申请人:Nippon Soda Co., Ltd.
公开号:US05340788A1
公开(公告)日:1994-08-23
Storing stabilizers for color image of heat sensitive recording materials, which are higher safe diphenylsulfone derivatives represented by general formula (I), and the heat sensitive recording materials using them. ##STR1## (Wherein, R.sup.1 is aralkyl or lower alkenyl which may be substituted with halogen or lower alkyl and R.sup.2 is hydrogen or methyl, but when R.sup.1 is unsubstituted benzyl, R.sub.2 is methyl).
存储热敏记录材料的彩色图像的稳定剂,其为由通式(I)表示的更高安全的二苯磺酰衍生物,并且使用它们的热敏记录材料。 ##STR1##(其中,R.sup.1是芳基烷基或可用卤素或低烷基取代的较低烯基,R.sup.2是氢或甲基,但当R.sup.1是未取代苯甲基时,R.sub.2是甲基)。