- 专利标题： Multilayer film with improved properties
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申请号： US17998880申请日： 2021-05-14
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公开(公告)号： US11904580B2公开(公告)日： 2024-02-20
- 发明人: Jingbo Wang , Markus Gahleitner , Klaus Bernreitner , Pauli Leskinen , Peter Niedersuess , Stefan Ortner
- 申请人： BOREALIS AG
- 申请人地址： AT Vienna
- 专利权人： BOREALIS AG
- 当前专利权人： BOREALIS AG
- 当前专利权人地址： AT Vienna
- 代理机构： TAROLLI, SUNDHEIM, COVELL & TUMMINO L.L.P.
- 优先权： EP 175211 2020.05.18
- 国际申请： PCT/EP2021/062803 2021.05.14
- 国际公布： WO2021/233772A 2021.11.25
- 进入国家日期： 2022-11-15
- 主分类号： B32B27/32
- IPC分类号： B32B27/32 ; B29C48/00 ; C08L23/12 ; C08L23/16 ; B32B27/08 ; B29K23/00
摘要：
The present invention relates to a multilayer blown film including at least one skin layer (A) including a Ziegler Natta catalyzed heterophasic propylene copolymer (HECO) and one inner layer (B) including a metallocene catalyzed propylene based random copolymer (PRC), and optionally one core layer (C) including either a Ziegler Natta catalyzed heterophasic propylene copolymer (HECO) or a metallocene catalyzed propylene based random copolymer (PRC).
公开/授权文献
- US20230382091A1 MULTILAYER FILM WITH IMPROVED PROPERTIES 公开/授权日：2023-11-30
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