Abstract

The present invention relates to an apparatus for hydrocarbon steam cracking. more specifically to a cracking furnace for steam cracking a hydrocarbon feedstock, wherein the furnace comprises one or more reactor tubes for transporting the hydrocarbon feedstock and dilution steam; wherein each reactor tube comprises one or more tube passes, and wherein the furnace comprises an electrically heated infrared emitter comprising one or more electrically powered heating elements for transferring heat to the reactor tubes, and wherein the furnace comprises an enclosure surrounding the one or more reactor tubes and the electrically heated infrared emitter. The present invention also relates to a process for hydrocarbon steam cracking using said apparatus.

IPC Classes  ?

• C10G 9/24 - Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils by heating with electrical means

Abstract

The disclosure concerns a process to convert one or more glycerides into propylene and one or more fatty acids, said process is remarkable in that it comprises the steps of (a) providing a first stream comprising one or more glycerides; (b) providing a second stream comprising hydrogen; (c) providing a catalytic system; (d) contacting the first stream and the second stream with the catalytic system provided at step (c) under reaction conditions to form an effluent comprising at least propylene and one or more fatty acids; (e) recovering the propylene from said effluent; wherein the catalytic system provided at step (c) comprises one or more coordination metal complexes, one or more aqueous acidic compounds, one or more ionic liquids, and CO and/or one or more CO-releasing compounds.

IPC Classes  ?

• C07C 1/213 - Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as hetero atoms from carbonyl compounds by splitting of esters
• C07C 51/09 - Preparation of carboxylic acids or their salts, halides, or anhydrides from carboxylic acid esters or lactones
• C07C 11/06 - Propene
• C07C 53/126 - Acids containing more than four carbon atoms

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 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.

IPC Classes  ?

• C08F 10/02 - Ethene

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. The present invention also relates to a metallocene-catalyzed ethylene polymer having: a melt index MI2 ranging from 0.1 g/10 min to 12.0 g/10 min wherein MI2 is determined according to ISO 1133:2005 Method B, condition D, at a temperature 190° C. and a 2.16 kg load using a die of 2.096 mm; a molecular weight distribution Mw/Mn, ranging from 4.0 to 12.0, with Mw being the weight-average molecular weight and Mn being the number-average molecular weight; a rheology long chain branching index grheo of at least 0.90, preferably at least 0.93, preferably at least 0.95; and preferably at least 0.30% by weight of ethyl branching with regard to the total weight of the ethylene polymer measured by 13C NMR, with the proviso that said ethyl branching is not generated from 1-butene incorporation as comonomer.

IPC Classes  ?

• C08F 10/02 - Ethene

Abstract

The present invention is related to a rubber-modified monovinylidene aromatic polymer composition comprising: I) a matrix comprising monovinylidene aromatic polymer, and II) from 5 to 25% by weight of rubber in the form of discrete rubber particles dispersed within the matrix, wherein the rubber particles comprise a blend of at least two polybutadienes as well as graft- and block copolymers of polybutadiene and monovinylidene aromatic polymer segments, said rubber particles exhibit: —an average particle size by volume (D50) comprised between 1.5 and 5.5 μm, as measured by laser light scattering; wherein said blend of at least two poly butadienes comprises: —at least 50% by weight of one or more polybutadiene(s) with a cis-1,4 structure content of at least 80% by weight and —at most 50% by weight of one or more polybutadiene(s) with a trans-1-4 structure content of at least 25% by weight and a 1,2-vinyl content of at least 5% by weight; said of at least two polybutadienes, as such and prior to being part of the rubber-modified monovinylidene aromatic (co)polymer, blend being characterized by a dynamic solution viscosity, comprised between 50 and 160 mPa·s, as determined by Brookfield viscometer according to ISO 2555, at a concentration of 5.43% by weight in toluene. The invention further is related to a method for the preparation of the rubber-modified monovinylidene aromatic polymer composition.

IPC Classes  ?

• C08L 25/06 - Polystyrene

Abstract

The present invention relates to a process for reducing volatiles in a polymer melt feed. The present invention also relates to a devolatilization apparatus for removing volatiles from a polymer melt feed.

IPC Classes  ?

• C08F 6/00 - Post-polymerisation treatments
• C08F 10/02 - Ethene
• C08F 12/08 - Styrene
• C08G 63/08 - Lactones or lactides
• C08G 63/90 - PurificationDrying

Abstract

The present invention in general relates to a devolatilization apparatus for removing volatiles from a polymer melt feed. The present invention also relates to a process or method for reducing volatiles in a polymer melt feed.

IPC Classes  ?

• B01D 1/20 - Sprayers
• C08F 6/00 - Post-polymerisation treatments

Abstract

A process to produce olefins and aromatics via a purification of a hydrocarbon stream including: a) Providing a hydrocarbon stream having a starting boiling point of at least 15° C., a diene value of at least 1.0 preferably at least 1.5 g I2/100 g and a bromine number of at least 5 g Br2/100 g and containing at least 10 wt % of pyrolysis plastic oil where preferably at least 10 wt. % of said hydrocarbon stream has a boiling point of at least 150° C. based on the total weight of said hydrocarbon stream; c) Performing a first hydrotreating step; e) performing a second hydrotreating step; and f) recovering a purified hydrocarbon stream wherein at least a part of this purified hydrocarbon stream is sent to a steam cracker to produce olefins, such as ethylene and propylene, and aromatics.

IPC Classes  ?

• C10G 65/12 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including cracking steps and other hydrotreatment steps
• B01J 20/08 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group comprising aluminium oxide or hydroxideSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group comprising bauxite
• B01J 23/755 - Nickel
• B01J 23/883 - Molybdenum and nickel
• B01J 35/61 - Surface area
• C07C 4/04 - Thermal processes
• C10G 1/00 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
• C10G 1/10 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal from rubber or rubber waste
• C10G 11/18 - Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts according to the "fluidised bed" technique
• C10G 31/08 - Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for by treating with water
• C10G 33/00 - De-watering or demulsification of hydrocarbon oils
• C10G 45/08 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbonsHydrofinishing characterised by the catalyst used containing nickel or cobalt metal, or compounds thereof in combination with chromium, molybdenum, or tungsten metals, or compounds thereof
• C10G 45/10 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbonsHydrofinishing characterised by the catalyst used containing platinum group metals or compounds thereof
• C10G 45/40 - Selective hydrogenation of the diolefin or acetylene compounds characterised by the catalyst used containing platinum group metals or compounds thereof
• C10G 45/44 - Hydrogenation of the aromatic hydrocarbons
• C10G 65/06 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including only refining steps at least one step being a selective hydrogenation of the diolefins
• C10G 67/06 - Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only plural serial stages only including a sorption process as the refining step in the absence of hydrogen
• C10G 67/14 - Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only plural serial stages only including at least two different refining steps in the absence of hydrogen
• C10G 69/06 - Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one other conversion process plural serial stages only including at least one step of thermal cracking in the absence of hydrogen
• C10G 69/10 - Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one other conversion process plural serial stages only including at least one step of reforming naphtha hydrocracking of higher boiling fractions into naphtha and reforming the naphtha obtained

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. The present invention also relates to olefin polymers and articles comprising said olefin polymer. 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. The present invention also relates to olefin polymers and articles comprising said olefin polymer.

IPC Classes  ?

• C08F 4/76 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from metals not provided for in group selected from refractory metals selected from titanium, zirconium, hafnium, vanadium, niobium, or tantalum
• C08F 2/06 - Organic solvent
• C08F 210/06 - Propene

Abstract

The disclosure relates to a process to produce a composition of polyethylene comprising post-consumer resin for the production of caps and closures, comprising the steps of providing from 20 wt. % to 85 wt. % of a component A being one or more polyethylene post-consumer resins having a melt index ranging from 0.8 to 3.0 g/10 min, and a density ranging from 0.940 to 0.965 g/cm3: providing a component B being a polyethylene resin having a melt index (MI2) ranging from 0.5 to 3.5 g/10 min. and a density ranging from 0.940 to 0.965 g/cm3: providing one or more antioxidants: and blending the components and the one or more antioxidants to form a composition of polyethylene having a melt index ranging from 1.0 to 3.2 g/10 min; wherein the composition of polyethylene is having a z average molecular weight (Mz) of at most 390.000 g/mol as determined by gel permeation chromatography.

IPC Classes  ?

• C08L 23/08 - Copolymers of ethene

Abstract

Process for steam cracking of thermally unstable feedstock such as plastic pyrolysis oil, or olefin rich hydrocarbon cuts such as cracked gasoline, coker naphtha or diesel. The invention is also about a heat exchanger suitable for that process.

IPC Classes  ?

• C10G 9/36 - Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils by direct contact with inert preheated fluids, e.g. with molten metals or salts with heated gases or vapours
• B01D 1/06 - Evaporators with vertical tubes
• B01D 1/22 - Evaporating by bringing a thin layer of the liquid into contact with a heated surface
• B01J 19/00 - Chemical, physical or physico-chemical processes in generalTheir relevant apparatus
• F28G 3/08 - Rotary appliances having coiled wire tools, i.e. basket type
• F28G 7/00 - Cleaning by vibration

Abstract

The present invention is related to high Impact strength thermoplastic compositions comprising: a) from 10 to 90% by weight of a rubber-modified monovinylidene aromatic (co)polymer; b) from 10 to 90% by weight of a polyphenylene ether; wherein: said rubber-modified monovinylidene aromatic (co)polymer a) comprising: I) a matrix comprising monovinylidene aromatic polymer, and II) from 5 to 25% by weight of rubber in the form of discrete rubber particles dispersed within the matrix, wherein the rubber particles comprise a blend of at least two polybutadienes as well as graft- and block copolymers of polybutadiene and monovinylidene aromatic polymer segments, said rubber particles exhibit: —an average particle size by volume (D50) comprised between 0.8 and 5.5 μm, measured by laser light scattering; said blend of at least two polybutadienes comprises: —at least 50% by weight of one or more polybutadiene(s) with a cis-1,4 structure content of at least 80% by weight and —at most 50% by weight of one or more polybutadiene(s) with a trans-1-4 structure content of at least 25% by weight and a 1,2-vinyl content of at least 5% by weight; said blend being characterized by a dynamic solution viscosity, comprised between 50 and 160 mPa·s, as determined by Brookfield viscometer according to ISO 2555 at a concentration of 5.43% by weight in toluene; and said polyphenylene ether b) has a repeating structural formula (I) wherein R1 and R2 are independently selected from the group consisting of a hydrogen atom, a halogen atom, C1-4 alkyl radicals, C1-4 alkoxy radicals, C6-10 aromatic radicals which are unsubstituted or substituted by a C1-4 alkyl radical, halohydrocarbon radicals having at least two carbon atoms between the halogen atom and the phenyl nucleus, hydrocarbonoxy radicals and halohydrocarbonoxy radicals having at least two carbon atoms between the halogen and the phenyl nucleus, and wherein n is an integer of at least 50. The invention further is related to a method for the preparation of the high Impact strength thermoplastic compositions. The present invention is related to high Impact strength thermoplastic compositions comprising: a) from 10 to 90% by weight of a rubber-modified monovinylidene aromatic (co)polymer; b) from 10 to 90% by weight of a polyphenylene ether; wherein: said rubber-modified monovinylidene aromatic (co)polymer a) comprising: I) a matrix comprising monovinylidene aromatic polymer, and II) from 5 to 25% by weight of rubber in the form of discrete rubber particles dispersed within the matrix, wherein the rubber particles comprise a blend of at least two polybutadienes as well as graft- and block copolymers of polybutadiene and monovinylidene aromatic polymer segments, said rubber particles exhibit: —an average particle size by volume (D50) comprised between 0.8 and 5.5 μm, measured by laser light scattering; said blend of at least two polybutadienes comprises: —at least 50% by weight of one or more polybutadiene(s) with a cis-1,4 structure content of at least 80% by weight and —at most 50% by weight of one or more polybutadiene(s) with a trans-1-4 structure content of at least 25% by weight and a 1,2-vinyl content of at least 5% by weight; said blend being characterized by a dynamic solution viscosity, comprised between 50 and 160 mPa·s, as determined by Brookfield viscometer according to ISO 2555 at a concentration of 5.43% by weight in toluene; and said polyphenylene ether b) has a repeating structural formula (I) wherein R1 and R2 are independently selected from the group consisting of a hydrogen atom, a halogen atom, C1-4 alkyl radicals, C1-4 alkoxy radicals, C6-10 aromatic radicals which are unsubstituted or substituted by a C1-4 alkyl radical, halohydrocarbon radicals having at least two carbon atoms between the halogen atom and the phenyl nucleus, hydrocarbonoxy radicals and halohydrocarbonoxy radicals having at least two carbon atoms between the halogen and the phenyl nucleus, and wherein n is an integer of at least 50. The invention further is related to a method for the preparation of the high Impact strength thermoplastic compositions.

IPC Classes  ?

• C08L 53/02 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
• B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired formApparatus therefor
• C08F 2/00 - Processes of polymerisation
• C08F 12/08 - Styrene
• C08L 51/00 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers
• C08L 71/12 - Polyphenylene oxides
• B29K 9/06 - SB polymers, i.e. butadiene-styrene polymers
• B29K 71/00 - Use of polyethers as moulding material

Abstract

Process for the purification, treatment and steam cracking of a secondary hydrocarbon stream in combination with a primary hydrocarbon stream, wherein the secondary hydrocarbon stream is vaporized before introduction within the convection section of a steam cracker furnace in combination with at least a portion of the said primary hydrocarbon stream.

IPC Classes  ?

• C10G 55/04 - Treatment of hydrocarbon oils, in the absence of hydrogen, by at least one refining process and at least one cracking process plural serial stages only including at least one thermal cracking step
• C10G 9/16 - Preventing or removing incrustation

Abstract

A process to produce olefins including: (a) Providing a hydrocarbon stream containing at least 10 wt % of pyrolysis plastic oil; (b) Optionally contacting the effluent obtained in step a) with silica gel, clays, alkaline or alkaline earth metal oxide, iron oxide, ion exchange resins, active carbon, active aluminium oxide, molecular sieves, alkaline oxide and/or porous supports containing lamellar double hydroxide modified or not and silica gel, or any mixture thereof; (c) performing a selective hydrogenation step; (d) contacting the stream obtained in step c) with a cracking catalyst to crack the olefins and/or paraffins into olefins having 2 to 4 carbon atoms (e) separating from the effluents obtained at the step d) a first stream containing olefins and saturated hydrocarbons having at most 3 carbon atoms, and a second stream containing hydrocarbons having 4 or more carbon atoms and (f) recovering from said first stream the ethylene and propylene.

IPC Classes  ?

• C10G 65/12 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including cracking steps and other hydrotreatment steps
• B01J 20/08 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group comprising aluminium oxide or hydroxideSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group comprising bauxite
• B01J 23/755 - Nickel
• B01J 23/883 - Molybdenum and nickel
• B01J 35/61 - Surface area
• C07C 4/04 - Thermal processes
• C10G 1/00 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
• C10G 1/10 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal from rubber or rubber waste
• C10G 11/18 - Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts according to the "fluidised bed" technique
• C10G 31/08 - Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for by treating with water
• C10G 33/00 - De-watering or demulsification of hydrocarbon oils
• C10G 45/08 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbonsHydrofinishing characterised by the catalyst used containing nickel or cobalt metal, or compounds thereof in combination with chromium, molybdenum, or tungsten metals, or compounds thereof
• C10G 45/10 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbonsHydrofinishing characterised by the catalyst used containing platinum group metals or compounds thereof
• C10G 45/40 - Selective hydrogenation of the diolefin or acetylene compounds characterised by the catalyst used containing platinum group metals or compounds thereof
• C10G 45/44 - Hydrogenation of the aromatic hydrocarbons
• C10G 65/06 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including only refining steps at least one step being a selective hydrogenation of the diolefins
• C10G 67/06 - Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only plural serial stages only including a sorption process as the refining step in the absence of hydrogen
• C10G 67/14 - Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only plural serial stages only including at least two different refining steps in the absence of hydrogen
• C10G 69/06 - Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one other conversion process plural serial stages only including at least one step of thermal cracking in the absence of hydrogen
• C10G 69/10 - Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one other conversion process plural serial stages only including at least one step of reforming naphtha hydrocracking of higher boiling fractions into naphtha and reforming the naphtha obtained

Abstract

The invention relates to a polypropylene composition comprising: (a) a first metallocene-catalyzed polypropylene (RPP-A) which is homopolymer, or a random copolymer of propylene and of a co-monomer; and (b) a second metallocene-catalyzed polypropylene (RPP-B) which is a random copolymer of propylene and of a co-monomer; wherein said polypropylene composition has:- a total co-monomer content of at least 1.1% by weight relative to the total weight of said polypropylene composition, as determined by 13C NMR analysis, said co-monomer being an alpha-olefin different from propylene;- a melting temperature Tm of at least 130° C., measured by DSC; - a crystallization temperature Tc of at least 95.0° C., measured by DSC; - a ratio of weight average molecular weight (Mw) to number average molecular weight (Mn) [Mw/Mn] of at least 4.50;- a ratio of z-average molecular weight (Mz) to weight average molecular weight (Mw) [Mz/Mw] of at least 2.10; and- a co-monomer distribution ratio R(Mz)/R(Mn) higher than 0.995, wherein R(Mz) is the ratio at Mz of the IR signal measured at 2959 cm-1 on the signal at 2928 cm-1, and R(Mn) is the ratio at Mn of the IR signal measured at 2959 cm-1 on the signal at 2928 cm-1, as determined by IR-detected gel permeation chromatography and- a xylene soluble content (XS) of at most 3.0% by weight. The present invention also relates to a process for the preparation of said polypropylene composition. The present invention also relates to an article comprising said polypropylene composition.

IPC Classes  ?

• C08L 23/14 - Copolymers of propene

Abstract

A process for purification a hydrocarbon stream including: (a) Providing a hydrocarbon stream having a diene value of at least 1.0, a bromine number of at least 5 g and containing at least 10 wt % of pyrolysis plastic oil; b) contacting the effluent obtained in step a) with a silica gel, clays, alkaline or alkaline earth metal oxide, iron oxide, ion exchange resins, active carbon, active aluminium oxide, molecular sieves, alkaline oxide and/or porous supports, and/or silica gel, or any mixture thereof; c) performing a first hydrotreating step; d) contacting the effluent obtained in step c) with silica gel, clays, alkaline or alkaline earth metal oxide, iron oxide, ion exchange resins, active carbon, active aluminium oxide, molecular sieves, alkaline oxide and/or porous supports and silica gel, or any mixture thereof; e) performing a second hydrotreating step; and f) recovering a purified hydrocarbon stream.

IPC Classes  ?

• C10G 65/12 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including cracking steps and other hydrotreatment steps
• B01J 20/08 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group comprising aluminium oxide or hydroxideSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group comprising bauxite
• B01J 23/883 - Molybdenum and nickel
• B01J 23/755 - Nickel
• B01J 35/10 - Solids characterised by their surface properties or porosity
• C07C 4/04 - Thermal processes

Abstract

A process for the purification of a hydrocarbon stream including: (a) Providing a hydrocarbon stream having a diene value of at least 1.0 and a bromine number of at least 5 gBr2/100 g and containing pyrolysis plastic oil; (b) Optionally contact the hydrocarbon stream obtained in step (a) with a silica gel, clays, alkaline or alkaline earth metal oxide, iron oxide, ion exchange resins, active carbon, active aluminum oxide, molecular sieves, alkaline oxide and/or porous supports and silica gel, or any mixture thereof; (c) Heating the stream obtained in step a) or b) followed by a mixing of the heated stream with a second diluent heated at a temperature of at least 300° C. preferably at least 330° C.; (d) performing an hydroprocessing step at a temperature of at least 250° C. in the presence of H2; and (e) recovering a purified hydrocarbon stream.

IPC Classes  ?

• C10G 65/12 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including cracking steps and other hydrotreatment steps

Abstract

The present invention relates to an apparatus for hydrocarbon steam cracking, more specifically to a cracking furnace for steam cracking a hydrocarbon feedstock, wherein the furnace comprises one or more reactor tubes for transporting the hydrocarbon feedstock and dilution steam; wherein each reactor tube comprises one or more tube passes, and wherein the furnace comprises an electrically heated infrared emitter comprising one or more electrically powered heating elements for transferring heat to the reactor tubes, and wherein the furnace comprises an enclosure surrounding the one or more reactor tubes and the electrically heated infrared emitter. The present invention also relates to a process for hydrocarbon steam cracking using said apparatus.

IPC Classes  ?

• C10G 9/24 - Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils by heating with electrical means
• C10G 9/20 - Tube furnaces
• C10G 9/36 - Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils by direct contact with inert preheated fluids, e.g. with molten metals or salts with heated gases or vapours

Abstract

The present invention relates to a process for polymerising lactide into polylactic acid. The present invention also relates to reactor configuration for polymerising lactide into polylactic acid.

IPC Classes  ?

• C08G 63/78 - Preparation processes
• C08G 63/08 - Lactones or lactides
• B01J 19/18 - Stationary reactors having moving elements inside

Abstract

The disclosure relates to a process to produce a composition of polyethylene comprising post-consumer resin for the production of caps and closures , comprising in the steps of providing from 20 wt.% to 85 wt.% of a component A being one or more polyethylene post-consumer resins having a melt index ranging from 0.8 to 3.0 g/10 min, and a density ranging from 0.940 to 0.965 g/cm3; providing a component B being a polyethylene resin having a melt index (MI2) ranging from 0.2 to 1.2 g/10 min, and a density ranging from 0.935 to 0.955 g/cm3; and a multimodal molecular weight distribution, wherein the component B is selected to have a melt index that is equal or inferior to the melt index (MI2) of the component A and to have a molecular weight distribution Mw/Mn which is at most 14.0 as determined by gel permeation chromatography; and blending the components to form a composition having a melt index ranging from 0.8 to 3.0 g/10 min; wherein the composition has an environmental stress crack resistance of at least 360 hours according to ASTM D1693-15 at 100% Igepal and 50° C. and a weight-average molecular weight Mw of at least 90,000 g/mol.

IPC Classes  ?

• C08L 23/08 - Copolymers of ethene

Abstract

2wnww being the weight- average molecular weight and Mn being the number-average molecular weight; a rheology long chain branching index grheo of at least 0.90, preferably at least 0.93, preferably at least 0.95; and preferably at least 0.30 % by weight of ethyl branching with regard to the total weight of the ethylene polymer measured by 13C NMR, with the proviso that said ethyl branching is not generated from 1 -butene incorporation as comonomer.

IPC Classes  ?

• C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
• C07F 17/00 - Metallocenes
• C08F 4/659 - Component covered by group containing a transition metal-carbon bond
• C07F 7/00 - Compounds containing elements of Groups 4 or 14 of the Periodic Table

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 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.

IPC Classes  ?

• C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
• C08F 4/659 - Component covered by group containing a transition metal-carbon bond

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 optional activator; an optional support; and an optional co-catalyst. The invention also relates to ethylene polymers prepared by said process and articles comprising said ethylene polymers.

IPC Classes  ?

• C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
• C08F 4/659 - Component covered by group containing a transition metal-carbon bond

Abstract

The present application relates to a process for cracking a hydrocarbon feedstock, using to the largest extent electrically powered equipment where the power is obtained from renewable sources or low-carbon sources. In particular, it relates to a process for cracking a hydrocarbon feedstock, including bringing the hydrocarbon feedstock and dilution steam to supersonic velocities in the reactor, followed by applying a shockwave to induce cracking of the hydrocarbon feedstock, to convert at least a part of the hydrocarbon mixture to produce olefins.

IPC Classes  ?

• C10G 15/08 - Cracking of hydrocarbon oils by electric means, electromagnetic or mechanical vibrations, by particle radiation or with gases superheated in electric arcs by electric means or by electromagnetic or mechanical vibrations
• C10G 9/24 - Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils by heating with electrical means
• C10G 9/36 - Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils by direct contact with inert preheated fluids, e.g. with molten metals or salts with heated gases or vapours
• C01B 3/24 - Production of hydrogen or of gaseous mixtures containing hydrogen by decomposition of gaseous or liquid organic compounds of hydrocarbons

Abstract

The present application relates to a process for cracking a hydrocarbon feedstock, using to the largest extent electrically powered equipment where the power is obtained from renewable sources or low-carbon sources. In particular, it relates to a furnace for steam cracking a hydrocarbon feedstock, wherein the furnace comprises one or more tubes for transporting the hydrocarbon feedstock and dilution steam; and an electrically heated infrared emitter for transferring heat to the tubes. It also relates to a process for steam cracking a hydrocarbon feedstock using infrared radiation.

IPC Classes  ?

• C10G 15/08 - Cracking of hydrocarbon oils by electric means, electromagnetic or mechanical vibrations, by particle radiation or with gases superheated in electric arcs by electric means or by electromagnetic or mechanical vibrations
• C10G 9/20 - Tube furnaces
• C10G 9/24 - Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils by heating with electrical means
• C10G 9/36 - Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils by direct contact with inert preheated fluids, e.g. with molten metals or salts with heated gases or vapours

Abstract

The present invention relates to a process for reducing volatiles in a polymer melt feed. The present invention also relates to a devolatilization apparatus for removing volatiles from a polymer melt feed.

IPC Classes  ?

• B01D 19/00 - Degasification of liquids
• C08F 6/00 - Post-polymerisation treatments
• C08G 63/90 - PurificationDrying
• B01D 1/00 - Evaporating
• B01D 1/14 - Evaporating with heated gases or vapours in contact with the liquid
• B01D 1/16 - Evaporating by spraying
• C08G 63/08 - Lactones or lactides

Abstract

The present invention in general relates to a devolatilization apparatus for removing volatiles from a polymer melt feed. The present invention also relates to a process or method for reducing volatiles in a polymer melt feed.

IPC Classes  ?

• B01D 1/00 - Evaporating
• B01D 1/16 - Evaporating by spraying
• B01D 1/20 - Sprayers

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. The present invention also relates to olefin polymers and articles comprising said olefin polymer.

IPC Classes  ?

• C08F 4/00 - Polymerisation catalysts
• C08F 110/00 - Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
• C07F 17/00 - Metallocenes

Abstract

The disclosure relates to a process to produce a composition of polyethylene comprising post-consumer resin for the production of caps and closures, comprising the steps of providing from 20 wt.% to 85 wt.% of a component A being one or more polyethylene post-consumer resins having a melt index ranging from 0.8 to 3.0 g/10 min, and a density ranging from 0.940 to 0.965 g/cm3; providing a component B being a polyethylene resin having a melt index (MI2) ranging from 0.5 to 3.5 g/10 min, and a density ranging from 0.940 to 0.965 g/cm3; providing one or more antioxidants; and blending the components and the one or more antioxidants to form a composition of polyethylene having a melt index ranging from 1.0 to 3.2 g/10 min; wherein the composition of polyethylene is having a z average molecular weight (Mz) of at most 390,000 g/mol as determined by gel permeation chromatography.

IPC Classes  ?

• C08L 23/06 - Polyethene
• C08L 23/08 - Copolymers of ethene
• B29C 45/00 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor

Abstract

Process for steam cracking of thermally unstable feedstock such as plastic pyrolysis oil, or olefin rich hydrocarbon cuts such as cracked gasoline, coker naphtha or diesel. The invention is also about a heat exchanger suitable for that process.

IPC Classes  ?

• C10G 9/36 - Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils by direct contact with inert preheated fluids, e.g. with molten metals or salts with heated gases or vapours
• F28D 7/00 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
• F28F 9/02 - Header boxesEnd plates
• C10G 9/16 - Preventing or removing incrustation
• F28D 7/16 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
• F28G 3/08 - Rotary appliances having coiled wire tools, i.e. basket type
• F28G 7/00 - Cleaning by vibration
• F28G 15/00 - CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OF BOILERS Details

Abstract

The present invention is related to a process for the production of a vinyl aromatic (co)polymer comprising the steps of: a) mixing a fraction (A) comprising one or more monomers selected from the group consisting of styrene, alpha-methyl styrene, acrylonitrile, methyl (meth)acrylate, (meth)acrylic acid and butadiene with a fraction (B) comprising post-consumer recycled vinyl aromatic (co)polymer, wherein the weight ratio of fraction (B) to fraction (A) is comprised between 0.01/1 and 1/1, preferably between 0.05/1 and 0.5/1 b) subjecting the resulting mixture to a free-radical polymerization and polymerizing to a monomer conversion up to 90%, to obtain a polymerized mixture comprising vinyl aromatic (co)polymer; c) vacuum devolatizing the polymerized mixture and recovering vinyl aromatic (co)polymer characterized by a weight average molecular weight comprised between 100,000 and 400,000 g/mol; wherein one or more bromine derivative capture agents are added before, and/or during and/or after at least one of the steps a) to c); and wherein 100 parts of one or more bromine derivative capture agents comprises at least 50 parts by weight of hydrotalcite of the formula: The present invention is related to a process for the production of a vinyl aromatic (co)polymer comprising the steps of: a) mixing a fraction (A) comprising one or more monomers selected from the group consisting of styrene, alpha-methyl styrene, acrylonitrile, methyl (meth)acrylate, (meth)acrylic acid and butadiene with a fraction (B) comprising post-consumer recycled vinyl aromatic (co)polymer, wherein the weight ratio of fraction (B) to fraction (A) is comprised between 0.01/1 and 1/1, preferably between 0.05/1 and 0.5/1 b) subjecting the resulting mixture to a free-radical polymerization and polymerizing to a monomer conversion up to 90%, to obtain a polymerized mixture comprising vinyl aromatic (co)polymer; c) vacuum devolatizing the polymerized mixture and recovering vinyl aromatic (co)polymer characterized by a weight average molecular weight comprised between 100,000 and 400,000 g/mol; wherein one or more bromine derivative capture agents are added before, and/or during and/or after at least one of the steps a) to c); and wherein 100 parts of one or more bromine derivative capture agents comprises at least 50 parts by weight of hydrotalcite of the formula: [Mg1-x Alx(OH)2]x+(CO3)x/2.mH2O The present invention is related to a process for the production of a vinyl aromatic (co)polymer comprising the steps of: a) mixing a fraction (A) comprising one or more monomers selected from the group consisting of styrene, alpha-methyl styrene, acrylonitrile, methyl (meth)acrylate, (meth)acrylic acid and butadiene with a fraction (B) comprising post-consumer recycled vinyl aromatic (co)polymer, wherein the weight ratio of fraction (B) to fraction (A) is comprised between 0.01/1 and 1/1, preferably between 0.05/1 and 0.5/1 b) subjecting the resulting mixture to a free-radical polymerization and polymerizing to a monomer conversion up to 90%, to obtain a polymerized mixture comprising vinyl aromatic (co)polymer; c) vacuum devolatizing the polymerized mixture and recovering vinyl aromatic (co)polymer characterized by a weight average molecular weight comprised between 100,000 and 400,000 g/mol; wherein one or more bromine derivative capture agents are added before, and/or during and/or after at least one of the steps a) to c); and wherein 100 parts of one or more bromine derivative capture agents comprises at least 50 parts by weight of hydrotalcite of the formula: [Mg1-x Alx(OH)2]x+(CO3)x/2.mH2O wherein: 0

IPC Classes  ?

• C08L 25/06 - Polystyrene
• C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof
• C08J 9/14 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
• C08J 9/12 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent

Abstract

The invention relates to a process and an installation to produce a monovinylaromatic polymer (3) comprising post-consumer recycled polystyrene (PCR-PS) wherein the process comprises the steps of mixing the PCR-PS (5) and the monovinylaromatic monomer (7) within a dissolver (9) to dissolve the PCR-PS (5) in the monovinylaromatic monomer (7) so as to produce a polymerization mixture (13); and a step of filtering the polymerization mixture (13) that includes continuously redirecting at least a part of the stream of the filtered polymerization mixture (17) back to the dissolver (9) and mixing it with the polymerization mixture (13) so as to continuously reduce the content of insoluble material in the polymerization mixture (13) contained in the dissolver (9).

IPC Classes  ?

• B29B 17/02 - Separating plastics from other materials
• C08L 25/06 - Polystyrene
• C08F 257/02 - Macromolecular compounds obtained by polymerising monomers on to polymers of aromatic monomers as defined in group on to polymers of styrene or alkyl-substituted styrenes
• C08J 11/04 - Recovery or working-up of waste materials of polymers
• B29B 17/00 - Recovery of plastics or other constituents of waste material containing plastics
• B29B 17/04 - Disintegrating plastics
• B29K 25/00 - Use of polymers of vinyl-aromatic compounds as moulding material

Abstract

The invention relates a process for the catalytic hydrotreating of a feedstock of petroleum origin of diesel fuel type introduced into a stationary bed hydrotreating unit upstream of a feedstock of natural occurring oil(s) characterized in that the feedstock of natural occurring oil(s) contains acyl-containing compounds having 10 to 24 carbons including fatty acid esters and free fatty acids and said feedstock of natural occurring oil(s) is submitted to a refining by a hydrodynamic cavitation before its introduction into the stationary bed processing.

IPC Classes  ?

• C10G 45/26 - Steam or water
• C10G 31/06 - Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for by heating, cooling, or pressure treatment
• C10G 67/02 - Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only plural serial stages only

Abstract

The present invention relates to the production of high value bio-chemicals, in particular bio-paraffins, bio-LPG, bio-naphtha, bio-jet and bio-distillates in an integrated bio-refinery from complex mixtures of natural occurring fats & oils. The present invention relates to the production of high value bio-chemicals, in particular bio-paraffins, bio-LPG, bio-naphtha, bio-jet and bio-distillates in an integrated bio-refinery from complex mixtures of natural occurring fats & oils. The present invention discloses a process for the production of such bio-chemicals, from natural occurring oil(s) containing acyl-containing compounds having 10 to 24 carbons including fatty acid esters and free fatty acids, and other components including impurities. Natural occurring oil(s) is(are) refined before treatment in a hydroprocessing step. The refining used in the present invention includes a hydrodynamic cavitation to remove impurities which might deteriorate the subsequent hydroprocessing step.

IPC Classes  ?

• C10G 31/06 - Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for by heating, cooling, or pressure treatment
• C10G 9/36 - Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils by direct contact with inert preheated fluids, e.g. with molten metals or salts with heated gases or vapours
• C10G 69/06 - Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one other conversion process plural serial stages only including at least one step of thermal cracking in the absence of hydrogen
• C10G 49/02 - Treatment of hydrocarbon oils, in the presence of hydrogen or hydrogen-generating compounds, not provided for in a single one of groups , , , , or characterised by the catalyst used
• C10G 47/02 - Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen-generating compounds, to obtain lower boiling fractions characterised by the catalyst used

Abstract

melt of at most 140° C. A nonwoven can include the fibers, and a laminate can include the nonwoven. The fibers can be produced by polymerizing the propylene and comonomer in presence of a metallocene-based polymerization catalyst to obtain the metallocene random copolymer. The polypropylene composition can be melt-extruded to obtain a molten polypropylene stream, which can be extruded from capillaries of a spinneret to obtain filaments. A diameter of the filaments can be rapidly reduced to obtain a final diameter.

IPC Classes  ?

• C08F 2/02 - Polymerisation in bulk
• C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
• C08F 210/06 - Propene
• C08L 23/14 - Copolymers of propene
• D01D 1/04 - Melting filament-forming substances
• D01D 5/098 - Melt-spinning methods with simultaneous stretching
• D01D 5/12 - Stretch-spinning methods
• D01D 7/00 - Collecting the newly-spun products
• D04H 3/16 - Non woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
• D01F 6/30 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds comprising olefins as the major constituent
• D01F 6/06 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins from polypropylene
• D01D 5/08 - Melt-spinning methods
• D04H 1/4291 - Olefin series
• D04H 3/007 - Addition polymers

Abstract

The invention relates to drawn articles selected from fibres, tapes, yarns, staple fibres and continuous filaments, the articles comprising a polypropylene having a melt flow index in the range from 0.1 to 4.9 g/10 min as determined according to ISO 1133, condition L, at 230° C. with a load of 2.16 kg; a xylene soluble fraction of at most 0.8 wt %, relative to the total weight of the polypropylene as determined in accordance with ASTM D542-98; a molecular weight distribution Mw/Mn ranging from 2.0 to 5.0; and a melting temperature Tm of at most 155° C. as determined according to ISO 3146. The invention also relates to the process to produce such drawn articles.

IPC Classes  ?

• C08F 10/06 - Propene
• D01D 5/12 - Stretch-spinning methods
• D01D 10/02 - Heat treatment
• D01F 6/06 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins from polypropylene

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 Ml2 of at most 6.0 g/10 min wherein Ml2 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 Gottfert Rheotens Melt Strength Apparatus, 190 °C, as described in the Experimental section, satisfying the following equations (1) and/or (2) (1) X is greater than - 0.026 In(Ml 2 ) + 0.0498 (2) X is greater than - 0.026 In (HLMI) + 0.1334 with Mw being the weight-average molecular weight and Mw being the number-average molecular weight. The present invention also relates to articles comprising said polyethylene resin as well as process for preparing said resin.

IPC Classes  ?

• C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
• C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
• C08J 5/18 - Manufacture of films or sheets

Abstract

The present invention is related to expandable vinyl aromatic polymers comprising comminuted coke, said comminuted coke having an average stack height (Lc) of carbon crystallites at least 4 nm, a volume median particle diameter (D50) comprised between 1 and less than 5 μm and being characterized by a span (D90−D10)/D50 below 2.5 Molded parts produced from the expandable vinyl aromatic polymers prove low thermal conductivities for a low foam density.

IPC Classes  ?

• C08J 9/14 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
• C08J 9/18 - Making expandable particles by impregnating polymer particles with the blowing agent
• C08L 25/08 - Copolymers of styrene
• C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof
• C08J 9/232 - Forming foamed products by sintering expandable particles
• C08K 3/04 - Carbon
• C08J 9/16 - Making expandable particles
• B29C 44/34 - Component parts, details or accessoriesAuxiliary operations
• B29C 44/36 - Feeding the material to be shaped

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.

IPC Classes  ?

• C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
• C08F 4/659 - Component covered by group containing a transition metal-carbon bond
• C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring

Goods & Services

Machines for moulding polymeric materials. Photographic cameras, computer software, data processing apparatus, calculating machines. Treatment of polymeric materials, processing of photographic images. Engineering, chemical and mechanical analyses and research as well as development.

Goods & Services

Unprocessed plastics; untreated artificial resins used in the manufacture of packaging. Plastic packaging materials (not included in other classes). Plastic containers, packaging containers of plastic, non-metal containers for non-edible substances such as petrol, soap and liquid or solid detergents; non-metallic closing devices for containers.

Goods & Services

(1) Unprocessed resins and plastics; untreated plastic and resin material to be used in manufacturing packaging; plastic materials for packaging; containers, not of metal, namely plastic storage containers, bottles and jericans for holding non-food substances namely fuel, diesel, soaps and detergents in liquid or solid form; non-metal closures for containers namely plastic closures for plastic storage containers, bottles and jericans.

Goods & Services

(1) Machine to mould polymeric material; cameras, software namely digital imaging software for processing data in digital images and for creating digital feedback signals from digital camera pictures, data processing machine namely computers, calculating machines. (1) Processing of polymeric materials, photographic imagery by computer namely analysis, processing and treatment of data provided by digital images, processing of pictures; engineering services namely in the field of extrusion, injection and stretch blow moulding and rotational moulding services to mould polymeric materials, chemical and mechanical analysis and research and development namely in the field of extrusion, injection and stretch blow moulding and rotational moulding services.

Goods & Services

Chemicals used in industry and science; hydrocarbons, naphthenes. Motor fuels, diesel, diesel oil, petrol for engines. Processing of petroleum products, removal of aromatics.