Polymer production at supersolution conditions
    1.
    发明授权
    Polymer production at supersolution conditions 有权
    聚合物在超溶解条件下的生产

    公开(公告)号:US08008412B2

    公开(公告)日:2011-08-30

    申请号:US11954273

    申请日:2007-12-12

    摘要: This invention relates to a process to polymerize olefins comprising contacting propylene, at a temperature of 65° C. to 150° C. and a pressure of 1.72 to 34.5 MPa, with: 1) a catalyst system comprising one or more activators and one or more nonmetallocene metal-centered, heteroaryl ligand catalyst compounds, where the metal is chosen from the Group 4, 5, 6, the lanthanide series, or the actinide series of the Periodic Table of the Elements, 2) optionally one or more comonomers selected from ethylene and C4 to C12 olefins, 3) diluent or solvent, and 4) optionally scavenger, wherein: a) the olefin monomers and any comonomers are present in the polymerization system at 30 wt % or more, b) the propylene is present in the feed at 80 wt % or more, c) the polymerization occurs at a temperature above the solid-fluid phase transition temperature of the polymerization system and a pressure greater than 1 MPa below the cloud point pressure of the polymerization system, and d) the polymerization occurs: (1) at a temperature below the critical temperature of the polymerization system, or (preferably and) (2) at a pressure below the critical pressure of the polymerization system.

    摘要翻译: 本发明涉及聚合烯烃的方法,包括使丙烯在65℃至150℃的温度和1.72至34.5MPa的压力下接触,其中:1)包含一种或多种活化剂和一种或多种活化剂的催化剂体系 更多的非金属茂金属中心的杂芳基配位体催化剂化合物,其中金属选自第4,5,6族,镧系元素或元素周期表的锕系列,2)任选的一种或多种共聚单体,其选自 乙烯和C 4至C 12烯烃,3)稀释剂或溶剂,和4)任选的清除剂,其中:a)烯烃单体和任何共聚单体在聚合体系中以30重量%或更多存在,b)丙烯存在于 进料为80重量%以上,c)在高于聚合体系的固体 - 流体相转变温度的温度和低于聚合体系浊点压力1MPa的压力下进行聚合,和d)聚合反应 n发生:(1)在低于聚合体系临界温度的温度下,或(优选和)(2)在低于聚合体系临界压力的压力下。

    Super-solution homogeneous propylene polymerization
    2.
    发明授权
    Super-solution homogeneous propylene polymerization 有权
    超溶液均相丙烯聚合

    公开(公告)号:US08058371B2

    公开(公告)日:2011-11-15

    申请号:US12098907

    申请日:2008-04-07

    摘要: Processes for polymerizing propylene. About 40 wt % to about 80 wt % propylene monomer, based on total weight of propylene monomer and diluent, and about 20 wt % to about 60 wt % diluent, based on total weight of propylene monomer and diluent, can be fed into a reactor. The propylene monomer can be polymerized in the presence of a metallocene catalyst and an activator within the reactor at a temperature of about 80° C. or more and a pressure of about 13 MPa or more to produce a polymer product in a homogenous system. About 20 wt % to about 76 wt % (preferably About 28 wt % to about 76 wt %) propylene monomer, based on total weight of the propylene monomer, diluent, and polymer product, can be present at the reactor exit at steady state conditions.

    摘要翻译: 丙烯聚合方法 基于丙烯单体和稀释剂的总重量计,约40重量%至约80重量%的丙烯单体和约20重量%至约60重量%的稀释剂(基于丙烯单体和稀释剂的总重量)可以进料到反应器 。 丙烯单体可在茂金属催化剂和活化剂存在下在约80℃以上的温度和约13MPa或更高的压力下在反应器内聚合,以在均匀体系中生产聚合物产物。 基于丙烯单体,稀释剂和聚合物产物的总重量,约20重量%至约76重量%(优选约28重量%至约76重量%)的丙烯单体可以在稳态条件下在反应器出口处存在 。

    Super-Solution Homogeneous Propylene Polymerization
    3.
    发明申请
    Super-Solution Homogeneous Propylene Polymerization 有权
    超溶液均相丙烯聚合

    公开(公告)号:US20080188635A1

    公开(公告)日:2008-08-07

    申请号:US12098907

    申请日:2008-04-07

    IPC分类号: C08F110/06

    摘要: Processes for polymerizing propylene. About 40 wt % to about 80 wt % propylene monomer, based on total weight of propylene monomer and diluent, and about 20 wt % to about 60 wt % diluent, based on total weight of propylene monomer and diluent, can be fed into a reactor. The propylene monomer can be polymerized in the presence of a metallocene catalyst and an activator within the reactor at a temperature of about 80° C. or more and a pressure of about 13 MPa or more to produce a polymer product in a homogenous system. About 20 wt % to about 76 wt % (preferably About 28 wt % to about 76 wt %) propylene monomer, based on total weight of the propylene monomer, diluent, and polymer product, can be present at the reactor exit at steady state conditions.

    摘要翻译: 丙烯聚合方法 基于丙烯单体和稀释剂的总重量计,约40重量%至约80重量%的丙烯单体和约20重量%至约60重量%的稀释剂(基于丙烯单体和稀释剂的总重量)可以进料到反应器 。 丙烯单体可在茂金属催化剂和活化剂存在下在约80℃以上的温度和约13MPa或更高的压力下在反应器内聚合,以在均匀体系中生产聚合物产物。 基于丙烯单体,稀释剂和聚合物产物的总重量,约20重量%至约76重量%(优选约28重量%至约76重量%)的丙烯单体可以在稳态条件下在反应器出口处存在 。

    PHASE SEPARATOR AND MONOMER RECYCLE FOR SUPERCRITICAL POLYMERIZATION PROCESS

    公开(公告)号:US20110313115A9

    公开(公告)日:2011-12-22

    申请号:US11854936

    申请日:2007-09-13

    IPC分类号: C08F2/04

    摘要: This invention relates to a process for polymerizing olefins, comprising the steps of:(a) contacting in one or more reactors, in a dense fluid homogeneous polymerization system, olefin monomers having three or more carbon atoms present at 30 weight % or more (based upon the weight of the monomers and comonomers entering the reactor), with: 1) one or more catalyst compounds, 2) one or more activators, 3) from 0 to 50 mole % comonomer (based upon the amount of the monomers and comonomers entering the reactor), and 4) 0 to 40 wt % diluent or solvent (based upon the weight of the polymerization system), at a temperature above the crystallization temperature of the polymerization system and a pressure no lower than 10 MPa below the cloud point pressure of the polymerization system and less than 200 MPa, where the polymerization system comprises the monomers, any comonomer present, any diluent or solvent present, any scavenger present, and the polymer product;(b) forming a reactor effluent comprising a polymer-monomer mixture;(c) optionally heating the polymer-monomer mixture of (b) after it exits the reactor and before or after the pressure is reduced in step (e);(d) collecting the polymer-monomer mixture of (b) in a separation vessel;(e) reducing the pressure of the reactor effluent comprising the polymer-monomer mixture of (b) below the cloud point pressure to form a two-phase mixture comprising a polymer-rich phase and a monomer rich phase either before or after collecting the polymer-monomer mixture in the separation vessel where the pressure in the reactor (or at least one reactor if more than one is in use) is between 7 and 100 MPa higher than the pressure in the separation vessel and the temperature in the separation vessel is above the crystallization temperature of the polymer or above 80° C. if the polymer has no crystallization temperature, whichever is higher;(f) separating the monomer-rich phase from the polymer-rich phase;(g) recycling the separated monomer-rich phase to one or more reactors of (a); and(h) recovering polymer from the polymer-rich phase.

    Phase Separator and Monomer Recycle for Supercritical Polymerization Process

    公开(公告)号:US20080153996A1

    公开(公告)日:2008-06-26

    申请号:US11854936

    申请日:2007-09-13

    IPC分类号: C08F2/04

    摘要: This invention relates to a process for polymerizing olefins, comprising the steps of:(a) contacting in one or more reactors, in a dense fluid homogeneous polymerization system, olefin monomers having three or more carbon atoms present at 30 weight % or more (based upon the weight of the monomers and comonomers entering the reactor), with: 1) one or more catalyst compounds, 2) one or more activators, 3) from 0 to 50 mole % comonomer (based upon the amount of the monomers and comonomers entering the reactor), and 4) 0 to 40 wt % diluent or solvent (based upon the weight of the polymerization system), at a temperature above the crystallization temperature of the polymerization system and a pressure no lower than 10 MPa below the cloud point pressure of the polymerization system and less than 200 MPa, where the polymerization system comprises the monomers, any comonomer present, any diluent or solvent present, any scavenger present, and the polymer product;(b) forming a reactor effluent comprising a polymer-monomer mixture;(c) optionally heating the polymer-monomer mixture of (b) after it exits the reactor and before or after the pressure is reduced in step (e);(d) collecting the polymer-monomer mixture of (b) in a separation vessel;(e) reducing the pressure of the reactor effluent comprising the polymer-monomer mixture of (b) below the cloud point pressure to form a two-phase mixture comprising a polymer-rich phase and a monomer rich phase either before or after collecting the polymer-monomer mixture in the separation vessel where the pressure in the reactor (or at least one reactor if more than one is in use) is between 7 and 100 MPa higher than the pressure in the separation vessel and the temperature in the separation vessel is above the crystallization temperature of the polymer or above 80° C. if the polymer has no crystallization temperature, whichever is higher;(f) separating the monomer-rich phase from the polymer-rich phase;(g) recycling the separated monomer-rich phase to one or more reactors of (a); and(h) recovering polymer from the polymer-rich phase.

    Phase separator and monomer recycle for supercritical polymerization process
    6.
    发明授权
    Phase separator and monomer recycle for supercritical polymerization process 有权
    用于超临界聚合过程的相分离器和单体循环

    公开(公告)号:US08242237B2

    公开(公告)日:2012-08-14

    申请号:US11854936

    申请日:2007-09-13

    IPC分类号: C08F6/26 C08F10/06

    摘要: A process for polymerizing olefins, comprising the steps of: (a) contacting in a dense-fluid-homogeneous-polymerization system (“PS”), >30 wt % C3+ olefins with: catalyst, activator, 0-50 mol % comonomer, and 0-40 wt % diluent/solvent, at a temperature > PS Tc and a pressure no lower than 1 MPa below the PS cloud point pressure and the polymer or above 80° C., whichever is higher; (f) separating the monomer-rich phase from the polymer-rich phase; (g) recycling the separated monomer-rich phase and recovering polymer from the polymer-rich phase.

    摘要翻译: 一种聚合烯烃的方法,包括以下步骤:(a)在稠密 - 液体均相聚合体系(“PS”)中,> 30wt%的C 3+烯烃与催化剂,活化剂,0-50mol%共聚单体, 和0-40重量%稀释剂/溶剂,温度> PS Tc和低于PS浊点压力和<200MPa的不低于1MPa的压力; (b)形成包含聚合物 - 单体混合物的反应器流出物; (c)任选地加热混合物(b); (d)在分离容器中收集混合物(b); (e)降低压力以形成两相混合物,其中反应器中的压力高于分离容器中的压力为7-100MPa,分离容器中的温度>聚合物或高于80℃, 以较高者为准; (f)从富含聚合物的相分离富单体相; (g)循环分离的富含单体的相并从富含聚合物的相回收聚合物。

    Polymer production at supercritical conditions
    7.
    发明申请
    Polymer production at supercritical conditions 审中-公开
    聚合物在超临界条件下的生产

    公开(公告)号:US20080153997A1

    公开(公告)日:2008-06-26

    申请号:US11714546

    申请日:2007-03-06

    IPC分类号: C08F4/42 C08F2/00 C08F4/46

    摘要: This invention relates to a process to polymerize olefins comprising contacting, at a temperature of 60° C. or more and a pressure of at least 15 MPa, one or more olefin monomers having three or more carbon atoms, with: 1) a catalyst system comprising one or more activators and one or more nonmetallocene metal-centered, heteroaryl ligand catalyst compounds, where the metal is chosen from the Group 4, 5, 6, the lanthanide series, or the actinide series of the Periodic Table of the Elements, 2) optionally one or more comonomers, 3) optionally diluent or solvent, and 40 optionally solvent, wherein: a) the olefin monomers and any comonomers are present in the polymerization system at 40 weight % or more, b) the monomer having three or more carbon atoms is present at 80 wt % or more based upon the weight of all monomers and comonomers present in the feed, c) the polymerization occurs at a temperature above the solid-fluid phase transition temperature of the polymerization system and a pressure no lower than 10 MPa below the cloud point pressure of the polymerization system and less than 1500 MPa, in the event the solid-fluid phase transition temperature of the polymerization system cannot be determined then the polymerization occurs at a temperature above the fluid fluid phase transition temperature.

    摘要翻译: 本发明涉及一种聚合烯烃的方法,包括在60℃或更高的温度和至少15MPa的压力下使一种或多种具有三个或更多个碳原子的烯烃单体与以下物质接触:1)催化剂体系 包含一种或多种活化剂和一种或多种非金属茂金属中心的杂芳基配位体催化剂化合物,其中金属选自第4,5,6族,镧系元素或元素周期表的锕系元素,2 )任选的一种或多种共聚单体,3)任选的稀释剂或溶剂,以及40任选溶剂,其中:a)烯烃单体和任何共聚单体在40重量%或更多的重量%存在于聚合体系中,b)具有三个或更多个的单体 基于进料中存在的所有单体和共聚单体的重量,碳原子存在于80重量%以上,c)聚合在高于聚合体系的固体 - 流体相转变温度的温度下进行, 肯定不低于聚合体系的浊点压力10MPa以下,并且小于1500MPa,在聚合体系的固体流体相转变温度不能确定的情况下,聚合在高于流体流体相的温度下发生 转变温度。

    Polymer Production at Supersolution Conditions
    8.
    发明申请
    Polymer Production at Supersolution Conditions 有权
    超分解条件下的聚合物生产

    公开(公告)号:US20080090974A1

    公开(公告)日:2008-04-17

    申请号:US11954273

    申请日:2007-12-12

    IPC分类号: C08F4/16 C08F2/01 C08F2/04

    摘要: This invention relates to a process to polymerize olefins comprising contacting propylene, at a temperature of 65° C. to 150° C. and a pressure of 1.72 to 34.5 MPa, with: 1) a catalyst system comprising one or more activators and one or more nonmetallocene metal-centered, heteroaryl ligand catalyst compounds, where the metal is chosen from the Group 4, 5, 6, the lanthanide series, or the actinide series of the Periodic Table of the Elements, 2) optionally one or more comonomers selected from ethylene and C4 to C12 olefins, 3) diluent or solvent, and 4) optionally scavenger, wherein: a) the olefin monomers and any comonomers are present in the polymerization system at 30 wt % or more, b) the propylene is present in the feed at 80 wt % or more, c) the polymerization occurs at a temperature above the solid-fluid phase transition temperature of the polymerization system and a pressure greater than 1 MPa below the cloud point pressure of the polymerization system, and d) the polymerization occurs: (1) at a temperature below the critical temperature of the polymerization system, or (preferably and) (2) at a pressure below the critical pressure of the polymerization system.

    摘要翻译: 本发明涉及聚合烯烃的方法,包括使丙烯在65℃至150℃的温度和1.72至34.5MPa的压力下接触,其中:1)包含一种或多种活化剂和一种或多种活化剂的催化剂体系 更多的非金属茂金属中心的杂芳基配位体催化剂化合物,其中金属选自第4,5,6族,镧系元素或元素周期表的锕系列,2)任选的一种或多种共聚单体,其选自 乙烯和C 4至C 12烯烃,3)稀释剂或溶剂,和4)任选的清除剂,其中:a)烯烃单体和任何共聚单体在聚合体系中以30重量%或更多存在,b)丙烯存在于 进料为80重量%以上,c)在高于聚合体系的固体 - 流体相转变温度的温度和低于聚合体系浊点压力1MPa的压力下进行聚合,和d)聚合反应 n发生:(1)在低于聚合体系临界温度的温度下,或(优选和)(2)在低于聚合体系临界压力的压力下。