US 11,712,878 B2
Co-extruded, biaxially oriented, matte HDPE films
Benoît Ambroise, Nobressart (BE); Alain Marchall, Villers-le-Rond (FR); Robert M Sheppard, Peachtree City, GA (US); Christophe Guillaume, Namur (BE); and Detlef Hütt, Heusweiler (DE)
Assigned to Jindal Films Americas LLC, LaGrange, GA (US)
Filed by Jindal Films Americas LLC, LaGrange, GA (US)
Filed on Mar. 31, 2021, as Appl. No. 17/219,736.
Application 17/219,736 is a continuation of application No. PCT/US2020/038376, filed on Jun. 18, 2020.
Claims priority of provisional application 62/908,628, filed on Oct. 1, 2019.
Claims priority of provisional application 62/865,558, filed on Jun. 24, 2019.
Claims priority of provisional application 62/865,570, filed on Jun. 24, 2019.
Claims priority of provisional application 62/863,938, filed on Jun. 20, 2019.
Prior Publication US 2021/0213719 A1, Jul. 15, 2021
Int. Cl. B32B 27/32 (2006.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/16 (2006.01); B32B 27/18 (2006.01); B32B 27/20 (2006.01); B32B 27/36 (2006.01); B29C 48/08 (2019.01); B29C 48/21 (2019.01); B65D 65/40 (2006.01); B29C 48/00 (2019.01); B29C 55/14 (2006.01); B29K 23/00 (2006.01); B29K 105/00 (2006.01)
CPC B32B 27/32 (2013.01) [B29C 48/0018 (2019.02); B29C 48/08 (2019.02); B29C 48/21 (2019.02); B29C 55/143 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/16 (2013.01); B32B 27/18 (2013.01); B32B 27/20 (2013.01); B32B 27/327 (2013.01); B65D 65/40 (2013.01); B29K 2023/065 (2013.01); B29K 2023/0633 (2013.01); B29K 2023/12 (2013.01); B29K 2105/0008 (2013.01); B32B 2250/03 (2013.01); B32B 2250/05 (2013.01); B32B 2250/24 (2013.01); B32B 2250/242 (2013.01); B32B 2255/10 (2013.01); B32B 2255/20 (2013.01); B32B 2255/205 (2013.01); B32B 2255/26 (2013.01); B32B 2270/00 (2013.01); B32B 2307/30 (2013.01); B32B 2307/516 (2013.01); B32B 2307/518 (2013.01); B32B 2307/72 (2013.01); B32B 2307/7244 (2013.01); B32B 2307/7246 (2013.01); B32B 2307/732 (2013.01); B32B 2439/40 (2013.01); B32B 2439/46 (2013.01); B32B 2439/70 (2013.01); B32B 2553/00 (2013.01)] 23 Claims
 
1. A multilayer film comprising:
a core layer comprising at least 50 wt. % of high-density polyethylene;
a first skin layer comprising either (a) 20 wt. % or less of hydrocarbon resin and at least 80 wt. % of high-density polyethylene or (b) 20 wt. % or less of linear, low-density polyethylene and at least 80 wt. % of high-density polyethylene; and
a second skin layer comprising either: (i) one or more low-density polyethylenes; or (ii) one or more polypropylene-based copolymers,
wherein the multilayer film is biaxially oriented.