PURPOSE: To improve light resistance and to reduce surface electric resistance by forming a thermosensible recording medium by laminating in sequence a thermosensible recording layer and a protective layer containing a specified zinc-containing hydroxyperoxide decomposition stabilizer on a support.
CONSTITUTION: A protective layer containing a compound represented by the formula (R1, R2 indicate substituents selected from alkyl groups and a benzyl group) as a stabilizer is laminated on a thermosensible recording layer. Practically, an anchor layer 2, a thermosensible recording layer 3, and a protective layer 4 are laminated in sequence on a support 1 to form a thermosensible recording medium. The thermosensible layer 3 contains a basic dye, developer particles, and a binder such as a polymer binding agent which disperses them independently. The zinc-containing hydroxyperoxide decomposition stabilizer represented by the formula has good light resistance and high electric conductivity and is useful for making the thermosensible recording medium with reduced surface electric resistance.
AIZAWA HIROTAKA
YOSHIDA MASATO
Next Patent: MANUFACTURE OF THERMOSENSIBLE RECORDING MEDIUM