US 12,285,931 B2
Films and sheets having microlayers and nanolayers including recycled content
Michael Ponting, Broadview Heights, OH (US); Wendy Hoenig, Spring, TX (US); and Stephen Mark Hoenig, Spring, TX (US)
Assigned to Peak Nano Films, LLC, Valley View, OH (US)
Filed by Peak Nano Films, LLC, Valley View, OH (US)
Filed on Mar. 26, 2024, as Appl. No. 18/617,093.
Application 18/617,093 is a continuation of application No. 17/591,318, filed on Feb. 2, 2022, granted, now 11,945,196.
Application 17/591,318 is a continuation in part of application No. 17/552,335, filed on Dec. 15, 2021, abandoned.
Claims priority of provisional application 63/227,085, filed on Jul. 29, 2021.
Prior Publication US 2024/0262089 A1, Aug. 8, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. B32B 27/08 (2006.01); B29C 48/00 (2019.01); B29C 48/08 (2019.01); B29C 48/21 (2019.01); B32B 27/32 (2006.01); B29K 23/00 (2006.01); B29K 105/26 (2006.01); B29L 31/48 (2006.01)
CPC B32B 27/08 (2013.01) [B29C 48/022 (2019.02); B32B 27/32 (2013.01); B29C 48/08 (2019.02); B29C 48/21 (2019.02); B29K 2023/06 (2013.01); B29K 2023/12 (2013.01); B29K 2105/26 (2013.01); B29L 2031/4878 (2013.01); B32B 2250/246 (2013.01); B32B 2250/42 (2013.01); B32B 2270/00 (2013.01); B32B 2272/00 (2013.01); B32B 2307/54 (2013.01); B32B 2307/732 (2013.01); B32B 2439/70 (2013.01); B32B 2535/00 (2013.01); B32B 2555/02 (2013.01); B32B 2605/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A film, comprising:
a coextruded plurality of layers, including at least one A layer and a plurality of B layers;
wherein the at least one A layer comprises virgin polymer;
wherein the virgin polymer is virgin low-density polyethylene or virgin polypropylene;
wherein the plurality of B layers comprise recycled polymer;
wherein the recycled polymer is recycled low-density polyethylene or recycled polypropylene;
wherein the recycled polymer includes post-consumer recycled material;
wherein the plurality of layers includes at least 32 layers;
wherein each of the plurality of layers has a thickness between about 100 nm and about 3 microns;
wherein the film has a total thickness of between approximately 25 microns and 100 microns; and wherein the film is formed by a flat casting process.