申请人:Consortium fur elektrochemische Industrie GmbH
公开号:US20020042491A1
公开(公告)日:2002-04-11
The invention relates to cyclic silazanes of the general formula II
1
in which
R is a divalent, Si-C and Si-N-bound, optionally cyano- or halogen-substituted C
3
-C
15
-hydrocarbon radical, in which one or more, non-adjacent methylene units may be replaced by -O-, -CO-, -COO-, -OCO-, -OCOO-, -S- or -NR
x
- groups and in which one or more non-adjacent methine units may be replaced by -N=, -N=N- or -P= groups, where at least 3 and at most 6 atoms are arranged between the silicon atom and the nitrogen atom of the ring,
R
x
is hydrogen or an optionally halogen-substituted C
1
-C
10
-hydrocarbon radical, and
R
2
is a hydrogen atom or a monovalent, optionally cyano- or halogen-substituted, Si-C-bound C
1
-C
20
-hydrocarbon radical or C
1
-C
20
-hydrocarbonoxy radical, in each of which one or more non-adjacent methylene units may be replaced by -O-, -CO-, -COO-, -OCO-, -OCOO-, -S- or -NR
x
- groups and in which one or more non-adjacent methine units may be replaced by -N=, -N=N- or -P=groups.
本发明涉及一般式II1的环状硅氮烷,其中R是一个二价的,Si-C和Si-N键合的,可选择氰基或卤素取代的C3-C15烃基,其中一个或多个不相邻的亚甲基单元可以被-O-,-CO-,-COO-,-OCO-,-OCOO-,-S-或-NRx-基团所取代,并且其中一个或多个不相邻的亚甲基单元可以被-N=,-N=N-或-P=基团所取代,在硅原子和环的氮原子之间至少有3个至多6个原子排列,Rx是氢或一个可选的卤素取代的C1-C10烃基,R2是氢原子或一个单价的,可选择氰基或卤素取代的Si-C键合的C1-C20烃基或C1-C20烃氧基,其中一个或多个不相邻的亚甲基单元可以被-O-,-CO-,-COO-,-OCO-,-OCOO-,-S-或-NRx-基团所取代,并且其中一个或多个不相邻的亚甲基单元可以被-N=,-N=N-或-P=基团所取代。