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:
Sep. 20, 2022

Filed:

Apr. 09, 2018
Applicants:

Dow Global Technologies Llc, Midland, MI (US);

Pbbpolisur S.r.l., Buenos Aires, AR;

Inventors:

Silvina Vanesa D'Agosto, Buenos Aires, AR;

Nicolas Cardoso Mazzola, Jundiai-SP, BR;

Marcelo Delmar Cantu, Jundiai-SP, BR;

Jorge Caminero Gomes, Jundiai-SP, BR;

Assignees:

Dow Global Technologies LLC, Midland, MI (US);

PBBPolisur S.R.L., Buenos Aires, AR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/32 (2006.01); B32B 27/08 (2006.01); B32B 27/18 (2006.01); B32B 27/20 (2006.01);
U.S. Cl.
CPC ...
B32B 27/32 (2013.01); B32B 27/08 (2013.01); B32B 27/18 (2013.01); B32B 27/20 (2013.01); B32B 2250/03 (2013.01); B32B 2250/242 (2013.01); B32B 2250/40 (2013.01); B32B 2264/102 (2013.01); B32B 2264/104 (2013.01); B32B 2270/00 (2013.01); B32B 2307/50 (2013.01); B32B 2307/732 (2013.01); B32B 2307/746 (2013.01); B32B 2323/043 (2013.01); B32B 2323/10 (2013.01); B32B 2383/00 (2013.01); B32B 2439/70 (2013.01); Y10T 428/1352 (2015.01);
Abstract

The present disclosure provides a multilayer film containing at least three layers, including (A) a core layer containing a high density polyethylene (HDPE) having a density from 0.940 g/cc to 0.980 g/cc; and (B) skin layers on opposite sides of the core layer. Each skin layer includes (i) a propylene/ethylene copolymer with from greater than 0 wt % to 5 wt % units derived from ethylene comonomer; (ii) from 3,000 to 3,500 ppm of a slip agent; and (iii) from 4,000 to 10,000 ppm of an antiblock agent.


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