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    • 1. 发明授权
    • Thermosensitive recording material
    • 热敏记录材料
    • US5043313A
    • 1991-08-27
    • US497968
    • 1990-03-23
    • Yasutomo MoriNorio KurisuToshinobu IwataMikio Goto
    • Yasutomo MoriNorio KurisuToshinobu IwataMikio Goto
    • B41M5/333
    • B41M5/3336
    • A thermosensitive recording material comprising (a) a support, and (b) a thermosensitive recording layer formed on the support, comprising a leuco dye and a color developing agent comprising a metal salt or metal complex of a compound having formula (I), which is capable of inducing color formation in the leuco dye upon application of heat thereto: ##STR1## wherein X represents a halogen, an alkyl group having 1 to 10 carbon atoms, or an alkoxyl group having 1 to 10 carbon atoms; R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 independently represent hydrogen, a halogen, a hydroxyl group, an alkyl group having 1 to 10 carbon atoms, an alkoxyl group having 1 to 10 carbon atoms, an aralkyloxyl group having 7 to 20 carbon atoms, an aryloxyl group having 6 to 20 carbon atoms, an alkylthio group having 1 to 10 carbon atoms, an aralkylthio group having 6 to 20 carbon atoms or an arylthio group having 6 to 20 carbon atoms, R.sup.1 and R.sup.2, or R.sup.2 and R.sup.3 may form together with an adjacent benzene ring a naphthalene ring, a tetrahydronaphthalene ring or an indan ring; and m is an integer of 1 to 4.
    • 一种热敏记录材料,其包含(a)载体和(b)形成在载体上的热敏记录层,其包含无色染料和包含具有式(I)的化合物的金属盐或金属络合物的显色剂,其中 (I)其中X表示卤素,具有1-10个碳原子的烷基或具有1-10个碳原子的烷氧基;(I)其中X表示卤素,具有1至10个碳原子的烷基或具有1至10个碳原子的烷氧基; R1,R2,R3,R4和R5独立地表示氢,卤素,羟基,碳原子数1〜10的烷基,碳原子数1〜10的烷氧基,碳原子数7〜20的芳烷氧基, 碳原子数6〜20的芳氧基,碳原子数1〜10的烷硫基,碳原子数6〜20的芳烷硫基,碳原子数6〜20的芳硫基,R1,R2,R2,R3可以形成 与相邻苯环一起萘环,四氢萘环或茚满环; m为1〜4的整数。