Abstract: 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.

Abstract: The present invention relates to a polymer composition, which is a silanol condensation catalyst masterbatch, comprises a matrix, comprising a silane containing drying agent, and at least one silanol condensation catalyst, wherein each catalyst has a water content which is 0.

Abstract: 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 Brønsted acid and/or Brønsted acid anhydride (A); and a polyolefin (B) containing Brønsted acid and/or Brønsted 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.

Abstract: 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.

Abstract: 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 ArSO3H (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

Abstract: 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.

Abstract: 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 ArSO3H (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

Abstract: The present invention relates to a polymer composition, which is a silanol condensation catalyst masterbatch, comprises a matrix, comprising a silane containing drying agent, and at least one silanol condensation catalyst, wherein each catalyst has a water content which is 0.

Abstract: 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 ArSO3H (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

Abstract: The present invention relates to crosslinkable polymer composition, comprising 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.

Abstract: 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 ClO2-containing water at 90° C. and at a concentration of ClO2 of 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 ClO2-containing water.

Abstract: 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.

Abstract: 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.

Abstract: The present invention relates to a cable construction comprising one or more layer elements, which layer elements comprise a first composition, wherein the first composition comprises: 20 to 80 weight percent of a vinyl chloride resin and 1 to 40 weight percent of an epoxidized ester of fatty acids and a monomeric polyol, which epoxidized ester is a compound of formula (I) wherein the compound of formula (I) has an amount of double bonds corresponding to an Iodine value of 2 or less, a power cable, process for producing a cable construction, and a crosslinked cable construction obtainable by the process.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: The present invention relates to a catalyst masterbatch for cross-linking a polyolefin comprising cross-linkable silicon-containing groups comprising a Brønsted acid and/or Brønsted acid anhydride (A); and a polyolefin (B) containing Brønsted acid and/or Brønsted acid anhydride groups. The present invention further relates to a polyolefin composition comprising a polyolefin (C) comprising cross-linkable silicon-containing groups; a Brønsted acid and/or Brønsted acid anhydride; and a polyolefin (B) containing Brønsted acid and/or Brønsted acid anhydride groups. The present invention further relates to the use of the catalyst masterbatch according to the invention for cross-linking a polyolefin composition comprising a polyolefin with cross-linkable silicon-containing groups (C).

Abstract: 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 POm(OnR)(OoR)(OpR?) groups, wherein R, R?, and R? 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.

Abstract: The present invention relates to a polyethylene composition comprising: a) a polyethylene having cross-linkable silicon-containing groups (A); and b) a masterbatch comprising—one or more additives; and—a carrier comprising a C3-C5 alpha-olefin homo or copolymer (B). The present invention further relates to a cross-linked polyethylene composition obtainable by treating the composition according to any one of the preceding claims under cross-linking conditions. The present invention also relates to the following uses: Use of a masterbatch comprising—an additive; and—a carrier comprising a C3-C5 alpha-olefin homo- or copolymer (B) for adding an additive to a polyethylene with cross-linkable silicon-containing groups. Use of C3-C5 alpha-olefin homo- or copolymer (B) as carrier for additive(s) to improve the performance of a silanol condensation catalyst when cross-linking a polyethylene composition further comprising a polyethylene with cross-linkable silicon-containing groups.