In a thermal recording medium including a basic chromogenic dye, a developer and a sensitizer, a composition for a thermal recording medium which composition contains 50 ppm to 5.0 mass % of 1-(3-methylphenoxy)-2-(4-methylphenoxy)ethane and/or 1,2-bis(4-methylphenoxy)ethane in 1,2-bis(3-methylphenoxy)ethane is used as said sensitizer, whereby the 1,2-bis(3-methylphenoxy)ethane compound is remarkably improved in milling property in the preparation of the above sensitizer, and a thermal recording medium is provided without impairing the colorability, etc., such as thermal colorability.
在包括基本显色
染料,显影剂和增感剂的热记录介质中,一种用于热记录介质的组合物,其中该组合物含有50 ppm至5.0质量%的1-(3-甲基苯氧基)-2-(4-甲基苯氧基)
乙烷和/或1,2-双(4-甲基苯氧基)
乙烷在1,2-双(3-甲基苯氧基)
乙烷中用作所述增感剂,从而在制备上述增感剂时显着改善了1,2-双(3-甲基苯氧基)
乙烷化合物的研磨性能,并提供了一种热记录介质,而不会损害颜色性等,例如热色性。