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公开(公告)号：US12129369B2
公开(公告)日：2024-10-29
申请号：US18554488
申请日：2022-04-12
发明人： David Ribour , Jenny Arbon
IPC分类号： C08L23/08
CPC分类号： C08L23/0815 , C08L2205/025 , C08L2207/20 , C08L2314/06
摘要： 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.
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2.发明公开公开(公告)号：US20230416612A1
公开(公告)日：2023-12-28
申请号：US17917483
申请日：2021-04-06
IPC分类号： C10G1/10 , C10G1/00 , C10G11/18 , C10G31/08 , C10G33/00 , C10G45/08 , C10G45/10 , C10G45/40 , C10G45/44 , C10G65/06 , C10G65/12 , C10G67/06 , C10G67/14 , C10G69/06
CPC分类号： C10G1/10 , C10G2300/202 , C10G11/18 , C10G31/08 , C10G33/00 , C10G45/08 , C10G45/10 , C10G45/40 , C10G45/44 , C10G65/06 , C10G65/12 , C10G67/06 , C10G67/14 , C10G69/06 , C10G2300/1003 , C10G1/002
摘要： 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.
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公开(公告)号：US20230323224A1
公开(公告)日：2023-10-12
申请号：US17917488
申请日：2021-04-06
发明人： Cindy ADAM , Delphine MINOUX , Walter VERMEIREN , Sébastien LEPLAT , Emmanuel VAN LOOCK , Christophe BRETON
IPC分类号： C10G65/12 , B01J20/08 , B01J23/883 , B01J23/755 , B01J35/10 , C07C4/04
CPC分类号： C10G65/12 , B01J20/08 , B01J23/883 , B01J23/755 , B01J35/1019 , C07C4/04 , C10G2300/1003 , C10G2400/20 , C10G2400/30 , C10G2300/4006 , C10G2300/4018
摘要： 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.
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公开(公告)号：US20230287282A1
公开(公告)日：2023-09-14
申请号：US17917404
申请日：2021-04-06
发明人： Cindy ADAM , Delphine MINOUX , Walter VERMEIREN , Sébastien LEPLAT , Emmanuel VAN LOOCK , Christophe BRETON
IPC分类号： C10G65/12
CPC分类号： C10G65/12 , C10G2300/70 , C10G2300/201 , C10G2300/1003 , C10G2300/4006
摘要： 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.
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公开(公告)号：US20230174755A1
公开(公告)日：2023-06-08
申请号：US17768804
申请日：2020-10-13
发明人： David Ribour , Jenny Arbon
IPC分类号： C08L23/08
CPC分类号： C08L23/0815 , C08L2205/025 , C08L2207/20 , C08L2207/062 , C08L2314/06
摘要： 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.
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6.发明授权公开(公告)号：US11845816B2
公开(公告)日：2023-12-19
申请号：US16614411
申请日：2018-05-18
发明人： Manel Perrot , Pieter Geeurickx
CPC分类号： C08F10/06 , D01D5/12 , D01D10/02 , D01F6/06 , D10B2321/022
摘要： 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.
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公开(公告)号：US20230323101A1
公开(公告)日：2023-10-12
申请号：US18022775
申请日：2021-10-14
IPC分类号： C08L23/14
CPC分类号： C08L23/14 , C08L2205/025 , C08L2314/06
摘要： 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.
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公开(公告)号：US20240309192A1
公开(公告)日：2024-09-19
申请号：US18263611
申请日：2022-01-25
发明人： Eloïne NPETGAT
IPC分类号： C08L25/06
CPC分类号： C08L25/06 , C08L2205/025 , C08L2205/03
摘要： 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.
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公开(公告)号：US20240286062A1
公开(公告)日：2024-08-29
申请号：US18572487
申请日：2022-07-19
发明人： Serge EON
摘要： 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.
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公开(公告)号：US20240209195A1
公开(公告)日：2024-06-27
申请号：US18554488
申请日：2022-04-12
发明人： David RIBOUR , Jenny ARBON
IPC分类号： C08L23/08
CPC分类号： C08L23/0815 , C08L2205/025 , C08L2207/20 , C08L2314/06
摘要： 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.
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