Invention Grant
- Patent Title: Automotive composition
-
Application No.: US18019862Application Date: 2021-08-11
-
Publication No.: US11999840B2Publication Date: 2024-06-04
- Inventor: Jingbo Wang , Markus Gahleitner , Klaus Bernreitner , Hermann Braun , Andreas Rössler-Czermak
- Applicant: Borealis AG
- Applicant Address: AT Vienna
- Assignee: Borealis AG
- Current Assignee: Borealis AG
- Current Assignee Address: AT Vienna
- Agency: Lowenstein Sandler LLP
- Priority: EP 190826 2020.08.13
- International Application: PCT/EP2021/072353 2021.08.11
- International Announcement: WO2022/034126A 2022.02.17
- Date entered country: 2023-02-06
- Main IPC: C08L23/12
- IPC: C08L23/12

Abstract:
A composition comprising (A) 18.0 to 60.0 wt.-% of a heterophasic composition (HECO); (B) 7.0 to 55.0 wt.-% of a polypropylene-polyethylene blend (B); (C) 0.0 to 12.0 wt.-% of an HDPE; (D) 2.0 to 12.0 wt.-% of plastomer; and (E) 7.0 to 25.0 wt.-% of talc; wherein the HECO has a Tm of 150 to 159° C., an MFR2 of 20.0 to 120 g/10 min, a CRYSTEX QC crystalline fraction of 79.0 to 91.0 wt.-%, a CRYSTEX QC soluble fraction of 9.0 to 21.0 wt.-%, and an ethylene content of 1.5 to 6.5 mol.-%; blend (B) comprises at least 85.0 wt.-% of polypropylene and at most 15.0 wt.-% of polyethylene and has an MFR2 of 5.0 to 75 g/10 min and an ash content of 0.1 to 3.0 wt.-%; and the plastomer is a C2/C8 or a C2/C4 copolymer having a density of 850 to 900 kg/m3.
Public/Granted literature
- US20230348705A1 AUTOMOTIVE COMPOSITION Public/Granted day:2023-11-02
Information query