The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 09, 2024

Filed:

Jul. 08, 2021
Applicant:

Borealis Ag, Vienna, AT;

Inventors:

Cornelia Tranninger, Linz, AT;

Daniela Mileva, Linz, AT;

Georg Grestenberger, Linz, AT;

Assignee:

BOREALIS AG, Vienna, AT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 23/16 (2006.01); C08L 23/08 (2006.01);
U.S. Cl.
CPC ...
C08L 23/16 (2013.01); C08L 23/0815 (2013.01); C08L 2205/025 (2013.01); C08L 2205/03 (2013.01); C08L 2207/02 (2013.01); C08L 2207/066 (2013.01);
Abstract

A heterophasic polypropylene composition (C) comprising: a. 60.0 to 85.0 wt.-% of a first heterophasic propylene ethylene copolymer (HECO1), having: i. 75.0 to 92.0 wt.-% of a CRYSTEX QC crystalline fraction (CF); ii. 8.0 to 25.0 wt.-% of a CRYSTEX QC soluble fraction (SF); iii. an IV(SF) of 2.00 to 4.00 dl/g; b. 5.0 to 20.0 wt.-% of a second heterophasic propylene ethylene copolymer (HECO2), having i. 15.0 to 30.0 wt.-% of a CRYSTEX QC soluble fraction (SF); ii. an IV(SF) of 2.5 to 5.0 dl/g; and c. 5.0 to 20.0 wt.-% of a polymer of ethylene (PE), being selected from an ethylene-based plastomer and an LDPE, having a density in the range from 895 to 925 kg/m; wherein the heterophasic polypropylene composition (C) has an MFR2 in the range from 15.0 to 40.0 g/10 min, and 5.0 to 23.0 wt.-% of a CRYSTEX QC soluble fraction (SF).


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