申请人:KAO CORPORATION
公开号:EP0338587A2
公开(公告)日:1989-10-25
Disclosed is a recording material employing an electron donating colorless dye and an electron accepting compound, an improvement being present in that said electron accepting compound is a compound represented by the formula;
wherein Ar represents a phenyl group, a substituted phenyl group, a benzyl group, a substituted benzyl group, a naphthyl group or a substututed naphthyl group Y represents a halogen atom, a nitrile group, a nitro group or an alkyl group having 1 to 4 carbon atoms, and m is an integer of 0 to 2.
本发明公开了一种采用电子供体无色染料和电子受体化合物的记录材料,其改进之处在于所述电子受体化合物是由式表示的化合物;
其中 Ar 代表苯基、取代苯基、苄基、取代苄基、萘基或取代萘基 Y 代表卤素原子、腈基、硝基或具有 1 至 4 个碳原子的烷基,m 为 0 至 2 的整数。