Invention Grant
- Patent Title: Multilayer polypropylene film
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Application No.: US17595840Application Date: 2020-06-04
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Publication No.: US11752743B2Publication Date: 2023-09-12
- Inventor: Jingbo Wang , Markus Gahleitner , Klaus Bernreitner , Pauli Leskinen , Manfred Gruenberger
- 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 178413 2019.06.05
- International Application: PCT/EP2020/065445 2020.06.04
- International Announcement: WO2020/245251A 2020.12.10
- Date entered country: 2021-11-26
- Main IPC: B32B27/08
- IPC: B32B27/08 ; B32B27/32 ; C08F4/64 ; C08L23/14

Abstract:
Multilayer film comprising at least a skin layer, a core layer and an inner layer, whereby the inner layer comprises a single site catalyst derived (SSC) random propylene ethylene copolymer having—a melting temperature (Tm) from 120° C. to 144° C., —a content of units derived from ethylene in an amount of 1.5 to 6.0 wt.-%, —the melting temperature (Tm) fulfilling the following equation Tm
Public/Granted literature
- US20220258457A1 Multilayer polypropylene film Public/Granted day:2022-08-18
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