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: Described herein are caps or closures made from a resin composition having at least one polyethylene having a density of at least 0.940 g/cm3 when measured following the ISO 1183-2 method at 23° C.; erucamide; and at least 700 ppm based on the total weight of the resin composition of at least one ultraviolet absorber selected from the hydroxyphenylbenzotriazole class. A process for the production of such caps or closures is also described herein.

Abstract: A method for isomerising dehydration in the presence of a specific catalyst, to produce at least one alkene, carried out on a feedstock containing a non-linear primary monoalcohol, where the catalyst includes a zeolite having a series of 8MR channels and a binder having certain pore volume, which catalyst is multilobe-shaped and has characteristics including certain average mesopore volume Vm, and mesopores having a certain diameter, an average certain macropore volume VM, the macropores having a certain diameter, and certain average micropore volume V?, the micropores having a certain diameter, and the catalyst has a certain exposed geometric area.

Abstract: Process for preparing a catalyst composition containing a modified crystalline aluminosilicate and a binder, wherein the catalyst composition comprises from 5 to 95% by weight of crystalline aluminosilicate as based on the total weight of the catalyst composition, the process being remarkable in that it comprises a step of steaming said crystalline aluminosilicate: at a temperature ranging from 100° C. to 380° C.

Abstract: The invention relates to a process for removing red oils deposits formed in an installation comprising the use of a cleaning agent comprising one or more fatty acid esters to dissolve the red oils deposit and to form a mixture comprising the cleaning agent and the dissolved red oils; and removing the mixture comprising the cleaning agent and the dissolved red oils.

Abstract: The present invention relates to a polypropylene composition for thermoforming comprising: from 50% by weight to at most 90% by weight of a polypropylene A, wherein polypropylene A is a polypropylene random copolymer, based on the total weight of the polypropylene composition; and from 10% by weight to at most 50% by weight of a polypropylene B, wherein polypropylene B is a polypropylene homopolymer, based on the total weight of the polypropylene composition; wherein the melt flow index of polypropylene B is at most 1.0 g/10 min, as measured according to the method of standard ISO 1133, condition M, at 230° C. and under a load of 2.16 kg; and wherein the ratio of the melt flow index of polypropylene A to the melt flow index of polypropylene B is at least 80.

Abstract: The present invention relates to a process for the conversion of a feedstock comprising at least 50 wt % related to the total weight of the feedstock of triglycerides, fatty acid esters and/or fatty acids having at least 10 carbon atoms into hydrogen, olefins, dienes, aromatics, gasoline, diesel fuel, jet fuel, naphtha and liquefied petroleum gas comprising: a) introducing of said feedstock in a first reactor to produce linear paraffins in presence of a hydrodesulfurization catalyst and hydrogen, b) separating the effluent of said first reactor in at least three parts to produce at least a first stream comprising part of said linear paraffins and at least a second stream comprising part of said linear paraffins, and at least a third stream comprising part of said linear paraffins c) sending said first stream to a steam cracker to produce hydrogen, olefins, dienes, aromatics and gasoline, diesel fuel being further fractionated; d) introducing said second stream into a second reactor in presence of a hydrocr

Abstract: A process for dehydrating an ethanol feedstock to give ethylene, includes: a) a vaporization stage; b) a heating stage; c) a dehydration stage in a multitubular reactor comprising tubes having a length of between 2 and 4 m, said tubes comprising a, preferably zeolitic, dehydration catalyst, the feedstock having an inlet temperature of greater than 400° C. and less than 550° C. and an inlet pressure of between 0.8 and 1.8 MPa, the heat transfer fluid having an inlet temperature of greater than 430° C. and less than 550° C. and a mass flow rate such that the ratio of the mass flow rates of the heat transfer fluid relative to the feedstock is greater than or equal to 10; d) separation into an effluent comprising ethylene and an aqueous effluent; e) purification of the aqueous effluent and separation of a stream of purified water and a stream of unconverted ethanol.

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 process for treating, by reactive distillation, an olefinic feedstock comprising linear olefins containing n carbon atoms, and branched olefins, the branched olefins comprising tertiary branched olefins, for example a mixture of n-butenes and of tertiary branched olefins comprising isobutene, so as to produce an olefinic effluent with a mass content of tertiary branched olefin of less than or equal to 3% by weight and a heavy hydrocarbon effluent, said process comprising the feeding of a reactive distillation section with said olefinic feedstock and with an alcohol feedstock comprising a primary alcohol, said reactive distillation section comprising a column composed at least of an upper reflux zone into which is introduced said alcohol feedstock, comprising, for example, ethanol, an intermediate reaction zone comprising at least 6 reactive doublets, and a lower fractionation zone at the level of which said section is fed with said olefinic feedstock, said reactive distillat

Abstract: The invention relates to a process for treating an alcoholic feedstock, comprising: a) a stage of preheating of said alcoholic feedstock to a temperature of between 70° C. and 200° C.; b) a stage of pretreatment on an acidic solid, operating at a temperature of between 70° C. and 200° C., to produce a pretreated alcoholic feedstock; c) a stage of partial vaporization to produce a vaporized stream and a liquid stream; and d) a stage of purification of the liquid stream resulting from stage c), to give a stream rich in water, a stream rich in monoalcohol and a stream rich in impurities.

Abstract: A process for removing light components from an ethylene stream may include providing a dried ethylene stream containing ethylene, ethane, CO, CO2, H2, CH4, and C3+ hydrocarbons. The process may include sending the dried ethylene stream to a stripper to produce an overhead stream containing ethylene, CO, H2 and CH4, and a bottom stream containing ethylene, ethane, CO2, and C3+ hydrocarbons. The gaseous phase on top of the stripper may be condensed in a heat exchanger cooled by a refrigerant stream to get a first gaseous phase and a first liquid phase. The first gaseous phase may be condensed in a heat exchanger cooled by liquid ethane or liquid ethylene to get a second gaseous phase containing ethylene CO, H2 and CH4 and a second liquid phase. The first and second liquid phases may be the reflux of the stripper.

Abstract: A process for dehydrating an ethanol feedstock to give ethylene, includes: a) a vaporization stage; b) a heating stage; c) a dehydration stage in a multitubular reactor comprising tubes having a length of between 2 and 4 m, said tubes comprising a, preferably zeolitic, dehydration catalyst, the feedstock having an inlet temperature of greater than 400° C. and less than 550° C. and an inlet pressure of between 0.8 and 1.8 MPa, the heat transfer fluid having an inlet temperature of greater than 430° C. and less than 550° C. and a mass flow rate such that the ratio of the mass flow rates of the heat transfer fluid relative to the feedstock is greater than or equal to 10; d) separation into an effluent comprising ethylene and an aqueous effluent; e) purification of the aqueous effluent and separation of a stream of purified water and a stream of unconverted ethanol.

Abstract: The present invention relates to a polyethylene resin suitable for preparing moulded articles, such as caps and closures. The invention provides in particular a polyethylene resin comprising at least two polyethylene fractions A and B, wherein said polyethylene resin has a melt index (MI2), of at least 3.0 g/10 min to at most 5.5 g/10 min as measured according to ISO 1133, condition D, at 190° C. and under a load of 2.16 kg, and a density of at least 0.955 g/cm3 to at most 0.965 g/cm3 as measured according to ISO 1183 at 23° C., and a molecular weight distribution Mw/Mn which is at most 7.0, as determined by gel permeation chromatography, with Mw being the weight-average molecular weight and Mn being the number-average molecular weight; and wherein said polyethylene fraction A has a high load melt index (HLMI), as measured according to ISO 1133:1997 condition G at 190° C. and under a load of 21.6 kg, of at least 10.5 and a melt index (MI2) of at least 0.5 g/10 min to at most 1.

Abstract: A process for the isomerizing dehydration of a feedstock including a primary monoalcohol, alone or as a mixture, of formula R—CH2—OH, wherein R is a nonlinear alkyl radical of general formula CnH2n+1 where n is an integer between 3 and 20, the process taking place in the gas phase at a weighted average temperature between 275° C. and 400° C., at a pressure between 0.3 MPa and 1 MPa and at a WWH (weight per weight per hour) between 5 and 10 h?1, in the presence of a catalyst containing at least one silicic binder and at least one zeolite having at least one series of channels, the opening of which is defined by a ring of 8 oxygen atoms (8MR), process wherein vaporized feedstock entering the reactor has a weight content of water of from 4% to 35%.

Abstract: The invention relates to high purity polypropylenes and polypropylene compositions suitable for injection molding in which the polypropylene is characterized by a percentage of 2,1-insertions, relative to the total number of propylene molecules in the polymer chain, of at least 0.2%; a melting temperature Tm ranging from 140° C. to 160° C. as determined according to ISO 3146; a ratio of frequencies at fixed modulus of 1000 Pa for storage shear modulus (G?) and loss shear modulus (G?) greater than 4.7; a molecular weight distribution (MWD) of at least 2.5; a number average molecular weight (Mn) of at most 45 kg/mol and Carreau-Yasuda parameters ?0, b and ? complying with the relationship: 2.18?1.715(b)?0.015(Ln ?0)2+0.944(b)2+0.0149(Ln ?0)(Ln ?)+0.0095(Ln ?)2>1 when fitted to the CY equation, said CY parameters ?0, b and ? are determined from a dynamic rheology analysis (RDA).

Abstract: The present invention relates to an injection-molded article, comprising at least one metallocene-catalyzed polyethylene resin comprising at least two metallocene-catalyzed polyethylene fractions A and B, wherein the at least one metallocene-catalyzed polyethylene resin comprises: at least 40% to at most 50% by weight of polyethylene fraction A based on the total weight of the at least one metallocene-catalyzed polyethylene resin, wherein fraction A has a melt index MI2 of at least 100.0 g/10 min as determined according to ISO 1133, condition D, at 190° C. and under a load of 2.16 kg; and wherein the at least one metallocene-catalyzed polyethylene resin has a density of at least 0.940 g/cm3 to at most 0.950 g/cm3 as measured on pellets according to ISO 1183 at 23° C.; a melt index MI2 of at least 1.4 g/10 min to at most 2.5 g/10 min as measured on pellets according to ISO 1133, condition D, at 190° C. and under a load of 2.16 kg.

Abstract: The invention relates to a composition comprising a rubber-modified monovinylaromatic polymer comprising: 70 wt % or more of a monovinylaromatic polymer matrix, from 2 to 12 wt % of at least one rubber, and from 0.1 to 3.4 wt % of metallocene-catalyzed poly-alpha-olefins (mPAO) all based on the total weight of the rubber-modified monovinylaromatic polymer, with the mPAO having a kinematic viscosity of at least 950 mm2/s at 40° C. and at most 2,000 mm2/s at 40° C. as measured according to ISO 3104. The invention also relates to articles made from such composition and to the process to produce said composition and said articles.

Abstract: The present invention relates to a process for treating, by reactive distillation, an olefinic feedstock comprising linear olefins containing n carbon atoms, and branched olefins, the branched olefins comprising tertiary branched olefins, for example a mixture of n-butenes and of tertiary branched olefins comprising isobutene, so as to produce an olefinic effluent with a mass content of tertiary branched olefin of less than or equal to 3% by weight and a heavy hydrocarbon effluent, said process comprising the feeding of a reactive distillation section with said olefinic feedstock and with an alcohol feedstock comprising a primary alcohol, said reactive distillation section comprising a column composed at least of an upper reflux zone into which is introduced said alcohol feedstock, comprising, for example, ethanol, an intermediate reaction zone comprising at least 6 reactive doublets, and a lower fractionation zone at the level of which said section is fed with said olefinic feedstock, said reactive distillat