申请人:Ciba Specialty Chemicals Holding Inc.
公开号:EP0816346A1
公开(公告)日:1998-01-07
A description is given of compounds of the formula I
where r is 0 or 1 and y is a number from the range 1-3;
X is a direct bond or -NR8-, -CO-, -CONH- or -COO- or a divalent aliphatic or mixed aromatic-aliphatic C1-C18 hydrocarbon radical;
Z is an aromatic, aliphatic or mixed aromatic-aliphatic C3-C18 hydrocarbon radical which is interrupted in the aliphatic moiety by one or more divalent functional groups, in each case in a carbon-carbon single bond, and/or in the aromatic or aliphatic moiety by one or more divalent functional groups, in each case in a carbon-hydrogen bond, possible functional groups being -O-, -NR8-, -S-, -SO-, -SO2-, -CONH-, -CO- or -COO-;
R is a mono-, di- or trivalent radical of a sterically hindered amine or of a UV absorber from the class of the 2-hydroxyphenylbenzotriazoles, 2-hydroxyphenylbenzophenones, oxalanilides or 2-hydroxyphenyl-4,6-diaryltriazines or a di- or trivalent radical of a sterically hindered phenol;
R1 and R2, independently of one another, are H or C1-C12alkyl;
R3 and R4, independently of one another, are H, C1-C18alkyl or -X-(Z)r-R5 ;
R5 is a monovalent radical of a sterically hindered amine or of a UV absorber from the class of the 2-hydroxyphenylbenzotriazoles, 2-hydroxyphenylbenzophenones, oxalanilides or 2-hydroxyphenyl-4,6-diaryltriazines or a radical of a sterically hindered phenol; and
R8 is H, C1-C18alkyl, C7-C11phenylalkyl, C2-C6alkoxyalkyl or C5-C12cycloalkyl. Compounds of the formula I can be employed with advantage for stabilizing organic material against the damaging effect of light, oxygen and/or heat.
对式 I 的化合物进行了描述
其中 r 为 0 或 1,y 为 1-3 范围内的数字;
X 是直接键或 -NR8-、-CO-、-CONH- 或 -COO- 或二价脂肪族或混合芳香-脂肪族 C1-C18 烃基;
Z 是芳香族、脂肪族或混合芳香族-脂肪族 C3-C18 烃基,其脂肪族部分被一个或多个二价官能团(在每种情况下均为碳-碳单键)和/或芳香族或脂肪族部分被一个或多个二价官能团(在每种情况下均为碳-氢键)打断,可能的官能团为-O-、-NR8-、-S-、-SO-、-SO2-、-CONH-、-CO-或-COO-;
R 是立体受阻胺或 2-羟基苯基苯并三唑、2-羟基苯基苯甲酮、草酰苯胺或 2-羟基苯基-4,6-二芳基三嗪类紫外线吸收剂的一价、二价或三价基团,或立体受阻酚的二价或三价基团;
R1 和 R2 相互独立地为 H 或 C1-C12 烷基;
R3 和 R4 互不相关,分别为 H、C1-C18 烷基或-X-(Z)r-R5;
R5 是立体受阻胺或 2-羟基苯基苯并三唑、2-羟基苯基苯甲酮、草酰苯胺或 2-羟基苯基-4,6-二芳基三嗪类紫外线吸收剂的单价基,或立体受阻酚的基团;以及
R8 是 H、C1-C18 烷基、C7-C11 苯基、C2-C6 烷氧基烷基或 C5-C12 环烷基。式 I 化合物可用于稳定有机材料,使其免受光、氧和/或热的破坏。