REVERSE-PHASE POLYMERISATION PROCESS
    1.
    发明公开
    REVERSE-PHASE POLYMERISATION PROCESS 审中-公开
    反相聚合工艺

    公开(公告)号:EP3027661A1

    公开(公告)日:2016-06-08

    申请号:EP14744840.1

    申请日:2014-07-29

    申请人: BASF SE

    摘要: A reverse-phase suspension polymerisation process for the manufacture of polymer beads comprising forming aqueous monomer beads of an aqueous solution comprising water-soluble ethylenically unsaturated monomer or monomer blend and polymerising the monomer or monomer blend to form polymer beads while suspended in a non-aqueous liquid, recovering polymer beads, and then cleaning the non-aqueous liquid in which the process comprises providing the non-aqueous liquid in a vessel (1), forming a suspension of monomer beads from the aqueous monomer or monomer blend in the non-aqueous liquid, initiating polymerisation to form polymerising beads, removing a suspension of the polymer beads in non-aqueous liquid from the vessel and recovering, water soluble or water swellable polymer beads from the suspension, in which the non-aqueous liquid contains impurities which comprise particles, and then transferring the non-aqueous liquid from the suspension to a cleaning stage, in which the cleaning stage provides a cleaned non-aqueous liquid suitable for use in a reverse-phase suspension polymerisation process, which cleaning stage comprises removing particles from the non-aqueous liquid in at least one filtration step. The invention also relates to the apparatus suitable for carrying out a reverse-phase suspension polymerisation and polymer beads obtainable by the process or employing the apparatus. The invention further relates to a cleaned non-aqueous liquid obtainable by the process.

    摘要翻译: 用于制造聚合物珠粒的反相悬浮聚合方法包括形成包含水溶性烯属不饱和单体或单体共混物的水溶液的含水单体珠粒,并将单体或单体共混物聚合以形成聚合物珠粒,同时将其悬浮于非水 液体,回收聚合物珠粒,然后清洗非水液体,其中该方法包括在容器(1)中提供非水液体,由含水单体或单体混合物形成单体珠粒悬浮于非水溶液 液体,引发聚合形成聚合珠粒,从容器中除去聚合物珠粒在非水液体中的悬浮液,并从悬浮液中回收水溶性或水溶胀性聚合物珠粒,其中非水液体含有包含颗粒 ,然后将非水液体从悬浮液转移到清洁阶段,其中清洁阶段 e提供适用于反相悬浮聚合工艺的清洁过的非水液体,该清洁阶段包括在至少一个过滤步骤中从非水液体中除去颗粒。 本发明还涉及适用于进行反相悬浮聚合的设备和可通过该方法或使用该设备获得的聚合物珠粒。 本发明还涉及通过该方法可获得的清洁过的非水液体。

    VERFAHREN ZUR HERSTELLUNG VON HÖHERMOLEKULAREM POLYISOBUTYLEN
    2.
    发明公开
    VERFAHREN ZUR HERSTELLUNG VON HÖHERMOLEKULAREM POLYISOBUTYLEN 审中-公开
    VERFAHREN ZUR HERSTELLUNG VONHÖHERMOLEKULAREMPOLYISOBUTYLEN

    公开(公告)号:EP2814851A1

    公开(公告)日:2014-12-24

    申请号:EP13704127.3

    申请日:2013-02-15

    申请人: BASF SE

    IPC分类号: C08F10/10

    摘要: The invention relates to the production of isobutylene homopolymers having a weight-average molecular weight of 75,000 to 10,000,000 by means of the polymerization of isobutylene by (a) performing the polymerization at -80°C to -190°C, (b) using optionally halogenated C
    1 to C
    5 hydrocarbons as an inert solvent, (c) using a Lewis acid complex as a polymerization catalyst, and (d) performing the polymerization in the presence of at least one reaction accelerator in the form of an ethylenically saturated hydrocarbon compound, which contains an oxygen atom and no proton that can be emitted, and performing the polymerization in the presence of at least one chain length regulator, which contains a tertiary olefinic carbon atom.

    摘要翻译: 本发明涉及通过(a)在-80℃至-190℃下进行聚合反应,(b)任选地使用异丁烯的聚合反应制备重均分子量为75,000至10,000,000的异丁烯均聚物 卤代C1至C5烃作为惰性溶剂,(c)使用路易斯酸配合物作为聚合催化剂,和(d)在至少一种烯属饱和烃化合物形式的反应促进剂存在下进行聚合, 含有氧原子并且不能发射的质子,并且在至少一个包含叔烯烃碳原子的链长调节剂的存在下进行聚合。

    REVERSE-PHASE POLYMERISATION PROCESS
    4.
    发明公开
    REVERSE-PHASE POLYMERISATION PROCESS 审中-公开
    UMKEHRPHASEN-POLYMERISATIONSPROZESS

    公开(公告)号:EP3027662A1

    公开(公告)日:2016-06-08

    申请号:EP14747573.5

    申请日:2014-07-29

    申请人: BASF SE

    IPC分类号: C08F2/32 C08F20/56

    摘要: A reverse-phase suspension polymerisation process for the manufacture of polymer beads comprising forming aqueous monomer beads comprising an aqueous solution of water-soluble ethylenically unsaturated monomer or monomer blend and polymerising the monomer or monomer blend to form polymer beads while suspended in a non-aqueous liquid, and recovering polymer beads, in which the process comprises, providing in a vessel (1) a volume (2) of non-aqueous liquid wherein the volume of non-aqueous liquid extends between at least one polymer bead discharge point (3) and at least one monomer feed point (4), feeding the aqueous monomer or monomer blend through orifices (5) into, or onto, the non-aqueous liquid to form aqueous monomer beads, allowing the aqueous monomer beads to flow towards the polymer bead discharge point subjecting the aqueous monomer beads to polymerisation conditions to initiate polymerisation to form polymerising beads, wherein the polymerising beads have formed polymer beads when they reach the polymer bead discharge point, removing a suspension of the polymer beads in non-aqueous liquid from the vessel at the polymer bead discharge point and recovering water soluble or water swellable polymer beads from the suspension. The invention also relates to the apparatus suitable for carrying out a reverse-phase suspension polymerisation and polymer beads obtainable by the process or employing the apparatus.

    摘要翻译: 一种用于制备聚合物珠粒的反相悬浮聚合方法,其包括形成包含水溶性烯属不饱和单体或单体共混物的水溶液的含水单体珠粒,并将单体或单体共混物聚合以形成聚合物珠粒,同时悬浮在非水性 液体和回收的聚合物珠粒,其中该方法包括在容器(1)中提供非水性液体的体积(2),其中非水性液体的体积在至少一个聚合物珠粒排出点(3) 和至少一个单体进料点(4),通过孔口(5)将含水单体或单体共混物进料到非水性液体中或其上,以形成含水单体珠粒,使含水单体珠流向聚合物珠粒 排出点使含水单体珠粒聚合条件以引发聚合以形成聚合珠粒,其中聚合珠粒已形成聚合物珠粒 当它们到达聚合物珠粒排放点时,在聚合物珠粒排放点处从容器中除去聚合物小珠在非水性液体中的悬浮液,并从悬浮液中回收水溶性或水可溶胀聚合物珠粒。 本发明还涉及适用于进行反相悬浮聚合的装置和通过该方法或使用该装置可获得的聚合物珠。

    REVERSE-PHASE POLYMERISATION PROCESS
    5.
    发明公开
    REVERSE-PHASE POLYMERISATION PROCESS 审中-公开
    反相聚合

    公开(公告)号:EP3027660A1

    公开(公告)日:2016-06-08

    申请号:EP14744355.0

    申请日:2014-07-29

    申请人: BASF SE

    IPC分类号: C08F2/32 C08F20/56

    摘要: A reverse-phase suspension polymerisation process for the manufacture of polymer beads comprising forming aqueous monomer beads comprising an aqueous solution of water-soluble ethylenically unsaturated monomer or monomer blend and polymerising the monomer or monomer blend, to form polymer beads while suspended in a non-aqueous liquid, and recovering polymer beads, in which the process comprises providing in a vessel (1) a volume (2) of non-aqueous liquid wherein the volume of non-aqueous liquid extends between at least one polymer bead discharge point (3) and at least one monomer feed point (4), feeding the aqueous monomer or monomer blend through orifices (5) into, or onto, the non-aqueous liquid to form aqueous monomer beads, allowing the aqueous monomer beads to flow towards the polymer bead discharge point initiating polymerisation of the aqueous monomer beads to form polymerising beads, wherein the polymerising beads form polymer beads when they reach the polymer bead discharge point, removing a suspension of the polymer beads in non-aqueous liquid from the vessel at the polymer bead discharge point and recovering, water soluble or water swellable polymer beads from the suspension, in which the aqueous monomer or monomer blend and/or the orifices is/are vibrated such that the frequency multiplied by the weight average droplet diameter is between 150 and 800 mm/s. The invention also relates to the apparatus suitable for carrying out a reverse-phase suspension polymerisation and polymer beads obtainable by the process or employing the apparatus. Furthermore, the invention also relates to polymer beads having a weight mean particle size in the range of 0.05 to 5 mm which are held in a container in an amount of at least 300 kg having a standard deviation of particle size less than 20%. In addition, the invention also provides polymer beads having a weight mean particle size in the range 0.05 to 5 mm having a standard deviation of particle size less than 20% and having an amount of residual acrylamide of less than 500 ppm.