公开(公告)号：US10364307B2

公开(公告)日：2019-07-30

申请号：US15510030

申请日：2015-09-11

Applicant: BOREALIS AG

Inventor： Luigi Resconi ,  Norbert Hafner ,  Wilfried Töltsch

IPC: C08L23/16 ,  C08L23/14 ,  C08F210/06 ,  C08F4/6592 ,  C08F2/38 ,  C08F4/659

Abstract: A process for the preparation of a heterophasic 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; R5 is a C1-C20 hydrocarbyl radical; R6 is a tertiary C4-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 (XS) of the heterophasic copolymer of propylene and ethylene has an intrinsic viscosity of at least 1.5 dl/g and an ethylene content of 10 to 70 wt %.

公开(公告)号：US20180134826A1

公开(公告)日：2018-05-17

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

CPC classification number: C08F210/06 ,  C08F210/16 ,  C08F2800/20 ,  C08F210/08 ,  C08F2500/12 ,  C08F2500/26 ,  C08F4/6494 ,  C08F4/6465 ,  C08F4/6546 ,  C08F4/6492

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.

公开(公告)号：US09896577B2

公开(公告)日：2018-02-20

申请号：US14353734

申请日：2012-10-31

Applicant: Borealis AG

Inventor： Kristin Reichelt ,  Luigi Resconi

IPC: C08L23/14 ,  C08L23/10 ,  C09D123/14

CPC classification number: C08L23/14 ,  C08F210/06 ,  C08L23/10 ,  C08L23/142 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2666/06 ,  C09D123/14 ,  C08F2/001 ,  C08F210/14 ,  C08F2500/12

Abstract: Polymer composite comprising propylene copolymer composition having a comonomer content in the range of 2.5 to 10 wt. -%, the comonomers are C5 to C12 α-olefins, and a low-crystalline polymer having a melting temperature of below 120° C., wherein further said polymer composite has (i) a melting temperature of at least 140° C., and (ii) a heat sealing initiation temperature (SIT) of not more than 110° C.

公开(公告)号：US09630980B2

公开(公告)日：2017-04-25

申请号：US14876328

申请日：2015-10-06

Applicant: BOREALIS AG

Inventor： Norbert Hafner ,  Pascal Castro ,  Pavel Sergeevich Kulyabin ,  Vyatcheslav Izmer ,  Alexander Voskoboynikov ,  Luigi Resconi ,  Dmitry Kononovich ,  Ville Virkkunen ,  Dmitry Uborsky

IPC: C07C13/36 ,  C07C13/38 ,  C07C41/01 ,  C08F4/6592 ,  C07F7/08 ,  C07C13/465 ,  C07F17/00 ,  C08L23/12 ,  C08F10/06 ,  C08F110/06 ,  C08F210/06 ,  C08F4/659

CPC classification number: C07F7/081 ,  C07C13/36 ,  C07C13/38 ,  C07C13/465 ,  C07C41/01 ,  C07F17/00 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65927 ,  C08F10/06 ,  C08F110/06 ,  C08F210/06 ,  C08L23/12 ,  C08L2207/02 ,  C08L2314/06 ,  C08L23/16 ,  C08F2500/03 ,  C08F2500/12 ,  C08F210/16

Abstract: A ligand of formula (I′) wherein 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, C1-20-hydrocarbyl, tri(C1-20-alkyl)silyl, C6-20-aryl, C7-20-arylalkyl or C7-20-alkylaryl; R2 and R2′ are each independently a C1-20 hydrocarbyl radical; R5′ is a C1-20 hydrocarbyl group; R6, R6′, R7 and R7′ are each independently hydrogen or a C1-20 hydrocarbyl group; Ar and Ar′ are independently an aryl or heteroaryl group having up to 20 carbon atoms; each R1 is a C1-20 hydrocarbyl group or two R1 groups on adjacent carbon atoms taken together can form a fused 5 or 6 membered non aromatic ring with the Ar group; and each R4 is a C1-20 hydrocarbyl group; and the dotted lines represent a double bond present in between carbons 1 and 2 or 2 and 3 of the indenyl ring.

公开(公告)号：US09598517B2

公开(公告)日：2017-03-21

申请号：US14654405

申请日：2013-12-19

Applicant: BOREALIS AG

Inventor： Luigi Resconi ,  Pascal Castro ,  Ville Virkkunen ,  Vyatcheslav V. Izmer ,  Dmitry S. Kononovich ,  Pavel Sergeevich Kulyabin ,  Alexander Z. Voskoboynikov

IPC: C08F4/6592 ,  C08F110/06 ,  C07F17/00 ,  C07C1/32 ,  C07F7/08 ,  C08F4/659

CPC classification number: C08F110/06 ,  C07C1/326 ,  C07C2531/18 ,  C07F7/081 ,  C07F17/00 ,  C08F4/65912 ,  C08F4/65927 ,  C08F10/06 ,  C08F4/02 ,  C08F2500/03 ,  C08F2500/12 ,  C08F2500/15 ,  C08F210/06 ,  C08F210/16

Abstract: A catalyst comprising (i) an asymmetric 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 and R2′ are each independently linear C1-10 hydrocarbyl; R5 and R5′ are each independently hydrogen or a C1-20 hydrocarbyl group; R6 and R6′ are each independently hydrogen or a C1-20 hydrocarbyl group; R7 is hydrogen or a C1-20 hydrocarbyl group or is ZR3; Z is O or S, preferably O; R3 is a C1-10 hydrocarbyl group; Ar is an aryl or heteroaryl group having up to 20 carbon atoms optionally substituted by one or more groups R8; Ar′ is an aryl or heteroaryl group having up to 20 carbon atoms optionally substituted by one or more groups R8′; and R8 and R8′ are each independently is a C1-20 hydrocarbyl group; with the proviso that at least one of R6 or R7 is not H; and (ii) a cocatalyst comprising a compound of a group 13 metal, e.g. boron.

公开(公告)号：US20160176997A1

公开(公告)日：2016-06-23

申请号：US14906627

申请日：2014-07-22

Applicant: BOREALIS AG

Inventor： Luigi Resconi ,  Wilfried Töltsch ,  Wang Jingbo

IPC: C08F210/16

CPC classification number: C08F210/16 ,  C08F4/65908 ,  C08F4/65912 ,  C08F210/06 ,  C08F2410/01 ,  C08F2/001 ,  C08F2500/12 ,  C08F2500/17 ,  C08F2500/18 ,  C08F10/00 ,  C08F4/65927

Abstract: A process for the preparation of a propylene copolymer, preferably a heterophasic propylene copolymer, in a multistage polymerisation process in the presence of a single site catalyst, said process comprising: (I) in a slurry polymerisation step, polymerising propylene and optionally at least one C2-10 alpha olefin comonomer; and subsequently (II) in a gas polymerisation step polymerising propylene and optionally at least one C2-10 alpha olefin comonomer, in the presence of catalyst and polymer from step (I); (III) in a second gas polymerisation step, polymerising propylene and at least one C2-10 alpha olefin comonomer in the presence of the catalyst and polymer from step (II); wherein said catalyst comprises (i) a metallocene complex of a group (IV) metal, said metallocene comprising at least two cyclopentadienyl type ligands; (ii) a boron based cocatalyst; and (iii) an aluminoxane cocatalyst; said catalyst being in solid form, preferably in solid particulate form, and being free from an external carrier.

Abstract translation: 一种在单段聚合方法中在单段聚合方法中制备丙烯共聚物，优选多相丙烯共聚物的方法，所述方法包括：（I）在淤浆聚合步骤中，聚合丙烯和任选的至少一种 C2-10α-烯烃共聚单体; 和随后（II）在气相聚合步骤中在步骤（I）的催化剂和聚合物存在下聚合丙烯和任选的至少一种C 2-10α-烯烃共聚单体; （III）在第二气体聚合步骤中，在催化剂和来自步骤（II）的聚合物的存在下聚合丙烯和至少一种C 2-10α-烯烃共聚单体; 其中所述催化剂包含（i）金属Ⅳ族金属茂金属络合物，所述金属茂包含至少两个环戊二烯基型配体; （ii）硼基助催化剂; 和（iii）铝氧烷助催化剂; 所述催化剂为固体形式，优选为固体颗粒形式，并且不含外部载体。

公开(公告)号：US20150045522A1

公开(公告)日：2015-02-12

申请号：US14380000

申请日：2013-02-26

Applicant: Borealis AG

Inventor： Kristin Reichelt ,  Sameli Hakola ,  Luigi Resconi

IPC: C08F210/06

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％。