申请人:Consortium fur Elecktrochemische Industrie GmbH
公开号:US06531620B2
公开(公告)日:2003-03-11
The invention relates to cyclic silazanes of the formula II
in which
R is a divalent, Si—C and C—N-bound, optionally cyano- or halogen-substituted C3-C15-hydrocarbon radical, in which one or more, non-adjacent methylene units may be replaced by —O—, —CO—, —COO—, —OCO—, —OCOO—, —S— or —NRX— 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,
RX is hydrogen or an optionally halogen-substituted C1-C10-hydrocarbon radical, and R2 is a hydrogen atom or a monovalent, optionally cyano- or halogen-substituted, Si-C- bound C1-C20-hydrocarbon radical or C1-C20-hydrocarbonoxy radical, in each of which one or more non-adjacent methylene units may be replaced by —O—, —CO—, —COO—, —OCO—, —OCOO—, —S— or —NRX— groups and in which one or more non-adjacent methine units may be replaced by —N═, —N═N— or —P═ groups.
本发明涉及公式II的环状硅氮烷,其中R是二价的、Si-C和C-N键合的、可选地氰基或卤素取代的C3-C15烃基,其中一个或多个非邻接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非邻接的甲烷单元可以被—N═,—N═N—或—P═基团所取代,在硅原子和环中的氮原子之间至少有3个至多6个原子。RX是氢或可选的卤素取代的C1-C10烃基,R2是氢原子或单价的、可选地氰基或卤素取代的、Si-C键合的C1-C20烃基或C1-C20烃氧基,其中一个或多个非邻接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非邻接的甲烷单元可以被—N═,—N═N—或—P═基团所取代。