公开(公告)号：US20140303308A1

公开(公告)日：2014-10-09

申请号：US14238701

申请日：2012-08-14

Applicant: Borealis AG

Inventor： Georg Grestenberger ,  Christelle Grein ,  Cornelia Kock

IPC: C08L23/14

CPC classification number: C08L23/14 ,  C08L23/06 ,  C08L23/10 ,  C08L2205/025 ,  C08L2205/03 ,  C08L2207/02 ,  C08L2207/04

Abstract: The present invention relates to a polyolefin composition comprising a heterophasic propylene copolymer having a MFR2 of at least 5 g/10 min and a polyethylene (PE) having a density of at least 935 kg/m3 and a melt flow rate MFR5 (190° C.) of less than 1.5 g/10 min.5

Abstract translation: 本发明涉及一种聚烯烃组合物，其包含MFR 2为至少5g / 10min的多相丙烯共聚物和密度为至少935kg / m 3的聚乙烯（PE）和熔体流动速率MFR 5（190℃） 。）小于1.5 g / 10 min

公开(公告)号：US10253171B2

公开(公告)日：2019-04-09

申请号：US14057818

申请日：2013-10-18

Applicant: Borealis AG

Inventor： Christelle Grein ,  Klaus Bernreitner

IPC: B01J31/34 ,  C08L23/12 ,  C08F210/06 ,  C08F210/16 ,  C08F297/08 ,  C08L23/10 ,  C08F110/02 ,  C08L23/16

Abstract: Reactor grade thermoplastic polyolefins with high flowability and excellent surface quality comprising (A) 40-90 wt % of a propylene homo- or copolymer matrix with an MFR in accordance with ISO 1 133 (230° C., 2.16 kg load) of ≥200 g/10 min and (B) 2-30 wt % of an elastomeric ethylene-propylene copolymer having an intrinsic viscosity IV (according to ISO 1628 with decalin as solvent) of ≤2.8 dl/g and an ethylene content of >50 to 80 wt % and (C) 8-30 wt % of an elastomeric ethylene-propylene copolymer having an intrinsic viscosity IV (according to ISO 1628 with decalin as solvent) of 3.0-6.5 dl/g and an propylene content of 50 to 80 wt %, the reactor grade thermoplastic polyolefins being obtainable by a multistage polymerization process with at least 3 polymerization steps in the presence of a catalyst system comprising (i) a Ziegler-Natta procatalyst which contains a trans-esterification product of a lower alcohol and a phthalic ester and (ii) an organometallic cocatalyst and (iii) external donor represented by formula (I) Si(OCH2CH3)3(NR1R2) wherein R1 and R2 can be the same or different a represent a hydrocarbon group having 1 to 12 carbon atoms, as well as the use of these reactor grade thermoplastic polyolefins and molded articles produced from them.

公开(公告)号：US20140187708A1

公开(公告)日：2014-07-03

申请号：US14240260

申请日：2012-08-22

Applicant: Borealis AG

Inventor： Christelle Grein ,  Cornelia Tranninger ,  Michael Tranninger ,  Goerg Grestenberger

IPC: C08L23/14

CPC classification number: C08L23/14 ,  C08F210/06 ,  C08L23/04 ,  C08L23/06 ,  C08L23/10 ,  C08L23/142 ,  C08L2205/02 ,  C08F2/001 ,  C08F4/6492 ,  C08F210/16 ,  C08F2500/12 ,  C08F2500/17

Abstract: The present invention relates to a polyolefin composition comprising (a) a heterophasic propylene copolymer, wherein the xylene cold soluble fraction of the heterophasic propylene copolymer has an intrinsic viscosity of lower than 2.0 dl/g, (b) a high density polyethylene having a density of at least 940 kg/m3, (c) a linear low density polyethylene, and (d) an inorganic filler, wherein the polyolefin composition has a MFR2 (230° C.) of at least 20 g/10 min.

Abstract translation: 本发明涉及一种聚烯烃组合物，其包含（a）多相丙烯共聚物，其中异相丙烯共聚物的二甲苯冷可溶部分的特性粘度低于2.0dl / g，（b）具有密度的高密度聚乙烯 至少940kg / m 3，（c）线性低密度聚乙烯和（d）无机填料，其中聚烯烃组合物的MFR 2（230℃）为至少20g / 10min。

公开(公告)号：US20140045994A1

公开(公告)日：2014-02-13

申请号：US14057818

申请日：2013-10-18

Applicant: Borealis AG

Inventor： Christelle Grein ,  Klaus Bernreitner

IPC: C08L23/12

CPC classification number: C08L23/12 ,  C08F110/02 ,  C08F210/06 ,  C08F210/16 ,  C08F297/08 ,  C08F297/083 ,  C08L23/10 ,  C08L23/16 ,  C08L2205/02 ,  Y02P20/52 ,  C08F2/001 ,  C08F4/6465 ,  C08L2666/06 ,  C08L2666/02 ,  C08F2500/12 ,  C08F2500/17 ,  C08F2500/21

Abstract: Reactor grade thermoplastic polyolefins with high flowability and excellent surface quality comprising (A) 40-90 wt % of a propylene homo- or copolymer matrix with an MFR in accordance with ISO 1 133 (230° C., 2.16 kg load) of ≧200 g/10 min and (B) 2-30 wt % of an elastomeric ethylene-propylene copolymer having an intrinsic viscosity IV (according to ISO 1628 with decalin as solvent) of ≦2.8 dl/g and an ethylene content of >50 to 80 wt % and (C) 8-30 wt % of an elastomeric ethylene-propylene copolymer having an intrinsic viscosity IV (according to ISO 1628 with decalin as solvent) of 3.0-6.5 dl/g and an propylene content of 50 to 80 wt %, the reactor grade thermoplastic polyolefins being obtainable by a multistage polymerization process with at least 3 polymerization steps in the presence of a catalyst system comprising (i) a Ziegler-Natta procatalyst which contains a trans-esterification product of a lower alcohol and a phthalic ester and (ii) an organometallic cocatalyst and (iii) external donor represented by formula (I) Si(OCH2CH3)3(NR1R2) wherein R1 and R2 can be the same or different a represent a hydro-carbon group having 1 to 12 carbon atoms, as well as the use of these reactor grade thermoplastic polyolefins and molded articles produced from them.

Abstract translation: 具有高流动性和优异表面质量的反应器级热塑性聚烯烃，其包含（A）40-90重量％的丙烯均聚物或共聚物基体，其具有符合ISO 1 133（230℃，2.16kg负荷）的MFR = 200g / 10分钟，和（B）2-30重量％的特性粘度IV（根据ISO 1628和十氢化萘作为溶剂）的弹性体乙烯 - 丙烯共聚物为2.8dl / g，乙烯含量> 50〜 80重量％和（C）8-30重量％的具有3.0-6.5dl / g的特性粘度IV（根据ISO 1628和十氢化萘作为溶剂）的弹性体乙烯 - 丙烯共聚物，丙烯含量为50-80重量％ ％，反应器级热塑性聚烯烃可以通过多级聚合方法获得，在催化剂体系存在下至少具有3个聚合步骤，包括（i）齐格勒 - 纳塔前催化剂，其含有低级醇和邻苯二甲酸的酯交换反应产物 酯和（ii）有机金属助催化剂和（iii） 由式（I）Si（OCH 2 CH 3）3（NR 1 R 2）表示的外部供体，其中R 1和R 2可以相同或不同，a表示具有1至12个碳原子的烃基，以及这些反应器级热塑性塑料 聚烯烃和由它们生产的模塑制品。