Invention Grant
- Patent Title: Polypropylene composition with excellent surface appearance
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Application No.: US16620321Application Date: 2018-06-21
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Publication No.: US11377543B2Publication Date: 2022-07-05
- Inventor: Thomas Lummerstorfer , Daniela Mileva , Georg Grestenberger
- Applicant: BOREALIS AG
- Applicant Address: AT Vienna
- Assignee: BOREALIS AG
- Current Assignee: BOREALIS AG
- Current Assignee Address: AT Vienna
- Agency: Tarolli, Sundheim, Covell & Tummino LLP
- Priority: EP17177842 20170626,EP18159755 20180302
- International Application: PCT/EP2018/066547 WO 20180621
- International Announcement: WO2019/002078 WO 20190103
- Main IPC: C08L23/12
- IPC: C08L23/12 ; C08K5/098 ; C08K5/14 ; C08L23/08 ; C08L23/30
Abstract:
The present invention is directed to a heterophasic polypropylene composition (HC) comprising a modified polypropylene composition (mPP), a process for preparing said heterophasic polypropylene composition (HC) and an article comprising said heterophasic polypropylene composition (HC). The present invention is further directed to the use of a composition comprising a peroxide (PO) and a crosslinking agent (CA) to reduce tigerskin of a polypropylene composition (PP).
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