Di(meth)acrylate esters of hydroxypivalyl hydroxypivalate .epsilon.-caprolactone condensates
 Di(meth)acrylate esters of the formula: ##STR1## wherein m and n each represents O or an integer of 1 to 3, the average sum of m+n being 1 to 6 and R represents hydrogen or a methyl group, and process for producing the same. The esters are copolymerizable with other unsaturated compounds to form radiation hardenable films with a reduced irritating effect. 
Nippon Kayaku Kabushiki Kaisha
Y C
Y10S C07C
additional inventional
Tetsuo Hideaki Kazuyoshi Minoru
Hironaka Takahashi Nawata Yokoshima