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:
Feb. 14, 2023

Filed:

Apr. 26, 2018
Applicant:

Sabic Global Technologies B.v., Bergen op Zoom, NL;

Inventors:

Sarah Van Mierloo, Geleen, NL;

Patrick Voets, Geleen, NL;

Assignee:

SABIC GLOBAL TECHNOLOGIES B.V., Bergen op Zoom, NL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/1545 (2006.01); B29C 48/00 (2019.01); B29C 48/08 (2019.01); C08J 5/18 (2006.01); C08K 5/098 (2006.01); B29K 23/00 (2006.01);
U.S. Cl.
CPC ...
C08K 5/1545 (2013.01); B29C 48/0018 (2019.02); B29C 48/022 (2019.02); B29C 48/08 (2019.02); C08J 5/18 (2013.01); C08K 5/098 (2013.01); B29K 2023/12 (2013.01); B29K 2023/16 (2013.01); C08J 2323/12 (2013.01); C08J 2323/14 (2013.01); C08K 2201/019 (2013.01);
Abstract

The invention relates to a composition comprising: a) a propylene homopolymer or propylene-ethylene copolymer having an ethylene content of at most 1.5 wt % based on the weight of the propylene-ethylene copolymer, said a propylene homopolymer or propylene-ethylene copolymer having: i) a Mw/Mn in the range of 4.0 to 12, wherein Mw stands for the weight average molecular weight and Mn stands for the number average molecular weight and wherein Mw and Mn are measured according to ASTM D6474-12; ii) an XS in the range from 1.0 to 8.0 wt %, wherein XS stands for the amount of xylene solubles which are measured according to ASTM D 492-10; and iii) a melt flow rate in the range of 1 to 10 dg/minas measured according to ISO1133:2011(2.16 kg/230° C.); b) a first additive, being one or more tocopherols and/or one or more tocotrienols; and c) a second additive, being an organic acid scavenger. The invention moreover relates to a biaxially oriented polypropylene (BOPP) film comprising said composition, to a process for the preparation of a biaxially oriented polypropylene (BOPP) film and to the use of the composition for the preparation of an article, preferably a BOPP film.


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