A production process for a hydroxyalkyl acrylate, which comprises the step of carrying out a batch reaction between acrylic acid and an alkylene oxide in {HEAD ~ the presence} of {TAIL ~ a catalyst} in order to produce the hydroxyalkyl acrylate, wherein the batch reaction includes the steps of: 
A production process for a hydroxyalkyl acrylate , which comprises the step of carrying out a batch reaction between acrylic acid and an alkylene oxide in { HEAD ~ the presence } of { TAIL ~ a catalyst } in order to produce the hydroxyalkyl acrylate , wherein the batch reaction includes the steps of :
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