阅读说明：本技术 具有改善的韧性的聚丙烯-聚乙烯组合物 (Polypropylene-polyethylene compositions with improved toughness ) 是由 王静波 马库斯·加尔艾特纳 克劳斯·贝恩赖特纳 赫尔曼·布朗 于 2020-04-28 设计创作，主要内容包括：本发明涉及聚合物组合物,所述聚合物组合物包含至少以下组分：A)基于聚合物组合物的总重量的70重量％至97重量％的聚合物共混物,所述聚合物共混物包含a1)50重量％至95重量％的聚丙烯；a2)5重量％至50重量％的聚乙烯；B)基于聚合物组合物的总重量的3重量％至30重量％的丙烯与1-己烯的共聚物,所述丙烯与1-己烯的共聚物包含b1)30重量％至70重量％的丙烯与1-己烯的第一无规共聚物；以及b2)30重量％至70重量％的具有比第一无规丙烯共聚物b1)更高的1-己烯含量的丙烯与1-己烯的第二无规共聚物；条件是组分a1)和a2)的重量占比相加为100重量％；组分b1)和b2)的重量占比相加为100重量％；组分A)的根据ISO 1133确定的MFR-(2)(230℃,2.16kg)在1.0g/10分钟至50.0g/10分钟的范围内；基于组分B)的总重量,组分B)的1-己烯含量在2.0重量％至8.0重量％的范围内；以及所述聚合物组合物不含为密度在0.860g/cm～(3)至0.930g/cm～(3)的范围内的乙烯与1-辛烯的弹性体共聚物的塑性体。本发明还涉及用于制造所述聚合物组合物的方法,涉及组分B)作为用于聚合物共混物A)的增容剂的用途,以及涉及包含根据本发明的聚合物组合物的制品。(The present invention relates to a polymer composition comprising at least the following components: A) from 70 to 97% by weight, based on the total weight of the polymer composition, of a polymer blend comprising a1) from 50 to 95% by weight of polypropylene; a2)5 to 50 weight percent of a polyethylene; B) 3 to 30 wt. -%, based on the total weight of the polymer composition, of a copolymer of propylene and 1-hexene comprising b1)30 to 70 wt. -% of a first random copolymer of propylene and 1-hexene; and b2)30 to 70% by weight of propylene having a higher 1-hexene content than the first random propylene copolymer b1) with 1-A second random copolymer of hexene; with the proviso that the weight fractions of components a1) and a2) add up to 100% by weight; the weight fractions of components b1) and b2) add up to 100% by weight; MFR determined according to ISO 1133 of component A) 2 (230 ℃, 2.16kg) in the range of 1.0g/10 min to 50.0g/10 min; the 1-hexene content of component B) is in the range of from 2.0 to 8.0 wt. -%, based on the total weight of component B); and the polymer composition does not contain 3 To 0.930g/cm 3 A plastomer of an elastomeric copolymer of ethylene and 1-octene in the range of (a). The invention also relates to a process for the manufacture of said polymer composition, to the use of component B) as a compatibilizer for polymer blend a), and to an article comprising the polymer composition according to the invention.)