{TAIL ~ The polymerizable ink composition} 9, wherein {HEAD ~ the aromatic tertiary amine compound} is at least one of p dimethyl amino ethyl benzoate, p dimethyl amino benzoate 2 ethyl hexyl, p dimethyl amino methyl benzoate, benzoic acid 2 dimethyl amino ethyl, and p dimethyl amino buthoxy ethyl benzoate 
{ TAIL ~ The polymerizable ink composition } 9 , wherein { HEAD ~ the aromatic tertiary amine compound } is at least one of p dimethyl amino ethyl benzoate , p dimethyl amino benzoate 2 ethyl hexyl , p dimethyl amino methyl benzoate , benzoic acid 2 dimethyl amino ethyl , and p dimethyl amino buthoxy ethyl benzoate
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH