PROCESS FOR MAKING A SOLID CATALYST COMPONENT FOR ETHYLENE POLYMERIZATION AND COPOLYMERIZATION
    4.
    发明申请
    PROCESS FOR MAKING A SOLID CATALYST COMPONENT FOR ETHYLENE POLYMERIZATION AND COPOLYMERIZATION 审中-公开
    用于制备乙烯聚合和共聚的固体催化剂组分的方法

    公开(公告)号:WO2017114784A1

    公开(公告)日:2017-07-06

    申请号:PCT/EP2016/082548

    申请日:2016-12-23

    摘要: The present invention relates to a process for preparing a solid catalyst component suitable for producing polyethylene and its copolymers, said process comprising the steps of: (a) contacting a dehydrated support having hydroxyl groups with a magnesium compound having the general formula MgR 1 R 2 ; (b) contacting the product obtained in step (a) with modifying compounds (A) and/or (B) and/or (C), wherein: (A) is at least one oxygen and/or nitrogen comprising organic compound; (B) is a compound having the general formula R 11 f (R 12 O) g SiX h , (C) is a compound having the general formula (R 13 O) 4 M, and (c) contacting the product obtained in step (b) with a titanium halide compound having the general formula TiX 4 , wherein Ti is a titanium atom and X is a halide atom, wherein an organometallic compound is added either before step (a) and/or after step (c). The invention also relates to a solid catalyst component obtainable by said process. The invention further relates to a process for producing polyethylene and its copolymers in the presence of the solid catalyst component and a co-catalyst.

    摘要翻译: 本发明涉及制备适用于生产聚乙烯及其共聚物的固体催化剂组分的方法,所述方法包括以下步骤:(a)使具有羟基的脱水载体与镁化合物 具有通式MgR 1 1 R 2 2; (b)使步骤(a)中获得的产物与改性化合物(A)和/或(B)和/或(C)接触,其中:(A)为至少一种含氧和/或氮的有机化合物; (B)是具有通式R 11 R 12(R 12 O)g SiX

    LOW CREEP FIBER
    6.
    发明申请
    LOW CREEP FIBER 审中-公开
    低蠕变纤维

    公开(公告)号:WO2017102618A1

    公开(公告)日:2017-06-22

    申请号:PCT/EP2016/080569

    申请日:2016-12-12

    IPC分类号: D01F6/04 C08F10/02

    摘要: The invention relates to a process for the preparation of a gel spun UHMWPE fiber comprising the steps of providing an ultra high molecular weight polyethylene composition having an intrinsic viscosity (IV) of at least 8 dl/g, a co- monomer content (CBR) of a least 0.05 SCB/1000TC, a mass averaged distribution of the co-monomer (CMAD) of at least 0.05, wherein the co-monomer has at least 4 carbon atoms, dissolving the composition in a solvent to form a polymer solution having a UHMWPE concentration of between 2 and 40 wt%, spinning the polymer solution through a multi orifice die plate to form a solution fibers, cooling the solution fiber to below 80°C to form a gel fiber, drawing the fiber in at least one step to form a drawn fiber, removing at least a portion of the solvent before, during or after the drawing, wherein the ratio CMAD to CBR is greater than 1.0. The invention further relates to a gel- spun UHMWPE fiber obtainable by the process and products comprising said gel-spun UHMWPE fiber.

    摘要翻译: 本发明涉及一种制备凝胶纺UHMWPE纤维的方法,该方法包括以下步骤:提供特性粘度(IV)至少为8dl / g的超高分子量聚乙烯组合物, 至少0.05 SCB / 1000TC的共聚单体含量(CBR),至少0.05的共聚单体的质量平均分布(CMAD),其中共聚单体具有至少4个碳原子,将组合物溶解于 溶剂混合以形成UHMWPE浓度为2-40wt%的聚合物溶液,通过多孔模板将聚合物溶液纺丝以形成溶液纤维,将溶液纤维冷却至80℃以下以形成凝胶纤维,绘制 纤维在至少一个步骤中形成拉伸纤维,在拉伸之前,之中或之后除去至少一部分溶剂,其中CMAD与CBR的比率大于1.0。 本发明进一步涉及可通过该方法获得的凝胶纺UHMWPE纤维和包含所述凝胶纺UHMWPE纤维的产品。

    HIGH PRESSURE FREE RADICAL POLYMERIZATIONS
    7.
    发明申请
    HIGH PRESSURE FREE RADICAL POLYMERIZATIONS 审中-公开
    高压自由基聚合

    公开(公告)号:WO2017083563A1

    公开(公告)日:2017-05-18

    申请号:PCT/US2016/061399

    申请日:2016-11-10

    IPC分类号: C08F2/01 C08F2/34 C08F10/02

    摘要: A process is provided to form an ethylene-based polymer, in the presence of at least one free-radical, said process comprises at least the following: polymerizing a mixture comprising ethylene, in a reactor configuration comprising at least three reaction zones, and comprising two ethylene feed streams, and wherein the ratio (R LCBf40% ), in percent, of the "LCB content of the first 40 wt% of the total polymer formed" to "the total LCB content in the final polymer" is ≤ 22.5%; and wherein the amount of ethylene, and optionally one or more comonomers, and optionally one or more CTAs, fed to the first reaction zone, is from 40 mole% to 80 mole%, based on the total moles of ethylene, and optionally one or more comonomers, and optionally one or more CTAs, fed to the polymerization.

    摘要翻译: 提供一种在至少一种自由基存在下形成基于乙烯的聚合物的方法,所述方法至少包括以下步骤:在包含乙烯的混合物中聚合,反应器配置包括 至少三个反应区,并且包含两个乙烯进料流,并且其中形成的总聚合物的前40wt%的“LCB含量”的百分比(R LCBf 40%)“ ; 到“最终聚合物中的总LCB含量” ≤22.5%; 并且其中供入第一反应区的乙烯和任选的一种或多种共聚单体和任选的一种或多种CTA的量基于乙烯的总摩尔数为40摩尔%至80摩尔%,并且任选地一种或多种 更多的共聚单体和任选的一种或多种CTA,进料到聚合反应中。

    HIGH PRESSURE, FREE RADICAL POLYMERIZATIONS TO PRODUCE ETHYLENE-BASED POLYMERS
    8.
    发明申请
    HIGH PRESSURE, FREE RADICAL POLYMERIZATIONS TO PRODUCE ETHYLENE-BASED POLYMERS 审中-公开
    高压,自由基聚合生产乙烯基聚合物

    公开(公告)号:WO2017083559A1

    公开(公告)日:2017-05-18

    申请号:PCT/US2016/061390

    申请日:2016-11-10

    IPC分类号: C08F2/01 C08F2/34 C08F10/02

    摘要: A process to form an ethylene-based polymer, said process comprising at least the following: polymerizing a mixture comprising ethylene, in the presence of at least one free-radical initiator, and in a reactor configuration comprising at least three reaction zones and at least two ethylene feed streams; and wherein the inlet pressure of the first reaction zone is less than, or equal to, 3200 Bar; and wherein the amount of ethylene, and optionally one or more comonomers, and optionally one or more CTAs, fed to the first reaction zone is from 40 mole% to 80 mole%, based on the total moles of ethylene, and optionally one or more comonomers, and optionally one or more CTAs, fed to the polymerization; and wherein the average polymerization temperature of the first 40 wt% polymer formed (APT 40wt% ) (based on the total amount of polymer formed) is less than, or equal to, 200°C.

    摘要翻译: 一种形成基于乙烯的聚合物的方法,所述方法至少包括以下步骤:在至少一种自由基引发剂的存在下,在包含乙烯的混合物中,并且在反应器配置中,所述反应器配置包括 至少三个反应区和至少两个乙烯进料流; 并且其中所述第一反应区的入口压力小于或等于3200巴; 并且其中供入第一反应区的乙烯和任选的一种或多种共聚单体和任选的一种或多种CTA的量基于乙烯的总摩尔数为40摩尔%至80摩尔%,并且任选地一种或多种 共聚单体和任选的一种或多种CTA,供给聚合反应; 并且其中形成的第一40重量%聚合物(APT 40重量%)(基于形成的聚合物的总量)的平均聚合温度小于或等于200℃。 p>

    ETHYLENE-BASED POLYMERS FORMED BY HIGH PRESSURE FREE RADICAL POLYMERIZATIONS
    9.
    发明申请
    ETHYLENE-BASED POLYMERS FORMED BY HIGH PRESSURE FREE RADICAL POLYMERIZATIONS 审中-公开
    高压自由基聚合形成的乙烯基聚合物

    公开(公告)号:WO2017083552A1

    公开(公告)日:2017-05-18

    申请号:PCT/US2016/061377

    申请日:2016-11-10

    IPC分类号: C08F2/01 C08F2/34 C08F10/02

    摘要: A process to form an ethylene-based polymer, in the presence of at least one free-radical, said process comprises at least the following: polymerizing a mixture comprising ethylene in a reactor configuration comprising at least four reaction zones, and comprising at least three ethylene feed streams; and wherein the ratio of ( R LCBf40% ), in percent, of the LCB content of the "first 40 wt% of the total polymer formed" to the "total LCB content in the final polymer" is ≤ 29%; and wherein the amount of ethylene, and optionally one or more comonomers, and optionally one or more CTAs, fed to the first reaction zone, is from 20 mole% to 70 mole%, based on the total moles of ethylene, and optionally one or more comonomers, and optionally one or more CTAs, fed to the polymerization.

    摘要翻译: 在至少一种自由基存在下形成基于乙烯的聚合物的方法,所述方法至少包括以下步骤:在包含至少四种 反应区,并且包含至少三种乙烯进料流; 并且其中(百万分之一)LCB含量的“LCBf40%”的总量的前40重量%的LCB含量的比例 聚合物形成“ 到“最终聚合物中的总LCB含量” ≤29%; 并且其中供入第一反应区的乙烯和任选的一种或多种共聚单体和任选的一种或多种CTA的量基于乙烯的总摩尔数计为20摩尔%至70摩尔%,并且任选地一种或多种 更多的共聚单体和任选的一种或多种CTA,进料到聚合反应中。