2,2,6,6 Diethyl-dimethyl-1-alkoxy-piperidine compounds and their corresponding 1-oxides
申请人:Nesvadba Peter
公开号:US20050143539A1
公开(公告)日:2005-06-30
The present invention relates to selected 1-alkoxy-2,2 diethyl-6,6 dimethyl piperidine and 1-alkoxy-2,6 diethyl-2,3,6 trimethyl piperidine derivatives which are substituted in the 4 position by an oxygen or nitrogen atom; a polymerizable composition comprising a) at least one ethylenically unsaturated monomer and b) said piperidine derivatives. Further aspects of the present invention are a process for polymerizing ethylenically unsaturated monomers, and the use of 1-alkoxy-2,2 diethyl-6,6 dimethyl piperidine and 1-alkoxy-2,6 diethyl-2,6 dimethyl piperidine derivatives which are substituted in the 4 position by an oxygen or nitrogen atom for controlled polymerization. The intermediate N-oxyl derivatives, a composition of the N-oxyl derivatives with ethylenically unsaturated monomers and a free radical initiator, as well as a process for polymerization are also subjects of the present invention.
本发明涉及选定的1-烷氧基-2,2-二乙基-6,6-二甲基哌啶和1-烷氧基-2,6-二乙基-2,3,6-三甲基哌啶衍生物,它们在4位被氧原子或氮原子取代;一种聚合组合物,包括a)至少一种乙烯基不饱和单体和b)所述哌啶衍生物。本发明的其他方面包括聚合乙烯基不饱和单体的过程,以及使用在4位被氧原子或氮原子取代的1-烷氧基-2,2-二乙基-6,6-二甲基哌啶和1-烷氧基-2,6-二乙基-2,6-二甲基哌啶衍生物进行控制聚合的方法。中间体N-氧化物衍生物,N-氧化物衍生物与乙烯基不饱和单体和自由基引发剂的组合物,以及聚合的过程也是本发明的主题。