	US 12,269,938 B2
	Polyethylene or polypropylene articles
Tania Weyland, Kaisten (CH); Heinz Herbst, Kaisten (CH); and Marie Laure Bertet, Levallois-Perret (FR)
Assigned to BASF SE, Ludwigshafen Am Rhein (DE)
Appl. No. 17/299,216
Filed by BASF SE, Ludwigshafen am Rhein (DE)
PCT Filed Nov. 22, 2019, PCT No. PCT/EP2019/082327 § 371(c)(1), (2) Date Jun. 2, 2021, PCT Pub. No. WO2020/114810, PCT Pub. Date Jun. 11, 2020.
Claims priority of application No. 18210178 (EP), filed on Dec. 4, 2018; and application No. 19154158 (EP), filed on Jan. 29, 2019.
Prior Publication US 2022/0041846 A1, Feb. 10, 2022
Int. Cl. C08L 23/06 (2006.01); C08K 3/22 (2006.01); C08K 3/26 (2006.01); C08K 5/3492 (2006.01); F16L 9/12 (2006.01)

CPC C08L 23/06 (2013.01) [C08K 3/22 (2013.01); C08K 3/26 (2013.01); C08K 5/3492 (2013.01); F16L 9/12 (2013.01); C08K 2003/2224 (2013.01); C08K 2003/267 (2013.01); C08K 2201/005 (2013.01); C08L 2201/08 (2013.01); C08L 2203/18 (2013.01)]

7 Claims

1. An article in the form of a pipe, cable or geomembrane comprising polyethylene and components A), B), C), D), and E),

wherein:

component A) is a compound of formula (A-I-1):

with a₁being 2 to 10,

component B) is magnesium hydroxide which is present in an amount of 0.05% to 0.3% by weight relative to the weight of the polyethylene, wherein the magnesium hydroxide is natural or synthetic, and wherein the magnesium hydroxide is not surface treated,

component C) is 1,3,5-tris(3,5-di-tert-butyl-4-hydroxybenzyl)-2,4,6-trimethylbenzene,

component D) is tris[2,4-di-tert-butylphenyl]phosphite,

component E) is a hydrotalcite, and

a weight ratio of component A) to component B) is 0.7:1 to 2:1,

with the proviso that component B) is not a hydrotalcite.