| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for highly productively manufacturing a DAM of high purity by efficiently cooling a reaction liquid thereby suppressing temperature increase in the reactor, and a manufacturing apparatus suitable for the manufacturing method. SOLUTION: The manufacturing method of the dialkylaminoalkyl (meth)acrylate quaternary salt comprises continuously feeding a dialkylaminoalkyl (meth)acrylate, a quaternalizing agent and water into a reactor while continuously drawing out the reaction liquid in the reactor, where a part of the reaction liquid is drawn out from the reactor and is cooled through a heat exchanger, and the cooled reaction liquid is fed into the reactor together with the quaternalizing agent by an ejector. COPYRIGHT: (C)2008,JPO&INPIT
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