{HEAD ~ The optical disk} 2, wherein {TAIL ~ the amount} of the acryloylmorpholine is from 10 to 30 parts by weight per 100 parts by weight of the ingredient  
{ HEAD ~ The optical disk } 2 , wherein { TAIL ~ the amount } of the acryloylmorpholine is from 10 to 30 parts by weight per 100 parts by weight of the ingredient
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH