公开(公告)号：US20190322774A1

公开(公告)日：2019-10-24

申请号：US16314276

申请日：2017-06-29

Applicant: Dow Global Technologies LLC

Inventor： Linfeng Chen ,  Teresa P. Karjala ,  Mehmet Demirors ,  Douglas S. Ginger ,  Marc A. Springs

IPC: C08F4/651 ,  C08F4/655 ,  C08F210/16 ,  C08F4/654 ,  C08F210/14

Abstract: The present disclosure relates to novel procatalyst compositions including a titanium moiety, a magnesium halide support, a hydrocarbon solution in which the magnesium halide support is formed, and an electron donor modifier having the formula (I). The present disclosure further relates to a one-pot process for preparing the novel procatalyst compositions, as well as use of the novel procatalyst compositions in solution processes for polymerization of ethylene and at least one additional polymerizable monomer to form a polymer composition.

公开(公告)号：US20190263952A1

公开(公告)日：2019-08-29

申请号：US16410484

申请日：2019-05-13

Applicant: Dow Global Technologies LLC

Inventor： Mehmet Demirors ,  Teresa P. Karjala ,  Nilesh R. Savargaonkar ,  Rajen M. Patel ,  Sylvie Desjardins

IPC: C08F210/16

Abstract: Mono- and multi-layer films comprising a polyethylene composition which comprises the reaction product of ethylene and optionally one or more alpha olefin comonomers in the presence of a catalyst composition comprising a multi-metallic procatalyst via a solution polymerization process in at least one reactor; wherein said polyethylene composition is characterized by one or more of the following properties: a melt index, I2, measured according to ASTM D 1238 (2.16 kg @ 190° C.), from 0.1 to 5 g/10 min; density, measured according to ASTM D-792, from 0.910 to 0.935 g/cc; melt flow ratio, I10/I2, wherein I10 is measured according to ASTM D1238 (10 kg @ 190° C.), from 6 to 7.4; and molecular weight distribution, (Mw/Mn) from 2.5 to 3.5 are provided. Also provided are articles made from the mono- and/or multi-layer films.

公开(公告)号：US10358543B2

公开(公告)日：2019-07-23

申请号：US14889160

申请日：2014-05-21

Applicant: Dow Global Technologies LLC

Inventor： Cornelis F. J. den Doelder ,  Teresa P. Karjala ,  Otto J. Berbee ,  Lori L. Kardos

IPC: C08L23/06 ,  C08L23/08 ,  B32B27/08 ,  B32B27/32

Abstract: The invention provides a composition comprising the following: A) a first ethylene-based polymer, formed by a high pressure, free-radical polymerization process, and comprising the following properties: a) a Mw(abs) versus I2 relationship: Mw(abs)

公开(公告)号：US20190210334A1

公开(公告)日：2019-07-11

申请号：US16331757

申请日：2017-08-30

Applicant: Dow Global Technologies LLC ,  PBBPolisur S.R.L. ,  Dow Quimica De Colombia S.A.

Inventor： Marlos Giuntini De Oliveira ,  Teresa P. Karjala ,  Mustafa Bilgen ,  Jorge Caminero Gomes ,  Maximiliano Zanetti ,  Miguel A. Molano Niampira ,  Jorge Mario Rodriguez Camelo ,  Camila Do Valle ,  Guillermo A. Raimondi

IPC: B32B27/08 ,  B32B27/32 ,  B29C48/18

CPC classification number: B32B27/08 ,  B29C48/18 ,  B29L2009/00 ,  B32B27/32 ,  B32B2250/03 ,  B32B2250/242 ,  B32B2250/40 ,  B32B2270/00 ,  B32B2274/00 ,  B32B2307/30 ,  B32B2307/50 ,  B32B2307/581 ,  B32B2307/5825 ,  B32B2307/72 ,  B32B2307/744 ,  B32B2439/46 ,  B32B2553/00 ,  C08F210/16 ,  C08F2410/03 ,  C08F4/685 ,  C08F4/658 ,  C08F210/14 ,  C08F2500/12 ,  C08F2500/03 ,  C08F2500/17 ,  C08F2500/26

Abstract: Embodiments disclosed herein include multilayer cast films having a first outer layer, a core layer, and a second outer layer, wherein the first outer layer comprises (a) a linear low density polyethylene (LLDPE), ultra-low density polyethylene (ULDPE), a first polyethylene composition, or combinations of two or more thereof, and (b) polyisobutylene, and the core layer comprises a core layer polyethylene composition.

公开(公告)号：US20190169385A1

公开(公告)日：2019-06-06

申请号：US16309975

申请日：2017-08-04

Applicant: Dow Global Technologies LLC

Inventor： Mustafa Bilgen ,  Mehmet Demirors ,  Teresa P. Karjala ,  Nermeen W. Aboelella

IPC: C08J5/18 ,  C08F110/02 ,  C08F210/16 ,  C08L23/08 ,  C08L23/06

Abstract: Disclosed herein is a blown film comprising at least 50 wt. % of a polyethylene composition comprising the reaction product of ethylene and optionally, one or more alpha-olefin comonomers, wherein the polyethylene composition is characterized by the following properties: a melt index, I2, of from 0.1 to 2 g/10 min; a density of from 0.940 to 0.970 g/cm3; a melt flow ratio, I10/I2, of from 5.5 to 7.2; and a molecular weight distribution (Mw/Mn) of from 2.2 to 3.5.

公开(公告)号：US20190031806A1

公开(公告)日：2019-01-31

申请号：US16072323

申请日：2017-01-26

Applicant: Dow Global Technologies LLC

Inventor： Mehmet Demirors ,  Sean Ewart ,  Teresa P. Karjala

IPC: C08F255/02 ,  C08F222/06 ,  C08K5/01 ,  C08K5/14 ,  C08K5/23

CPC classification number: C08F255/02 ,  C08F210/16 ,  C08F222/06 ,  C08K5/01 ,  C08K5/14 ,  C08K5/23

Abstract: Functionalized ethylene-based polymers are prepared by a process comprising the step of reacting a first composition comprising an ethylene-based polymer with at least the following: (A) at least one carbon-carbon (C—C) free radical initiator of Structure I: wherein R1, R2, R3, R4, R5 and R6 are each, independently, hydrogen or a hydrocarbyl group; and wherein, optionally, two or more R groups (R1, R2, R3, R4, R5 and R6) form a ring structure; and with the provisos that (i) at least one of R2 and R5 is a hydrocarbyl group of at least two carbon atoms, and (ii) at least one of R3 and R6 is a hydrocarbyl group of at least two carbon atoms; and (B) at least one free radical initiator other than the carbon-carbon (C—C) free radical initiator of Structure I (a non-C—C free radical initiator), e.g., a peroxide; and (C) at least one functionalization agent, e.g., maleic anhydride.

公开(公告)号：US10017589B2

公开(公告)日：2018-07-10

申请号：US15209368

申请日：2016-07-13

Applicant: Dow Global Technologies LLC

Inventor： Otto J. Berbee ,  Cornelis F. J. Den Doelder ,  Teresa P. Karjala ,  Karl Zuercher ,  Jian Wang ,  Stefan Hinrichs

IPC: C08L23/06 ,  C08F110/02 ,  C08L23/08 ,  C09D123/06 ,  C09D123/08

CPC classification number: C08F110/02 ,  C08L23/06 ,  C08L23/0815 ,  C08L23/0869 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2207/066 ,  C09D123/06 ,  C09D123/0815 ,  C09D123/0869 ,  C08F2500/12 ,  C08F2500/11 ,  C08F4/38

Abstract: The invention provides a composition comprising a first ethylene-based polymer, formed by a high pressure, free-radical polymerization process, and comprising the following properties: a) a Mw(abs) versus I2 relationship: Mw(abs)

公开(公告)号：US09963524B2

公开(公告)日：2018-05-08

申请号：US15692106

申请日：2017-08-31

Applicant: Dow Global Technologies LLC

Inventor： Cornelis F. J. Den Doelder ,  Otto J. Berbee ,  Stefan Hinrichs ,  Teresa P. Karjala

IPC: C08F110/02

CPC classification number: C08F110/02 ,  C08F2500/04 ,  C08F2500/05 ,  C08F2500/12 ,  C08F4/38 ,  C08F2/01 ,  C08F2/38 ,  C08F2/001 ,  C08F10/02 ,  C08F2/00

Abstract: The invention provides an ethylene-based polymer comprising the following properties: a) weight fraction (w) of molecular weight above 5*106 g/mol, w>A−B*I2, where A=0.4 wt %, and B is 0.02 wt %/(dg/min), and w D−E*log(I2), where D=162 Pa and E=52 Pa/log(dg/min).

公开(公告)号：US09765160B2

公开(公告)日：2017-09-19

申请号：US15101687

申请日：2014-11-20

Applicant: Dow Global Technologies LLC

Inventor： Cornelis F. J. Den Doelder ,  Otto J. Berbee ,  Stefan Hinrichs ,  Teresa P. Karjala

IPC: C08F110/02

CPC classification number: C08F110/02 ,  C08F2500/04 ,  C08F2500/05 ,  C08F2500/12 ,  C08F4/38 ,  C08F2/01 ,  C08F2/38 ,  C08F2/001 ,  C08F10/02 ,  C08F2/00

Abstract: The invention provides an ethylene-based polymer comprising the following properties: a) weight fraction (w) of molecular weight above 5*106 g/mol, w>A−B*I2, where A=0.4 wt %, and B is 0.02 wt %/(dg/min), and w D−E*log(I2), where D=162 Pa and E=52 Pa/log(dg/min).

公开(公告)号：US09328180B2

公开(公告)日：2016-05-03

申请号：US14404876

申请日：2013-03-08

Applicant: Dow Global Technologies LLC

Inventor： Sean W. Ewart ,  Teresa P. Karjala ,  Michael J. Zogg, Jr. ,  Sarat Munjal

IPC: C08F2/38 ,  C08F4/00 ,  C08F4/44 ,  C08F4/28 ,  C08F210/00 ,  C08F110/02

CPC classification number: C08F110/02 ,  C08F2/38 ,  C08F4/34 ,  C08F4/52 ,  C08F2500/03 ,  C08F2500/10 ,  C08F2500/12 ,  C08F2500/08 ,  C08F2500/26

Abstract: The invention provides a process to form an ethylene-based polymer, said process comprising polymerizing ethylene in presence of at least the following: A) a free-radical agent; B) an alkylated phenol selected from Formula (I), wherein R1, R2,R3, R4 and R5 are each, independently, hydrogen or an alkyl; and C) a “metal alkyl-containing compound” selected from the group consisting of the following: i) at least one “Group II metal alkyl-containing compound,” ii) at least one “Group III metal alkyl-containing compound,” and iii) a combination of i) and ii).

Abstract translation: 本发明提供一种形成乙烯基聚合物的方法，所述方法包括在至少以下条件下聚合乙烯：A）自由基试剂; B）选自式（I）的烷基化苯酚，其中R 1，R 2，R 3，R 4和R 5各自独立地为氢或烷基; 和C）选自以下的“含金属烷基的化合物”：i）至少一种“第II族金属烷基化合物”，ii）至少一种“含III族金属烷基的化合物”， 和iii）i）和ii）的组合。