公开(公告)号：US20140371371A1

公开(公告)日：2014-12-18

申请号：US14372242

申请日：2013-01-16

Applicant: BOREALIS AG

Inventor： Rao Balakantha Kona ,  Stefan Schiesser ,  Andreas Hauer ,  Hansjorg Pramer

IPC: C08L23/12

CPC classification number: C08L23/12 ,  C08K3/34 ,  C08K3/346 ,  C08L23/10 ,  C08L23/142 ,  C08L23/16 ,  C08L2205/03 ,  C08L2207/02

Abstract: The invention pertains to a polypropylene composition consisting of: 55 to 79 wt % base polymer mix; 18 to 44.5 wt % talc; and 0.5 to 3 wt % additives based on the total weight of the polypropylene composition, the base polymer mix containing a XCU fraction and a XCS fraction and the XCU fraction being present in an amount of 91 to 98 wt % and the XCS fraction being present in an amount of 2 to 9 wt %; the base polymer mix containing a comonomer content of less than 5 wt % with respect to the base polymer mix; the talc having a d50 median particle size of 1.0 to 3.0 μm when measured according to ISO 13317-3 15 using a Sedigraph; and the composition having a MFR (230° C./2.16 kg; ISO 1133) of 1 to 10 g/10 min a process for the production of such a polypropylene composition and article comprising said polypropylene composition.

Abstract translation: 本发明涉及由以下组成的聚丙烯组合物：55至79重量％的基础聚合物混合物; 18至44.5重量％的滑石; 和基于聚丙烯组合物的总重量的0.5至3重量％的添加剂，含有XCU级分和XCS级分的基础聚合物混合物，并且XCU级分以91至98重量％的量存在并且XCS部分存在 为2〜9重量％。 所述基础聚合物混合物相对于所述基础聚合物混合物含有小于5重量％的共聚单体含量; 当根据ISO 13317-315使用Sedigraph测量时，滑石粉的d50中值粒径为1.0-3.0μm; 并且所述组合物具有1至10g / 10分钟的MFR（230℃/ 2.16kg; ISO 1133），用于生产这种聚丙烯组合物和包含所述聚丙烯组合物的制品的方法。

公开(公告)号：US10435551B2

公开(公告)日：2019-10-08

申请号：US14375560

申请日：2013-01-31

Applicant: Borealis AG

Inventor： Cornelia Tranninger ,  Stefan Schiesser ,  Balakantha rao Kona ,  Andreas Hauer

IPC: C08L23/12 ,  C08L23/16 ,  C08F210/06

Abstract: Injection molded article comprising at least 60 wt.-% of a heterophasic propylene copolymer, said polymer comprises a matrix being a polypropylene, said polypropylene comprises at least three polypropylene fractions, the three polypropylene fractions differ from each other by the melt flow rate and at least one of the three polypropylene fractions has a melt flow rate in the range of 1.0 to 20.0 g/10 min, and an elastomeric propylene copolymer dispersed in said matrix, wherein said heterophasic propylene copolymer has a melt flow rate of equal or more than 20.0 g/10 min and the amorphous phase of the xylene cold soluble fraction of the heterophasic propylene copolymer has an intrinsic viscosity of equal or higher than 2.0 dl/g.

公开(公告)号：US20150017366A1

公开(公告)日：2015-01-15

申请号：US14375560

申请日：2013-01-31

Applicant: Borealis AG

Inventor： Cornelia Tranninger ,  Stefan Schiesser ,  Balakantha rao Kona ,  Andreas Hauer

IPC: C08L23/12

CPC classification number: C08L23/12 ,  C08F210/06 ,  C08L23/16 ,  C08L2205/025 ,  C08L2205/035 ,  C08L2207/02 ,  C08L2308/00 ,  C08L2314/02 ,  Y10T428/1397 ,  C08F2/001 ,  C08F4/6492 ,  C08F4/6495 ,  C08F4/6465 ,  C08F210/16 ,  C08F2500/12 ,  C08F2500/17

Abstract: Injection molded article comprising at least 60 wt.-% of a heterophasic propylene copolymer, said polymer comprises a matrix being a polypropylene, said polypropylene comprises at least three polypropylene fractions, the three polypropylene fractions differ from each other by the melt flow rate and at least one of the three polypropylene fractions has a melt flow rate in the range of 1.0 to 20.0 g/10 min, and an elastomeric propylene copolymer dispersed in said matrix, wherein said heterophasic propylene copolymer has a melt flow rate of equal or more than 20.0 g/10 min and the amorphous phase of the xylene cold soluble fraction of the heterophasic propylene copolymer has an intrinsic viscosity of equal or higher than 2.0 dl/g.

Abstract translation: 包含至少60重量％的多相丙烯共聚物的注射成型制品，所述聚合物包含基质为聚丙烯，所述聚丙烯包含至少三个聚丙烯部分，三个聚丙烯部分彼此不同，熔体流动速率和 三种聚丙烯级分中的至少一种具有1.0至20.0g / 10min范围内的熔体流动速率和分散在所述基质中的弹性体丙烯共聚物，其中所述多相丙烯共聚物的熔体流动速率等于或大于20.0 g / 10分钟，异相丙烯共聚物的二甲苯冷可溶部分的无定形相的特性粘度等于或高于2.0dl / g。