Abstract: The present invention relates to an ethylene polymerization process, the process comprising: contacting at least one catalyst composition with ethylene, optionally hydrogen, and optionally one or more olefin comonomers; and polymerizing said ethylene and the optional one or more olefin comonomers, in the presence of the at least one catalyst composition, and optional hydrogen, thereby obtaining a polyethylene, wherein the at least one catalyst composition comprises: catalyst component A comprising a bridged metallocene compound with a substituted or unsubstituted cyclopentadienyl group and a substituted or unsubstituted fluorenyl group; catalyst component B comprising a bridged metallocene compound with two indenyl groups, each indenyl being independently substituted with one or more substituents, wherein at least one of the substituents is an unsubstituted or substituted aryl or heteroaryl; wherein the unsubstituted or substituted aryl or heteroaryl is not on the position 3 and/or 5 of each indenyl, and an o

Abstract: The present invention relates to a catalyst composition comprising: catalyst component A comprising the meso form of a bridged metallocene compound with two indenyl groups, each indenyl being independently substituted with one or more substituents, wherein at least one of the substituents is on position 3 and/or 5 of each indenyl, and wherein at least one of the substituents is an aryl or heteroaryl; wherein the meso/rac ratio of the meso form of the bridged metallocene compound of catalyst component A is 95:5 or greater, as determined using 1H NMR; preferably wherein the aryl or heteroaryl substituent is on the 3-position of each indenyl; catalyst component B comprising a bridged metallocene compound with two indenyl groups, each indenyl being independently substituted with one or more substituents, wherein at least one of the substituents is an unsubstituted or substituted aryl or heteroaryl; and wherein the unsubstituted or substituted aryl or heteroaryl is not on position 3 and/or 5 of the indenyl; and an

Abstract: The present invention relates to a catalyst composition comprising: catalyst component A comprising the meso form of a bridged metallocene compound with two indenyl groups, each indenyl being substituted with one or more substituents, wherein at least one of the substituents is an aryl or heteroaryl; wherein the meso/rac ratio of the meso form of the bridged metallocene compound of catalyst component A is 95:5 or greater; catalyst component B comprising a bridged metallocene compound with a substituted or unsubstituted cyclopentadienyl group and a substituted or unsubstituted fluorenyl group; and an optional activator; an optional support; and an optional co-catalyst. The present invention also relates to a polymerization process using said composition. The invention further relates to olefin polymers at least partially catalyzed by said catalyst composition and articles comprising said olefin polymers.

Abstract: The present invention relates to a catalyst of Formula (I) wherein R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, L1, M1, Q1 and Q2 have the meaning defined in the description and claims. The present invention also relates to a catalyst composition comprising at least one catalyst according to the invention. an optional activator: an optional support: and an optional co-catalyst. The present invention also relates to the use of a catalyst or catalyst composition according to the invention for the preparation of an olefin polymer. The present invention also relates to an olefin polymerization process. the process comprising: contacting a catalyst or a catalyst composition according to the invention, with an olefin monomer, optionally hydrogen, and optionally one or more olefin comonomers: polymerizing the monomer, and the optionally one or more olefin comonomers, in the presence of the at least one catalyst composition, and optional hydrogen, thereby obtaining an olefin polymer.

Abstract: The present invention relates to a polyethylene resin prepared using a continuous process having and at least one metallocene catalyst composition: a molecular weight distribution Mw/Mn lower than 6.5; a molecular weight distribution Mw/Mn of at least 3.5; a melt index ranging from an HLMI of at least 1.20 g/10 min to an MI2 of at most 6.0 g/10 min wherein MI2 is determined according to ISO 1133:1997 at a temperature of 190° C. and under a load of 2.16 kg, and HLMI is determined according to ISO 1133:1997, at a temperature of 190° C. and under a load of 21.6 kg; melt index ratio HLMI/MI2 below or equal to 30; and a melt strength of X in Newtons, as determined by Göttfert Rheotens Melt Strength Apparatus, 190° C., as described in the Experimental section, satisfying the following equations (1) and/or (2) X is greater than ?0.026 ln(MI2)+0.0498??(1) X is greater than ?0.026 ln(HLMI)+0.1334??(2) with Mw being the weight-average molecular weight and Mn being the number-average molecular weight.

Abstract: The present invention relates to a catalyst composition comprising: catalyst component A comprising a bridged metallocene compound with two tetrahydroindenyl groups, each group being unsubstituted or substituted; catalyst component B comprising a bridged metallocene compound with a substituted or unsubstituted cyclopentadienyl group and a substituted or unsubstituted fluorenyl group; an optional activator; an optional support; and an optional co-catalyst. The present invention also relates to a polymerization process using said composition. The invention further relates to olefin polymers at least partially catalyzed by said catalyst composition and articles comprising said olefin polymers.

Abstract: The present invention relates to an oxygen-scavenging composition comprising: at least 1.0% by weight of polybutadiene based on the total weight of the composition, wherein said polybutadiene has a number average molecular weight Mn of from 1000 to 10000 g/mol as determined by gel permeation chromatography (GPC) as described in the specification under the Determination methods; and a polypropylene component. The present invention also relates to the use of an oxygen-scavenging composition according to the invention for the manufacture of an article.

Abstract: The present invention relates to a catalyst composition comprising: catalyst component A comprising a bridged metallocene compound with two indenyl groups, each indenyl being substituted with one or more substituents, wherein at least one of the substituent is an aryl or heteroaryl; catalyst component B comprising a bridged metallocene compound with a substituted or unsubstituted cyclopentadienyl group and a substituted or unsubstituted fluorenyl group; an optional activator; an optional support; and an optional co-catalyst. The present invention also relates to a polymerization process using said composition. The invention further relates to olefin polymers at least partially catalyzed by said catalyst composition and articles comprising said olefin polymers.

Abstract: The present invention relates to a polyethylene resin prepared using a continuous process having and at least one metallocene catalyst composition: a molecular weight distribution Mw/Mn lower than 6.5; a molecular weight distribution Mw/Mn of at least 3.5; a melt index ranging from an HLMI of at least 1.20 g/10 min to an MI2 of at most 6.0 g/10 min wherein MI2 is determined according to ISO 1133:1997 at a temperature of 190° C. and under a load of 2.16 kg, and HLMI is determined according to ISO 1133:1997, at a temperature of 190° C. and under a load of 21.6 kg; melt index ratio HLMI/MI2 below or equal to 30; and a melt strength of X in Newtons, as determined by Göttfert Rheotens Melt Strength Apparatus, 190° C., as described in the Experimental section, satisfying the following equations (1) and/or (2) X is greater than ?0.026 ln(MI2)+0.0498 ??(1) X is greater than ?0.026 ln(HLMI)+0.1334 ??(2) with Mw being the weight-average molecular weight and Mn being the number-average molecular weight.

Abstract: The present invention relates to new bis(metallocene) compounds, new catalyst compositions, process for preparing the new bis(metallocene) compounds and use of said new catalyst compositions to polymerise olefins. The bis(metallocene) compounds of the invention are homo- or hetero bis(metallocene) molecules in which same or different metallocene moieties are connected by a phenylene bridge. The phenylene bridge is either para-substituted, meta-substituted or ortho-substituted by the two metallocene moieties.

Abstract: The present invention relates to a new process for preparing a polyethylene using new bis(metallocene) compounds in catalyst compositions. The bis(metallocene) compounds of the invention are homo- or hetero bis(metallocene) molecules in which same or different metallocene moieties are connected by a phenylene bridge. The phenylene bridge is either para-substituted, meta-substituted or ortho-substituted by the two metallocene moieties.

Abstract: The present invention relates to a new process for preparing a polypropylene using new bis(metallocene) compounds in catalyst compositions. The bis(metallocene) compounds of the invention are homo- or hetero bis(metallocene) molecules in which same or different metallocene moieties are connected by a phenylene bridge.

Abstract: The present invention relates to a catalyst composition comprising: catalyst component A comprising a bridged metallocene compound with two indenyl groups, each indenyl being substituted with one or more substituents, wherein at least one of the substituent is an aryl or heteroaryl; catalyst component B comprising a bridged metallocene compound with a substituted or unsubstituted cyclopentadienyl group and a substituted or unsubstituted fluorenyl group; an optional activator; an optional support; and an optional co-catalyst. The present invention also relates to a polymerization process using said composition. The invention further relates to olefin polymers at least partially catalyzed by said catalyst composition and articles comprising said olefin polymers.

Abstract: The present invention relates to a catalyst composition comprising: catalyst component A comprising a bridged metallocene compound with two tetrahydroindenyl groups, each group being unsubstituted or substituted; catalyst component B comprising a bridged metallocene compound with a substituted or unsubstituted cyclopentadienyl group and a substituted or unsubstituted fluorenyl group; an optional activator; an optional support; and an optional co-catalyst. The present invention also relates to a polymerization process using said composition. The invention further relates to olefin polymers at least partially catalyzed by said catalyst composition and articles comprising said olefin polymers.

Abstract: A propylene-comonomer block copolymer may have a molecular weight distribution Mw/Mn of at least 1.7, a percentage of enthalpy measured between Ti and [Tm?18° C.] of at least 20% of the total enthalpy, and a ratio E1/Co of at least 0.80. The propylene-comonomer block copolymer may be produced by polymerizing propylene in the presence of at least one comonomer and a bridged metallocene catalyst. The bridged metallocene catalyst may include bridged fluorenyl, bridged indenyl metallocene, or any combination thereof. The propylene-comonomer block copolymer may be used as a heat seal layer for biaxially oriented multi-layer films.

Abstract: A low viscosity oil has more than 50% by weight of 9-methylnonadecane. A lubricating composition has this low viscosity oil as base oil and, optionally, another base oil or an additive. The low viscosity oil has a kinematic viscosity at 100° C., measured by the ASTM D445 standard, of 0.5 to 2.5 mm2s?1. The low viscosity oil can be prepared using a metallocene catalyst, and the low viscosity oil can be used as high performance lubricant for lubrication in the field of motors, hydraulic fluids and gears, in particular bridges and transmissions.

Abstract: Processes for preparing a polyethylene in at least one continuously stirred tank reactor are described herein. The process may comprise the step of: polymerizing ethylene in the presence of at least one supported metallocene catalyst, a diluent, optionally one or more co-monomers, and optionally hydrogen, thereby obtaining the polyethylene, wherein the supported metallocene catalyst comprises a solid support, a co-catalyst and at least one metallocene, wherein the solid support has a surface area within the range of from 100 to 500 m2/g, and has a D50 value within the range of from 4 ?m to 18 ?m, with D50 being defined as the particle size for which fifty percent by weight of the particles has a size lower than the D50; and D50 being measured by laser diffraction analysis on a Malvern type analyzer. Polyethylene obtained by the disclosed process and articles comprising the polyethylene are also described.

Abstract: Processes for preparing a polyethylene in at least one continuously stirred tank reactor are described herein. The process may comprise the step of: polymerizing ethylene in the presence of at least one supported metallocene catalyst, a diluent, optionally one or more co-monomers, and optionally hydrogen, thereby obtaining the polyethylene, wherein the supported metallocene catalyst comprises a solid support, a co-catalyst and at least one metallocene, wherein the solid support has a surface area within the range of from 100 to 500 m2/g, and has a D50 value within the range of from 4 ?m to 18 ?m, with D50 being defined as the particle size for which fifty percent by weight of the particles has a size lower than the D50; and D50 being measured by laser diffraction analysis on a Malvern type analyzer. Polyethylene obtained by the disclosed process and articles comprising the polyethylene are also described.

Abstract: A low viscosity oil has more than 50% by weight of 9-methylnonadecane. A lubricating composition has this low viscosity oil as base oil and, optionally, another base oil or an additive. The low viscosity oil has a kinematic viscosity at 100° C., measured by the ASTM D445 standard, of 0.5 to 2.5 mm2 s?1. The low viscosity oil can be prepared using a metallocene catalyst, and the low viscosity oil can be used as high performance lubricant for lubrication in the field of motors, hydraulic fluids and gears, in particular bridges and transmissions.

Abstract: A low viscosity oil has more than 50% by weight of 9-methyl-11,13-dioctyltricosane. A lubricating composition having this low viscosity oil as base oil and, optionally, another base oil or an additive. The low viscosity oil has a kinematic viscosity at 100° C., measured by the ASTM D445 standard, of 4 to 8 mm2·s?1. The low viscosity oil can be prepared using a metallocene catalyst, and the low viscosity oil as high performance lubricant can be used for lubrication in the field of motors, hydraulic fluids and gears, in particular bridges and transmissions.