公开(公告)号：US20220289955A1

公开(公告)日：2022-09-15

申请号：US17635764

申请日：2020-08-04

Applicant: Borealis AG

Inventor： Susanne Margarete KAHLEN ,  Hermann BRAUN ,  Yi LIU ,  Meta CIGON ,  Philip KNAPEN

IPC: C08L23/12 ,  C08L23/06

Abstract: Disclosed is a polymer composition comprising at least the following components A) 20 to 75 wt.-% based on the overall weight of the polymer composition of a polymer blend, comprising a1) polypropylene; a2) polyethylene; wherein the weight ratio of a1) to a2) is from 3:7 to 12:1; and wherein the polymer blend A) is a recycled material; B) 25 to 80 wt.-% based on the overall weight of the polymer composition of a virgin heterophasic polypropylene block copolymer; wherein that the weight proportions of A) and B) add up to 100 wt.-%. Also disclosed are a process for manufacturing the polymer composition and articles comprising the polymer composition.

公开(公告)号：US20220356330A1

公开(公告)日：2022-11-10

申请号：US17635892

申请日：2020-08-04

Applicant: Borealis AG

Inventor： Susanne Margarete KAHLEN ,  Hermann BRAUN ,  Yi LIU ,  Meta CIGON ,  Philip KNAPEN

IPC: C08L23/12 ,  C08L23/06

Abstract: Disclosed is a polymer composition comprising at least the following components A) 20 to 75 wt.-% based on the overall weight of the polymer composition of a polymer blend, comprising a1) polypropylene; a2) polyethylene; wherein the weight ratio of a1) to a2) is from 3:7 to 12:1; and wherein the polymer blend A) is a recycled material; B) 25 to 80 wt.-% based on the overall weight of the polymer composition of a virgin polypropylene homopolymer. Also disclosed are a process for manufacturing the polymer composition, a process for improving mechanical properties of a polymer blend A) by incorporating B) into A) and articles made from the resulting polymer composition.

公开(公告)号：US20220306844A1

公开(公告)日：2022-09-29

申请号：US17635838

申请日：2020-08-04

Applicant: Borealis AG

Inventor： Susanne Margarete KAHLEN ,  Hermann BRAUN ,  Yi LIU ,  Meta CIGON ,  Philip KNAPEN

IPC: C08L23/06 ,  C08L23/12

Abstract: Disclosed is a polymer composition comprising at least the following components A) 20 to 75 wt.-% based on the overall weight of the polymer composition of a polymer blend, comprising a1) polypropylene; a2) polyethylene; wherein the weight ratio of a1) to a2) is from 3:7 to 12:1; and wherein the polymer blend A) is a recycled material; B) 25 to 80 wt.-% based on the overall weight of the polymer composition of a virgin random polypropylene copolymer wherein the weight proportions of components A) and B) add up to 100 wt.-%. Also disclosed are a process for manufacturing the polymer composition to the use of component B) for improving mechanical properties of polymer blends A) and to articles comprising the polymer composition.