MULTIMODAL POLYETHYLENE MOLDING COMPOSITION FOR PRODUCING PIPES HAVING IMPROVED MECHANICAL PROPERTIES
    11.
    发明申请
    MULTIMODAL POLYETHYLENE MOLDING COMPOSITION FOR PRODUCING PIPES HAVING IMPROVED MECHANICAL PROPERTIES 审中-公开
    用于生产具有改进的机械性能的管道的多模聚乙烯模塑组合物

    公开(公告)号:US20100076136A1

    公开(公告)日:2010-03-25

    申请号:US12311953

    申请日:2007-10-19

    Applicant: Heinz Vogt

    Inventor: Heinz Vogt

    Abstract: The sagging problem in the manufacture of thick walled pipes is solved using a polyethylene molding composition having a multimodal molecular mass distribution and comprising from 45 to 55% by weight of a first low molecular weight ethylene homopolymer A, from 20 to 40% by weight of a second high molecular weight copolymer B comprising ethylene and another olefin having from 4 to 8 carbon atoms and from 15 to 30% by weight of a third ultrahigh molecular weight ethylene copolymer C prepared in the presence of a Ziegler catalyst in a three-stage polymerization process comprising additionally an organic polyoxy compound or an organic polyhydroxy compound in an amount of from 0.01 to 0.5% by weight.

    Abstract translation: 使用具有多峰分子量分布的聚乙烯模塑组合物来解决厚壁管的制造中的下垂问题,其包含45至55重量%的第一低分子量乙烯均聚物A,20至40重量% 第二高分子量共聚物B,其包含乙烯和另一种具有4至8个碳原子的烯烃和15至30重量%的在三步聚合中在齐格勒催化剂存在下制备的第三超高分子量乙烯共聚物C 方法还包含0.01至0.5重量%的有机多羟基化合物或有机多羟基化合物。

    Polyethylene Molding Composition for Producing Injection-Molded Finished Parts
    12.
    发明申请
    Polyethylene Molding Composition for Producing Injection-Molded Finished Parts 有权
    用于生产注射成型零件的聚乙烯模塑组合物

    公开(公告)号:US20100010163A1

    公开(公告)日:2010-01-14

    申请号:US11922667

    申请日:2006-06-27

    Abstract: The invention relates to a polyethylene molding composition which has a multimodal molecular mass distribution and comprises a low molecular weight ethylene homopolymer A, a high molecular weight ethylene copolymer B and an ultrahigh molecular weight ethylene copolymer C. The molding composition has a density at a temperature of 23° C. in the range from 0.940 to 0.957 g/cm3, an MFR (190° C./2.16 kg) in the range from 0.5 to 4 dg/min and a viscosity number VN3 of the mixture of ethylene homopolymer A, copolymer B and ethylene copolymer C, measured in accordance with ISO/R 1191 in decalin at a temperature of 135° C., in the range from 150 to 300 cm3/g. The invention further relates to the use of such a molding composition for producing injection-molded finished parts, and to finished parts produced by injection molding.

    Abstract translation: 本发明涉及一种聚乙烯模塑组合物,其具有多峰分子量分布,并且包含低分子量乙烯均聚物A,高分子量乙烯共聚物B和超高分子量乙烯共聚物C.该模塑组合物的温度为 在0.940至0.957g / cm3的范围内为23℃,MFR(190℃/ 2.16kg)为0.5-4dg / min,乙烯均聚物A, 共聚物B和乙烯共聚物C,其在135℃的温度下在萘烷中按照ISO / R 1191测量的范围为150-300cm 3 / g。 本发明还涉及这种用于生产注射成型零件的模制组合物以及通过注射成型制成的成品零件的用途。

    Preparation of homopolymers and copolymers of ethylene by means of a
Ziegler catalyst system
    15.
    发明授权
    Preparation of homopolymers and copolymers of ethylene by means of a Ziegler catalyst system 失效
    通过齐格勒催化剂体系制备乙烯的均聚物和共聚物

    公开(公告)号:US4845177A

    公开(公告)日:1989-07-04

    申请号:US107996

    申请日:1987-10-14

    CPC classification number: C08F10/00 Y10S526/901 Y10S526/904

    Abstract: Ethylene is polymerized using a Ziegler catalyst system consisting of (1) a titanium catalyst component and (2) an aluminum catalyst component, the component (1) used being the product (VI) which is obtained by a method in which (1.1) first (1.1.1) a carrier (I) and (1.1.2) a solution (II) of (IIa) a solvent, (IIb) a titanium trichloride and (IIc) magnesium chloride are combined with formation of a dispersion (III) and the latter is evaporated down with formation of an intermediate (IV), and (1.2) then (1.2.2) the intermediate (IV) obtained from (1.1), and (1.2.2) an aluminum component (V) consisting of (1.2.2.1) a complex of a certain oxacycloalkane and a certain aluminum compound and (1.2.2.2) if necessary, a certain free aluminum compound are combined, the resulting product (VI) being the catalyst component (1). In this process, a component (1) is employed which has been prepared using, in (1.1) under (1.1.2), a solution (II) which (i) contains a ketone as (IIa) and (ii) additionally contains (IId) a certain low molecular weight polymeric compound.

    Abstract translation: 使用由(1)钛催化剂组分和(2)铝催化剂组分组成的齐格勒催化剂体系聚合乙烯,所述组分(1)是通过以下方法获得的产物(VI):其中(1.1)第一 (1.1.1)将(IIa)溶剂(IIb),三氯化钛和(IIc)氯化镁的(IIa)溶液(II)和(1.1.2)与形成分散体(III) (1.2)然后(1.2.2)由(1.1)得到的中间体(Ⅳ)和(1.2.2)由(Ⅳ)组成的铝组分(Ⅴ)组成的铝组分(Ⅴ) (1.2.2.1)某种氧杂环烷烃和某种铝化合物的络合物和(1.2.2.2)(如果需要)合并一定的游离铝化合物,所得产物(VI)是催化剂组分(1)。 在该方法中,使用在(1.1)(1.1.2)中使用(1.1)中的(1.1)制备的组分(1),其中(i)包含酮作为(IIa)和(ii)另外含有 (IId)某种低分子量聚合物。

    System for controlling a spatially movable device
    16.
    发明授权
    System for controlling a spatially movable device 失效
    用于控制空间可移动装置的系统

    公开(公告)号:US4507593A

    公开(公告)日:1985-03-26

    申请号:US589054

    申请日:1984-03-15

    CPC classification number: H01H9/0214 H01H2009/0257 H01H2300/026

    Abstract: A spatially movable device 1 is disclosed which is provided with actuators 7a-7f in such a manner that the system consists of a manual unit 2 with a process control unit 5 and a input unit 6 as well as a monitor 8. The manual unit 2 is operated in such a manner that the control elements 3a-3f are controlled by an operator's hand which through individual fingers controls the selection of various position parameters. A slider 4 is provided which controls the direction and speed of the selected parameter change with the slider being accessible to the thumb of the operator in order to provide complete operation by one hand and simultaneously setting and controlling the parameter values which are displayed on the monitor 8.

    Abstract translation: 公开了一种空间可移动装置1,其设置有致动器7a-7f,使得该系统由具有过程控制单元5和输入单元6的手动单元2以及监视器8组成。手动单元2 以这样的方式操作控制元件3a-3f由操作者的手控制,操作者的手通过各个手指控制各种位置参数的选择。 提供了滑块4,其控制所选参数的方向和速度的变化,滑块可由操作者的拇指进入,以便通过一只手提供完整的操作,同时设置和控制显示在监视器上的参数值 8。

    Process for coating exterior surfaces of pipelines with water cross-linkable polymer
    18.
    发明授权
    Process for coating exterior surfaces of pipelines with water cross-linkable polymer 有权
    用水可交联聚合物涂覆管道外表面的工艺

    公开(公告)号:US08192798B2

    公开(公告)日:2012-06-05

    申请号:US11921897

    申请日:2006-06-09

    Abstract: A process for coating the exterior surfaces of a pipeline with a polymer that is cross-linkable under exposure to water, including a) coating the exterior surface of the pipeline with at least one polymer that is cross-linkable under exposure to water, where the employed cross-linkable polymer includes alkoxy silane grafted HDPE; and b) cross-linking of the cross-linkable polymer by exposure to water at elevated temperatures so as to form a cross-linked polymer layer having a degree of cross-linking of from 30% to 80% is reached.

    Abstract translation: 用于在暴露于水中可交联的聚合物涂覆管道的外表面的方法,包括:a)使用至少一种在暴露于水下可交联的聚合物涂覆管道的外表面,其中 使用的可交联聚合物包括烷氧基硅烷接枝的HDPE; 和b)通过在升高的温度下暴露于水来交联可交联聚合物,从而形成交联度为30%至80%的交联聚合物层。

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