Methods of catalyst activation
    1.
    发明授权

    公开(公告)号:US10246535B2

    公开(公告)日:2019-04-02

    申请号:US14990899

    申请日:2016-01-08

    Abstract: A method comprising preparing a multi-component catalyst system comprising a catalyst and a cocatalyst, and adjusting the level of at least one component of the catalyst system to maintain a user-desired level of catalyst activity throughout a process, wherein the component comprises a catalyst activator and wherein the catalyst activator comprises the catalyst or the cocatalyst. A method comprising contacting a polymerization catalyst system comprising a Ziegler-Natta catalyst and a cocatalyst with a catalyst activator at least twice during a polymerization process, wherein the polymerization process is carried out in a reactor system comprising multiple reactor types.

    Methods of Catalyst Activation
    2.
    发明申请

    公开(公告)号:US20190169331A1

    公开(公告)日:2019-06-06

    申请号:US16270699

    申请日:2019-02-08

    Abstract: A method comprising preparing a multi-component catalyst system comprising a catalyst and a cocatalyst, and adjusting the level of at least one component of the catalyst system to maintain a user-desired level of catalyst activity throughout a process, wherein the component comprises a catalyst activator and wherein the catalyst activator comprises the catalyst or the cocatalyst. A method comprising contacting a polymerization catalyst system comprising a Ziegler-Natta catalyst and a cocatalyst with a catalyst activator at least twice during a polymerization process, wherein the polymerization process is carried out in a reactor system comprising multiple reactor types.

    Articles Including a Compatibilized Polypropylene and Polylactic Acid Blend
    4.
    发明申请
    Articles Including a Compatibilized Polypropylene and Polylactic Acid Blend 审中-公开
    包含增容的聚丙烯和聚乳酸混合物的制品

    公开(公告)号:US20140228517A1

    公开(公告)日:2014-08-14

    申请号:US14253535

    申请日:2014-04-15

    Abstract: A composition comprising a blend of a polyolefin, polylactic acid, and a reactive modifier. A method of producing an oriented film comprising reactive extrusion compounding a mixture comprising polypropylene, polylactic acid, a reactive modifier to form a compatibilized polymeric blend, casting the compatibilized polymeric blend into a film, and orienting the film. A method of preparing a reactive modifier comprising contacting a polyolefin, a multifunctional acrylate comonomer, and an initiator under conditions suitable for the formation of an epoxy-functionalized polyolefin wherein the epoxy-functionalized polyolefin has a grafting yield of from 0.2 wt. % to 15 wt. %.

    Abstract translation: 一种组合物,其包含聚烯烃,聚乳酸和反应性改性剂的共混物。 一种制备定向膜的方法,其包括将包含聚丙烯,聚乳酸,反应性改性剂的混合物的反应性挤出混合以形成相容的聚合物共混物,将相容的聚合物共混物浇铸成膜,以及使膜定向。 一种制备反应性改性剂的方法,包括在适于形成环氧官能化聚烯烃的条件下使聚烯烃,多官能丙烯酸酯共聚单体和引发剂接触,其中环氧官能化聚烯烃的接枝收率为0.2wt。 %至15wt。 %。

    Methods of Catalyst Activation
    5.
    发明申请
    Methods of Catalyst Activation 审中-公开
    催化剂活化方法

    公开(公告)号:US20160122453A1

    公开(公告)日:2016-05-05

    申请号:US14990899

    申请日:2016-01-08

    Abstract: A method comprising preparing a multi-component catalyst system comprising a catalyst and a cocatalyst, and adjusting the level of at least one component of the catalyst system to maintain a user-desired level of catalyst activity throughout a process, wherein the component comprises a catalyst activator and wherein the catalyst activator comprises the catalyst or the cocatalyst. A method comprising contacting a polymerization catalyst system comprising a Ziegler-Natta catalyst and a cocatalyst with a catalyst activator at least twice during a polymerization process, wherein the polymerization process is carried out in a reactor system comprising multiple reactor types.

    Abstract translation: 一种方法,包括制备包含催化剂和助催化剂的多组分催化剂体系,并调节催化剂体系的至少一种组分的水平以在整个方法中保持用户期望的催化剂活性水平,其中组分包含催化剂 活化剂,其中催化剂活化剂包括催化剂或助催化剂。 一种方法,其包括使聚合催化剂体系包含齐格勒 - 纳塔催化剂和助催化剂与催化剂活化剂在聚合过程中至少两次,其中聚合方法在包括多种反应器类型的反应器系统中进行。

    Methods of catalyst activation
    6.
    发明授权

    公开(公告)号:US10647796B2

    公开(公告)日:2020-05-12

    申请号:US16270699

    申请日:2019-02-08

    Abstract: A method comprising preparing a multi-component catalyst system comprising a catalyst and a cocatalyst, and adjusting the level of at least one component of the catalyst system to maintain a user-desired level of catalyst activity throughout a process, wherein the component comprises a catalyst activator and wherein the catalyst activator comprises the catalyst or the cocatalyst. A method comprising contacting a polymerization catalyst system comprising a Ziegler-Natta catalyst and a cocatalyst with a catalyst activator at least twice during a polymerization process, wherein the polymerization process is carried out in a reactor system comprising multiple reactor types.

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