| abstract |
The present invention comprises the following components: (a) an organic material which is susceptible to degradation induced by oxidation, heat or light, the organic material being a polyether polyol, polyester polyol or polyurethane, (b) formula (I) ) Bisphenol stabilizer [wherein n is 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11] and (c) a chromanol stabilizer of formula (II) Wherein R 1 and R 2 are, independently of one another, H or C 1 alkyl]. The preparation method of the above composition, the use of an additive mixture containing components (b) and (c) to stabilize component (a) and the additive mixture itself are described. |