公开(公告)号：US12209174B2

公开(公告)日：2025-01-28

申请号：US17415572

申请日：2019-12-11

Applicant: BASF SE

Inventor： Tania Weyland ,  Marie Laure Bertet ,  Heinz Herbst

IPC: C08F10/10 ,  C08F10/06 ,  C08K3/26 ,  C08K5/3492 ,  C08K5/526 ,  F16L9/12

Abstract: A polypropylene composition comprising components A), B) and C), wherein component A) is a hindered amine light stabilizer selected from the group consisting of the compounds of formulae (A-I-1), (A-I-2), (A-I-3), (A-III-1) and (A-IV-1) as defined for the present invention, component B) is a natural or synthetic hydrotalcite, component C) is a phenolic antioxidant selected from the group consisting of 1,3,5-tris(3,5-di-tert-butyl-4-hydroxybenzyl)-2,4,6-trimethylbenzene, ethylene bis[3,3-bis(3-tert-butyl-4-hydroxyphenyl)butyrate], 1,3,5-tris(3,5-di-tert-butyl-4-hydroxybenzyl)-isocyanurate and 6-[3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propoxy]-2,4,8,10-tetra-tert-butyldibenzo[d,f][1,3,2]dioxaphosphepin, and wherein the weight ratio of component A) to component B) is 1:10 to 10:1.

公开(公告)号：US12269938B2

公开(公告)日：2025-04-08

申请号：US17299216

申请日：2019-11-22

Applicant: BASF SE

Inventor： Tania Weyland ,  Heinz Herbst ,  Marie Laure Bertet

IPC: C08L23/06 ,  C08K3/22 ,  C08K3/26 ,  C08K5/3492 ,  F16L9/12

Abstract: An article in the form of a pipe, cable or geomembrane comprising polyethylene or polypropylene, and components A) and B), wherein component A) is a hindered amine light stabilizer containing a triazine residue, component B) is magnesium hydroxide which is present in an amount of 0.01% to 5% by weight relative to the weight of the polyethylene or polypropylene, and the weight ratio of component A) to component B) is 1:50 to 50:1, with the proviso that component B) is not a hydrotalcite.