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热词
    • 8. 发明授权
    • Thermal recording sheet
    • 热敏记录纸
    • US5322831A
    • 1994-06-21
    • US22261
    • 1993-02-25
    • Toshiaki MinamiToshio Kaneko
    • Toshiaki MinamiToshio Kaneko
    • B41M5/337B41M5/30
    • B41M5/3375
    • A thermal recording sheet having a thermal color developing layer containing a color developer and a colorless or pale colored basic chromogenic dye, which further contains a stabilizer of Formula (I) and a sensitizer of Formula (II) or Formula (III), thereby obtaining a high sensitivity and improved image stability: ##STR1## wherein A indicates ##STR2## R.sup.1 and R.sup.2 individually indicate hydrogen or methyl; .alpha. is 0 or an integer from 1 to 5; .beta. and .gamma. individually indicate an integer from 1 to 5; B indicates ##STR3## C and D individually indicate chlorine, bromine, methyl, methoxy, or ethoxy; and m and n individually indicate 0, 1, or 2; ##STR4##
    • 一种热敏记录片材,其具有含有着色显影剂和无色或浅色基础显色染料的热显色层,其还含有式(I)的稳定剂和式(II)或式(III)的敏化剂,从而获得 (I)其中A表示“IMAGE”或“IMAGE”,R1和R2分别表示氢或甲基; α为0或1至5的整数; β和γ分别表示1至5的整数; B表示 C和D分别表示氯,溴,甲基,甲氧基或乙氧基; 而m和n分别表示0,1或2; (II)式(III)式(III)