-
公开(公告)号：US20240174837A1
公开(公告)日：2024-05-30
申请号：US18284382
申请日：2022-03-31
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor： Ling Fan , Abderrahmane Meddad , Yahya Banat , Jun Zhou
CPC classification number: C08K5/0091 , A01N33/08 , A01N37/02 , A01N59/16 , C08K3/22 , C08K5/103 , C08K5/17 , C08K2201/005
Abstract: A composition includes (a) a polyolefin preferably a polyethylene; and (b) a compound or formulation having an antiviral and antibacterial function, wherein such composition has an increased antiviral rate for H1N1, antiviral rate for Sars-Cov-2, antibacterial rate for E. Coli, and/or antibacterial rate for S. Aureaus.
-
公开(公告)号：US10822435B2
公开(公告)日：2020-11-03
申请号：US15755644
申请日：2016-08-18
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor： Yahya Banat
Abstract: The invention relates to a process and system for the continuous polymerization of one or more α-olefin monomers comprising the steps of: a) introducing catalyst and/or polymer from at least one loop reactor to at least one second reactor b) withdrawing fluids from the at least one second reactor c) cooling fluids comprising the withdrawn fluids with a cooling unit d) introducing the cooled fluids to a separator to separate at least part of the liquid from these fluids to form a liquid phase and a gas/liquid phase e) introducing the gas/liquid phase below to the reactor below a distribution plate f) introducing the liquid phase to a settling tank to separate liquid from fines that settle down in the settling tank g) introducing liquid from the settling tank upstream of the cooling unit, h) introducing the slurry comprising solid polymer particles from the settling tank to the at least one loop reactor.
-
公开(公告)号：US10759883B2
公开(公告)日：2020-09-01
申请号：US15750956
申请日：2016-07-27
Applicant: SABIC Global Technologies B.V.
Inventor： Yahya Banat , Ahmad Abdullah Alshaiban , Osamah Al-Humaidan
IPC: C08F2/34 , C08F10/06 , B01J8/18 , C08F110/06 , C08F210/02 , C08F10/02 , C08F110/02 , C08F210/06 , C08F10/00 , B01J8/08 , C08F2/01 , B01J8/20
Abstract: The present invention relates to a process for the continuous preparation of a polyolefin in a reactor from one or more α-olefin monomers of which at least one is ethylene or propylene, wherein the reactor comprises a fluidized bed, an expanded section located at or near the top of the reactor, a distribution plate located at the lower part of the reactor and an inlet for a recycle stream located under the distribution plate wherein the process comprises—feeding a polymerization catalyst to the fluidized bed in the area above the distribution plate—feeding the one or more α-olefin monomers to the reactor—withdrawing the polyolefin from the reactor—circulating fluids from the top of the reactor to the bottom of the reactor, wherein the circulating fluids are compressed using a compressor and subsequently cooled using a heat exchanger to form a cooled recycle stream comprising liquid, and wherein the cooled recycle stream is introduced into the reactor using the inlet for the recycle stream wherein a part of the cooled recycle stream is drawn to form a liquid comprising stream, wherein the liquid comprising stream is introduced into the expanded section during at least part of the polymerization process, and wherein the liquid comprising stream is brought into contact with at least part of the interior surface of the expanded section.
-
公开(公告)号：US10745499B2
公开(公告)日：2020-08-18
申请号：US15750960
申请日：2016-07-27
Applicant: SABIC Global Technologies B.V.
Inventor： Yahya Banat , Ahmad Abdullah Alshaiban , Osamah Al-Humaidan
IPC: C08F2/34 , C08F10/06 , C08F110/06 , C08F2/01 , C08F210/06 , B01J8/08 , B01J8/18 , B01J8/20
Abstract: The present invention relates to a process for the continuous preparation of polypropylene in a reactor from propylene and optionally ethylene and/or at least one other oolefin monomer, wherein the reactor comprises a fluidized bed, an expanded section located at or near the top of the reactor, a distribution plate located at the lower part of the reactor and an inlet for a recycle stream located under the distribution plate, wherein the process comprises—feeding a polymerization catalyst to the fluidized bed in the area above the distribution plate—feeding the propylene and the optional at least one other oolefin monomer to the reactor—withdrawing the polypropylene from the reactor—circulating fluids from the top of the reactor to the bottom of the reactor, wherein the circulating fluids are compressed using a compressor and cooled using a heat exchanger, resulting in a cooled recycle stream comprising liquid, and wherein the cooled recycle stream is introduced into the reactor using the inlet for the recycle stream wherein an alkane chosen from the group of iso-butane, n-butane, cyclopropane and mixtures thereof is added to the reactor and wherein the molar composition of the components in the recycle stream is chosen such that the dew temperature of the recycle stream at the reactor pressure is at least 0.10° C. below the temperature of the reactor.
-
公开(公告)号：US20200255554A1
公开(公告)日：2020-08-13
申请号：US15755644
申请日：2016-08-18
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor： Yahya Banat
Abstract: The invention relates to a process and system for the continuous polymerization of one or more α-olefin monomers comprising the steps of: a) introducing catalyst and/or polymer from at least one loop reactor to at least one second reactor b) withdrawing fluids from the at least one second reactor c) cooling fluids comprising the withdrawn fluids with a cooling unit d) introducing the cooled fluids to a separator to separate at least part of the liquid from these fluids to form a liquid phase and a gas/liquid phase e) introducing the gas/liquid phase below to the reactor below a distribution plate f) introducing the liquid phase to a settling tank to separate liquid from fines that settle down in the settling tank g) introducing liquid from the settling tank upstream of the cooling unit, h) introducing the slurry comprising solid polymer particles from the settling tank to the at least one loop reactor.
-
Patent Agency Ranking
公开(公告)号：US20200087421A1
公开(公告)日：2020-03-19
申请号：US15750948
申请日：2016-07-27
Applicant: SABIC Global Technologies B.V.
Inventor： Yahya Banat , Ahmad Abdullah Alshaiban , Osamah Maidan
Abstract: The present invention relates to a process for the continuous preparation of a polyolefm in a reactor from one or more α-olefm monomers of which at least one is ethylene or propylene, wherein the reactor comprises a fluidized bed, an expanded section located at or near the top of the reactor, a distribution plate located at the lower part of the reactor and an inlet for a recycle stream located under the distribution plate, wherein the process comprises—feeding a polymerization catalyst to the fluidized bed in the area above the distribution plate—feeding the one or more α-olefm monomers to the reactor—with-drawing the polyolefm from the reactor—circulating fluids from the top of the reactor to the bottom of the reactor, wherein the circulating fluids are cooled using a heat exchanger, resulting in a cooled recycle stream comprising liquid, and wherein the cooled recycle stream is introduced into the reactor using the inlet for the recycle stream wherein a stream comprising a thermal run away reducing agent (TRRA-containing stream) is introduced into the expanded section during at least part of the polymerization process, wherein said TRRA-containing stream is brought into contact with at least part of the interior surface of the expanded section.
-
公开(公告)号：US20180230251A1
公开(公告)日：2018-08-16
申请号：US15750960
申请日：2016-07-27
Applicant: SABIC Global Technologies B.V.
Inventor： Yahya Banat , Ahmad Abdullah Alshaiban , Osamah Maidan
CPC classification number: C08F10/06 , B01J8/08 , B01J8/1836 , B01J8/1863 , B01J8/20 , B01J2208/00168 , B01J2208/00938 , C08F2/01 , C08F2/34 , C08F110/06 , C08F210/06 , C08F2500/04 , C08F2500/17 , C08F4/6465 , C08F4/6546
Abstract: The present invention relates to a process for the continuous preparation of polypropylene in a reactor from propylene and optionally ethylene and/or at least one other oolefin monomer, wherein the reactor comprises a fluidized bed, an expanded section located at or near the top of the reactor, a distribution plate located at the lower part of the reactor and an inlet for a recycle stream located under the distribution plate, wherein the process comprises—feeding a polymerization catalyst to the fluidized bed in the area above the distribution plate—feeding the propylene and the optional at least one other oolefin monomer to the reactor—withdrawing the polypropylene from the reactor—circulating fluids from the top of the reactor to the bottom of the reactor, wherein the circulating fluids are compressed using a compressor and cooled using a heat exchanger, resulting in a cooled recycle stream comprising liquid, and wherein the cooled recycle stream is introduced into the reactor using the inlet for the recycle stream wherein an alkane chosen from the group of iso-butane, n-butane, cyclopropane and mixtures thereof is added to the reactor and wherein the molar composition of the components in the recycle stream is chosen such that the dew temperature of the recycle stream at the reactor pressure is at least 0.10° C. below the temperature of the reactor
-
18.发明申请公开(公告)号：US20160297900A1
公开(公告)日：2016-10-13
申请号：US15100493
申请日：2014-11-24
Inventor： Yahya Banat , Jose Fernando Cevallos-Candau
CPC classification number: C08F10/06 , B01J8/085 , B01J19/2465 , B01J2208/00938 , B01J2219/00033 , B01J2219/185 , C08F2/34 , C08F10/02 , C08F10/00 , C08F2/01 , C08F2/00
Abstract: The invention relates to a multi-zone reactor for the continuous fluidized bed polymerization of one or more α-olefin monomers of which at least one is ethylene or propylene, which multi-zone reactor is operable in condensed mode, which multi-zone reactor comprises a first zone, a second zone, a third zone, a fourth zone and a distribution plate, wherein the second zone contains an inner wall, wherein the third zone contains an inner wall, wherein at least part of the inner wall of the third zone is either in the form of a gradually increasing inner diameter or a continuously opening cone, wherein the diameter or the opening increases in the vertical direction towards the top of the multi-zone reactor, wherein the largest diameter of the inner wall of the third zone is larger than the largest diameter of the inner wall of the second zone.
Abstract translation: 本发明涉及一种用于一种或多种α-烯烃单体的连续流化床聚合的多区域反应器，其中至少一种是乙烯或丙烯，该多区域反应器可以冷凝模式操作，该多区反应器包括 第一区域，第二区域，第三区域，第四区域和分布板，其中所述第二区域包含内壁，其中所述第三区域包含内壁，其中所述第三区域的至少部分内壁 是呈逐渐增加的内径或连续开口锥体的形式，其中直径或开口朝向多区域反应器的顶部在垂直方向上增加，其中第三区域的内壁的最大直径 大于第二区域的内壁的最大直径。
-
公开(公告)号：US20240262946A1
公开(公告)日：2024-08-08
申请号：US18565730
申请日：2022-05-23
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor： Lidong Li , Nasser Abdullah AlSaif , Yahya Banat , Mohammad Al-Shibel
IPC: C08F210/16
CPC classification number: C08F210/16
Abstract: An ethylene-α-olefin copolymer includes moieties derived from ethylene and moieties derived from an α-olefin comprising 3 to 10 carbon atoms, wherein the copolymer has: a short chain branching ratio (SCBR) of >1.40;
a short chain branching content of ≥15.0/1000 C; a molecular weight distribution Mw/Mn of ≥10.0; and a quantity of polymer moieties derived from an α-olefin comprising 3 to 10 carbon atoms of ≥1.0 and ≤20.0 wt %, with regard to the total weight of the copolymer. Such copolymer demonstrates improved melt processability, as well as allows for manufacturing of films having desirable mechanical properties, in particular in production of films such as by blown film production or by cast film production.-
公开(公告)号：US10822433B2
公开(公告)日：2020-11-03
申请号：US16063935
申请日：2016-11-29
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor： Yahya Banat , Abdulaziz Hamad Al-Humydi , Said Fellahi
IPC: C08F2/01 , C08F2/34 , B01J8/26 , C08F2/00 , C08F4/6592
Abstract: The invention relates to a process for transitioning from a first continuous polymerization in a gas phase reactor conducted in the presence of a metallocene catalyst to a second polymerization conducted in the presence of a Ziegler-Natta catalyst in the gas phase reactor wherein the metallocene catalyst and the Ziegler-Natta catalysts are incompatible, the process comprising: (a) discontinuing the introduction of the metallocene catalyst into the gas phase reactor; (b) introducing an effective amount of cyclohexylamine into the reactor to at least partially deactivate the metallocene catalyst; (c) introducing an organometallic compound into the reactor and reacting the organometallic compound with cyclohexylamine; (d) degas the gas composition of the reactor and build up a new composition inside the reactor for the second polymerization with the Ziegler-Natta catalyst (e) introducing the Ziegler-Natta catalyst into the reactor.
-
-
-
-
-
-
-
-
-
Search Results
25
records
(took 0.019 seconds)
