Stabilizer mixture

A stabilizer mixture comprising

• i. at least one compound selected from compound of formula (A) and compound of formula (B),
• wherein
• E1 is C1-C18 alkyl;
• and
• E2, E3, E4 and E5 independently of one another are hydrogen, C1-C18 alkyl, phenyl or phenyl substituted by 1, 2 or 3 C1-C4 alkyl;
• and
• wherein
• L is ROCOR′COOR, wherein R and R′ independently of one another are C1 to C18 alkylidene
• E6, E7, E8, E9, E10, E11, E12, and E13 independently of one another are hydrogen, C1-C18 alkyl, phenyl or phenyl substituted by 1, 2 or 3 C1-C4 alkyl;
• and
• ii. at least one antioxidant compound,
• wherein the weight ratio of at least one compound of formula (A) and/or the compound of formula (B) to at least one antioxidant is in the range of 1:2 to 1:20.