PREPARATION OF N,N-(DI)ALKYLAMINOALKYL(METH)ACRYLAMIDE OR N,N-(DI)ALKYLAMINOALKYL (METH)ACRYLATE AND THE QUATERNARY AMMONIUM SALTS THEREOF AS FLOCCULATING AIDS AND GELLING AGENTS
申请人:Evonik Roehm GmbH
公开号:US20170369424A1
公开(公告)日:2017-12-28
N,N-(di)alkylaminoalkyl(meth)acrylamide or N,N-(di)alkylaminoalkyl (meth)acrylate and/or a quaternary ammonium salt thereof are prepared with a low content of a compound of formula (IV)
wherein R
5
in each case is a linear, branched or cyclic alkyl radical, an aryl radical which may also be substituted by one or more alkyl groups, the linear, cyclic or branched alkyl radical may have a length of 1-12 carbon atoms and is, for example, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, tert-butyl, pentyl, hexyl, heptyl, octyl, isooctyl, nonyl, decyl, undecyl, dodecyl.
制备低含量的化合物公式(IV)其中R5在每种情况下都是线性,支链或环烷基,芳基,也可以被一个或多个烷基取代,线性,环状或支链烷基长度可以为1-12个碳原子,例如甲基,乙基,丙基,异丙基,丁基,异丁基,叔丁基,戊基,己基,庚基,异辛基,壬基,癸基。制备N,N-(二)烷基氨基烷基(甲基)丙烯酰胺或N,N-(二)烷基氨基烷基(甲基)丙烯酸酯和/或其季铵盐。