公开(公告)号：US20170320988A1

公开(公告)日：2017-11-09

申请号：US15537234

申请日：2015-12-17

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Lidia Jasinska-Walc ,  Robbert Duchateau ,  Miloud Bouyahyi ,  Lukasz Szymon Rutkowski ,  Shaneesh Vadake Kulangara ,  Arkadiusz Zych

IPC: C08F255/02

CPC classification number: C08F255/02 ,  C08F4/65912 ,  C08F216/04 ,  C08F216/10 ,  C08G63/08 ,  C08G64/18 ,  C08F210/06 ,  C08F4/65927 ,  C08F216/02 ,  C08F2500/15

Abstract: The present invention relates to a process for the preparation of a graft copolymer comprising a polyolefin main chain and one or multiple polymer side chains, the process comprising the steps of: copolymerizing at least one first type of olefin monomer and at least one second type of metal-pacified functionalized olefin monomer to obtain a polyolefin main chain having one or multiple metal-pacified functionalized short chain branches, and reacting the polyolefm main chain having one or multiple metal-pacified functionalized short chain branches with at least one metal substituting agent to obtain a polyolefin main chain having one or multiple functionalized short chain branches; and fonning one or multiple polymer side chains on the polyolefin main chain, wherein as initiators the functionalized short chain branches on the polyolefin main chain are used to obtain the graft copolymer. The invention also relates to the products obtained therefrom.

公开(公告)号：US11898025B2

公开(公告)日：2024-02-13

申请号：US17291037

申请日：2019-11-04

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Anantharaman Dhanabalan ,  Shaneesh Vadake Kulangara ,  Maria Soliman ,  Radha Kamalakaran ,  Anshita Sudarshan ,  Sadasivam Gopalakrishnan ,  Anirban Ganguly

IPC: C08L23/06 ,  C08G77/448 ,  C08L83/10

CPC classification number: C08L23/06 ,  C08G77/448 ,  C08L83/10 ,  C08L2207/062

Abstract: A polyethylene composition having increased environmental stress crack resistance comprises a polymer blend of a multimodal high density polyethylene (HDPE) and an additive of at least one of a polycarbonate-siloxane copolymer, a polyethylene glycol (PEG) having an average molecular weight (Mw) of at least 2000, and a random block copolymer comprising two different saturated alkane blocks between two aromatic hydrocarbon blocks. The additive is present in the polymer blend in an amount of from 1 wt. % or less by weight of the polymer blend.

公开(公告)号：US09938360B2

公开(公告)日：2018-04-10

申请号：US15121092

申请日：2015-03-05

Applicant: SAUDI BASIC INDUSTRIES CORPORATION ,  SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Shaneesh Vadake Kulangara ,  Nicolaas Hendrika Friederichs

IPC: C08F4/6592 ,  C08F210/16 ,  C07F17/00 ,  C08F10/02

CPC classification number: C08F10/02 ,  C07F17/00 ,  C08F4/65908 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65927 ,  C08F210/16 ,  C08F110/02 ,  C08F2500/12 ,  C08F210/14 ,  C08F2500/10 ,  C08F2/14

Abstract: A process for the preparation of ethylene α-olefin copolymers by copolymerizing ethylene with α-olefins in the presence of a catalyst formed by contacting a metallocene complex with a cocatalyst, wherein the metallocene complex is a metallocene complex according to formula I or a metallocene complex according to formula II, wherein M is chosen from the group of Ti, Zr and Hf; Q is halogen (F, Cl, Br, I) or an alkyl group comprising 1 to 20 carbon atoms; k is the number of Q groups, is an integer and equals the valence of M minus 2; and wherein R1, R2, R3 and R4 are identical or different and can be chosen from alkyl groups with 1-20 carbon atoms.

公开(公告)号：US20200270292A1

公开(公告)日：2020-08-27

申请号：US16067863

申请日：2017-01-02

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Shaneesh Vadake Kulangara ,  Nicolaas Hendrika Friederichs ,  Anton Ginzburg ,  Alexander Voskoboynikov ,  Vyatcheslav Izmer ,  Dmitry Kononovich ,  Oleg Samsonov ,  Antonio Vittoria ,  Vincenzo Busico ,  Roberta Cipullo ,  Ninad Ghavale ,  Nitin Nandurkar ,  Ilya Borisov ,  Bogdan Guzeev ,  Dmitry Uborsky

IPC: C07F17/00 ,  C08F4/6592

Abstract: The invention relates to a metallocene complex according to formula I or II wherein M is a metal selected from lanthanides or transition metals from group 3, 4, 5 or 6 of the Periodic System of the Elements, Q is an anionic ligand to M, k is the number of Q groups and equals the valence of M minus 2, R is a divalent bridging group, R1, R2, R3 and R4 are each independently chosen from the group consisting of hydrogen (H); a halogen atom; a silyl, alkyl, cycloalkyl, aryl, alkylaryl or arylalkyl group; and R5, R6, R7 and R8 are each independently chosen from the group consisting of hydrogen (H); a halogen atom; a silyl, alkyl, cycloalkyl, aryl, alkylaryl or arylalkyl group; or two adjacent radicals R5 and R6, R6 and R7, and R7 and Ware connected with each other in a hydrocarbon ring system. The invention also relates to a catalyst comprising the metallocene complex, to a process for making polyolefms and to the use of the polyolefins for making articles.

公开(公告)号：US10400048B2

公开(公告)日：2019-09-03

申请号：US15579621

申请日：2016-05-24

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Shaneesh Vadake Kulangara ,  Nicolaas Hendrika Friederichs ,  Anton Ginzburg ,  Luca Rongo ,  Alexander Z. Voskoboynikov ,  Vyatcheslav V. Izmer ,  Dmitry S. Kononovich ,  Oleg Samsonov ,  Abbas-Alli Ghudubhai Shaikh ,  Vincenzo Busico ,  Roberta Cipullo ,  Ilya Borisov ,  Anamitra Chatterjee ,  Dmitry Uborsky

IPC: C07F17/00 ,  C08F4/6592 ,  C08F210/16 ,  C08F10/02 ,  C08F10/00 ,  C08F4/659

Abstract: The invention relates to a metallocene complex according to formula I wherein M is a metal selected from lanthanides or transition metals from group 3, 4, 5 or 6 of the Periodic System of the Elements, Q is an anionic ligand to M, k is the number of Q groups and equals the valence of M minus 2, R is a bridging group containing at least one carbon atom bonded to the indenyl moiety at 2-position, R1, R2, R3 and R4 are each independently chosen from the group consisting of H, a halogen atom and a C1-C20 hydrocarbylgroup, and wherein at least one of R1 and R2 is not H, and at least one of R3 and R4 is not H. The invention also relates to a catalyst comprising the metallocene complex, to a process for making polyolefins and to the use of the polyolefins for making articles.

公开(公告)号：US20240279447A1

公开(公告)日：2024-08-22

申请号：US18569892

申请日：2022-06-14

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Francisco Perez Valencia ,  Mark Johannes Boerakker ,  Shaneesh Vadake Kulangara

IPC: C08L23/06 ,  C08F2/18 ,  C08F4/02 ,  C08F210/16

CPC classification number: C08L23/06 ,  C08F2/18 ,  C08F4/022 ,  C08F210/16 ,  C08L2203/18 ,  C08L2205/02 ,  C08L2314/02

Abstract: An ethylene copolymer includes or consists of 55 to 80 wt % of an ethylene homopolymer component A and 20 to 45 wt % of an ethylene copolymer component B of ethylene and an olefin comonomer, wherein the component A has a melt flow index as measured according to ISO1133-1:2011 at 190° C., 1.2 kg of 80 to 400 dg/min and a density of at least 968 kg/m3, and the ethylene copolymer has a melt flow index as measured according to ISO1133-1:2011 at 190° C., 5 kg of 0.05 to 0.3 dg/min, a density of 956 to 962 kg/m3, a comonomer content of 0.03 to 0.30 mol %, a viscosity value η0.05 at a temperature of 190° C. and a shear rate of 0.05 rad/s of 200 to 1000 kPa·s and a viscosity value η300 at a temperature of 190° C. and a shear rate of 300 rad/s of 700 to 1500 Pa·s.

公开(公告)号：US11040995B2

公开(公告)日：2021-06-22

申请号：US16067863

申请日：2017-01-02

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Shaneesh Vadake Kulangara ,  Nicolaas Hendrika Friederichs ,  Anton Ginzburg ,  Alexander Voskoboynikov ,  Vyatcheslav Izmer ,  Dmitry Kononovich ,  Oleg Samsonov ,  Antonio Vittoria ,  Vincenzo Busico ,  Roberta Cipullo ,  Ninad Ghavale ,  Nitin Nandurkar ,  Ilya Borisov ,  Bogdan Guzeev ,  Dmitry Uborsky

IPC: C07F17/00 ,  C08F210/16 ,  C08F4/6592

Abstract: The invention relates to a metallocene complex according to formula I or II wherein M is a metal selected from lanthanides or transition metals from group 3, 4, 5 or 6 of the Periodic System of the Elements, Q is an anionic ligand to M, k is the number of Q groups and equals the valence of M minus 2, R is a divalent bridging group, R1, R2, R3 and R4 are each independently chosen from the group consisting of hydrogen (H); a halogen atom; a silyl, alkyl, cycloalkyl, aryl, alkylaryl or arylalkyl group; and R5, R6, R7 and R8 are each independently chosen from the group consisting of hydrogen (H); a halogen atom; a silyl, alkyl, cycloalkyl, aryl, alkylaryl or arylalkyl group; or two adjacent radicals R5 and R6, R6 and R7, and R7 and R8 are connected with each other in a hydrocarbon ring system. The invention also relates to a catalyst comprising the metallocene complex, to a process for making polyolefins and to the use of the polyolefins for making articles.

公开(公告)号：US10472447B2

公开(公告)日：2019-11-12

申请号：US15537234

申请日：2015-12-17

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Lidia Jasinska-Walc ,  Robbert Duchateau ,  Miloud Bouyahyi ,  Lukasz Szymon Rutkowski ,  Shaneesh Vadake Kulangara ,  Arkadiusz Zych

IPC: C08F255/02

Abstract: The present invention relates to a process for the preparation of a graft copolymer comprising a polyolefin main chain and one or multiple polymer side chains, the process comprising the steps of: copolymerizing at least one first type of olefin monomer and at least one second type of metal-pacified functionalized olefin monomer to obtain a polyolefin main chain having one or multiple metal-pacified functionalized short chain branches, and reacting the polyolefin main chain having one or multiple metal-pacified functionalized short chain branches with at least one metal substituting agent to obtain a polyolefin main chain having one or multiple functionalized short chain branches; and forming one or multiple polymer side chains on the polyolefin main chain, wherein as initiators the functionalized short chain branches on the polyolefin main chain are used to obtain the graft copolymer. The invention also relates to the products obtained therefrom.