申请人:CIBA-GEIGY AG
公开号:EP0569328A1
公开(公告)日:1993-11-10
There are disclosed compositions comprising a) an organic material which is susceptible to oxidative, thermal and/or light-induced degradation, and b) at least one compound of formula I or/and II
wherein Q is a direct bond or -CR₁R₂- wherein each R₁ and R₂ independently represents hydrogen, straight chain alkyl of 1 to 18 carbon atoms, branched chain alkyl of 1 to 12 carbon atoms, phenyl, tolyl or anisyl;
each Y₁, Y₂, Y₃, Y₄, Z₂, Z₃, Z₄ and Z₅ independently represents hydrogen, a straight or branched chain alkyl of 1 to 18 carbon atoms, bicycloalkyl of 7 to 10 carbon atoms, phenyl, benzyl, 1-phenylethyl, cyclohexyl, 1-methylcyclohexyl, cyano, halogen, nitro, trifluoromethyl, hydroxy, amino, alkanoyl of 2 to 18 carbon atoms, alkoxy of 1 to 18 carbon atoms or E₁E₂E₃Si- where E₁, E₂ and E₃ are independently hydrogen, alkyl of 1 to 4 carbon atoms or phenyl;
each Z independently represents alkyl of 1 to 18 carbon atoms, phenyl or said phenyl mono- or di-substituted by alkyl of 1 to 8 carbon atoms or 1-phenylethyl; or by cyano, halogen, nitro, trifluoromethyl, hydroxy, amino, alkanoyl of 2 to 18 carbon atoms, alkoxy of 1 to 18 carbon atoms or E₁E₂E₃Si- where E₁, E₂ and E₃ are independently hydrogen, alkyl of 1 to 4 carbon atoms or phenyl; and
Z₆ and Z₇ are independently hydrogen, a straight or branched chain alkyl of 1 to 18 carbon atoms, phenyl, said phenyl substituted by alkyl of 1 to 8 carbon atoms; or are independently benzyl, 1-phenylethyl, cyclohexyl, 1-methylcyclohexyl, cyano, halogen, -NR₃R₄ or -SR₅ where R₃, R₄ and R₅ are independently hydrogen, a straight or branched chain alkyl of 1 to 18 carbon atoms, phenyl, benzyl, cyclohexyl or 1-methylcyclohexyl.
所公开的组合物包含 a) 易受氧化、热和/或光诱导降解的有机材料,和 b) 至少一种式 I 或/和 II 的化合物
其中 Q 是直接键或 -CR₁R₂- 其中每个 R₁ 和 R₂ 独立地代表氢、1 至 18 个碳原子的直链烷基、1 至 12 个碳原子的支链烷基、苯基、甲苯基或苯甲醚基;
Y₁、Y₂、Y₃、Y₄、Z₂、Z₃、Z₄ 和 Z₅ 各自独立地代表氢、1 至 18 个碳原子的直链或支链烷基、7 至 10 个碳原子的双环烷基、苯基、苄基、1-苯基乙基、环己基、1-甲基环己基、氰基、卤素、硝基、三氟甲基、羟基、氨基、2 至 18 个碳原子的烷酰基、1 至 18 个碳原子的烷氧基或 E₁E₂E₃Si- 其中 E₁、E₂ 和 E₃ 独立为氢、1 至 4 个碳原子的烷基或苯基;
每个 Z 独立地代表 1 至 18 个碳原子的烷基、苯基或由 1 至 8 个碳原子的烷基或 1-苯基乙基单取代或二取代的苯基;或氰基、卤素、硝基、三氟甲基、羟基、氨基、2 至 18 个碳原子的烷酰基、1 至 18 个碳原子的烷氧基或 E₁E₂E₃Si-,其中 E₁、E₂和 E₃ 独立为氢、1 至 4 个碳原子的烷基或苯基;以及
Z₆ 和 Z₇ 独立地为氢、1 至 18 个碳原子的直链或支链烷基、苯基,所述苯基被 1 至 8 个碳原子的烷基取代;或独立为苄基、1-苯基乙基、环己基、1-甲基环己基、氰基、卤素、-NR₃R₄或-SR₅,其中 R₃、R₄和 R₅ 独立为氢、1-18 个碳原子的直链或支链烷基、苯基、苄基、环己基或 1-甲基环己基。