Borealis Ag

Borealis Technology Oy

Perry Nylander

Kristian Dahlen

Martin Anker

Thomas Hjertberg

Annika Smedberg

Bernt-Ake Sultan

Ola Fagrell

Mattias Bergqvist

Per-Ola Hagstrand

Villgot Englund

Roger Carlsson

Ulf Nilsson

Magnus Palmlöf

Kjell Fossum

Claes Broman

Nigel Hampton

Bjoern Voigt

Jeroen Oderkerk

Bill Gustafsson

Mats Bäckman

Alfred Campus

John Jamieson

Thomas Gkourmpis

Oscar Prieto

Stefan Hellstrom

Ruth Dammert

Christer Svanberg

Takashi Uematsu

Hans Eklind

Karl-Michael Jäger

Lena Lindbom

Bart Verheule

Jan-Ove Bostrom

Bernt-Åke Sultan

Lars-Erik Ahlstrand

Gabriel Ruess

Björn Voigt

Detlef Wald

Helmut Feichtner

Marc Brüggemann

Wilfried Kalkner

Ulf Nillson

Kristian Dahlén

Audrey Frenot Johansson

Per Ola-Hagstrand

Dahlén Kristian

ÅSa Linder

Patrik Alnegren

Kristian DAHLÉN

Thomas Steffl

Jenny-Ann ÖStlund

Kristian DAHLÈN

Bernt-ÅKe Sultan

ÅSa Hermansson

Stefan HELLSTRÖM

Jan Roger Karlsson

A process of making a cable having a conductor surrounded by at least one crosslinkable layer having a polymer composition. The polymer composition has (a) a polyolefin bearing hydrolysable silane groups and a silanol condensation catalyst compound.

Cable comprising a silane crosslinkable polymer composition

The present invention relates to a catalyst masterbatch for cross-linking a polyolefin having cross-linkable silicon-containing groups. The catalyst masterbatch includes both of a Br&#xf8;nsted acid and/or Br&#xf8;nsted acid anhydride (A); and a polyolefin (B) containing Br&#xf8;nsted acid and/or Br&#xf8;nsted acid anhydride groups. The invention also encompasses compositions of a polyolefin having cross-linkable silicon-containing groups that include the catalyst masterbatch, use of the catalyst masterbatch in a cross-linking reaction of silicon-containing polyolefins, and a cable layer that includes a polymer made using the catalyst masterbatch.

Catalyst masterbatch

A crosslinkable polymer composition includes an unsaturated polyolefin having a total amount of carbon-carbon double bonds/1000 carbon atoms of at least 0.1, at least one scorch retarder, and at least one crosslinking agent.

Scorch-retarding polymer composition

The present invention relates to a polymer composition comprising a surfactant interacting additive, and wherein the polymer composition further comprises at least one silanol condensation catalyst, wherein each catalyst is selected from: i) a compound of formula I ArSOH (I) or a precursor thereof, wherein Ar is an 1 to 4 alkyl groups substituted aryl, wherein the aryl is phenyl or naphthyl, and wherein each alkyl group, independently, is a linear or branched alkyl with 10 to 30 carbons, wherein the total number of carbons in the alkyl groups is in the range of 20 to 80 carbons; ii) a derivative of i) selected from the group consisting of an anhydride, an ester, an acetylate, an epoxy blocked ester and an amine salt thereof which is hydrolysable to the corresponding compound of formula I; and iii) a metal salt of i) wherein the metal ion is selected from the group consisting of copper, aluminum, tin and zinc; an article, for example, a coating, a wire or a cable, comprising the polymer composition, a process for producing an article and use of the polymer composition.

Polymer composition comprising a crosslinkable polyolefin with hydrolysable silane groups, catalyst and a surfactant interacting additive

The present invention relates to a polyolefin composition comprising a polyolefin base resin and an antioxidant, characterized in that said polyolefin composition has a lifetime of at least 200 h in a test measuring the resistance against ClO-containing water at 90&#xb0; C. and at a concentration of ClOof 4 ppm wherein the equipment used is according to ASTM F2263-03. The present invention further relates to a pipe comprising the polyolefin composition according to the invention, to the use of the polyolefin composition for the production of a pipe, and to the use of a particularly selected antioxidant for increasing the resistance of a polyolefin composition against degradation caused by contact with ClO-containing water.

Polyolefin composition with increased resistance to ClO2-containing water

The present invention provides a process for manufacturing polyethylene-diene-copolymer conducted in a plant including at least one compressor unit, at least one preheater unit downstream of the compressor unit and at least one reactor, in particular a reactor, downstream of the compressor unit and the preheater unit. The process comprising the steps of (a) feeding a first feed stream comprising ethylene into the at least one compressor unit and subsequently into the at least one preheater unit, and (b1) feeding a second feed stream including at least one diene comonomer to the first feed stream leaving the at least preheater unit, and feeding the combined feed streams including ethylene and the at least one diene comonomer to the at least one reactor, and/or (b2) feeding a second feed stream including at least one diene comonomer to the at least one reactor at at least one location along the reactor.

Process and plant for manufacturing polyethylene-diene-copolymers

The present invention relates to a process for manufacturing polyethylene-silane-copolymer conducted in a plant including at least one compressor unit and at least one reactor downstream of the compressor unit. The process includes the steps of (a) feeding a first feed stream including ethylene into the at least one compressor unit and subsequently to the at least one reactor, and (b1) feeding a second feed stream including at least one silane comonomer to the at least one reactor as front feed and/or (b2) feeding a second feed stream including at least one silane comonomer to the at least one reactor at at least one location along the reactor.

Process and plant for manufacturing polyethylene-silane-copolymers

A crosslinkable polymer composition having (a) a polyolefin bearing hydrolysable silane groups and a silanol condensation catalyst compound, as well as to an article, preferably a cable, thereof. A silanol condensation catalyst compound utilized for crosslinking an article, preferably a layer of a cable.

Silane crosslinkable polymer composition

The present invention relates to a polyolefin composition comprising a crosslinkable polyolefin with hydrolysable silane groups and a silanol condensation catalyst, and (A) a compound containing one or more PO(OR)(OR)(OR&#x2033;) groups, wherein R, R', and R&#x2033; are the same or different organic residues; m is 0 or 1; n, o, and p each are 0 or 1; and n+o+p=1 to 3; a master batch for a crosslinkable polyolefin composition comprising a polymer and a silanol condensation catalyst and component (A), a stabilized polyolefin containing cross-linked silane groups wherein cross-linking has been performed by the use of a silanol condensation catalyst, further comprising component (A), and to the use of component (A) for stabilizing a polyolefin composition comprising a crosslinkable polyolefin with hydrolysable silane groups and a silanol condensation catalyst. The polyolefin composition of the invention can be used for pipe, wire & cable, film, fiber and molding applications.

Discolour-free silanol condensation catalyst containing polyolefin composition

The present invention relates to a polyolefin composition comprising: a) an olefin homo- or copolymer (A), and b) activated carbon (B) as a taste and/or odor reducing agent, to the use of such a polyolefin composition, and to a pipe material and pipe having reduced taste and/or odor development comprising the above polyolefin composition.

Activated carbon as a means to reduce taste and odor from plastic materials

The present invention relates to a crosslinkable polymer composition, comprising (i) a polyolefin, (ii) a polar copolymer, and (iii) a glycerol ester compound.

Polymer compositions having improved wet ageing properties

The present invention relates to a semiconductive polymer composition comprising an olefin homo- or copolymer wherein the composition has a direct current volume resistivity of less than 1000 Ohm&#xb7;cm at 90&#xb0; C., an elongation at break which after aging for 240 hours at 135&#xb0; C. does not change by more than 25%, and a total number of structures of 20 or less in the SIED test. Furthermore, the present invention relates to an electric power cable comprising a conductor, a semiconducting layer and, adjacent to the semiconducting layer, an insulation layer, wherein the semiconducting layer is formed by said semiconductive polymer composition and to the use of said semiconducting polymer composition for the production of a semiconductive layer of an electric power cable.

Semiconductive polymer compositions

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Goeteborg, Sweden

Perry Nylander