申请人:——
公开号:US20030073835A1
公开(公告)日:2003-04-17
A compound of the formula (IA) or (IB)
1
wherein
G
1
, G
2
, G
3
and G
4
are independently of one another C
1
-C
18
alkyl or C
5
-C
12
cycloalkyl or the radicals G
1
and G
2
and the radicals G
3
and G
4
form independently of one another, together with the carbon atom they are attached to, C
5
-C
12
cycloalkyl;
R is hydrogen C
1
-C
18
alkyl, C
1
-C
18
hydroxyalkyl, C
2
-C
18
alkenyl, C
5
-C
12
cycloalkyl, C
7
-C
12
phenylalkyl unsubstituted or substituted on the phenyl radical by C
1
-C
4
alkyl and/or C
1
-C
4
alkoxy; or C
1
-C
18
alkanoyl;
R* is hydrogen, C
1
-C
18
alkyl, oxyl, —OH, —CH
2
CN, C
3
-C
6
alkenyl, C
3
-C
8
alkynyl, C
7
-C
12
phenylalkyl unsubstituted or substituted on the phenyl radical by C
1
-C
4
alkyl and/or C
1
-C
4
alkoxy; C
1
-C
8
acyl, C
1
-C
18
alkoxy, C
1
-C
18
hydroxyalkoxy, C
2
-C
18
alkenyloxy, C
5
-C
12
cycloalkoxy, C
7
-C
12
phenylalkoxy unsubstituted or substituted on the phenyl radical by C
1
-C
4
alkyl and/or C
1
-C
4
alkoxy; C
1
-C
18
alkanoyloxy, (C
1
-C
18
alkoxy)carbonyl, glycidyl or a group —CH
2
CH(OH)(G) with G being hydrogen, methyl or phenyl;
n is 1, 2, 3 or
4;
n* is 1, 2 or 3;
X is an organic radical of a valency equal to n; and
X* is a triazinic radical with a valency equal to n*;
with the proviso that when n is 1, R is methyl, ethyl, propyl, C
1
-C
18
hydroxyalkyl, C
2
-C
18
alkenyl, C
5
-C
12
cycloalkyl or C
1
-C
18
alkanoyl.
The compounds described above are useful for stabilizing an organic material against degradation induced by light, heat or oxidation.
式(IA)或(IB)的化合物
其中
G
1
,G
2
,G
3
和G
4
分别独立地为C
1
-C
18
烷基或C
5
-C
12
环烷基,或基团G
1
和G
2
以及基团G
3
和G
4
独立地形成,与它们连接的碳原子一起,为C
5
-C
12
环烷基;
R为氢C
1
-C
18
烷基,C
1
-C
18
羟基烷基,C
2
-C
18
烯基,C
5
-C
12
环烷基,C
7
-C
12
苯基烷基未取代或通过C
1
-C
4
烷基和/或C
1
-C
4
烷氧基取代苯基上的苯基基团;或C
1
-C
18
酰基;
R*为氢,C
1
-C
18
烷基,氧基,—OH,—CH
2
CN,C
3
-C
6
烯基,C
3
-C
8
炔基,C
7
-C
12
苯基烷基未取代或通过C
1
-C
4
烷基和/或C
1
-C
4
烷氧基取代苯基上的苯基基团;C
1
-C
8
酰基,C
1
-C
18
烷氧基,C
1
-C
18
羟基烷氧基,C
2
-C
18
烯氧基,C
5
-C
12
环烷氧基,C
7
-C
12
苯基烷氧基未取代或通过C
1
-C
4
烷基和/或C
1
-C
4
烷氧基取代苯基上的苯基基团;C
1
-C
18
酰氧基,(C
1
-C
18
烷氧基)羰基,环氧乙烷或一个基团—CH
2
CH(OH)(G),其中G为氢,甲基或苯基;
n为1、2、3或
4;
n*为1、2或3;
X为价数等于n的有机基团;和
X*为价数等于n*的三嗪基团;
但是当n为1时,R为甲基、乙基、丙基、C
1
-C
18
羟基烷基、C
2
-C
18
烯基、C
5
-C
12
环烷基或C
1
-C
18
酰基。
上述描述的化合物对于稳定有机材料抵抗光、热或氧化引起的降解是有用的。