申请人:——
公开号:US20030149211A1
公开(公告)日:2003-08-07
The present invention relates to a process for the free radical initiated polymerization of unsaturated species characterized by the use of compound of Formula (I) as chain transfer agents, wherein X is selected from hydrogen; CN; optionally substituted aryl; COOH; COOR; C(O)NHR
6
; C(O)NR
7
R
8
; and halogen; Q is selected from COOR
1
; CN; and C(O)NR
7
R
8
; Y is selected from hydrogen; C
1
to C
6
alkyl; C
1
to C
6
alkyl substituted with one or more substituents selected from hydroxy, amino, C
1
to C
6
alkoxy, C
1
to C
6
alkoxycarbonyl, halogen, CN and optionally substituted aryl; C
1
to C
6
alkenyl; and C
1
to C
6
alkynyl; Z is selected from COOR
2
; CN; and optionally substituted aryl; R
3
and R
4
may be the same or different and are selected from hydrogen, C
1
to C
4
alkyl and halogen; or R
3
and R
4
together with the carbon atom to which they are attached form part of a carbocyclic or heterocyclic ring structure; R is selected from C
1
to C
18
alkyl; C
1
to C
12
alkyl substituted with one or more substituents selected from hydroxy, amino, C
1
to C
6
alkoxy, phenyl, halogen, NCO, CN, and COOR
5
; R
1
and R
2
may be the same or different and are selected from C
1
to C
18
alkyl; C
1
to C
12
alkyl substituted with one or more substituents selected from hydroxy, C
1
to C
6
acyloxy, C
1
to C
6
alkoxy, amino, halogen, Si(R
9
)
3
, Si(OR
9
)
3
, optionally substituted aryl, CN and NCO; R
5
is selected from hydrogen and C
1
to C
6
alkyl; R
6
is selected from hydrogen and C
1
to C
18
alkyl; R
7
and R
8
may be the same or different and are selected from C
1
to C
18
alkyl; and R
9
is selected from C
1
to C
18
alkyl; C
1
to C
18
cycloalkyl; and optionally substituted aryl.
本发明涉及一种自由基引发的不饱和物种聚合工艺,其特征在于使用式 (I) 化合物作为链转移剂,其中 X 选自氢;CN;任选取代的芳基;COOH;COOR;C(O)NHR
6
;C(O)NR
7
R
8
和卤素;Q 选自 COOR
1
CN;和 C(O)NR
7
R
8
Y 选自氢
1
至 C
6
烷基
1
至 C
6
被一个或多个取代基取代的烷基,取代基选自羟基、氨基、C
1
至 C
6
烷氧基、C
1
至 C
6
烷氧基羰基、卤素、CN 和任选取代的芳基; C
1
至 C
6
烯基;以及 C
1
至 C
6
炔基;Z 选自 COOR
2
CN;和任选取代的芳基;R
3
和 R
4
可以相同或不同,选自氢、C
1
至 C
4
烷基和卤素;或 R
3
和 R
4
与它们所连接的碳原子一起构成碳环或杂环结构的一部分;R 选自 C
1
至 C
18
烷基
1
至 C
12
被一个或多个取代基取代的烷基,取代基选自羟基、氨基、C
1
至 C
6
烷氧基、苯基、卤素、NCO、CN 和 COOR
5
; R
1
和 R
2
可以相同或不同,并且选自 C
1
至 C
18
烷基
1
至 C
12
被一个或多个取代基取代的烷基,这些取代基选自羟基、C
1
至 C
6
酰氧基、C
1
至 C
6
烷氧基、氨基、卤素、Si(R
9
)
3
Si(OR
9
)
3
、任选取代的芳基、CN 和 NCO; R
5
选自氢和 C
1
至 C
6
烷基;R
6
选自氢和 C
1
至 C
18
烷基;R
7
和 R
8
可以相同或不同,选自 C
1
至 C
18
烷基;以及 R
9
选自 C
1
至 C
18
烷基
1
至 C
18
环烷基;以及任选取代的芳基。