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    Process for preparing propylene copolymers
    22.
    发明授权
    Process for preparing propylene copolymers 有权

    公开(公告)号：US10266624B2

    公开(公告)日：2019-04-23

    申请号：US15538899

    申请日：2015-12-28

    Applicant: BOREALIS AG

    Inventor： Wilfried Toltsch ,  Luigi Resconi

    IPC: C08F210/06 ,  C08J5/18

    Abstract: The present invention relates to an olefin polymerization process, wherein propylene and 1-butene and optionally ethylene are reacted in the presence of a Ziegler-Natta catalyst system so as to obtain a polypropylene, wherein the polypropylene comprises 1-butene-derived comonomer units in an amount of from 0.5 to 15 wt % and optionally ethylene-derived comonomer units in an amount of up to 3 wt %, and the Ziegler-Natta catalyst system comprises an external donor of the formula (I) (R3)z(R2O)YSi(R1)X  (I).

    Polypropylene composition combining softness, toughness, low haze and high thermal resistance
    24.
    发明授权
    Polypropylene composition combining softness, toughness, low haze and high thermal resistance 有权
    聚丙烯组合物结合柔软度，韧性，低雾度和高耐热性

    公开(公告)号：US09416207B2

    公开(公告)日：2016-08-16

    申请号：US14380000

    申请日：2013-02-26

    Applicant: Borealis AG

    Inventor： Kristin Reichelt ,  Sameli Hakola ,  Luigi Resconi

    IPC: C08F2/00 ,  C08F210/00 ,  C08F10/14 ,  C08F210/06 ,  C08L23/10

    CPC classification number: C08F210/06 ,  C08L23/10

    Abstract: The present invention relates to a polypropylene composition comprising comonomer units derived from ethylene in an amount of from 1.5 wt % to 35 wt %, and from at least one C5-12 alpha-olefin in an amount of from 1.0 mol % to 3.0 mol %, wherein the polypropylene composition has an amount of xylene solubles XS of at least 40 wt %, and the xylene solubles have an amount of ethylene-derived comonomer units of from 4.0 wt % to 70 wt %.

    Abstract translation: 本发明涉及一种聚丙烯组合物，其包含量为1.5重量％至35重量％的源自乙烯的共聚单体单元和至少一种量为1.0摩尔％至3.0摩尔％的C 5-12α-烯烃， 其中所述聚丙烯组合物的二甲苯可溶物的量XS为至少40重量％，二甲苯可溶物的乙烯衍生的共聚单体的量为4.0重量％〜70重量％。

    HETEROPHASIC PROPYLENE ETHYLENE COPOLYMER COMPOSITION WITH DESIRABLE BALANCE OF MECHANICAL PROPERTIES
    25.
    发明申请
    HETEROPHASIC PROPYLENE ETHYLENE COPOLYMER COMPOSITION WITH DESIRABLE BALANCE OF MECHANICAL PROPERTIES 有权

    公开(公告)号：US20220396695A1

    公开(公告)日：2022-12-15

    申请号：US17773722

    申请日：2020-11-02

    Applicant: BOREALIS AG

    Inventor： Jingbo Wang ,  Luigi Resconi ,  Markus Gahleitner ,  Klaus Bernreitner ,  Wilfried Töltsch

    IPC: C08L23/16 ,  C08L23/12 ,  C08F10/06

    Abstract: A heterophasic propylene ethylene copolymer composition having an MFR2 in the range from 1.0 to 55.0 g/10 min and a melting temperature in the range from 155 to 162° C., comprising: i) from 60 to 88 wt.-% of a xylene cold insoluble fraction (XCI) having an intrinsic viscosity iV(XCI) in the range from 1.40 to 2.50 dl/g, an isotactic pentad concentration [mmmm] of more than 97.0% and a content of 2,1-regiodefects in the range from 0.1 to 0.4 mol %, ii) from 12 to 40 wt.-% of a xylene cold soluble fraction (XCS) having an intrinsic viscosity iV(XCS) in the range from 1.80 to 3.20 dl/g and an ethylene content C2(XCS) in the range from 25 to 80 wt.-%, wherein the ratio of the intrinsic viscosities of the two fractions, iV(XCS)/iV(XCI), is in the range from 1.0 to 2.0.

    Catalysts
    26.
    发明授权
    Catalysts 有权

    公开(公告)号：US11352376B2

    公开(公告)日：2022-06-07

    申请号：US16461517

    申请日：2017-11-17

    Applicant: BOREALIS AG

    Inventor： Noureddine Ajellal ,  Luigi Resconi ,  Vyatcheslav V. Izmer ,  Dmitry S. Kononovich ,  Alexander Z. Voskoboynikov ,  Ville Virkkunen

    IPC: C07F17/00 ,  C08F4/6592 ,  C08F110/06 ,  C07F7/08 ,  C07C1/20 ,  C07C13/32 ,  C07C41/00 ,  C07C45/68 ,  C07C49/443 ,  C08F4/649 ,  C08F10/06 ,  C07C41/18 ,  C08F4/659

    Abstract: A complex of formula (I) wherein M is zirconium or hafnium; each X independently is a sigma ligand; L is a divalent bridge selected from —R′2C—, —R′2C—CR′2—, —R′2Si—, —R′2Si—SiR′2—, —R′2Ge—, wherein each R′ is independently a hydrogen atom or a C1-C20-hydrocarbyl .group optionally containing one or more silicon atoms or heteroatoms of Group 14-16 of the periodic table or fluorine atoms, and optionally two R′ groups taken together can form a ring; R2 and R2′ are each independently a C1-C20 hydrocarbyl group, —OC1-20 hydrocarbyl group or —SC1-20 hydrocarbyl group; R5 is a —OC1-20 hydrocarbyl group or —SC1-20 hydrocarbyl group, said R5 group being optionally substituted by one or more halo groups; R5′ is hydrogen or a C1-20 hydrocarbyl group; —OC1-20 hydrocarbyl group or —SC1-20 hydrocarbyl group; said C1-20 hydrocarbyl group being optionally substituted by one or more halo groups; R6 and R6′ are each independently a C1-20 hydrocarbyl group; —OC1-20 hydrocarbyl group or —SC1-20 hydrocarbyl group; each R1 and R1′ are independently —CH2Rx wherein Rx are each independently H, or a C1-20 hydrocarbyl group, optionally containing heteroatoms.

    Process for preparing propylene polymer compositions
    28.
    发明授权
    Process for preparing propylene polymer compositions 有权

    公开(公告)号：US10851191B2

    公开(公告)日：2020-12-01

    申请号：US15580260

    申请日：2016-06-29

    Applicant: BOREALIS AG

    Inventor： Luigi Resconi ,  Pavel Shutov ,  Wilfried Toltsch

    IPC: C08F210/06 ,  C08F210/16

    Abstract: The present invention relates to an olefin polymerization process, wherein propylene and a C4 to C10 a-olefin, preferably 1-butene and optionally ethylene are reacted in the presence of a Ziegler-Natta catalyst so as to obtain a polypropylene, wherein the polypropylene comprises C4 to C10 a-olefin, preferably 1-butene-derived comonomer units in an amount of from 0.5 wt % to 15 wt % and ethylene-derived comonomer units in an amount of 0 wt % to 3 wt %, and wherein the Ziegler-Natta catalyst comprises i) an external donor of the formula (I): (R3)z(R2O)ySi(R1)x and ii) a solid Ziegler-Natta catalyst component being free of external carrier material.

    Process for preparing propylene copolymers
    29.
    发明授权
    Process for preparing propylene copolymers 有权

    公开(公告)号：US10696764B2

    公开(公告)日：2020-06-30

    申请号：US15538899

    申请日：2015-12-28

    Applicant: BOREALIS AG

    Inventor： Wilfried Toltsch ,  Luigi Resconi

    IPC: C08F210/06 ,  C08J5/18

    Abstract: The present invention relates to an olefin polymerization process, wherein propylene and 1-butene and optionally ethylene are reacted in the presence of a Ziegler-Natta catalyst system so as to obtain a polypropylene, wherein the polypropylene comprises 1-butene-derived comonomer units in an amount of from 0.5 to 15 wt % and optionally ethylene-derived comonomer units in an amount of up to 3 wt %, and the Ziegler-Natta catalyst system comprises an external donor of the formula (I) (R3)z(R2O)YSi(R1)X  (I).

    Process for the preparation of copolymers of propylene
    30.
    发明授权
    Process for the preparation of copolymers of propylene 有权

    公开(公告)号：US10081686B2

    公开(公告)日：2018-09-25

    申请号：US15510040

    申请日：2015-09-11

    Applicant: BOREALIS AG

    Inventor： Luigi Resconi ,  Wilfried Töltsch ,  Jingbo Wang

    IPC: C08F4/00 ,  C08F4/06 ,  C08F32/00 ,  C08F4/16 ,  C08F210/02 ,  C08F210/06 ,  B01J35/02

    CPC classification number: C08F4/16 ,  B01J35/026 ,  C08F2/38 ,  C08F210/02 ,  C08F210/06 ,  C08F2500/10 ,  C08F2500/17 ,  C08F4/65927 ,  C08F2500/12

    Abstract: A process for the preparation of a copolymer of propylene and ethylene comprising polymerizing propylene and ethylene in the gas phase in the presence of a solid particulate catalyst free from an external carrier comprising: (i) a symmetrical complex of formula (I), wherein M is zirconium or hafnium; each X is a sigma ligand; L is a divalent bridge selected from —R′2C—, —R′2C—CR′2—, —R′2Si—, —R′2Si—SiR′2—, —R′2Ge—, wherein each R′ is independently a hydrogen atom, C1-C20-alkyl, tri(C1-C20-alkyl)silyl, C6-C20-aryl, C7-C20-arylalkyl or C7-C20-alkylaryl; R2 is a C1-C20 hydrocarbyl radical; m is 2 to 5; R9 is a H or C1-C20 hydrocarbyl radical; R7 is a hydrogen atom or a C1-10 hydrocarbyl radical; n is 0 to 3; R1 is a C1-C20 hydrocarbyl radical and optionally two adjacent R1 groups taken together can form a further mono or multicyclic ring condensed to Ph ring optionally substituted by one or two groups R4; and R4 is a C1-C10 alkyl radical; and (ii) a cocatalyst, preferably comprising an organometallic compound of a Group 13 metal; wherein the xylene soluble fraction of the propylene ethylene copolymer has an ethylene content of at least 10 wt % and an intrinsic viscosity of at least 1.2 dl/g.

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