Basell Polyolefine Gmbh

Basf Aktiengesellschaft

Basell Polypropylen Gmbh

Novolen Technology Holdings, C.v.

Elenac Gmbh

Bassel Polylefine Gmbh

Shahram Mihan

Dieter Lilge

Jennifer Kipke

Rainer Karer

Iakovos Vittorias

Günther Schweier

Gerhardus Meier

Bernd Lothar Marczinke

Martin Schneider

Paulus De Lange

Martin Lux

Johannes-Friedrich Enderle

Barbara Gall

Volker Dolle

Franz Langhauser

Peter Bauer

Roland Hingmann

Ulf Schüller

Jens Wiesecke

Volker Rauschenberger

Marc Oliver Kristen

G&uuml;nther Schweier

Markus Enders

Ursula Rief

Udo Handrich

Johannes Hack

Gunter Ludwig

Ralph Rudolph

Wolfgang Rohde

Gerd Mannebach

Kaspar Evertz

Meinolf Kersting

Philipp Rosendorfer

Andreas Deckers

Bernhard Rieger

Dieter Littmann

Dieter Horn

Guido Funk

Ulf Schueller

Andrei Gonioukh

Ingolf Hennig

Benno Bildstein

Roland Saive

Joachim Wulff-Döring

Hans-Helmut Görtz

Thomas Herrmann

Michael Malaun

Stephan Lehmann

Christoph Amort

Werner Schöne

David Appleyard

Murray Horton

Florian Stricker

Helmut Auweter

Joachim Berthold

Manfred Hecker

Wolfgang Bidell

Andre-Armand Finette

Heinz Vogt

Stephan Hüffer

Stephan Schmitz

Rainer Konrad

Heike Gregorius

Harald Schmitz

Peter Eibeck

Diana Doetsch

Stephan H&uuml;ffer

Stefan Seelert

Wolfgang Micklitz

Juergen Wortmann

Eleonora Ciaccia

Joachim R&ouml;sch

Siegfried Weber

Lenka Lukesova

Petra Neumann

Joachim Rösch

Maclovio Herrera Salinas

Markus Busch

Jürgen Suhm

Dieter Boes

Guido Seifert

Uwe Faller

Sharam Mihan

Sebastian Weiand

Johannes-Gerhard Müller

Markus Endres

Michael Witt

Thomas Perner

Michael D Wolkowicz

Jan Göhre

Klaus Föttinger

Günther Pfirrmann

Guido Bürger

Günter Hatzmann

Guido Küpper

Randolf K&ouml;hn

J&uuml;rgen Suhm

Klaus Foettinger

Eike Kretzschmar

Monomodal copolymers of ethylene and molding compositions comprising such copolymers, wherein the copolymers have a density determined according to DIN EN ISO 1183-1, variant A in the range from 0.938 to 0.944 g/cm, a melt index MFRdetermined according to ISO 1133 at 190&#xb0; C. under a load of 21.6 kg in the range from 12 to 17 g/10 min, a weight average molar mass Min the range from 140 000 g/mol to 330 000 g/mol, a polydispersity M/Min the range from 9 to 17, and a content of comonomer side chains per 1000 carbon atoms Cequal to or above a value defined via equation (I) C=128.7&#x2212;134.62&#xd7;d', wherein d&#x2032; is the numerical value of the density of the copolymer in g/cm, the use of the copolymers for producing injection-molded articles, as well as injection-molded articles comprising the copolymers, and process for the preparation of such monomodal copolymers.

Monomodal copolymer of ethylene for injection molding and process for its preparation

The present disclosure provides a low density polyethylene (LDPE) having (A) a density from 0.910 to 0.924 g/cm, determined according to ISO 1183 at 23&#xb0; C.; (B) an elongational hardening of at least 4.2, at 150&#xb0; C. at an elongational rate of 1 s; (C) a ratio Mw/Mn of at least 18, where (i) Mw is the weight average molar mass, measured by a MALLS detector coupled to a GPC, and (ii) Mn is the number average molar mass, measured by GPC (Gel Permeation Chromatography); and (D) a Mw of at least 230,000 g/mol. The present disclosure also provides an article of manufacture made from or containing (A) a substrate and (B) a coating layer made from or containing the disclosed LDPE. The present disclosure further provides a polymerization process occurring (A) in the presence of oxygen as the only radical initiating agent and (B) in the absence of solvents.

Low density polyethylene with high elongation hardening

The present disclosure relates to a polyethylene composition with improved swell ratio and mechanical properties for use in preparing blow-molded articles and having the following features:

Polyethylene processes for producing compositions having high swell ratio

The present disclosure relates to a polyethylene composition with improved swell ratio and mechanical properties for use in preparing blow-moulded articles and having the following features:

Polyethylene composition having high swell ratio

The present disclosure relates to a polyethylene composition with improved swell ratio and mechanical properties, particularly suited for preparing blow-moulded articles, said composition having the following features:

Polyethylene composition with improved balance of environmental stress cracking resistance (FNCT) and impact resistance (Charpy), particularly suited for preparing pipes, said composition having the following features:

Polyethylene composition having high mechanical properties

Polyethylene composition with improved swell ratio and mechanical properties, particularly suited for preparing blow-molded articles, said composition having the following features: 1) density from 0.945 to less than 0.952 g/cm; 2) ratio MIF/MIP from 15 to 30; 3) Shear-Induced Crystallization Index SIC from 2.5 to 5.5.

Polyethylene composition with improved swell ratio and mechanical properties, particularly suited for preparing blow-moulded articles, said composition having the following features:

Process for preparing ethylene copolymers in the presence of free-radical polymerization initiator at pressures in the range of from 160 MPa to 350 MPa and temperatures in the range of from 100&#xb0; C. to 350&#xb0; C. in a tubular reactor by copolymerizing ethylene, a bi- or multifunctional comonomer and optionally further comonomers, wherein the bi- or multifunctional comonomer bears at least two different functional groups, of which at least one is a unsaturated group, which can be incorporated into the growing polymer chain, and at least another functional group can act as chain transfer agent in radical ethylene polymerization, ethylene copolymers obtainable by such a process, the use of the ethylene copolymers for extrusion coating and a process for extrusion coating a substrate selected from the group consisting of paper, paperboard, polymeric film, and metal, with such ethylene copolymers.

Process for the preparation of ethylene copolymers in the presence of free-radical polymerization initiator by copolymerizing ethylene, a bi- or multifunctional comonomer and optionally further comonomers

Novel polyethylenes having defined molecular weight distribution and LCB structure are devised, for films or moldings.

Polyethylene composition and finished products made thereof

New ethylene polymers having broad molecular weight distribution and long-chain branching, above all at high molecular weight fractions; the polymers have strain hardening equal or higher than 1.4 (at constant elongational rate of 0.5 s, at 150&#xb0; C.), branching index g' equal or lower than 0.9 (at Mw of 2&#xb7;10g/mol). The polymers are prepared by using a mixed catalyst system comprising a polymerization catalyst based on a late transition metal component having a tridentate ligand, and a Ziegler polymerization catalyst annealed at a temperature higher than 100&#xb0; C., for a time of at least 10 minutes.

Process for the polymerization of ethylene, and ethylene polymers having broad molecular weight distribution and long-chain branching

Catalysts suitable for preparation of a polyethylene which comprises ethylene homopolymers and/or copolymers of ethylene with 1-alkenes and has a molar mass distribution width M/Mof from 5 to 30, a density of from 0.92 to 0.955 g/cm, a weight average molar mass Mof from 50000 g/mol to 500 000 g/mol and has from 0.01 to 20 branches/1000 carbon atoms and a z-average molar mass Mof less than 1 million g/mol.

Catalyst composition for preparation of polyethylene

A process for preparing polyethylene which comprises ethylene homopolymers and/or copolymers of ethylene with 1-alkenes and has a molar mass distribution width M/Mof from 5 to 30, a density of from 0.92 to 0.955 g/cm, a weight average molar mass Mof from 50000 g/mol to 500 000 g/mol and has from 0.01 to 20 branches/1000 carbon atoms and a z-average molar mass Mof less than 1 million g/mol.

Process for preparing ethylene copolymers

A transparent high density polyethylene (HDPE) sheet is disclosed. The sheet has a thickness greater than or equal to 0.05 mm and a bulk haze less than 2%. The HDPE resin is converted into a sheet by thermal processing and the sheet is then uniaxially oriented at a temperature above the melting point of the HDPE resin. The transparent HDPE sheet of the invention can be used for windows and plastic containers.

Preparation of transparent high density polyethylene sheets

A polyethylene which comprises ethylene homopolymers and/or copolymers of ethylene with 1-alkenes and has a molar mass distribution width M/Mof from 5 to 30, a density of from 0.92 to 0.955 g/cm, a weight average molar mass Mof from 50000 g/mol to 500 000 g/mol and has from 0.01 to 20 branches/1000 carbon atoms and a z-average molar mass Mof less than 1 million g/mol, a process for its preparation, catalysts suitable for its preparation and also films in which this polyethylene is present.

Polyethylene and catalyst composition for its preparation

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Limburgerhof, Germany

Dieter Lilge