申请人:Sanko Kaihatsu Kagaku Kenkyusho
公开号:EP0791578A2
公开(公告)日:1997-08-27
There is provided a developer composition including at least one of sulfonyl compounds represented by formula (1) and at least one of sulfonyl compounds represented by formula 2:
wherein X is H or lower alkyl, R1, R2, R3, R4, R5 and R6 which may be the same or different, present H, halogen or lower alkyl and Y represents alkyl, benzenesulfonyl, benzoyl et al, A thermalsensitive recording medium having the above developer is of high sensitivity, less surface-blushing with lapse of time and is excellent in storage stability of a recorded image, particularly in heat resistance, humidity resistance and anti-plasticizer.
提供了一种显影剂组合物,包括至少一种由式(1)表示的磺酰化合物和至少一种由式(2)表示的磺酰化合物:
其中 X 是 H 或低级烷基,R1、R2、R3、R4、R5 和 R6 可以相同或不同,代表 H、卤素或低级烷基,Y 代表烷基、苯磺酰基、苯甲酰基等。具有上述显影剂的热敏记录介质灵敏度高,随时间推移表面褪色少,记录图像的存储稳定性极佳,尤其是耐热性、耐湿性和抗塑化性。