Abstract: The invention relates to hybrid fabric comprising: a high-performance polyethylene (HPPE) fiber having a tensile modulus of at least 110 GPa, preferably higher than 135 GPa, as measured according to ASTM D885M-2014; and a non-polymeric fiber, wherein the cross-sectional area of the HPPE fiber is equal to or smaller than the cross-sectional area of the non-polymeric fiber, the cross-sectional area being defined as the linear density of the fiber divided by volumetric density of the fiber. The invention also relates to a composite comprising the hybrid fabric and to an article comprising the composite.

Abstract: Particulate ultra high molecular weight polyethylene (pUHMWPE) are disclosed having an intrinsic viscosity (IV) of at least 4 dl/g, a molecular weight distribution Mw/Mn of less than 4.0, a median particle size D50 of between 50 and 200 ?m, a residual Ti-content of less than 10 ppm, a residual Si-content of less than 50 ppm, and a total ash content of less than 1000 ppm.

Abstract: The present invention relates to a multilayer hybrid composite comprising: i) at least one layer of a fabric A comprising from 0 to 20 vol % high performance polymer fibers, based on the total volume of the fabric A, and from 100 to 80 vol % fibers selected from the group consisting of glass fibers and carbon fibers, based on the total volume of the fabric A; ii) at least one layer of a fabric B comprising from 20 to 70 vol % high performance polymer fibers, based on the total volume of the fabric B, and from 80 to 20 vol % fibers selected from the group consisting of glass fibers and carbon fibers, based on the total volume of the fabric B; and iii) a matrix material, wherein the at least one layer of the fabric B is adjacent to the at least one layer of the fabric A, and wherein the concentration (vol %) of the high performance polymer fibers in the fabric B is higher than the concentration (vol %) of the high performance polymer fibers in the fabric A, and wherein the high performance polymer fibers have a

Abstract: The invention relates to a process for the preparation of a particulate ultra high molecular weight polyethylene (pUHMWPE copolymer, comprising the steps of preparing a magnesium containing carrier, loading the carrier with a organometallic compound forming a supported catalyst and contacting the supported catalyst with ethylene and at least one olefinic co-monomer under polymerization conditions, wherein the organometallic compound is of the formula R33P?N—TiCpXn.

Abstract: Particulate ultra high molecular weight polyethylene (pUHMWPE) are disclosed having an intrinsic viscosity (IV) of at least 4 dl/g, a molecular weight distribution Mw/Mn of less than 4.0, a median particle size D50 of between 50 and 200 ?m, a residual Ti-content of less than 10 ppm, a residual Si-content of less than 50 ppm, and a total ash content of less than 1000 ppm.

Abstract: The invention relates to a process for the preparation of a particulate ultra high molecular weight polyethylene (UH-MWPE), comprising the steps of preparing a magnesium containing carrier, loading the carrier with a organometallic compound forming a supported catalyst and contacting the supported catalyst with at least ethylene under polymerization conditions, wherein the organometallic compound is of the formula R33P?N—TiCpXn.

Abstract: The invention relates to a creep-optimized ultrahigh molecular weight polyethylene (UHMWPE) fiber obtained by spinning an UHMWPE comprising olefinic branches (OB) and having an elongational stress (ES), and a ratio (OB/1000 C/ES) between the number of olefinic branches per thousand carbon atoms (OB/1000 C) and the elongational stress (ES) of at least 0.2, wherein said UHMWPE fiber when subjected to a load of 600 MPa at a temperature of 70° C., has a creep lifetime of at least 90 hours.

Abstract: The invention relates to a process for the preparation of a particulate ultra high molecular weight polyethylene (UHMWPE), comprising the steps of preparing a magnesium containing carrier, loading the carrier with a organometallic compound forming a supported catalyst and contacting the supported catalyst with at least ethylene under polymerization conditions, wherein the organometallic compound is of the formula R33P?N—TiCpXn.

Abstract: The invention relates to a process for the preparation of a particulate ultra high molecular weight polyethylene (pUHMWPE copolymer, comprising the steps of preparing a magnesium containing carrier, loading the carrier with a organometallic compound forming a supported catalyst and contacting the supported catalyst with ethylene and at least one olefinic co-monomer under polymerization conditions, wherein the organometallic compound is of the formula R33P?N—TiCpXn.

Abstract: The invention relates to a process for the production of an ultra-high molecular weight polyethylene ((U)HMWPE) article comprising: —copolymerizing ethylene with a linear, branched or cyclic polyene having 3 to 100 carbon atoms, resulting in a copolymer of ethylene and polyene ((U)HMWPE-P), using such a content of polyene that the number of polyene branches in (U)HMWPE-P is 0.01 to 15 on the average per 1000 carbon atoms; —cross-link the (U)HMWPE-P during or after molding the (U)HMWPE-P.

Abstract: The invention relates to a method for the preparation of a catalyst suitable for the polymerisation of an olefin by contacting a magnesium compound with a halogenized group 4 or 5 metal compound, wherein the magnesium compound is obtained by the reaction of a solution of an organomagnesium compound with a silicon mixture or compound, characterized in that (a) the organomagnesium compound solution is obtained by contacting metallic magnesium Mg with an aromatic halide RX and an ether R0, wherein R is an aromatic group containing 6 to 20 carbons and X is a halide, and (b) the silicon mixture or compound is the product obtained by mixing or reacting a hydrocarbyl halide silane with an alkoxy group or aryloxy group containing silane compound.