公开(公告)号：US09062134B2

公开(公告)日：2015-06-23

申请号：US14277140

申请日：2014-05-14

Applicant: Chevron Phillips Chemical Company LP

Inventor： Errun Ding ,  Joel L. Martin ,  Albert P. Masino ,  Qing Yang ,  Youlu Yu

IPC: C08F4/6592 ,  C08F4/642 ,  C08F10/00 ,  C08F210/16 ,  C08F4/76 ,  C07F17/00 ,  C08F4/659

CPC classification number: C08F4/76 ,  C07F17/00 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/6592 ,  C08F10/00 ,  C08F210/16 ,  C08F210/14 ,  C08F2500/04 ,  C08F2500/07 ,  C08F2500/12

Abstract: The present invention provides polymerization catalyst compositions employing half-metallocene compounds with a heteroatom-containing ligand bound to the transition metal. Methods for making these hybrid metallocene compounds and for using such compounds in catalyst compositions for the polymerization of olefins also are provided.

Abstract translation: 本发明提供了采用具有与过渡金属结合的含杂原子的配体的半茂金属化合物的聚合催化剂组合物。 还提供了制备这些杂化茂金属化合物和在用于烯烃聚合的催化剂组合物中使用这些化合物的方法。

公开(公告)号：US08846841B2

公开(公告)日：2014-09-30

申请号：US14182541

申请日：2014-02-18

Applicant: Chevron Phillips Chemical Company LP

Inventor： Qing Yang ,  Max P. McDaniel ,  William B. Beaulieu ,  Joel L. Martin ,  Tony R. Crain

IPC: C08F210/14 ,  C08F210/16 ,  C08F4/646

CPC classification number: C08F210/16 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65925 ,  C08F4/65927 ,  C08F4/76 ,  C08F4/65904 ,  C08F210/14 ,  C08F2500/03 ,  C08F2500/12

Abstract: The present invention provides a polymerization process utilizing a dual ansa-metallocene catalyst system. Polymers produced from the polymerization process are also provided, and these polymers have a reverse comonomer distribution, a non-bimodal molecular weight distribution, a ratio of Mw/Mn from about 3 to about 8, and a ratio of Mz/Mw from about 3 to about 6.

公开(公告)号：US08691715B2

公开(公告)日：2014-04-08

申请号：US13748619

申请日：2013-01-24

Applicant: Chevron Phillips Chemical Company LP

Inventor： Qing Yang ,  Max P. McDaniel ,  William B. Beaulieu ,  Joel L. Martin ,  Tony R. Crain

IPC: C08F4/6592 ,  C08F4/646 ,  C08F4/642 ,  C08F210/16

CPC classification number: C08F210/16 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65925 ,  C08F4/65927 ,  C08F4/76 ,  C08F4/65904 ,  C08F210/14 ,  C08F2500/03 ,  C08F2500/12

Abstract: The present invention provides a polymerization process utilizing a dual ansa-metallocene catalyst system. Polymers produced from the polymerization process are also provided, and these polymers have a reverse comonomer distribution, a non-bimodal molecular weight distribution, a ratio of Mw/Mn from about 3 to about 8, and a ratio of Mz/Mw from about 3 to about 6.

Abstract translation: 本发明提供一种利用双重 - 茂金属催化剂体系的聚合方法。 还提供了聚合反应生成的聚合物，这些聚合物具有反相共聚单体分布，非双峰分子量分布，Mw / Mn约为3至约8的比率，Mz / Mw为约3 至约6。

公开(公告)号：US20130245302A1

公开(公告)日：2013-09-19

申请号：US13874161

申请日：2013-04-30

Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LP

Inventor： Qing Yang ,  Max P. McDaniel ,  Joel L. Martin ,  Youlu Yu ,  David C. Rohlfing ,  Michael D. Jensen

IPC: C07F17/00

CPC classification number: C07F17/00 ,  C08F4/65912 ,  C08F4/65916 ,  C08F10/00 ,  C08F110/02 ,  C08F210/16 ,  Y10S526/941 ,  Y10S526/943 ,  C08F4/65927 ,  C08F2500/03 ,  C08F210/14 ,  C08F2500/10

Abstract: The present techniques relate to catalyst compositions, methods, and polymers encompassing a Group 4 metallocene compound comprising bridging η5-cyclopentadienyl-type ligands, typically in combination with a cocatalyst, and a activator. The compositions and methods presented herein include ethylene polymers with low melt elasticity.

Abstract translation: 本技术涉及催化剂组合物，方法和包含第4族茂金属化合物的聚合物，其包括通常与助催化剂和活化剂组合的桥连η5-环戊二烯基型配体。 本文提供的组合物和方法包括具有低熔体弹性的乙烯聚合物。