

Polypropylene composition for exterior automotive applications

A process for producing a cap or closure comprising obtaining a polypropylene composition by sequential polymerization comprising the steps: A) polymerizing in a first reactor, preferably a slurry reactor, in the presence of a Ziegler-Natta catalyst monomers comprising propylene and optionally one or more comonomers selected from ethylene and C4-C10 alpha-olefins, to obtain a first propylene polymer fraction having a comonomer content in the range of 0.0 to 1.8 wt %, and a MFR2 in the range of from 12.0 to 40.0 g/10 min, as measured according to ISO 1133 at 230° C. under a load of 2.16 kg; B) polymerizing in a second reactor, preferably a first gas-phase reactor, monomers comprising propylene and one or more comonomers selected from ethylene and C4-C10 alpha-olefins, in the presence of the first propylene polymer fraction, to obtain a second propylene polymer fraction, wherein the polypropylene composition comprising said first and second propylene polymer fractions has an MFR2 in the range of from 12.0 to 60.0 g/10 min, as measured according to ISO 1133 at 230° C. under a load of 2.16 kg, has a comonomer content in the range of from 2.2 to 5.0 wt % and wherein the ratio of the comonomer content of component A) to the comonomer content of the polypropylene composition is 0.35 or less, C) melting, extruding and moulding the polypropylene composition in the presence of at least one nucleating agent to prepare a cap or closure; and D) exposing the cap or closure obtained in step (C) to a cooling rate of 50 K/s or more.

Process for preparing a cap or closure

The present invention relates to a polypropylene composition, an injection molded article comprising the polypropylene composition, a foamed article comprising the polypropylene composition as well as the use of said polypropylene composition for reducing the stiffness reduction factor of a foamed injection molded article by at least 200 as determined by the difference of the flexural modulus measured according to ISO 178 of the non-foamed and foamed injection molded article.

Foamable polypropylene composition

A composition suitable for automotive application obtainable by blending at least components a) to f), or a), b), c), d), C and f) under the proviso that e) is not present a) 12 to 40 wt.-%, preferably 14 to 38 wt. %, more preferably 15 to 35 wt.-% of a first heterophasic polypropylene copolymer (HECO 1) b) 12 to 40 wt.-%, preferably 14 to 38 wt.-%, more preferably 15 to 35 wt.-% of a second heterophasic polypropylene copolymer (HECO 2) c) 15 to 65 wt.-%, preferably 18 to 60 wt.-%, more preferably 20 to 55 wt.-% of a polypropylene-polyethylene blend (A) d) 3.0 to 20 wt.-%, preferably 5.0 to 15 wt.-% and more preferably 6.0 to 15 wt.-% of an inorganic filler e) 0 to 15 wt.-% HDPE f) 0.01 to 4.0 wt.-% of additives.

Low filled automotive polypropylene composition containing recyclates

The present invention discloses a process for providing a cross-linked composition, the process comprising the steps of (a) providing an ethylene-α-olefin plastomer having—a density of from 850 kg/mto 900 kg/m; and—an melt flow rate (ISO 1133, 2.16 kg, 190° C.) of 0.3 to 50 g/10 min; (b) grafting the ethylene-α-olefin plastomer with silane crosslinker such that the content of silane crosslinker is in the range of 0.1 to 10.0 wt. % with respect to the grafted ethylene-α-olefin plastomer; (c) contacting said grafted ethylene-α-olefin plastomer with 2 to 8 wt. % of a tin-free silane crosslinking catalyst with respect to the resulting mixture of grafted ethylene-α-olefin plastomer and tin-freesilane crosslinking catalyst, wherein said tin-free catalyst comprises a Brönsted acid at 23° C. and 50% relative humidity for at least 15 minutes thus forming a cross-linked composition, wherein gel content of said cross-linked composition after 15 min is at least 60%.

High speed cross-linking of grafted plastomers

A heterophasic polypropylene composition (C) comprising: a. 60.0 to 85.0 wt.-% of a first heterophasic propylene ethylene copolymer (HECO1), having: i. 75.0 to 92.0 wt.-% of a CRYSTEX QC crystalline fraction (CF); ii. 8.0 to 25.0 wt.-% of a CRYSTEX QC soluble fraction (SF); iii. an IV(SF) of 2.00 to 4.00 dl/g; b. 5.0 to 20.0 wt.-% of a second heterophasic propylene ethylene copolymer (HECO2), having i. 15.0 to 30.0 wt.-% of a CRYSTEX QC soluble fraction (SF); ii. an IV(SF) of 2.5 to 5.0 dl/g; and c. 5.0 to 20.0 wt.-% of a polymer of ethylene (PE), being selected from an ethylene-based plastomer and an LDPE, having a density in the range from 895 to 925 kg/m; wherein the heterophasic polypropylene composition (C) has an MFR2 in the range from 15.0 to 40.0 g/10 min, and 5.0 to 23.0 wt.-% of a CRYSTEX QC soluble fraction (SF).

Translucent Polyolefin blends achieving excellent impact-stiffness balance and flowability

The present invention is directed to a polypropylene composition (C) a melt flow rate MFR(230° C.) determined according to ISO 1133 in the range of 15 to 40 g/10 min, the use of said polypropylene composition (C) for the production of a foamed article and a foamed article comprising said polypropylene composition (C).

Foamed polypropylene composition

Articles comprising a polymer composition, wherein the polymer composition is obtainable by grafting an ethylene copolymer with comonomer units comprising hydrolysable silane groups, wherein the polymer composition shows high gel content and low compression set at −25° C. These articles have applications in automotive weather-stripping, such as sealing systems for doors, trunks and hoods.

Cross-linked plastomers as a replacement for rubber

The present invention provides a polyolefin composition, said composition comprising a terpolymer comprising a cross-linkable polyolefin comprising hydrolysable silane groups and a polar comonomer, the polyolefin composition further comprising a cross-linking catalyst and a silicon containing compound. The polar comonomer Is present in an amount of 5-35 wt %.

Rubber replacement material comprising terpolymers

The present invention relates to a polypropylene based composition comprising: (A) from 40.0 to 85.0 wt % of a heterophasic propylene copolymer having a content of xylene cold soluble (XCS) fraction in the range of 15 wt % to 35 wt %, based on the total weight of the heterophasic propylene copolymer; (B) from 5.0 to 15.0 wt % of a terpolymer of propylene with ethylene and 1-butene comonomer units having a melting temperature Tm as measured in differential scanning calorimetry (DSC) of less than 140&#xb0; C.; (C) from 5.0 to 25.0 wt % of an ethylene copolymer with alpha-olefin comonomer units having from 4 to 12 carbon atoms with a density of from 850 kg/mto 900 kg/m; and (D) from 5.0 to 25.0 wt % of an inorganic filler, wherein the amounts of components (A), (B), (C), and (D) are all based on the total weight amount of the polypropylene based composition, said polypropylene based composition having a melt flow rate (MFR2) as measured at 230&#xb0; C. and 2.16 kg load in accordance with ISO 1133 in the range of 2.0 g/10 min to 20 g/10 min, an article comprising said polypropylene based composition and the use of said terpolymer (B) for reducing the paint adhesion failure of an article comprising said polypropylene based composition.

Polypropylene based composition with improved paint ability

The present invention relates to a polypropylene composition, an injection molded article comprising the polypropylene composition, a foamed article comprising the polypropylene composition as well as the use of a polypropylene homopolymer (H-PP1) for reducing the 5stiffness reduction factor of a foamed injection molded article by at least 40 as determined by the difference of the flexural modulus measured according to ISO 178 of the non-foamed and foamed injection molded article and compared to an article comprising the same amount of a polypropylene which has been polymerized in the presence of a Ziegler-Natta catalyst.

Foamable polypropylene compositions

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Linz, Austria

Daniela Mileva