Heat-sensitive recording material

   
   

Disclosed is a heat-sensitive recording material comprising a support and a heat-sensitive recording layer formed on the support and containing a leuco dye, a developer and a binder, wherein the heat-sensitive recording material uses as the developer at least two hydroxy-diphenylsulfone compounds such as 4-hydroxy-4'-isopropoxy-diphenylsulfone, 2,4'-dihydroxy-diphenylsulfone and the like, and uses as the leuco dye a black-color-forming leuco dye such as 3-di(n-butyl)amino-6-methyl-7-anilinofluoran or the like and 0.5 to 3.5 wt. %, relative to the black-color-forming leuco dye, of a red-color-forming leuco dye such as 3-diethylamino-7-chlorofluoran or the like.

É divulgado um material heat-sensitive da gravação que compreende uma sustentação e uma camada heat-sensitive da gravação dadas forma na sustentação e que contem uma tintura do leuco, um colaborador e uma pasta, wherein os usos heat-sensitive do material da gravação como o colaborador ao menos dois compostos hydroxy-diphenylsulfone-diphenylsulfone tais como 4-hydroxy-4'-isopropoxy-diphenylsulfone, 2,4'-dihydroxy-diphenylsulfone e o gosto, e usos como o leuco tingem uma tintura preto-cor-dando forma do leuco tal como 3-di(n-butyl)amino-6-methyl-7-anilinofluoran ou o gosto e 0.5 a 3.5 wt. %, relativo à tintura preto-cor-dando forma do leuco, de uma tintura vermelho-cor-dando forma do leuco tal como 3-diethylamino-7-chlorofluoran ou o gosto.

 
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