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40重量％至94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；C)基于聚合物组合物的总重量的3重量％至30重量％的为丙烯与1-己烯的共聚物的增容剂,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；3重量％至30重量％的改性剂,所述改性剂选自塑性体、不同于组分B)的多相聚丙烯共聚物及其混合物；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)、B)和C)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0.0g/10分钟的范围内；以及组分B)的1-己烯含量在2.0重量％至8.0重量％的范围内。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)和C)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 40 to 94% 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; C)3 to 30 wt. -%, based on the total weight of the polymer composition, of a compatibilizer that is 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 a propylene copolymer having a higher 1-hexene content than the first random propylene copolymer b1)A second random copolymer of propylene with 1-hexene; 3 to 30 wt. -% of a modifier selected from the group consisting of plastomers, heterophasic polypropylene copolymers different from component B) and mixtures thereof; 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; the weight percentages of components A), B) and C) 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 0.0g/10 min; and the 1-hexene content of component B) is in the range of 2.0 to 8.0 wt.%. The invention also relates to a process for the manufacture of the polymer composition, to the use of components B) and C) as compatibilizers for polymer blend a), and to articles comprising the polymer composition according to the invention.)