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    Phase separator and monomer recycle for supercritical polymerization process
    1.
    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

    申请人： Chris B. Friedersdorf ,  Patrick Brant ,  Gabor Kiss

    发明人： Chris B. Friedersdorf ,  Patrick Brant ,  Gabor Kiss

    IPC分类号： C08F6/26 ,  C08F10/06

    CPC分类号： C08F10/06 ,  C08F4/65927 ,  C08F210/06 ,  Y02P20/544 ,  C08F2/06 ,  C08F2/14 ,  C08F210/14

    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。

    PHASE SEPARATOR AND MONOMER RECYCLE FOR SUPERCRITICAL POLYMERIZATION PROCESS
    2.
    发明申请
    PHASE SEPARATOR AND MONOMER RECYCLE FOR SUPERCRITICAL POLYMERIZATION PROCESS 有权

    公开(公告)号：US20110313115A9

    公开(公告)日：2011-12-22

    申请号：US11854936

    申请日：2007-09-13

    申请人： Chris B. Friedersdorf ,  Patrick Brant ,  Gabor Kiss

    发明人： Chris B. Friedersdorf ,  Patrick Brant ,  Gabor Kiss

    IPC分类号： C08F2/04

    CPC分类号： C08F10/06 ,  C08F4/65927 ,  C08F210/06 ,  Y02P20/544 ,  C08F2/06 ,  C08F2/14 ,  C08F210/14

    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
    3.
    发明申请
    Phase Separator and Monomer Recycle for Supercritical Polymerization Process 有权

    公开(公告)号：US20080153996A1

    公开(公告)日：2008-06-26

    申请号：US11854936

    申请日：2007-09-13

    申请人： Chris B. Friedersdorf ,  Patrick Brant ,  Gabor Kiss

    发明人： Chris B. Friedersdorf ,  Patrick Brant ,  Gabor Kiss

    IPC分类号： C08F2/04

    CPC分类号： C08F10/06 ,  C08F4/65927 ,  C08F210/06 ,  Y02P20/544 ,  C08F2/06 ,  C08F2/14 ,  C08F210/14

    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.

    Polymer production at supersolution conditions
    4.
    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

    申请人： Patrick Brant ,  Kiss Gabor ,  Chris B. Friedersdorf ,  James R. Lattner ,  Gary L. Casty

    发明人： Patrick Brant ,  Kiss Gabor ,  Chris B. Friedersdorf ,  James R. Lattner ,  Gary L. Casty

    IPC分类号： C08F10/06 ,  C08F2/06 ,  C08F4/60 ,  C08F4/64

    CPC分类号： C08F10/06 ,  C08F10/00 ,  C08F110/06 ,  C08F210/06 ,  C08F2/14 ,  C08F2/00 ,  C08F2/06 ,  C08F2500/15 ,  C08F2500/20 ,  C08F2500/09 ,  C08F2500/12 ,  C08F2500/01 ,  C08F2500/03 ,  C08F2500/17 ,  C08F2500/23 ,  C08F210/14 ,  C08F4/64144

    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。

    Processes and apparatus for continuous solution polymerization
    6.
    发明授权
    Processes and apparatus for continuous solution polymerization 有权
    连续溶液聚合的方法和设备

    公开(公告)号：US08425847B2

    公开(公告)日：2013-04-23

    申请号：US12972223

    申请日：2010-12-17

    申请人： Bruce C. Devoy ,  Vetkav R. Eswaran ,  Chris B. Friedersdorf

    发明人： Bruce C. Devoy ,  Vetkav R. Eswaran ,  Chris B. Friedersdorf

    IPC分类号： B01J19/00 ,  C08F210/00 ,  C08F2/08 ,  B32B17/10 ,  B60C1/00

    CPC分类号： C08F6/12 ,  B01D3/10 ,  B01J2219/00006 ,  C08F6/003 ,  C08F6/02 ,  C08F10/00 ,  C08L23/00 ,  C08F2/06 ,  C08F2/01

    摘要： The disclosure provides a plant for the continuous solution polymerization of a feed comprising one or more olefin monomers in a solvent, e.g., hydrocarbon solvent, in which the plant comprises means for separating solvent from the polymer including a flash tank and a vacuum devolatilizer. The plant also includes in a first aspect stabilizer addition means for adding a stabilizer to the concentrated polymer fines at a location downstream of the flash and upstream of the vacuum devolatilizer. In another aspect the plant comprises means to add a molten stabilizer to the polymer at a location downstream of the reactors.

    摘要翻译： 本公开提供了用于在溶剂例如烃溶剂中包含一种或多种烯烃单体的进料的连续溶液聚合的设备，其中所述设备包括用于从包括闪蒸罐和真空脱挥器的聚合物分离溶剂的装置。 该植物还包括第一方面的稳定剂添加装置，用于在闪蒸下游的位置和真空脱挥器的上游处向浓缩的聚合物细粒中加入稳定剂。 在另一方面，该装置包括在反应器下游的位置处向聚合物中加入熔融稳定剂的装置。

    Processes and Apparatus for Continuous Solution Polymerization
    8.
    发明申请
    Processes and Apparatus for Continuous Solution Polymerization 有权
    连续溶液聚合的方法和设备

    公开(公告)号：US20110172337A1

    公开(公告)日：2011-07-14

    申请号：US12972223

    申请日：2010-12-17

    申请人： Bruce C. Devoy ,  Vetkav R. Eswaran ,  Chris B. Friedersdorf

    发明人： Bruce C. Devoy ,  Vetkav R. Eswaran ,  Chris B. Friedersdorf

    IPC分类号： C08J3/20 ,  C08L23/02 ,  C08K5/134 ,  B01J19/00

    CPC分类号： C08F6/12 ,  B01D3/10 ,  B01J2219/00006 ,  C08F6/003 ,  C08F6/02 ,  C08F10/00 ,  C08L23/00 ,  C08F2/06 ,  C08F2/01

    摘要： The disclosure provides a plant for the continuous solution polymerization of a feed comprising one or more olefin monomers in a solvent, e.g., hydrocarbon solvent, in which the plant comprises means for separating solvent from the polymer including a flash tank and a vacuum devolatilizer. The plant also includes in a first aspect stabilizer addition means for adding a stabilizer to the concentrated polymer fines at a location downstream of the flash and upstream of the vacuum devolatilizer. In another aspect the plant comprises means to add a molten stabilizer to the polymer at a location downstream of the reactors.

    摘要翻译： 本公开提供了用于在溶剂例如烃溶剂中包含一种或多种烯烃单体的进料的连续溶液聚合的设备，其中所述设备包括用于从包括闪蒸罐和真空脱挥器的聚合物分离溶剂的装置。 该植物还包括第一方面的稳定剂添加装置，用于在闪蒸下游的位置和真空脱挥器的上游处向浓缩的聚合物细粒中加入稳定剂。 在另一方面，该装置包括在反应器下游的位置处向聚合物中加入熔融稳定剂的装置。