Process and Apparatus for Manufacturing a Styrene Polymer in a Mechanically Stirred Reactor
    1.
    发明申请
    Process and Apparatus for Manufacturing a Styrene Polymer in a Mechanically Stirred Reactor 有权
    在机械搅拌反应器中制造苯乙烯聚合物的方法和装置

    公开(公告)号:US20080214751A1

    公开(公告)日:2008-09-04

    申请号:US11666738

    申请日:2005-11-10

    IPC分类号: C08F2/01 B01J19/18

    摘要: A process and apparatus for the (co) polymerization of styrene. The process is carried out by employing a liquid polymerization reaction mixture that includes styrene, in a mechanically stirred reactor in the form of a vessel comprising a side wall having the shape of a cylinder of revolution with a vertical axis (A), a bottom head and a top head that are joined to the side wall, the vessel being provided with a mechanical stirring device comprising (i) a central shaft of vertical axis coincident with the axis (A), connected to a drive system comprising a motor for rotating the central shaft, (ii) at least one baffle attached to the vessel, which process is characterized in that the baffle is away from the side wall of the vessel and takes the form of a cylinder of vertical axis and of rhomboidal cross section.

    摘要翻译: 苯乙烯(共)聚合的方法和装置。 该方法通过使用包括苯乙烯的液体聚合反应混合物,在机械搅拌的反应器中以容器的形式进行,该容器包括具有垂直轴线(A)的具有旋转圆筒形状的侧壁,底部头部 以及连接到所述侧壁的顶部头部,所述容器设置有机械搅拌装置,所述机械搅拌装置包括:(i)与所述轴线(A)重合的垂直轴线的中心轴,连接到驱动系统,所述驱动系统包括用于使 中心轴,(ii)附接到容器的至少一个挡板,该过程的特征在于挡板远离容器的侧壁并且采取垂直轴线和菱形截面的圆柱体的形式。

    Process and apparatus for degassing a polymer
    2.
    发明申请
    Process and apparatus for degassing a polymer 有权
    用于脱气聚合物的方法和设备

    公开(公告)号:US20050240003A1

    公开(公告)日:2005-10-27

    申请号:US10525731

    申请日:2003-08-14

    IPC分类号: B01F5/04 B01F5/06 C08F6/00

    摘要: The present invention relates to a process for stripping residual volatile compounds contained in a thermoplastic polymer. The process comprises (1) forming the polymer in the form of a melt flowing as a main stream, (2) forming a foaming agent in the form of one or more secondary liquid streams, (3) adding the secondary stream(s) to the main stream by spraying so as to divide each secondary liquid stream into several fractional streams and thus to form a polymer melt/foaming agent pre-mixture, (4) introducing the pre-mixture into a static mixer, then into an expansion chamber at reduced pressure so as to separate the polymer melt from the residual volatile compounds and from the foaming agent, and (5) withdrawing the polymer melt from the expansion chamber. The invention also relates to an apparatus for removing residual volatile compounds contained in a thermoplastic polymer. The apparatus comprises (i) a polymer melt feed line, (ii) an addition chamber into which the feed line runs and through which the polymer flows as a main stream, (iii) one or more lines for adding a foaming agent as one or more secondary liquid stream(s), which lines run into the addition chamber and have at their ends a spray device allowing each secondary liquid stream to be divided into several fractional streams, (iv) a static mixer having an inlet, connected to the addition chamber, and an outlet, and (v) an expansion chamber for separating the polymer melt from the residual volatile compounds and from the foaming agent, which chamber is connected to the outlet of the static mixer and is provided with a line for withdrawing the polymer melt and with a line for extracting the residual volatile compounds and the foaming agent.

    摘要翻译: 本发明涉及剥离热塑性聚合物中所含的挥发性化合物的方法。 该方法包括(1)形成以主流流动的熔体形式的聚合物,(2)形成一种或多种次级液体流形式的发泡剂,(3)将二级流加入到 主流通过喷射将每个次级液体流分成几个分数流,从而形成聚合物熔体/发泡剂预混合物,(4)将预混合物引入静态混合器中,然后进入膨胀室 降低聚合物熔体与残留的挥发性化合物和发泡剂的分离,和(5)从膨胀室中取出聚合物熔体。 本发明还涉及用于除去热塑性聚合物中所含的挥发性化合物的装置。 该设备包括(i)聚​​合物熔体进料管线,(ii)加料室,进料管线穿过该加料室,聚合物以主流流经该加料室,(iii)一条或多条用于将发泡剂作为一个或多个 更多次级液体流,这些管线进入加料室,并在其末端具有喷雾装置,允许将每个次级液体流分成几部分流,(iv)静态混合器,其具有连接到加料口的入口 室和出口,和(v)用于将聚合物熔体与残留的挥发性化合物和发泡剂分离的膨胀室,该室与静态混合器的出口连接,并且设置有用于抽出聚合物的管线 熔融并用一条线来萃取残留的挥发性化合物和发泡剂。

    Process for devolatilization of polymer of an aromatic alkylene
    3.
    发明授权
    Process for devolatilization of polymer of an aromatic alkylene 有权
    芳族亚烷基聚合物脱挥发分的方法

    公开(公告)号:US08207291B2

    公开(公告)日:2012-06-26

    申请号:US12451908

    申请日:2008-06-03

    IPC分类号: C08C2/06

    CPC分类号: C08F6/005 C08F6/008 C08L25/00

    摘要: Process for devolatilization of a polymer of an aromatic alkylene, such as styrene and, in particular, an improved process using water as a stripping agent (i) in which the total amount of water to be disposed of can be reduced, (ii) which allows at least a portion of the water to be recycled as stripping agent, reducing make-up requirements for the stripping agent, and (iii) which allows at least a portion of the aromatic alkylene monomer in the water to be recycled to the polymerization process (via the devolatilization steps) rather than being disposed.

    摘要翻译: 芳族亚烷基如苯乙烯的聚合物的脱挥发分的方法,特别是使用水作为汽提剂的改进方法(i)其中可以减少处理的水的总量,(ii)哪些 允许至少一部分水作为汽提剂再循环,减少汽提剂的补充要求,和(iii)允许水中至少一部分芳族亚烷基单体再循环到聚合过程中 (通过脱挥发分步骤)而不是被处理。

    Process and device for manufacturing an aromatic alkylene polymer
    4.
    发明授权
    Process and device for manufacturing an aromatic alkylene polymer 有权
    用于制备芳族亚烷基聚合物的方法和装置

    公开(公告)号:US07112646B2

    公开(公告)日:2006-09-26

    申请号:US10485100

    申请日:2002-07-10

    IPC分类号: C08G63/00

    摘要: The present invention relates to a process and a device for the continuous manufacture of a polymer of an aromatic alkylene monomer e.g. styrene comprising a bulk polymerisation of the monomer and a devolatilization of the resulting polymer in at least two successive steps so as to separate the polymer from the unreacted monomer and the oligomers formed during the polymerisation. The process comprises conveying a first gas stream resulting from the first step of the devolatilization into a first zone Z1 for direct condensation and fractionation, removing a gas stream G1 comprising essentially the monomer from the top of Z1, and removing a liquid stream L1 rich in oligomers from the bottom of Z1, a portion of L1 being taken, cooled and then returned into Z1. It also comprises conveying a second gas stream resulting from the second step of the devolatilization into a second zone Z2 for direct condensation and fractionation, this zone being also fed with the other portion of L1, removing a gas stream G2 comprising the monomer from the top of Z2, and removing a liquid stream L3 comprising essentially the oligomers from the bottom of Z2. The process and the device are particularly suitable for continuously manufacturing a styrene polymer, a styrene copolymer having a high impact strength modified by grafting onto a rubber, an expandable polystyrene or an expanded polystyrene. The invention is useful for improving the separation of the unreacted monomer from the oligomers and the quality of the polymer when the unreacted monomer thus separated is recycled e.g. to the polymerisation.

    摘要翻译: 本发明涉及用于连续制造芳族亚烷基单体的聚合物的方法和装置,例如 苯乙烯包括单体的本体聚合和至少两个连续步骤使所得聚合物脱挥发分,以便将聚合物与未反应的单体和聚合期间形成的低聚物分离。 该方法包括将由脱挥发分的第一步产生的第一气流输送到第一区域Z 1中以直接冷凝和分馏,从Z 1的顶部除去基本上由单体组成的气流G 1,并除去液体流 L 1从Z 1的底部富含低聚物,取出一部分L 1,冷却,然后返回到Z 1中。 它还包括将从脱挥发分的第二步产生的第二气流输送到用于直接冷凝和分馏的第二区域Z 2中,该区域还被供给L 1的另一部分,除去包含单体的气流G 2 从Z 2的顶部排出并从Z 2的底部除去基本上由低聚物组成的液体流L 3。 该方法和装置特别适用于连续制造苯乙烯聚合物,通过接枝到橡胶,可发性聚苯乙烯或发泡聚苯乙烯上而具有高冲击强度的苯乙烯共聚物。 当将如此分离的未反应单体再循环时,本发明可用于改进未反应单体与低聚物的分离和聚合物的质量。 到聚合。

    Continuous process for polymerizing a vinyl monomer
    5.
    发明授权
    Continuous process for polymerizing a vinyl monomer 有权
    用于聚合乙烯基单体的连续方法

    公开(公告)号:US6162879A

    公开(公告)日:2000-12-19

    申请号:US157106

    申请日:1998-09-18

    摘要: The present invention relates to a continuous process for polymerizing a vinyl monomer wherein a liquid reaction mixture flows through a tubular reactor equipped with a primary heat exchanger connected to a primary cooling loop where a primary coolant liquid circulates, optionally cooled by contact with a secondary heat exchanger fitted in the said primary loop and placed in a heat exchange zone of a secondary cooling device containing a secondary coolant liquid. The primary coolant liquid employed in the absence of a secondary cooling device or the secondary coolant liquid consists essentially of superheated water under pressure which produces low-pressure steam which preferably is recovered at least partly thermally or energetically.

    摘要翻译: 本发明涉及一种用于聚合乙烯基单体的连续方法,其中液体反应混合物流经管式反应器,该管式反应器装备有连接到初级冷却回路的主要热交换器,其中初级冷却剂液体循环,任选地通过与二级热接触冷却 交换器装配在所述主回路中并且放置在包含二次冷却剂液体的二次冷却装置的热交换区中。 在没有二次冷却装置或二次冷却液的情况下使用的主要冷却剂液体基本上由压力下的过热水组成,其产生优选至少部分热或能量回收的低压蒸汽。

    Process and apparatus for manufacturing a styrene polymer in a mechanically stirred reactor
    6.
    发明授权
    Process and apparatus for manufacturing a styrene polymer in a mechanically stirred reactor 有权
    在机械搅拌反应器中制造苯乙烯聚合物的方法和装置

    公开(公告)号:US07883671B2

    公开(公告)日:2011-02-08

    申请号:US11666738

    申请日:2005-11-10

    IPC分类号: B01J19/18 B01J19/00 C08F2/00

    摘要: Process and apparatus for the (co) polymerization of styrene. The process is carried out by employing a liquid polymerization reaction mixture that includes styrene, in a mechanically stirred reactor in the form of a vessel comprising a side wall having the shape of a cylinder of revolution with a vertical axis (A), a bottom head and a top head that are joined to the side wall. The vessel is provided with a mechanical stirring device comprising (i) a central shaft of vertical axis coincident with the axis (A), connected to a drive system comprising a motor for rotating the central shaft, (ii) at least one baffle attached to the vessel. The baffle is away from the side wall of the vessel and takes the form of a cylinder of vertical axis and of rhomboidal cross section.

    摘要翻译: 苯乙烯(共)聚合的方法和设备。 该方法通过使用包括苯乙烯的液体聚合反应混合物,在机械搅拌的反应器中以容器的形式进行,该容器包括具有垂直轴线(A)的具有旋转圆筒形状的侧壁,底部头部 以及连接到侧壁的顶部头部。 容器设置有机械搅拌装置,其包括(i)与轴线(A)重合的垂直轴线的中心轴,连接到包括用于旋转中心轴的马达的驱动系统,(ii)至少一个挡板, 船只。 挡板远离容器的侧壁,并采用垂直轴和菱形横截面的圆柱体的形式。

    PROCESS FOR DEVOLATILIZATION OF POLYMER OF AN AROMATIC ALKYLENE
    7.
    发明申请
    PROCESS FOR DEVOLATILIZATION OF POLYMER OF AN AROMATIC ALKYLENE 有权
    芳香族亚胺聚合物的脱醇方法

    公开(公告)号:US20100130719A1

    公开(公告)日:2010-05-27

    申请号:US12451908

    申请日:2008-06-03

    IPC分类号: C08F6/00

    CPC分类号: C08F6/005 C08F6/008 C08L25/00

    摘要: The present invention relates to a process for devolatilization of a polymer of an aromatic alkylene, such as styrene, and in particular, to an improved process using water as a stripping agent (i) in which the total amount of water to be disposed of can be reduced, (ii) which allows at least a portion of the water to be recycled as stripping agent, reducing make-up requirements for the stripping agent, and (iii) which allows at least a portion of the aromatic alkylene monomer in the water to be recycled to the polymerisation process (via the devolatilization steps) rather than disposed of.

    摘要翻译: 本发明涉及一种芳族亚烷基如苯乙烯的聚合物脱挥发分的方法,特别涉及使用水作为汽提剂(i)的改进方法,其中待处理的水的总量可以 (ii)其允许至少一部分水作为汽提剂再循环,减少汽提剂的补充要求,和(iii)其允许至少一部分芳族亚烷基单体在水中 被再循环到聚合过程(通过脱挥发分步骤)而不是处理。

    Expandable Polystyrene Composition and Process for Making Same
    8.
    发明申请
    Expandable Polystyrene Composition and Process for Making Same 审中-公开
    可发性聚苯乙烯组合物及其制备方法

    公开(公告)号:US20080067709A1

    公开(公告)日:2008-03-20

    申请号:US11632375

    申请日:2005-06-30

    IPC分类号: C08J9/20 C01B33/44 C08K9/04

    摘要: An expandable polystyrene composition in the form of beads is disclosed, comprising: (1) 100 parts by weight of a styrene polymer having in particular a weight-average molecular weight Mw ranging from 150 000 to 400 000 daltons, (2) from 3 to 20 parts by weight of a blowing agent, which is water or a mixture of water with at least one other blowing agent for example a hydrocarbon (3) from 0.1 to 12 parts by weight of at least one modified clay with an at least partially lipophilic nature. Also disclosed is a process for making the compositions.

    摘要翻译: 公开了一种珠粒形式的可发性聚苯乙烯组合物,其包括:(1)100重量份的苯乙烯聚合物,其特别是重均分子量Mw为15万至40万道尔顿,(2)3至 20重量份的发泡剂,其为水或水与至少一种其它发泡剂(例如烃)(3)的混合物,0.1至12重量份的至少一种具有至少部分亲脂性的改性粘土 性质。 还公开了制备组合物的方法。

    Process and device for manufacturing an aromatic alkylene polymer
    9.
    发明授权
    Process and device for manufacturing an aromatic alkylene polymer 有权
    用于制备芳族亚烷基聚合物的方法和装置

    公开(公告)号:US07288620B2

    公开(公告)日:2007-10-30

    申请号:US11507613

    申请日:2006-08-22

    IPC分类号: C08F6/00

    摘要: The present invention relates to-a process and a device for the continuous manufacture of a polymer of an aromatic alkylene monomer e.g. styrene comprising a bulk polymerisation of the monomer and a devolatilization of the resulting polymer in at least two successive steps so as to separate the polymer from the unreacted monomer and the oligomers formed during the polymerisation. The process comprises conveying a first gas stream resulting from the first step of the devolatilization into a first zone Z1 for direct condensation and fractionation, removing a gas stream G1 comprising essentially the monomer from the top of Z1, and removing a liquid stream L1 rich in oligomers from the bottom of Z1, a portion of L1 being taken, cooled and then returned into Z1. It also comprises conveying a second gas stream resulting from the second step of the devolatilization into a second zone Z2 for direct condensation and fractionation, this zone being also fed with the other portion of L1, removing a gas stream G2 comprising the monomer from the top of Z2, and removing a liquid stream L3 comprising essentially the oligomers from the bottom of Z2. The process and the device are particularly suitable for continuously manufacturing a styrene polymer, a styrene copolymer having a high impact strength modified by grafting onto a rubber, an expandable polystyrene or an expanded polystyrene. The invention is useful for improving the separation of the unreacted monomer from the oligomers and the quality of the polymer when the unreacted monomer thus separated is recycled e.g. to the polymerisation.

    摘要翻译: 本发明涉及用于连续制造芳族亚烷基单体的聚合物的方法和装置,例如, 苯乙烯包括单体的本体聚合和至少两个连续步骤使所得聚合物脱挥发分,以便将聚合物与未反应的单体和聚合期间形成的低聚物分离。 该方法包括将由脱挥发分的第一步产生的第一气流输送到第一区域Z 1中以直接冷凝和分馏,从Z 1的顶部除去基本上由单体组成的气流G 1,并除去液体流 L 1从Z 1的底部富含低聚物,取出一部分L 1,冷却,然后返回到Z 1中。 它还包括将从脱挥发分的第二步产生的第二气流输送到用于直接冷凝和分馏的第二区域Z 2中,该区域还被供给L 1的另一部分,除去包含单体的气流G 2 从Z 2的顶部排出并从Z 2的底部除去基本上由低聚物组成的液体流L 3。 该方法和装置特别适用于连续制造苯乙烯聚合物,通过接枝到橡胶,可发性聚苯乙烯或发泡聚苯乙烯上而具有高冲击强度的苯乙烯共聚物。 当将如此分离的未反应单体再循环时,本发明可用于改进未反应单体与低聚物的分离和聚合物的质量。 到聚合。

    Process and apparatus for degassing a polymer
    10.
    发明授权
    Process and apparatus for degassing a polymer 有权
    用于脱气聚合物的方法和设备

    公开(公告)号:US07268206B2

    公开(公告)日:2007-09-11

    申请号:US10525731

    申请日:2003-08-14

    IPC分类号: C08F6/00

    摘要: The present invention relates to a process for stripping residual volatile compounds contained in a thermoplastic polymer. The process comprises (1) forming the polymer in the form of a melt flowing as a main stream, (2) forming a foaming agent in the form of one or more secondary liquid streams, (3) adding the secondary stream(s) to the main stream by spraying so as to divide each secondary liquid stream into several fractional streams and thus to form a polymer melt/foaming agent pre-mixture, (4) introducing the pre-mixture into a static mixer, then into an expansion chamber at reduced pressure so as to separate the polymer melt from the residual volatile compounds and from the foaming agent, and (5) withdrawing the polymer melt from the expansion chamber. The invention also relates to an apparatus for removing residual volatile compounds contained in a thermoplastic polymer. The apparatus comprises (i) a polymer melt feed line, (ii) an addition chamber into which the feed line runs and through which the polymer flows as a main stream, (iii) one or more lines for adding a foaming agent as one or more secondary liquid stream(s), which lines run into the addition chamber and have at their ends a spray device allowing each secondary liquid stream to be divided into several fractional streams, (iv) a static mixer having an inlet, connected to the addition chamber, and an outlet, and (v) an expansion chamber for separating the polymer melt from the residual volatile compounds and from the foaming agent, which chamber is connected to the outlet of the static mixer and is provided with a line for withdrawing the polymer melt and with a line for extracting the residual volatile compounds and the foaming agent.

    摘要翻译: 本发明涉及剥离热塑性聚合物中所含的挥发性化合物的方法。 该方法包括(1)形成以主流流动的熔体形式的聚合物,(2)形成一种或多种次级液体流形式的发泡剂,(3)将二级流加入到 主流通过喷射将每个次级液体流分成几个分数流,从而形成聚合物熔体/发泡剂预混合物,(4)将预混合物引入静态混合器中,然后进入膨胀室 降低聚合物熔体与残留的挥发性化合物和发泡剂的分离,和(5)从膨胀室中取出聚合物熔体。 本发明还涉及用于除去热塑性聚合物中所含的挥发性化合物的装置。 该设备包括(i)聚​​合物熔体进料管线,(ii)加料室,进料管线穿过该加料室,聚合物以主流流经该加料室,(iii)一条或多条用于将发泡剂作为一个或多个 更多次级液体流,这些管线进入加料室,并在其末端具有喷雾装置,允许将每个次级液体流分成几部分流,(iv)静态混合器,其具有连接到加料口的入口 室和出口,和(v)用于将聚合物熔体与残留的挥发性化合物和发泡剂分离的膨胀室,该室与静态混合器的出口连接,并且设置有用于抽出聚合物的管线 熔融并用一条线来萃取残留的挥发性化合物和发泡剂。