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    • 4. 发明授权
    • Thermosensitive recording material
    • 热敏记录材料
    • US4571605A
    • 1986-02-18
    • US669890
    • 1984-11-09
    • Takanori MotosugiHisashi Sakai
    • Takanori MotosugiHisashi Sakai
    • B41M5/28B41M5/30B41M5/333B41M5/337B41M5/42B41M5/22
    • B41M5/3335B41M5/3336
    • A thermosensitive recording material which comprises a support material and a thermosensitive color-forming layer formed on the support material, comprising a colorless or light-colored leuco dye and a color developer capable of inducing color formation in the leuco dye upon application of heat thereto, is disclosed, in which the color developer is 4-hydroxydimethylphthalate or a first bisphenol derivative of the formula (I) ##STR1## wherein n is an integer of 1 or 2, and there is interposed between the support material and the thermosensitive color-forming layer an undercoated layer comprising a second bisphenol derivative of the formula (II), ##STR2## wherein X represents halogen, Y represents --SO.sub.2 --or-- ##STR3## m is an integer of 1 or 2, and the substitution positions of Xm in the benzene rings are symmetrical with respect to Y.
    • 一种热敏记录材料,其包含形成在载体材料上的载体材料和热敏成色层,其包含无色或浅色无色染料和能够在加热时在无色染料中引起着色形成的显色剂, 公开了其中彩色显影剂是邻苯二甲酸4-羟基二甲酯或式(I)的第一双酚衍生物,其中n是1或2的整数,并且介于载体材料和热敏 成色层,其包含式(II)的第二双酚衍生物,其中X表示卤素,Y表示-SO 2 - 或 - 的整数为1或2的整数, 苯环中Xm的取代位置相对于Y是对称的。