申请人:Chemische Fabrik Stockhausen & Cie
公开号:US04281186A1
公开(公告)日:1981-07-28
The invention relates to acrylyl or methacrylyl ureas containing novel quaternary groups of the formula ##STR1## wherein X is hydrogen or a methyl group, R is a lower alkyl radical having from 1 to 4 carbon atoms, m is 0 or 1, n is an integer between 1 and 4, and Z is a salt-forming anion. The compounds are prepared from the corresponding halogen-substituted ureas by reaction with trialkylamines, preferably in a solvent. Because of their double bond, they can be polymerized to homopolymers and copolymers which are suited for use as flocculating, precipitating, dewatering and retention aids.
本发明涉及含有新型季铵基团的丙烯酰或甲基丙烯酰脲,其公式为##STR1##,其中X是氢或甲基,R是具有1至4个碳原子的低级烷基,m为0或1,n为1至4之间的整数,Z是成盐阴离子。这些化合物是通过相应的卤素取代脲与三烷基胺反应制得的,优选地在溶剂中进行。由于它们含有双键,因此可以聚合成适用于作为絮凝剂、沉淀剂、脱水和助留剂的同聚物和共聚物。