公开(公告)号：US10723870B2

公开(公告)日：2020-07-28

申请号：US15552466

申请日：2016-02-18

Applicant: BOREALIS AG

Inventor： Pauli Leskinen ,  Johanna Lilja ,  Jingbo Wang ,  Markus Gahleitner

IPC: C08L23/14 ,  C08F210/06 ,  C08F10/06 ,  F16L9/12

Abstract: A process for producing a heterophasic copolymer composition comprising polymerising in multiple steps and multiple polymerisation reactors propylene monomer and a comonomer selected from ethylene, alpha-olefins having 4 to 10 carbon atoms and their mixtures, in the presence of an olefin polymerisation catalyst comprising a solid catalyst component and a co-catalyst, wherein the solid catalyst component comprises titanium, magnesium, halogen and an internal donor of the formula (I): wherein R1 and R2 are the same or different being a linear or branched C1-C12-alkyl group and R is hydrogen or a linear, branched or cyclic C1 to C12-alkyl.

公开(公告)号：US10457766B2

公开(公告)日：2019-10-29

申请号：US15522622

申请日：2015-11-04

Applicant: Borealis AG

Inventor： Hermann Braun ,  Jingbo Wang ,  Markus Gahleitner ,  Hermann Prokschi ,  Johanna Lilja

IPC: C08F255/02 ,  C08F255/04 ,  C08K5/00

Abstract: The invention relates to a propylene homopolymer or copolymer having a comonomer in the copolymer selected from ethylene, C4-C20-alpha olefin, said propylene homopolymer or copolymer being free of phthalic compound. It further relates to a long-chain branched propylene homopolymer or copolymer (b-PP) having a comonomer in the copolymer selected from ethylene, C4-C20-alpha olefins, said long-chain branched propylene homopolymer or copolymer (b-PP) being free of phthalic compound. As well as their production processes and uses.

公开(公告)号：US20190323155A1

公开(公告)日：2019-10-24

申请号：US16451936

申请日：2019-06-25

Applicant: Borealis AG

Inventor： Joachim Fiebig ,  Henk Van Paridon ,  Jingbo Wang ,  Markus Gahleitner ,  Wilhelmus Henricus Adolf Sars ,  Antti Tynys

IPC: D04H1/56 ,  C08K5/3435 ,  D04H1/4291 ,  D04H1/544 ,  C08K5/103 ,  C08F8/50 ,  D04H3/16 ,  D04H3/007 ,  D01F1/10 ,  D01F6/06 ,  A61B46/00 ,  A41D13/12 ,  A61F13/51

Abstract: Melt-blown webs having no shots and improved barrier properties, whereby the melt-blown webs are made out of a so-called “controlled rheology” propylene (CR-PP), which was visbroken without any peroxide.

公开(公告)号：US10442883B2

公开(公告)日：2019-10-15

申请号：US15741662

申请日：2016-07-04

Applicant: Borealis AG

Inventor： Jingbo Wang ,  Katja Klimke ,  Markus Gahleitner ,  Pauli Leskinen ,  Johanna Lilja

IPC: C08F299/00 ,  B65D1/02 ,  C08L23/14

Abstract: The invention is related to a new soft heterophasic random propylene copolymer with improved optical properties, as well as the process by which the heterophasic random propylene copolymer is produced.

公开(公告)号：US20190276571A1

公开(公告)日：2019-09-12

申请号：US16304898

申请日：2017-06-12

Applicant: Borealis AG

Inventor： Jingbo Wang ,  Wilfried Töltsch ,  Elisabeth Potter ,  Markus Gahleitner

IPC: C08F210/06 ,  C08F210/08 ,  C08F4/654

Abstract: The present invention relates to nucleated propylene-butylene copolymers comprising propylene and butylene monomer units, wherein the nucleated propylene-butylene copolymer has improved stiffness, better impact behaviour and optical properties such as low haze and improved optomechanical ability.

公开(公告)号：US20190225723A1

公开(公告)日：2019-07-25

申请号：US16336795

申请日：2017-10-10

Applicant: BOREALIS AG

Inventor： Markus Gahleitner ,  Jingbo Wang ,  Carl-Gustaf Ek ,  Klaus Bernreitner

IPC: C08F210/16

Abstract: The invention is related to a polymer composition comprising a propylene/ethylene/C4 to C10 α-olefin (GO) terpolymer, which has improved toughness, as well as the article made thereof. The invention also directs to a method for the preparation of the terpolymer and the polymer composition comprising said terpolymer.

公开(公告)号：US10100185B2

公开(公告)日：2018-10-16

申请号：US15113907

申请日：2015-02-03

Applicant: BOREALIS AG

Inventor： Jingbo Wang ,  Pauli Leskinen ,  Johanna Lilja ,  Markus Gahleitner

IPC: C08L23/16 ,  C08L23/14 ,  C08F210/06

Abstract: The present invention is directed to a new heterophasic propylene copolymer (RAHECO) and an injection molded article comprising the heterophasic propylene copolymer (RAHECO) as well as a thin wall packaging comprising the heterophasic propylene copolymer (RAHECO). The present invention is further directed to the use of the heterophasic propylene copolymer (RAHECO) for improving the toughness of an injection molded article.

公开(公告)号：US10030109B2

公开(公告)日：2018-07-24

申请号：US15115929

申请日：2015-02-06

Applicant: Borealis AG

Inventor： Luca Boragno ,  Cornelia Tranninger ,  Markus Gahleitner

IPC: C08J5/04 ,  C08L23/14

Abstract: Fiber reinforced composition comprising (a) a polypropylene random copolymer comprising ethylene and/or C4 to C8 a-olefin (PP-RACO), (b) glass fibers (GF), and (c) a polar modified polypropylene as adhesion promoter (AP), wherein (i) the polypropylene random copolymer comprising ethylene and/or C4 to C8 a-olefin (PP-RACO) heaving a melt flow rate MFR2 (230° C.) measured according to ISO 1133 of at least 2.5 g/10 min, (ii) the glass fibers (GF) are cut glass fibers and (iii) the polymer contained in the reinforced composition forms a continuous phase being the matrix of the fiber reinforced composition.

公开(公告)号：US20180194887A1

公开(公告)日：2018-07-12

申请号：US15741662

申请日：2016-07-04

Applicant: Borealis AG

Inventor： Jingbo Wang ,  Katja Klimke ,  Markus Gahleitner ,  Pauli Leskinen ,  Johanna Lilja

IPC: C08F299/00 ,  B65D1/02

CPC classification number: C08F299/00 ,  B65D1/0207 ,  C08L23/142 ,  C08L2203/10 ,  C08L2207/02 ,  C08L2308/00 ,  C08L2314/02 ,  C08L23/16 ,  C08F210/06 ,  C08F2/001 ,  C08F210/16 ,  C08F2500/12 ,  C08F2500/17 ,  C08F2500/21 ,  C08F4/6545 ,  C08F4/651 ,  C08F4/6492 ,  C08F4/6465 ,  C08F4/6548

Abstract: The invention is related to a new soft heterophasic random propylene copolymer with improved optical properties, as well as the process by which the heterophasic random propylene copolymer is produced.

公开(公告)号：US20180155475A1

公开(公告)日：2018-06-07

申请号：US15578599

申请日：2016-06-10

Applicant: BOREALIS AG

Inventor： Pauli Leskinen ,  Jingbo Wang ,  Johanna Lilja ,  Markus Gahleitner

IPC: C08F210/16

CPC classification number: C08F210/16 ,  C08F210/06 ,  C08L23/14 ,  C08F4/6546 ,  C08F2/001 ,  C08F110/06 ,  C08F4/6492 ,  C08F4/651 ,  C08F210/08 ,  C08F2500/12 ,  C08F2500/26

Abstract: The present invention relates to a process for producing polypropylene polymer composition by polymerizing propylene with a C4 to C8 α-olefin comonomer and with ethylene in a sequential polymerization process with at least two reactors connected in series in the presence of a solid Ziegler-Natta catalyst component being free of external carrier material and any phthalic compounds, and wherein the C4 to C8 α-olefin comonomer content in the propylene polymer composition is at least 4.5 wt-%.