申请人:BASF SE
公开号:WO2020126752A1
公开(公告)日:2020-06-25
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-l-2), (A-l-3), (A-lll-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-trimethyl benzene, 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.