申请人:KANZAKI PAPER MANUFACTURING CO., LTD
公开号:EP0155593A2
公开(公告)日:1985-09-25
Fluoran compounds of the structural formula:
wherein R1 is propyl or butyl, R2 is an alkyl of from one to four carbon atoms, R3 is methyl or ethyl, and R4 is hydrogen or methyl are particularly suitable for use in providing high quality pressure, heat or electrothermal sensitive recording sheets containing a color former in operative association with an electron-accepting substance.
结构式如下的氟化合物
其中 R1 是丙基或丁基,R2 是一至四个碳原子的烷基,R3 是甲基或乙基,R4 是氢或甲基,这些氟化合物特别适用于提供高质量的压力、热量或电热敏感记录片,该记录片含有与电子接受物质有效结合的显色剂。