Borealis Ag

Abu Dhabi Polymers Co. Ltd (borouge) Llc.

Abu Dhabi Polymers Company Limited (borouge) L.l.c.

Abu Dhabi Polymers Company Limited

Antti Tynys

Joachim Fiebig

Markus Gahleitner

Jingbo Wang

Petar Emilov Doshev

Wilhelmus Henricus Adolf Sars

Erik A Eriksson

Georg Grestenberger

Katja Ellen Klimke

Martina Sandholzer

Bo Malm

Magnus Palmlöf

Markku Vahteri

Yi Liu

Henk Van Paridon

Bert Broeders

Tanja Piel

Anh Tuan Tran

Franz Ruemer

Nina Ackermans

Cornelia Kock

Doris Machl

Svein Jamtvedt

Andrey Buryak

Cristian Hedesiu

Juliane Braun

Esa Kokko

Susana Filipe

Saeid Kheirandish

David Friel

Matthew Parkinson

Tuomas Noopila

Ilke Senol

Thomas Rätzsch

Ernst Zopf

Velichko Hristov

Martin Obadal

Cindy Xin Wang

Pascal Perrillat-Collomb

Philippe Gilles

Joel Fawaz

Sandeep Tyagi

Jarmo Harjuntausta

Mohana Murali Adhyatma Bhattar

Alexander Standler

Astrid-Caroline Knall

Henrich Kaminski

Ravindra Tupe

Gilles Philippe

Saeid Kheirandisch

Melt-blown fiber comprising two polypropylenes which differ in their molecular weight.

Melt blown web with good water barrier properties

The present invention relates to a polyethylene composition comprising, a base resin (A) comprising a copolymer of ethylene and at least one comonomer selected from alpha-olefins having from three to twelve carbon atoms, wherein the ethylene copolymer comprises a low molecular weight component (A-1) and a high molecular weight component (A-2) with the low molecular weight component (A-1) having a lower weight average molecular weight than the high molecular weight component (A-2), (B) carbon black in an amount of 1.0 to 10 wt % based on the total amount of the polyethylene composition, and (C) optional further additives other than carbon black; wherein the low molecular weight component (A-1) has a melt flow rate MFR(190&#xb0; C., 2.16 kg) of equal to or more than 150 g/10 min to equal to or less than 400 g/10 min, determined according to ISO 1133, the base resin (A) has a density of equal to or more than 943 kg/mto equal to or less than 957 kg/m, determined according to ISO 1183, and the composition has a melt flow rate MFR(190&#xb0; C., 5 kg) of equal to or more than 0.14 g/10 min to equal to or less than 0.30 g/10 min, determined according to ISO 1133, a viscosity at a constant shear stress of 747 Pa, eta, of equal to or more than 800 kPa*s to equal to or less than 1300 kPa*s, and complies with the in-equation (I) eta&#x3e;&#x2212;1800&#xd7;MFR+1200 (I), a process for producing said polyethylene composition and an article comprising said polyethylene composition.

Polyethylene composition for pipe applications with improved sagging and extrusion properties

Melt-blown webs having no shots and improved barrier properties, whereby the melt-blown webs are made out of a so-called 'controlled rheology' propylene (CR-PP), which was visbroken without any peroxide.

Melt-blown webs without shots and with improved barrier properties

The present invention relates to pellets comprising a polyethylene composition, a pipe or pipe system comprising the pellets as well as a process for the preparation of such a pipe or pipe system.

Polyethylene composition for drip irrigation pipes or tapes

The present invention relates to a polyethylene composition comprising, preferably consisting of,

Polyethylene composition with high flexibility and high temperature resistance suitable for pipe applications

Coated nonwoven fabric comprising a nonwoven fabric layer and a coating, said coating comprises a polymer having a branching index g' of equal or below 0.9.

Breathable nonwoven composite

The present invention relates to a polyethylene composition comprising&#x2014;a base resin comprising (A) a first ethylene homo- or copolymer component having a melt flow rate MFR2 (2.16 kg, 190&#xb0; C.) of equal to or more than 150 g/10 min to equal to or less than 300 g/10 min, determined according to ISO 1133, and (B) a second ethylene homo- or copolymer component, &#x2014;optional carbon black, &#x2014;optional further polymer component(s) different to the first ethylene homo- or copolymer components (A) and (B), and &#x2014;optional additive(s); wherein the first ethylene homo- or copolymer component (A) has a lower weight average molecular weight as the second ethylene homo- or copolymer component (B), and the weight ratio of the first ethylene homo- or copolymer component (A) to the second ethylene homo- or copolymer component (B) is from 40:60 to 47:53; the polyethylene composition has a melt flow rate MFR5 (5 kg, 190&#xb0; C.) of equal to or more than 0.35 g/10 min to equal to or less than 0.60 g/10 min, determined according to ISO 1133. The invention further relates to a process for the production of such a polyethylene composition, an article, such as a pipe or pipe fitting comprising such a polyethylene composition and the use of such a polyethylene composition for the production of such an article.

Polyethylene composition suitable for injection moulding applications

Melt-blown fiber comprising a terpolymer of propylene, ethylene and a Cto C&#x3b1;-olefin, wherein further said melt blown fiber and/or said terpolymer has/have a melt flow rate MFR25 (230&#xb0; C.) of at least 300 g/10 min, the amount of propylene in said terpolymer is at least 90.0 wt.-%, the weight ratio of ethylene and &#x3b1;-olefin within said terpolymer is 1/100 to below 1/1, and the terpolymer has &#x3c;2,1&#x3e; regiodefects of below 0.4 mol.-% 0.10.

Terpolymer for melt blown media for air filtration

Polypropylene composition comprising a polypropylene having a melt flow rate MFR(230&#xb0; C.) of at least 450 g/10 min and a molecular weight distribution (MWD) of not more than 3.5, a polypropylene having a melt flow rate MFR(230&#xb0; C.) of equal or below 20 g/10 min, wherein the composition has a melt flow rate MFR(230&#xb0; C.) of at least 200 g/10 min.

Melt blown fibers of polypropylene compositions

A multimodal ethylene copolymer with a density of at least 940 kg/mhaving an MFRin the range of 1 to 30 g/10 min and a F/&#x3bb;ratio of less than 60 cN/s; said ethylene copolymer comprising at least three components (I) an ethylene and optionally at least one C3-20 alpha olefin comonomer component forming 30 to 60 wt % of said ethylene copolymer; (II) an ethylene and optionally at least one C3-20 alpha olefin comonomer second component forming 30 to 60 wt % of said ethylene copolymer: and (III) an ethylene and optionally at least one C3-20 alpha olefin comonomer third component forming 3 to 20 wt % of said ethylene copolymer; wherein at least one of components (II) or (III) is a copolymer.

Multimodal polymer

Melt-blown fiber (MBF) comprising a propylene copolymer (PP), wherein the melt-blown fiber (MBF) and/or the propylene copolymer (PP) has/have (a) a melt flow rate MFR(230&#xb0; C.) measured according to ISO 1133 of at least 300 g/10 min, (b) a comonomer content of 1.5 to 6.0 wt.-%, the comonomers are ethylene and/or at least one Cto C&#x3b1;-olefin, (c) &#x3c;2,1&#x3e; regiodefects of more than 0.4 mol.-% determined byC-NMR spectroscopy.

Melt blown media for air filtration

The present invention relates to a polypropylene composition showing a high melt flow rate and high melt strength while maintaining high impact strength. The composition of the present invention is obtainable by using a low molecular weight linear isotactic polypropylene as melt flow enhancer for a high molecular weight polypropylene having a high melt strength and impact strength. The inventive composition could be used for the production of different articles.

High flowability long chain branched polypropylene

Growing community of inventors

Linz, Austria

Antti Tynys