A thermosensitive recording sheet comprising a support and a thermosensitive color developer layer thereon containing a basic leuco dye and an organic color developer, said layer containing a bis-phenyl sulfone compound selected from bis-(3-phenyl-4-hydroxyphenyl)sulfone and bis-(2-methyl-4-hydroxy-5-cyclohexylphenyl)sulfone as the organic color developer.
一种热敏记录薄片,包括一个支架和其上的热敏显色层,热敏显色层含有碱性白兰地
染料和有机
显色剂,所述热敏显色层含有选自双-(3-苯基-
4-羟基苯基)砜和双-(2-甲基-
4-羟基-5-
环己基苯基)砜的双苯砜化合物作为有机
显色剂。