申请人:Clariant GmbH
公开号:US20030013614A1
公开(公告)日:2003-01-16
The invention relates to the use of compounds of the formula (1)
1
in which
R
1
is C
1
- to C
24
-alkyl, C
2
- to C
24
-alkenyl or a C
6
- to C
18
-aryl radical which may be substituted by a C
1
- to C
12
-alkyl group,
R
2
, R
3
independently of one another, are hydrogen, C
1
- to C
18
-alkyl, or C
5
- to C
7
-cycloalkyl, or R
2
and R
3
, including the nitrogen atom to which they are bonded, form a ring of 4 to 8 ring atoms, in which oxygen or nitrogen atoms may also be present in addition to carbon,
A are identical or different C
2
- to C
4
-alkylene radicals,
B is C
1
- to C
7
-alkylene, and
n is an integer from 1-40,
as gas hydrate inhibitors.
本发明涉及式(1)化合物的用途
1
其中
R
1
是 C
1
- 至 C
24
-烷基、C
2
- 至 C
24
-烯基或 C
6
- 至 C
18
-芳基,可被 C
1
- 至 C
12
-烷基取代、
R
2
, R
3
分别为氢、C
1
- 至 C
18
-烷基,或 C
5
- 至 C
7
-环烷基,或 R
2
和 R
3
包括与之结合的氮原子,形成一个由 4 至 8 个环原子组成的环,其中除了碳原子外,还可能存在氧原子或氮原子、
A 是相同或不同的 C
2
- 至 C
4
-烯基、
B 是 C
1
- 至 C
7
-烷基,以及
n 是 1-40 之间的整数、
作为气体水合物抑制剂。