公开(公告)号：WO2021202714A1

公开(公告)日：2021-10-07

申请号：PCT/US2021/025152

申请日：2021-03-31

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： NETT, Alex, J. ,  SPINNEY, Heather, A. ,  SENECAL, Todd, D. ,  WILSON, David, R. ,  FROESE, Robert, D., J. ,  GARZA GONZALEZ, Alejandro, J.

IPC: C08F210/02 ,  C08F4/80

Abstract: Processes of polymerizing olefin monomers using catalyst systems and catalysts systems that include a procatalyst having a structure according to formula (I).

公开(公告)号：WO2018170248A1

公开(公告)日：2018-09-20

申请号：PCT/US2018/022609

申请日：2018-03-15

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： PATTON, Jasson, T. ,  SENECAL, Todd, D. ,  ARRIOLA, Daniel, J. ,  CHRISTIANSON, Matthew, D. ,  ROOF, Gordon, R. ,  DEVORE, David, D. ,  DAVIS, Anna, V.

IPC: C08F297/08

Abstract: The present disclosure relates to an olefin polymerization catalyst system for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the catalyst system comprises: (A) a first olefin polymerization procatalyst, (B) a second olefin polymerization procatalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by procatalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.

公开(公告)号：WO2016196293A1

公开(公告)日：2016-12-08

申请号：PCT/US2016/034656

申请日：2016-05-27

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： PATTON, Jasson, T. ,  SENECAL, Todd, D.

IPC: C08F210/16 ,  C08F4/54

CPC classification number: C08F10/02 ,  C08F2/04 ,  C08F2/34 ,  C08F4/58 ,  C08F210/16 ,  C08F2420/02 ,  C08F210/14 ,  C08F2500/03 ,  C08F4/545

Abstract: A process for producing a polyolefin comprising contacting one or more olefinic monomers in the presence of one or more catalysts, wherein one or more of the catalysts has the following structure: wherein M is a Group III or Lanthanide metal that is in a +3 formal oxidation state and wherein the contacting occurs in the absence of any activator is provided.

Abstract translation: 一种制备聚烯烃的方法，包括在一种或多种催化剂存在下使一种或多种烯属单体接触，其中一种或多种催化剂具有以下结构：其中M是III族或III族正构的镧系金属 提供了在没有任何活化剂的情况下发生接触的氧化态。