公开(公告)号：US20160333175A1

公开(公告)日：2016-11-17

申请号：US15109855

申请日：2015-01-06

Applicant: BOREALIS AG

Inventor： Jingbo WANG ,  Petar DOSHEV ,  Luigi RESCONI ,  Wilfried TOLTSCH

IPC: C08L23/14 ,  C08J5/18

CPC classification number: C08L23/142 ,  C08F210/06 ,  C08J5/18 ,  C08J2323/16 ,  C08J2423/16 ,  C08F110/06 ,  C08F2500/03 ,  C08F2500/12 ,  C08F2500/17 ,  C08F2500/20 ,  C08F210/16 ,  C08F2/001

Abstract: A heterophasic propylene ethylene copolymer having an MFR2 of 0.5 to 100 g/10m in and obtained using single site catalysis comprising: (i) a propylene homopolymer or propylene ethylene copolymer matrix having up to 4 wt % ethylene; and (ii) an ethylene propylene rubber (EPR) dispersed in the matrix; said heterophasic propylene ethylene copolymer having a xylene cold soluble content (XS) of 20 to 40%; wherein the ethylene content of the xylene cold soluble fraction of said heterophasic propylene ethylene copolymer is between 70 and 90 wt.%; wherein the xylene cold soluble fraction of said heterophasic propylene ethylene copolymer has an intrinsic viscosity (IV) of 3.0 dl/g or more; and wherein the melting enthalpy (AHM) of the heterophasic propylene ethylene copolymer is between 10 and 30 J/g at a temperature of 0 to 130° C.

Abstract translation: 使用单位点催化得到MFR 2为0.5至100g / 10m的多相丙烯乙烯共聚物，其包含：（i）具有至多4重量％乙烯的丙烯均聚物或丙烯乙烯共聚物基质; 和（ii）分散在基质中的乙丙橡胶（EPR）; 所述异相丙烯乙烯共聚物具有20至40％的二甲苯冷可溶物含量（XS）; 其中所述多相丙烯乙烯共聚物的二甲苯冷可溶部分的乙烯含量为70-90重量％; 其中所述多相丙烯乙烯共聚物的二甲苯冷可溶部分的特性粘度（IV）为3.0dl / g以上; 并且其中异相丙烯乙烯共聚物的熔融焓（AHM）在0至130℃的温度下为10至30J / g。

公开(公告)号：US20170335035A1

公开(公告)日：2017-11-23

申请号：US15538899

申请日：2015-12-28

Applicant: BOREALIS AG

Inventor： Wilfried TOLTSCH ,  Luigi RESCONI

IPC: C08F210/06 ,  C08J5/18

CPC classification number: C08F210/06 ,  C08J5/18 ,  C08J2323/14 ,  C08F210/08 ,  C08F2500/26 ,  C08F4/6465 ,  C08F4/6492 ,  C08F210/16 ,  C08F2500/12

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).

公开(公告)号：US20160152810A1

公开(公告)日：2016-06-02

申请号：US14904150

申请日：2014-07-10

Applicant: BOREALIS AG

Inventor： Luigi RESCONI ,  Wilfried TOLTSCH ,  Jingbo WANG ,  Markus GAHLEITNER

IPC: C08L23/10

CPC classification number: C08L23/10 ,  C08F4/65912 ,  C08L23/14 ,  C08L23/16 ,  C08L2207/02 ,  C08F10/00 ,  C08F4/65927 ,  C08F210/06 ,  C08F2/001 ,  C08F2500/12 ,  C08F4/6492

Abstract: A heterophasic propylene ethylene copolymer having an MFR2 of 0.5 to 100 g/10 min and obtained using single site catalysis comprising: (i) at least 40 wt % of a propylene homopolymer or propylene ethylene copolymer matrix having up to 4 wt % comonomer; (ii) at least 10 wt % of an ethylene propylene rubber dispersed in the matrix, said heterophasic propylene ethylene copolymer having a xylene cold soluble content (XS) of 12 to 60%; wherein the ethylene content of the xylene cold soluble fraction of said heterophasic propylene ethylene copolymer is between 18 and 70 wt. %; and wherein the intrinsic viscosity of the XS fraction of said heterophasic propylene ethylene copolymer is greater than the intrinsic viscosity of the matrix fraction of said copolymer.

Abstract translation: 具有0.5-100g / 10min的MFR2为0.5-100g / 10min的异相丙烯乙烯共聚物，其使用单点催化得到，其包含：（i）至少40wt％的具有至多4wt％共聚单体的丙烯均聚物或丙烯乙烯共聚物基质; （ii）至少10重量％的分散在基质中的乙丙橡胶，所述多相丙烯乙烯共聚物具有12至60％的二甲苯冷可溶物含量（XS）; 其中所述多相丙烯乙烯共聚物的二甲苯冷可溶部分的乙烯含量为18至70重量％。 ％; 并且其中所述多相丙烯乙烯共聚物的XS部分的特性粘度大于所述共聚物的基体部分的特性粘度。