abstract |
The present invention relates to oxygen-substituted sterically hindered amines of the formulae I or II: (II), wherein, for example, F 2 , R 3 , R 5 , R 6 , R 8 , R 9 , R 11 , R 12 , R 13 , R 14 are n-butyl: Z 1 to Z 10 are propoxy and R 1 , R 4 , R 7 , R 10 , R 13 are 2,2,6,6-tetramethyl-1-propoxy-piperidin-4-yl. Compositions comprising compounds of formulae I or II and an organic material, which is susceptible to oxidative, thermal or light-induced degradation, are further disclosed. Optionally, further additives are contained. |