Borealis Ag

Abu Dhabi Polymers Co. Ltd (borouge) Llc.

Abu Dhabi Polymers Company Limited

Tanja Piel

Jeroen Oderkerk

Martin Anker

Daniela Mileva

Bernt-Ake Sultan

Oscar Prieto

Jari-Jussi Ruskeeniemi

Stefan Hellström

Per-Ola Hagstrand

Bert Broeders

Francis Costa

Stefan Hellstrom

Girish Suresh Galgali

Bart Verheule

Yi Liu

Floran Prades

Mattias Bergqvist

Alexandra Romina Albunia

Klaus Bernreitner

Martina Sandholzer

Joseph Thorman

Thomas Hjertberg

Markku Vahteri

Ravindra Tupe

Dusan Jeremic

Jarmo Kela

Svein Jamtvedt

Antti Tynys

Qizheng Dou

Andrey Buryak

Hermann Prokschi

Udo Wahner

Bernt-Åke Sultan

Mattias Berqvist

Cindy Xin Wang

Klaus Bernreiter

Juha Hartikainen

Stefan HELLSTRÖM

The present invention is directed to a layer of an electrical device a photovoltaic module comprising at least one photovoltaic element and at least one layer comprising a polypropylene composition and to the use of a polypropylene composition for producing at least one layer of an element of a photovoltaic module.

Polypropylene composition for producing a layer of a photovoltaic module

The present invention discloses a process for providing a cross-linked composition, the process comprising the steps of (a) providing an ethylene-α-olefin plastomer having—a density of from 850 kg/mto 900 kg/m; and—an melt flow rate (ISO 1133, 2.16 kg, 190° C.) of 0.3 to 50 g/10 min; (b) grafting the ethylene-α-olefin plastomer with silane crosslinker such that the content of silane crosslinker is in the range of 0.1 to 10.0 wt. % with respect to the grafted ethylene-α-olefin plastomer; (c) contacting said grafted ethylene-α-olefin plastomer with 2 to 8 wt. % of a tin-free silane crosslinking catalyst with respect to the resulting mixture of grafted ethylene-α-olefin plastomer and tin-freesilane crosslinking catalyst, wherein said tin-free catalyst comprises a Brönsted acid at 23° C. and 50% relative humidity for at least 15 minutes thus forming a cross-linked composition, wherein gel content of said cross-linked composition after 15 min is at least 60%.

High speed cross-linking of grafted plastomers

Articles comprising a polymer composition, wherein the polymer composition is obtainable by grafting an ethylene copolymer with comonomer units comprising hydrolysable silane groups, wherein the polymer composition shows high gel content and low compression set at −25° C. These articles have applications in automotive weather-stripping, such as sealing systems for doors, trunks and hoods.

Cross-linked plastomers as a replacement for rubber

The present invention provides a polyolefin composition, said composition comprising a terpolymer comprising a cross-linkable polyolefin comprising hydrolysable silane groups and a polar comonomer, the polyolefin composition further comprising a cross-linking catalyst and a silicon containing compound. The polar comonomer Is present in an amount of 5-35 wt %.

Rubber replacement material comprising terpolymers

The present invention relates to silane crosslinking catalyst comprising: &#x2014;75 to 85 wt.-% of an olefin acrylate interpolymer and&#x2014;15 to 25 wt.-% of a hindered amine light stabilizer (HALS) having a number average molecular weight Mn of 1500 to 4000 g/mol; and&#x2014;optionally up to 5 wt.-% wax, wherein the silane crosslinking catalyst is free of tin, carboxylic acid(s) and sulphonic acid(s), all weight percentages with respect to the total weight of the silane crosslinking catalyst.

Low speed cross-linking catalyst for silane-grafted plastomers

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

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 multimodal polyethylene composition which can be manufactured into pipes showing improved pressure resistance comprising a high density multimodal ethylene polymer component (A) having a density of at least 930 kg/m, and a MFRof not more than 15 g/10 min, wherein said composition exhibits a LAOS-NLF defined as 

Multimodal polyethylene composition with high pressure resistance

The present invention relates to a polyolefin composition with increased resistance to degradation caused by ClO-containing water and to a pipe or a fitting made of such a polyolefin composition. The polyolefin composition comprises a polyolefin base resin (A), an antioxidant (B) having a chroman-6-ol structure, and an antioxidant (C) having a phenolic structure and the molecule comprises at least one ester group. The present invention further relates to the use of the polyolefin composition for the production of a pipe or a fitting and to the use of the polyolefin composition for increasing the lifetime of a pipe or a fitting providing the polyolefin composition with resistance against degradation caused by contact with ClO-containing water.

Polyolefin composition for pipes and fittings with increased resistance to chlorine dioxide

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

A process for polymerizing ethylene in the presence of a polymerization catalyst by copolymerizing ethylene with a comonomer selected from the group of C4-C10 alpha-olefins in three polymerization stages. The polymers produced in the three stages have different melt flow rates. The polymer composition produced by the process has good mechanical properties and can be used for making pipes. The process has a good productivity and provides a stable and economic operation.

Multistage process for producing polyethylene compositions

The present invention relates to the use of a polyolefin composition for water pipes or fittings with increased resistance to degradation caused by chlorine dioxide-containing water, particularly to the use of a combination of particular types of antioxidants for increasing the resistance of a polyolefin composition against degradation caused by contact with chlorine dioxide-containing water.

Use of a polyolefin composition for pipes and fittings with increased resistance to chlorine dioxide

The present invention deals with the use of pipes made of cross-linked polyethylene for transporting water containing chlorine dioxide. Cross-linked polyethylene has a resistance of more than 3500 hours against water treated with chlorine dioxide when tested according to a modified method of ASTM F2263-03. Especially, the pipes made of cross-linked polyethylene can be used for transporting drinking water which had been disinfected by using chlorine dioxide.

Chlorine dioxide resistant polyethylene pipes, their preparation and use

The present invention relates to a polyolefin composition with good resistance to degradation caused by chlorine dioxide-containing water and at the same time showing low migration of the used additives and its decomposition products, especially phenols, out of the composition. The present invention is also directed to a pipe made of such a polyolefin composition. The present invention further relates to the use of the polyolefin composition for the production of a pipe and to the use of a combination of particular types of antioxidants for increasing the resistance of a polyolefin composition against degradation caused by contact with chlorine dioxide-containing water and for maintaining at the same time a low migration of the used additives and its decomposition products, especially phenols, out of the polyolefin composition.

Growing community of inventors

Linz, Austria

Tanja Piel