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    Method of producing polyethylene resins for use in blow molding
    2.
    发明公开
    Method of producing polyethylene resins for use in blow molding 审中-公开
    Verfahren zur Herstellung von Polyethylenharze zum Blasformen

    公开(公告)号：EP1229053A2

    公开(公告)日：2002-08-07

    申请号：EP02075391.9

    申请日：2002-01-30

    申请人： FINA TECHNOLOGY, INC.

    发明人： Guenther, Gerhard K. ,  Nairn, Lea Ann ,  Clark, Curtis, D. ,  Hicks, Ben W. ,  Tharappel, Ronald A. ,  Coffy, Tim J.

    IPC分类号： C08F8/50

    CPC分类号： B29C47/92 ,  B29C47/0004 ,  B29C47/0023 ,  B29C47/0054 ,  B29C2947/92695 ,  C08F8/50 ,  C08F2810/10 ,  C08F110/02

    摘要： A method of processing polyethylene for use as an extruded blow molding resin to improve the properties and processability thereof is accomplished by modifying a polyethylene resin having a molecular weight distribution (Mw/Mn) of less than about 10. The modification is carried out by the addition of a free radical initiator to the resin during extrusion of the resin to increase the rheological breadth of the polyethylene from about 10% to about 60% compared to unmodified polyethylene resin extruded under similar conditions. In another aspect of the invention, a polyethylene resin having higher melt index is processed to provide a desired final melt index by the addition of a free radical initiator where it would otherwise be necessary to utilize a resin having lower melt flow, and which is more difficult to process. Improvements in color can also be obtained.

    摘要翻译： 通过改性分子量分布（Mw / Mn）小于约10的聚乙烯树脂，可以实现加工用作挤出吹塑树脂以提高其性能和加工性能的聚乙烯的方法。该改性通过 与在类似条件下挤出的未改性聚乙烯树脂相比，在树脂挤出期间向树脂中加入自由基引发剂以将聚乙烯的流变宽度从约10％增加至约60％。 在本发明的另一方面，通过加入自由基引发剂处理具有较高熔体指数的聚乙烯树脂以提供所需的最终熔体指数，否则将需要使用具有较低熔体流动性的树脂，并且其更多 难以处理 也可以获得颜色的改善。

    Improved Ziegler-Natta catalysts for olefin polymerization
    4.
    发明公开
    Improved Ziegler-Natta catalysts for olefin polymerization 失效
    Verbesserte Ziegler-Natta KatalysatorenfürOlefinpolymerisation

    公开(公告)号：EP0855409A1

    公开(公告)日：1998-07-29

    申请号：EP98101439.2

    申请日：1998-01-28

    申请人： FINA TECHNOLOGY, INC.

    发明人： Chen, Hong ,  Coffy, Tim J. ,  Shamshoum, Edwar S.

    IPC分类号： C08F4/658 ,  C08F10/00

    CPC分类号： C08F10/00 ,  C08F4/6557 ,  C08F4/6567

    摘要： A new synthesis of a Ziegler-Natta catalyst uses a multi-step preparation which includes treating a soluble magnesium compound with successively stronger chlorination/titanation reagents. The catalyst may be used in polymerization of olefins, particularly ethylene, to produce a polymer with less fines, larger average fluff particle size and narrow molecular weight distribution. The catalyst has high activity and good hydrogen response.

    摘要翻译： 齐格勒 - 纳塔催化剂的新合成使用多步骤制备，其包括用相继更强的氯化/钛化试剂处理可溶性镁化合物。 该催化剂可用于烯烃，特别是乙烯的聚合反应，以产生具有较少细粉，较大的平均绒毛粒径和窄分子量分布的聚合物。 该催化剂具有高活性和良好的氢气响应。

    Improved hydrogen response Ziegler-Natta catalyst for narrowing MWD of polyolefin, method of making it, polymerisation process using it, and polyolefins made therewith
    5.
    发明公开
    Improved hydrogen response Ziegler-Natta catalyst for narrowing MWD of polyolefin, method of making it, polymerisation process using it, and polyolefins made therewith 审中-公开
    具有改进的氢灵敏度的齐格勒 - 纳塔催化剂，以窄MWD的聚烯烃，用于使用相同的它的制备，烯烃聚合方法，过程，和聚烯烃由其制成的

    公开(公告)号：EP1308465A1

    公开(公告)日：2003-05-07

    申请号：EP01204229.7

    申请日：2001-11-06

    申请人： FINA TECHNOLOGY, INC.

    发明人： Gray, Steven D. ,  Coffy, Tim J.

    IPC分类号： C08F4/658 ,  C08F10/00

    CPC分类号： C08F10/00 ,  C08F4/6546 ,  C08F4/6548 ,  C08F4/6557

    摘要： A Ziegler-Natta type catalyst having an improved hydrogen response provides for narrowing of the MWD of resulting polyolefins polymerized using such catalyst, with such catalyst generally made by a) contacting a soluble magnesium dialkoxide compound of the general formula Mg(OR'') 2 with a halogenating agent capable of exchanging one halogen for one alkoxide to form a reaction product A, where R'' is a hydrocarbyl or substituted hydrocarbyl having from 1 to 20 carbon atoms; b) contacting reaction product A with a first halogenating/titanating agent to form reaction product B; and c) contacting reaction product B with a second halogenating/titanating agent to form a calalyst component; wherein in step b) the halogenating/titanating agent is a blend of Ti(OPr) 4 and TiCL 4 . Catalyst components, catalysts, catalyst systems, polyolefin polymers, and methods of forming each are disclosed.

    摘要翻译： 具有改进的氢响应的齐格勒 - 纳塔型催化剂提供对得到的聚烯烃聚合使用搜索催化剂的MWD变窄，具有通过由搜索催化剂基因的反弹）使通式Mg的（OR“”的可溶性镁二醇盐化合物）2 用能够用于一个烷氧基交换一个卤素以形成反应产物A，其中R“”为具有1至20个碳原子的烃基或烃基substituiertem的卤化剂; b）使反应产物A与第一卤化/钛酸化试剂接触，形成反应产物B; 和c）用第二卤化/钛酸化试剂，以形成calalyst组分接触反应产物B; worin在步骤b）中的卤化/钛酸化试剂为Ti（OPR）4和四氯化钛的混合物。 催化剂组分，催化剂，催化剂体系，聚烯烃聚合物，以及在每个盘的方法是游离缺失。

    Ziegler-Natta catalyst for narrow to broad MWD of polyolefins, method of making, method of using, and polyolefins made therewith
    7.
    发明公开
    Ziegler-Natta catalyst for narrow to broad MWD of polyolefins, method of making, method of using, and polyolefins made therewith 有权
    齐格勒 - 纳塔催化剂用于与窄到宽的分子量分布，制造工艺，使用方法聚烯烃; 和聚烯烃由此产生

    公开(公告)号：EP1306394A1

    公开(公告)日：2003-05-02

    申请号：EP01204067.1

    申请日：2001-10-26

    申请人： FINA TECHNOLOGY, INC.

    发明人： Gray, Steven D. ,  Coffy, Tim J.

    IPC分类号： C08F10/00

    CPC分类号： C08F110/02 ,  C08F4/6557 ,  C08F2500/04 ,  C08F2500/12

    摘要： A Ziegler-Natta type catalyst providing for broadening of the MWD of resulting polyolefins polymerized using such catalyst, with such catalyst maintaining high activity and excellent fluff morphology. Generally, such catalyst is made by a) contacting a catalyst component with an organoaluminum preactivating agent, wherein the catalyst component is produced by a process comprising, i)contacting a soluble magnesium dialkoxide compound of the general formula Mg(OR'') 2 with a halogenating agent to form a reaction product A, ii) contacting reaction product A with a first halogenating/titanating agent to form reaction product B; and iii) contacting reaction product B with a second halogenating/titanating agent to form a catalyst component. The second halogenating/titanating agent comprises titanium tetrachloride, and step iii) comprises a ratio of titanium tetrachloride to magnesium compound in the range of about 0.1 to about 5. Catalyst components, catalysts, catalyst sytems, polyolefin polymers, and methods of forming each are disclosed.

    摘要翻译： 齐格勒 - 纳塔型催化剂提供用于扩大聚烯烃使用搜索催化剂所得聚合的MWD的，与搜索催化剂保持高活性和优异的绒毛形态。 一般地，搜索催化剂通过制造）接触，在有机铝预活化剂，worin的催化剂组分通过包含i的方法制备）使通式Mg的（OR“”的可溶性二烷氧基镁化合物）2与催化剂组分 卤化剂，以形成反应产物A，ⅱ）使反应产物A，与第一卤化/钛酸化试剂接触，形成反应产物B; 和iii）用第二卤化/钛酸化试剂使反应产物乙以形成催化剂组分。 第二卤化/钛酸化试剂包括四氯化钛，和步骤iii）包括四氯化钛的，以在约0.1的范围内的镁化合物的比例至约5的催化剂组分，催化剂，催化剂sytems，聚烯烃聚合物，以及形成的方法是每 游离缺失盘。