Borealis Ag

Mattias Bergqvist

Thomas Hjertberg

Bernt-Ake Sultan

Martin Anker

Bjorn Voigt

Jeroen Oderkerk

Auli Nummila-Pakarinen

Bert Broeders

Francis Costa

Girish Suresh Galgali

Thomas Gkourmpis

Perry Nylander

Stefan Hellstrom

Kristian Dahlen

Kjell Fossum

Gabriel Ruess

Bjoern Voigt

Annika Smedberg

Per-Ola Hagstrand

Villgot Englund

Carl-Gustaf Ek

Bart Verheule

Tanja Piel

Martina Sandholzer

Ola Fagrell

Roger Carlsson

Franz Ruemer

Anh Tuan Tran

Denis Yalalov

Davide Tranchida

Takashi Uematsu

Johan Andersson

Bernt-Åke Sultan

Kenneth Johansson

Björn Voigt

Mikko Peltovuori

Urban Andreasson

Åsa Hermansson

Torbjorn Magnusson

Marcus Kierkegaard

Carl-Gustav Ek

Helmut Feichtner

Kristina Akyuz-Karlsson

Stefan HELLSTRÖM

ÅSa Hermansson

Kristina AKYÜZ Karlsson

Kristian DAHLÈN

Torbjörn Magnusson

The invention relates to a foamable ethylene polymer composition comprising at least one antioxidant, at least one process aid and at least 80 wt % of a peroxide-treated ethylene polymer composition. The foamable ethylene polymer composition has melt strength of at least 2 cN, a density of 940 to 970 kg/m3, and dissipation factor measured at 1.9 GHz of 50-80&#x2212;10. The invention further relates to a process for making such a foamable ethylene polymer composition, and use of the foamable ethylene polymer composition in a foamed cable insulation.

Foamable ethylene polymer

The invention is a polymer composition for film layer comprising less than 50 wt % of a copolymer of ethylene with silane group(s) containing units and at least 50 wt % of a thermoplastic polyolefine free from silane group(s) wherein the polymer composition has creep of less than 1 mm at 90&#xb0; C., and an adhesion above 20 N/cm. The invention relates to a laminated article with at least one film layer of the polymer composition and a substrate.

Laminated film comprising ethylene copolymer

A polymer composition with a polymer of ethylene with a comonomer with silane group(s) containing units and an additive that is an organic compound with at least one amine moiety that has a gel content less than 10 wt % after 7 days at ambient conditions and a gel content of at least 15 wt % gel content after 14 days at 100&#xb0; C. The film can be used in a laminate.

Film with moderate crosslinking

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 the use of a at least a part of a polymer layer comprising a composition (Co), the composition comprising a low density polyethylene (LDPE) produced in a tubular reactor which composition is free of additives as a thermoplastic surface of an extrusion coated structure comprising the polymer layer and a first substrate for preparing heat-sealed articles by heat-sealing of said thermoplastic surface with a second substrate; and The use of a at least a part of a polymer layer comprising a composition (Co), the composition comprising a low density polyethylene (LDPE) having

Extrusion coating of low density polyethylene and heat-sealed article made therefrom

A crosslinked polymer composition based on a plastomer, which is suitable for producing at least one layer of cable accessories like cable joints, bushings or terminations; its use for preparing such a layer and the cable accessory comprising the composition.

Crosslinked polymer composition for cable accessories

The invention is related to a process for producing modified polyethylene having decreased melt flow rate (5 kg, 190&#xb0; C.) (MFR). In particular, the present invention is directed to a process in a controlled manner for producing modified polyethylene recyclates having low MFR and low gel content directly by reactive extrusion processing.

Molecular modification of polyethylene resin

The present invention relates to low density polyethylene having a melt flow rate (MFR) according to ISO 1133 (190&#xb0; C., 2.16 kg) which is higher than 4.0 g/10 min, a storage modulus G', measured at a loss modulus G&#x2033; of 5 kPa, which is above 3000 Pa and a vinylidene content which is at least 24/100 k C, compositions, a process for production of the low density polyethylene, a low density polyethylene which is obtainable by the process, a continuous ethylene polymerization method for introducing vinylidene in a low density polyethylene, a method for an extrusion coating process or an extrusion lamination process, an article, e.g. an extrusion article, an extrusion lamination article, film blowing article, film casting article, wire and cable extrusion article, injection moulding article, blow moulding article or pipe extrusion article, and uses of the low density polyethylene.

Ethylene polymers for extrusion coating

The present invention relates to a lamination process for producing a multilayer laminate which comprises a one or more substrate element(s) and one or more polymeric layer element(s), preferably to a lamination process for producing a photovoltaic (PV) module, and to a PV module laminate.

Process for producing a multilayer laminate

The present invention relates to a polymer composition, to a layer element, preferably to at least one layer element of a photovoltaic module, comprising the polymer composition and to an article which is preferably said at least one layer of a layer element, preferably of a layer element of a photovoltaic module.

Polymer composition for a layer of a layer element

The present invention relates to a low density polyethylene having a molecular weight distribution Mw/Mn which is 15 or less, a storage modulus G', measured at a loss modulus G&#x2033; of 5 kPa, which is above 3000 Pa, a weight average molecular weight (Mw) which is between 192000 and 250000 g/mol and has a melt flow rate (MFR) according to ISO 1133 (190&#xb0; C., 2.16 kg) which is higher than 3.0 g/10 min, compositions, a process for production of the low density polyethylene, a low density polyethylene which is obtainable by the process, a continuous ethylene polymerization method for introducing vinylidene in a low density polyethylene, a method for an extrusion coating process or a method for an extrusion lamination process, an article, e.g. an extrusion article, an extrusion lamination article, film blowing article, film casting article, wire and cable extrusion article, injection molding article, blow molding article or pipe extrusion article, and uses of the low density polyethylene.

Low density polyethylene for extrusion coating

The present invention relates to a low density polyethylene having a molecular weight distribution Mw/Mn which is greater than 15, a storage modulus G' (5 kPa) which is above 3000 and a vinylidene content which is at least 15/100 k C, compositions, a process for production of the low density polyethylene, a continuous ethylene polymerization method for introducing vinylidene in a low density polyethylene, a method for an extrusion coating process, an article, e.g. an extrusion article, and use in extrusion coating.

Polyethylene

The present invention relates to a high-pressure radical ethylene polymerization process in which ethylene is polymerized with a polyunsaturated olefin comprising at least 6 carbon atoms and at least two non-conjugated double bonds of which at least one is terminal, characterized in that a polyunsaturated olefin grade is used as a starting material which yields a percentage of less than 6.3% in the zero conversion test or which has a decomposition temperature as measured by DSC of 130&#xb0; C. or more.

High-pressure radial ethylene polymerization process in which ethylene is polymerized with a specific polyunsaturated olefin grade

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

Growing community of inventors

Gothenburg, Sweden

Mattias Bergqvist