PROCESS FOR THE PRODUCTION OF POLYOLEFINS WHEREIN AN ANTIOXIDANT IS FED TO THE REACTION MIXTURE DURING THE PROCESS
    2.
    发明申请
    PROCESS FOR THE PRODUCTION OF POLYOLEFINS WHEREIN AN ANTIOXIDANT IS FED TO THE REACTION MIXTURE DURING THE PROCESS 审中-公开
    抗氧化剂生产聚烯烃的方法与工艺过程中的反应混合物

    公开(公告)号:WO2013050087A1

    公开(公告)日:2013-04-11

    申请号:PCT/EP2012/002412

    申请日:2012-06-06

    Abstract: The present invention relates to a process for the production of a stabilized polyolefin comprising - an olefin homo- or copolymer (A); and - an antioxidant (B) wherein olefin homo- or copolymer (A) is produced in a process carried out in one or more reactors, and the antioxidant (B) is fed during the process prior to and/or during a post-production step selected from depressurisation step, degassing step and catalyst deactivation step. The present invention furthermore relates to a polyolefin composition obtainable by the process according to the invention and the use thereof for the production of an article. The present invention is also directed to the use of an antioxidant (B) in a process for the production of a stabilized polyolefin comprising - an olefin homo- or copolymer (A); and - an antioxidant (B) during the process prior to and/or during a post-production step selected from depressurisation step, degassing step and catalyst deactivation step. An article, preferably a pipe, made of the stabilized polyolefin and/or the polyolefin composition according to the invention is also the present invention.

    Abstract translation: 本发明涉及一种生产稳定的聚烯烃的方法,其包括 - 烯烃均聚物或共聚物(A); 和 - 一种抗氧化剂(B),其中在一个或多个反应器中进行的方法中产生烯烃均聚物或共聚物(A),并且在后期和/或后期生产期间的过程中进料抗氧化剂(B) 从减压步骤,脱气步骤和催化剂失活步骤中选择的步骤。 本发明还涉及通过本发明的方法获得的聚烯烃组合物及其制备物品的用途。 本发明还涉及抗氧化剂(B)在制备包含烯烃均聚物或共聚物(A)的稳定化聚烯烃的方法中的用途。 和 - 在选自减压步骤,脱气步骤和催化剂失活步骤的后期制备步骤之前和/或期间的过程中的抗氧化剂(B)。 根据本发明的由稳定化的聚烯烃和/或聚烯烃组合物制成的制品,优选管,也是本发明。

    REACTOR SYSTEM FOR THE CATALYTIC POLYMERIZATION OF OLEFINS COMPRISING SHIELDING MEANS AND A PROCESS AND USE THEREOF
    3.
    发明申请
    REACTOR SYSTEM FOR THE CATALYTIC POLYMERIZATION OF OLEFINS COMPRISING SHIELDING MEANS AND A PROCESS AND USE THEREOF 审中-公开
    用于包含屏蔽装置的烯烃的催化聚合反应器系统及其使用及其用途

    公开(公告)号:WO2009080362A1

    公开(公告)日:2009-07-02

    申请号:PCT/EP2008/011085

    申请日:2008-12-23

    Abstract: The invention relates to a reactor system for the catalytic polymerization of olefin monomer and optionally comonomer (s), comprising one or more inlets for olefin monomer, catalyst, optionally for comonomer, chain growth controllers or chain transfer agents, and/or inert gas, an outlet for gas and an outlet for polymerization particles, which reactor system comprises at least one fluidized bed unit and at least one a moving bed unit, wherein the fluidized bed unit comprises means for maintaining a fluidized bed in the fluidized bed unit and wherein the moving bed unit is provided with an inlet and an outlet which are connected to the fluidized bed unit, wherein in the fluidized bed unit is positioned shielding means such that via the outlet of the moving bed unit inflow of fluidization gas is inhibited and outflow of polymerization particles allowed and to a process and use thereof.

    Abstract translation: 本发明涉及用于烯烃单体和任选的共聚单体的催化聚合的反应器系统,其包含用于烯烃单体的一个或多个入口,任选地用于共聚单体,链增长控制器或链转移剂的催化剂和/或惰性气体, 气体出口和聚合颗粒出口,该反应器系统包括至少一个流化床单元和至少一个移动床单元,其中流化床单元包括用于在流化床单元中维持流化床的装置,并且其中 移动床单元设置有连接到流化床单元的入口和出口,其中在流化床单元中定位有屏蔽装置,使得经由移动床单元的出口流化气体的流入被抑制并且聚合的流出 允许的颗粒和工艺及其用途。

    FLEXIBLE REACTOR ASSEMBLY FOR POLYMERIZATION OF OLEFINS
    4.
    发明申请
    FLEXIBLE REACTOR ASSEMBLY FOR POLYMERIZATION OF OLEFINS 审中-公开
    柔性反应器组件用于烯烃的聚合

    公开(公告)号:WO2012116845A1

    公开(公告)日:2012-09-07

    申请号:PCT/EP2012/000961

    申请日:2012-03-02

    Abstract: The invention relates to a reactor assembly for the production of polymers including a fluidized bed reactor (1) comprising a bottom zone (5), a middle zone (6) and an upper zone (7), an inlet (8) for the fluidization gas located in the bottom zone (5), an outlet (9) for the fluidization gas located in the upper zone (7); the outlet (9) for the fluidization gas being coupled with the fluidized bed reactor (1) via inlet (8); the equivalent cross-sectional diameter of the bottom zone (5) being monotonically increasing with respect to the flow direction of the fluidization gas through the fluidized bed reactor; the middle zone (6) having an essentially constant equivalent cross-sectional diameter with respect to the flow direction of the fluidization gas through the fluidized bed reactor; the equivalent cross-sectional diameter of the upper zone (7) being monotonically decreasing with respect to the flow direction of the fluidization gas through the fluidized bed reactor; wherein that the ratio of the height of the fluidized bed reactor to the equivalent cross- sectional diameter of the middle zone of the fluidized bed reactor is from 2 to 10; and wherein there is an unobstructed passageway in the direction of flow of the fluidization gas through the fluidized bed reactor from the bottom zone (5) to the upper zone (7).

    Abstract translation: 本发明涉及一种用于生产聚合物的反应器组件,包括流化床反应器(1),其包括底部区域(5),中间区域(6)和上部区域(7),用于流化的入口(8) 位于底部区域(5)中的气体,位于上部区域(7)中的用于流化气体的出口(9); 用于流化气体的出口(9)通过入口(8)与流化床反应器(1)联接; 底部区域(5)的等效横截面直径相对于通过流化床反应器的流化气体的流动方向单调增加; 所述中间区域(6)具有相对于通过所述流化床反应器的流化气体的流动方向具有基本恒定的等效横截面直径; 上部区域(7)的等效横截面直径相对于通过流化床反应器的流化气体的流动方向单调减小; 其中流化床反应器的高度与流化床反应器的中间区域的等效横截面直径之比为2至10; 并且其中在从底部区域(5)到上部区域(7)的流化床反应器的流化气体的流动方向上存在无障碍通道。

    HIGH THROUGHPUT REACTOR ASSEMBLY FOR POLYMERIZATION OF OLEFINS
    5.
    发明申请
    HIGH THROUGHPUT REACTOR ASSEMBLY FOR POLYMERIZATION OF OLEFINS 审中-公开
    用于烯烃聚合的高通量反应器组件

    公开(公告)号:WO2012116844A1

    公开(公告)日:2012-09-07

    申请号:PCT/EP2012/000960

    申请日:2012-03-02

    Abstract: Reactor assembly for the production of polymers including a fluidized bed reactor (1) comprising a bottom zone (5), a middle zone (6) and an upper zone (7), an inlet (8) for the fluidization gas located in the bottom zone (5), an outlet (9) for the fluidization gas located in the upper zone (7); the outlet (9) for the fluidization gas being coupled with the fluidized bed reactor (1) via inlet (8) via a gas circulation line; means for separation of solids from gas (2) being connected to said gas circulation line; the equivalent cross-sectional diameter of the upper zone (7) being monotonically decreasing with respect to the flow direction of the fluidization gas through the fluidized bed reactor; the middle zone (6) having an essentially constant equivalent cross-sectional diameter with respect to the flow direction of the fluidization gas through the fluidized bed reactor; the equivalent cross-sectional diameter of the bottom zone (5) being monotonically increasing with respect to the flow direction of the fluidization gas through the fluidized bed reactor; characterized in that the ratio of the height of the fluidized bed reactor to the equivalent cross-sectional diameter of the middle zone of the fluidized bed reactor is from 2 to 10; and whereby said upper zone (7) is directly connected to said middle zone (6).

    Abstract translation: 用于生产包括流化床反应器(1)的聚合物的反应器组件包括底部区域(5),中间区域(6)和上部区域(7),用于位于底部的流化气体的入口(8) 区域(5),用于位于上部区域(7)中的流化气体的出口(9); 用于流化气体的出口(9)通过气体循环管线通过入口(8)与流化床反应器(1)相连; 用于从与所述气体循环管线连接的气体(2)分离固体的装置; 上部区域(7)的等效横截面直径相对于通过流化床反应器的流化气体的流动方向单调减小; 所述中间区域(6)具有相对于通过所述流化床反应器的流化气体的流动方向具有基本恒定的等效横截面直径; 底部区域(5)的等效横截面直径相对于通过流化床反应器的流化气体的流动方向单调增加; 其特征在于,流化床反应器的高度与流化床反应器的中间区域的等效横截面直径之比为2至10; 并且由此所述上部区域(7)直接连接到所述中间区域(6)。

    PROCESS FOR PRODUCING POLYETHYLENE WITH IMPROVED HOMOGENEITY
    6.
    发明申请
    PROCESS FOR PRODUCING POLYETHYLENE WITH IMPROVED HOMOGENEITY 审中-公开
    生产具有改善的均匀性的聚乙烯的方法

    公开(公告)号:WO2012034869A1

    公开(公告)日:2012-03-22

    申请号:PCT/EP2011/065135

    申请日:2011-09-01

    Abstract: Process for producing polyethylene compositions, like LLDPE, MDPE or HDPE, with a high level of homogeneity which comprises the steps of a) preactivating the total amount of a Ziegler-Natta procatalyst with the total amount of a cocatalyst, which cocatalyst comprises an organoaluminium compound, in order to get a preactivated Ziegler-Natta catalyst system, b) introducing the preactivated Ziegler-Natta catalyst system into a prepolymerisation reactor, wherein the preactivated Ziegler-Natta catalyst system is prepolymerised with at least one C 2 -C 10 -alpha-olefin monomer and optionally one or more C 3 -C 10 -alpha- olefin comonomer, in order to get a prepolymerisation product, c) introducing the prepolymerisation product into a first polymerisation reactor, which comprises a slurry reactor, wherein the prepolymerisation product is further polymerised with ethylene monomers and optionally one or more C 3 -C 10 -alpha-olefin comonomers in order to get a first polymerisation product, d) introducing the first polymerisation product into a second polymerisation reactor, wherein the first polymerisation product is further polymerised with ethylene monomers and optionally one or more C 3 to C 10 -alpha-olefin comonomers in order to get a second polymerisation product, e) optionally performing one or two subsequent polymerisation steps in order to get a third or fourth polymerisation product, f) further processing the obtained polymerisation product into pellets by extrusion; its use for forming articles, especially films with a low gel content.

    Abstract translation: 用于生产具有高水平均匀性的聚乙烯组合物如LLDPE,MDPE或HDPE的方法,其包括以下步骤:a)预先活化齐格勒 - 纳塔前催化剂的总量与助催化剂的总量,该助催化剂包含有机铝化合物 ,以便获得预活化的齐格勒 - 纳塔催化剂体系,b)将预活化的齐格勒 - 纳塔催化剂体系引入预聚合反应器,其中预活化的齐格勒 - 纳塔催化剂体系与至少一种C2-C10-α-烯烃单体 和任选的一种或多种C 3 -C 10-α-烯烃共聚单体,以获得预聚合产物,c)将预聚合产物引入第一聚合反应器,该反应器包括浆料反应器,其中预聚合产物进一步与乙烯单体 和任选的一种或多种C 3 -C 10-α-烯烃共聚单体,以获得第一聚合产物,d)引入t 他将第一聚合产物转化成第二聚合反应器,其中第一聚合产物进一步与乙烯单体和任选的一种或多种C 3 -C 10-α-烯烃共聚单体聚合,以获得第二聚合产物,e)任选地进行一个或两个 随后的聚合步骤以获得第三或第四聚合产物,f)通过挤出将所得聚合产物进一步加工成颗粒; 其用于形成制品,特别是具有低凝胶含量的膜。

    RANDOM PROPYLENE COPOLYMERS FOR PIPES
    9.
    发明申请
    RANDOM PROPYLENE COPOLYMERS FOR PIPES 审中-公开
    用于管道的随机丙烯共聚物

    公开(公告)号:WO2011104100A1

    公开(公告)日:2011-09-01

    申请号:PCT/EP2011/051611

    申请日:2011-02-03

    CPC classification number: C08L23/10 C08L2205/02 C08L2666/06

    Abstract: Random propylene copolymer comprising (a) a first polypropylene being a first random propylene copolymer, said first random propylene copolymer has a melt flow rate MFR 10 (230 C) of not more than 1.5 g/10min, (b) a second polypropylene being a first propylene homopolymer or a second random propylene copolymer, (c) a third polypropylene being a second propylene homopolymer or a third random propylene copolymer, said third random propylene copolymer has a comonomer content of 0.5 to 3.5 wt. -%, wherein further (i) the first polypropylene differ from the second polypropylene and the third polypropylene by the melt flow rate MFR 2 (230 C) and/or by the comonomer content, (ii) the second polypropylene differ from the third polypropylene by the melt flow rate MFR 2 (230 C) and/or by the comonomer content [wt.-%], and (iii) the random propylene copolymer (R-PP) has a melt flow rate MFR 2 (230 C) of 0.05 to 10.00 g/10min.

    Abstract translation: 无规丙烯共聚物,其包含(a)第一无规丙烯共聚物的第一聚丙烯,所述第一无规丙烯共聚物的熔体流动速率MFR 10(230℃)不超过1.5g / 10min,(b)第二聚丙烯为第一 丙烯均聚物或第二无规丙烯共聚物,(c)第三聚丙烯是第二丙烯均聚物或第三无规丙烯共聚物,所述第三无规丙烯共聚物的共聚单体含量为0.5-3.5重量%。 - %,其中进一步(i)第一聚丙烯与第二聚丙烯和第三聚丙烯的熔体流动速率MFR 2(230℃)和/或共聚单体含量不同,(ii)第二聚丙烯与第三聚丙烯不同,第三聚丙烯通过 熔体流动速率MFR 2(230℃)和/或共聚单体含量[wt。-%],和(iii)无规丙烯共聚物(R-PP)的熔体流动速率MFR 2(230℃)为0.05-10.00 克/ 10分钟。

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