Abstract: The present invention relates to a polyolefin composition comprising a first heterophasic propylene copolymer and a second heterophasic propylene copolymer, wherein the first heterophasic propylene copolymer comprises: from 70-90 wt % of a first polypropylene having a melt flow index of from 55-85 g/10 min as measured according to ISO 1133 (2.16 kg and 230° C.), from 10-30 wt % of a first ethylene ?-olefin copolymer having a melt flow index of from 2.5-5.0 g/10 min in accordance with ISO 1133 (2.16 kg and 230° C.), the respective amounts of first polypropylene and first ethylene ?-olefin copolymer being based on the weight of the first heterophasic propylene copolymer and wherein the second heterophasic propylene copolymer comprises: from 60-85 wt % of a second polypropylene having a melt flow index of from 50-100 g/10 min as measured according to ISO 1133 (2.16 kg, 230° C.), from 15-40 wt % of a second ethylene ?-olefin copolymer having a melt flow index of from 0.050-0.

Abstract: The present invention relates to a process for the production of ethylene polymers in a tubular reactor comprising reacting in said tubular reactor a feed composition comprising ethylene and one or more composition comprising one or more cyclic olefin wherein the cyclic olefin is a compound having the structure of Formula (I): wherein R may be a moiety comprising ?1 and ?10 carbon atoms; wherein R1 and R2 may each individually be hydrogen or a moiety comprising ?1 and ?5 carbon atoms, R1 and R2 may be the same or different; wherein ? the tubular reactor may be operated at a pressure of ?200 and ?280 MPa; ? the average reaction peak temperature may be ?220° C. and ?300° C.; ? the composition comprising one or more cyclic olefin may be fed to the reactor in one or more feed inlet of said tubular reactor; and ? said cyclic olefin may be fed to the tubular reactor in quantities of ?1.0 mol %, with regards to the total feed composition.

Abstract: The present invention relates to an ethylene polymer comprising moieties according to formula (I): wherein R is a moiety comprising ?1 and ?10 carbon atoms; wherein the ethylene polymer has a molecular weight distribution of ?3.0 and ?13.0; the ethylene polymer has a melting temperature of ?115° C.; the ethylene polymer has a density ?935 and ?960 kg/m3; the ethylene polymer is essentially free from chromium, hafnium, zirconium and tetrahydrofuran; for the fraction of the ethylene polymer having a molecular weight ?100 kg/mol, the intrinsic viscosity of the ethylene polymer is related to the molecular weight according to the inequality: log I. V. <0.65*log M?3.10 Such polymers have high density, high purity and good processability, whilst maintaining barrier properties for oxygen and water vapour at a level similar to high-density polyethylenes produced via catalytic processes.

Abstract: The present invention relates to an ethylene polymer comprising moieties according to Formula (IB): wherein R is a moiety comprising ?1 and ?10 carbon atoms; wherein R1 and R2 are each individually hydrogen or a moiety comprising ?1 and ?5 carbon atoms, R1 and R2 may be the same or different; wherein the ethylene polymer has a molecular weight distribution of ?3.0 and ?40.0; the ethylene polymer has a melting temperature of ?115° C.; the ethylene polymer has a density ?935 and ?960 kg/m3; the ethylene polymer is essentially free from chromium, hafnium, zirconium and tetrahydrofuran; for the fraction of the ethylene polymer having a molecular weight >100 kg/mol, the intrinsic viscosity of the ethylene polymer is related to the molecular weight according to the inequality: log I.V.<0.65*log M?3.

Abstract: The present invention relates to a polymer composition for use in thermal spray coating application comprising an ?-olefin homopolymer or copolymer, a functionalized ?-olefin homopolymer or copolymer, a polyolefinic elastomer and an anti-corrosion additive. Such polymer compositions have a good long-term corrosion resistance, good coating to substrate adhesion, good long-term adhesion and good long-term weather resistance.

Abstract: A process for increasing purity of a low density polyethylene (LDPE) composition, comprising the steps of: a) providing a melted composition comprising LDPE having Mn of at least 5.0 kg/mol according to size exclusion chromatography, Mw of at least 50 kg/mol according to size exclusion chromatography, a density of 915 to 935 kg/m3 according to ISO1183 and a melt flow rate of 0.10 g/10 min to 80 g/10 min according to ISO1133:2011 measured at 190° C. and 2.16 kg, and b) providing particles from the melted composition by: b1) mixing a supercritical fluid in the melted composition to obtain a solution saturated with the supercritical fluid and b2) expanding the solution through an opening to obtain the particles.

Abstract: A process for preparing an ethylene copolymer in the presence of free-radical polymerization initiator at pressures from 150 MPa to 350 MPa and temperatures from 100° C. to 350° C., by copolymerizing ethylene and a comonomer having a C?C bond and optionally further comonomers, wherein the comonomer having the C?C bond is represented by formula wherein R1 is hydrogen or methyl; X1 is —CO—O— or —CO—NH—; R2 is —CH2—O—, —O—CO—, —Si(CH3)2—, —Si(CH3)2—O— or —CR5R6— wherein R5 and R6 are independently selected from hydrogen, methyl, ethyl and hydroxyl; n is an integer from 1 to 32 and R2 is same or different from each other when n is 2 to 32; and R3 is —C?C— and R4 is hydrogen, C1-C10 linear or branched alkyl, C1-C10 linear or branched hydroxyalkyl or phenyl, or the unit R3-R4 stands for wherein X2 is F, Cl, Br or I.

Abstract: The present invention relates to a polyolefin composition comprising a first heterophasic propylene copolymer and a second heterophasic propylene copolymer, wherein the first heterophasic propylene copolymer comprises: from 70-90 wt % of a first polypropylene having a melt flow index of from 55-85 g/10 min as measured according to ISO 1133 (2.16 kg and 230° C.), from 10-30 wt % of a first ethylene ?-olefin copolymer having a melt flow index of from 2.5-5.0 g/10 min in accordance with ISO 1133 (2.16 kg and 230° C.), the respective amounts of first polypropylene and first ethylene ?-olefin copolymer being based on the weight of the first heterophasic propylene copolymer and wherein the second heterophasic propylene copolymer comprises: from 60-85 wt % of a second polypropylene having a melt flow index of from 50-100 g/10 min as measured according to ISO 1133 (2.16 kg, 230° C.), from 15-40 wt % of a second ethylene ?-olefin copolymer having a melt flow index of from 0.050-0.

Abstract: The invention relates to a high pressure polymerisation process for the preparation of the polyethylene wherein the polymerisation process takes place in the presence of a cobalt containing complex. The cobalt containing complex may be a complex according to Formula (I): Formula (I) wherein y1, y2, y3 and y4 may, independently of one another be the same or different, H, (C1C20) alkyl, (C5-C20) cycloalkyl, (C6-C10) aryl radical, phenyl or hydroxy-phenyl.

Abstract: The invention relates to a high pressure polymerisation process for the preparation of the polyethylene wherein the polymerisation process takes place in the presence of a cobalt containing complex. The cobalt containing complex may be a complex according to Formula (I): Formula (I) wherein y1, y2, y3 and y4 may, independently of one another be the same or different, H, (C1C20) alkyl, (C5-C20) cycloalkyl, (C6-C10) aryl radical, phenyl or hydroxy-phenyl.

Abstract: The invention relates to a process for producing a modified polypropylene composition comprising a step of adding at least one organic peroxide, a poly(n)functional acrylate, with n?2, as co-agent, in a peroxide:co-agent mass ratio of from 1:0.4 to 1:5, and an acid scavenging compound, to a heterophasic propylene copolymer comprising from 50 to 99% by mass of a matrix phase, based on the total mass of the heterophasic propylene copolymer, comprising a propylene homopolymer and/or a propylene copolymer comprising at least 70% by mass of propylene and up to 30% by mass ethylene, based on the total mass of the matrix phase polymer, and/or at least one C4 to C10 alpha-olefin, and from 1 to 50% by mass dispersed phase, based on the total mass of the heterophasic propylene copolymer, comprising an ethylene-alpha-olefin elastomer consisting of more than 20% by mass ethylene and up to 80% by mass of at least one C3 to C10 alpha-olefin, based on the total mass of the dispersed phase elastomer.

Abstract: The invention relates to a polypropylene composition comprising: (i) 30-97 wt. % of a polypropylene; (ii) 2-20 wt. % of a branched low density polyethylene with a density between 910 and 935 kg/m3 and a Melt Flow Index (MFI) between 0.1 and 100 g/10 min; (iii) 1-20 wt. % of a copolymer of ethylene and a C3-C20 ?-olefin with a density between 840 and 890 kg/m3 and a Melt Flow Index (MFI) between 0.1 and 100 g/10 min; and (iv) 0.5-60 wt. % of a filler, wherein wt. % are calculated on the total amount of the polypropylene composition.

Abstract: The invention relates to a process for the preparation of a copolymer of ethylene and a monomer copolymerizable therewith. The polymerization takes place in a tubular reactor at a peak temperature between 290° C. and 350° C., the co monomer is a di- or higher functional (meth)acrylate and the co monomer is applied in an amount between 0.008 mol % and 0.200 mol % relative to the amount of ethylene copolymer.

Abstract: The invention relates to an extrusion coating composition comprising an ethylene copolymer. The ethylene copolymer is obtained with a process wherein the polymerisation takes place in a tubular reactor at a peak temperature between 300° C. and 350° C. and wherein the co monomer is a bifunctional ?,?-alkadiene.

Abstract: The invention relates to a polypropylene composition comprising: (i) 30-97 wt. % of a polypropylene; (ii) 2-20 wt. % of a branched low density polyethylene with a density between 910 and 935 kg/m3 and a Melt Flow Index (MFI) between 0.1 and 100 g/10 min; (iii) 1-20 wt. % of a copolymer of ethylene and a C3-C20 ?-olefin with a density between 840 and 890 kg/m3 and a Melt Flow Index (MFI) between 0.1 and 100 g/10 min; and (iv) 0.5-60 wt. % of a filler, wherein wt. % are calculated on the total amount of the polypropylene composition.

Abstract: The invention relates to a process for the preparation of a copolymer of ethylene and a monomer copolymerisable therewith. The polymerisation takes place in a tubular reactor at a peak temperature between 290° C. and 350° C., the co monomer is a di- or higher functional (meth)acrylate and the co monomer is applied in an amount between 0.008 mol % and 0.200 mol % relative to the amount of ethylene copolymer.