	US 12,435,252 B2
	Adhesive polyethylene composition
Katja Klimke, Linz (AT); John Jamieson, Porvoo (FI); Jari-Jussi Ruskeeniemi, Kulloo (FI); Floran Prades, Linz (AT); Noureddine Ajellal, Kulloo (FI); Tua Sundholm, Porvoo (FI); Jouni Purmonen, Kulloo (FI); Angelica Legras, Linz (AT); and Andreas Albrecht, Linz (AT)
Assigned to BOREALIS AG, Vienna (AT)
Appl. No. 18/005,020
Filed by BOREALIS AG, Vienna (AT)
PCT Filed Jul. 8, 2021, PCT No. PCT/EP2021/068983 § 371(c)(1), (2) Date Jan. 10, 2023, PCT Pub. No. WO2022/013054, PCT Pub. Date Jan. 20, 2022.
Claims priority of application No. 20185451 (EP), filed on Jul. 13, 2020.
Prior Publication US 2023/0250320 A1, Aug. 10, 2023
Int. Cl. C09J 123/08 (2006.01); B32B 1/08 (2006.01); B32B 7/12 (2006.01); B32B 15/085 (2006.01); B32B 27/32 (2006.01); C08F 210/16 (2006.01); C09J 123/26 (2006.01); F16L 9/147 (2006.01); B32B 15/18 (2006.01)

CPC C09J 123/0869 (2013.01) [B32B 1/08 (2013.01); B32B 7/12 (2013.01); B32B 15/085 (2013.01); B32B 27/32 (2013.01); C08F 210/16 (2013.01); C09J 123/0815 (2013.01); C09J 123/26 (2013.01); F16L 9/147 (2013.01); B32B 15/18 (2013.01); B32B 2255/06 (2013.01); B32B 2255/26 (2013.01); B32B 2270/00 (2013.01); B32B 2307/748 (2013.01); B32B 2597/00 (2013.01)]

14 Claims

1. An adhesive polyethylene composition comprising

(A) from 60 to 90 wt % of a non-elastomeric polyethylene;

(B) from 9.0 to 38 wt % of an ethylene based elastomer being a copolymer of ethylene and alpha-olefin comonomer units having from 4 to 12 carbon atoms, which has a density in the range of from 840 to 900 kg/m³;

wherein onto components (A) and (B) an acid grafting agent (C) has been grafted in an amount of from 0.01 to 3.0 wt %, all based on the total weight of the adhesive polyethylene composition.