公开(公告)号：US20220073539A1

公开(公告)日：2022-03-10

申请号：US17419272

申请日：2019-12-27

Applicant: Dow Global Technologies LLC

Inventor： Lixin Sun ,  Endre Szuromi ,  Edmund M. Carnahan

IPC: C07F5/06 ,  C07F3/06 ,  C08F2/38 ,  C08F210/16 ,  C08F210/06

Abstract: Embodiments relate to organometallic compositions that are useful for chain transfer during olefin polymerization. Such compositions are chain transfer agents comprising an organoaluminum compound of the formula Al(CH2CH(Y2)A2)3 and an organozinc compound of the formula Zn(CH2CH(Y2)A2)2.

公开(公告)号：US11066488B2

公开(公告)日：2021-07-20

申请号：US16620306

申请日：2018-06-18

Applicant: Dow Global Technologies LLC

Inventor： Endre Szuromi ,  David D. Devore ,  Robert D. J. Froese ,  Arkady L. Krasovskiy ,  Lixin Sun ,  Kevin A. Frazier ,  Joseph S. Renny

IPC: C08F4/64 ,  C08F110/02 ,  C08F210/16 ,  C08F4/659

Abstract: Embodiments are directed to a catalyst system comprising metal-ligand complexes and processes for polyolefin polymerization using the metal-ligand complex having the following structure:

公开(公告)号：US20200332045A1

公开(公告)日：2020-10-22

申请号：US16959008

申请日：2018-12-27

Applicant: Dow Global Technologies LLC

Inventor： Lixin Sun ,  Endre Szuromi ,  Jerzy Kiosin ,  Edmund M. Camahan ,  Jasson T. Patton ,  Longyan Liao

IPC: C08F293/00 ,  C07F5/06 ,  C07F7/08 ,  C07F7/00

Abstract: The present disclosure relates to a capped dual-headed organoaluminum composition having the formula (I) and processes to prepare the same. In at least one aspect, the capped dual-headed organoaluminum compositions can be used in olefin polymerization.

公开(公告)号：US09951153B2

公开(公告)日：2018-04-24

申请号：US14416706

申请日：2013-07-31

Applicant: Dow Global Technologies LLC

Inventor： Lixin Sun ,  Daniel D. VanderLende

IPC: C08F4/54 ,  C07F5/02 ,  C08F4/52 ,  C08F10/00

CPC classification number: C08F4/52 ,  C07F5/027 ,  C08F10/00 ,  C08F4/603 ,  C08F4/6093

Abstract: A method for preparing ammonium tetrakis(pentafluorophenyl)borate salt comprising reacting a secondary amine with an aldehyde to form an iminium ion; hydrogenating the iminium ion by reaction with a reducing agent to form a tertiary amine; reacting the tertiary amine with a mineral acid to form an amine salt; and reacting the amine salt with K[B(C6F5)4], Li[B(C6F5)4], or combinations thereof to form an ammonium tetrakis(pentafluorophenyl)borate salt, wherein the secondary amine is derived from a non-animal source and the aldehyde has seven or more carbon atoms; wherein the ammonium tetrakis(pentafluorophenyl)borate salt is characterized by a solubility at 25° C. in hexane, cyclohexane or methylcyclohexane of at least 10 weight percent; and wherein the tertiary amine has a molecular weight of at least 450 g/mole is provided.

公开(公告)号：US20170369609A1

公开(公告)日：2017-12-28

申请号：US15535576

申请日：2015-12-23

Applicant: Dow Global Technologies LLC

Inventor： Liam P. Spencer ,  Sean W. Ewart ,  David M. Pearson ,  Lixin Sun

IPC: C08F210/02 ,  C08F4/6592 ,  C08G81/02 ,  C08F299/00 ,  C08F212/32 ,  C08F210/16 ,  C08F12/12 ,  G01N33/46 ,  G01N30/00 ,  C08F4/659

CPC classification number: C08F210/02 ,  C08F4/65908 ,  C08F4/65912 ,  C08F4/6592 ,  C08F12/12 ,  C08F210/16 ,  C08F212/32 ,  C08F299/00 ,  C08F2420/02 ,  C08G81/02 ,  G01N33/46 ,  G01N2030/486

Abstract: A first ethylene-based interpolymer comprising, in polymerized form, monomer units derived from ethylene and from a benzocyclobutene (VBCB) structure of Structure 1; wherein n is from 3 to 10; and wherein the ethylene-based polymer comprises, in polymerized form, from 0.02 to 0.70 wt % of the Structure 1, based on the weight of the first ethylene-based interpolymer, as determined by 1H NMR is provided. Further provided is a composition which comprises a second ethylene-based inter-polymer formed by thermally treating a first ethylene-based interpolymer.

公开(公告)号：US11359038B2

公开(公告)日：2022-06-14

申请号：US16338164

申请日：2017-09-29

Applicant: Dow Global Technologies LLC

Inventor： Lixin Sun ,  Zhe Zhou ,  Edmund M. Carnahan ,  Kim L. Walton

IPC: C08F4/50 ,  C08F210/02 ,  C08F4/659 ,  C08F4/64 ,  C08F4/642

Abstract: The present disclosure relates to a capped, multi- or dual-headed chain composition comprising derivatives of a strained olefin. The present disclosure further relates to a process for synthesizing the capped, multi- or dual-headed composition by using an organometallic compound and a co-catalyst in the presence of a catalyst precursor and a strained olefin. The present disclosure further relates to use of the compositions, as well as the process to make the same, in olefin polymerization.

公开(公告)号：US11359035B2

公开(公告)日：2022-06-14

申请号：US16338267

申请日：2017-09-29

Applicant: Dow Global Technologies LLC

Inventor： Lixin Sun ,  Zhe Zhou ,  Jaclyn Murphy ,  Edmund M. Carnahan

IPC: C08F4/50 ,  C08F4/64 ,  C08F10/00 ,  C08F10/14 ,  C08F4/659 ,  C08F4/642

Abstract: The present disclosure relates to a process for synthesizing a multi- or dual-headed composition by using an alpha,omega-diene and an organometallic compound in the presence of a catalyst precursor. The present disclosure further relates to use of the compositions, as well as the process to make the same, in olefin polymerization.

公开(公告)号：US20220073715A1

公开(公告)日：2022-03-10

申请号：US17419279

申请日：2019-12-27

Applicant: Dow Global Technologies LLC

Inventor： Jeffrey C. Munro ,  Hong Yang ,  Haiyang Yu ,  Brian M. Habersberger ,  Lixin Sun ,  Colin LiPiShan

IPC: C08L23/08 ,  C08K5/14 ,  C08K5/00 ,  H01L31/048 ,  C08K5/3435 ,  C08L23/16

Abstract: Disclosed relates to unsaturated polyolefins and processes for preparing the same. Disclosed further relates to curable formulations comprising the unsaturated polyolefins that show improved crosslinking.

公开(公告)号：US20220073540A1

公开(公告)日：2022-03-10

申请号：US17419278

申请日：2019-12-27

Applicant: Dow Global Technologies LLC

Inventor： Jeffrey C. Munro ,  Gaoxiang Wu ,  Kyle G. Kummer ,  Haiyang Yu ,  Hong Yang ,  Hongyu Chen ,  Brian M. Habersberger ,  Lixin Sun ,  Colin Li Pi Shan

IPC: C07F5/06 ,  C08L23/08 ,  C08L23/20 ,  C08J9/14 ,  C08J9/10 ,  C08F210/14 ,  C08F210/06 ,  C07F3/06

Abstract: The present disclosure relates to unsaturated polyolefins and processes for preparing the same. The present disclosure further relates to curable formulations comprising the unsaturated polyolefins that show improved crosslinking.

公开(公告)号：US20220064345A1

公开(公告)日：2022-03-03

申请号：US17419273

申请日：2019-12-27

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： Jeffrey C. Munro ,  Colin Li Pi Shan ,  Johnathan E. DeLorbe ,  Juan C. Tuberquia ,  Lixin Sun ,  Endre Szuromi ,  Edmund M. Carnahan

IPC: C08F210/16 ,  C08K5/14 ,  C08K3/22 ,  C08K5/09

Abstract: The present disclosure relates to novel telechelic poly-olefins of the formula (I) and processes for preparing the same. The present disclosure further relates to curable formulations comprising the telechelic polyolefin of the formula (I).