US 11,865,819 B2
Plastic barrier laminate with an at least partially crystallized layer and with a pigmented layer
Mayara Souza, Parnamirim-RN (BR)
Assigned to Huhtamaki Flexible Packaging Germany Gmbh & Co. KG, Ronsberg (DE)
Filed by Huhtamaki Flexible Packaging Germany GmbH & Co. KG, Ronsberg (DE)
Filed on Sep. 20, 2022, as Appl. No. 17/948,321.
Claims priority of application No. 21206820 (EP), filed on Nov. 6, 2021; and application No. 21211811 (EP), filed on Dec. 1, 2021.
Prior Publication US 2023/0141182 A1, May 11, 2023
Int. Cl. B32B 27/08 (2006.01); B32B 1/08 (2006.01); B32B 27/20 (2006.01); B32B 27/32 (2006.01)
CPC B32B 27/08 (2013.01) [B32B 1/08 (2013.01); B32B 27/20 (2013.01); B32B 27/32 (2013.01); B32B 2250/242 (2013.01); B32B 2264/201 (2020.08); B32B 2270/00 (2013.01); B32B 2307/4026 (2013.01); B32B 2307/7244 (2013.01); B32B 2439/40 (2013.01); B32B 2597/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A plastic barrier laminate comprising at least one at least partially crystallized layer containing polyethylene and a nucleating agent, and at least one pigmented layer containing polyethylene and a portion of flake-shaped pigments, wherein the portion of pigments is in the range from 3.0% by weight to 8.0% by weight relative to the weight of the at least one pigmented layer, wherein at least 50% of the polyethylene content of the at least one partially crystallized polyethylene layer are crystallized.