Borealis Ag

Kristian Dahlen

Perry Nylander

Martin Anker

Thomas Hjertberg

Roger Carlsson

Kjell Fossum

Bernt-Ake Sultan

Ola Fagrell

Mattias Bergqvist

Thomas Gkourmpis

Bjoern Voigt

Oscar Prieto

Stefan Hellstrom

Bart Verheule

Bernt-Åke Sultan

Gabriel Ruess

Helmut Feichtner

Jan Roger Karlsson

Stefan HELLSTRÖM

ÅSa Hermansson

Bernt-ÅKe Sultan

The invention relates to a crosslinkable polymer composition comprising (a) a polyolefin bearing hydrolysable silane groups and a silanol condensation catalyst compound, as well as to an article, preferably a cable, thereof. Also the use of the silanol condensation catalyst compound for crosslinking an article, preferably a layer of a cable is provided.

Silane crosslinkable polymer composition

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 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 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.

The present invention relates to a polyolefin composition comprising (A) a crosslinkable polyolefin with hydrolysable silane groups which upon hydrolysation form an acid or a base, characterised in that the acid or base generates a gel content of at least 40% after 40 hours in the 90&#xb0; C. cross-linking test, wherein the acid or base is added in an amount of 4.5 mmol/kg to an ethylene/vinyltrimethoxysilane copolymer with a MFR=2 g/10 min, a density of 923 g/cm, and 2 wt. % of vinyltrimethoxysilane and then is cross-linked in a waterbath at 90&#xb0; C., and to a polyolefin composition comprising (i) a crosslinkable polyolefin with hydrolysable silane groups, and (ii) a non-polymeric compound with hydrolysable silane groups which upon hydrolysation form an acid or a base, characterised in that the acid or base generates a gel content of at least 40% after 40 hours in the 90&#xb0; C. cross-linking test, wherein the acid or base is added in an amount of 4.5 mmol/kg to an ethylene/vinyltrimethoxysilane copolymer with a MFR=2 g/10 min, a density of 923 g/cm, and 2 wt. % of vinyltrimethoxysilane and then is cross-linked in a waterbath at 90&#xb0; C.

Crosslinkable polyolefin composition comprising silane groups forming an acid or a base upon hydrolysation

The present invention relates to a polyolefin composition comprising a cross-linkable polyolefin with

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Stora Hoga, Sweden

Kristian Dahlen