US 11,752,739 B2
Printable film
Eric Propst, Terre Haute, IN (US); and Christoph Michel, Terre Haute, IN (US)
Assigned to Taghleef Industries Inc., Newark, DE (US)
Appl. No. 17/414,769
Filed by Taghleef Industries Inc., Newark, DE (US)
PCT Filed Dec. 16, 2019, PCT No. PCT/US2019/066564
§ 371(c)(1), (2) Date Jun. 16, 2021,
PCT Pub. No. WO2020/131709, PCT Pub. Date Jun. 25, 2020.
Claims priority of provisional application 62/780,515, filed on Dec. 17, 2018.
Prior Publication US 2022/0063251 A1, Mar. 3, 2022
Int. Cl. B32B 27/06 (2006.01); B32B 5/18 (2006.01); B32B 27/16 (2006.01); B32B 27/20 (2006.01); B32B 27/32 (2006.01); B32B 38/00 (2006.01); B41M 5/50 (2006.01); C08J 3/22 (2006.01); C08J 5/18 (2006.01); B29C 48/08 (2019.01); B29C 48/21 (2019.01); B29C 48/00 (2019.01); B29C 55/12 (2006.01); B29K 23/00 (2006.01); B29K 105/00 (2006.01); C08K 3/36 (2006.01)
CPC B32B 27/065 (2013.01) [B32B 5/18 (2013.01); B32B 27/16 (2013.01); B32B 27/20 (2013.01); B32B 27/205 (2013.01); B32B 27/32 (2013.01); B32B 38/0008 (2013.01); B32B 38/0036 (2013.01); B41M 5/502 (2013.01); C08J 3/226 (2013.01); C08J 5/18 (2013.01); B29C 48/0018 (2019.02); B29C 48/08 (2019.02); B29C 48/21 (2019.02); B29C 55/12 (2013.01); B29K 2023/08 (2013.01); B29K 2023/12 (2013.01); B29K 2023/14 (2013.01); B29K 2105/0085 (2013.01); B29K 2995/0053 (2013.01); B32B 2038/0028 (2013.01); B32B 2038/0048 (2013.01); B32B 2250/02 (2013.01); B32B 2250/246 (2013.01); B32B 2266/025 (2013.01); B32B 2266/0242 (2013.01); B32B 2266/057 (2016.11); B32B 2266/102 (2016.11); B32B 2266/12 (2016.11); B32B 2270/00 (2013.01); B32B 2305/026 (2013.01); B32B 2307/414 (2013.01); B32B 2307/518 (2013.01); B32B 2307/726 (2013.01); B32B 2307/75 (2013.01); B32B 2310/14 (2013.01); B32B 2323/04 (2013.01); B32B 2323/10 (2013.01); B32B 2333/08 (2013.01); B32B 2519/00 (2013.01); C08J 2323/12 (2013.01); C08J 2323/14 (2013.01); C08J 2423/14 (2013.01); C08J 2433/08 (2013.01); C08K 3/36 (2013.01)] 17 Claims
 
1. A multilayer extruded film comprising
a polymeric base layer, and
at least one exposed layer comprising:
5 to 30 wt. % of an adsorbent silica gel having a pore size greater than 30 angstroms; and
at least one polymer selected from the group consisting of polypropylene, propylene/ethylene copolymer, propylene/ethylene/butene terpolymer, maleated polypropylene and blends thereof,
wherein the film is oriented in at least one direction and the at least one exposed layer while exposed has a water contact angle of at least 100 degrees and a surface tension of at least 35 dynes, and
wherein the at least one exposed layer is at least one printable layer.